diff options
Diffstat (limited to 'toolkit/mozapps/extensions/internal/XPIProvider.jsm')
| -rw-r--r-- | toolkit/mozapps/extensions/internal/XPIProvider.jsm | 7875 |
1 files changed, 7875 insertions, 0 deletions
diff --git a/toolkit/mozapps/extensions/internal/XPIProvider.jsm b/toolkit/mozapps/extensions/internal/XPIProvider.jsm new file mode 100644 index 000000000..975448fcc --- /dev/null +++ b/toolkit/mozapps/extensions/internal/XPIProvider.jsm @@ -0,0 +1,7875 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +const Cc = Components.classes; +const Ci = Components.interfaces; +const Cr = Components.results; +const Cu = Components.utils; + +this.EXPORTED_SYMBOLS = ["XPIProvider"]; + +Components.utils.import("resource://gre/modules/Services.jsm"); +Components.utils.import("resource://gre/modules/XPCOMUtils.jsm"); +Components.utils.import("resource://gre/modules/AddonManager.jsm"); +Components.utils.import("resource://gre/modules/Preferences.jsm"); + +XPCOMUtils.defineLazyModuleGetter(this, "AddonRepository", + "resource://gre/modules/addons/AddonRepository.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "ChromeManifestParser", + "resource://gre/modules/ChromeManifestParser.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "LightweightThemeManager", + "resource://gre/modules/LightweightThemeManager.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "FileUtils", + "resource://gre/modules/FileUtils.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "ZipUtils", + "resource://gre/modules/ZipUtils.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "NetUtil", + "resource://gre/modules/NetUtil.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "PermissionsUtils", + "resource://gre/modules/PermissionsUtils.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "Promise", + "resource://gre/modules/Promise.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "Task", + "resource://gre/modules/Task.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "OS", + "resource://gre/modules/osfile.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "BrowserToolboxProcess", + "resource://gre/modules/devtools/ToolboxProcess.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "ConsoleAPI", + "resource://gre/modules/devtools/Console.jsm"); + +XPCOMUtils.defineLazyServiceGetter(this, "Blocklist", + "@mozilla.org/extensions/blocklist;1", + Ci.nsIBlocklistService); +XPCOMUtils.defineLazyServiceGetter(this, + "ChromeRegistry", + "@mozilla.org/chrome/chrome-registry;1", + "nsIChromeRegistry"); +XPCOMUtils.defineLazyServiceGetter(this, + "ResProtocolHandler", + "@mozilla.org/network/protocol;1?name=resource", + "nsIResProtocolHandler"); + +const nsIFile = Components.Constructor("@mozilla.org/file/local;1", "nsIFile", + "initWithPath"); + +const PREF_DB_SCHEMA = "extensions.databaseSchema"; +const PREF_INSTALL_CACHE = "extensions.installCache"; +const PREF_XPI_STATE = "extensions.xpiState"; +const PREF_BOOTSTRAP_ADDONS = "extensions.bootstrappedAddons"; +const PREF_PENDING_OPERATIONS = "extensions.pendingOperations"; +const PREF_MATCH_OS_LOCALE = "intl.locale.matchOS"; +const PREF_SELECTED_LOCALE = "general.useragent.locale"; +const PREF_EM_DSS_ENABLED = "extensions.dss.enabled"; +const PREF_DSS_SWITCHPENDING = "extensions.dss.switchPending"; +const PREF_DSS_SKIN_TO_SELECT = "extensions.lastSelectedSkin"; +const PREF_GENERAL_SKINS_SELECTEDSKIN = "general.skins.selectedSkin"; +const PREF_EM_UPDATE_URL = "extensions.update.url"; +const PREF_EM_UPDATE_BACKGROUND_URL = "extensions.update.background.url"; +const PREF_EM_ENABLED_ADDONS = "extensions.enabledAddons"; +const PREF_EM_EXTENSION_FORMAT = "extensions."; +const PREF_EM_ENABLED_SCOPES = "extensions.enabledScopes"; +const PREF_EM_AUTO_DISABLED_SCOPES = "extensions.autoDisableScopes"; +const PREF_EM_SHOW_MISMATCH_UI = "extensions.showMismatchUI"; +const PREF_XPI_ENABLED = "xpinstall.enabled"; +const PREF_XPI_WHITELIST_REQUIRED = "xpinstall.whitelist.required"; +const PREF_XPI_DIRECT_WHITELISTED = "xpinstall.whitelist.directRequest"; +const PREF_XPI_FILE_WHITELISTED = "xpinstall.whitelist.fileRequest"; +const PREF_XPI_PERMISSIONS_BRANCH = "xpinstall."; +const PREF_XPI_UNPACK = "extensions.alwaysUnpack"; +const PREF_INSTALL_REQUIREBUILTINCERTS = "extensions.install.requireBuiltInCerts"; +const PREF_INSTALL_REQUIRESECUREORIGIN = "extensions.install.requireSecureOrigin"; +const PREF_INSTALL_DISTRO_ADDONS = "extensions.installDistroAddons"; +const PREF_BRANCH_INSTALLED_ADDON = "extensions.installedDistroAddon."; +const PREF_SHOWN_SELECTION_UI = "extensions.shownSelectionUI"; +const PREF_INTERPOSITION_ENABLED = "extensions.interposition.enabled"; + +const PREF_EM_MIN_COMPAT_APP_VERSION = "extensions.minCompatibleAppVersion"; +const PREF_EM_MIN_COMPAT_PLATFORM_VERSION = "extensions.minCompatiblePlatformVersion"; + +const PREF_CHECKCOMAT_THEMEOVERRIDE = "extensions.checkCompatibility.temporaryThemeOverride_minAppVersion"; + +const URI_EXTENSION_SELECT_DIALOG = "chrome://mozapps/content/extensions/selectAddons.xul"; +const URI_EXTENSION_UPDATE_DIALOG = "chrome://mozapps/content/extensions/update.xul"; +const URI_EXTENSION_STRINGS = "chrome://mozapps/locale/extensions/extensions.properties"; + +const STRING_TYPE_NAME = "type.%ID%.name"; + +const DIR_EXTENSIONS = "extensions"; +const DIR_STAGE = "staged"; +const DIR_XPI_STAGE = "staged-xpis"; +const DIR_TRASH = "trash"; + +const FILE_DATABASE = "extensions.json"; +const FILE_OLD_CACHE = "extensions.cache"; +const FILE_INSTALL_MANIFEST = "install.rdf"; +const FILE_WEBEXT_MANIFEST = "manifest.json"; +const FILE_XPI_ADDONS_LIST = "extensions.ini"; + +const KEY_PROFILEDIR = "ProfD"; +const KEY_APPDIR = "XCurProcD"; +const KEY_TEMPDIR = "TmpD"; +const KEY_APP_DISTRIBUTION = "XREAppDist"; + +const KEY_APP_PROFILE = "app-profile"; +const KEY_APP_GLOBAL = "app-global"; +const KEY_APP_SYSTEM_LOCAL = "app-system-local"; +const KEY_APP_SYSTEM_SHARE = "app-system-share"; +const KEY_APP_SYSTEM_USER = "app-system-user"; + +const NOTIFICATION_FLUSH_PERMISSIONS = "flush-pending-permissions"; +const XPI_PERMISSION = "install"; + +const RDFURI_INSTALL_MANIFEST_ROOT = "urn:mozilla:install-manifest"; +const PREFIX_NS_EM = "http://www.mozilla.org/2004/em-rdf#"; + +const TOOLKIT_ID = "toolkit@mozilla.org"; +#ifdef MOZ_PHOENIX_EXTENSIONS +const FIREFOX_ID = "{ec8030f7-c20a-464f-9b0e-13a3a9e97384}" +const FIREFOX_APPCOMPATVERSION = "27.9" +#endif + +// The value for this is in Makefile.in +#expand const DB_SCHEMA = __MOZ_EXTENSIONS_DB_SCHEMA__; +const NOTIFICATION_TOOLBOXPROCESS_LOADED = "ToolboxProcessLoaded"; + +// Properties that exist in the install manifest +const PROP_METADATA = ["id", "version", "type", "internalName", "updateURL", + "updateKey", "optionsURL", "optionsType", "aboutURL", + "iconURL", "icon64URL"]; +const PROP_LOCALE_SINGLE = ["name", "description", "creator", "homepageURL"]; +const PROP_LOCALE_MULTI = ["developers", "translators", "contributors"]; +const PROP_TARGETAPP = ["id", "minVersion", "maxVersion"]; + +// Properties that should be migrated where possible from an old database. These +// shouldn't include properties that can be read directly from install.rdf files +// or calculated +const DB_MIGRATE_METADATA= ["installDate", "userDisabled", "softDisabled", + "sourceURI", "applyBackgroundUpdates", + "releaseNotesURI", "foreignInstall", "syncGUID"]; +// Properties to cache and reload when an addon installation is pending +const PENDING_INSTALL_METADATA = + ["syncGUID", "targetApplications", "userDisabled", "softDisabled", + "existingAddonID", "sourceURI", "releaseNotesURI", "installDate", + "updateDate", "applyBackgroundUpdates", "compatibilityOverrides"]; + +// Note: When adding/changing/removing items here, remember to change the +// DB schema version to ensure changes are picked up ASAP. +const STATIC_BLOCKLIST_PATTERNS = [ + { creator: "Mozilla Corp.", + level: Blocklist.STATE_BLOCKED, + blockID: "i162" }, + { creator: "Mozilla.org", + level: Blocklist.STATE_BLOCKED, + blockID: "i162" } +]; + + +const BOOTSTRAP_REASONS = { + APP_STARTUP : 1, + APP_SHUTDOWN : 2, + ADDON_ENABLE : 3, + ADDON_DISABLE : 4, + ADDON_INSTALL : 5, + ADDON_UNINSTALL : 6, + ADDON_UPGRADE : 7, + ADDON_DOWNGRADE : 8 +}; + +// Map new string type identifiers to old style nsIUpdateItem types +const TYPES = { + extension: 2, + theme: 4, + locale: 8, + multipackage: 32, + dictionary: 64, + experiment: 128, +}; + +const RESTARTLESS_TYPES = new Set([ + "dictionary", + "experiment", + "locale", +]); + +// Keep track of where we are in startup for telemetry +// event happened during XPIDatabase.startup() +const XPI_STARTING = "XPIStarting"; +// event happened after startup() but before the final-ui-startup event +const XPI_BEFORE_UI_STARTUP = "BeforeFinalUIStartup"; +// event happened after final-ui-startup +const XPI_AFTER_UI_STARTUP = "AfterFinalUIStartup"; + +const COMPATIBLE_BY_DEFAULT_TYPES = { + extension: true, + dictionary: true +}; + +const MSG_JAR_FLUSH = "AddonJarFlush"; + +var gGlobalScope = this; + +/** + * Valid IDs fit this pattern. + */ +var gIDTest = /^(\{[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\}|[a-z0-9-\._]*\@[a-z0-9-\._]+)$/i; + +Cu.import("resource://gre/modules/Log.jsm"); +const LOGGER_ID = "addons.xpi"; + +// Create a new logger for use by all objects in this Addons XPI Provider module +// (Requires AddonManager.jsm) +let logger = Log.repository.getLogger(LOGGER_ID); + +const LAZY_OBJECTS = ["XPIDatabase"]; + +var gLazyObjectsLoaded = false; + +function loadLazyObjects() { + let scope = {}; + scope.AddonInternal = AddonInternal; + scope.XPIProvider = XPIProvider; + scope.XPIStates = XPIStates; + Services.scriptloader.loadSubScript("resource://gre/modules/addons/XPIProviderUtils.js", + scope); + + for (let name of LAZY_OBJECTS) { + delete gGlobalScope[name]; + gGlobalScope[name] = scope[name]; + } + gLazyObjectsLoaded = true; + return scope; +} + +for (let name of LAZY_OBJECTS) { + Object.defineProperty(gGlobalScope, name, { + get: function lazyObjectGetter() { + let objs = loadLazyObjects(); + return objs[name]; + }, + configurable: true + }); +} + + +function findMatchingStaticBlocklistItem(aAddon) { + for (let item of STATIC_BLOCKLIST_PATTERNS) { + if ("creator" in item && typeof item.creator == "string") { + if ((aAddon.defaultLocale && aAddon.defaultLocale.creator == item.creator) || + (aAddon.selectedLocale && aAddon.selectedLocale.creator == item.creator)) { + return item; + } + } + } + return null; +} + + +/** + * Sets permissions on a file + * + * @param aFile + * The file or directory to operate on. + * @param aPermissions + * The permisions to set + */ +function setFilePermissions(aFile, aPermissions) { + try { + aFile.permissions = aPermissions; + } + catch (e) { + logger.warn("Failed to set permissions " + aPermissions.toString(8) + " on " + + aFile.path, e); + } +} + +/** + * A safe way to install a file or the contents of a directory to a new + * directory. The file or directory is moved or copied recursively and if + * anything fails an attempt is made to rollback the entire operation. The + * operation may also be rolled back to its original state after it has + * completed by calling the rollback method. + * + * Operations can be chained. Calling move or copy multiple times will remember + * the whole set and if one fails all of the operations will be rolled back. + */ +function SafeInstallOperation() { + this._installedFiles = []; + this._createdDirs = []; +} + +SafeInstallOperation.prototype = { + _installedFiles: null, + _createdDirs: null, + + _installFile: function SIO_installFile(aFile, aTargetDirectory, aCopy) { + let oldFile = aCopy ? null : aFile.clone(); + let newFile = aFile.clone(); + try { + if (aCopy) + newFile.copyTo(aTargetDirectory, null); + else + newFile.moveTo(aTargetDirectory, null); + } + catch (e) { + logger.error("Failed to " + (aCopy ? "copy" : "move") + " file " + aFile.path + + " to " + aTargetDirectory.path, e); + throw e; + } + this._installedFiles.push({ oldFile: oldFile, newFile: newFile }); + }, + + _installDirectory: function SIO_installDirectory(aDirectory, aTargetDirectory, aCopy) { + let newDir = aTargetDirectory.clone(); + newDir.append(aDirectory.leafName); + try { + newDir.create(Ci.nsIFile.DIRECTORY_TYPE, FileUtils.PERMS_DIRECTORY); + } + catch (e) { + logger.error("Failed to create directory " + newDir.path, e); + throw e; + } + this._createdDirs.push(newDir); + + // Use a snapshot of the directory contents to avoid possible issues with + // iterating over a directory while removing files from it (the YAFFS2 + // embedded filesystem has this issue, see bug 772238), and to remove + // normal files before their resource forks on OSX (see bug 733436). + let entries = getDirectoryEntries(aDirectory, true); + entries.forEach(function(aEntry) { + try { + this._installDirEntry(aEntry, newDir, aCopy); + } + catch (e) { + logger.error("Failed to " + (aCopy ? "copy" : "move") + " entry " + + aEntry.path, e); + throw e; + } + }, this); + + // If this is only a copy operation then there is nothing else to do + if (aCopy) + return; + + // The directory should be empty by this point. If it isn't this will throw + // and all of the operations will be rolled back + try { + setFilePermissions(aDirectory, FileUtils.PERMS_DIRECTORY); + aDirectory.remove(false); + } + catch (e) { + logger.error("Failed to remove directory " + aDirectory.path, e); + throw e; + } + + // Note we put the directory move in after all the file moves so the + // directory is recreated before all the files are moved back + this._installedFiles.push({ oldFile: aDirectory, newFile: newDir }); + }, + + _installDirEntry: function SIO_installDirEntry(aDirEntry, aTargetDirectory, aCopy) { + let isDir = null; + + try { + isDir = aDirEntry.isDirectory(); + } + catch (e) { + // If the file has already gone away then don't worry about it, this can + // happen on OSX where the resource fork is automatically moved with the + // data fork for the file. See bug 733436. + if (e.result == Cr.NS_ERROR_FILE_TARGET_DOES_NOT_EXIST) + return; + + logger.error("Failure " + (aCopy ? "copying" : "moving") + " " + aDirEntry.path + + " to " + aTargetDirectory.path); + throw e; + } + + try { + if (isDir) + this._installDirectory(aDirEntry, aTargetDirectory, aCopy); + else + this._installFile(aDirEntry, aTargetDirectory, aCopy); + } + catch (e) { + logger.error("Failure " + (aCopy ? "copying" : "moving") + " " + aDirEntry.path + + " to " + aTargetDirectory.path); + throw e; + } + }, + + /** + * Moves a file or directory into a new directory. If an error occurs then all + * files that have been moved will be moved back to their original location. + * + * @param aFile + * The file or directory to be moved. + * @param aTargetDirectory + * The directory to move into, this is expected to be an empty + * directory. + */ + moveUnder: function SIO_move(aFile, aTargetDirectory) { + try { + this._installDirEntry(aFile, aTargetDirectory, false); + } + catch (e) { + this.rollback(); + throw e; + } + }, + + /** + * Renames a file to a new location. If an error occurs then all + * files that have been moved will be moved back to their original location. + * + * @param aOldLocation + * The old location of the file. + * @param aNewLocation + * The new location of the file. + */ + moveTo: function(aOldLocation, aNewLocation) { + try { + let oldFile = aOldLocation.clone(), newFile = aNewLocation.clone(); + oldFile.moveTo(newFile.parent, newFile.leafName); + this._installedFiles.push({ oldFile: oldFile, newFile: newFile, isMoveTo: true}); + } + catch(e) { + this.rollback(); + throw e; + } + }, + + /** + * Copies a file or directory into a new directory. If an error occurs then + * all new files that have been created will be removed. + * + * @param aFile + * The file or directory to be copied. + * @param aTargetDirectory + * The directory to copy into, this is expected to be an empty + * directory. + */ + copy: function SIO_copy(aFile, aTargetDirectory) { + try { + this._installDirEntry(aFile, aTargetDirectory, true); + } + catch (e) { + this.rollback(); + throw e; + } + }, + + /** + * Rolls back all the moves that this operation performed. If an exception + * occurs here then both old and new directories are left in an indeterminate + * state + */ + rollback: function SIO_rollback() { + while (this._installedFiles.length > 0) { + let move = this._installedFiles.pop(); + if (move.isMoveTo) { + move.newFile.moveTo(oldDir.parent, oldDir.leafName); + } + else if (move.newFile.isDirectory()) { + let oldDir = move.oldFile.parent.clone(); + oldDir.append(move.oldFile.leafName); + oldDir.create(Ci.nsIFile.DIRECTORY_TYPE, FileUtils.PERMS_DIRECTORY); + } + else if (!move.oldFile) { + // No old file means this was a copied file + move.newFile.remove(true); + } + else { + move.newFile.moveTo(move.oldFile.parent, null); + } + } + + while (this._createdDirs.length > 0) + recursiveRemove(this._createdDirs.pop()); + } +}; + +/** + * Gets the currently selected locale for display. + * @return the selected locale or "en-US" if none is selected + */ +function getLocale() { + if (Preferences.get(PREF_MATCH_OS_LOCALE, false)) + return Services.locale.getLocaleComponentForUserAgent(); + try { + let locale = Preferences.get(PREF_SELECTED_LOCALE, null, Ci.nsIPrefLocalizedString); + if (locale) + return locale; + } + catch (e) {} + return Preferences.get(PREF_SELECTED_LOCALE, "en-US"); +} + +/** + * Selects the closest matching locale from a list of locales. + * + * @param aLocales + * An array of locales + * @return the best match for the currently selected locale + */ +function findClosestLocale(aLocales) { + let appLocale = getLocale(); + + // Holds the best matching localized resource + var bestmatch = null; + // The number of locale parts it matched with + var bestmatchcount = 0; + // The number of locale parts in the match + var bestpartcount = 0; + + var matchLocales = [appLocale.toLowerCase()]; + /* If the current locale is English then it will find a match if there is + a valid match for en-US so no point searching that locale too. */ + if (matchLocales[0].substring(0, 3) != "en-") + matchLocales.push("en-us"); + + for each (var locale in matchLocales) { + var lparts = locale.split("-"); + for each (var localized in aLocales) { + for each (let found in localized.locales) { + found = found.toLowerCase(); + // Exact match is returned immediately + if (locale == found) + return localized; + + var fparts = found.split("-"); + /* If we have found a possible match and this one isn't any longer + then we dont need to check further. */ + if (bestmatch && fparts.length < bestmatchcount) + continue; + + // Count the number of parts that match + var maxmatchcount = Math.min(fparts.length, lparts.length); + var matchcount = 0; + while (matchcount < maxmatchcount && + fparts[matchcount] == lparts[matchcount]) + matchcount++; + + /* If we matched more than the last best match or matched the same and + this locale is less specific than the last best match. */ + if (matchcount > bestmatchcount || + (matchcount == bestmatchcount && fparts.length < bestpartcount)) { + bestmatch = localized; + bestmatchcount = matchcount; + bestpartcount = fparts.length; + } + } + } + // If we found a valid match for this locale return it + if (bestmatch) + return bestmatch; + } + return null; +} + +/** + * Sets the userDisabled and softDisabled properties of an add-on based on what + * values those properties had for a previous instance of the add-on. The + * previous instance may be a previous install or in the case of an application + * version change the same add-on. + * + * NOTE: this may modify aNewAddon in place; callers should save the database if + * necessary + * + * @param aOldAddon + * The previous instance of the add-on + * @param aNewAddon + * The new instance of the add-on + * @param aAppVersion + * The optional application version to use when checking the blocklist + * or undefined to use the current application + * @param aPlatformVersion + * The optional platform version to use when checking the blocklist or + * undefined to use the current platform + */ +function applyBlocklistChanges(aOldAddon, aNewAddon, aOldAppVersion, + aOldPlatformVersion) { + // Copy the properties by default + aNewAddon.userDisabled = aOldAddon.userDisabled; + aNewAddon.softDisabled = aOldAddon.softDisabled; + + let oldBlocklistState = Blocklist.getAddonBlocklistState(createWrapper(aOldAddon), + aOldAppVersion, + aOldPlatformVersion); + let newBlocklistState = Blocklist.getAddonBlocklistState(createWrapper(aNewAddon)); + + // If the blocklist state hasn't changed then the properties don't need to + // change + if (newBlocklistState == oldBlocklistState) + return; + + if (newBlocklistState == Blocklist.STATE_SOFTBLOCKED) { + if (aNewAddon.type != "theme") { + // The add-on has become softblocked, set softDisabled if it isn't already + // userDisabled + aNewAddon.softDisabled = !aNewAddon.userDisabled; + } + else { + // Themes just get userDisabled to switch back to the default theme + aNewAddon.userDisabled = true; + } + } + else { + // If the new add-on is not softblocked then it cannot be softDisabled + aNewAddon.softDisabled = false; + } +} + +/** + * Calculates whether an add-on should be appDisabled or not. + * + * @param aAddon + * The add-on to check + * @return true if the add-on should not be appDisabled + */ +function isUsableAddon(aAddon) { + // Hack to ensure the default theme is always usable + if (aAddon.type == "theme" && aAddon.internalName == XPIProvider.defaultSkin) + return true; + + if (aAddon.jetsdk) + return false; + + if (aAddon.blocklistState == Blocklist.STATE_BLOCKED) + return false; + + if (AddonManager.checkUpdateSecurity && !aAddon.providesUpdatesSecurely) + return false; + + if (!aAddon.isPlatformCompatible) + return false; + + if (AddonManager.checkCompatibility) { + if (!aAddon.isCompatible) + return false; + } + else { + let app = aAddon.matchingTargetApplication; + if (!app) + return false; + + // XXX Temporary solution to let applications opt-in to make themes safer + // following significant UI changes even if checkCompatibility=false has + // been set, until we get bug 962001. + if (aAddon.type == "theme" && app.id == Services.appinfo.ID) { + try { + let minCompatVersion = Services.prefs.getCharPref(PREF_CHECKCOMAT_THEMEOVERRIDE); + if (minCompatVersion && + Services.vc.compare(minCompatVersion, app.maxVersion) > 0) { + return false; + } + } catch (e) {} + } + } + + return true; +} + +XPCOMUtils.defineLazyServiceGetter(this, "gRDF", "@mozilla.org/rdf/rdf-service;1", + Ci.nsIRDFService); + +function EM_R(aProperty) { + return gRDF.GetResource(PREFIX_NS_EM + aProperty); +} + +function createAddonDetails(id, aAddon) { + return { + id: id || aAddon.id, + type: aAddon.type, + version: aAddon.version + }; +} + +/** + * Converts an RDF literal, resource or integer into a string. + * + * @param aLiteral + * The RDF object to convert + * @return a string if the object could be converted or null + */ +function getRDFValue(aLiteral) { + if (aLiteral instanceof Ci.nsIRDFLiteral) + return aLiteral.Value; + if (aLiteral instanceof Ci.nsIRDFResource) + return aLiteral.Value; + if (aLiteral instanceof Ci.nsIRDFInt) + return aLiteral.Value; + return null; +} + +/** + * Gets an RDF property as a string + * + * @param aDs + * The RDF datasource to read the property from + * @param aResource + * The RDF resource to read the property from + * @param aProperty + * The property to read + * @return a string if the property existed or null + */ +function getRDFProperty(aDs, aResource, aProperty) { + return getRDFValue(aDs.GetTarget(aResource, EM_R(aProperty), true)); +} + +/** + * Reads an AddonInternal object from an RDF stream. + * + * @param aUri + * The URI that the manifest is being read from + * @param aStream + * An open stream to read the RDF from + * @return an AddonInternal object + * @throws if the install manifest in the RDF stream is corrupt or could not + * be read + */ +function loadManifestFromRDF(aUri, aStream) { + function getPropertyArray(aDs, aSource, aProperty) { + let values = []; + let targets = aDs.GetTargets(aSource, EM_R(aProperty), true); + while (targets.hasMoreElements()) + values.push(getRDFValue(targets.getNext())); + + return values; + } + + /** + * Reads locale properties from either the main install manifest root or + * an em:localized section in the install manifest. + * + * @param aDs + * The nsIRDFDatasource to read from + * @param aSource + * The nsIRDFResource to read the properties from + * @param isDefault + * True if the locale is to be read from the main install manifest + * root + * @param aSeenLocales + * An array of locale names already seen for this install manifest. + * Any locale names seen as a part of this function will be added to + * this array + * @return an object containing the locale properties + */ + function readLocale(aDs, aSource, isDefault, aSeenLocales) { + let locale = { }; + if (!isDefault) { + locale.locales = []; + let targets = ds.GetTargets(aSource, EM_R("locale"), true); + while (targets.hasMoreElements()) { + let localeName = getRDFValue(targets.getNext()); + if (!localeName) { + logger.warn("Ignoring empty locale in localized properties"); + continue; + } + if (aSeenLocales.indexOf(localeName) != -1) { + logger.warn("Ignoring duplicate locale in localized properties"); + continue; + } + aSeenLocales.push(localeName); + locale.locales.push(localeName); + } + + if (locale.locales.length == 0) { + logger.warn("Ignoring localized properties with no listed locales"); + return null; + } + } + + PROP_LOCALE_SINGLE.forEach(function(aProp) { + locale[aProp] = getRDFProperty(aDs, aSource, aProp); + }); + + PROP_LOCALE_MULTI.forEach(function(aProp) { + // Don't store empty arrays + let props = getPropertyArray(aDs, aSource, + aProp.substring(0, aProp.length - 1)); + if (props.length > 0) + locale[aProp] = props; + }); + + return locale; + } + + let rdfParser = Cc["@mozilla.org/rdf/xml-parser;1"]. + createInstance(Ci.nsIRDFXMLParser) + let ds = Cc["@mozilla.org/rdf/datasource;1?name=in-memory-datasource"]. + createInstance(Ci.nsIRDFDataSource); + let listener = rdfParser.parseAsync(ds, aUri); + let channel = Cc["@mozilla.org/network/input-stream-channel;1"]. + createInstance(Ci.nsIInputStreamChannel); + channel.setURI(aUri); + channel.contentStream = aStream; + channel.QueryInterface(Ci.nsIChannel); + channel.contentType = "text/xml"; + + listener.onStartRequest(channel, null); + + try { + let pos = 0; + let count = aStream.available(); + while (count > 0) { + listener.onDataAvailable(channel, null, aStream, pos, count); + pos += count; + count = aStream.available(); + } + listener.onStopRequest(channel, null, Components.results.NS_OK); + } + catch (e) { + listener.onStopRequest(channel, null, e.result); + throw e; + } + + let root = gRDF.GetResource(RDFURI_INSTALL_MANIFEST_ROOT); + let addon = new AddonInternal(); + PROP_METADATA.forEach(function(aProp) { + addon[aProp] = getRDFProperty(ds, root, aProp); + }); + addon.unpack = getRDFProperty(ds, root, "unpack") == "true"; + + if (!addon.type) { + addon.type = addon.internalName ? "theme" : "extension"; + } + else { + let type = addon.type; + addon.type = null; + for (let name in TYPES) { + if (TYPES[name] == type) { + addon.type = name; + break; + } + } + } + + if (!(addon.type in TYPES)) + throw new Error("Install manifest specifies unknown type: " + addon.type); + + if (addon.type != "multipackage") { + if (!addon.id) + throw new Error("No ID in install manifest"); + if (!gIDTest.test(addon.id)) + throw new Error("Illegal add-on ID " + addon.id); + if (!addon.version) + throw new Error("No version in install manifest"); + } + + addon.strictCompatibility = !