diff options
Diffstat (limited to 'toolkit')
| -rw-r--r-- | toolkit/mozapps/webextensions/internal/AddonUpdateChecker.jsm | 954 | ||||
| -rw-r--r-- | toolkit/mozapps/webextensions/internal/moz.build | 2 |
2 files changed, 1 insertions, 955 deletions
diff --git a/toolkit/mozapps/webextensions/internal/AddonUpdateChecker.jsm b/toolkit/mozapps/webextensions/internal/AddonUpdateChecker.jsm deleted file mode 100644 index 391c69a06..000000000 --- a/toolkit/mozapps/webextensions/internal/AddonUpdateChecker.jsm +++ /dev/null @@ -1,954 +0,0 @@ -/* 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/. */ - -/** - * The AddonUpdateChecker is responsible for retrieving the update information - * from an add-on's remote update manifest. - */ - -"use strict"; - -const Cc = Components.classes; -const Ci = Components.interfaces; -const Cu = Components.utils; - -this.EXPORTED_SYMBOLS = [ "AddonUpdateChecker" ]; - -const TIMEOUT = 60 * 1000; -const PREFIX_NS_RDF = "http://www.w3.org/1999/02/22-rdf-syntax-ns#"; -const PREFIX_NS_EM = "http://www.mozilla.org/2004/em-rdf#"; -const PREFIX_ITEM = "urn:mozilla:item:"; -const PREFIX_EXTENSION = "urn:mozilla:extension:"; -const PREFIX_THEME = "urn:mozilla:theme:"; -const TOOLKIT_ID = "toolkit@mozilla.org" -const XMLURI_PARSE_ERROR = "http://www.mozilla.org/newlayout/xml/parsererror.xml" - -const PREF_UPDATE_REQUIREBUILTINCERTS = "extensions.update.requireBuiltInCerts"; - -#ifdef MOZ_PHOENIX -const PREF_EM_MIN_COMPAT_APP_VERSION = "extensions.minCompatibleAppVersion"; -const FIREFOX_ID = "{ec8030f7-c20a-464f-9b0e-13a3a9e97384}" -const FIREFOX_APPCOMPATVERSION = "56.9" -#endif - -Components.utils.import("resource://gre/modules/Services.jsm"); -Components.utils.import("resource://gre/modules/XPCOMUtils.jsm"); - -XPCOMUtils.defineLazyModuleGetter(this, "AddonManager", - "resource://gre/modules/AddonManager.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "AddonManagerPrivate", - "resource://gre/modules/AddonManager.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "AddonRepository", - "resource://gre/modules/addons/AddonRepository.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "ServiceRequest", - "resource://gre/modules/ServiceRequest.jsm"); - - -// Shared code for suppressing bad cert dialogs. -XPCOMUtils.defineLazyGetter(this, "CertUtils", function() { - let certUtils = {}; - Components.utils.import("resource://gre/modules/CertUtils.jsm", certUtils); - return certUtils; -}); - -var gRDF = Cc["@mozilla.org/rdf/rdf-service;1"]. - getService(Ci.nsIRDFService); - -Cu.import("resource://gre/modules/Log.jsm"); -const LOGGER_ID = "addons.update-checker"; - -// Create a new logger for use by the Addons Update Checker -// (Requires AddonManager.jsm) -var logger = Log.repository.getLogger(LOGGER_ID); - -/** - * A serialisation method for RDF data that produces an identical string - * for matching RDF graphs. - * The serialisation is not complete, only assertions stemming from a given - * resource are included, multiple references to the same resource are not - * permitted, and the RDF prolog and epilog are not included. - * RDF Blob and Date literals are not supported. - */ -function RDFSerializer() { - this.cUtils = Cc["@mozilla.org/rdf/container-utils;1"]. - getService(Ci.nsIRDFContainerUtils); - this.resources = []; -} - -RDFSerializer.prototype = { - INDENT: " ", // The indent used for pretty-printing - resources: null, // Array of the resources that have been found - - /** - * Escapes characters from a string that should not appear in XML. - * - * @param aString - * The string to be escaped - * @return a string with all characters invalid in XML character data - * converted to entity references. - */ - escapeEntities: function(aString) { - aString = aString.replace(/&/g, "&"); - aString = aString.replace(/</g, "<"); - aString = aString.replace(/>/g, ">"); - return aString.replace(/"/g, """); - }, - - /** - * Serializes all the elements of an RDF