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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /browser/components/nsBrowserContentHandler.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'browser/components/nsBrowserContentHandler.js')
-rw-r--r--browser/components/nsBrowserContentHandler.js805
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diff --git a/browser/components/nsBrowserContentHandler.js b/browser/components/nsBrowserContentHandler.js
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+/* 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/. */
+
+/* eslint no-undef:2 */
+
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+Components.utils.import("resource://gre/modules/Services.jsm");
+Components.utils.import("resource://gre/modules/AppConstants.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "LaterRun",
+ "resource:///modules/LaterRun.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
+ "resource://gre/modules/PrivateBrowsingUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow",
+ "resource:///modules/RecentWindow.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "ShellService",
+ "resource:///modules/ShellService.jsm");
+XPCOMUtils.defineLazyServiceGetter(this, "WindowsUIUtils",
+ "@mozilla.org/windows-ui-utils;1", "nsIWindowsUIUtils");
+
+const nsISupports = Components.interfaces.nsISupports;
+
+const nsIBrowserDOMWindow = Components.interfaces.nsIBrowserDOMWindow;
+const nsIBrowserHandler = Components.interfaces.nsIBrowserHandler;
+const nsIBrowserHistory = Components.interfaces.nsIBrowserHistory;
+const nsIChannel = Components.interfaces.nsIChannel;
+const nsICommandLine = Components.interfaces.nsICommandLine;
+const nsICommandLineHandler = Components.interfaces.nsICommandLineHandler;
+const nsIContentHandler = Components.interfaces.nsIContentHandler;
+const nsIDocShellTreeItem = Components.interfaces.nsIDocShellTreeItem;
+const nsIDOMChromeWindow = Components.interfaces.nsIDOMChromeWindow;
+const nsIDOMWindow = Components.interfaces.nsIDOMWindow;
+const nsIFileURL = Components.interfaces.nsIFileURL;
+const nsIInterfaceRequestor = Components.interfaces.nsIInterfaceRequestor;
+const nsINetUtil = Components.interfaces.nsINetUtil;
+const nsIPrefLocalizedString = Components.interfaces.nsIPrefLocalizedString;
+const nsISupportsString = Components.interfaces.nsISupportsString;
+const nsIWebNavigation = Components.interfaces.nsIWebNavigation;
+const nsIWebNavigationInfo = Components.interfaces.nsIWebNavigationInfo;
+const nsICommandLineValidator = Components.interfaces.nsICommandLineValidator;
+
+const NS_BINDING_ABORTED = Components.results.NS_BINDING_ABORTED;
+const NS_ERROR_WONT_HANDLE_CONTENT = 0x805d0001;
+const NS_ERROR_ABORT = Components.results.NS_ERROR_ABORT;
+
+function shouldLoadURI(aURI) {
+ if (aURI && !aURI.schemeIs("chrome"))
+ return true;
+
+ dump("*** Preventing external load of chrome: URI into browser window\n");
+ dump(" Use --chrome <uri> instead\n");
+ return false;
+}
+
+function resolveURIInternal(aCmdLine, aArgument) {
+ var uri = aCmdLine.resolveURI(aArgument);
+ var uriFixup = Services.uriFixup;
+
+ if (!(uri instanceof nsIFileURL)) {
+ return uriFixup.createFixupURI(aArgument,
+ uriFixup.FIXUP_FLAG_FIX_SCHEME_TYPOS);
+ }
+
+ try {
+ if (uri.file.exists())
+ return uri;
+ }
+ catch (e) {
+ Components.utils.reportError(e);
+ }
+
+ // We have interpreted the argument as a relative file URI, but the file
+ // doesn't exist. Try URI fixup heuristics: see bug 290782.
+
+ try {
+ uri = uriFixup.createFixupURI(aArgument, 0);
+ }
+ catch (e) {
+ Components.utils.reportError(e);
+ }
+
+ return uri;
+}
+
+var gFirstWindow = false;
+
+const OVERRIDE_NONE = 0;
+const OVERRIDE_NEW_PROFILE = 1;
+const OVERRIDE_NEW_MSTONE = 2;
+const OVERRIDE_NEW_BUILD_ID = 3;
+/**
+ * Determines whether a home page override is needed.
+ * Returns:
+ * OVERRIDE_NEW_PROFILE if this is the first run with a new profile.