(addon.type in COMPATIBLE_BY_DEFAULT_TYPES) || + getRDFProperty(ds, root, "strictCompatibility") == "true"; + + // Only read these properties for extensions. + if (addon.type == "extension") { + addon.bootstrap = getRDFProperty(ds, root, "bootstrap") == "true"; + addon.multiprocessCompatible = getRDFProperty(ds, root, "multiprocessCompatible") == "true"; + if (addon.optionsType && + addon.optionsType != AddonManager.OPTIONS_TYPE_DIALOG && + addon.optionsType != AddonManager.OPTIONS_TYPE_INLINE && + addon.optionsType != AddonManager.OPTIONS_TYPE_TAB && + addon.optionsType != AddonManager.OPTIONS_TYPE_INLINE_INFO) { + throw new Error("Install manifest specifies unknown type: " + addon.optionsType); + } + } + else { + // Some add-on types are always restartless. + if (RESTARTLESS_TYPES.has(addon.type)) { + addon.bootstrap = true; + } + + // Only extensions are allowed to provide an optionsURL, optionsType or aboutURL. For + // all other types they are silently ignored + addon.optionsURL = null; + addon.optionsType = null; + addon.aboutURL = null; + + if (addon.type == "theme") { + if (!addon.internalName) + throw new Error("Themes must include an internalName property"); + addon.skinnable = getRDFProperty(ds, root, "skinnable") == "true"; + } + } + + addon.defaultLocale = readLocale(ds, root, true); + + let seenLocales = []; + addon.locales = []; + let targets = ds.GetTargets(root, EM_R("localized"), true); + while (targets.hasMoreElements()) { + let target = targets.getNext().QueryInterface(Ci.nsIRDFResource); + let locale = readLocale(ds, target, false, seenLocales); + if (locale) + addon.locales.push(locale); + } + + let seenApplications = []; + addon.targetApplications = []; + targets = ds.GetTargets(root, EM_R("targetApplication"), true); + while (targets.hasMoreElements()) { + let target = targets.getNext().QueryInterface(Ci.nsIRDFResource); + let targetAppInfo = {}; + PROP_TARGETAPP.forEach(function(aProp) { + targetAppInfo[aProp] = getRDFProperty(ds, target, aProp); + }); + if (!targetAppInfo.id || !targetAppInfo.minVersion || + !targetAppInfo.maxVersion) { + logger.warn("Ignoring invalid targetApplication entry in install manifest"); + continue; + } + if (seenApplications.indexOf(targetAppInfo.id) != -1) { + logger.warn("Ignoring duplicate targetApplication entry for " + targetAppInfo.id + + " in install manifest"); + continue; + } + seenApplications.push(targetAppInfo.id); + addon.targetApplications.push(targetAppInfo); + } + + // Note that we don't need to check for duplicate targetPlatform entries since + // the RDF service coalesces them for us. + let targetPlatforms = getPropertyArray(ds, root, "targetPlatform"); + addon.targetPlatforms = []; + targetPlatforms.forEach(function(aPlatform) { + let platform = { + os: null, + abi: null + }; + + let pos = aPlatform.indexOf("_"); + if (pos != -1) { + platform.os = aPlatform.substring(0, pos); + platform.abi = aPlatform.substring(pos + 1); + } + else { + platform.os = aPlatform; + } + + addon.targetPlatforms.push(platform); + }); + + // A theme's userDisabled value is true if the theme is not the selected skin + // or if there is an active lightweight theme. We ignore whether softblocking + // is in effect since it would change the active theme. + if (addon.type == "theme") { + addon.userDisabled = !!LightweightThemeManager.currentTheme || + addon.internalName != XPIProvider.selectedSkin; + } + // Experiments are disabled by default. It is up to the Experiments Manager + // to enable them (it drives installation). + else if (addon.type == "experiment") { + addon.userDisabled = true; + } + else { + addon.userDisabled = false; + addon.softDisabled = addon.blocklistState == Blocklist.STATE_SOFTBLOCKED; + } + + addon.applyBackgroundUpdates = AddonManager.AUTOUPDATE_DEFAULT; + + // Experiments are managed and updated through an external "experiments + // manager." So disable some built-in mechanisms. + if (addon.type == "experiment") { + addon.applyBackgroundUpdates = AddonManager.AUTOUPDATE_DISABLE; + addon.updateURL = null; + addon.updateKey = null; + + addon.targetApplications = []; + addon.targetPlatforms = []; + } + + // Load the storage service before NSS (nsIRandomGenerator), + // to avoid a SQLite initialization error (bug 717904). + let storage = Services.storage; + + // Generate random GUID used for Sync. + // This was lifted from util.js:makeGUID() from services-sync. + let guid = Cc["@mozilla.org/uuid-generator;1"] + .getService(Ci.nsIUUIDGenerator) + .generateUUID().toString(); + addon.syncGUID = guid; + + return addon; +} + +/** + * Loads an AddonInternal object from an add-on extracted in a directory. + * + * @param aDir + * The nsIFile directory holding the add-on + * @return an AddonInternal object + * @throws if the directory does not contain a valid install manifest + */ +function loadManifestFromDir(aDir) { + function getFileSize(aFile) { + if (aFile.isSymlink()) + return 0; + + if (!aFile.isDirectory()) + return aFile.fileSize; + + let size = 0; + let entries = aFile.directoryEntries.QueryInterface(Ci.nsIDirectoryEnumerator); + let entry; + while ((entry = entries.nextFile)) + size += getFileSize(entry); + entries.close(); + return size; + } + + let file = aDir.clone(); + file.append(FILE_INSTALL_MANIFEST); + if (!file.exists() || !file.isFile()) + throw new Error("Directory " + aDir.path + " does not contain a valid " + + "install manifest"); + + let fis = Cc["@mozilla.org/network/file-input-stream;1"]. + createInstance(Ci.nsIFileInputStream); + fis.init(file, -1, -1, false); + let bis = Cc["@mozilla.org/network/buffered-input-stream;1"]. + createInstance(Ci.nsIBufferedInputStream); + bis.init(fis, 4096); + + try { + let addon = loadManifestFromRDF(Services.io.newFileURI(file), bis); + addon._sourceBundle = aDir.clone(); + addon.size = getFileSize(aDir); + + file = aDir.clone(); + file.append("chrome.manifest"); + let chromeManifest = ChromeManifestParser.parseSync(Services.io.newFileURI(file)); + addon.hasBinaryComponents = ChromeManifestParser.hasType(chromeManifest, + "binary-component"); + + addon.appDisabled = !isUsableAddon(addon); + return addon; + } + finally { + bis.close(); + fis.close(); + } +} + +/** + * Loads an AddonInternal object from an nsIZipReader for an add-on. + * + * @param aZipReader + * An open nsIZipReader for the add-on's files + * @return an AddonInternal object + * @throws if the XPI file does not contain a valid install manifest. + * Throws with |webext:true| if a WebExtension manifest was found + * to distinguish between WebExtensions and corrupt files. + */ +function loadManifestFromZipReader(aZipReader) { + let zis; + try { + zis = aZipReader.getInputStream(FILE_INSTALL_MANIFEST); + } catch (e) { + // We're going to throw here, but depending on whether we have a + // WebExtension manifest in the XPI, we'll throw with the webext flag. + try { + let zws = aZipReader.getInputStream(FILE_WEBEXT_MANIFEST); + zws.close(); + } catch(e2) { + // We have neither an install manifest nor a WebExtension manifest; + // this means the extension file has a structural problem. + // Just pass the original error up the chain in that case. + throw { + name: e.name, + message: e.message + }; + } + // If we get here, we have a WebExtension manifest but no install + // manifest. Pass the error up the chain with the webext flag. + throw { + name: e.name, + message: e.message, + webext: true + }; + } + + // We found an install manifest, so it's either a regular or hybrid + // extension. Continue processing. + let bis = Cc["@mozilla.org/network/buffered-input-stream;1"]. + createInstance(Ci.nsIBufferedInputStream); + bis.init(zis, 4096); + + try { + let uri = buildJarURI(aZipReader.file, FILE_INSTALL_MANIFEST); + let addon = loadManifestFromRDF(uri, bis); + addon._sourceBundle = aZipReader.file; + + addon.size = 0; + let entries = aZipReader.findEntries(null); + while (entries.hasMore()) + addon.size += aZipReader.getEntry(entries.getNext()).realSize; + + // Binary components can only be loaded from unpacked addons. + if (addon.unpack) { + uri = buildJarURI(aZipReader.file, "chrome.manifest"); + let chromeManifest = ChromeManifestParser.parseSync(uri); + addon.hasBinaryComponents = ChromeManifestParser.hasType(chromeManifest, + "binary-component"); + } else { + addon.hasBinaryComponents = false; + } + + // Set a boolean value whether the .xpi archive contains file related to old + // Mozilla Add-on SDK or contains file related to PMkit (or new Mozilla SDK), + // but extension is not directly targeting Pale Moon + if (aZipReader.hasEntry("harness-options.json")) { + addon.jetsdk = true; + } else if (aZipReader.hasEntry("package.json")) { + let app = addon.matchingTargetApplication; + if (app && app.id == Services.appinfo.ID) { + addon.jetsdk = false; + } else { + addon.jetsdk = true; + } + } else { + addon.jetsdk = false; + } + + addon.appDisabled = !isUsableAddon(addon); + return addon; + } + finally { + bis.close(); + zis.close(); + } +} + +/** + * Loads an AddonInternal object from an add-on in an XPI file. + * + * @param aXPIFile + * An nsIFile pointing to the add-on's XPI file + * @return an AddonInternal object + * @throws if the XPI file does not contain a valid install manifest + */ +function loadManifestFromZipFile(aXPIFile) { + let zipReader = Cc["@mozilla.org/libjar/zip-reader;1"]. + createInstance(Ci.nsIZipReader); + try { + zipReader.open(aXPIFile); + + return loadManifestFromZipReader(zipReader); + } + finally { + zipReader.close(); + } +} + +function loadManifestFromFile(aFile) { + if (aFile.isFile()) + return loadManifestFromZipFile(aFile); + else + return loadManifestFromDir(aFile); +} + +/** + * Gets an nsIURI for a file within another file, either a directory or an XPI + * file. If aFile is a directory then this will return a file: URI, if it is an + * XPI file then it will return a jar: URI. + * + * @param aFile + * The file containing the resources, must be either a directory or an + * XPI file + * @param aPath + * The path to find the resource at, "/" separated. If aPath is empty + * then the uri to the root of the contained files will be returned + * @return an nsIURI pointing at the resource + */ +function getURIForResourceInFile(aFile, aPath) { + if (aFile.isDirectory()) { + let resource = aFile.clone(); + if (aPath) { + aPath.split("/").forEach(function(aPart) { + resource.append(aPart); + }); + } + return NetUtil.newURI(resource); + } + + return buildJarURI(aFile, aPath); +} + +/** + * Creates a jar: URI for a file inside a ZIP file. + * + * @param aJarfile + * The ZIP file as an nsIFile + * @param aPath + * The path inside the ZIP file + * @return an nsIURI for the file + */ +function buildJarURI(aJarfile, aPath) { + let uri = Services.io.newFileURI(aJarfile); + uri = "jar:" + uri.spec + "!/" + aPath; + return NetUtil.newURI(uri); +} + +/** + * Sends local and remote notifications to flush a JAR file cache entry + * + * @param aJarFile + * The ZIP/XPI/JAR file as a nsIFile + */ +function flushJarCache(aJarFile) { + Services.obs.notifyObservers(aJarFile, "flush-cache-entry", null); + Cc["@mozilla.org/globalmessagemanager;1"].getService(Ci.nsIMessageBroadcaster) + .broadcastAsyncMessage(MSG_JAR_FLUSH, aJarFile.path); +} + +function flushStartupCache() { + // Init this, so it will get the notification. + Services.obs.notifyObservers(null, "startupcache-invalidate", null); +} + +/** + * Creates and returns a new unique temporary file. The caller should delete + * the file when it is no longer needed. + * + * @return an nsIFile that points to a randomly named, initially empty file in + * the OS temporary files directory + */ +function getTemporaryFile() { + let file = FileUtils.getDir(KEY_TEMPDIR, []); + let random = Math.random().toString(36).replace(/0./, '').substr(-3); + file.append("tmp-" + random + ".xpi"); + file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, FileUtils.PERMS_FILE); + + return file; +} + +/** + * Verifies that a zip file's contents are all signed by the same principal. + * Directory entries and anything in the META-INF directory are not checked. + * + * @param aZip + * A nsIZipReader to check + * @param aCertificate + * The nsIX509Cert to compare against + * @return true if all the contents that should be signed were signed by the + * principal + */ +function verifyZipSigning(aZip, aCertificate) { + var count = 0; + var entries = aZip.findEntries(null); + while (entries.hasMore()) { + var entry = entries.getNext(); + // Nothing in META-INF is in the manifest. + if (entry.substr(0, 9) == "META-INF/") + continue; + // Directory entries aren't in the manifest. + if (entry.substr(-1) == "/") + continue; + count++; + var entryCertificate = aZip.getSigningCert(entry); + if (!entryCertificate || !aCertificate.equals(entryCertificate)) { + return false; + } + } + return aZip.manifestEntriesCount == count; +} + +/** + * Replaces %...% strings in an addon url (update and updateInfo) with + * appropriate values. + * + * @param aAddon + * The AddonInternal representing the add-on + * @param aUri + * The uri to escape + * @param aUpdateType + * An optional number representing the type of update, only applicable + * when creating a url for retrieving an update manifest + * @param aAppVersion + * The optional application version to use for %APP_VERSION% + * @return the appropriately escaped uri. + */ +function escapeAddonURI(aAddon, aUri, aUpdateType, aAppVersion) +{ + let uri = AddonManager.escapeAddonURI(aAddon, aUri, aAppVersion); + + // If there is an updateType then replace the UPDATE_TYPE string + if (aUpdateType) + uri = uri.replace(/%UPDATE_TYPE%/g, aUpdateType); + + // If this add-on has compatibility information for either the current + // application or toolkit then replace the ITEM_MAXAPPVERSION with the + // maxVersion + let app = aAddon.matchingTargetApplication; + if (app) + var maxVersion = app.maxVersion; + else + maxVersion = ""; + uri = uri.replace(/%ITEM_MAXAPPVERSION%/g, maxVersion); + + let compatMode = "normal"; + if (!AddonManager.checkCompatibility) + compatMode = "ignore"; + else if (AddonManager.strictCompatibility) + compatMode = "strict"; + uri = uri.replace(/%COMPATIBILITY_MODE%/g, compatMode); + + return uri; +} + +function removeAsync(aFile) { + return Task.spawn(function () { + let info = null; + try { + info = yield OS.File.stat(aFile.path); + if (info.isDir) + yield OS.File.removeDir(aFile.path); + else + yield OS.File.remove(aFile.path); + } + catch (e if e instanceof OS.File.Error && e.becauseNoSuchFile) { + // The file has already gone away + return; + } + }); +} + +/** + * Recursively removes a directory or file fixing permissions when necessary. + * + * @param aFile + * The nsIFile to remove + */ +function recursiveRemove(aFile) { + let isDir = null; + + try { + isDir = aFile.isDirectory(); + } + catch (e) { + // If the file has already gone away then don't worry about it, this can + // happen on OSX where the resource fork is automatically moved with the + // data fork for the file. See bug 733436. + if (e.result == Cr.NS_ERROR_FILE_TARGET_DOES_NOT_EXIST) + return; + if (e.result == Cr.NS_ERROR_FILE_NOT_FOUND) + return; + + throw e; + } + + setFilePermissions(aFile, isDir ? FileUtils.PERMS_DIRECTORY + : FileUtils.PERMS_FILE); + + try { + aFile.remove(true); + return; + } + catch (e) { + if (!aFile.isDirectory()) { + logger.error("Failed to remove file " + aFile.path, e); + throw e; + } + } + + // Use a snapshot of the directory contents to avoid possible issues with + // iterating over a directory while removing files from it (the YAFFS2 + // embedded filesystem has this issue, see bug 772238), and to remove + // normal files before their resource forks on OSX (see bug 733436). + let entries = getDirectoryEntries(aFile, true); + entries.forEach(recursiveRemove); + + try { + aFile.remove(true); + } + catch (e) { + logger.error("Failed to remove empty directory " + aFile.path, e); + throw e; + } +} + +/** + * Returns the timestamp and leaf file name of the most recently modified + * entry in a directory, + * or simply the file's own timestamp if it is not a directory. + * Also returns the total number of items (directories and files) visited in the scan + * + * @param aFile + * A non-null nsIFile object + * @return [File Name, Epoch time, items visited], as described above. + */ +function recursiveLastModifiedTime(aFile) { + try { + let modTime = aFile.lastModifiedTime; + let fileName = aFile.leafName; + if (aFile.isFile()) + return [fileName, modTime, 1]; + + if (aFile.isDirectory()) { + let entries = aFile.directoryEntries.QueryInterface(Ci.nsIDirectoryEnumerator); + let entry; + let totalItems = 1; + while ((entry = entries.nextFile)) { + let [subName, subTime, items] = recursiveLastModifiedTime(entry); + totalItems += items; + if (subTime > modTime) { + modTime = subTime; + fileName = subName; + } + } + entries.close(); + return [fileName, modTime, totalItems]; + } + } + catch (e) { + logger.warn("Problem getting last modified time for " + aFile.path, e); + } + + // If the file is something else, just ignore it. + return ["", 0, 0]; +} + +/** + * Gets a snapshot of directory entries. + * + * @param aDir + * Directory to look at + * @param aSortEntries + * True to sort entries by filename + * @return An array of nsIFile, or an empty array if aDir is not a readable directory + */ +function getDirectoryEntries(aDir, aSortEntries) { + let dirEnum; + try { + dirEnum = aDir.directoryEntries.QueryInterface(Ci.nsIDirectoryEnumerator); + let entries = []; + while (dirEnum.hasMoreElements()) + entries.push(dirEnum.nextFile); + + if (aSortEntries) { + entries.sort(function sortDirEntries(a, b) { + return a.path > b.path ? -1 : 1; + }); + } + + return entries + } + catch (e) { + logger.warn("Can't iterate directory " + aDir.path, e); + return []; + } + finally { + if (dirEnum) { + dirEnum.close(); + } + } +} + +/** + * Wraps a function in an exception handler to protect against exceptions inside callbacks + * @param aFunction function(args...) + * @return function(args...), a function that takes the same arguments as aFunction + * and returns the same result unless aFunction throws, in which case it logs + * a warning and returns undefined. + */ +function makeSafe(aFunction) { + return function(...aArgs) { + try { + return aFunction(...aArgs); + } + catch(ex) { + logger.warn("XPIProvider callback failed", ex); + } + return undefined; + } +} + +/** + * The on-disk state of an individual XPI, created from an Object + * as stored in the 'extensions.xpiState' pref. + */ +function XPIState(saved) { + for (let [short, long] of XPIState.prototype.fields) { + if (short in saved) { + this[long] = saved[short]; + } + } +} + +XPIState.prototype = { + fields: [['d', 'descriptor'], + ['e', 'enabled'], + ['v', 'version'], + ['st', 'scanTime'], + ['mt', 'manifestTime']], + /** + * Return the last modified time, based on enabled/disabled + */ + get mtime() { + if (!this.enabled && ('manifestTime' in this) && this.manifestTime > this.scanTime) { + return this.manifestTime; + } + return this.scanTime; + }, + + toJSON() { + let json = {}; + for (let [short, long] of XPIState.prototype.fields) { + if (long in this) { + json[short] = this[long]; + } + } + return json; + }, + + /** + * Update the last modified time for an add-on on disk. + * @param aFile: nsIFile path of the add-on. + * @param aId: The add-on ID. + * @return True if the time stamp has changed. + */ + getModTime(aFile, aId) { + let changed = false; + let scanStarted = Cu.now(); + // For an unknown or enabled add-on, we do a full recursive scan. + if (!('scanTime' in this) || this.enabled) { + logger.debug('getModTime: Recursive scan of ' + aId); + let [modFile, modTime, items] = recursiveLastModifiedTime(aFile); + XPIProvider._mostRecentlyModifiedFile[aId] = modFile; + if (modTime != this.scanTime) { + this.scanTime = modTime; + changed = true; + } + } + // if the add-on is disabled, modified time is the install.rdf time, if any. + // If {path}/install.rdf doesn't exist, we assume this is a packed .xpi and use + // the time stamp of {path} + try { + // Get the install.rdf update time, if any. + // XXX This will eventually also need to check for package.json or whatever + // the new manifest is named. + let maniFile = aFile.clone(); + maniFile.append(FILE_INSTALL_MANIFEST); + if (!(aId in XPIProvider._mostRecentlyModifiedFile)) { + XPIProvider._mostRecentlyModifiedFile[aId] = maniFile.leafName; + } + let maniTime = maniFile.lastModifiedTime; + if (maniTime != this.manifestTime) { + this.manifestTime = maniTime; + changed = true; + } + } catch (e) { + // No manifest + delete this.manifestTime; + try { + let dtime = aFile.lastModifiedTime; + if (dtime != this.scanTime) { + changed = true; + this.scanTime = dtime; + } + } catch (e) { + logger.warn("Can't get modified time of ${file}: ${e}", {file: aFile.path, e: e}); + changed = true; + this.scanTime = 0; + } + } + return changed; + }, + + /** + * Update the XPIState to match an XPIDatabase entry; if 'enabled' is changed to true, + * update the last-modified time. This should probably be made async, but for now we + * don't want to maintain parallel sync and async versions of the scan. + * Caller is responsible for doing XPIStates.save() if necessary. + * @param aDBAddon The DBAddonInternal for this add-on. + * @param aUpdated The add-on was updated, so we must record new modified time. + */ + syncWithDB(aDBAddon, aUpdated = false) { + logger.debug("Updating XPIState for " + JSON.stringify(aDBAddon)); + // If the add-on changes from disabled to enabled, we should re-check the modified time. + // If this is a newly found add-on, it won't have an 'enabled' field but we + // did a full recursive scan in that case, so we don't need to do it again. + // We don't use aDBAddon.active here because it's not updated until after restart. + let mustGetMod = (aDBAddon.visible && !aDBAddon.disabled && !this.enabled); + this.enabled = (aDBAddon.visible && !aDBAddon.disabled); + this.version = aDBAddon.version; + // XXX Eventually also copy bootstrap, etc. + if (aUpdated || mustGetMod) { + this.getModTime(new nsIFile(this.descriptor), aDBAddon.id); + if (this.scanTime != aDBAddon.updateDate) { + aDBAddon.updateDate = this.scanTime; + XPIDatabase.saveChanges(); + } + } + }, +}; + +// Constructor for an ES6 Map that knows how to convert itself into a +// regular object for toJSON(). +function SerializableMap() { + let m = new Map(); + m.toJSON = function() { + let out = {} + for (let [key, val] of m) { + out[key] = val; + } + return out; + }; + return m; +} + +/** + * Keeps track of the state of XPI add-ons on the file system. + */ +this.XPIStates = { + // Map(location name -> Map(add-on ID -> XPIState)) + db: null, + + get size() { + if (!this.db) { + return 0; + } + let count = 0; + for (let location of this.db.values()) { + count += location.size; + } + return count; + }, + + /** + * Load extension state data from preferences. + */ + loadExtensionState() { + let state = {}; + + // Clear out old directory state cache. + Preferences.reset(PREF_INSTALL_CACHE); + + let cache = Preferences.get(PREF_XPI_STATE, "{}"); + try { + state = JSON.parse(cache); + } catch (e) { + logger.warn("Error parsing extensions.xpiState ${state}: ${error}", + {state: cache, error: e}); + } + logger.debug("Loaded add-on state from prefs: ${}", state); + return state; + }, + + /** + * Walk through all install locations, highest priority first, + * comparing the on-disk state of extensions to what is stored in prefs. + * @return true if anything has changed. + */ + getInstallState() { + let oldState = this.loadExtensionState(); + let changed = false; + this.db = new SerializableMap(); + + for (let location of XPIProvider.installLocations) { + // The list of add-on like file/directory names in the install location. + let addons = location.addonLocations; + // The results of scanning this location. + let foundAddons = new SerializableMap(); + + // What our old state thinks should be in this location. + let locState = {}; + if (location.name in oldState) { + locState = oldState[location.name]; + // We've seen this location. + delete oldState[location.name]; + } + + for (let file of addons) { + let id = location.getIDForLocation(file); + + if (!(id in locState)) { + logger.debug("New add-on ${id} in ${location}", {id: id, location: location.name}); + let xpiState = new XPIState({d: file.persistentDescriptor}); + changed = xpiState.getModTime(file, id) || changed; + foundAddons.set(id, xpiState); + } else { + let xpiState = new XPIState(locState[id]); + // We found this add-on in the file system + delete locState[id]; + + changed = xpiState.getModTime(file, id) || changed; + + if (file.persistentDescriptor != xpiState.descriptor) { + xpiState.descriptor = file.persistentDescriptor; + changed = true; + } + if (changed) { + logger.debug("Changed add-on ${id} in ${location}", {id: id, location: location.name}); + } + foundAddons.set(id, xpiState); + } + } + + // Anything left behind in oldState was removed from the file system. + for (let id in locState) { + changed = true; + break; + } + // If we found anything, add this location to our database. + if (foundAddons.size != 0) { + this.db.set(location.name, foundAddons); + } + } + + // If there's anything left in oldState, an install location that held add-ons + // was removed from the browser configuration. + for (let location in oldState) { + changed = true; + break; + } + + logger.debug("getInstallState changed: ${rv}, state: ${state}", + {rv: changed, state: this.db}); + return changed; + }, + + /** + * Get the Map of XPI states for a particular location. + * @param aLocation The name of the install location. + * @return Map (id -> XPIState) or null if there are no add-ons in the location. + */ + getLocation(aLocation) { + return this.db.get(aLocation); + }, + + /** + * Get the XPI state for a specific add-on in a location. + * If the state is not in our cache, return null. + * @param aLocation The name of the location where the add-on is installed. + * @param aId The add-on ID + * @return The XPIState entry for the add-on, or null. + */ + getAddon(aLocation, aId) { + let location = this.db.get(aLocation); + if (!location) { + return null; + } + return location.get(aId); + }, + + /** + * Find the highest priority location of an add-on by ID and return the + * location and the XPIState. + * @param aId The add-on ID + * @return [locationName, XPIState] if the add-on is found, [undefined, undefined] + * if the add-on is not found. + */ + findAddon(aId) { + // Fortunately the Map iterator returns in order of insertion, which is + // also our highest -> lowest priority order. + for (let [name, location] of this.db) { + if (location.has(aId)) { + return [name, location.get(aId)]; + } + } + return [undefined, undefined]; + }, + + /** + * Add a new XPIState for an add-on and synchronize it with the DBAddonInternal. + * @param aAddon DBAddonInternal for the new add-on. + */ + addAddon(aAddon) { + let location = this.db.get(aAddon.location); + if (!location) { + // First add-on in this location. + location = new SerializableMap(); + this.db.set(aAddon.location, location); + } + logger.debug("XPIStates adding add-on ${id} in ${location}: ${descriptor}", aAddon); + let xpiState = new XPIState({d: aAddon.descriptor}); + location.set(aAddon.id, xpiState); + xpiState.syncWithDB(aAddon, true); + }, + + /** + * Save the current state of installed add-ons. + * XXX this *totally* should be a .json file using DeferredSave... + */ + save() { + let cache = JSON.stringify(this.db); + Services.prefs.setCharPref(PREF_XPI_STATE, cache); + }, + + /** + * Remove the XPIState for an add-on and save the new state. + * @param aLocation The name of the add-on location. + * @param aId The ID of the add-on. + */ + removeAddon(aLocation, aId) { + logger.debug("Removing XPIState for " + aLocation + ":" + aId); + let location = this.db.get(aLocation); + if (!location) { + return; + } + location.delete(aId); + if (location.size == 0) { + this.db.delete(aLocation); + } + this.save(); + }, +}; + +this.XPIProvider = { + get name() "XPIProvider", + + // An array of known install locations + installLocations: null, + // A dictionary of known install locations by name + installLocationsByName: null, + // An array of currently active AddonInstalls + installs: null, + // The default skin for the application + defaultSkin: "classic/1.0", + // The current skin used by the application + currentSkin: null, + // The selected skin to be used by the application when it is restarted. This + // will be the same as currentSkin when it is the skin to be used when the + // application is restarted + selectedSkin: null, + // The value of the minCompatibleAppVersion preference + minCompatibleAppVersion: null, + // The value of the minCompatiblePlatformVersion preference + minCompatiblePlatformVersion: null, + // A dictionary of the file descriptors for bootstrappable add-ons by ID + bootstrappedAddons: {}, + // A dictionary of JS scopes of loaded bootstrappable add-ons by ID + bootstrapScopes: {}, + // True if the platform could have activated extensions + extensionsActive: false, + // True if all of the add-ons found during startup were installed in the + // application install location + allAppGlobal: true, + // A string listing the enabled add-ons for annotating crash reports + enabledAddons: null, + // Keep track of startup phases for telemetry + runPhase: XPI_STARTING, + // Keep track of the newest file in each add-on, in case we want to + // report it to telemetry. + _mostRecentlyModifiedFile: {}, + // Per-addon telemetry information + _telemetryDetails: {}, + // Experiments are disabled by default. Track ones that are locally enabled. + _enabledExperiments: null, + // A Map from an add-on install to its ID + _addonFileMap: new Map(), + // Flag to know if ToolboxProcess.jsm has already been loaded by someone or not + _toolboxProcessLoaded: false, + // Have we started shutting down bootstrap add-ons? + _closing: false, + + // Keep track of in-progress operations that support cancel() + _inProgress: [], + + doing: function XPI_doing(aCancellable) { + this._inProgress.push(aCancellable); + }, + + done: function XPI_done(aCancellable) { + let i = this._inProgress.indexOf(aCancellable); + if (i != -1) { + this._inProgress.splice(i, 1); + return true; + } + return false; + }, + + cancelAll: function XPI_cancelAll() { + // Cancelling one may alter _inProgress, so don't use a simple iterator + while (this._inProgress.length > 0) { + let c = this._inProgress.shift(); + try { + c.cancel(); + } + catch (e) { + logger.warn("Cancel failed", e); + } + } + }, + + /** + * Adds or updates a URI mapping for an Addon.id. + * + * Mappings should not be removed at any point. This is so that the mappings + * will be still valid after an add-on gets disabled or uninstalled, as + * consumers may still have URIs of (leaked) resources they want to map. + */ + _addURIMapping: function XPI__addURIMapping(aID, aFile) { + logger.info("Mapping " + aID + " to " + aFile.path); + this._addonFileMap.set(aID, aFile.path); + + let service = Cc["@mozilla.org/addon-path-service;1"].getService(Ci.amIAddonPathService); + service.insertPath(aFile.path, aID); + }, + + /** + * Resolve a URI back to physical file. + * + * Of course, this works only for URIs pointing to local resources. + * + * @param aURI + * URI to resolve + * @return + * resolved nsIFileURL + */ + _resolveURIToFile: function XPI__resolveURIToFile(aURI) { + switch (aURI.scheme) { + case "jar": + case "file": + if (aURI instanceof Ci.nsIJARURI) { + return this._resolveURIToFile(aURI.JARFile); + } + return aURI; + + case "chrome": + aURI = ChromeRegistry.convertChromeURL(aURI); + return this._resolveURIToFile(aURI); + + case "resource": + aURI = Services.io.newURI(ResProtocolHandler.resolveURI(aURI), null, + null); + return this._resolveURIToFile(aURI); + + case "view-source": + aURI = Services.io.newURI(aURI.path, null, null); + return this._resolveURIToFile(aURI); + + case "about": + if (aURI.spec == "about:blank") { + // Do not attempt to map about:blank + return null; + } + + let chan; + try { + chan = Services.io.newChannelFromURI2(aURI, + null, // aLoadingNode + Services.scriptSecurityManager.getSystemPrincipal(), + null, // aTriggeringPrincipal + Ci.nsILoadInfo.SEC_NORMAL, + Ci.nsIContentPolicy.TYPE_OTHER); + } + catch (ex) { + return null; + } + // Avoid looping + if (chan.URI.equals(aURI)) { + return null; + } + // We want to clone the channel URI to avoid accidentially keeping + // unnecessary references to the channel or implementation details + // around. + return this._resolveURIToFile(chan.URI.clone()); + + default: + return null; + } + }, + + /** + * Starts the XPI provider initializes the install locations and prefs. + * + * @param aAppChanged + * A tri-state value. Undefined means the current profile was created + * for this session, true means the profile already existed but was + * last used with an application with a different version number, + * false means that the profile was last used by this version of the + * application. + * @param aOldAppVersion + * The version