container. - * - * @param aDs - * The RDF datasource - * @param aContainer - * The RDF container to output the child elements of - * @param aIndent - * The current level of indent for pretty-printing - * @return a string containing the serialized elements. - */ - serializeContainerItems: function(aDs, aContainer, aIndent) { - var result = ""; - var items = aContainer.GetElements(); - while (items.hasMoreElements()) { - var item = items.getNext().QueryInterface(Ci.nsIRDFResource); - result += aIndent + "<RDF:li>\n" - result += this.serializeResource(aDs, item, aIndent + this.INDENT); - result += aIndent + "</RDF:li>\n" - } - return result; - }, - - /** - * Serializes all em:* (see EM_NS) properties of an RDF resource except for - * the em:signature property. As this serialization is to be compared against - * the manifest signature it cannot contain the em:signature property itself. - * - * @param aDs - * The RDF datasource - * @param aResource - * The RDF resource that contains the properties to serialize - * @param aIndent - * The current level of indent for pretty-printing - * @return a string containing the serialized properties. - * @throws if the resource contains a property that cannot be serialized - */ - serializeResourceProperties: function(aDs, aResource, aIndent) { - var result = ""; - var items = []; - var arcs = aDs.ArcLabelsOut(aResource); - while (arcs.hasMoreElements()) { - var arc = arcs.getNext().QueryInterface(Ci.nsIRDFResource); - if (arc.ValueUTF8.substring(0, PREFIX_NS_EM.length) != PREFIX_NS_EM) - continue; - var prop = arc.ValueUTF8.substring(PREFIX_NS_EM.length); - if (prop == "signature") - continue; - - var targets = aDs.GetTargets(aResource, arc, true); - while (targets.hasMoreElements()) { - var target = targets.getNext(); - if (target instanceof Ci.nsIRDFResource) { - var item = aIndent + "<em:" + prop + ">\n"; - item += this.serializeResource(aDs, target, aIndent + this.INDENT); - item += aIndent + "</em:" + prop + ">\n"; - items.push(item); - } - else if (target instanceof Ci.nsIRDFLiteral) { - items.push(aIndent + "<em:" + prop + ">" + - this.escapeEntities(target.Value) + "</em:" + prop + ">\n"); - } - else if (target instanceof Ci.nsIRDFInt) { - items.push(aIndent + "<em:" + prop + " NC:parseType=\"Integer\">" + - target.Value + "</em:" + prop + ">\n"); - } - else { - throw Components.Exception("Cannot serialize unknown literal type"); - } - } - } - items.sort(); - result += items.join(""); - return result; - }, - - /** - * Recursively serializes an RDF resource and all resources it links to. - * This will only output EM_NS properties and will ignore any em:signature - * property. - * - * @param aDs - * The RDF datasource - * @param aResource - * The RDF resource to serialize - * @param aIndent - * The current level of indent for pretty-printing. If undefined no - * indent will be added - * @return a string containing the serialized resource. - * @throws if the RDF data contains multiple references to the same resource. - */ - serializeResource: function(aDs, aResource, aIndent) { - if (this.resources.indexOf(aResource) != -1 ) { - // We cannot output multiple references to the same resource. - throw Components.Exception("Cannot serialize multiple references to " + aResource.Value); - } - if (aIndent === undefined) - aIndent = ""; - - this.resources.push(aResource); - var container = null; - var type = "Description"; - if (this.cUtils.IsSeq(aDs, aResource)) { - type = "Seq"; - container = this.cUtils.MakeSeq(aDs, aResource); - } - else if (this.cUtils.IsAlt(aDs, aResource)) { - type = "Alt"; - container = this.cUtils.MakeAlt(aDs, aResource); - } - else if (this.cUtils.IsBag(aDs, aResource)) { - type = "Bag"; - container = this.cUtils.MakeBag(aDs, aResource); - } - - var result = aIndent + "<RDF:" + type; - if (!gRDF.IsAnonymousResource(aResource)) - result += " about=\"" + this.escapeEntities(aResource.ValueUTF8) + "\""; - result += ">\n"; - - if (container) - result += this.serializeContainerItems(aDs, container, aIndent + this.INDENT); - - result += this.serializeResourceProperties(aDs, aResource, aIndent + this.INDENT); - - result += aIndent + "</RDF:" + type + ">\n"; - return result; - } -} - -/** - * Sanitizes the update URL in an update item, as returned by - * parseRDFManifest and parseJSONManifest. Ensures that: - * - * - The URL is secure, or secured by a strong enough hash. - * - The security principal of the update manifest has permission to - * load the URL. - * - * @param aUpdate - * The update item to sanitize. - * @param aRequest - * The XMLHttpRequest used to load the manifest. - * @param aHashPattern - * The regular expression used to validate the update hash. - * @param aHashString - * The human-readable string specifying which hash functions - * are accepted. - */ -function sanitizeUpdateURL(aUpdate, aRequest, aHashPattern, aHashString) { - if (aUpdate.updateURL) { - let scriptSecurity = Services.scriptSecurityManager; - let principal = scriptSecurity.getChannelURIPrincipal(aRequest.channel); - try { - // This logs an error on failure, so no need to log it a second time - scriptSecurity.checkLoadURIStrWithPrincipal(principal, aUpdate.updateURL, - scriptSecurity.DISALLOW_SCRIPT); - } catch (e) { - delete aUpdate.updateURL; - return; - } - - if (AddonManager.checkUpdateSecurity && - !aUpdate.updateURL.startsWith("https:") && - !aHashPattern.test(aUpdate.updateHash)) { - logger.warn(`Update link ${aUpdate.updateURL} is not secure and is not verified ` + - `by a strong enough hash (needs to be ${aHashString}).`); - delete aUpdate.updateURL; - delete aUpdate.updateHash; - } - } -} - -/** - * Parses an RDF style update manifest into an array of update objects. - * - * @param aId - * The ID of the add-on being checked for updates - * @param aUpdateKey - * An optional update key for the add-on - * @param aRequest - * The XMLHttpRequest that has retrieved the update manifest - * @param aManifestData - * The pre-parsed manifest, as a bare XML DOM document - * @return an array of update objects - * @throws if the update manifest is invalid in any way - */ -function parseRDFManifest(aId, aUpdateKey, aRequest, aManifestData) { - if (aManifestData.documentElement.namespaceURI != PREFIX_NS_RDF) { - throw Components.Exception("Update manifest had an unrecognised namespace: " + - aManifestData.documentElement.namespaceURI); - } - - function EM_R(aProp) { - return gRDF.GetResource(PREFIX_NS_EM + aProp); - } - - function getValue(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; - } - - function getProperty(aDs, aSource, aProperty) { - return getValue(aDs.GetTarget(aSource, EM_R(aProperty), true)); - } - - function getBooleanProperty(aDs, aSource, aProperty) { - let propValue = aDs.GetTarget(aSource, EM_R(aProperty), true); - if (!propValue) - return undefined; - return getValue(propValue) == "true"; - } - - function getRequiredProperty(aDs, aSource, aProperty) { - let value = getProperty(aDs, aSource, aProperty); - if (!value) - throw Components.Exception("Update manifest is missing a required " + aProperty + " property."); - return value; - } - - 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); - rdfParser.parseString(ds, aRequest.channel.URI, aRequest.responseText); - - // Differentiating between add-on types is deprecated - let extensionRes = gRDF.GetResource(PREFIX_EXTENSION + aId); - let themeRes = gRDF.GetResource(PREFIX_THEME + aId); - let itemRes = gRDF.GetResource(PREFIX_ITEM + aId); - let addonRes; - if (ds.ArcLabelsOut(extensionRes).hasMoreElements()) - addonRes = extensionRes; - else if (ds.ArcLabelsOut(themeRes).hasMoreElements()) - addonRes = themeRes; - else - addonRes = itemRes; - - // If we have an update key then the update manifest must be signed - if (aUpdateKey) { - let signature = getProperty(ds, addonRes, "signature"); - if (!signature) - throw Components.Exception("Update manifest