+ * OVERRIDE_NEW_MSTONE if this is the first run with a build with a different
+ * Gecko milestone (i.e. right after an upgrade).
+ * OVERRIDE_NEW_BUILD_ID if this is the first run with a new build ID of the
+ * same Gecko milestone (i.e. after a nightly upgrade).
+ * OVERRIDE_NONE otherwise.
+ */
+function needHomepageOverride(prefb) {
+ var savedmstone = null;
+ try {
+ savedmstone = prefb.getCharPref("browser.startup.homepage_override.mstone");
+ } catch (e) {}
+
+ if (savedmstone == "ignore")
+ return OVERRIDE_NONE;
+
+ var mstone = Services.appinfo.platformVersion;
+
+ var savedBuildID = null;
+ try {
+ savedBuildID = prefb.getCharPref("browser.startup.homepage_override.buildID");
+ } catch (e) {}
+
+ var buildID = Services.appinfo.platformBuildID;
+
+ if (mstone != savedmstone) {
+ // Bug 462254. Previous releases had a default pref to suppress the EULA
+ // agreement if the platform's installer had already shown one. Now with
+ // about:rights we've removed the EULA stuff and default pref, but we need
+ // a way to make existing profiles retain the default that we removed.
+ if (savedmstone)
+ prefb.setBoolPref("browser.rights.3.shown", true);
+
+ prefb.setCharPref("browser.startup.homepage_override.mstone", mstone);
+ prefb.setCharPref("browser.startup.homepage_override.buildID", buildID);
+ return (savedmstone ? OVERRIDE_NEW_MSTONE : OVERRIDE_NEW_PROFILE);
+ }
+
+ if (buildID != savedBuildID) {
+ prefb.setCharPref("browser.startup.homepage_override.buildID", buildID);
+ return OVERRIDE_NEW_BUILD_ID;
+ }
+
+ return OVERRIDE_NONE;
+}
+
+/**
+ * Gets the override page for the first run after the application has been
+ * updated.
+ * @param defaultOverridePage
+ * The default override page.
+ * @return The override page.
+ */
+function getPostUpdateOverridePage(defaultOverridePage) {
+ var um = Components.classes["@mozilla.org/updates/update-manager;1"]
+ .getService(Components.interfaces.nsIUpdateManager);
+ try {
+ // If the updates.xml file is deleted then getUpdateAt will throw.
+ var update = um.getUpdateAt(0)
+ .QueryInterface(Components.interfaces.nsIPropertyBag);
+ } catch (e) {
+ // This should never happen.
+ Components.utils.reportError("Unable to find update: " + e);
+ return defaultOverridePage;
+ }
+
+ let actions = update.getProperty("actions");
+ // When the update doesn't specify actions fallback to the original behavior
+ // of displaying the default override page.
+ if (!actions)
+ return defaultOverridePage;
+
+ // The existence of silent or the non-existence of showURL in the actions both
+ // mean that an override page should not be displayed.
+ if (actions.indexOf("silent") != -1 || actions.indexOf("showURL") == -1)
+ return "";
+
+ return update.getProperty("openURL") || defaultOverridePage;
+}
+
+// Flag used to indicate that the arguments to openWindow can be passed directly.
+const NO_EXTERNAL_URIS = 1;
+
+function openWindow(parent, url, target, features, args, noExternalArgs) {
+ if (noExternalArgs == NO_EXTERNAL_URIS) {
+ // Just pass in the defaultArgs directly
+ var argstring;
+ if (args) {
+ argstring = Components.classes["@mozilla.org/supports-string;1"]
+ .createInstance(nsISupportsString);
+ argstring.data = args;
+ }
+
+ return Services.ww.openWindow(parent, url, target, features, argstring);
+ }
+
+ // Pass an array to avoid the browser "|"-splitting behavior.