of the application last run with this profile or null + * if it is a new profile or the version is unknown + * @param aOldPlatformVersion + * The version of the platform last run with this profile or null + * if it is a new profile or the version is unknown + */ + startup: function XPI_startup(aAppChanged, aOldAppVersion, aOldPlatformVersion) { + function addDirectoryInstallLocation(aName, aKey, aPaths, aScope, aLocked) { + try { + var dir = FileUtils.getDir(aKey, aPaths); + } + catch (e) { + // Some directories aren't defined on some platforms, ignore them + logger.debug("Skipping unavailable install location " + aName); + return; + } + + try { + var location = new DirectoryInstallLocation(aName, dir, aScope, aLocked); + } + catch (e) { + logger.warn("Failed to add directory install location " + aName, e); + return; + } + + XPIProvider.installLocations.push(location); + XPIProvider.installLocationsByName[location.name] = location; + } + + function addRegistryInstallLocation(aName, aRootkey, aScope) { + try { + var location = new WinRegInstallLocation(aName, aRootkey, aScope); + } + catch (e) { + logger.warn("Failed to add registry install location " + aName, e); + return; + } + + XPIProvider.installLocations.push(location); + XPIProvider.installLocationsByName[location.name] = location; + } + + try { + AddonManagerPrivate.recordTimestamp("XPI_startup_begin"); + + logger.debug("startup"); + this.runPhase = XPI_STARTING; + this.installs = []; + this.installLocations = []; + this.installLocationsByName = {}; + // Hook for tests to detect when saving database at shutdown time fails + this._shutdownError = null; + // Clear this at startup for xpcshell test restarts + this._telemetryDetails = {}; + // Clear the set of enabled experiments (experiments disabled by default). + this._enabledExperiments = new Set(); + + let hasRegistry = ("nsIWindowsRegKey" in Ci); + + let enabledScopes = Preferences.get(PREF_EM_ENABLED_SCOPES, + AddonManager.SCOPE_ALL); + + // These must be in order of priority, highest to lowest, + // for processFileChanges etc. to work + // The profile location is always enabled + addDirectoryInstallLocation(KEY_APP_PROFILE, KEY_PROFILEDIR, + [DIR_EXTENSIONS], + AddonManager.SCOPE_PROFILE, false); + + if (enabledScopes & AddonManager.SCOPE_USER) { + addDirectoryInstallLocation(KEY_APP_SYSTEM_USER, "XREUSysExt", + [Services.appinfo.ID], + AddonManager.SCOPE_USER, true); + if (hasRegistry) { + addRegistryInstallLocation("winreg-app-user", + Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER, + AddonManager.SCOPE_USER); + } + } + + if (enabledScopes & AddonManager.SCOPE_APPLICATION) { + addDirectoryInstallLocation(KEY_APP_GLOBAL, KEY_APPDIR, + [DIR_EXTENSIONS], + AddonManager.SCOPE_APPLICATION, true); + } + + if (enabledScopes & AddonManager.SCOPE_SYSTEM) { + addDirectoryInstallLocation(KEY_APP_SYSTEM_SHARE, "XRESysSExtPD", + [Services.appinfo.ID], + AddonManager.SCOPE_SYSTEM, true); + addDirectoryInstallLocation(KEY_APP_SYSTEM_LOCAL, "XRESysLExtPD", + [Services.appinfo.ID], + AddonManager.SCOPE_SYSTEM, true); + if (hasRegistry) { + addRegistryInstallLocation("winreg-app-global", + Ci.nsIWindowsRegKey.ROOT_KEY_LOCAL_MACHINE, + AddonManager.SCOPE_SYSTEM); + } + } + + let defaultPrefs = new Preferences({ defaultBranch: true }); + this.defaultSkin = defaultPrefs.get(PREF_GENERAL_SKINS_SELECTEDSKIN, + "classic/1.0"); + this.currentSkin = Preferences.get(PREF_GENERAL_SKINS_SELECTEDSKIN, + this.defaultSkin); + this.selectedSkin = this.currentSkin; + this.applyThemeChange(); + + this.minCompatibleAppVersion = Preferences.get(PREF_EM_MIN_COMPAT_APP_VERSION, + null); + this.minCompatiblePlatformVersion = Preferences.get(PREF_EM_MIN_COMPAT_PLATFORM_VERSION, + null); + this.enabledAddons = ""; + + Services.prefs.addObserver(PREF_EM_MIN_COMPAT_APP_VERSION, this, false); + Services.prefs.addObserver(PREF_EM_MIN_COMPAT_PLATFORM_VERSION, this, false); + Services.obs.addObserver(this, NOTIFICATION_FLUSH_PERMISSIONS, false); + if (Cu.isModuleLoaded("resource://gre/modules/devtools/ToolboxProcess.jsm")) { + // If BrowserToolboxProcess is already loaded, set the boolean to true + // and do whatever is needed + this._toolboxProcessLoaded = true; + BrowserToolboxProcess.on("connectionchange", + this.onDebugConnectionChange.bind(this)); + } + else { + // Else, wait for it to load + Services.obs.addObserver(this, NOTIFICATION_TOOLBOXPROCESS_LOADED, false); + } + + let flushCaches = this.checkForChanges(aAppChanged, aOldAppVersion, + aOldPlatformVersion); + + // Changes to installed extensions may have changed which theme is selected + this.applyThemeChange(); + + AddonManagerPrivate.markProviderSafe(this); + + if (aAppChanged === undefined) { + // For new profiles we will never need to show the add-on selection UI + Services.prefs.setBoolPref(PREF_SHOWN_SELECTION_UI, true); + } + else if (aAppChanged && !this.allAppGlobal && + Preferences.get(PREF_EM_SHOW_MISMATCH_UI, true)) { + if (!Preferences.get(PREF_SHOWN_SELECTION_UI, false)) { + // Flip a flag to indicate that we interrupted startup with an interactive prompt + Services.startup.interrupted = true; + // This *must* be modal as it has to block startup. + var features = "chrome,centerscreen,dialog,titlebar,modal"; + Services.ww.openWindow(null, URI_EXTENSION_SELECT_DIALOG, "", features, null); + Services.prefs.setBoolPref(PREF_SHOWN_SELECTION_UI, true); + // Ensure any changes to the add-ons list are flushed to disk + Services.prefs.setBoolPref(PREF_PENDING_OPERATIONS, + !XPIDatabase.writeAddonsList()); + } + else { + let addonsToUpdate = this.shouldForceUpdateCheck(aAppChanged); + if (addonsToUpdate) { + this.showUpgradeUI(addonsToUpdate); + flushCaches = true; + } + } + } + + if (flushCaches) { + flushStartupCache(); + // UI displayed early in startup (like the compatibility UI) may have + // caused us to cache parts of the skin or locale in memory. These must + // be flushed to allow extension provided skins and locales to take full + // effect + Services.obs.notifyObservers(null, "chrome-flush-skin-caches", null); + Services.obs.notifyObservers(null, "chrome-flush-caches", null); + } + + this.enabledAddons = Preferences.get(PREF_EM_ENABLED_ADDONS, ""); + + if ("nsICrashReporter" in Ci && + Services.appinfo instanceof Ci.nsICrashReporter) { + // Annotate the crash report with relevant add-on information. + try { + Services.appinfo.annotateCrashReport("Theme", this.currentSkin); + } catch (e) { } + try { + Services.appinfo.annotateCrashReport("EMCheckCompatibility", + AddonManager.checkCompatibility); + } catch (e) { } + this.addAddonsToCrashReporter(); + } + + try { + AddonManagerPrivate.recordTimestamp("XPI_bootstrap_addons_begin"); + for (let id in this.bootstrappedAddons) { + try { + let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile); + file.persistentDescriptor = this.bootstrappedAddons[id].descriptor; + let reason = BOOTSTRAP_REASONS.APP_STARTUP; + // Eventually set INSTALLED reason when a bootstrap addon + // is dropped in profile folder and automatically installed + if (AddonManager.getStartupChanges(AddonManager.STARTUP_CHANGE_INSTALLED) + .indexOf(id) !== -1) + reason = BOOTSTRAP_REASONS.ADDON_INSTALL; + this.callBootstrapMethod(createAddonDetails(id, this.bootstrappedAddons[id]), + file, "startup", reason); + } + catch (e) { + logger.error("Failed to load bootstrap addon " + id + " from " + + this.bootstrappedAddons[id].descriptor, e); + } + } + AddonManagerPrivate.recordTimestamp("XPI_bootstrap_addons_end"); + } + catch (e) { + logger.error("bootstrap startup failed", e); + AddonManagerPrivate.recordException("XPI-BOOTSTRAP", "startup failed", e); + } + + // Let these shutdown a little earlier when they still have access to most + // of XPCOM + Services.obs.addObserver({ + observe: function shutdownObserver(aSubject, aTopic, aData) { + XPIProvider._closing = true; + for (let id in XPIProvider.bootstrappedAddons) { + let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile); + file.persistentDescriptor = XPIProvider.bootstrappedAddons[id].descriptor; + let addon = createAddonDetails(id, XPIProvider.bootstrappedAddons[id]); + XPIProvider.callBootstrapMethod(addon, file, "shutdown", + BOOTSTRAP_REASONS.APP_SHUTDOWN); + } + Services.obs.removeObserver(this, "quit-application-granted"); + } + }, "quit-application-granted", false); + + // Detect final-ui-startup for telemetry reporting + Services.obs.addObserver({ + observe: function uiStartupObserver(aSubject, aTopic, aData) { + AddonManagerPrivate.recordTimestamp("XPI_finalUIStartup"); + XPIProvider.runPhase = XPI_AFTER_UI_STARTUP; + Services.obs.removeObserver(this, "final-ui-startup"); + } + }, "final-ui-startup", false); + + AddonManagerPrivate.recordTimestamp("XPI_startup_end"); + + this.extensionsActive = true; + this.runPhase = XPI_BEFORE_UI_STARTUP; + } + catch (e) { + logger.error("startup failed", e); + AddonManagerPrivate.recordException("XPI", "startup failed", e); + } + }, + + /** + * Shuts down the database and releases all references. + * Return: Promise{integer} resolves / rejects with the result of + * flushing the XPI Database if it was loaded, + * 0 otherwise. + */ + shutdown: function XPI_shutdown() { + logger.debug("shutdown"); + + // Stop anything we were doing asynchronously + this.cancelAll(); + + this.bootstrappedAddons = {}; + this.bootstrapScopes = {}; + this.enabledAddons = null; + this.allAppGlobal = true; + + // If there are pending operations then we must update the list of active + // add-ons + if (Preferences.get(PREF_PENDING_OPERATIONS, false)) { + AddonManagerPrivate.recordSimpleMeasure("XPIDB_pending_ops", 1); + XPIDatabase.updateActiveAddons(); + Services.prefs.setBoolPref(PREF_PENDING_OPERATIONS, + !XPIDatabase.writeAddonsList()); + } + + this.installs = null; + this.installLocations = null; + this.installLocationsByName = null; + + // This is needed to allow xpcshell tests to simulate a restart + this.extensionsActive = false; + this._addonFileMap.clear(); + + if (gLazyObjectsLoaded) { + let done = XPIDatabase.shutdown(); + done.then( + ret => { + logger.debug("Notifying XPI shutdown observers"); + Services.obs.notifyObservers(null, "xpi-provider-shutdown", null); + }, + err => { + logger.debug("Notifying XPI shutdown observers"); + this._shutdownError = err; + Services.obs.notifyObservers(null, "xpi-provider-shutdown", err); + } + ); + return done; + } + else { + logger.debug("Notifying XPI shutdown observers"); + Services.obs.notifyObservers(null, "xpi-provider-shutdown", null); + } + }, + + /** + * Applies any pending theme change to the preferences. + */ + applyThemeChange: function XPI_applyThemeChange() { + if (!Preferences.get(PREF_DSS_SWITCHPENDING, false)) + return; + + // Tell the Chrome Registry which Skin to select + try { + this.selectedSkin = Preferences.get(PREF_DSS_SKIN_TO_SELECT); + Services.prefs.setCharPref(PREF_GENERAL_SKINS_SELECTEDSKIN, + this.selectedSkin); + Services.prefs.clearUserPref(PREF_DSS_SKIN_TO_SELECT); + logger.debug("Changed skin to " + this.selectedSkin); + this.currentSkin = this.selectedSkin; + } + catch (e) { + logger.error("Error applying theme change", e); + } + Services.prefs.clearUserPref(PREF_DSS_SWITCHPENDING); + }, + + /** + * If the application has been upgraded and there are add-ons outside the + * application directory then we may need to synchronize compatibility + * information but only if the mismatch UI isn't disabled. + * + * @returns False if no update check is needed, otherwise an array of add-on + * IDs to check for updates. Array may be empty if no add-ons can be/need + * to be updated, but the metadata check needs to be performed. + */ + shouldForceUpdateCheck: function XPI_shouldForceUpdateCheck(aAppChanged) { + AddonManagerPrivate.recordSimpleMeasure("XPIDB_metadata_age", AddonRepository.metadataAge()); + + let startupChanges = AddonManager.getStartupChanges(AddonManager.STARTUP_CHANGE_DISABLED); + logger.debug("shouldForceUpdateCheck startupChanges: " + startupChanges.toSource()); + AddonManagerPrivate.recordSimpleMeasure("XPIDB_startup_disabled", startupChanges.length); + + let forceUpdate = []; + if (startupChanges.length > 0) { + let addons = XPIDatabase.getAddons(); + for (let addon of addons) { + if ((startupChanges.indexOf(addon.id) != -1) && + (addon.permissions() & AddonManager.PERM_CAN_UPGRADE)) { + logger.debug("shouldForceUpdateCheck: can upgrade disabled add-on " + addon.id); + forceUpdate.push(addon.id); + } + } + } + + if (AddonRepository.isMetadataStale()) { + logger.debug("shouldForceUpdateCheck: metadata is stale"); + return forceUpdate; + } + if (forceUpdate.length > 0) { + return forceUpdate; + } + + return false; + }, + + /** + * Shows the "Compatibility Updates" UI. + * + * @param aAddonIDs + * Array opf addon IDs that were disabled by the application update, and + * should therefore be checked for updates. + */ + showUpgradeUI: function XPI_showUpgradeUI(aAddonIDs) { + logger.debug("XPI_showUpgradeUI: " + aAddonIDs.toSource()); + // Flip a flag to indicate that we interrupted startup with an interactive prompt + Services.startup.interrupted = true; + + var variant = Cc["@mozilla.org/variant;1"]. + createInstance(Ci.nsIWritableVariant); + variant.setFromVariant(aAddonIDs); + + // This *must* be modal as it has to block startup. + var features = "chrome,centerscreen,dialog,titlebar,modal"; + var ww = Cc["@mozilla.org/embedcomp/window-watcher;1"]. + getService(Ci.nsIWindowWatcher); + ww.openWindow(null, URI_EXTENSION_UPDATE_DIALOG, "", features, variant); + + // Ensure any changes to the add-ons list are flushed to disk + Services.prefs.setBoolPref(PREF_PENDING_OPERATIONS, + !XPIDatabase.writeAddonsList()); + }, + + /** + * Persists changes to XPIProvider.bootstrappedAddons to its store (a pref). + */ + persistBootstrappedAddons: function XPI_persistBootstrappedAddons() { + // Experiments are disabled upon app load, so don't persist references. + let filtered = {}; + for (let id in this.bootstrappedAddons) { + let entry = this.bootstrappedAddons[id]; + if (entry.type == "experiment") { + continue; + } + + filtered[id] = entry; + } + + Services.prefs.setCharPref(PREF_BOOTSTRAP_ADDONS, + JSON.stringify(filtered)); + }, + + /** + * Adds a list of currently active add-ons to the next crash report. + */ + addAddonsToCrashReporter: function XPI_addAddonsToCrashReporter() { + if (!("nsICrashReporter" in Ci) || + !(Services.appinfo instanceof Ci.nsICrashReporter)) + return; + + // In safe mode no add-ons are loaded so we should not include them in the + // crash report + if (Services.appinfo.inSafeMode) + return; + + let data = this.enabledAddons; + for (let id in this.bootstrappedAddons) { + data += (data ? "," : "") + encodeURIComponent(id) + ":" + + encodeURIComponent(this.bootstrappedAddons[id].version); + } + + try { + Services.appinfo.annotateCrashReport("Add-ons", data); + } + catch (e) { } + + let TelemetrySession = + Cu.import("resource://gre/modules/TelemetrySession.jsm", {}).TelemetrySession; + TelemetrySession.setAddOns(data); + }, + + /** + * Check the staging directories of install locations for any add-ons to be + * installed or add-ons to be uninstalled. + * + * @param aManifests + * A dictionary to add detected install manifests to for the purpose + * of passing through updated compatibility information + * @return true if an add-on was installed or uninstalled + */ + processPendingFileChanges: function XPI_processPendingFileChanges(aManifests) { + let changed = false; + this.installLocations.forEach(function(aLocation) { + aManifests[aLocation.name] = {}; + // We can't install or uninstall anything in locked locations + if (aLocation.locked) + return; + + let stagedXPIDir = aLocation.getXPIStagingDir(); + let stagingDir = aLocation.getStagingDir(); + + if (stagedXPIDir.exists() && stagedXPIDir.isDirectory()) { + let entries = stagedXPIDir.directoryEntries + .QueryInterface(Ci.nsIDirectoryEnumerator); + while (entries.hasMoreElements()) { + let stageDirEntry = entries.nextFile; + + if (!stageDirEntry.isDirectory()) { + logger.warn("Ignoring file in XPI staging directory: " + stageDirEntry.path); + continue; + } + + // Find the last added XPI file in the directory + let stagedXPI = null; + var xpiEntries = stageDirEntry.directoryEntries + .QueryInterface(Ci.nsIDirectoryEnumerator); + while (xpiEntries.hasMoreElements()) { + let file = xpiEntries.nextFile; + if (file.isDirectory()) + continue; + + let extension = file.leafName; + extension = extension.substring(extension.length - 4); + + if (extension != ".xpi" && extension != ".jar") + continue; + + stagedXPI = file; + } + xpiEntries.close(); + + if (!stagedXPI) + continue; + + let addon = null; + try { + addon = loadManifestFromZipFile(stagedXPI); + } + catch (e) { + logger.error("Unable to read add-on manifest from " + stagedXPI.path, e); + continue; + } + + logger.debug("Migrating staged install of " + addon.id + " in " + aLocation.name); + + if (addon.unpack || Preferences.get(PREF_XPI_UNPACK, false)) { + let targetDir = stagingDir.clone(); + targetDir.append(addon.id); + try { + targetDir.create(Ci.nsIFile.DIRECTORY_TYPE, FileUtils.PERMS_DIRECTORY); + } + catch (e) { + logger.error("Failed to create staging directory for add-on " + addon.id, e); + continue; + } + + try { + ZipUtils.extractFiles(stagedXPI, targetDir); + } + catch (e) { + logger.error("Failed to extract staged XPI for add-on " + addon.id + " in " + + aLocation.name, e); + } + } + else { + try { + stagedXPI.moveTo(stagingDir, addon.id + ".xpi"); + } + catch (e) { + logger.error("Failed to move staged XPI for add-on " + addon.id + " in " + + aLocation.name, e); + } + } + } + entries.close(); + } + + if (stagedXPIDir.exists()) { + try { + recursiveRemove(stagedXPIDir); + } + catch (e) { + // Non-critical, just saves some perf on startup if we clean this up. + logger.debug("Error removing XPI staging dir " + stagedXPIDir.path, e); + } + } + + try { + if (!stagingDir || !stagingDir.exists() || !stagingDir.isDirectory()) + return; + } + catch (e) { + logger.warn("Failed to find staging directory", e); + return; + } + + let seenFiles = []; + // Use a snapshot of the directory contents to avoid possible issues with + // iterating over a directory while removing files from it (the YAFFS2 + // embedded filesystem has this issue, see bug 772238), and to remove + // normal files before their resource forks on OSX (see bug 733436). + let stagingDirEntries = getDirectoryEntries(stagingDir, true); + for (let stageDirEntry of stagingDirEntries) { + let id = stageDirEntry.leafName; + + let isDir; + try { + isDir = stageDirEntry.isDirectory(); + } + catch (e if e.result == Cr.NS_ERROR_FILE_TARGET_DOES_NOT_EXIST) { + // If the file has already gone away then don't worry about it, this + // can happen on OSX where the resource fork is automatically moved + // with the data fork for the file. See bug 733436. + continue; + } + + if (!isDir) { + if (id.substring(id.length - 4).toLowerCase() == ".xpi") { + id = id.substring(0, id.length - 4); + } + else { + if (id.substring(id.length - 5).toLowerCase() != ".json") { + logger.warn("Ignoring file: " + stageDirEntry.path); + seenFiles.push(stageDirEntry.leafName); + } + continue; + } + } + + // Check that the directory's name is a valid ID. + if (!gIDTest.test(id)) { + logger.warn("Ignoring directory whose name is not a valid add-on ID: " + + stageDirEntry.path); + seenFiles.push(stageDirEntry.leafName); + continue; + } + + changed = true; + + if (isDir) { + // Check if the directory contains an install manifest. + let manifest = stageDirEntry.clone(); + manifest.append(FILE_INSTALL_MANIFEST); + + // If the install manifest doesn't exist uninstall this add-on in this + // install location. + if (!manifest.exists()) { + logger.debug("Processing uninstall of " + id + " in " + aLocation.name); + + try { + let addonFile = aLocation.getLocationForID(id); + let addonToUninstall = loadManifestFromFile(addonFile, aLocation); + if (addonToUninstall.bootstrap) { + this.callBootstrapMethod(addonToUninstall, addonToUninstall._sourceBundle, + "uninstall", BOOTSTRAP_REASONS.ADDON_UNINSTALL); + } + } + catch (e) { + logger.warn("Failed to call uninstall for " + id, e); + } + + try { + aLocation.uninstallAddon(id); + seenFiles.push(stageDirEntry.leafName); + } + catch (e) { + logger.error("Failed to uninstall add-on " + id + " in " + aLocation.name, e); + } + // The file check later will spot the removal and cleanup the database + continue; + } + } + + aManifests[aLocation.name][id] = null; + let existingAddonID = id; + + let jsonfile = stagingDir.clone(); + jsonfile.append(id + ".json"); + + try { + aManifests[aLocation.name][id] = loadManifestFromFile(stageDirEntry); + } + catch (e) { + logger.error("Unable to read add-on manifest from " + stageDirEntry.path, e); + // This add-on can't be installed so just remove it now + seenFiles.push(stageDirEntry.leafName); + seenFiles.push(jsonfile.leafName); + continue; + } + + // Check for a cached metadata for this add-on, it may contain updated + // compatibility information + if (jsonfile.exists()) { + logger.debug("Found updated metadata for " + id + " in " + aLocation.name); + let fis = Cc["@mozilla.org/network/file-input-stream;1"]. + createInstance(Ci.nsIFileInputStream); + let json = Cc["@mozilla.org/dom/json;1"]. + createInstance(Ci.nsIJSON); + + try { + fis.init(jsonfile, -1, 0, 0); + let metadata = json.decodeFromStream(fis, jsonfile.fileSize); + aManifests[aLocation.name][id].importMetadata(metadata); + } + catch (e) { + // If some data can't be recovered from the cached metadata then it + // is unlikely to be a problem big enough to justify throwing away + // the install, just log and error and continue + logger.error("Unable to read metadata from " + jsonfile.path, e); + } + finally { + fis.close(); + } + } + seenFiles.push(jsonfile.leafName); + + existingAddonID = aManifests[aLocation.name][id].existingAddonID || id; + + var oldBootstrap = null; + logger.debug("Processing install of " + id + " in " + aLocation.name); + if (existingAddonID in this.bootstrappedAddons) { + try { + var existingAddon = aLocation.getLocationForID(existingAddonID); + if (this.bootstrappedAddons[existingAddonID].descriptor == + existingAddon.persistentDescriptor) { + oldBootstrap = this.bootstrappedAddons[existingAddonID]; + + // We'll be replacing a currently active bootstrapped add-on so + // call its uninstall method + let newVersion = aManifests[aLocation.name][id].version; + let oldVersion = oldBootstrap.version; + let uninstallReason = Services.vc.compare(oldVersion, newVersion) < 0 ? + BOOTSTRAP_REASONS.ADDON_UPGRADE : + BOOTSTRAP_REASONS.ADDON_DOWNGRADE; + + this.callBootstrapMethod(createAddonDetails(existingAddonID, oldBootstrap), + existingAddon, "uninstall", uninstallReason, + { newVersion: newVersion }); + this.unloadBootstrapScope(existingAddonID); + flushStartupCache(); + } + } + catch (e) { + } + } + + try { + var addonInstallLocation = aLocation.installAddon(id, stageDirEntry, + existingAddonID); + if (aManifests[aLocation.name][id]) + aManifests[aLocation.name][id]._sourceBundle = addonInstallLocation; + } + catch (e) { + logger.error("Failed to install staged add-on " + id + " in " + aLocation.name, + e); + // Re-create the staged install + AddonInstall.createStagedInstall(aLocation, stageDirEntry, + aManifests[aLocation.name][id]); + // Make sure not to delete the cached manifest json file + seenFiles.pop(); + + delete aManifests[aLocation.name][id]; + + if (oldBootstrap) { + // Re-install the old add-on + this.callBootstrapMethod(createAddonDetails(existingAddonID, oldBootstrap), + existingAddon, "install", + BOOTSTRAP_REASONS.ADDON_INSTALL); + } + continue; + } + } + + try { + aLocation.cleanStagingDir(seenFiles); + } + catch (e) { + // Non-critical, just saves some perf on startup if we clean this up. + logger.debug("Error cleaning staging dir " + stagingDir.path, e); + } + }, this); + return changed; + }, + + /** + * Installs any add-ons located in the extensions directory of the + * application's distribution specific directory into the profile unless a + * newer version already exists or the user has previously uninstalled the + * distributed add-on. + * + * @param aManifests + * A dictionary to add new install manifests to to save having to + * reload them later + * @return true if any new add-ons were installed + */ + installDistributionAddons: function XPI_installDistributionAddons(aManifests) { + let distroDir; + try { + distroDir = FileUtils.getDir(KEY_APP_DISTRIBUTION, [DIR_EXTENSIONS]); + } + catch (e) { + return false; + } + + if (!distroDir.exists()) + return false; + + if (!distroDir.isDirectory()) + return false; + + let changed = false; + let profileLocation = this.installLocationsByName[KEY_APP_PROFILE]; + + let entries = distroDir.directoryEntries + .QueryInterface(Ci.nsIDirectoryEnumerator); + let entry; + while ((entry = entries.nextFile)) { + + let id = entry.leafName; + + if (entry.isFile()) { + if (id.substring(id.length - 4).toLowerCase() == ".xpi") { + id = id.substring(0, id.length - 4); + } + else { + logger.debug("Ignoring distribution add-on that isn't an XPI: " + entry.path); + continue; + } + } + else if (!entry.isDirectory()) { + logger.debug("Ignoring distribution add-on that isn't a file or directory: " + + entry.path); + continue; + } + + if (!gIDTest.test(id)) { + logger.debug("Ignoring distribution add-on whose name is not a valid add-on ID: " + + entry.path); + continue; + } + + let addon; + try { + addon = loadManifestFromFile(entry); + } + catch (e) { + logger.warn("File entry " + entry.path + " contains an invalid add-on", e); + continue; + } + + if (addon.id != id) { + logger.warn("File entry " + entry.path + " contains an add-on with an " + + "incorrect ID") + continue; + } + + let existingEntry = null; + try { + existingEntry = profileLocation.getLocationForID(id); + } + catch (e) { + } + + if (existingEntry) { + let existingAddon; + try { + existingAddon = loadManifestFromFile(existingEntry); + + if (Services.vc.compare(addon.version, existingAddon.version) <= 0) + continue; + } + catch (e) { + // Bad add-on in the profile so just proceed and install over the top + logger.warn("Profile contains an add-on with a bad or missing install " + + "manifest at " + existingEntry.path + ", overwriting", e); + } + } + else if (Preferences.get(PREF_BRANCH_INSTALLED_ADDON + id, false)) { + continue; + } + + // Install the add-on + try { + profileLocation.installAddon(id, entry, null, true); + logger.debug("Installed distribution add-on " + id); + + Services.prefs.setBoolPref(PREF_BRANCH_INSTALLED_ADDON + id, true) + + // aManifests may contain a copy of a newly installed add-on's manifest + // and we'll have overwritten that so instead cache our install manifest + // which will later be put into the database in processFileChanges + if (!(KEY_APP_PROFILE in aManifests)) + aManifests[KEY_APP_PROFILE] = {}; + aManifests[KEY_APP_PROFILE][id] = addon; + changed = true; + } + catch (e) { + logger.error("Failed to install distribution add-on " + entry.path, e); + } + } + + entries.close(); + + return changed; + }, + + /** + * Compares the add-ons that are currently installed to those that were + * known to be installed when the application last ran and applies any + * changes found to the database. Also sends "startupcache-invalidate" signal to + * observerservice if it detects that data may have changed. + * Always called after XPIProviderUtils.js and extensions.json have been loaded. + * + * @param aManifests + * A dictionary of cached AddonInstalls for add-ons that have been + * installed + * @param aUpdateCompatibility + * true to update add-ons appDisabled property when the application + * version has changed + * @param aOldAppVersion + * The version of the application last run with this profile or null + * if it is a new profile or the version is unknown + * @param aOldPlatformVersion + * The version of the platform last run with this profile or null + * if it is a new profile or the version is unknown + * @return a boolean indicating if a change requiring flushing the caches was + * detected + */ + processFileChanges: function XPI_processFileChanges(aManifests, + aUpdateCompatibility, + aOldAppVersion, + aOldPlatformVersion) { + let visibleAddons = {}; + let oldBootstrappedAddons = this.bootstrappedAddons; + this.bootstrappedAddons = {}; + + /** + * Updates an add-on's metadata and determines if a restart of the + * application is necessary. This is called when either the add-on's + * install directory path or last modified time has changed. + * + * @param aInstallLocation + * The install location containing the add-on + * @param aOldAddon + * The AddonInternal as it appeared the last time the application + * ran + * @param aAddonState + * The new state of the add-on + * @return a boolean indicating if flushing caches is required to complete + * changing this add-on + */ + function updateMetadata(aInstallLocation, aOldAddon, aAddonState) { + logger.debug("Add-on " + aOldAddon.id + " modified in " + aInstallLocation.name); + + // Check if there is an updated install manifest for this add-on + let newAddon = aManifests[aInstallLocation.name][aOldAddon.id]; + + try { + // If not load it + if (!newAddon) { + let file = aInstallLocation.getLocationForID(aOldAddon.id); + newAddon = loadManifestFromFile(file); + applyBlocklistChanges(aOldAddon, newAddon); + + // Carry over any pendingUninstall state to add-ons modified directly + // in the profile. This is important when the attempt to remove the + // add-on in processPendingFileChanges failed and caused an mtime + // change to the add-ons files. + newAddon.pendingUninstall = aOldAddon.pendingUninstall; + } + + // The ID in the manifest that was loaded must match the ID of the old + // add-on. + if (newAddon.id != aOldAddon.id) + throw new Error("Incorrect id in install manifest for existing add-on " + aOldAddon.id); + } + catch (e) { + logger.warn("updateMetadata: Add-on " + aOldAddon.id + " is invalid", e); + XPIDatabase.removeAddonMetadata(aOldAddon); + XPIStates.removeAddon(aOldAddon.location, aOldAddon.id); + if (!aInstallLocation.locked) + aInstallLocation.uninstallAddon(aOldAddon.id); + else + logger.warn("Could not uninstall invalid item from locked install location"); + // If this was an active add-on then we must force a restart + if (aOldAddon.active) + return true; + + return false; + } + + // Set the additional properties on the new AddonInternal + newAddon._installLocation = aInstallLocation; + newAddon.updateDate = aAddonState.mtime; + newAddon.visible = !