for " + aId + " does not contain a required signature"); - let serializer = new RDFSerializer(); - let updateString = null; - - try { - updateString = serializer.serializeResource(ds, addonRes); - } - catch (e) { - throw Components.Exception("Failed to generate signed string for " + aId + ". Serializer threw " + e, - e.result); - } - - let result = false; - - try { - let verifier = Cc["@mozilla.org/security/datasignatureverifier;1"]. - getService(Ci.nsIDataSignatureVerifier); - result = verifier.verifyData(updateString, signature, aUpdateKey); - } - catch (e) { - throw Components.Exception("The signature or updateKey for " + aId + " is malformed." + - "Verifier threw " + e, e.result); - } - - if (!result) - throw Components.Exception("The signature for " + aId + " was not created by the add-on's updateKey"); - } - - let updates = ds.GetTarget(addonRes, EM_R("updates"), true); - - // A missing updates property doesn't count as a failure, just as no avialable - // update information - if (!updates) { - logger.warn("Update manifest for " + aId + " did not contain an updates property"); - return []; - } - - if (!(updates instanceof Ci.nsIRDFResource)) - throw Components.Exception("Missing updates property for " + addonRes.Value); - - let cu = Cc["@mozilla.org/rdf/container-utils;1"]. - getService(Ci.nsIRDFContainerUtils); - if (!cu.IsContainer(ds, updates)) - throw Components.Exception("Updates property was not an RDF container"); - - let results = []; - let ctr = Cc["@mozilla.org/rdf/container;1"]. - createInstance(Ci.nsIRDFContainer); - ctr.Init(ds, updates); - let items = ctr.GetElements(); - while (items.hasMoreElements()) { - let item = items.getNext().QueryInterface(Ci.nsIRDFResource); - let version = getProperty(ds, item, "version"); - if (!version) { - logger.warn("Update manifest is missing a required version property."); - continue; - } - - logger.debug("Found an update entry for " + aId + " version " + version); - - let targetApps = ds.GetTargets(item, EM_R("targetApplication"), true); - while (targetApps.hasMoreElements()) { - let targetApp = targetApps.getNext().QueryInterface(Ci.nsIRDFResource); - - let appEntry = {}; - try { - appEntry.id = getRequiredProperty(ds, targetApp, "id"); - appEntry.minVersion = getRequiredProperty(ds, targetApp, "minVersion"); - appEntry.maxVersion = getRequiredProperty(ds, targetApp, "maxVersion"); - } - catch (e) { - logger.warn(e); - continue; - } - - let result = { - id: aId, - version: version, - multiprocessCompatible: getBooleanProperty(ds, item, "multiprocessCompatible"), - updateURL: getProperty(ds, targetApp, "updateLink"), - updateHash: getProperty(ds, targetApp, "updateHash"), - updateInfoURL: getProperty(ds, targetApp, "updateInfoURL"), - strictCompatibility: !!getBooleanProperty(ds, targetApp, "strictCompatibility"), - targetApplications: [appEntry] - }; - - // The JSON update protocol requires an SHA-2 hash. RDF still - // supports SHA-1, for compatibility reasons. - sanitizeUpdateURL(result, aRequest, /^sha/, "sha1 or stronger"); - - results.push(result); - } - } - return results; -} - -/** - * Parses an JSON update manifest into an array of update objects. - * - * @param aId - * The ID of the add-on being checked for updates - * @param aUpdateKey - * An optional update key for the add-on - * @param aRequest - * The XMLHttpRequest that has retrieved the update manifest - * @param aManifestData - * The pre-parsed manifest, as a JSON object tree - * @return an array of update objects - * @throws if the update manifest is invalid in any way - */ -function parseJSONManifest(aId, aUpdateKey, aRequest, aManifestData) { -#ifdef MOZ_PHOENIX - if (aUpdateKey) - throw Components.Exception("Update keys are not supported for JSON update manifests"); - - let TYPE_CHECK = { - "array": val => Array.isArray(val), - "object": val => val && typeof val == "object" && !Array.isArray(val), - }; - - function getProperty(aObj, aProperty, aType, aDefault = undefined) { - if (!