+ var argArray = Components.classes["@mozilla.org/array;1"]
+ .createInstance(Components.interfaces.nsIMutableArray);
+
+ // add args to the arguments array
+ var stringArgs = null;
+ if (args instanceof Array) // array
+ stringArgs = args;
+ else if (args) // string
+ stringArgs = [args];
+
+ if (stringArgs) {
+ // put the URIs into argArray
+ var uriArray = Components.classes["@mozilla.org/array;1"]
+ .createInstance(Components.interfaces.nsIMutableArray);
+ stringArgs.forEach(function (uri) {
+ var sstring = Components.classes["@mozilla.org/supports-string;1"]
+ .createInstance(nsISupportsString);
+ sstring.data = uri;
+ uriArray.appendElement(sstring, /* weak = */ false);
+ });
+ argArray.appendElement(uriArray, /* weak =*/ false);
+ } else {
+ argArray.appendElement(null, /* weak =*/ false);
+ }
+
+ // Pass these as null to ensure that we always trigger the "single URL"
+ // behavior in browser.js's gBrowserInit.onLoad (which handles the window
+ // arguments)
+ argArray.appendElement(null, /* weak =*/ false); // charset
+ argArray.appendElement(null, /* weak =*/ false); // referer
+ argArray.appendElement(null, /* weak =*/ false); // postData
+ argArray.appendElement(null, /* weak =*/ false); // allowThirdPartyFixup
+
+ return Services.ww.openWindow(parent, url, target, features, argArray);
+}
+
+function openPreferences() {
+ var args = Components.classes["@mozilla.org/array;1"]
+ .createInstance(Components.interfaces.nsIMutableArray);
+
+ var wuri = Components.classes["@mozilla.org/supports-string;1"]
+ .createInstance(Components.interfaces.nsISupportsString);
+ wuri.data = "about:preferences";
+
+ args.appendElement(wuri, /* weak = */ false);
+
+ Services.ww.openWindow(null, gBrowserContentHandler.chromeURL,
+ "_blank",
+ "chrome,dialog=no,all",
+ args);
+}
+
+function logSystemBasedSearch(engine) {
+ var countId = (engine.identifier || ("other-" + engine.name)) + ".system";
+ var count = Services.telemetry.getKeyedHistogramById("SEARCH_COUNTS");
+ count.add(countId);
+}
+
+function doSearch(searchTerm, cmdLine) {
+ var engine = Services.search.defaultEngine;
+ logSystemBasedSearch(engine);
+
+ var submission = engine.getSubmission(searchTerm, null, "system");
+
+ // fill our nsIMutableArray with uri-as-wstring, null, null, postData
+ var args = Components.classes["@mozilla.org/array;1"]
+ .createInstance(Components.interfaces.nsIMutableArray);
+
+ var wuri = Components.classes["@mozilla.org/supports-string;1"]
+ .createInstance(Components.interfaces.nsISupportsString);
+ wuri.data = submission.uri.spec;
+
+ args.appendElement(wuri, /* weak =*/ false);
+ args.appendElement(null, /* weak =*/ false);
+ args.appendElement(null, /* weak =*/ false);
+ args.appendElement(submission.postData, /* weak =*/ false);
+
+ // XXXbsmedberg: use handURIToExistingBrowser to obey tabbed-browsing
+ // preferences, but need nsIBrowserDOMWindow extensions
+
+ return Services.ww.openWindow(null, gBrowserContentHandler.chromeURL,
+ "_blank",
+ "chrome,dialog=no,all" +
+ gBrowserContentHandler.getFeatures(cmdLine),
+ args);
+}
+
+function nsBrowserContentHandler() {
+}
+nsBrowserContentHandler.prototype = {
+ classID: Components.ID("{5d0ce354-df01-421a-83fb-7ead0990c24e}"),
+
+ _xpcom_factory: {
+ createInstance: function bch_factory_ci(outer, iid) {
+ if (outer)
+ throw Components.results.NS_ERROR_NO_AGGREGATION;
+ return gBrowserContentHandler.QueryInterface(iid);
+ }
+ },
+
+ /* helper functions */
+
+ mChromeURL : null,
+
+ get chromeURL() {
+ if (this.mChromeURL) {
+ return this.mChromeURL;
+ }
+
+ this.mChromeURL = Services.prefs.getCharPref("browser.chromeURL");
+
+ return this.mChromeURL;
+ },
+
+ /* nsISupports */
+ QueryInterface : XPCOMUtils.generateQI([nsICommandLineHandler,
+ nsIBrowserHandler,
+ nsIContentHandler,
+ nsICommandLineValidator]),
+
+ /* nsICommandLineHandler */
+ handle : function bch_handle(cmdLine) {
+ if (cmdLine.handleFlag("browser", false)) {
+ // Passing defaultArgs, so use NO_EXTERNAL_URIS
+ openWindow(null, this.chromeURL, "_blank",
+ "chrome,dialog=no,all" + this.getFeatures(cmdLine),
+ this.defaultArgs, NO_EXTERNAL_URIS);
+ cmdLine.preventDefault = true;
+ }
+
+ // In the past, when an instance was not already running, the -remote
+ // option returned an error code. Any script or application invoking the
+ // -remote option is expected to be handling this case, otherwise they
+ // wouldn't be doing anything when there is no Firefox already running.