(newAddon.id in visibleAddons); + + // Update the database + let newDBAddon = XPIDatabase.updateAddonMetadata(aOldAddon, newAddon, + aAddonState.descriptor); + if (newDBAddon.visible) { + visibleAddons[newDBAddon.id] = newDBAddon; + // Remember add-ons that were changed during startup + AddonManagerPrivate.addStartupChange(AddonManager.STARTUP_CHANGE_CHANGED, + newDBAddon.id); + + // If this was the active theme and it is now disabled then enable the + // default theme + if (aOldAddon.active && newDBAddon.disabled) + XPIProvider.enableDefaultTheme(); + + // If the new add-on is bootstrapped and active then call its install method + if (newDBAddon.active && newDBAddon.bootstrap) { + // Startup cache must be flushed before calling the bootstrap script + flushStartupCache(); + + let installReason = Services.vc.compare(aOldAddon.version, newDBAddon.version) < 0 ? + BOOTSTRAP_REASONS.ADDON_UPGRADE : + BOOTSTRAP_REASONS.ADDON_DOWNGRADE; + + let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile); + file.persistentDescriptor = aAddonState.descriptor; + XPIProvider.callBootstrapMethod(newDBAddon, file, "install", + installReason, { oldVersion: aOldAddon.version }); + return false; + } + + return true; + } + + return false; + } + + /** + * Updates an add-on's descriptor for when the add-on has moved in the + * filesystem but hasn't changed in any other way. + * + * @param aInstallLocation + * The install location containing the add-on + * @param aOldAddon + * The AddonInternal as it appeared the last time the application + * ran + * @param aAddonState + * The new state of the add-on + * @return a boolean indicating if flushing caches is required to complete + * changing this add-on + */ + function updateDescriptor(aInstallLocation, aOldAddon, aAddonState) { + logger.debug("Add-on " + aOldAddon.id + " moved to " + aAddonState.descriptor); + + aOldAddon.descriptor = aAddonState.descriptor; + aOldAddon.visible = !(aOldAddon.id in visibleAddons); + XPIDatabase.saveChanges(); + + if (aOldAddon.visible) { + visibleAddons[aOldAddon.id] = aOldAddon; + + if (aOldAddon.bootstrap && aOldAddon.active) { + let bootstrap = oldBootstrappedAddons[aOldAddon.id]; + bootstrap.descriptor = aAddonState.descriptor; + XPIProvider.bootstrappedAddons[aOldAddon.id] = bootstrap; + } + + return true; + } + + return false; + } + + /** + * Called when no change has been detected for an add-on's metadata. The + * add-on may have become visible due to other add-ons being removed or + * the add-on may need to be updated when the application version has + * changed. + * + * @param aInstallLocation + * The install location containing the add-on + * @param aOldAddon + * The AddonInternal as it appeared the last time the application + * ran + * @param aAddonState + * The new state of the add-on + * @return a boolean indicating if flushing caches is required to complete + * changing this add-on + */ + function updateVisibilityAndCompatibility(aInstallLocation, aOldAddon, + aAddonState) { + let changed = false; + + // This add-ons metadata has not changed but it may have become visible + if (!(aOldAddon.id in visibleAddons)) { + visibleAddons[aOldAddon.id] = aOldAddon; + + if (!aOldAddon.visible) { + // Remember add-ons that were changed during startup. + AddonManagerPrivate.addStartupChange(AddonManager.STARTUP_CHANGE_CHANGED, + aOldAddon.id); + XPIDatabase.makeAddonVisible(aOldAddon); + + if (aOldAddon.bootstrap) { + // The add-on is bootstrappable so call its install script + let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile); + file.persistentDescriptor = aAddonState.descriptor; + XPIProvider.callBootstrapMethod(aOldAddon, file, + "install", + BOOTSTRAP_REASONS.ADDON_INSTALL); + + // If it should be active then mark it as active otherwise unload + // its scope + if (!aOldAddon.disabled) { + XPIDatabase.updateAddonActive(aOldAddon, true); + } + else { + XPIProvider.unloadBootstrapScope(newAddon.id); + } + } + else { + // Otherwise a restart is necessary + changed = true; + } + } + } + + // App version changed, we may need to update the appDisabled property. + if (aUpdateCompatibility) { + let wasDisabled = aOldAddon.disabled; + let wasAppDisabled = aOldAddon.appDisabled; + let wasUserDisabled = aOldAddon.userDisabled; + let wasSoftDisabled = aOldAddon.softDisabled; + + // This updates the addon's JSON cached data in place + applyBlocklistChanges(aOldAddon, aOldAddon, aOldAppVersion, + aOldPlatformVersion); + aOldAddon.appDisabled = !isUsableAddon(aOldAddon); + + let isDisabled = aOldAddon.disabled; + + // If either property has changed update the database. + if (wasAppDisabled != aOldAddon.appDisabled || + wasUserDisabled != aOldAddon.userDisabled || + wasSoftDisabled != aOldAddon.softDisabled) { + logger.debug("Add-on " + aOldAddon.id + " changed appDisabled state to " + + aOldAddon.appDisabled + ", userDisabled state to " + + aOldAddon.userDisabled + " and softDisabled state to " + + aOldAddon.softDisabled); + XPIDatabase.saveChanges(); + } + + // If this is a visible add-on and it has changed disabled state then we + // may need a restart or to update the bootstrap list. + if (aOldAddon.visible && wasDisabled != isDisabled) { + // Remember add-ons that became disabled or enabled by the application + // change + let change = isDisabled ? AddonManager.STARTUP_CHANGE_DISABLED + : AddonManager.STARTUP_CHANGE_ENABLED; + AddonManagerPrivate.addStartupChange(change, aOldAddon.id); + if (aOldAddon.bootstrap) { + // Update the add-ons active state + XPIDatabase.updateAddonActive(aOldAddon, !isDisabled); + } + else { + changed = true; + } + } + } + + if (aOldAddon.visible && aOldAddon.active && aOldAddon.bootstrap) { + XPIProvider.bootstrappedAddons[aOldAddon.id] = { + version: aOldAddon.version, + type: aOldAddon.type, + descriptor: aAddonState.descriptor, + multiprocessCompatible: aOldAddon.multiprocessCompatible + }; + } + + return changed; + } + + /** + * Called when an add-on has been removed. + * + * @param aOldAddon + * The AddonInternal as it appeared the last time the application + * ran + * @return a boolean indicating if flushing caches is required to complete + * changing this add-on + */ + function removeMetadata(aOldAddon) { + // This add-on has disappeared + logger.debug("Add-on " + aOldAddon.id + " removed from " + aOldAddon.location); + XPIDatabase.removeAddonMetadata(aOldAddon); + + // Remember add-ons that were uninstalled during startup + if (aOldAddon.visible) { + AddonManagerPrivate.addStartupChange(AddonManager.STARTUP_CHANGE_UNINSTALLED, + aOldAddon.id); + } + else if (AddonManager.getStartupChanges(AddonManager.STARTUP_CHANGE_INSTALLED) + .indexOf(aOldAddon.id) != -1) { + AddonManagerPrivate.addStartupChange(AddonManager.STARTUP_CHANGE_CHANGED, + aOldAddon.id); + } + + if (aOldAddon.active) { + // Enable the default theme if the previously active theme has been + // removed + if (aOldAddon.type == "theme") + XPIProvider.enableDefaultTheme(); + + return true; + } + + return false; + } + + /** + * Called to add the metadata for an add-on in one of the install locations + * to the database. This can be called in three different cases. Either an + * add-on has been dropped into the location from outside of Firefox, or + * an add-on has been installed through the application, or the database + * has been upgraded or become corrupt and add-on data has to be reloaded + * into it. + * + * @param aInstallLocation + * The install location containing the add-on + * @param aId + * The ID of the add-on + * @param aAddonState + * The new state of the add-on + * @param aMigrateData + * If during startup the database had to be upgraded this will + * contain data that used to be held about this add-on + * @return a boolean indicating if flushing caches is required to complete + * changing this add-on + */ + function addMetadata(aInstallLocation, aId, aAddonState, aMigrateData) { + logger.debug("New add-on " + aId + " installed in " + aInstallLocation.name); + + let newAddon = null; + let sameVersion = false; + // Check the updated manifests lists for the install location, If there + // is no manifest for the add-on ID then newAddon will be undefined + if (aInstallLocation.name in aManifests) + newAddon = aManifests[aInstallLocation.name][aId]; + + // If we had staged data for this add-on or we aren't recovering from a + // corrupt database and we don't have migration data for this add-on then + // this must be a new install. + let isNewInstall = (!!newAddon) || (!XPIDatabase.activeBundles && !aMigrateData); + + // If it's a new install and we haven't yet loaded the manifest then it + // must be something dropped directly into the install location + let isDetectedInstall = isNewInstall && !newAddon; + + // Load the manifest if necessary and sanity check the add-on ID + try { + if (!newAddon) { + // Load the manifest from the add-on. + let file = aInstallLocation.getLocationForID(aId); + newAddon = loadManifestFromFile(file); + } + // The add-on in the manifest should match the add-on ID. + if (newAddon.id != aId) { + throw new Error("Invalid addon ID: expected addon ID " + aId + + ", found " + newAddon.id + " in manifest"); + } + } + catch (e) { + logger.warn("addMetadata: Add-on " + aId + " is invalid", e); + + // Remove the invalid add-on from the install location if the install + // location isn't locked, no restart will be necessary + if (!aInstallLocation.locked) + aInstallLocation.uninstallAddon(aId); + else + logger.warn("Could not uninstall invalid item from locked install location"); + return false; + } + + // Update the AddonInternal properties. + newAddon._installLocation = aInstallLocation; + newAddon.visible = !(newAddon.id in visibleAddons); + newAddon.installDate = aAddonState.mtime; + newAddon.updateDate = aAddonState.mtime; + newAddon.foreignInstall = isDetectedInstall; + + if (aMigrateData) { + // If there is migration data then apply it. + logger.debug("Migrating data from old database"); + + DB_MIGRATE_METADATA.forEach(function(aProp) { + // A theme's disabled state is determined by the selected theme + // preference which is read in loadManifestFromRDF + if (aProp == "userDisabled" && newAddon.type == "theme") + return; + + if (aProp in aMigrateData) + newAddon[aProp] = aMigrateData[aProp]; + }); + + // Force all non-profile add-ons to be foreignInstalls since they can't + // have been installed through the API + newAddon.foreignInstall |= aInstallLocation.name != KEY_APP_PROFILE; + + // Some properties should only be migrated if the add-on hasn't changed. + // The version property isn't a perfect check for this but covers the + // vast majority of cases. + if (aMigrateData.version == newAddon.version) { + logger.debug("Migrating compatibility info"); + sameVersion = true; + if ("targetApplications" in aMigrateData) + newAddon.applyCompatibilityUpdate(aMigrateData, true); + } + + // Since the DB schema has changed make sure softDisabled is correct + applyBlocklistChanges(newAddon, newAddon, aOldAppVersion, + aOldPlatformVersion); + } + + // The default theme is never a foreign install + if (newAddon.type == "theme" && newAddon.internalName == XPIProvider.defaultSkin) + newAddon.foreignInstall = false; + + if (isDetectedInstall && newAddon.foreignInstall) { + // If the add-on is a foreign install and is in a scope where add-ons + // that were dropped in should default to disabled then disable it + let disablingScopes = Preferences.get(PREF_EM_AUTO_DISABLED_SCOPES, 0); + if (aInstallLocation.scope & disablingScopes) { + logger.warn("Disabling foreign installed add-on " + newAddon.id + " in " + + aInstallLocation.name); + newAddon.userDisabled = true; + } + } + + // If we have a list of what add-ons should be marked as active then use + // it to guess at migration data. + if (!isNewInstall && XPIDatabase.activeBundles) { + // For themes we know which is active by the current skin setting + if (newAddon.type == "theme") + newAddon.active = newAddon.internalName == XPIProvider.currentSkin; + else + newAddon.active = XPIDatabase.activeBundles.indexOf(aAddonState.descriptor) != -1; + + // If the add-on wasn't active and it isn't already disabled in some way + // then it was probably either softDisabled or userDisabled + if (!newAddon.active && newAddon.visible && !newAddon.disabled) { + // If the add-on is softblocked then assume it is softDisabled + if (newAddon.blocklistState == Blocklist.STATE_SOFTBLOCKED) + newAddon.softDisabled = true; + else + newAddon.userDisabled = true; + } + } + else { + newAddon.active = (newAddon.visible && !newAddon.disabled); + } + + let newDBAddon = XPIDatabase.addAddonMetadata(newAddon, aAddonState.descriptor); + + if (newDBAddon.visible) { + // Remember add-ons that were first detected during startup. + if (isDetectedInstall) { + // If a copy from a higher priority location was removed then this + // add-on has changed + if (AddonManager.getStartupChanges(AddonManager.STARTUP_CHANGE_UNINSTALLED) + .indexOf(newDBAddon.id) != -1) { + AddonManagerPrivate.addStartupChange(AddonManager.STARTUP_CHANGE_CHANGED, + newDBAddon.id); + } + else { + AddonManagerPrivate.addStartupChange(AddonManager.STARTUP_CHANGE_INSTALLED, + newDBAddon.id); + } + } + + // Note if any visible add-on is not in the application install location + if (newDBAddon._installLocation.name != KEY_APP_GLOBAL) + XPIProvider.allAppGlobal = false; + + visibleAddons[newDBAddon.id] = newDBAddon; + + let installReason = BOOTSTRAP_REASONS.ADDON_INSTALL; + let extraParams = {}; + + // Copy add-on details (enabled, bootstrap, version, etc) to XPIState. + aAddonState.syncWithDB(newDBAddon); + + // If we're hiding a bootstrapped add-on then call its uninstall method + if (newDBAddon.id in oldBootstrappedAddons) { + let oldBootstrap = oldBootstrappedAddons[newDBAddon.id]; + extraParams.oldVersion = oldBootstrap.version; + XPIProvider.bootstrappedAddons[newDBAddon.id] = oldBootstrap; + + // If the old version is the same as the new version, or we're + // recovering from a corrupt DB, don't call uninstall and install + // methods. + if (sameVersion || !isNewInstall) { + logger.debug("addMetadata: early return, sameVersion " + sameVersion + + ", isNewInstall " + isNewInstall); + return false; + } + + installReason = Services.vc.compare(oldBootstrap.version, newDBAddon.version) < 0 ? + BOOTSTRAP_REASONS.ADDON_UPGRADE : + BOOTSTRAP_REASONS.ADDON_DOWNGRADE; + + let oldAddonFile = Cc["@mozilla.org/file/local;1"]. + createInstance(Ci.nsIFile); + oldAddonFile.persistentDescriptor = oldBootstrap.descriptor; + + XPIProvider.callBootstrapMethod(createAddonDetails(newDBAddon.id, oldBootstrap), + oldAddonFile, "uninstall", installReason, + { newVersion: newDBAddon.version }); + + XPIProvider.unloadBootstrapScope(newDBAddon.id); + + // If the new add-on is bootstrapped then we must flush the caches + // before calling the new bootstrap script + if (newDBAddon.bootstrap) + flushStartupCache(); + } + + if (!newDBAddon.bootstrap) + return true; + + // Visible bootstrapped add-ons need to have their install method called + let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile); + file.persistentDescriptor = aAddonState.descriptor; + XPIProvider.callBootstrapMethod(newDBAddon, file, + "install", installReason, extraParams); + if (!newDBAddon.active) + XPIProvider.unloadBootstrapScope(newDBAddon.id); + } + + return false; + } + + let changed = false; + + // Get all the add-ons in the existing DB and Map them into Sets by install location + let allDBAddons = new Map(); + for (let a of XPIDatabase.getAddons()) { + let locationSet = allDBAddons.get(a.location); + if (!locationSet) { + locationSet = new Set(); + allDBAddons.set(a.location, locationSet); + } + locationSet.add(a); + } + + for (let installLocation of this.installLocations) { + // Get all the on-disk XPI states for this location, and keep track of which + // ones we see in the database. + let states = XPIStates.getLocation(installLocation.name); + let seen = new Set(); + // Iterate through the add-ons installed the last time the application + // ran + let dbAddons = allDBAddons.get(installLocation.name); + if (dbAddons) { + // we've processed this location + allDBAddons.delete(installLocation.name); + + logger.debug("processFileChanges reconciling DB for location ${l} state ${s} db ${d}", + {l: installLocation.name, s: states, d: [for (a of dbAddons) a.id]}); + for (let aOldAddon of dbAddons) { + // If a version of this add-on has been installed in an higher + // priority install location then count it as changed + if (AddonManager.getStartupChanges(AddonManager.STARTUP_CHANGE_INSTALLED) + .indexOf(aOldAddon.id) != -1) { + AddonManagerPrivate.addStartupChange(AddonManager.STARTUP_CHANGE_CHANGED, + aOldAddon.id); + } + + // Check if the add-on is still installed + let xpiState = states && states.get(aOldAddon.id); + if (xpiState) { + // in this block, the add-on is in both XPIStates and the DB + seen.add(xpiState); + + // The add-on has changed if the modification time has changed, or + // we have an updated manifest for it. Also reload the metadata for + // add-ons in the application directory when the application version + // has changed + if (aOldAddon.id in aManifests[installLocation.name] || + aOldAddon.updateDate != xpiState.mtime || + (aUpdateCompatibility && installLocation.name == KEY_APP_GLOBAL)) { + changed = updateMetadata(installLocation, aOldAddon, xpiState) || + changed; + } + else if (aOldAddon.descriptor != xpiState.descriptor) { + changed = updateDescriptor(installLocation, aOldAddon, xpiState) || + changed; + } + else { + changed = updateMetadata(installLocation, aOldAddon, xpiState) || + changed; + + changed = updateVisibilityAndCompatibility(installLocation, + aOldAddon, xpiState) || + changed; + } + if (aOldAddon.visible && aOldAddon._installLocation.name != KEY_APP_GLOBAL) + XPIProvider.allAppGlobal = false; + // Copy add-on details (enabled, bootstrap, version, etc) to XPIState. + xpiState.syncWithDB(aOldAddon); + } + else { + // The add-on is in the DB, but not in xpiState (and thus not on disk). + changed = removeMetadata(aOldAddon) || changed; + } + } + } + + // Any add-on in our current location that we haven't seen needs to + // be added to the database. + // Get the migration data for this install location so we can include that as + // we add, in case this is a database upgrade or rebuild. + let locMigrateData = {}; + if (XPIDatabase.migrateData && installLocation.name in XPIDatabase.migrateData) + locMigrateData = XPIDatabase.migrateData[installLocation.name]; + if (states) { + for (let [id, xpiState] of states) { + if (!seen.has(xpiState)) { + changed = addMetadata(installLocation, id, xpiState, + (locMigrateData[id] || null)) || changed; + } + } + } + } + + // Anything left in allDBAddons is a location where the database contains add-ons, + // but the browser is no longer configured to use that location. The metadata for those + // add-ons must be removed from the database. + for (let [locationName, addons] of allDBAddons) { + logger.debug("Removing orphaned DB add-on entries from " + locationName); + for (let a of addons) { + logger.debug("Remove ${location}:${id}", a); + changed = removeMetadata(a) || changed; + } + } + + XPIStates.save(); + this.persistBootstrappedAddons(); + + // Clear out any cached migration data. + XPIDatabase.migrateData = null; + + return changed; + }, + + /** + * Imports the xpinstall permissions from preferences into the permissions + * manager for the user to change later. + */ + importPermissions: function XPI_importPermissions() { + PermissionsUtils.importFromPrefs(PREF_XPI_PERMISSIONS_BRANCH, + XPI_PERMISSION); + }, + + /** + * Checks for any changes that have occurred since the last time the + * application was launched. + * + * @param aAppChanged + * A tri-state value. Undefined means the current profile was created + * for this session, true means the profile already existed but was + * last used with an application with a different version number, + * false means that the profile was last used by this version of the + * application. + * @param aOldAppVersion + * The version of the application last run with this profile or null + * if it is a new profile or the version is unknown + * @param aOldPlatformVersion + * The version of the platform last run with this profile or null + * if it is a new profile or the version is unknown + * @return true if a change requiring a restart was detected + */ + checkForChanges: function XPI_checkForChanges(aAppChanged, aOldAppVersion, + aOldPlatformVersion) { + logger.debug("checkForChanges"); + + // Keep track of whether and why we need to open and update the database at + // startup time. + let updateReasons = []; + if (aAppChanged) { + updateReasons.push("appChanged"); + } + + // Load the list of bootstrapped add-ons first so processFileChanges can + // modify it + // XXX eventually get rid of bootstrappedAddons + try { + this.bootstrappedAddons = JSON.parse(Preferences.get(PREF_BOOTSTRAP_ADDONS, + "{}")); + } catch (e) { + logger.warn("Error parsing enabled bootstrapped extensions cache", e); + } + + // First install any new add-ons into the locations, if there are any + // changes then we must update the database with the information in the + // install locations + let manifests = {}; + let updated = this.processPendingFileChanges(manifests); + if (updated) { + updateReasons.push("pendingFileChanges"); + } + + // This will be true if the previous session made changes that affect the + // active state of add-ons but didn't commit them properly (normally due + // to the application crashing) + let hasPendingChanges = Preferences.get(PREF_PENDING_OPERATIONS); + if (hasPendingChanges) { + updateReasons.push("hasPendingChanges"); + } + + // If the application has changed then check for new distribution add-ons + if (aAppChanged !== false && + Preferences.get(PREF_INSTALL_DISTRO_ADDONS, true)) + { + updated = this.installDistributionAddons(manifests); + if (updated) { + updateReasons.push("installDistributionAddons"); + } + } + + // Telemetry probe added around getInstallState() to check perf + let telemetryCaptureTime = Cu.now(); + let installChanged = XPIStates.getInstallState(); + let telemetry = Services.telemetry; + telemetry.getHistogramById("CHECK_ADDONS_MODIFIED_MS").add(Math.round(Cu.now() - telemetryCaptureTime)); + if (installChanged) { + updateReasons.push("directoryState"); + } + + let haveAnyAddons = (XPIStates.size > 0); + + // If the schema appears to have changed then we should update the database + if (DB_SCHEMA != Preferences.get(PREF_DB_SCHEMA, 0)) { + // If we don't have any add-ons, just update the pref, since we don't need to + // write the database + if (!haveAnyAddons) { + logger.debug("Empty XPI database, setting schema version preference to " + DB_SCHEMA); + Services.prefs.setIntPref(PREF_DB_SCHEMA, DB_SCHEMA); + } + else { + updateReasons.push("schemaChanged"); + } + } + + // If the database doesn't exist and there are add-ons installed then we + // must update the database however if there are no add-ons then there is + // no need to update the database. + let dbFile = FileUtils.getFile(KEY_PROFILEDIR, [FILE_DATABASE], true); + if (!dbFile.exists() && haveAnyAddons) { + updateReasons.push("needNewDatabase"); + } + + // XXX This will go away when we fold bootstrappedAddons into XPIStates. + if (updateReasons.length == 0) { + let bootstrapDescriptors = new Set([for (b of Object.keys(this.bootstrappedAddons)) + this.bootstrappedAddons[b].descriptor]); + + for (let location of XPIStates.db.values()) { + for (let state of location.values()) { + bootstrapDescriptors.delete(state.descriptor); + } + } + + if (bootstrapDescriptors.size > 0) { + logger.warn("Bootstrap state is invalid (missing add-ons: " + + [for (b of bootstrapDescriptors) b] + ")"); + updateReasons.push("missingBootstrapAddon"); + } + } + + // Catch and log any errors during the main startup + try { + let extensionListChanged = false; + // If the database needs to be updated then open it and then update it + // from the filesystem + if (updateReasons.length > 0) { + AddonManagerPrivate.recordSimpleMeasure("XPIDB_startup_load_reasons", updateReasons); + XPIDatabase.syncLoadDB(false); + try { + extensionListChanged = this.processFileChanges(manifests, + aAppChanged, + aOldAppVersion, + aOldPlatformVersion); + } + catch (e) { + logger.error("Failed to process extension changes at startup", e); + } + } + + if (aAppChanged) { + // When upgrading the app and using a custom skin make sure it is still + // compatible otherwise switch back the default + if (this.currentSkin != this.defaultSkin) { + let oldSkin = XPIDatabase.getVisibleAddonForInternalName(this.currentSkin); + if (!oldSkin || oldSkin.disabled) + this.enableDefaultTheme(); + } + + // When upgrading remove the old extensions cache to force older + // versions to rescan the entire list of extensions + try { + let oldCache = FileUtils.getFile(KEY_PROFILEDIR, [FILE_OLD_CACHE], true); + if (oldCache.exists()) + oldCache.remove(true); + } + catch (e) { + logger.warn("Unable to remove old extension cache " + oldCache.path, e); + } + } + + // If the application crashed before completing any pending operations then + // we should perform them now. + if (extensionListChanged || hasPendingChanges) { + logger.debug("Updating database with changes to installed add-ons"); + XPIDatabase.updateActiveAddons(); + Services.prefs.setBoolPref(PREF_PENDING_OPERATIONS, + !XPIDatabase.writeAddonsList()); + Services.prefs.setCharPref(PREF_BOOTSTRAP_ADDONS, + JSON.stringify(this.bootstrappedAddons)); + return true; + } + + logger.debug("No changes found"); + } + catch (e) { + logger.error("Error during startup file checks", e); + } + + // Check that the add-ons list still exists + let addonsList = FileUtils.getFile(KEY_PROFILEDIR, [FILE_XPI_ADDONS_LIST], + true); + // the addons list file should exist if and only if we have add-ons installed + if (addonsList.exists() != haveAnyAddons) { + logger.debug("Add-ons list is invalid, rebuilding"); + XPIDatabase.writeAddonsList(); + } + + return false; + }, + + /** + * Called to test whether this provider supports installing a particular + * mimetype. + * + * @param aMimetype + * The mimetype to check for + * @return true if the mimetype is application/x-xpinstall + */ + supportsMimetype: function XPI_supportsMimetype(aMimetype) { + return aMimetype == "application/x-xpinstall"; + }, + + /** + * Called to test whether installing XPI add-ons is enabled. + * + * @return true if installing is enabled + */ + isInstallEnabled: function XPI_isInstallEnabled() { + // Default to enabled if the preference does not exist + return Preferences.get(PREF_XPI_ENABLED, true); + }, + + /** + * Called to test whether installing XPI add-ons by direct URL requests is + * whitelisted. + * + * @return true if installing by direct requests is whitelisted + */ + isDirectRequestWhitelisted: function XPI_isDirectRequestWhitelisted() { + // Default to whitelisted if the preference does not exist. + return Preferences.get(PREF_XPI_DIRECT_WHITELISTED, true); + }, + + /** + * Called to test whether installing XPI add-ons from file referrers is + * whitelisted. + * + * @return true if installing from file referrers is whitelisted + */ + isFileRequestWhitelisted: function XPI_isFileRequestWhitelisted() { + // Default to whitelisted if the preference does not exist. + return Preferences.get(PREF_XPI_FILE_WHITELISTED, true); + }, + + /** + * Called to test whether installing XPI add-ons from a URI is allowed. + * + * @param aInstallingPrincipal + * The nsIPrincipal that initiated the install + * @return true if installing is allowed + */ + isInstallAllowed: function XPI_isInstallAllowed(aInstallingPrincipal) { + if (!this.isInstallEnabled()) + return false; + + let uri = aInstallingPrincipal.URI; + + // Direct requests without a referrer are either whitelisted or blocked. + if (!uri) + return this.isDirectRequestWhitelisted(); + + // Local referrers can be whitelisted. + if (this.isFileRequestWhitelisted() && + (uri.schemeIs("chrome") || uri.schemeIs("file"))) + return true; + + this.importPermissions(); + + let permission = Services.perms.testPermissionFromPrincipal(aInstallingPrincipal, XPI_PERMISSION); + if (permission == Ci.nsIPermissionManager.DENY_ACTION) + return false; + + let requireWhitelist = Preferences.get(PREF_XPI_WHITELIST_REQUIRED, true); + if (requireWhitelist && (permission != Ci.nsIPermissionManager.ALLOW_ACTION)) + return false; + + let requireSecureOrigin = Preferences.get(PREF_INSTALL_REQUIRESECUREORIGIN, true); + let safeSchemes = ["https", "chrome", "file"]; + if (requireSecureOrigin && safeSchemes.indexOf(uri.scheme) == -1) + return false; + + return true; + }, + + /** + * Called to get an AddonInstall to download and install an add-on from a URL. + * + * @param aUrl + * The URL to be installed + * @param aHash + * A hash for the install + * @param aName + * A name for the install + * @param aIcons + * Icon URLs for the install + * @param aVersion + * A version for the install + * @param aBrowser + * The browser performing the install + * @param aCallback + * A callback to pass the AddonInstall to + */ + getInstallForURL: function XPI_getInstallForURL(aUrl, aHash, aName, aIcons, + aVersion, aBrowser, aCallback) { + AddonInstall.createDownload(function getInstallForURL_createDownload(aInstall) { + aCallback(aInstall.wrapper); + }, aUrl, aHash, aName, aIcons, aVersion, aBrowser); + }, + + /** + * Called to get an AddonInstall to install an add-on from a local file. + * + * @param aFile + * The file to be installed + * @param aCallback + * A callback to pass the AddonInstall to + */ + getInstallForFile: function XPI_getInstallForFile(aFile, aCallback) { + AddonInstall.createInstall(function getInstallForFile_createInstall(aInstall) { + if (aInstall) + aCallback(aInstall.wrapper); + else + aCallback(null); + }, aFile); + }, + + /** + * Removes an AddonInstall from the list of active installs. + * + * @param install + * The AddonInstall to remove + */ + removeActiveInstall: function XPI_removeActiveInstall(aInstall) { + let where = this.installs.indexOf(aInstall); + if (where == -1) { + logger.warn("removeActiveInstall: could not find active install for " + + aInstall.sourceURI.spec); + return; + } + this.installs.splice(where, 1); + }, + + /** + * Called to get an Addon with a particular ID. + * + * @param aId + * The ID of the add-on to retrieve + * @param aCallback + * A callback to pass the Addon to + */ + getAddonByID: function XPI_getAddonByID(aId, aCallback) { + XPIDatabase.getVisibleAddonForID (aId, function getAddonByID_getVisibleAddonForID(aAddon) { + aCallback(createWrapper(aAddon)); + }); + }, + + /** + * Called to get Addons of a particular type. + * + * @param aTypes + * An array of types to fetch. Can be null to get all types. + * @param aCallback + * A callback to pass an array of Addons to + */ + getAddonsByTypes: function XPI_getAddonsByTypes(aTypes, aCallback) { + XPIDatabase.getVisibleAddons(aTypes, function getAddonsByTypes_getVisibleAddons(aAddons) { + // Tycho: aCallback([createWrapper(a) for each (a in aAddons)]); + let result = []; + for each(let a in aAddons) { + result.push(createWrapper(a)); + } + aCallback(result); + }); + }, + + /** + * Obtain an Addon having the specified Sync GUID. + * + * @param aGUID + * String GUID of add-on to retrieve + * @param aCallback + * A callback to pass the Addon to. Receives null if not found. + */ + getAddonBySyncGUID: function XPI_getAddonBySyncGUID(aGUID, aCallback) { + XPIDatabase.getAddonBySyncGUID(aGUID, function getAddonBySyncGUID_getAddonBySyncGUID(aAddon) { + aCallback(createWrapper(aAddon)); + }); + }, + + /** + * Called to get Addons that have pending operations. + * + * @param aTypes + * An array of types to fetch. Can be null to get all types + * @param aCallback + * A callback to pass an array of Addons to + */ + getAddonsWithOperationsByTypes: + function XPI_getAddonsWithOperationsByTypes(aTypes, aCallback) { + XPIDatabase.getVisibleAddonsWithPendingOperations(aTypes, + function getAddonsWithOpsByTypes_getVisibleAddonsWithPendingOps(aAddons) { + // Tycho: let results = [createWrapper(a) for each (a in aAddons)]; + let results = []; + for each(let a in aAddons) { + results.push(createWrapper(a)); + } + + XPIProvider.installs.forEach(function(aInstall) { + if (aInstall.state == AddonManager.STATE_INSTALLED && + !