(aProperty in aObj)) - return aDefault; - - let value = aObj[aProperty]; - - let matchesType = aType in TYPE_CHECK ? TYPE_CHECK[aType](value) : typeof value == aType; - if (!matchesType) - throw Components.Exception(`Update manifest property '${aProperty}' has incorrect type (expected ${aType})`); - - return value; - } - - function getRequiredProperty(aObj, aProperty, aType) { - let value = getProperty(aObj, aProperty, aType); - if (value === undefined) - throw Components.Exception(`Update manifest is missing a required ${aProperty} property.`); - return value; - } - - let manifest = aManifestData; - - if (!TYPE_CHECK["object"](manifest)) - throw Components.Exception("Root element of update manifest must be a JSON object literal"); - - // The set of add-ons this manifest has updates for - let addons = getRequiredProperty(manifest, "addons", "object"); - - // The entry for this particular add-on - let addon = getProperty(addons, aId, "object"); - - // A missing entry doesn't count as a failure, just as no avialable update - // information - if (!addon) { - logger.warn("Update manifest did not contain an entry for " + aId); - return []; - } - - // The list of available updates - let updates = getProperty(addon, "updates", "array", []); - - let results = []; - - for (let update of updates) { - let version = getRequiredProperty(update, "version", "string"); - - logger.debug(`Found an update entry for ${aId} version ${version}`); - - let applications = getProperty(update, "applications", "object", - { gecko: {} }); - - // "gecko" is currently the only supported application entry. If - // it's missing, skip this update. - if (!("gecko" in applications)) { - logger.debug("gecko not in application entry, skipping update of ${addon}") - continue; - } - - let app = getProperty(applications, "gecko", "object"); - - let appEntry = { - id: FIREFOX_ID, - minVersion: getProperty(app, "strict_min_version", "string", - Services.prefs.getCharPref(PREF_EM_MIN_COMPAT_APP_VERSION)), - maxVersion: FIREFOX_APPCOMPATVERSION, - }; - - let result = { - id: aId, - version: version, - multiprocessCompatible: getProperty(update, "multiprocess_compatible", "boolean", true), - updateURL: getProperty(update, "update_link", "string"), - updateHash: getProperty(update, "update_hash", "string"), - updateInfoURL: getProperty(update, "update_info_url", "string"), - strictCompatibility: false, - targetApplications: [appEntry], - }; - - if ("strict_max_version" in app) { - if ("advisory_max_version" in app) { - logger.warn("Ignoring 'advisory_max_version' update manifest property for " + - aId + " property since 'strict_max_version' also present"); - } - - appEntry.maxVersion = getProperty(app, "strict_max_version", "string"); - } else if ("advisory_max_version" in app) { - appEntry.maxVersion = getProperty(app, "advisory_max_version", "string"); - } - - // The JSON update protocol requires an SHA-2 hash. RDF still - // supports SHA-1, for compatibility reasons. - sanitizeUpdateURL(result, aRequest, /^sha(256|512):/, "sha256 or sha512"); - - results.push(result); - } - return results; -#else - throw Components.Exception("This application does not support JSON update manifests"); -#endif -} - -/** - * Starts downloading an update manifest and then passes it to an appropriate - * parser to convert to an array of update objects - * - * @param aId - * The ID of the add-on being checked for updates - * @param aUpdateKey - * An optional update key for the add-on - * @param aUrl - * The URL of the update manifest - * @param aObserver - * An observer to pass results to - */ -function UpdateParser(aId, aUpdateKey, aUrl, aObserver) { - this.id = aId; - this.updateKey = aUpdateKey; - this.observer = aObserver; - this.url = aUrl; - - let requireBuiltIn = true; - try { - requireBuiltIn = Services.prefs.getBoolPref(PREF_UPDATE_REQUIREBUILTINCERTS); - } - catch (e) { - } - - logger.debug("Requesting " + aUrl); - try { - this.request = new ServiceRequest(); - this.request.open("GET", this.url, true); - this.request.channel.notificationCallbacks = new CertUtils.BadCertHandler(!requireBuiltIn); - this.request.channel.loadFlags |= Ci.nsIRequest.LOAD_BYPASS_CACHE; - // Prevent the request from writing to cache. - this.request.channel.loadFlags |= Ci.nsIRequest.INHIBIT_CACHING; - this.request.overrideMimeType("text/plain"); - this.request.setRequestHeader("Moz-XPI-Update", "1", true); - this.request.timeout = TIMEOUT; - this.request.addEventListener("load", () => this.onLoad(), false); - this.request.addEventListener("error", () => this.onError(), false); - this.request.addEventListener("timeout", () => this.onTimeout(), false); - this.request.send(null); - } - catch (e) { - logger.error("Failed to request update manifest", e); - } -} - -UpdateParser.prototype = { - id: null, - updateKey: null, - observer: null, - request: null, - url: null, - - /** - * Called when the manifest has been successfully loaded. - */ - onLoad: function() { - let request = this.request; - this.request = null; - this._doneAt = new Error("place holder"); - - let requireBuiltIn = true; - try { - requireBuiltIn = Services.prefs.getBoolPref(PREF_UPDATE_REQUIREBUILTINCERTS); - } - catch (e) { - } - - try { - CertUtils.checkCert(request.channel, !requireBuiltIn); - } - catch (e) { - logger.warn("Request failed: " + this.url + " - " + e); - this.notifyError(AddonUpdateChecker.ERROR_DOWNLOAD_ERROR); - return; - } - - if (!Components.isSuccessCode(request.status)) { - logger.warn("Request failed: " + this.url + " - " + request.status); - this.notifyError(AddonUpdateChecker.ERROR_DOWNLOAD_ERROR); - return; - } - - let channel = request.channel; - if (channel instanceof Ci.nsIHttpChannel && !channel.requestSucceeded) { - logger.warn("Request failed: " + this.url + " - " + channel.responseStatus + - ": " + channel.responseStatusText); - this.notifyError(AddonUpdateChecker.ERROR_DOWNLOAD_ERROR); - return; - } - - // Detect the manifest type by first attempting to parse it as - // JSON, and falling back to parsing it as XML if that fails. - let parser; - try { - try { - let json = JSON.parse(request.responseText); - - parser = () => parseJSONManifest(this.id, this.updateKey, request, json); - } catch (e) { - if (!(e instanceof SyntaxError)) - throw e; - let domParser = Cc["@mozilla.org/xmlextras/domparser;1"].createInstance(Ci.nsIDOMParser); - let xml = domParser.parseFromString(request.responseText, "text/xml"); - - if (xml.documentElement.namespaceURI == XMLURI_PARSE_ERROR) - throw new Error("Update manifest was not valid XML or JSON"); - - parser = () => parseRDFManifest(this.id, this.updateKey, request, xml); - } - } catch (e) { - logger.warn("onUpdateCheckComplete failed to determine manifest type"); - this.notifyError(AddonUpdateChecker.ERROR_UNKNOWN_FORMAT); - return; - } - - let results; - try { - results = parser(); - } - catch (e) { - logger.warn("onUpdateCheckComplete failed to parse update manifest", e); - this.notifyError(AddonUpdateChecker.ERROR_PARSE_ERROR); - return; - } - - if ("onUpdateCheckComplete" in this.observer) { - try { - this.observer.onUpdateCheckComplete(results); - } - catch (e) { - logger.warn("onUpdateCheckComplete notification failed", e); - } - } - else { - logger.warn("onUpdateCheckComplete may not properly cancel", new Error("stack marker")); - } - }, - - /** - * Called when the request times out - */ - onTimeout: function() { - this.request = null; - this._doneAt = new Error("Timed out"); - logger.warn("Request for " + this.url + " timed out"); - this.notifyError(AddonUpdateChecker.ERROR_TIMEOUT); - }, - - /** - * Called when the manifest failed to load. - */ - onError: function() { - if (!Components.isSuccessCode(this.request.status)) { - logger.warn("Request failed: " + this.url + " - " + this.request.status); - } - else if (this.request.channel instanceof Ci.nsIHttpChannel) { - try { - if (this.request.channel.requestSucceeded) { - logger.warn("Request failed: " + this.url + " - " + - this.request.channel.responseStatus + ": " + - this.request.channel.responseStatusText); - } - } - catch (e) { - logger.warn("HTTP Request failed for an unknown reason"); - } - } - else { - logger.warn("Request failed for an unknown reason"); - } - - this.request = null; - this._doneAt = new Error("UP_onError"); - - this.notifyError(AddonUpdateChecker.ERROR_DOWNLOAD_ERROR); - }, - - /** - * Helper method to notify the observer that an error occured. - */ - notifyError: function(aStatus) { - if ("onUpdateCheckError" in this.observer) { - try { - this.observer.onUpdateCheckError(aStatus); - } - catch (e) { - logger.warn("onUpdateCheckError notification failed", e); - } - } - }, - - /** - * Called to cancel an in-progress update check. - */ - cancel: function() { - if (!this.request) { - logger.error("Trying to cancel already-complete request", this._doneAt); - return; - } - this.request.abort(); - this.request = null; - this._doneAt = new Error("UP_cancel"); - this.notifyError(AddonUpdateChecker.ERROR_CANCELLED); - } -}; - -/** - * Tests if an update matches a version of the application or platform - * - * @param aUpdate - * The available update - * @param aAppVersion - * The application version to use - * @param aPlatformVersion - * The platform version to use - * @param aIgnoreMaxVersion - * Ignore maxVersion when testing if an update matches. Optional. - * @param aIgnoreStrictCompat - * Ignore strictCompatibility when testing if an update matches. Optional. - * @param aCompatOverrides - * AddonCompatibilityOverride objects to match against. Optional. - * @return true if the update is compatible with the application/platform - */ -function matchesVersions(aUpdate, aAppVersion, aPlatformVersion, - aIgnoreMaxVersion, aIgnoreStrictCompat, - aCompatOverrides) { - if (aCompatOverrides) { - let override = AddonRepository.findMatchingCompatOverride(aUpdate.version, - aCompatOverrides, - aAppVersion, - aPlatformVersion); - if (override && override.type == "incompatible") - return false; - } - - if (aUpdate.strictCompatibility && !aIgnoreStrictCompat) - aIgnoreMaxVersion = false; - - let result = false; - for (let app of aUpdate.targetApplications) { - if (app.id == Services.appinfo.ID) { - return (Services.vc.compare(aAppVersion, app.minVersion) >= 0) && - (aIgnoreMaxVersion || (Services.vc.compare(aAppVersion, app.maxVersion) <= 0)); - } - if (app.id == TOOLKIT_ID) { - result = (Services.vc.compare(aPlatformVersion, app.minVersion) >= 0) && - (aIgnoreMaxVersion || (Services.vc.compare(aPlatformVersion, app.maxVersion) <= 0)); - } - } - return result; -} - -this.AddonUpdateChecker = { - // These must be kept in sync with AddonManager - // The update check timed out - ERROR_TIMEOUT: -1, - // There was an error while downloading the update information. - ERROR_DOWNLOAD_ERROR: -2, - // The update information was malformed in some way. - ERROR_PARSE_ERROR: -3, - // The update information was not in any known format. - ERROR_UNKNOWN_FORMAT: -4, - // The update information was not correctly signed or there was an SSL error. - ERROR_SECURITY_ERROR: -5, - // The update was cancelled - ERROR_CANCELLED: -6, - - /** - * Retrieves the best matching compatibility update for the application from - * a list of available update objects. - * - * @param aUpdates - * An array of update objects - * @param aVersion - * The version of the add-on to get new compatibility information for - * @param aIgnoreCompatibility - * An optional parameter to get the first compatibility update that - * is compatible with any version of the application or toolkit - * @param aAppVersion - * The version of the application or null to use the current version - * @param aPlatformVersion - * The version of the platform or null to use the current version - * @param aIgnoreMaxVersion - * Ignore maxVersion when testing