+ // Making the -remote option always return an error code makes those
+ // scripts or applications handle the situation as if Firefox was not
+ // already running.
+ if (cmdLine.handleFlag("remote", true)) {
+ throw NS_ERROR_ABORT;
+ }
+
+ var uriparam;
+ try {
+ while ((uriparam = cmdLine.handleFlagWithParam("new-window", false))) {
+ let uri = resolveURIInternal(cmdLine, uriparam);
+ if (!shouldLoadURI(uri))
+ continue;
+ openWindow(null, this.chromeURL, "_blank",
+ "chrome,dialog=no,all" + this.getFeatures(cmdLine),
+ uri.spec);
+ cmdLine.preventDefault = true;
+ }
+ }
+ catch (e) {
+ Components.utils.reportError(e);
+ }
+
+ try {
+ while ((uriparam = cmdLine.handleFlagWithParam("new-tab", false))) {
+ let uri = resolveURIInternal(cmdLine, uriparam);
+ handURIToExistingBrowser(uri, nsIBrowserDOMWindow.OPEN_NEWTAB, cmdLine);
+ cmdLine.preventDefault = true;
+ }
+ }
+ catch (e) {
+ Components.utils.reportError(e);
+ }
+
+ var chromeParam = cmdLine.handleFlagWithParam("chrome", false);
+ if (chromeParam) {
+
+ // Handle old preference dialog URLs.
+ if (chromeParam == "chrome://browser/content/pref/pref.xul" ||
+ chromeParam == "chrome://browser/content/preferences/preferences.xul") {
+ openPreferences();
+ cmdLine.preventDefault = true;
+ } else try {
+ let resolvedURI = resolveURIInternal(cmdLine, chromeParam);
+ let isLocal = uri => {
+ let localSchemes = new Set(["chrome", "file", "resource"]);
+ if (uri instanceof Components.interfaces.nsINestedURI) {
+ uri = uri.QueryInterface(Components.interfaces.nsINestedURI).innerMostURI;
+ }
+ return localSchemes.has(uri.scheme);
+ };
+ if (isLocal(resolvedURI)) {
+ // If the URI is local, we are sure it won't wrongly inherit chrome privs
+ var features = "chrome,dialog=no,all" + this.getFeatures(cmdLine);
+ openWindow(null, resolvedURI.spec, "_blank", features);
+ cmdLine.preventDefault = true;
+ } else {
+ dump("*** Preventing load of web URI as chrome\n");
+ dump(" If you're trying to load a webpage, do not pass --chrome.\n");
+ }
+ }
+ catch (e) {
+ Components.utils.reportError(e);
+ }
+ }
+ if (cmdLine.handleFlag("preferences", false)) {
+ openPreferences();
+ cmdLine.preventDefault = true;
+ }
+ if (cmdLine.handleFlag("silent", false))
+ cmdLine.preventDefault = true;
+
+ try {
+ var privateWindowParam = cmdLine.handleFlagWithParam("private-window", false);
+ if (privateWindowParam) {
+ let resolvedURI = resolveURIInternal(cmdLine, privateWindowParam);
+ handURIToExistingBrowser(resolvedURI, nsIBrowserDOMWindow.OPEN_NEWTAB, cmdLine, true);
+ cmdLine.preventDefault = true;
+ }
+ } catch (e) {
+ if (e.result != Components.results.NS_ERROR_INVALID_ARG) {
+ throw e;
+ }
+ // NS_ERROR_INVALID_ARG is thrown when flag exists, but has no param.
+ if (cmdLine.handleFlag("private-window", false)) {
+ openWindow(null, this.chromeURL, "_blank",
+ "chrome,dialog=no,private,all" + this.getFeatures(cmdLine),
+ "about:privatebrowsing");
+ cmdLine.preventDefault = true;
+ }
+ }
+
+ var searchParam = cmdLine.handleFlagWithParam("search", false);
+ if (searchParam) {
+ doSearch(searchParam, cmdLine);
+ cmdLine.preventDefault = true;
+ }
+
+ // The global PB Service consumes this flag, so only eat it in per-window
+ // PB builds.