(aInstall.addon.inDatabase)) + results.push(createWrapper(aInstall.addon)); + }); + aCallback(results); + }); + }, + + /** + * Called to get the current AddonInstalls, optionally limiting to a list of + * types. + * + * @param aTypes + * An array of types or null to get all types + * @param aCallback + * A callback to pass the array of AddonInstalls to + */ + getInstallsByTypes: function XPI_getInstallsByTypes(aTypes, aCallback) { + let results = []; + this.installs.forEach(function(aInstall) { + if (!aTypes || aTypes.indexOf(aInstall.type) >= 0) + results.push(aInstall.wrapper); + }); + aCallback(results); + }, + + /** + * Synchronously map a URI to the corresponding Addon ID. + * + * Mappable URIs are limited to in-application resources belonging to the + * add-on, such as Javascript compartments, XUL windows, XBL bindings, etc. + * but do not include URIs from meta data, such as the add-on homepage. + * + * @param aURI + * nsIURI to map or null + * @return string containing the Addon ID + * @see AddonManager.mapURIToAddonID + * @see amIAddonManager.mapURIToAddonID + */ + mapURIToAddonID: function XPI_mapURIToAddonID(aURI) { + let resolved = this._resolveURIToFile(aURI); + if (!resolved || !(resolved instanceof Ci.nsIFileURL)) + return null; + + for (let [id, path] of this._addonFileMap) { + if (resolved.file.path.startsWith(path)) + return id; + } + + return null; + }, + + /** + * Called when a new add-on has been enabled when only one add-on of that type + * can be enabled. + * + * @param aId + * The ID of the newly enabled add-on + * @param aType + * The type of the newly enabled add-on + * @param aPendingRestart + * true if the newly enabled add-on will only become enabled after a + * restart + */ + addonChanged: function XPI_addonChanged(aId, aType, aPendingRestart) { + // We only care about themes in this provider + if (aType != "theme") + return; + + if (!aId) { + // Fallback to the default theme when no theme was enabled + this.enableDefaultTheme(); + return; + } + + // Look for the previously enabled theme and find the internalName of the + // currently selected theme + let previousTheme = null; + let newSkin = this.defaultSkin; + let addons = XPIDatabase.getAddonsByType("theme"); + addons.forEach(function(aTheme) { + if (!aTheme.visible) + return; + if (aTheme.id == aId) + newSkin = aTheme.internalName; + else if (aTheme.userDisabled == false && !aTheme.pendingUninstall) + previousTheme = aTheme; + }, this); + + if (aPendingRestart) { + Services.prefs.setBoolPref(PREF_DSS_SWITCHPENDING, true); + Services.prefs.setCharPref(PREF_DSS_SKIN_TO_SELECT, newSkin); + } + else if (newSkin == this.currentSkin) { + try { + Services.prefs.clearUserPref(PREF_DSS_SWITCHPENDING); + } + catch (e) { } + try { + Services.prefs.clearUserPref(PREF_DSS_SKIN_TO_SELECT); + } + catch (e) { } + } + else { + Services.prefs.setCharPref(PREF_GENERAL_SKINS_SELECTEDSKIN, newSkin); + this.currentSkin = newSkin; + } + this.selectedSkin = newSkin; + + // Flush the preferences to disk so they don't get out of sync with the + // database + Services.prefs.savePrefFile(null); + + // Mark the previous theme as disabled. This won't cause recursion since + // only enabled calls notifyAddonChanged. + if (previousTheme) + this.updateAddonDisabledState(previousTheme, true); + }, + + /** + * Update the appDisabled property for all add-ons. + */ + updateAddonAppDisabledStates: function XPI_updateAddonAppDisabledStates() { + let addons = XPIDatabase.getAddons(); + addons.forEach(function(aAddon) { + this.updateAddonDisabledState(aAddon); + }, this); + }, + + /** + * Update the repositoryAddon property for all add-ons. + * + * @param aCallback + * Function to call when operation is complete. + */ + updateAddonRepositoryData: function XPI_updateAddonRepositoryData(aCallback) { + let self = this; + XPIDatabase.getVisibleAddons(null, function UARD_getVisibleAddonsCallback(aAddons) { + let pending = aAddons.length; + logger.debug("updateAddonRepositoryData found " + pending + " visible add-ons"); + if (pending == 0) { + aCallback(); + return; + } + + function notifyComplete() { + if (--pending == 0) + aCallback(); + } + + for (let addon of aAddons) { + AddonRepository.getCachedAddonByID(addon.id, + function UARD_getCachedAddonCallback(aRepoAddon) { + if (aRepoAddon) { + logger.debug("updateAddonRepositoryData got info for " + addon.id); + addon._repositoryAddon = aRepoAddon; + addon.compatibilityOverrides = aRepoAddon.compatibilityOverrides; + self.updateAddonDisabledState(addon); + } + + notifyComplete(); + }); + }; + }); + }, + + /** + * When the previously selected theme is removed this method will be called + * to enable the default theme. + */ + enableDefaultTheme: function XPI_enableDefaultTheme() { + logger.debug("Activating default theme"); + let addon = XPIDatabase.getVisibleAddonForInternalName(this.defaultSkin); + if (addon) { + if (addon.userDisabled) { + this.updateAddonDisabledState(addon, false); + } + else if (!this.extensionsActive) { + // During startup we may end up trying to enable the default theme when + // the database thinks it is already enabled (see f.e. bug 638847). In + // this case just force the theme preferences to be correct + Services.prefs.setCharPref(PREF_GENERAL_SKINS_SELECTEDSKIN, + addon.internalName); + this.currentSkin = this.selectedSkin = addon.internalName; + Preferences.reset(PREF_DSS_SKIN_TO_SELECT); + Preferences.reset(PREF_DSS_SWITCHPENDING); + } + else { + logger.warn("Attempting to activate an already active default theme"); + } + } + else { + logger.warn("Unable to activate the default theme"); + } + }, + + onDebugConnectionChange: function(aEvent, aWhat, aConnection) { + if (aWhat != "opened") + return; + + for (let id of Object.keys(this.bootstrapScopes)) { + aConnection.setAddonOptions(id, { global: this.bootstrapScopes[id] }); + } + }, + + /** + * Notified when a preference we're interested in has changed. + * + * @see nsIObserver + */ + observe: function XPI_observe(aSubject, aTopic, aData) { + if (aTopic == NOTIFICATION_FLUSH_PERMISSIONS) { + if (!aData || aData == XPI_PERMISSION) { + this.importPermissions(); + } + return; + } + else if (aTopic == NOTIFICATION_TOOLBOXPROCESS_LOADED) { + Services.obs.removeObserver(this, NOTIFICATION_TOOLBOXPROCESS_LOADED, false); + this._toolboxProcessLoaded = true; + BrowserToolboxProcess.on("connectionchange", + this.onDebugConnectionChange.bind(this)); + } + + if (aTopic == "nsPref:changed") { + switch (aData) { + case PREF_EM_MIN_COMPAT_APP_VERSION: + case PREF_EM_MIN_COMPAT_PLATFORM_VERSION: + this.minCompatibleAppVersion = Preferences.get(PREF_EM_MIN_COMPAT_APP_VERSION, + null); + this.minCompatiblePlatformVersion = Preferences.get(PREF_EM_MIN_COMPAT_PLATFORM_VERSION, + null); + this.updateAddonAppDisabledStates(); + break; + } + } + }, + + /** + * Tests whether enabling an add-on will require a restart. + * + * @param aAddon + * The add-on to test + * @return true if the operation requires a restart + */ + enableRequiresRestart: function XPI_enableRequiresRestart(aAddon) { + // If the platform couldn't have activated extensions then we can make + // changes without any restart. + if (!this.extensionsActive) + return false; + + // If the application is in safe mode then any change can be made without + // restarting + if (Services.appinfo.inSafeMode) + return false; + + // Anything that is active is already enabled + if (aAddon.active) + return false; + + if (aAddon.type == "theme") { + // If dynamic theme switching is enabled then switching themes does not + // require a restart + if (Preferences.get(PREF_EM_DSS_ENABLED)) + return false; + + // If the theme is already the theme in use then no restart is necessary. + // This covers the case where the default theme is in use but a + // lightweight theme is considered active. + return aAddon.internalName != this.currentSkin; + } + + return !aAddon.bootstrap; + }, + + /** + * Tests whether disabling an add-on will require a restart. + * + * @param aAddon + * The add-on to test + * @return true if the operation requires a restart + */ + disableRequiresRestart: function XPI_disableRequiresRestart(aAddon) { + // If the platform couldn't have activated up extensions then we can make + // changes without any restart. + if (!this.extensionsActive) + return false; + + // If the application is in safe mode then any change can be made without + // restarting + if (Services.appinfo.inSafeMode) + return false; + + // Anything that isn't active is already disabled + if (!aAddon.active) + return false; + + if (aAddon.type == "theme") { + // If dynamic theme switching is enabled then switching themes does not + // require a restart + if (Preferences.get(PREF_EM_DSS_ENABLED)) + return false; + + // Non-default themes always require a restart to disable since it will + // be switching from one theme to another or to the default theme and a + // lightweight theme. + if (aAddon.internalName != this.defaultSkin) + return true; + + // The default theme requires a restart to disable if we are in the + // process of switching to a different theme. Note that this makes the + // disabled flag of operationsRequiringRestart incorrect for the default + // theme (it will be false most of the time). Bug 520124 would be required + // to fix it. For the UI this isn't a problem since we never try to + // disable or uninstall the default theme. + return this.selectedSkin != this.currentSkin; + } + + return !aAddon.bootstrap; + }, + + /** + * Tests whether installing an add-on will require a restart. + * + * @param aAddon + * The add-on to test + * @return true if the operation requires a restart + */ + installRequiresRestart: function XPI_installRequiresRestart(aAddon) { + // If the platform couldn't have activated up extensions then we can make + // changes without any restart. + if (!this.extensionsActive) + return false; + + // If the application is in safe mode then any change can be made without + // restarting + if (Services.appinfo.inSafeMode) + return false; + + // Add-ons that are already installed don't require a restart to install. + // This wouldn't normally be called for an already installed add-on (except + // for forming the operationsRequiringRestart flags) so is really here as + // a safety measure. + if (aAddon.inDatabase) + return false; + + // If we have an AddonInstall for this add-on then we can see if there is + // an existing installed add-on with the same ID + if ("_install" in aAddon && aAddon._install) { + // If there is an existing installed add-on and uninstalling it would + // require a restart then installing the update will also require a + // restart + let existingAddon = aAddon._install.existingAddon; + if (existingAddon && this.uninstallRequiresRestart(existingAddon)) + return true; + } + + // If the add-on is not going to be active after installation then it + // doesn't require a restart to install. + if (aAddon.disabled) + return false; + + // Themes will require a restart (even if dynamic switching is enabled due + // to some caching issues) and non-bootstrapped add-ons will require a + // restart + return aAddon.type == "theme" || !aAddon.bootstrap; + }, + + /** + * Tests whether uninstalling an add-on will require a restart. + * + * @param aAddon + * The add-on to test + * @return true if the operation requires a restart + */ + uninstallRequiresRestart: function XPI_uninstallRequiresRestart(aAddon) { + // If the platform couldn't have activated up extensions then we can make + // changes without any restart. + if (!this.extensionsActive) + return false; + + // If the application is in safe mode then any change can be made without + // restarting + if (Services.appinfo.inSafeMode) + return false; + + // If the add-on can be disabled without a restart then it can also be + // uninstalled without a restart + return this.disableRequiresRestart(aAddon); + }, + + /** + * Loads a bootstrapped add-on's bootstrap.js into a sandbox and the reason + * values as constants in the scope. This will also add information about the + * add-on to the bootstrappedAddons dictionary and notify the crash reporter + * that new add-ons have been loaded. + * + * @param aId + * The add-on's ID + * @param aFile + * The nsIFile for the add-on + * @param aVersion + * The add-on's version + * @param aType + * The type for the add-on + * @param aMultiprocessCompatible + * Boolean indicating whether the add-on is compatible with electrolysis. + * @return a JavaScript scope + */ + loadBootstrapScope: function XPI_loadBootstrapScope(aId, aFile, aVersion, aType, + aMultiprocessCompatible) { + // Mark the add-on as active for the crash reporter before loading + this.bootstrappedAddons[aId] = { + version: aVersion, + type: aType, + descriptor: aFile.persistentDescriptor, + multiprocessCompatible: aMultiprocessCompatible + }; + this.persistBootstrappedAddons(); + this.addAddonsToCrashReporter(); + + // Locales only contain chrome and can't have bootstrap scripts + if (aType == "locale") { + this.bootstrapScopes[aId] = null; + return; + } + + logger.debug("Loading bootstrap scope from " + aFile.path); + + let principal = Cc["@mozilla.org/systemprincipal;1"]. + createInstance(Ci.nsIPrincipal); + if (!aMultiprocessCompatible && Preferences.get(PREF_INTERPOSITION_ENABLED, false)) { + let interposition = Cc["@mozilla.org/addons/multiprocess-shims;1"]. + getService(Ci.nsIAddonInterposition); + Cu.setAddonInterposition(aId, interposition); + } + + if (!aFile.exists()) { + this.bootstrapScopes[aId] = + new Cu.Sandbox(principal, { sandboxName: aFile.path, + wantGlobalProperties: ["indexedDB"], + addonId: aId, + metadata: { addonID: aId } }); + logger.error("Attempted to load bootstrap scope from missing directory " + aFile.path); + return; + } + + let uri = getURIForResourceInFile(aFile, "bootstrap.js").spec; + if (aType == "dictionary") + uri = "resource://gre/modules/addons/SpellCheckDictionaryBootstrap.js" + + this.bootstrapScopes[aId] = + new Cu.Sandbox(principal, { sandboxName: uri, + wantGlobalProperties: ["indexedDB"], + addonId: aId, + metadata: { addonID: aId, URI: uri } }); + + let loader = Cc["@mozilla.org/moz/jssubscript-loader;1"]. + createInstance(Ci.mozIJSSubScriptLoader); + + try { + // Copy the reason values from the global object into the bootstrap scope. + for (let name in BOOTSTRAP_REASONS) + this.bootstrapScopes[aId][name] = BOOTSTRAP_REASONS[name]; + + // Add other stuff that extensions want. + const features = [ "Worker", "ChromeWorker" ]; + + for (let feature of features) + this.bootstrapScopes[aId][feature] = gGlobalScope[feature]; + + // Define a console for the add-on + this.bootstrapScopes[aId]["console"] = new ConsoleAPI({ consoleID: "addon/" + aId }); + + // As we don't want our caller to control the JS version used for the + // bootstrap file, we run loadSubScript within the context of the + // sandbox with the latest JS version set explicitly. + this.bootstrapScopes[aId].__SCRIPT_URI_SPEC__ = uri; + Components.utils.evalInSandbox( + "Components.classes['@mozilla.org/moz/jssubscript-loader;1'] \ + .createInstance(Components.interfaces.mozIJSSubScriptLoader) \ + .loadSubScript(__SCRIPT_URI_SPEC__);", this.bootstrapScopes[aId], "ECMAv5"); + } + catch (e) { + logger.warn("Error loading bootstrap.js for " + aId, e); + } + + // Only access BrowserToolboxProcess if ToolboxProcess.jsm has been + // initialized as otherwise, when it will be initialized, all addons' + // globals will be added anyways + if (this._toolboxProcessLoaded) { + BrowserToolboxProcess.setAddonOptions(aId, { global: this.bootstrapScopes[aId] }); + } + }, + + /** + * Unloads a bootstrap scope by dropping all references to it and then + * updating the list of active add-ons with the crash reporter. + * + * @param aId + * The add-on's ID + */ + unloadBootstrapScope: function XPI_unloadBootstrapScope(aId) { + // In case the add-on was not multiprocess-compatible, deregister + // any interpositions for it. + Cu.setAddonInterposition(aId, null); + + delete this.bootstrapScopes[aId]; + delete this.bootstrappedAddons[aId]; + this.persistBootstrappedAddons(); + this.addAddonsToCrashReporter(); + + // Only access BrowserToolboxProcess if ToolboxProcess.jsm has been + // initialized as otherwise, there won't be any addon globals added to it + if (this._toolboxProcessLoaded) { + BrowserToolboxProcess.setAddonOptions(aId, { global: null }); + } + }, + + /** + * Calls a bootstrap method for an add-on. + * + * @param aAddon + * An object representing the add-on, with `id`, `type` and `version` + * @param aFile + * The nsIFile for the add-on + * @param aMethod + * The name of the bootstrap method to call + * @param aReason + * The reason flag to pass to the bootstrap's startup method + * @param aExtraParams + * An object of additional key/value pairs to pass to the method in + * the params argument + */ + callBootstrapMethod: function XPI_callBootstrapMethod(aAddon, aFile, aMethod, aReason, aExtraParams) { + // Never call any bootstrap methods in safe mode + if (Services.appinfo.inSafeMode) + return; + + if (!aAddon.id || !aAddon.version || !aAddon.type) { + logger.error(new Error("aAddon must include an id, version, and type")); + return; + } + + let timeStart = new Date(); + if (aMethod == "startup") { + logger.debug("Registering manifest for " + aFile.path); + Components.manager.addBootstrappedManifestLocation(aFile); + } + + try { + // Load the scope if it hasn't already been loaded + if (!(aAddon.id in this.bootstrapScopes)) + this.loadBootstrapScope(aAddon.id, aFile, aAddon.version, aAddon.type, + aAddon.multiprocessCompatible || false); + + // Nothing to call for locales + if (aAddon.type == "locale") + return; + + if (!(aMethod in this.bootstrapScopes[aAddon.id])) { + logger.warn("Add-on " + aAddon.id + " is missing bootstrap method " + aMethod); + return; + } + + let params = { + id: aAddon.id, + version: aAddon.version, + installPath: aFile.clone(), + resourceURI: getURIForResourceInFile(aFile, "") + }; + + if (aExtraParams) { + for (let key in aExtraParams) { + params[key] = aExtraParams[key]; + } + } + + logger.debug("Calling bootstrap method " + aMethod + " on " + aAddon.id + " version " + + aAddon.version); + try { + this.bootstrapScopes[aAddon.id][aMethod](params, aReason); + } + catch (e) { + logger.warn("Exception running bootstrap method " + aMethod + " on " + aAddon.id, e); + } + } + finally { + if (aMethod == "shutdown" && aReason != BOOTSTRAP_REASONS.APP_SHUTDOWN) { + logger.debug("Removing manifest for " + aFile.path); + Components.manager.removeBootstrappedManifestLocation(aFile); + + let manifest = getURIForResourceInFile(aFile, "chrome.manifest"); + for (let line of ChromeManifestParser.parseSync(manifest)) { + if (line.type == "resource") { + ResProtocolHandler.setSubstitution(line.args[0], null); + } + } + } + } + }, + + /** + * Updates the disabled state for an add-on. Its appDisabled property will be + * calculated and if the add-on is changed the database will be saved and + * appropriate notifications will be sent out to the registered AddonListeners. + * + * @param aAddon + * The DBAddonInternal to update + * @param aUserDisabled + * Value for the userDisabled property. If undefined the value will + * not change + * @param aSoftDisabled + * Value for the softDisabled property. If undefined the value will + * not change. If true this will force userDisabled to be true + * @throws if addon is not a DBAddonInternal + */ + updateAddonDisabledState: function XPI_updateAddonDisabledState(aAddon, + aUserDisabled, + aSoftDisabled) { + if (!(aAddon.inDatabase)) + throw new Error("Can only update addon states for installed addons."); + if (aUserDisabled !== undefined && aSoftDisabled !== undefined) { + throw new Error("Cannot change userDisabled and softDisabled at the " + + "same time"); + } + + if (aUserDisabled === undefined) { + aUserDisabled = aAddon.userDisabled; + } + else if (!aUserDisabled) { + // If enabling the add-on then remove softDisabled + aSoftDisabled = false; + } + + // If not changing softDisabled or the add-on is already userDisabled then + // use the existing value for softDisabled + if (aSoftDisabled === undefined || aUserDisabled) + aSoftDisabled = aAddon.softDisabled; + + let appDisabled = !isUsableAddon(aAddon); + // No change means nothing to do here + if (aAddon.userDisabled == aUserDisabled && + aAddon.appDisabled == appDisabled && + aAddon.softDisabled == aSoftDisabled) + return; + + let wasDisabled = aAddon.disabled; + let isDisabled = aUserDisabled || aSoftDisabled || appDisabled; + + // If appDisabled changes but addon.disabled doesn't, + // no onDisabling/onEnabling is sent - so send a onPropertyChanged. + let appDisabledChanged = aAddon.appDisabled != appDisabled; + + // Update the properties in the database. + // We never persist this for experiments because the disabled flags + // are controlled by the Experiments Manager. + if (aAddon.type != "experiment") { + XPIDatabase.setAddonProperties(aAddon, { + userDisabled: aUserDisabled, + appDisabled: appDisabled, + softDisabled: aSoftDisabled + }); + } + + if (appDisabledChanged) { + AddonManagerPrivate.callAddonListeners("onPropertyChanged", + aAddon, + ["appDisabled"]); + } + + // If the add-on is not visible or the add-on is not changing state then + // there is no need to do anything else + if (!aAddon.visible || (wasDisabled == isDisabled)) + return; + + // Flag that active states in the database need to be updated on shutdown + Services.prefs.setBoolPref(PREF_PENDING_OPERATIONS, true); + + let wrapper = createWrapper(aAddon); + // Have we just gone back to the current state? + if (isDisabled != aAddon.active) { + AddonManagerPrivate.callAddonListeners("onOperationCancelled", wrapper); + } + else { + if (isDisabled) { + var needsRestart = this.disableRequiresRestart(aAddon); + AddonManagerPrivate.callAddonListeners("onDisabling", wrapper, + needsRestart); + } + else { + needsRestart = this.enableRequiresRestart(aAddon); + AddonManagerPrivate.callAddonListeners("onEnabling", wrapper, + needsRestart); + } + + if (!needsRestart) { + XPIDatabase.updateAddonActive(aAddon, !isDisabled); + if (isDisabled) { + if (aAddon.bootstrap) { + let file = aAddon._installLocation.getLocationForID(aAddon.id); + this.callBootstrapMethod(aAddon, file, "shutdown", + BOOTSTRAP_REASONS.ADDON_DISABLE); + this.unloadBootstrapScope(aAddon.id); + } + AddonManagerPrivate.callAddonListeners("onDisabled", wrapper); + } + else { + if (aAddon.bootstrap) { + let file = aAddon._installLocation.getLocationForID(aAddon.id); + this.callBootstrapMethod(aAddon, file, "startup", + BOOTSTRAP_REASONS.ADDON_ENABLE); + } + AddonManagerPrivate.callAddonListeners("onEnabled", wrapper); + } + } + } + + // Sync with XPIStates. + let xpiState = XPIStates.getAddon(aAddon.location, aAddon.id); + if (xpiState) { + xpiState.syncWithDB(aAddon); + XPIStates.save(); + } else { + // There should always be an xpiState + logger.warn("No XPIState for ${id} in ${location}", aAddon); + } + + // Notify any other providers that a new theme has been enabled + if (aAddon.type == "theme" && !isDisabled) + AddonManagerPrivate.notifyAddonChanged(aAddon.id, aAddon.type, needsRestart); + }, + + /** + * Uninstalls an add-on, immediately if possible or marks it as pending + * uninstall if not. + * + * @param aAddon + * The DBAddonInternal to uninstall + * @param aForcePending + * Force this addon into the pending uninstall state, even if + * it isn't marked as requiring a restart (used e.g. while the + * add-on manager is open and offering an "undo" button) + * @throws if the addon cannot be uninstalled because it is in an install + * location that does not allow it + */ + uninstallAddon: function XPI_uninstallAddon(aAddon, aForcePending) { + if (!(aAddon.inDatabase)) + throw new Error("Cannot uninstall addon " + aAddon.id + " because it is not installed"); + + if (aAddon._installLocation.locked) + throw new Error("Cannot uninstall addon " + aAddon.id + + " from locked install location " + aAddon._installLocation.name); + + // Inactive add-ons don't require a restart to uninstall + let requiresRestart = this.uninstallRequiresRestart(aAddon); + + // if makePending is true, we don't actually apply the uninstall, + // we just mark the addon as having a pending uninstall + let makePending = aForcePending || requiresRestart; + + if (makePending && aAddon.pendingUninstall) + throw new Error("Add-on is already marked to be uninstalled"); + + if ("_hasResourceCache" in aAddon) + aAddon._hasResourceCache = new Map(); + + if (aAddon._updateCheck) { + logger.debug("Cancel in-progress update check for " + aAddon.id); + aAddon._updateCheck.cancel(); + } + + let wasPending = aAddon.pendingUninstall; + + if (makePending) { + // We create an empty directory in the staging directory to indicate + // that an uninstall is necessary on next startup. + let stage = aAddon._installLocation.getStagingDir(); + stage.append(aAddon.id); + if (!stage.exists()) + stage.create(Ci.nsIFile.DIRECTORY_TYPE, FileUtils.PERMS_DIRECTORY); + + XPIDatabase.setAddonProperties(aAddon, { + pendingUninstall: true + }); + Services.prefs.setBoolPref(PREF_PENDING_OPERATIONS, true); + let xpiState = XPIStates.getAddon(aAddon.location, aAddon.id); + if (xpiState) { + xpiState.enabled = false; + XPIStates.save(); + } else { + logger.warn("Can't find XPI state while uninstalling ${id} from ${location}", aAddon); + } + } + + // If the add-on is not visible then there is no need to notify listeners. + if (!aAddon.visible) + return; + + let wrapper = createWrapper(aAddon); + + // If the add-on wasn't already pending uninstall then notify listeners. + if (!wasPending) { + // Passing makePending as the requiresRestart parameter is a little + // strange as in some cases this operation can complete without a restart + // so really this is now saying that the uninstall isn't going to happen + // immediately but will happen later. + AddonManagerPrivate.callAddonListeners("onUninstalling", wrapper, + makePending); + } + + // Reveal the highest priority add-on with the same ID + function revealAddon(aAddon) { + XPIDatabase.makeAddonVisible(aAddon); + + let wrappedAddon = createWrapper(aAddon); + AddonManagerPrivate.callAddonListeners("onInstalling", wrappedAddon, false); + + if (!aAddon.disabled && !XPIProvider.enableRequiresRestart(aAddon)) { + XPIDatabase.updateAddonActive(aAddon, true); + } + + if (aAddon.bootstrap) { + let file = aAddon._installLocation.getLocationForID(aAddon.id); + XPIProvider.callBootstrapMethod(aAddon, file, + "install", BOOTSTRAP_REASONS.ADDON_INSTALL); + + if (aAddon.active) { + XPIProvider.callBootstrapMethod(aAddon, file, + "startup", BOOTSTRAP_REASONS.ADDON_INSTALL); + } + else { + XPIProvider.unloadBootstrapScope(aAddon.id); + } + } + + // We always send onInstalled even if a restart is required to enable + // the revealed add-on + AddonManagerPrivate.callAddonListeners("onInstalled", wrappedAddon); + } + + function findAddonAndReveal(aId) { + let [locationName, ] = XPIStates.findAddon(aId); + if (locationName) { + XPIDatabase.getAddonInLocation(aId, locationName, revealAddon); + } + } + + if (!makePending) { + if (aAddon.bootstrap) { + let file = aAddon._installLocation.getLocationForID(aAddon.id); + if (aAddon.active) { + this.callBootstrapMethod(aAddon, file, "shutdown", + BOOTSTRAP_REASONS.ADDON_UNINSTALL); + } + + this.callBootstrapMethod(aAddon, file, "uninstall", + BOOTSTRAP_REASONS.ADDON_UNINSTALL); + this.unloadBootstrapScope(aAddon.id); + flushStartupCache(); + } + aAddon._installLocation.uninstallAddon(aAddon.id); + XPIDatabase.removeAddonMetadata(aAddon); + XPIStates.removeAddon(aAddon.location, aAddon.id); + AddonManagerPrivate.callAddonListeners("onUninstalled", wrapper); + + findAddonAndReveal(aAddon.id); + } + else if (aAddon.bootstrap && aAddon.active && !this.disableRequiresRestart(aAddon)) { + this.callBootstrapMethod(aAddon, aAddon._sourceBundle, "shutdown", + BOOTSTRAP_REASONS.ADDON_UNINSTALL); + this.unloadBootstrapScope(aAddon.id); + XPIDatabase.updateAddonActive(aAddon, false); + } + + // Notify any other providers that a new theme has been enabled + if (aAddon.type == "theme" && aAddon.active) + AddonManagerPrivate.notifyAddonChanged(null, aAddon.type, requiresRestart); + }, + + /** + * Cancels the pending uninstall of an add-on. + * + * @param aAddon + * The DBAddonInternal to cancel uninstall for + */ + cancelUninstallAddon: function XPI_cancelUninstallAddon(aAddon) { + if (!