if an update matches. Optional. - * @param aIgnoreStrictCompat - * Ignore strictCompatibility when testing if an update matches. Optional. - * @return an update object if one matches or null if not - */ - getCompatibilityUpdate: function(aUpdates, aVersion, aIgnoreCompatibility, - aAppVersion, aPlatformVersion, - aIgnoreMaxVersion, aIgnoreStrictCompat) { - if (!aAppVersion) - aAppVersion = Services.appinfo.version; - if (!aPlatformVersion) - aPlatformVersion = Services.appinfo.platformVersion; - - for (let update of aUpdates) { - if (Services.vc.compare(update.version, aVersion) == 0) { - if (aIgnoreCompatibility) { - for (let targetApp of update.targetApplications) { - let id = targetApp.id; - if (id == Services.appinfo.ID || id == TOOLKIT_ID) - return update; - } - } - else if (matchesVersions(update, aAppVersion, aPlatformVersion, - aIgnoreMaxVersion, aIgnoreStrictCompat)) { - return update; - } - } - } - return null; - }, - - /** - * Returns the newest available update from a list of update objects. - * - * @param aUpdates - * An array of update objects - * @param aAppVersion - * The version of the application or null to use the current version - * @param aPlatformVersion - * The version of the platform or null to use the current version - * @param aIgnoreMaxVersion - * When determining compatible updates, ignore maxVersion. Optional. - * @param aIgnoreStrictCompat - * When determining compatible updates, ignore strictCompatibility. Optional. - * @param aCompatOverrides - * Array of AddonCompatibilityOverride to take into account. Optional. - * @return an update object if one matches or null if not - */ - getNewestCompatibleUpdate: function(aUpdates, aAppVersion, aPlatformVersion, - aIgnoreMaxVersion, aIgnoreStrictCompat, - aCompatOverrides) { - if (!aAppVersion) - aAppVersion = Services.appinfo.version; - if (!aPlatformVersion) - aPlatformVersion = Services.appinfo.platformVersion; - - let blocklist = Cc["@mozilla.org/extensions/blocklist;1"]. - getService(Ci.nsIBlocklistService); - - let newest = null; - for (let update of aUpdates) { - if (!update.updateURL) - continue; - let state = blocklist.getAddonBlocklistState(update, aAppVersion, aPlatformVersion); - if (state != Ci.nsIBlocklistService.STATE_NOT_BLOCKED) - continue; - if ((newest == null || (Services.vc.compare(newest.version, update.version) < 0)) && - matchesVersions(update, aAppVersion, aPlatformVersion, - aIgnoreMaxVersion, aIgnoreStrictCompat, - aCompatOverrides)) { - newest = update; - } - } - return newest; - }, - - /** - * Starts an update check. - * - * @param aId - * The ID of the add-on being checked for updates - * @param aUpdateKey - * An optional update key for the add-on - * @param aUrl - * The URL of the add-on's update manifest - * @param aObserver - * An observer to notify of results - * @return UpdateParser so that the caller can use UpdateParser.cancel() to shut - * down in-progress update requests - */ - checkForUpdates: function(aId, aUpdateKey, aUrl, aObserver) { - // Define an array of internally used IDs to NOT send to AUS such as the - // Default Theme. Please keep this list in sync with: - // toolkit/mozapps/extensions/AddonUpdateChecker.jsm - let internalIDS = [ - '{972ce4c6-7e08-4474-a285-3208198ce6fd}', - 'modern@themes.mozilla.org' - ]; - - // If the ID is not in the array then go ahead and query AUS - if (internalIDS.indexOf(aId) == -1) { - return new UpdateParser(aId, aUpdateKey, aUrl, aObserver); - } - } -}; diff --git a/toolkit/mozapps/webextensions/internal/moz.build b/toolkit/mozapps/webextensions/internal/moz.build index e3b54ed3b..9eccbf483 100644 --- a/toolkit/mozapps/webextensions/internal/moz.build +++ b/toolkit/mozapps/webextensions/internal/moz.build @@ -31,6 +31,6 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] != 'android': ] EXTRA_PP_JS_MODULES.addons += [ + '../../extensions/internal/AddonUpdateChecker.jsm', 'AddonConstants.jsm', - 'AddonUpdateChecker.jsm', ] |