+ if (cmdLine.handleFlag("private", false)) {
+ PrivateBrowsingUtils.enterTemporaryAutoStartMode();
+ }
+
+ var fileParam = cmdLine.handleFlagWithParam("file", false);
+ if (fileParam) {
+ var file = cmdLine.resolveFile(fileParam);
+ var fileURI = Services.io.newFileURI(file);
+ openWindow(null, this.chromeURL, "_blank",
+ "chrome,dialog=no,all" + this.getFeatures(cmdLine),
+ fileURI.spec);
+ cmdLine.preventDefault = true;
+ }
+
+ if (AppConstants.platform == "win") {
+ // Handle "? searchterm" for Windows Vista start menu integration
+ for (var i = cmdLine.length - 1; i >= 0; --i) {
+ var param = cmdLine.getArgument(i);
+ if (param.match(/^\? /)) {
+ cmdLine.removeArguments(i, i);
+ cmdLine.preventDefault = true;
+
+ searchParam = param.substr(2);
+ doSearch(searchParam, cmdLine);
+ }
+ }
+ }
+ },
+
+ get helpInfo() {
+ let info =
+ " --browser Open a browser window.\n" +
+ " --new-window <url> Open <url> in a new window.\n" +
+ " --new-tab <url> Open <url> in a new tab.\n" +
+ " --private-window <url> Open <url> in a new private window.\n";
+ if (AppConstants.platform == "win") {
+ info += " --preferences Open Options dialog.\n";
+ } else {
+ info += " --preferences Open Preferences dialog.\n";
+ }
+ info += " --search <term> Search <term> with your default search engine.\n";
+ return info;
+ },
+
+ /* nsIBrowserHandler */
+
+ get defaultArgs() {
+ var prefb = Services.prefs;
+
+ if (!gFirstWindow) {
+ gFirstWindow = true;
+ if (PrivateBrowsingUtils.isInTemporaryAutoStartMode) {
+ return "about:privatebrowsing";
+ }
+ }
+
+ var override;
+ var overridePage = "";
+ var additionalPage = "";
+ var willRestoreSession = false;
+ try {
+ // Read the old value of homepage_override.mstone before
+ // needHomepageOverride updates it, so that we can later add it to the
+ // URL if we do end up showing an overridePage. This makes it possible
+ // to have the overridePage's content vary depending on the version we're
+ // upgrading from.
+ let old_mstone = "unknown";
+ try {
+ old_mstone = Services.prefs.getCharPref("browser.startup.homepage_override.mstone");
+ } catch (ex) {}
+ override = needHomepageOverride(prefb);
+ if (override != OVERRIDE_NONE) {
+ switch (override) {
+ case OVERRIDE_NEW_PROFILE:
+ // New profile.
+ overridePage = Services.urlFormatter.formatURLPref("startup.homepage_welcome_url");
+ additionalPage = Services.urlFormatter.formatURLPref("startup.homepage_welcome_url.additional");
+ // Turn on 'later run' pages for new profiles.
+ LaterRun.enabled = true;
+ break;
+ case OVERRIDE_NEW_MSTONE:
+ // Check whether we will restore a session. If we will, we assume
+ // that this is an "update" session. This does not take crashes
+ // into account because that requires waiting for the session file
+ // to be read. If a crash occurs after updating, before restarting,
+ // we may open the startPage in addition to restoring the session.