(aAddon.inDatabase)) + throw new Error("Can only cancel uninstall for installed addons."); + + if (!aAddon.pendingUninstall) + throw new Error("Add-on is not marked to be uninstalled"); + + aAddon._installLocation.cleanStagingDir([aAddon.id]); + + XPIDatabase.setAddonProperties(aAddon, { + pendingUninstall: false + }); + + if (!aAddon.visible) + return; + + Services.prefs.setBoolPref(PREF_PENDING_OPERATIONS, true); + + // TODO hide hidden add-ons (bug 557710) + let wrapper = createWrapper(aAddon); + AddonManagerPrivate.callAddonListeners("onOperationCancelled", wrapper); + + if (aAddon.bootstrap && !aAddon.disabled && !this.enableRequiresRestart(aAddon)) { + this.callBootstrapMethod(aAddon, aAddon._sourceBundle, "startup", + BOOTSTRAP_REASONS.ADDON_INSTALL); + XPIDatabase.updateAddonActive(aAddon, true); + } + + // Notify any other providers that this theme is now enabled again. + if (aAddon.type == "theme" && aAddon.active) + AddonManagerPrivate.notifyAddonChanged(aAddon.id, aAddon.type, false); + } +}; + +function getHashStringForCrypto(aCrypto) { + // return the two-digit hexadecimal code for a byte + let toHexString = charCode => ("0" + charCode.toString(16)).slice(-2); + + // convert the binary hash data to a hex string. + let binary = aCrypto.finish(false); + let hash = Array.from(binary, c => toHexString(c.charCodeAt(0))) + return hash.join("").toLowerCase(); +} + +/** + * Instantiates an AddonInstall. + * + * @param aInstallLocation + * The install location the add-on will be installed into + * @param aUrl + * The nsIURL to get the add-on from. If this is an nsIFileURL then + * the add-on will not need to be downloaded + * @param aHash + * An optional hash for the add-on + * @param aReleaseNotesURI + * An optional nsIURI of release notes for the add-on + * @param aExistingAddon + * The add-on this install will update if known + * @param aBrowser + * The browser performing the install + * @throws if the url is the url of a local file and the hash does not match + * or the add-on does not contain an valid install manifest + */ +function AddonInstall(aInstallLocation, aUrl, aHash, aReleaseNotesURI, + aExistingAddon, aBrowser) { + this.wrapper = new AddonInstallWrapper(this); + this.installLocation = aInstallLocation; + this.sourceURI = aUrl; + this.releaseNotesURI = aReleaseNotesURI; + if (aHash) { + let hashSplit = aHash.toLowerCase().split(":"); + this.originalHash = { + algorithm: hashSplit[0], + data: hashSplit[1] + }; + } + this.hash = this.originalHash; + this.browser = aBrowser; + this.listeners = []; + this.icons = {}; + this.existingAddon = aExistingAddon; + this.error = 0; + this.window = aBrowser ? aBrowser.contentWindow : null; + + // Giving each instance of AddonInstall a reference to the logger. + this.logger = logger; +} + +AddonInstall.prototype = { + installLocation: null, + wrapper: null, + stream: null, + crypto: null, + originalHash: null, + hash: null, + browser: null, + badCertHandler: null, + listeners: null, + restartDownload: false, + + name: null, + type: null, + version: null, + icons: null, + releaseNotesURI: null, + sourceURI: null, + file: null, + ownsTempFile: false, + certificate: null, + certName: null, + + linkedInstalls: null, + existingAddon: null, + addon: null, + + state: null, + error: null, + progress: null, + maxProgress: null, + + /** + * Initialises this install to be a staged install waiting to be applied + * + * @param aManifest + * The cached manifest for the staged install + */ + initStagedInstall: function AI_initStagedInstall(aManifest) { + this.name = aManifest.name; + this.type = aManifest.type; + this.version = aManifest.version; + this.icons = aManifest.icons; + this.releaseNotesURI = aManifest.releaseNotesURI ? + NetUtil.newURI(aManifest.releaseNotesURI) : + null + this.sourceURI = aManifest.sourceURI ? + NetUtil.newURI(aManifest.sourceURI) : + null; + this.file = null; + this.addon = aManifest; + + this.state = AddonManager.STATE_INSTALLED; + + XPIProvider.installs.push(this); + }, + + /** + * Initialises this install to be an install from a local file. + * + * @param aCallback + * The callback to pass the initialised AddonInstall to + */ + initLocalInstall: function AI_initLocalInstall(aCallback) { + aCallback = makeSafe(aCallback); + this.file = this.sourceURI.QueryInterface(Ci.nsIFileURL).file; + + if (!this.file.exists()) { + logger.warn("XPI file " + this.file.path + " does not exist"); + this.state = AddonManager.STATE_DOWNLOAD_FAILED; + this.error = AddonManager.ERROR_NETWORK_FAILURE; + aCallback(this); + return; + } + + this.state = AddonManager.STATE_DOWNLOADED; + this.progress = this.file.fileSize; + this.maxProgress = this.file.fileSize; + + if (this.hash) { + let crypto = Cc["@mozilla.org/security/hash;1"]. + createInstance(Ci.nsICryptoHash); + try { + crypto.initWithString(this.hash.algorithm); + } + catch (e) { + logger.warn("Unknown hash algorithm '" + this.hash.algorithm + "' for addon " + this.sourceURI.spec, e); + this.state = AddonManager.STATE_DOWNLOAD_FAILED; + this.error = AddonManager.ERROR_INCORRECT_HASH; + aCallback(this); + return; + } + + let fis = Cc["@mozilla.org/network/file-input-stream;1"]. + createInstance(Ci.nsIFileInputStream); + fis.init(this.file, -1, -1, false); + crypto.updateFromStream(fis, this.file.fileSize); + let calculatedHash = getHashStringForCrypto(crypto); + if (calculatedHash != this.hash.data) { + logger.warn("File hash (" + calculatedHash + ") did not match provided hash (" + + this.hash.data + ")"); + this.state = AddonManager.STATE_DOWNLOAD_FAILED; + this.error = AddonManager.ERROR_INCORRECT_HASH; + aCallback(this); + return; + } + } + + try { + let self = this; + this.loadManifest(function initLocalInstall_loadManifest() { + XPIDatabase.getVisibleAddonForID(self.addon.id, function initLocalInstall_getVisibleAddon(aAddon) { + self.existingAddon = aAddon; + if (aAddon) + applyBlocklistChanges(aAddon, self.addon); + self.addon.updateDate = Date.now(); + self.addon.installDate = aAddon ? aAddon.installDate : self.addon.updateDate; + + if (!self.addon.isCompatible) { + // TODO Should we send some event here? + self.state = AddonManager.STATE_CHECKING; + new UpdateChecker(self.addon, { + onUpdateFinished: function updateChecker_onUpdateFinished(aAddon) { + self.state = AddonManager.STATE_DOWNLOADED; + XPIProvider.installs.push(self); + AddonManagerPrivate.callInstallListeners("onNewInstall", + self.listeners, + self.wrapper); + + aCallback(self); + } + }, AddonManager.UPDATE_WHEN_ADDON_INSTALLED); + } + else { + XPIProvider.installs.push(self); + AddonManagerPrivate.callInstallListeners("onNewInstall", + self.listeners, + self.wrapper); + + aCallback(self); + } + }); + }); + } + catch (e) { + this.state = AddonManager.STATE_DOWNLOAD_FAILED; + if (e.webext) { + logger.warn("WebExtension XPI", e); + this.error = AddonManager.ERROR_WEBEXT_FILE; + } else { + logger.warn("Invalid XPI", e); + this.error = AddonManager.ERROR_CORRUPT_FILE; + } + aCallback(this); + return; + } + }, + + /** + * Initialises this install to be a download from a remote url. + * + * @param aCallback + * The callback to pass the initialised AddonInstall to + * @param aName + * An optional name for the add-on + * @param aType + * An optional type for the add-on + * @param aIcons + * Optional icons for the add-on + * @param aVersion + * An optional version for the add-on + */ + initAvailableDownload: function AI_initAvailableDownload(aName, aType, aIcons, aVersion, aCallback) { + this.state = AddonManager.STATE_AVAILABLE; + this.name = aName; + this.type = aType; + this.version = aVersion; + this.icons = aIcons; + this.progress = 0; + this.maxProgress = -1; + + XPIProvider.installs.push(this); + AddonManagerPrivate.callInstallListeners("onNewInstall", this.listeners, + this.wrapper); + + makeSafe(aCallback)(this); + }, + + /** + * Starts installation of this add-on from whatever state it is currently at + * if possible. + * + * @throws if installation cannot proceed from the current state + */ + install: function AI_install() { + switch (this.state) { + case AddonManager.STATE_AVAILABLE: + this.startDownload(); + break; + case AddonManager.STATE_DOWNLOADED: + this.startInstall(); + break; + case AddonManager.STATE_DOWNLOAD_FAILED: + case AddonManager.STATE_INSTALL_FAILED: + case AddonManager.STATE_CANCELLED: + this.removeTemporaryFile(); + this.state = AddonManager.STATE_AVAILABLE; + this.error = 0; + this.progress = 0; + this.maxProgress = -1; + this.hash = this.originalHash; + XPIProvider.installs.push(this); + this.startDownload(); + break; + case AddonManager.STATE_DOWNLOADING: + case AddonManager.STATE_CHECKING: + case AddonManager.STATE_INSTALLING: + // Installation is already running + return; + default: + throw new Error("Cannot start installing from this state"); + } + }, + + /** + * Cancels installation of this add-on. + * + * @throws if installation cannot be cancelled from the current state + */ + cancel: function AI_cancel() { + switch (this.state) { + case AddonManager.STATE_DOWNLOADING: + if (this.channel) { + logger.debug("Cancelling download of " + this.sourceURI.spec); + this.channel.cancel(Cr.NS_BINDING_ABORTED); + } + break; + case AddonManager.STATE_AVAILABLE: + case AddonManager.STATE_DOWNLOADED: + logger.debug("Cancelling download of " + this.sourceURI.spec); + this.state = AddonManager.STATE_CANCELLED; + XPIProvider.removeActiveInstall(this); + AddonManagerPrivate.callInstallListeners("onDownloadCancelled", + this.listeners, this.wrapper); + this.removeTemporaryFile(); + break; + case AddonManager.STATE_INSTALLED: + logger.debug("Cancelling install of " + this.addon.id); + let xpi = this.installLocation.getStagingDir(); + xpi.append(this.addon.id + ".xpi"); + flushJarCache(xpi); + this.installLocation.cleanStagingDir([this.addon.id, this.addon.id + ".xpi", + this.addon.id + ".json"]); + this.state = AddonManager.STATE_CANCELLED; + XPIProvider.removeActiveInstall(this); + + if (this.existingAddon) { + delete this.existingAddon.pendingUpgrade; + this.existingAddon.pendingUpgrade = null; + } + + AddonManagerPrivate.callAddonListeners("onOperationCancelled", createWrapper(this.addon)); + + AddonManagerPrivate.callInstallListeners("onInstallCancelled", + this.listeners, this.wrapper); + break; + default: + throw new Error("Cannot cancel install of " + this.sourceURI.spec + + " from this state (" + this.state + ")"); + } + }, + + /** + * Adds an InstallListener for this instance if the listener is not already + * registered. + * + * @param aListener + * The InstallListener to add + */ + addListener: function AI_addListener(aListener) { + if (!this.listeners.some(function addListener_matchListener(i) { return i == aListener; })) + this.listeners.push(aListener); + }, + + /** + * Removes an InstallListener for this instance if it is registered. + * + * @param aListener + * The InstallListener to remove + */ + removeListener: function AI_removeListener(aListener) { + this.listeners = this.listeners.filter(function removeListener_filterListener(i) { + return i != aListener; + }); + }, + + /** + * Removes the temporary file owned by this AddonInstall if there is one. + */ + removeTemporaryFile: function AI_removeTemporaryFile() { + // Only proceed if this AddonInstall owns its XPI file + if (!this.ownsTempFile) { + this.logger.debug("removeTemporaryFile: " + this.sourceURI.spec + " does not own temp file"); + return; + } + + try { + this.logger.debug("removeTemporaryFile: " + this.sourceURI.spec + " removing temp file " + + this.file.path); + this.file.remove(true); + this.ownsTempFile = false; + } + catch (e) { + this.logger.warn("Failed to remove temporary file " + this.file.path + " for addon " + + this.sourceURI.spec, + e); + } + }, + + /** + * Updates the sourceURI and releaseNotesURI values on the Addon being + * installed by this AddonInstall instance. + */ + updateAddonURIs: function AI_updateAddonURIs() { + this.addon.sourceURI = this.sourceURI.spec; + if (this.releaseNotesURI) + this.addon.releaseNotesURI = this.releaseNotesURI.spec; + }, + + /** + * Loads add-on manifests from a multi-package XPI file. Each of the + * XPI and JAR files contained in the XPI will be extracted. Any that + * do not contain valid add-ons will be ignored. The first valid add-on will + * be installed by this AddonInstall instance, the rest will have new + * AddonInstall instances created for them. + * + * @param aZipReader + * An open nsIZipReader for the multi-package XPI's files. This will + * be closed before this method returns. + * @param aCallback + * A function to call when all of the add-on manifests have been + * loaded. Because this loadMultipackageManifests is an internal API + * we don't exception-wrap this callback + */ + _loadMultipackageManifests: function AI_loadMultipackageManifests(aZipReader, + aCallback) { + let files = []; + let entries = aZipReader.findEntries("(*.[Xx][Pp][Ii]|*.[Jj][Aa][Rr])"); + while (entries.hasMore()) { + let entryName = entries.getNext(); + var target = getTemporaryFile(); + try { + aZipReader.extract(entryName, target); + files.push(target); + } + catch (e) { + logger.warn("Failed to extract " + entryName + " from multi-package " + + "XPI", e); + target.remove(false); + } + } + + aZipReader.close(); + + if (files.length == 0) { + throw new Error("Multi-package XPI does not contain any packages " + + "to install"); + } + + let addon = null; + + // Find the first file that has a valid install manifest and use it for + // the add-on that this AddonInstall instance will install. + while (files.length > 0) { + this.removeTemporaryFile(); + this.file = files.shift(); + this.ownsTempFile = true; + try { + addon = loadManifestFromZipFile(this.file); + break; + } + catch (e) { + logger.warn(this.file.leafName + " cannot be installed from multi-package " + + "XPI", e); + } + } + + if (!addon) { + // No valid add-on was found + aCallback(); + return; + } + + this.addon = addon; + + this.updateAddonURIs(); + + this.addon._install = this; + this.name = this.addon.selectedLocale.name || this.addon.defaultLocale.name; + this.type = this.addon.type; + this.version = this.addon.version; + + // Setting the iconURL to something inside the XPI locks the XPI and + // makes it impossible to delete on Windows. + //let newIcon = createWrapper(this.addon).iconURL; + //if (newIcon) + // this.iconURL = newIcon; + + // Create new AddonInstall instances for every remaining file + if (files.length > 0) { + this.linkedInstalls = []; + let count = 0; + let self = this; + files.forEach(function(file) { + AddonInstall.createInstall(function loadMultipackageManifests_createInstall(aInstall) { + // Ignore bad add-ons (createInstall will have logged the error) + if (aInstall.state == AddonManager.STATE_DOWNLOAD_FAILED) { + // Manually remove the temporary file + file.remove(true); + } + else { + // Make the new install own its temporary file + aInstall.ownsTempFile = true; + + self.linkedInstalls.push(aInstall) + + aInstall.sourceURI = self.sourceURI; + aInstall.releaseNotesURI = self.releaseNotesURI; + aInstall.updateAddonURIs(); + } + + count++; + if (count == files.length) + aCallback(); + }, file); + }, this); + } + else { + aCallback(); + } + }, + + /** + * Called after the add-on is a local file and the signature and install + * manifest can be read. + * + * @param aCallback + * A function to call when the manifest has been loaded + * @throws if the add-on does not contain a valid install manifest or the + * XPI is incorrectly signed + */ + loadManifest: function AI_loadManifest(aCallback) { + aCallback = makeSafe(aCallback); + let self = this; + function addRepositoryData(aAddon) { + // Try to load from the existing cache first + AddonRepository.getCachedAddonByID(aAddon.id, function loadManifest_getCachedAddonByID(aRepoAddon) { + if (aRepoAddon) { + aAddon._repositoryAddon = aRepoAddon; + self.name = self.name || aAddon._repositoryAddon.name; + aAddon.compatibilityOverrides = aRepoAddon.compatibilityOverrides; + aAddon.appDisabled = !isUsableAddon(aAddon); + aCallback(); + return; + } + + // It wasn't there so try to re-download it + AddonRepository.cacheAddons([aAddon.id], function loadManifest_cacheAddons() { + AddonRepository.getCachedAddonByID(aAddon.id, function loadManifest_getCachedAddonByID(aRepoAddon) { + aAddon._repositoryAddon = aRepoAddon; + self.name = self.name || aAddon._repositoryAddon.name; + aAddon.compatibilityOverrides = aRepoAddon ? + aRepoAddon.compatibilityOverrides : + null; + aAddon.appDisabled = !isUsableAddon(aAddon); + aCallback(); + }); + }); + }); + } + + let zipreader = Cc["@mozilla.org/libjar/zip-reader;1"]. + createInstance(Ci.nsIZipReader); + try { + zipreader.open(this.file); + } + catch (e) { + zipreader.close(); + throw e; + } + + let x509 = zipreader.getSigningCert(null); + if (x509) { + logger.debug("Verifying XPI signature"); + if (verifyZipSigning(zipreader, x509)) { + this.certificate = x509; + if (this.certificate.commonName.length > 0) { + this.certName = this.certificate.commonName; + } else { + this.certName = this.certificate.organization; + } + } else { + zipreader.close(); + throw new Error("XPI is incorrectly signed"); + } + } + + try { + this.addon = loadManifestFromZipReader(zipreader); + } + catch (e) { + zipreader.close(); + throw e; + } + + if (this.addon.type == "multipackage") { + this._loadMultipackageManifests(zipreader, function loadManifest_loadMultipackageManifests() { + addRepositoryData(self.addon); + }); + return; + } + + zipreader.close(); + + this.updateAddonURIs(); + + this.addon._install = this; + this.name = this.addon.selectedLocale.name || this.addon.defaultLocale.name; + this.type = this.addon.type; + this.version = this.addon.version; + + // Setting the iconURL to something inside the XPI locks the XPI and + // makes it impossible to delete on Windows. + //let newIcon = createWrapper(this.addon).iconURL; + //if (newIcon) + // this.iconURL = newIcon; + + addRepositoryData(this.addon); + }, + + observe: function AI_observe(aSubject, aTopic, aData) { + // Network is going offline + this.cancel(); + }, + + /** + * Starts downloading the add-on's XPI file. + */ + startDownload: function AI_startDownload() { + this.state = AddonManager.STATE_DOWNLOADING; + if (!AddonManagerPrivate.callInstallListeners("onDownloadStarted", + this.listeners, this.wrapper)) { + logger.debug("onDownloadStarted listeners cancelled installation of addon " + this.sourceURI.spec); + this.state = AddonManager.STATE_CANCELLED; + XPIProvider.removeActiveInstall(this); + AddonManagerPrivate.callInstallListeners("onDownloadCancelled", + this.listeners, this.wrapper) + return; + } + + // If a listener changed our state then do not proceed with the download + if (this.state != AddonManager.STATE_DOWNLOADING) + return; + + if (this.channel) { + // A previous download attempt hasn't finished cleaning up yet, signal + // that it should restart when complete + logger.debug("Waiting for previous download to complete"); + this.restartDownload = true; + return; + } + + this.openChannel(); + }, + + openChannel: function AI_openChannel() { + this.restartDownload = false; + + try { + this.file = getTemporaryFile(); + this.ownsTempFile = true; + this.stream = Cc["@mozilla.org/network/file-output-stream;1"]. + createInstance(Ci.nsIFileOutputStream); + this.stream.init(this.file, FileUtils.MODE_WRONLY | FileUtils.MODE_CREATE | + FileUtils.MODE_TRUNCATE, FileUtils.PERMS_FILE, 0); + } + catch (e) { + logger.warn("Failed to start download for addon " + this.sourceURI.spec, e); + this.state = AddonManager.STATE_DOWNLOAD_FAILED; + this.error = AddonManager.ERROR_FILE_ACCESS; + XPIProvider.removeActiveInstall(this); + AddonManagerPrivate.callInstallListeners("onDownloadFailed", + this.listeners, this.wrapper); + return; + } + + let listener = Cc["@mozilla.org/network/stream-listener-tee;1"]. + createInstance(Ci.nsIStreamListenerTee); + listener.init(this, this.stream); + try { + Components.utils.import("resource://gre/modules/CertUtils.jsm"); + let requireBuiltIn = Preferences.get(PREF_INSTALL_REQUIREBUILTINCERTS, true); + this.badCertHandler = new BadCertHandler(!requireBuiltIn); + + this.channel = NetUtil.newChannel2(this.sourceURI, + null, + null, + null, // aLoadingNode + Services.scriptSecurityManager.getSystemPrincipal(), + null, // aTriggeringPrincipal + Ci.nsILoadInfo.SEC_NORMAL, + Ci.nsIContentPolicy.TYPE_OTHER); + this.channel.notificationCallbacks = this; + if (this.channel instanceof Ci.nsIHttpChannel) { + this.channel.setRequestHeader("Moz-XPI-Update", "1", true); + if (this.channel instanceof Ci.nsIHttpChannelInternal) + this.channel.forceAllowThirdPartyCookie = true; + } + this.channel.asyncOpen(listener, null); + + Services.obs.addObserver(this, "network:offline-about-to-go-offline", false); + } + catch (e) { + logger.warn("Failed to start download for addon " + this.sourceURI.spec, e); + this.state = AddonManager.STATE_DOWNLOAD_FAILED; + this.error = AddonManager.ERROR_NETWORK_FAILURE; + XPIProvider.removeActiveInstall(this); + AddonManagerPrivate.callInstallListeners("onDownloadFailed", + this.listeners, this.wrapper); + } + }, + + /** + * Update the crypto hasher with the new data and call the progress listeners. + * + * @see nsIStreamListener + */ + onDataAvailable: function AI_onDataAvailable(aRequest, aContext, aInputstream, + aOffset, aCount) { + this.crypto.updateFromStream(aInputstream, aCount); + this.progress += aCount; + if (!AddonManagerPrivate.callInstallListeners("onDownloadProgress", + this.listeners, this.wrapper)) { + // TODO cancel the download and make it available again (bug 553024) + } + }, + + /** + * Check the redirect response for a hash of the target XPI and verify that + * we don't end up on an insecure channel. + * + * @see nsIChannelEventSink + */ + asyncOnChannelRedirect: function AI_asyncOnChannelRedirect(aOldChannel, aNewChannel, aFlags, aCallback) { + if (!this.hash && aOldChannel.originalURI.schemeIs("https") && + aOldChannel instanceof Ci.nsIHttpChannel) { + try { + let hashStr = aOldChannel.getResponseHeader("X-Target-Digest"); + let hashSplit = hashStr.toLowerCase().split(":"); + this.hash = { + algorithm: hashSplit[0], + data: hashSplit[1] + }; + } + catch (e) { + } + } + + // Verify that we don't end up on an insecure channel if we haven't got a + // hash to verify with (see bug 537761 for discussion) + if (!this.hash) + this.badCertHandler.asyncOnChannelRedirect(aOldChannel, aNewChannel, aFlags, aCallback); + else + aCallback.onRedirectVerifyCallback(Cr.NS_OK); + + this.channel = aNewChannel; + }, + + /** + * This is the first chance to get at real headers on the channel. + * + * @see nsIStreamListener + */ + onStartRequest: function AI_onStartRequest(aRequest, aContext) { + this.crypto = Cc["@mozilla.org/security/hash;1"]. + createInstance(Ci.nsICryptoHash); + if (this.hash) { + try { + this.crypto.initWithString(this.hash.algorithm); + } + catch (e) { + logger.warn("Unknown hash algorithm '" + this.hash.algorithm + "' for addon " + this.sourceURI.spec, e); + this.state = AddonManager.STATE_DOWNLOAD_FAILED; + this.error = AddonManager.ERROR_INCORRECT_HASH; + XPIProvider.removeActiveInstall(this); + AddonManagerPrivate.callInstallListeners("onDownloadFailed", + this.listeners, this.wrapper); + aRequest.cancel(Cr.NS_BINDING_ABORTED); + return; + } + } + else { + // We always need something to consume data from the inputstream passed + // to onDataAvailable so just create a dummy cryptohasher to do that. + this.crypto.initWithString("sha1"); + } + + this.progress = 0; + if (aRequest instanceof Ci.nsIChannel) { + try { + this.maxProgress = aRequest.contentLength; + } + catch (e) { + } + logger.debug("Download started for " + this.sourceURI.spec + " to file " + + this.file.path); + } + }, + + /** + * The download is complete. + * + * @see nsIStreamListener + */ + onStopRequest: function AI_onStopRequest(aRequest, aContext, aStatus) { + this.stream.close(); + this.channel = null; + this.badCerthandler = null; + Services.obs.removeObserver(this, "network:offline-about-to-go-offline"); + + // If the download was cancelled then update the state and send events + if (aStatus == Cr.NS_BINDING_ABORTED) { + if (this.state == AddonManager.STATE_DOWNLOADING) { + logger.debug("Cancelled download of " + this.sourceURI.spec); + this.state = AddonManager.STATE_CANCELLED; + XPIProvider.removeActiveInstall(this); + AddonManagerPrivate.callInstallListeners("onDownloadCancelled", + this.listeners, this.wrapper); + // If a listener restarted the download then there is no need to + // remove the temporary file + if (this.state != AddonManager.STATE_CANCELLED) + return; + } + + this.removeTemporaryFile(); + if (this.restartDownload) + this.openChannel(); + return; + } + + logger.debug("Download of " + this.sourceURI.spec + " completed."); + + if (Components.isSuccessCode(aStatus)) { + if (!(aRequest instanceof Ci.nsIHttpChannel) || aRequest.requestSucceeded) { + if (!this.hash && (aRequest instanceof Ci.nsIChannel)) { + try { + checkCert(aRequest, + !Preferences.get(PREF_INSTALL_REQUIREBUILTINCERTS, true)); + } + catch (e) { + this.downloadFailed(AddonManager.ERROR_NETWORK_FAILURE, e); + return; + } + } + + // convert the binary hash data to a hex string. + let calculatedHash = getHashStringForCrypto(this.crypto); + this.crypto = null; + if (this.hash && calculatedHash != this.hash.data) { + this.downloadFailed(AddonManager.ERROR_INCORRECT_HASH, + "Downloaded file hash (" + calculatedHash + + ") did not match provided hash (" + this.hash.data + ")"); + return; + } + try { + let self = this; + this.loadManifest(function onStopRequest_loadManifest() { + if (self.addon.isCompatible) { + self.downloadCompleted(); + } + else { + // TODO Should we send some event here (bug 557716)? + self.state = AddonManager.STATE_CHECKING; + new UpdateChecker(self.addon, { + onUpdateFinished: function onStopRequest_onUpdateFinished(aAddon) { + self.downloadCompleted(); + } + }, AddonManager.UPDATE_WHEN_ADDON_INSTALLED); + } + }); + } + catch (e) { + if (e.webext) { + this.downloadFailed(AddonManager.ERROR_WEBEXT_FILE, e); + } else { + this.downloadFailed(AddonManager.ERROR_CORRUPT_FILE, e); + } + } + } + else { + if (aRequest instanceof Ci.nsIHttpChannel) + this.downloadFailed(AddonManager.ERROR_NETWORK_FAILURE, + aRequest.responseStatus + " " + + aRequest.responseStatusText); + else + this.downloadFailed(AddonManager.ERROR_NETWORK_FAILURE, aStatus); + } + } + else { + this.downloadFailed(AddonManager.ERROR_NETWORK_FAILURE, aStatus); + } + }, + + /** + * Notify listeners that the download failed. + * + * @param aReason + * Something to log about the failure + * @param error + * The error code to pass to the listeners + */ + downloadFailed: function AI_downloadFailed(aReason, aError) { + logger.warn("Download of " + this.sourceURI.spec + " failed", aError); + this.state = AddonManager.STATE_DOWNLOAD_FAILED; + this.error = aReason; + XPIProvider.removeActiveInstall(this); + AddonManagerPrivate.callInstallListeners("onDownloadFailed", this.listeners, + this.wrapper); + + // If the listener hasn't restarted the download then remove any temporary + // file + if (this.state == AddonManager.STATE_DOWNLOAD_FAILED) { + logger.debug("downloadFailed: removing temp file for " + this.sourceURI.spec); + this.removeTemporaryFile(); + } + else + logger.debug("downloadFailed: listener changed AddonInstall state for " + + this.sourceURI.spec + " to " + this.state); + }, + + /** + * Notify listeners that the download completed. + */ + downloadCompleted: function AI_downloadCompleted() { + let self = this; + XPIDatabase.getVisibleAddonForID(this.addon.id, function downloadCompleted_getVisibleAddonForID(aAddon) { + if (aAddon) + self.existingAddon = aAddon; + + self.state = AddonManager.STATE_DOWNLOADED; + self.addon.updateDate = Date.now(); + + if (self.existingAddon) { + self.addon.existingAddonID = self.existingAddon.id; + self.addon.installDate = self.existingAddon.installDate; + applyBlocklistChanges(self.existingAddon, self.addon); + } + else { + self.addon.installDate = self.addon.updateDate; + } + + if (AddonManagerPrivate.callInstallListeners("onDownloadEnded", + self.listeners, + self.wrapper)) { + // If a listener changed our state then do not proceed with the install + if (self.state != AddonManager.STATE_DOWNLOADED) + return; + + self.install(); + + if (self.linkedInstalls) { + self.linkedInstalls.forEach(function(aInstall) { + aInstall.install(); + }); + } + } + }); + }, + + // TODO This relies on the assumption that we are always installing into the + // highest priority install location so the resulting add-on will be visible + // overriding any existing copy in another install location (bug 557710). + /** + * Installs the add-on into the install location. + */ + startInstall: function AI_startInstall() { + this.state = AddonManager.STATE_INSTALLING; + if (!AddonManagerPrivate.callInstallListeners("onInstallStarted", + this.listeners, this.wrapper)) { + this.state = AddonManager.STATE_DOWNLOADED; + XPIProvider.removeActiveInstall(this); + AddonManagerPrivate.callInstallListeners("onInstallCancelled", + this.listeners, this.wrapper) + return; + } + + // Find and cancel any pending installs for the same add-on in the same + // install location + for (let aInstall of XPIProvider.installs) { + if (aInstall.state == AddonManager.STATE_INSTALLED && + aInstall.installLocation == this.installLocation && + aInstall.addon.id == this.addon.id) { + logger.debug("Cancelling previous pending install of " + aInstall.addon.id); + aInstall.cancel(); + } + } + + let isUpgrade = this.existingAddon && + this.existingAddon._installLocation == this.installLocation; + let requiresRestart = XPIProvider.installRequiresRestart(this.addon); + + logger.debug("Starting install of " + this.addon.id + " from " + this.sourceURI.spec); + AddonManagerPrivate.callAddonListeners("onInstalling", + createWrapper(this.addon), + requiresRestart); + + let stagingDir = this.installLocation.getStagingDir(); + let stagedAddon = stagingDir.clone(); + + Task.spawn((function() { + let installedUnpacked = 0; + yield this.installLocation.requestStagingDir(); + + // Remove any staged items for this add-on + stagedAddon.append(this.addon.id); + yield removeAsync(stagedAddon); + stagedAddon.leafName = this.addon.id + ".xpi"; + yield removeAsync(stagedAddon); + + // First stage the file regardless of whether restarting is necessary + if (this.addon.unpack || Preferences.get(PREF_XPI_UNPACK, false)) { + logger.debug("Addon " + this.addon.id + " will be installed as " + + "an unpacked directory"); + stagedAddon.leafName = this.addon.id; + yield OS.File.makeDir(stagedAddon.path); + yield ZipUtils.extractFilesAsync(this.file, stagedAddon); + installedUnpacked = 1; + } + else { + logger.debug("Addon " + this.addon.id + " will be installed as " + + "a packed xpi"); + stagedAddon.leafName = this.addon.id + ".xpi"; + yield OS.File.copy(this.file.path, stagedAddon.path); + } + + if (requiresRestart) { + // Point the add-on to its extracted files as the xpi may get deleted + this.addon._sourceBundle = stagedAddon; + + // Cache the AddonInternal as it may have updated compatibility info + let stagedJSON = stagedAddon.clone(); + stagedJSON.leafName = this.addon.id + ".json"; + if (stagedJSON.exists()) + stagedJSON.remove(true); + let stream = Cc["@mozilla.org/network/file-output-stream;1"]. + createInstance(Ci.nsIFileOutputStream); + let converter = Cc["@mozilla.org/intl/converter-output-stream;1"]. + createInstance(Ci.nsIConverterOutputStream); + + try { + stream.init(stagedJSON, FileUtils.MODE_WRONLY | FileUtils.MODE_CREATE | + FileUtils.MODE_TRUNCATE, FileUtils.PERMS_FILE, + 0); + converter.init(stream, "UTF-8", 0, 0x0000); + converter.writeString(JSON.stringify(this.addon)); + } + finally { + converter.close(); + stream.close(); + } + + logger.debug("Staged install of " + this.addon.id + " from " + this.sourceURI.spec + " ready; waiting for restart."); + this.state = AddonManager.STATE_INSTALLED; + if (isUpgrade) { + delete this.existingAddon.pendingUpgrade; + this.existingAddon.pendingUpgrade = this.addon; + } + AddonManagerPrivate.callInstallListeners("onInstallEnded", + this.listeners, this.wrapper, + createWrapper(this.addon)); + } + else { + // The install is completed so it should be removed from the active list + XPIProvider.removeActiveInstall(this); + + // TODO We can probably reduce the number of DB operations going on here + // We probably also want to support rolling back failed upgrades etc. + // See bug 553015. + + // Deactivate and remove the old add-on as necessary + let reason = BOOTSTRAP_REASONS.ADDON_INSTALL; + if (this.existingAddon) { + if (Services.vc.compare(this.existingAddon.version, this.addon.version) < 0) + reason = BOOTSTRAP_REASONS.ADDON_UPGRADE; + else + reason = BOOTSTRAP_REASONS.ADDON_DOWNGRADE; + + if (this.existingAddon.bootstrap) { + let file = this.existingAddon._installLocation + .getLocationForID(this.existingAddon.id); + if (this.existingAddon.active) { + XPIProvider.callBootstrapMethod(this.existingAddon, file, + "shutdown", reason, + { newVersion: this.addon.version }); + } + + XPIProvider.callBootstrapMethod(this.existingAddon, file, + "uninstall", reason, + { newVersion: this.addon.version }); + XPIProvider.unloadBootstrapScope(this.existingAddon.id); + flushStartupCache(); + } + + if (!isUpgrade && this.existingAddon.active) { + XPIDatabase.updateAddonActive(this.existingAddon, false); + } + } + + // Install the new add-on into its final location + let existingAddonID = this.existingAddon ? this.existingAddon.id : null; + let file = this.installLocation.installAddon(this.addon.id, stagedAddon, + existingAddonID); + + // Update the metadata in the database + this.addon._sourceBundle = file; + this.addon._installLocation = this.installLocation; + this.addon.visible = true; + + if (isUpgrade) { + this.addon = XPIDatabase.updateAddonMetadata(this.existingAddon, this.addon, + file.persistentDescriptor); + let state = XPIStates.getAddon(this.installLocation.name, this.addon.id); + if (state) { + state.syncWithDB(this.addon, true); + } else { + logger.warn("Unexpected missing XPI state for add-on ${id}", this.addon); + } + } + else { + this.addon.active = (this.addon.visible && !this.addon.disabled); + this.addon = XPIDatabase.addAddonMetadata(this.addon, file.persistentDescriptor); + XPIStates.addAddon(this.addon); + this.addon.installDate = this.addon.updateDate; + XPIDatabase.saveChanges(); + } + XPIStates.save(); + + let extraParams = {}; + if (this.existingAddon) { + extraParams.oldVersion = this.existingAddon.version; + } + + if (this.addon.bootstrap) { + XPIProvider.callBootstrapMethod(this.addon, file, "install", + reason, extraParams); + } + + AddonManagerPrivate.callAddonListeners("onInstalled", + createWrapper(this.addon)); + + logger.debug("Install of " + this.sourceURI.spec + " completed."); + this.state = AddonManager.STATE_INSTALLED; + AddonManagerPrivate.callInstallListeners("onInstallEnded", + this.listeners, this.wrapper, + createWrapper(this.addon)); + + if (this.addon.bootstrap) { + if (this.addon.active) { + XPIProvider.callBootstrapMethod(this.addon, file, "startup", + reason, extraParams); + } + else { + // XXX this makes it dangerous to do some things in onInstallEnded + // listeners because important cleanup hasn't been done yet + XPIProvider.unloadBootstrapScope(this.addon.id); + } + } + } + }).bind(this)).then(null, (e) => { + logger.warn("Failed to install " + this.file.path + " from " + this.sourceURI.spec, e); + if (stagedAddon.exists()) + recursiveRemove(stagedAddon); + this.state = AddonManager.STATE_INSTALL_FAILED; + this.error = AddonManager.ERROR_FILE_ACCESS; + XPIProvider.removeActiveInstall(this); + AddonManagerPrivate.callAddonListeners("onOperationCancelled", + createWrapper(this.addon)); + AddonManagerPrivate.callInstallListeners("onInstallFailed", + this.listeners, + this.wrapper); + }).then(() => { + this.removeTemporaryFile(); + return this.installLocation.releaseStagingDir(); + }); + }, + + getInterface: function AI_getInterface(iid) { + if (iid.equals(Ci.nsIAuthPrompt2)) { + let win = this.window; + if (!win && this.browser) + win = this.browser.ownerDocument.defaultView; + + let factory = Cc["@mozilla.org/prompter;1"]. + getService(Ci.nsIPromptFactory); + let prompt = factory.getPrompt(win, Ci.nsIAuthPrompt2); + + if (this.browser && this.browser.isRemoteBrowser && prompt instanceof Ci.nsILoginManagerPrompter) + prompt.setE10sData(this.browser, null); + + return prompt; + } + else if (iid.equals(Ci.nsIChannelEventSink)) { + return this; + } + + return this.badCertHandler.getInterface(iid); + } +} + +/** + * Creates a new AddonInstall for an already staged install. Used when + * installing the staged install failed for some reason. + * + * @param aDir + * The directory holding the staged install + * @param aManifest + * The cached manifest for the install + */ +AddonInstall.createStagedInstall = function AI_createStagedInstall(aInstallLocation, aDir, aManifest) { + let url = Services.io.newFileURI(aDir); + + let install = new AddonInstall(aInstallLocation, aDir); + install.initStagedInstall(aManifest); +}; + +/** + * Creates a new AddonInstall to install an add-on from a local file. Installs + * always go into the profile install location. + * + * @param aCallback + * The callback to pass the new AddonInstall to + * @param aFile + * The file to install + */ +AddonInstall.createInstall = function AI_createInstall(aCallback, aFile) { + let location = XPIProvider.installLocationsByName[KEY_APP_PROFILE]; + let url = Services.io.newFileURI(aFile); + + try { + let install = new AddonInstall(location, url); + install.initLocalInstall(aCallback); + } + catch(e) { + logger.error("Error creating install", e); + makeSafe(aCallback)(null); + } +}; + +/** + * Creates a new AddonInstall to download and install a URL. + * + * @param aCallback + * The callback to pass the new AddonInstall to + * @param aUri + * The URI to download + * @param aHash + * A hash for the add-on + * @param aName + * A name for the add-on + * @param aIcons + * An icon URLs for the add-on + * @param aVersion + * A version for the add-on + * @param aBrowser + * The browser performing the install + */ +AddonInstall.createDownload = function AI_createDownload(aCallback, aUri, aHash, aName, aIcons, + aVersion, aBrowser) { + let location = XPIProvider.installLocationsByName[KEY_APP_PROFILE]; + let url = NetUtil.newURI(aUri); + + let install = new AddonInstall(location, url, aHash, null, null, aBrowser); + if (url instanceof Ci.nsIFileURL) + install.initLocalInstall(aCallback); + else + install.initAvailableDownload(aName, null, aIcons, aVersion, aCallback); +}; + +/** + * Creates a new AddonInstall for an update. + * + * @param aCallback + * The callback to pass the new AddonInstall to + * @param aAddon + * The add-on being updated + * @param aUpdate + * The metadata about the new version from the update manifest + */ +AddonInstall.createUpdate = function AI_createUpdate(aCallback, aAddon, aUpdate) { + let url = NetUtil.newURI(aUpdate.updateURL); + let releaseNotesURI = null; + try { + if (aUpdate.updateInfoURL) + releaseNotesURI = NetUtil.newURI(escapeAddonURI(aAddon, aUpdate.updateInfoURL)); + } + catch (e) { + // If the releaseNotesURI cannot be parsed then just ignore it. + } + + let install = new AddonInstall(aAddon._installLocation, url, + aUpdate.updateHash, releaseNotesURI, aAddon); + if (url instanceof Ci.nsIFileURL) { + install.initLocalInstall(aCallback); + } + else { + install.initAvailableDownload(aAddon.selectedLocale.name ? + aAddon.selectedLocale.name : aAddon.defaultLocale.name, + aAddon.type, aAddon.icons, aUpdate.version, aCallback); + } +}; + +/** + * Creates a wrapper for an AddonInstall that only exposes the public API + * + * @param install + * The AddonInstall to create a wrapper for + */ +function AddonInstallWrapper(aInstall) { +#ifdef MOZ_EM_DEBUG + this.__defineGetter__("__AddonInstallInternal__", function AIW_debugGetter() { + return aInstall; + }); +#endif + + ["name", "type", "version", "icons", "releaseNotesURI", "file", "state", "error", + "progress", "maxProgress", "certificate", "certName"].forEach(function(aProp) { + this.__defineGetter__(aProp, function AIW_propertyGetter() aInstall[aProp]); + }, this); + + this.__defineGetter__("iconURL", function AIW_iconURL() aInstall.icons[32]); + + this.__defineGetter__("existingAddon", function AIW_existingAddonGetter() { + return createWrapper(aInstall.existingAddon); + }); + this.__defineGetter__("addon", function AIW_addonGetter() createWrapper(aInstall.addon)); + this.__defineGetter__("sourceURI", function AIW_sourceURIGetter() aInstall.sourceURI); + + this.__defineGetter__("linkedInstalls", function AIW_linkedInstallsGetter() { + if (!aInstall.linkedInstalls) + return null; + // Tycho: return [i.wrapper for each (i in aInstall.linkedInstalls)]; + let result = []; + for each (let i in aInstall.linkedInstalls) { + result.push(i.wrapper); + } + + return result; + }); + + this.install = function AIW_install() { + aInstall.install(); + } + + this.cancel = function AIW_cancel() { + aInstall.cancel(); + } + + this.addListener = function AIW_addListener(listener) { + aInstall.addListener(listener); + } + + this.removeListener = function AIW_removeListener(listener) { + aInstall.removeListener(listener); + } +} + +AddonInstallWrapper.prototype = {}; + +/** + * Creates a new update checker. + * + * @param aAddon + * The add-on to check for updates + * @param aListener + * An UpdateListener to notify of updates + * @param aReason + * The reason for the update check + * @param aAppVersion + * An optional application version to check for updates for + * @param aPlatformVersion + * An optional platform version to check for updates for + * @throws if the aListener or aReason arguments are not valid + */ +function UpdateChecker(aAddon, aListener, aReason, aAppVersion, aPlatformVersion) { + if (!aListener || !aReason) + throw Cr.NS_ERROR_INVALID_ARG; + + Components.utils.import("resource://gre/modules/addons/AddonUpdateChecker.jsm"); + + this.addon = aAddon; + aAddon._updateCheck = this; + XPIProvider.doing(this); + this.listener = aListener; + this.appVersion = aAppVersion; + this.platformVersion = aPlatformVersion; + this.syncCompatibility = (aReason == AddonManager.UPDATE_WHEN_NEW_APP_INSTALLED); + + let updateURL = aAddon.updateURL; + if (!updateURL) { + if (aReason == AddonManager.UPDATE_WHEN_PERIODIC_UPDATE && + Services.prefs.getPrefType(PREF_EM_UPDATE_BACKGROUND_URL) == Services.prefs.PREF_STRING) { + updateURL = Services.prefs.getCharPref(PREF_EM_UPDATE_BACKGROUND_URL); + } else { + updateURL = Services.prefs.getCharPref(PREF_EM_UPDATE_URL); + } + } + + const UPDATE_TYPE_COMPATIBILITY = 32; + const UPDATE_TYPE_NEWVERSION = 64; + + aReason |= UPDATE_TYPE_COMPATIBILITY; + if ("onUpdateAvailable" in this.listener) + aReason |= UPDATE_TYPE_NEWVERSION; + + let url = escapeAddonURI(aAddon, updateURL, aReason, aAppVersion); + this._parser = AddonUpdateChecker.checkForUpdates(aAddon.id, aAddon.updateKey, + url, this); +} + +UpdateChecker.prototype = { + addon: null, + listener: null, + appVersion: null, + platformVersion: null, + syncCompatibility: null, + + /** + * Calls a method on the listener passing any number of arguments and + * consuming any exceptions. + * + * @param aMethod + * The method to call on the listener + */ + callListener: function UC_callListener(aMethod, ...aArgs) { + if (!(aMethod in this.listener)) + return; + + try { + this.listener[aMethod].apply(this.listener, aArgs); + } + catch (e) { + logger.warn("Exception calling UpdateListener method " + aMethod, e); + } + }, + + /** + * Called when AddonUpdateChecker completes the update check + * + * @param updates + * The list of update details for the add-on + */ + onUpdateCheckComplete: function UC_onUpdateCheckComplete(aUpdates) { + XPIProvider.done(this.addon._updateCheck); + this.addon._updateCheck = null; + let AUC = AddonUpdateChecker; + + let ignoreMaxVersion = false; + let ignoreStrictCompat = false; + if (!AddonManager.checkCompatibility) { + ignoreMaxVersion = true; + ignoreStrictCompat = true; + } else if (this.addon.type in COMPATIBLE_BY_DEFAULT_TYPES && + !AddonManager.strictCompatibility && + !this.addon.strictCompatibility && + !this.addon.hasBinaryComponents) { + ignoreMaxVersion = true; + } + + // Always apply any compatibility update for the current version + let compatUpdate = AUC.getCompatibilityUpdate(aUpdates, this.addon.version, + this.syncCompatibility, + null, null, + ignoreMaxVersion, + ignoreStrictCompat); + // Apply the compatibility update to the database + if (compatUpdate) + this.addon.applyCompatibilityUpdate(compatUpdate, this.syncCompatibility); + + // If the request is for an application or platform version that is + // different to the current application or platform version then look for a + // compatibility update for those versions. + if ((this.appVersion && + Services.vc.compare(this.appVersion, Services.appinfo.version) != 0) || + (this.platformVersion && + Services.vc.compare(this.platformVersion, Services.appinfo.platformVersion) != 0)) { + compatUpdate = AUC.getCompatibilityUpdate(aUpdates, this.addon.version, + false, this.appVersion, + this.platformVersion, + ignoreMaxVersion, + ignoreStrictCompat); + } + + if (compatUpdate) + this.callListener("onCompatibilityUpdateAvailable", createWrapper(this.addon)); + else + this.callListener("onNoCompatibilityUpdateAvailable", createWrapper(this.addon)); + + function sendUpdateAvailableMessages(aSelf, aInstall) { + if (aInstall) { + aSelf.callListener("onUpdateAvailable", createWrapper(aSelf.addon), + aInstall.wrapper); + } + else { + aSelf.callListener("onNoUpdateAvailable", createWrapper(aSelf.addon)); + } + aSelf.callListener("onUpdateFinished", createWrapper(aSelf.addon), + AddonManager.UPDATE_STATUS_NO_ERROR); + } + + let compatOverrides = AddonManager.strictCompatibility ? + null : + this.addon.compatibilityOverrides; + + let update = AUC.getNewestCompatibleUpdate(aUpdates, + this.appVersion, + this.platformVersion, + ignoreMaxVersion, + ignoreStrictCompat, + compatOverrides); + + if (update && Services.vc.compare(this.addon.version, update.version) < 0) { + for (let currentInstall of XPIProvider.installs) { + // Skip installs that don't match the available update + if (currentInstall.existingAddon != this.addon || + currentInstall.version != update.version) + continue; + + // If the existing install has not yet started downloading then send an + // available update notification. If it is already downloading then + // don't send any available update notification + if (currentInstall.state == AddonManager.STATE_AVAILABLE) { + logger.debug("Found an existing AddonInstall for " + this.addon.id); + sendUpdateAvailableMessages(this, currentInstall); + } + else + sendUpdateAvailableMessages(this, null); + return; + } + + let self = this; + AddonInstall.createUpdate(function onUpdateCheckComplete_createUpdate(aInstall) { + sendUpdateAvailableMessages(self, aInstall); + }, this.addon, update); + } + else { + sendUpdateAvailableMessages(this, null); + } + }, + + /** + * Called when AddonUpdateChecker fails the update check + * + * @param aError + * An error status + */ + onUpdateCheckError: function UC_onUpdateCheckError(aError) { + XPIProvider.done(this.addon._updateCheck); + this.addon._updateCheck = null; + this.callListener("onNoCompatibilityUpdateAvailable", createWrapper(this.addon)); + this.callListener("onNoUpdateAvailable", createWrapper(this.addon)); + this.callListener("onUpdateFinished", createWrapper(this.addon), aError); + }, + + /** + * Called to cancel an in-progress update check + */ + cancel: function UC_cancel() { + let parser = this._parser; + if (parser) { + this._parser = null; + // This will call back to onUpdateCheckError with a CANCELLED error + parser.cancel(); + } + } +}; + +/** + * The AddonInternal is an internal only representation of add-ons. It may + * have come from the database (see DBAddonInternal in XPIProviderUtils.jsm) + * or an install manifest. + */ +function AddonInternal() { +} + +AddonInternal.prototype = { + _selectedLocale: null, + active: false, + visible: false, + userDisabled: false, + appDisabled: false, + softDisabled: false, + sourceURI: null, + releaseNotesURI: null, + foreignInstall: false, + + get selectedLocale() { + if (this._selectedLocale) + return this._selectedLocale; + let locale = findClosestLocale(this.locales); + this._selectedLocale = locale ? locale : this.defaultLocale; + return this._selectedLocale; + }, + + get providesUpdatesSecurely() { + return !!(this.updateKey || !this.updateURL || + this.updateURL.substring(0, 6) == "https:"); + }, + + get isCompatible() { + return this.isCompatibleWith(); + }, + + get disabled() { + return (this.userDisabled || this.appDisabled || this.softDisabled); + }, + + get isPlatformCompatible() { + if (this.targetPlatforms.length == 0) + return true; + + let matchedOS = false; + + // If any targetPlatform matches the OS and contains an ABI then we will + // only match a targetPlatform that contains both the current OS and ABI + let needsABI = false; + + // Some platforms do not specify an ABI, test against null in that case. + let abi = null; + try { + abi = Services.appinfo.XPCOMABI; + } + catch (e) { } + + // Something is causing errors in here + try { + for (let platform of this.targetPlatforms) { + if (platform.os == Services.appinfo.OS) { + if (platform.abi) { + needsABI = true; + if (platform.abi === abi) + return true; + } + else { + matchedOS = true; + } + } + } + } catch (e) { + let message = "Problem with addon " + this.id + " targetPlatforms " + + JSON.stringify(this.targetPlatforms); + logger.error(message, e); + AddonManagerPrivate.recordException("XPI", message, e); + // don't trust this add-on + return false; + } + + return matchedOS && !needsABI; + }, + + isCompatibleWith: function AddonInternal_isCompatibleWith(aAppVersion, aPlatformVersion) { + // Experiments are installed through an external mechanism that + // limits target audience to compatible clients. We trust it knows what + // it's doing and skip compatibility checks. + // + // This decision does forfeit defense in depth. If the experiments system + // is ever wrong about targeting an add-on to a specific application + // or platform, the client will likely see errors. + if (this.type == "experiment") { + return true; + } + + let app = this.matchingTargetApplication; + if (!app) + return false; + + if (!aAppVersion) + aAppVersion = Services.appinfo.version; + if (!aPlatformVersion) + aPlatformVersion = Services.appinfo.platformVersion; + + this.native = false; + + let version; + if (app.id == Services.appinfo.ID) { + version = aAppVersion; + this.native = true; + } +#ifdef MOZ_PHOENIX_EXTENSIONS + else if (app.id == FIREFOX_ID) { + version = FIREFOX_APPCOMPATVERSION; + if (this.type == "locale") + //Never allow language packs in Firefox compatibility mode + return false; + } +#endif + else if (app.id == TOOLKIT_ID) + version = aPlatformVersion + + // Only extensions and dictionaries can be compatible by default; themes + // and language packs always use strict compatibility checking. + if (this.type in COMPATIBLE_BY_DEFAULT_TYPES && + !AddonManager.strictCompatibility && !this.strictCompatibility && + !this.hasBinaryComponents) { + + // The repository can specify compatibility overrides. + // Note: For now, only blacklisting is supported by overrides. + if (this._repositoryAddon && + this._repositoryAddon.compatibilityOverrides) { + let overrides = this._repositoryAddon.compatibilityOverrides; + let override = AddonRepository.findMatchingCompatOverride(this.version, + overrides); + if (override && override.type == "incompatible") + return false; + } + + // Extremely old extensions should not be compatible by default. + let minCompatVersion; +#ifdef MOZ_PHOENIX_EXTENSIONS + if (app.id == Services.appinfo.ID || app.id == FIREFOX_ID) +#else + if (app.id == Services.appinfo.ID) +#endif + minCompatVersion = XPIProvider.minCompatibleAppVersion; + else if (app.id == TOOLKIT_ID) + minCompatVersion = XPIProvider.minCompatiblePlatformVersion; + + if (minCompatVersion && + Services.vc.compare(minCompatVersion, app.maxVersion) > 0) + return false; + + return Services.vc.compare(version, app.minVersion) >= 0; + } + + return (Services.vc.compare(version, app.minVersion) >= 0) && + (Services.vc.compare(version, app.maxVersion) <= 0) + }, + + get matchingTargetApplication() { + let app = null; + for (let targetApp of this.targetApplications) { + if (targetApp.id == Services.appinfo.ID) + return targetApp; + if (targetApp.id == TOOLKIT_ID) + app = targetApp; + } +#ifdef MOZ_PHOENIX_EXTENSIONS + //Special case: check for Firefox TargetApps. this has to be done AFTER + //the initial check to make sure appinfo.ID is preferred, even if + //Firefox is listed before it in the install manifest. + for (let targetApp of this.targetApplications) { + if (targetApp.id == FIREFOX_ID) //Firefox GUID + return targetApp; + } +#endif + // Return toolkit ID if toolkit. + return app; + }, + + get blocklistState() { + let staticItem = findMatchingStaticBlocklistItem(this); + if (staticItem) + return staticItem.level; + + return Blocklist.getAddonBlocklistState(createWrapper(this)); + }, + + get blocklistURL() { + let staticItem = findMatchingStaticBlocklistItem(this); + if (staticItem) { + let url = Services.urlFormatter.formatURLPref("extensions.blocklist.itemURL"); + return url.replace(/%blockID%/g, staticItem.blockID); + } + + return Blocklist.getAddonBlocklistURL(createWrapper(this)); + }, + + applyCompatibilityUpdate: function AddonInternal_applyCompatibilityUpdate(aUpdate, aSyncCompatibility) { + if (this.strictCompatibility) { + return; + } + this.targetApplications.forEach(function(aTargetApp) { + aUpdate.targetApplications.forEach(function(aUpdateTarget) { + if (aTargetApp.id == aUpdateTarget.id && (aSyncCompatibility || + Services.vc.compare(aTargetApp.maxVersion, aUpdateTarget.maxVersion) < 0)) { + aTargetApp.minVersion = aUpdateTarget.minVersion; + aTargetApp.maxVersion = aUpdateTarget.maxVersion; + } + }); + }); + if (aUpdate.multiprocessCompatible !== undefined) + this.multiprocessCompatible = aUpdate.multiprocessCompatible; + this.appDisabled = !isUsableAddon(this); + }, + + /** + * getDataDirectory tries to execute the callback with two arguments: + * 1) the path of the data directory within the profile, + * 2) any exception generated from trying to build it. + */ + getDataDirectory: function(callback) { + let parentPath = OS.Path.join(OS.Constants.Path.profileDir, "extension-data"); + let dirPath = OS.Path.join(parentPath, this.id); + + Task.spawn(function*() { + yield OS.File.makeDir(parentPath, {ignoreExisting: true}); + yield OS.File.makeDir(dirPath, {ignoreExisting: true}); + }).then(() => callback(dirPath, null), + e => callback(dirPath, e)); + }, + + /** + * toJSON is called by JSON.stringify in order to create a filtered version + * of this object to be serialized to a JSON file. A new object is returned + * with copies of all non-private properties. Functions, getters and setters + * are not copied. + * + * @param aKey + * The key that this object is being serialized as in the JSON. + * Unused here since this is always the main object serialized + * + * @return an object containing copies of the properties of this object + * ignoring private properties, functions, getters and setters + */ + toJSON: function AddonInternal_toJSON(aKey) { + let obj = {}; + for (let prop in this) { + // Ignore private properties + if (prop.substring(0, 1) == "_") + continue; + + // Ignore getters + if (this.__lookupGetter__(prop)) + continue; + + // Ignore setters + if (this.__lookupSetter__(prop)) + continue; + + // Ignore functions + if (typeof this[prop] == "function") + continue; + + obj[prop] = this[prop]; + } + + return obj; + }, + + /** + * When an add-on install is pending its metadata will be cached in a file. + * This method reads particular properties of that metadata that may be newer + * than that in the install manifest, like compatibility information. + * + * @param aObj + * A JS object containing the cached metadata + */ + importMetadata: function AddonInternal_importMetaData(aObj) { + PENDING_INSTALL_METADATA.forEach(function(aProp) { + if (!(aProp in aObj)) + return; + + this[aProp] = aObj[aProp]; + }, this); + + // Compatibility info may have changed so update appDisabled + this.appDisabled = !isUsableAddon(this); + }, + + permissions: function AddonInternal_permissions() { + let permissions = 0; + + // Add-ons that aren't installed cannot be modified in any way + if (!(this.inDatabase)) + return permissions; + + // Experiments can only be uninstalled. An uninstall reflects the user + // intent of "disable this experiment." This is partially managed by the + // experiments manager. + if (this.type == "experiment") { + return AddonManager.PERM_CAN_UNINSTALL; + } + + if (!this.appDisabled) { + if (this.userDisabled || this.softDisabled) { + permissions |= AddonManager.PERM_CAN_ENABLE; + } + else if (this.type != "theme") { + permissions |= AddonManager.PERM_CAN_DISABLE; + } + } + + // Add-ons that are in locked install locations, or are pending uninstall + // cannot be upgraded or uninstalled + if (!this._installLocation.locked && !this.pendingUninstall) { + // Add-ons that are installed by a file link cannot be upgraded + if (!this._installLocation.isLinkedAddon(this.id)) { + permissions |= AddonManager.PERM_CAN_UPGRADE; + } + + permissions |= AddonManager.PERM_CAN_UNINSTALL; + } + + return permissions; + }, +}; + +/** + * Creates an AddonWrapper for an AddonInternal. + * + * @param addon + * The AddonInternal to wrap + * @return an AddonWrapper or null if addon was null + */ +function createWrapper(aAddon) { + if (!aAddon) + return null; + if (!aAddon._wrapper) { + aAddon._hasResourceCache = new Map(); + aAddon._wrapper = new AddonWrapper(aAddon); + } + return aAddon._wrapper; +} + +/** + * The AddonWrapper wraps an Addon to provide the data visible to consumers of + * the public API. + */ +function AddonWrapper(aAddon) { +#ifdef MOZ_EM_DEBUG + this.__defineGetter__("__AddonInternal__", function AW_debugGetter() { + return aAddon; + }); +#endif + + function chooseValue(aObj, aProp) { + let repositoryAddon = aAddon._repositoryAddon; + let objValue = aObj[aProp]; + + if (repositoryAddon && (aProp in repositoryAddon) && + (objValue === undefined || objValue === null)) { + return [repositoryAddon[aProp], true]; + } + + return [objValue, false]; + } + + ["id", "syncGUID", "version", "type", "isCompatible", "isPlatformCompatible", + "providesUpdatesSecurely", "blocklistState", "blocklistURL", "appDisabled", + "softDisabled", "skinnable", "size", "foreignInstall", "hasBinaryComponents", + "strictCompatibility", "compatibilityOverrides", "updateURL", + "getDataDirectory", "multiprocessCompatible", "jetsdk", "native"].forEach(function(aProp) { + this.__defineGetter__(aProp, function AddonWrapper_propertyGetter() aAddon[aProp]); + }, this); + + ["fullDescription", "developerComments", "eula", "supportURL", + "contributionURL", "contributionAmount", "averageRating", "reviewCount", + "reviewURL", "totalDownloads", "weeklyDownloads", "dailyUsers", + "repositoryStatus"].forEach(function(aProp) { + this.__defineGetter__(aProp, function AddonWrapper_repoPropertyGetter() { + if (aAddon._repositoryAddon) + return aAddon._repositoryAddon[aProp]; + + return null; + }); + }, this); + + this.__defineGetter__("aboutURL", function AddonWrapper_aboutURLGetter() { + return this.isActive ? aAddon["aboutURL"] : null; + }); + + ["installDate", "updateDate"].forEach(function(aProp) { + this.__defineGetter__(aProp, function AddonWrapper_datePropertyGetter() new Date(aAddon[aProp])); + }, this); + + ["sourceURI", "releaseNotesURI"].forEach(function(aProp) { + this.__defineGetter__(aProp, function AddonWrapper_URIPropertyGetter() { + let [target, fromRepo] = chooseValue(aAddon, aProp); + if (!target) + return null; + if (fromRepo) + return target; + return NetUtil.newURI(target); + }); + }, this); + + this.__defineGetter__("optionsURL", function AddonWrapper_optionsURLGetter() { + if (this.isActive && aAddon.optionsURL) + return aAddon.optionsURL; + + if (this.isActive && this.hasResource("options.xul")) + return this.getResourceURI("options.xul").spec; + + return null; + }, this); + + this.__defineGetter__("optionsType", function AddonWrapper_optionsTypeGetter() { + if (!this.isActive) + return null; + + let hasOptionsXUL = this.hasResource("options.xul"); + let hasOptionsURL = !!this.optionsURL; + + if (aAddon.optionsType) { + switch (parseInt(aAddon.optionsType, 10)) { + case AddonManager.OPTIONS_TYPE_DIALOG: + case AddonManager.OPTIONS_TYPE_TAB: + return hasOptionsURL ? aAddon.optionsType : null; + case AddonManager.OPTIONS_TYPE_INLINE: + case AddonManager.OPTIONS_TYPE_INLINE_INFO: + return (hasOptionsXUL || hasOptionsURL) ? aAddon.optionsType : null; + } + return null; + } + + if (hasOptionsXUL) + return AddonManager.OPTIONS_TYPE_INLINE; + + if (hasOptionsURL) + return AddonManager.OPTIONS_TYPE_DIALOG; + + return null; + }, this); + + this.__defineGetter__("iconURL", function AddonWrapper_iconURLGetter() { + return this.icons[32] || undefined; + }, this); + + this.__defineGetter__("icon64URL", function AddonWrapper_icon64URLGetter() { + return this.icons[64] || undefined; + }, this); + + this.__defineGetter__("icons", function AddonWrapper_iconsGetter() { + let icons = {}; + if (aAddon._repositoryAddon) { + for (let size in aAddon._repositoryAddon.icons) { + icons[size] = aAddon._repositoryAddon.icons[size]; + } + } + if (this.isActive && aAddon.iconURL) { + icons[32] = aAddon.iconURL; + } else if (this.hasResource("icon.png")) { + icons[32] = this.getResourceURI("icon.png").spec; + } + if (this.isActive && aAddon.icon64URL) { + icons[64] = aAddon.icon64URL; + } else if (this.hasResource("icon64.png")) { + icons[64] = this.getResourceURI("icon64.png").spec; + } + Object.freeze(icons); + return icons; + }, this); + + PROP_LOCALE_SINGLE.forEach(function(aProp) { + this.__defineGetter__(aProp, function AddonWrapper_singleLocaleGetter() { + // Override XPI creator if repository creator is defined + if (aProp == "creator" && + aAddon._repositoryAddon && aAddon._repositoryAddon.creator) { + return aAddon._repositoryAddon.creator; + } + + let result = null; + + if (aAddon.active) { + try { + let pref = PREF_EM_EXTENSION_FORMAT + aAddon.id + "." + aProp; + let value = Preferences.get(pref, null, Ci.nsIPrefLocalizedString); + if (value) + result = value; + } + catch (e) { + } + } + + if (result == null) { + if (typeof aAddon.selectedLocale[aProp] == "string" && aAddon.selectedLocale[aProp].length) + [result, ] = chooseValue(aAddon.selectedLocale, aProp); + else + [result, ] = chooseValue(aAddon.defaultLocale, aProp); + } + + if (aProp == "creator") + return result ? new AddonManagerPrivate.AddonAuthor(result) : null; + + return result; + }); + }, this); + + PROP_LOCALE_MULTI.forEach(function(aProp) { + this.__defineGetter__(aProp, function AddonWrapper_multiLocaleGetter() { + let results = null; + let usedRepository = false; + + if (aAddon.active) { + let pref = PREF_EM_EXTENSION_FORMAT + aAddon.id + "." + + aProp.substring(0, aProp.length - 1); + let list = Services.prefs.getChildList(pref, {}); + if (list.length > 0) { + list.sort(); + results = []; + list.forEach(function(aPref) { + let value = Preferences.get(aPref, null, Ci.nsIPrefLocalizedString); + if (value) + results.push(value); + }); + } + } + + if (results == null) { + if (aAddon.selectedLocale[aProp] instanceof Array && aAddon.selectedLocale[aProp].length) + [results, usedRepository] = chooseValue(aAddon.selectedLocale, aProp); + else + [results, usedRepository] = chooseValue(aAddon.defaultLocale, aProp); + } + + if (results && !usedRepository) { + results = results.map(function mapResult(aResult) { + return new AddonManagerPrivate.AddonAuthor(aResult); + }); + } + + return results; + }); + }, this); + + this.__defineGetter__("screenshots", function AddonWrapper_screenshotsGetter() { + let repositoryAddon = aAddon._repositoryAddon; + if (repositoryAddon && ("screenshots" in repositoryAddon)) { + let repositoryScreenshots = repositoryAddon.screenshots; + if (repositoryScreenshots && repositoryScreenshots.length > 0) + return repositoryScreenshots; + } + + if (aAddon.type == "theme" && this.hasResource("preview.png")) { + let url = this.getResourceURI("preview.png").spec; + return [new AddonManagerPrivate.AddonScreenshot(url)]; + } + + return null; + }); + + this.__defineGetter__("applyBackgroundUpdates", function AddonWrapper_applyBackgroundUpdatesGetter() { + return aAddon.applyBackgroundUpdates; + }); + this.__defineSetter__("applyBackgroundUpdates", function AddonWrapper_applyBackgroundUpdatesSetter(val) { + if (this.type == "experiment") { + logger.warn("Setting applyBackgroundUpdates on an experiment is not supported."); + return; + } + + if (val != AddonManager.AUTOUPDATE_DEFAULT && + val != AddonManager.AUTOUPDATE_DISABLE && + val != AddonManager.AUTOUPDATE_ENABLE) { + val = val ? AddonManager.AUTOUPDATE_DEFAULT : + AddonManager.AUTOUPDATE_DISABLE; + } + + if (val == aAddon.applyBackgroundUpdates) + return val; + + XPIDatabase.setAddonProperties(aAddon, { + applyBackgroundUpdates: val + }); + AddonManagerPrivate.callAddonListeners("onPropertyChanged", this, ["applyBackgroundUpdates"]); + + return val; + }); + + this.__defineSetter__("syncGUID", function AddonWrapper_syncGUIDGetter(val) { + if (aAddon.syncGUID == val) + return val; + + if (aAddon.inDatabase) + XPIDatabase.setAddonSyncGUID(aAddon, val); + + aAddon.syncGUID = val; + + return val; + }); + + this.__defineGetter__("install", function AddonWrapper_installGetter() { + if (!("_install" in aAddon) || !aAddon._install) + return null; + return aAddon._install.wrapper; + }); + + this.__defineGetter__("pendingUpgrade", function AddonWrapper_pendingUpgradeGetter() { + return createWrapper(aAddon.pendingUpgrade); + }); + + this.__defineGetter__("scope", function AddonWrapper_scopeGetter() { + if (aAddon._installLocation) + return aAddon._installLocation.scope; + + return AddonManager.SCOPE_PROFILE; + }); + + this.__defineGetter__("pendingOperations", function AddonWrapper_pendingOperationsGetter() { + let pending = 0; + if (!(aAddon.inDatabase)) { + // Add-on is pending install if there is no associated install (shouldn't + // happen here) or if the install is in the process of or has successfully + // completed the install. If an add-on is pending install then we ignore + // any other pending operations. + if (!aAddon._install || aAddon._install.state == AddonManager.STATE_INSTALLING || + aAddon._install.state == AddonManager.STATE_INSTALLED) + return AddonManager.PENDING_INSTALL; + } + else if (aAddon.pendingUninstall) { + // If an add-on is pending uninstall then we ignore any other pending + // operations + return AddonManager.PENDING_UNINSTALL; + } + + // Extensions have an intentional inconsistency between what the DB says is + // enabled and what we say to the ouside world. so we need to cover up that + // lie here as well. + if (aAddon.type != "experiment") { + if (aAddon.active && aAddon.disabled) + pending |= AddonManager.PENDING_DISABLE; + else if (!aAddon.active && !aAddon.disabled) + pending |= AddonManager.PENDING_ENABLE; + } + + if (aAddon.pendingUpgrade) + pending |= AddonManager.PENDING_UPGRADE; + + return pending; + }); + + this.__defineGetter__("operationsRequiringRestart", function AddonWrapper_operationsRequiringRestartGetter() { + let ops = 0; + if (XPIProvider.installRequiresRestart(aAddon)) + ops |= AddonManager.OP_NEEDS_RESTART_INSTALL; + if (XPIProvider.uninstallRequiresRestart(aAddon)) + ops |= AddonManager.OP_NEEDS_RESTART_UNINSTALL; + if (XPIProvider.enableRequiresRestart(aAddon)) + ops |= AddonManager.OP_NEEDS_RESTART_ENABLE; + if (XPIProvider.disableRequiresRestart(aAddon)) + ops |= AddonManager.OP_NEEDS_RESTART_DISABLE; + + return ops; + }); + + this.__defineGetter__("isDebuggable", function AddonWrapper_isDebuggable() { + return this.isActive && aAddon.bootstrap; + }); + + this.__defineGetter__("permissions", function AddonWrapper_permisionsGetter() { + return aAddon.permissions(); + }); + + this.__defineGetter__("isActive", function AddonWrapper_isActiveGetter() { + if (Services.appinfo.inSafeMode) + return false; + return aAddon.active; + }); + + this.__defineGetter__("userDisabled", function AddonWrapper_userDisabledGetter() { + if (XPIProvider._enabledExperiments.has(aAddon.id)) { + return false; + } + + return aAddon.softDisabled || aAddon.userDisabled; + }); + this.__defineSetter__("userDisabled", function AddonWrapper_userDisabledSetter(val) { + if (val == this.userDisabled) { + return val; + } + + if (aAddon.type == "experiment") { + if (val) { + XPIProvider._enabledExperiments.delete(aAddon.id); + } else { + XPIProvider._enabledExperiments.add(aAddon.id); + } + } + + if (aAddon.inDatabase) { + if (aAddon.type == "theme" && val) { + if (aAddon.internalName == XPIProvider.defaultSkin) + throw new Error("Cannot disable the default theme"); + XPIProvider.enableDefaultTheme(); + } + else { + XPIProvider.updateAddonDisabledState(aAddon, val); + } + } + else { + aAddon.userDisabled = val; + // When enabling remove the softDisabled flag + if (!val) + aAddon.softDisabled = false; + } + + return val; + }); + + this.__defineSetter__("softDisabled", function AddonWrapper_softDisabledSetter(val) { + if (val == aAddon.softDisabled) + return val; + + if (aAddon.inDatabase) { + // When softDisabling a theme just enable the active theme + if (aAddon.type == "theme" && val && !aAddon.userDisabled) { + if (aAddon.internalName == XPIProvider.defaultSkin) + throw new Error("Cannot disable the default theme"); + XPIProvider.enableDefaultTheme(); + } + else { + XPIProvider.updateAddonDisabledState(aAddon, undefined, val); + } + } + else { + // Only set softDisabled if not already disabled + if (!aAddon.userDisabled) + aAddon.softDisabled = val; + } + + return val; + }); + + this.isCompatibleWith = function AddonWrapper_isCompatiblewith(aAppVersion, aPlatformVersion) { + return aAddon.isCompatibleWith(aAppVersion, aPlatformVersion); + }; + + this.uninstall = function AddonWrapper_uninstall(alwaysAllowUndo) { + XPIProvider.uninstallAddon(aAddon, alwaysAllowUndo); + }; + + this.cancelUninstall = function AddonWrapper_cancelUninstall() { + XPIProvider.cancelUninstallAddon(aAddon); + }; + + this.findUpdates = function AddonWrapper_findUpdates(aListener, aReason, aAppVersion, aPlatformVersion) { + // Short-circuit updates for experiments because updates are handled + // through the Experiments Manager. + if (this.type == "experiment") { + AddonManagerPrivate.callNoUpdateListeners(this, aListener, aReason, + aAppVersion, aPlatformVersion); + return; + } + + new UpdateChecker(aAddon, aListener, aReason, aAppVersion, aPlatformVersion); + }; + + // Returns true if there was an update in progress, false if there was no update to cancel + this.cancelUpdate = function AddonWrapper_cancelUpdate() { + if (aAddon._updateCheck) { + aAddon._updateCheck.cancel(); + return true; + } + return false; + }; + + this.hasResource = function AddonWrapper_hasResource(aPath) { + if (aAddon._hasResourceCache.has(aPath)) + return aAddon._hasResourceCache.get(aPath); + + let bundle = aAddon._sourceBundle.clone(); + + // Bundle may not exist any more if the addon has just been uninstalled, + // but explicitly first checking .exists() results in unneeded file I/O. + try { + var isDir = bundle.isDirectory(); + } catch (e) { + aAddon._hasResourceCache.set(aPath, false); + return false; + } + + if (isDir) { + if (aPath) { + aPath.split("/").forEach(function(aPart) { + bundle.append(aPart); + }); + } + let result = bundle.exists(); + aAddon._hasResourceCache.set(aPath, result); + return result; + } + + let zipReader = Cc["@mozilla.org/libjar/zip-reader;1"]. + createInstance(Ci.nsIZipReader); + try { + zipReader.open(bundle); + let result = zipReader.hasEntry(aPath); + aAddon._hasResourceCache.set(aPath, result); + return result; + } + catch (e) { + aAddon._hasResourceCache.set(aPath, false); + return false; + } + finally { + zipReader.close(); + } + }, + + /** + * Returns a URI to the selected resource or to the add-on bundle if aPath + * is null. URIs to the bundle will always be file: URIs. URIs to resources + * will be file: URIs if the add-on is unpacked or jar: URIs if the add-on is + * still an XPI file. + * + * @param aPath + * The path in the add-on to get the URI for or null to get a URI to + * the file or directory the add-on is installed as. + * @return an nsIURI + */ + this.getResourceURI = function AddonWrapper_getResourceURI(aPath) { + if (!aPath) + return NetUtil.newURI(aAddon._sourceBundle); + + return getURIForResourceInFile(aAddon._sourceBundle, aPath); + } +} + +/** + * An object which identifies a directory install location for add-ons. The + * location consists of a directory which contains the add-ons installed in the + * location. + * + * Each add-on installed in the location is either a directory containing the + * add-on's files or a text file containing an absolute path to the directory + * containing the add-ons files. The directory or text file must have the same + * name as the add-on's ID. + * + * There may also a special directory named "staged" which can contain + * directories with the same name as an add-on ID. If the directory is empty + * then it means the add-on will be uninstalled from this location during the + * next startup. If the directory contains the add-on's files then they will be + * installed during the next startup. + * + * @param aName + * The string identifier for the install location + * @param aDirectory + * The nsIFile directory for the install location + * @param aScope + * The scope of add-ons installed in this location + * @param aLocked + * true if add-ons cannot be installed, uninstalled or upgraded in the + * install location + */ +function DirectoryInstallLocation(aName, aDirectory, aScope, aLocked) { + this._name = aName; + this.locked = aLocked; + this._directory = aDirectory; + this._scope = aScope + this._IDToFileMap = {}; + this._FileToIDMap = {}; + this._linkedAddons = []; + this._stagingDirLock = 0; + + if (!aDirectory.exists()) + return; + if (!aDirectory.isDirectory()) + throw new Error("Location must be a directory."); + + this._readAddons(); +} + +DirectoryInstallLocation.prototype = { + _name : "", + _directory : null, + _IDToFileMap : null, // mapping from add-on ID to nsIFile + _FileToIDMap : null, // mapping from add-on path to add-on ID + + /** + * Reads a directory linked to in a file. + * + * @param file + * The file containing the directory path + * @return An nsIFile object representing the linked directory. + */ + _readDirectoryFromFile: function DirInstallLocation__readDirectoryFromFile(aFile) { + let fis = Cc["@mozilla.org/network/file-input-stream;1"]. + createInstance(Ci.nsIFileInputStream); + fis.init(aFile, -1, -1, false); + let line = { value: "" }; + if (fis instanceof Ci.nsILineInputStream) + fis.readLine(line); + fis.close(); + if (line.value) { + let linkedDirectory = Cc["@mozilla.org/file/local;1"]. + createInstance(Ci.nsIFile); + + try { + linkedDirectory.initWithPath(line.value); + } + catch (e) { + linkedDirectory.setRelativeDescriptor(aFile.parent, line.value); + } + + if (!linkedDirectory.exists()) { + logger.warn("File pointer " + aFile.path + " points to " + linkedDirectory.path + + " which does not exist"); + return null; + } + + if (!linkedDirectory.isDirectory()) { + logger.warn("File pointer " + aFile.path + " points to " + linkedDirectory.path + + " which is not a directory"); + return null; + } + + return linkedDirectory; + } + + logger.warn("File pointer " + aFile.path + " does not contain a path"); + return null; + }, + + /** + * Finds all the add-ons installed in this location. + */ + _readAddons: function DirInstallLocation__readAddons() { + // Use a snapshot of the directory contents to avoid possible issues with + // iterating over a directory while removing files from it (the YAFFS2 + // embedded filesystem has this issue, see bug 772238). + let entries = getDirectoryEntries(this._directory); + for (let entry of entries) { + let id = entry.leafName; + + if (id == DIR_STAGE || id == DIR_XPI_STAGE || id == DIR_TRASH) + continue; + + let directLoad = false; + if (entry.isFile() && + id.substring(id.length - 4).toLowerCase() == ".xpi") { + directLoad = true; + id = id.substring(0, id.length - 4); + } + + if (!gIDTest.test(id)) { + logger.debug("Ignoring file entry whose name is not a valid add-on ID: " + + entry.path); + continue; + } + + if (entry.isFile() && !directLoad) { + let newEntry = this._readDirectoryFromFile(entry); + if (!newEntry) { + logger.debug("Deleting stale pointer file " + entry.path); + try { + entry.remove(true); + } + catch (e) { + logger.warn("Failed to remove stale pointer file " + entry.path, e); + // Failing to remove the stale pointer file is ignorable + } + continue; + } + + entry = newEntry; + this._linkedAddons.push(id); + } + + this._IDToFileMap[id] = entry; + this._FileToIDMap[entry.path] = id; + XPIProvider._addURIMapping(id, entry); + } + }, + + /** + * Gets the name of this install location. + */ + get name() { + return this._name; + }, + + /** + * Gets the scope of this install location. + */ + get scope() { + return this._scope; + }, + + /** + * Gets an array of nsIFiles for add-ons installed in this location. + */ + get addonLocations() { + let locations = []; + for (let id in this._IDToFileMap) { + locations.push(this._IDToFileMap[id].clone()); + } + return locations; + }, + + /** + * Gets the staging directory to put add-ons that are pending install and + * uninstall into. + * + * @return an nsIFile + */ + getStagingDir: function DirInstallLocation_getStagingDir() { + let dir = this._directory.clone(); + dir.append(DIR_STAGE); + return dir; + }, + + requestStagingDir: function() { + this._stagingDirLock++; + + if (this._stagingDirPromise) + return this._stagingDirPromise; + + OS.File.makeDir(this._directory.path); + let stagepath = OS.Path.join(this._directory.path, DIR_STAGE); + return this._stagingDirPromise = OS.File.makeDir(stagepath).then(null, (e) => { + if (e instanceof OS.File.Error && e.becauseExists) + return; + logger.error("Failed to create staging directory", e); + throw e; + }); + }, + + releaseStagingDir: function() { + this._stagingDirLock--; + + if (this._stagingDirLock == 0) { + this._stagingDirPromise = null; + this.cleanStagingDir(); + } + + return Promise.resolve(); + }, + + /** + * Removes the specified files or directories in the staging directory and + * then if the staging directory is empty attempts to remove it. + * + * @param aLeafNames + * An array of file or directory to remove from the directory, the + * array may be empty + */ + cleanStagingDir: function(aLeafNames = []) { + let dir = this.getStagingDir(); + + for (let name of aLeafNames) { + let file = dir.clone(); + file.append(name); + recursiveRemove(file); + } + + if (this._stagingDirLock > 0) + return; + + let dirEntries = dir.directoryEntries.QueryInterface(Ci.nsIDirectoryEnumerator); + try { + if (dirEntries.nextFile) + return; + } + finally { + dirEntries.close(); + } + + try { + setFilePermissions(dir, FileUtils.PERMS_DIRECTORY); + dir.remove(false); + } + catch (e) { + logger.warn("Failed to remove staging dir", e); + // Failing to remove the staging directory is ignorable + } + }, + + /** + * Gets the directory used by old versions for staging XPI and JAR files ready + * to be installed. + * + * @return an nsIFile + */ + getXPIStagingDir: function DirInstallLocation_getXPIStagingDir() { + let dir = this._directory.clone(); + dir.append(DIR_XPI_STAGE); + return dir; + }, + + /** + * Returns a directory that is normally on the same filesystem as the rest of + * the install location and can be used for temporarily storing files during + * safe move operations. Calling this method will delete the existing trash + * directory and its contents. + * + * @return an nsIFile + */ + getTrashDir: function DirInstallLocation_getTrashDir() { + let trashDir = this._directory.clone(); + trashDir.append(DIR_TRASH); + let trashDirExists = trashDir.exists(); + try { + if (trashDirExists) + recursiveRemove(trashDir); + trashDirExists = false; + } catch (e) { + logger.warn("Failed to remove trash directory", e); + } + if (!trashDirExists) + trashDir.create(Ci.nsIFile.DIRECTORY_TYPE, FileUtils.PERMS_DIRECTORY); + return trashDir; + }, + + /** + * Installs an add-on into the install location. + * + * @param aId + * The ID of the add-on to install + * @param aSource + * The source nsIFile to install from + * @param aExistingAddonID + * The ID of an existing add-on to uninstall at the same time + * @param aCopy + * If false the source files will be moved to the new location, + * otherwise they will only be copied + * @return an nsIFile indicating where the add-on was installed to + */ + installAddon: function DirInstallLocation_installAddon(aId, aSource, + aExistingAddonID, + aCopy) { + let trashDir = this.getTrashDir(); + + let transaction = new SafeInstallOperation(); + + let self = this; + function moveOldAddon(aId) { + let file = self._directory.clone(); + file.append(aId); + + if (file.exists()) + transaction.moveUnder(file, trashDir); + + file = self._directory.clone(); + file.append(aId + ".xpi"); + if (file.exists()) { + flushJarCache(file); + transaction.moveUnder(file, trashDir); + } + } + + // If any of these operations fails the finally block will clean up the + // temporary directory + try { + moveOldAddon(aId); + if (aExistingAddonID && aExistingAddonID != aId) { + moveOldAddon(aExistingAddonID); + + { + // Move the data directories. + /* XXX ajvincent We can't use OS.File: installAddon isn't compatible + * with Promises, nor is SafeInstallOperation. Bug 945540 has been filed + * for porting to OS.File. + */ + let oldDataDir = FileUtils.getDir( + KEY_PROFILEDIR, ["extension-data", aExistingAddonID], false, true + ); + + if (oldDataDir.exists()) { + let newDataDir = FileUtils.getDir( + KEY_PROFILEDIR, ["extension-data", aId], false, true + ); + if (newDataDir.exists()) { + let trashData = trashDir.clone(); + trashData.append("data-directory"); + transaction.moveUnder(newDataDir, trashData); + } + + transaction.moveTo(oldDataDir, newDataDir); + } + } + } + + if (aCopy) { + transaction.copy(aSource, this._directory); + } + else { + if (aSource.isFile()) + flushJarCache(aSource); + + transaction.moveUnder(aSource, this._directory); + } + } + finally { + // It isn't ideal if this cleanup fails but it isn't worth rolling back + // the install because of it. + try { + recursiveRemove(trashDir); + } + catch (e) { + logger.warn("Failed to remove trash directory when installing " + aId, e); + } + } + + let newFile = this._directory.clone(); + newFile.append(aSource.leafName); + try { + newFile.lastModifiedTime = Date.now(); + } catch (e) { + logger.warn("failed to set lastModifiedTime on " + newFile.path, e); + } + this._FileToIDMap[newFile.path] = aId; + this._IDToFileMap[aId] = newFile; + XPIProvider._addURIMapping(aId, newFile); + + if (aExistingAddonID && aExistingAddonID != aId && + aExistingAddonID in this._IDToFileMap) { + delete this._FileToIDMap[this._IDToFileMap[aExistingAddonID]]; + delete this._IDToFileMap[aExistingAddonID]; + } + + return newFile; + }, + + /** + * Uninstalls an add-on from this location. + * + * @param aId + * The ID of the add-on to uninstall + * @throws if the ID does not match any of the add-ons installed + */ + uninstallAddon: function DirInstallLocation_uninstallAddon(aId) { + let file = this._IDToFileMap[aId]; + if (!file) { + logger.warn("Attempted to remove " + aId + " from " + + this._name + " but it was already gone"); + return; + } + + file = this._directory.clone(); + file.append(aId); + if (!file.exists()) + file.leafName += ".xpi"; + + if (!file.exists()) { + logger.warn("Attempted to remove " + aId + " from " + + this._name + " but it was already gone"); + + delete this._FileToIDMap[file.path]; + delete this._IDToFileMap[aId]; + return; + } + + let trashDir = this.getTrashDir(); + + if (file.leafName != aId) { + logger.debug("uninstallAddon: flushing jar cache " + file.path + " for addon " + aId); + flushJarCache(file); + } + + let transaction = new SafeInstallOperation(); + + try { + transaction.moveUnder(file, trashDir); + } + finally { + // It isn't ideal if this cleanup fails, but it is probably better than + // rolling back the uninstall at this point + try { + recursiveRemove(trashDir); + } + catch (e) { + logger.warn("Failed to remove trash directory when uninstalling " + aId, e); + } + } + + delete this._FileToIDMap[file.path]; + delete this._IDToFileMap[aId]; + }, + + /** + * Gets the ID of the add-on installed in the given nsIFile. + * + * @param aFile + * The nsIFile to look in + * @return the ID + * @throws if the file does not represent an installed add-on + */ + getIDForLocation: function DirInstallLocation_getIDForLocation(aFile) { + if (aFile.path in this._FileToIDMap) + return this._FileToIDMap[aFile.path]; + throw new Error("Unknown add-on location " + aFile.path); + }, + + /** + * Gets the directory that the add-on with the given ID is installed in. + * + * @param aId + * The ID of the add-on + * @return The nsIFile + * @throws if the ID does not match any of the add-ons installed + */ + getLocationForID: function DirInstallLocation_getLocationForID(aId) { + if (aId in this._IDToFileMap) + return this._IDToFileMap[aId].clone(); + throw new Error("Unknown add-on ID " + aId); + }, + + /** + * Returns true if the given addon was installed in this location by a text + * file pointing to its real path. + * + * @param aId + * The ID of the addon + */ + isLinkedAddon: function DirInstallLocation__isLinkedAddon(aId) { + return this._linkedAddons.indexOf(aId) != -1; + } +}; + +#ifdef XP_WIN +/** + * An object that identifies a registry install location for add-ons. The location + * consists of a registry key which contains string values mapping ID to the + * path where an add-on is installed + * + * @param aName + * The string identifier of this Install Location. + * @param aRootKey + * The root key (one of the ROOT_KEY_ values from nsIWindowsRegKey). + * @param scope + * The scope of add-ons installed in this location + */ +function WinRegInstallLocation(aName, aRootKey, aScope) { + this.locked = true; + this._name = aName; + this._rootKey = aRootKey; + this._scope = aScope; + this._IDToFileMap = {}; + this._FileToIDMap = {}; + + let path = this._appKeyPath + "\\Extensions"; + let key = Cc["@mozilla.org/windows-registry-key;1"]. + createInstance(Ci.nsIWindowsRegKey); + + // Reading the registry may throw an exception, and that's ok. In error + // cases, we just leave ourselves in the empty state. + try { + key.open(this._rootKey, path, Ci.nsIWindowsRegKey.ACCESS_READ); + } + catch (e) { + return; + } + + this._readAddons(key); + key.close(); +} + +WinRegInstallLocation.prototype = { + _name : "", + _rootKey : null, + _scope : null, + _IDToFileMap : null, // mapping from ID to nsIFile + _FileToIDMap : null, // mapping from path to ID + + /** + * Retrieves the path of this Application's data key in the registry. + */ + get _appKeyPath() { + let appVendor = Services.appinfo.vendor; + let appName = Services.appinfo.name; + +#ifdef MOZ_THUNDERBIRD + // XXX Thunderbird doesn't specify a vendor string + if (appVendor == "") + appVendor = "Mozilla"; +#endif + + // XULRunner-based apps may intentionally not specify a vendor + if (appVendor != "") + appVendor += "\\"; + + return "SOFTWARE\\" + appVendor + appName; + }, + + /** + * Read the registry and build a mapping between ID and path for each + * installed add-on. + * + * @param key + * The key that contains the ID to path mapping + */ + _readAddons: function RegInstallLocation__readAddons(aKey) { + let count = aKey.valueCount; + for (let i = 0; i < count; ++i) { + let id = aKey.getValueName(i); + + let file = Cc["@mozilla.org/file/local;1"]. + createInstance(Ci.nsIFile); + file.initWithPath(aKey.readStringValue(id)); + + if (!file.exists()) { + logger.warn("Ignoring missing add-on in " + file.path); + continue; + } + + this._IDToFileMap[id] = file; + this._FileToIDMap[file.path] = id; + XPIProvider._addURIMapping(id, file); + } + }, + + /** + * Gets the name of this install location. + */ + get name() { + return this._name; + }, + + /** + * Gets the scope of this install location. + */ + get scope() { + return this._scope; + }, + + /** + * Gets an array of nsIFiles for add-ons installed in this location. + */ + get addonLocations() { + let locations = []; + for (let id in this._IDToFileMap) { + locations.push(this._IDToFileMap[id].clone()); + } + return locations; + }, + + /** + * Gets the ID of the add-on installed in the given nsIFile. + * + * @param aFile + * The nsIFile to look in + * @return the ID + * @throws if the file does not represent an installed add-on + */ + getIDForLocation: function RegInstallLocation_getIDForLocation(aFile) { + if (aFile.path in this._FileToIDMap) + return this._FileToIDMap[aFile.path]; + throw new Error("Unknown add-on location"); + }, + + /** + * Gets the nsIFile that the add-on with the given ID is installed in. + * + * @param aId + * The ID of the add-on + * @return the nsIFile + */ + getLocationForID: function RegInstallLocation_getLocationForID(aId) { + if (aId in this._IDToFileMap) + return this._IDToFileMap[aId].clone(); + throw new Error("Unknown add-on ID"); + }, + + /** + * @see DirectoryInstallLocation + */ + isLinkedAddon: function RegInstallLocation_isLinkedAddon(aId) { + return true; + } +}; +#endif + +let addonTypes = [ + new AddonManagerPrivate.AddonType("extension", URI_EXTENSION_STRINGS, + STRING_TYPE_NAME, + AddonManager.VIEW_TYPE_LIST, 4000, + AddonManager.TYPE_SUPPORTS_UNDO_RESTARTLESS_UNINSTALL), + new AddonManagerPrivate.AddonType("theme", URI_EXTENSION_STRINGS, + STRING_TYPE_NAME, + AddonManager.VIEW_TYPE_LIST, 5000), + new AddonManagerPrivate.AddonType("dictionary", URI_EXTENSION_STRINGS, + STRING_TYPE_NAME, + AddonManager.VIEW_TYPE_LIST, 7000, + AddonManager.TYPE_UI_HIDE_EMPTY | AddonManager.TYPE_SUPPORTS_UNDO_RESTARTLESS_UNINSTALL), + new AddonManagerPrivate.AddonType("locale", URI_EXTENSION_STRINGS, + STRING_TYPE_NAME, + AddonManager.VIEW_TYPE_LIST, 8000, + AddonManager.TYPE_UI_HIDE_EMPTY | AddonManager.TYPE_SUPPORTS_UNDO_RESTARTLESS_UNINSTALL), +]; + +// We only register experiments support if the application supports them. +// Ideally, we would install an observer to watch the pref. Installing +// an observer for this pref is not necessary here and may be buggy with +// regards to registering this XPIProvider twice. +if (Preferences.get("experiments.supported", false)) { + addonTypes.push( + new AddonManagerPrivate.AddonType("experiment", + URI_EXTENSION_STRINGS, + STRING_TYPE_NAME, + AddonManager.VIEW_TYPE_LIST, 11000, + AddonManager.TYPE_UI_HIDE_EMPTY | AddonManager.TYPE_SUPPORTS_UNDO_RESTARTLESS_UNINSTALL)); +} + +AddonManagerPrivate.registerProvider(XPIProvider, addonTypes); |