+ var ss = Components.classes["@mozilla.org/browser/sessionstartup;1"]
+ .getService(Components.interfaces.nsISessionStartup);
+ willRestoreSession = ss.isAutomaticRestoreEnabled();
+
+ overridePage = Services.urlFormatter.formatURLPref("startup.homepage_override_url");
+ if (prefb.prefHasUserValue("app.update.postupdate"))
+ overridePage = getPostUpdateOverridePage(overridePage);
+
+ overridePage = overridePage.replace("%OLD_VERSION%", old_mstone);
+ break;
+ }
+ }
+ } catch (ex) {}
+
+ // formatURLPref might return "about:blank" if getting the pref fails
+ if (overridePage == "about:blank")
+ overridePage = "";
+
+ if (!additionalPage) {
+ additionalPage = LaterRun.getURL() || "";
+ }
+
+ if (additionalPage && additionalPage != "about:blank") {
+ if (overridePage) {
+ overridePage += "|" + additionalPage;
+ } else {
+ overridePage = additionalPage;
+ }
+ }
+
+ var startPage = "";
+ try {
+ var choice = prefb.getIntPref("browser.startup.page");
+ if (choice == 1 || choice == 3)
+ startPage = this.startPage;
+ } catch (e) {
+ Components.utils.reportError(e);
+ }
+
+ if (startPage == "about:blank")
+ startPage = "";
+
+ let skipStartPage = override == OVERRIDE_NEW_PROFILE &&
+ prefb.getBoolPref("browser.startup.firstrunSkipsHomepage");
+ // Only show the startPage if we're not restoring an update session and are
+ // not set to skip the start page on this profile
+ if (overridePage && startPage && !willRestoreSession && !skipStartPage)
+ return overridePage + "|" + startPage;
+
+ return overridePage || startPage || "about:blank";
+ },
+
+ get startPage() {
+ var uri = Services.prefs.getComplexValue("browser.startup.homepage",
+ nsIPrefLocalizedString).data;
+ if (!uri) {
+ Services.prefs.clearUserPref("browser.startup.homepage");
+ uri = Services.prefs.getComplexValue("browser.startup.homepage",
+ nsIPrefLocalizedString).data;
+ }
+ return uri;
+ },
+
+ mFeatures : null,
+
+ getFeatures : function bch_features(cmdLine) {
+ if (this.mFeatures === null) {
+ this.mFeatures = "";
+
+ try {
+ var width = cmdLine.handleFlagWithParam("width", false);
+ var height = cmdLine.handleFlagWithParam("height", false);
+
+ if (width)
+ this.mFeatures += ",width=" + width;
+ if (height)
+ this.mFeatures += ",height=" + height;
+ }
+ catch (e) {
+ }
+
+ // The global PB Service consumes this flag, so only eat it in per-window
+ // PB builds.
+ if (PrivateBrowsingUtils.isInTemporaryAutoStartMode) {
+ this.mFeatures = ",private";
+ }
+ }
+
+ return this.mFeatures;
+ },
+
+ /* nsIContentHandler */
+
+ handleContent : function bch_handleContent(contentType, context, request) {
+ try {
+ var webNavInfo = Components.classes["@mozilla.org/webnavigation-info;1"]
+ .getService(nsIWebNavigationInfo);
+ if (!webNavInfo.isTypeSupported(contentType, null)) {
+ throw NS_ERROR_WONT_HANDLE_CONTENT;
+ }
+ } catch (e) {
+ throw NS_ERROR_WONT_HANDLE_CONTENT;
+ }
+
+ request.QueryInterface(nsIChannel);
+ handURIToExistingBrowser(request.URI,
+ nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW, null);
+ request.cancel(NS_BINDING_ABORTED);
+ },
+
+ /* nsICommandLineValidator */
+ validate : function bch_validate(cmdLine) {
+ // Other handlers may use osint so only handle the osint flag if the url
+ // flag is also present and the command line is valid.
+ var osintFlagIdx = cmdLine.findFlag("osint", false);
+ var urlFlagIdx = cmdLine.findFlag("url", false);
+ if (urlFlagIdx > -1 && (osintFlagIdx > -1 ||
+ cmdLine.state == nsICommandLine.STATE_REMOTE_EXPLICIT)) {
+ var urlParam = cmdLine.getArgument(urlFlagIdx + 1);
+ if (cmdLine.length != urlFlagIdx + 2 || /firefoxurl:/.test(urlParam))
+ throw NS_ERROR_ABORT;
+ var isDefault = false;
+ try {
+ var url = Services.urlFormatter.formatURLPref("app.support.baseURL") +
+ "win10-default-browser";
+ if (urlParam == url) {
+ isDefault = ShellService.isDefaultBrowser(false, false);
+ }
+ } catch (ex) {}
+ if (isDefault) {
+ // Firefox is already the default HTTP handler.
+ // We don't have to show the instruction page.
+ throw NS_ERROR_ABORT;
+ }
+ cmdLine.handleFlag("osint", false)
+ }
+ },
+};
+var gBrowserContentHandler = new nsBrowserContentHandler();
+
+function handURIToExistingBrowser(uri, location, cmdLine, forcePrivate)
+{
+ if (!shouldLoadURI(uri))
+ return;
+
+ // Unless using a private window is forced, open external links in private
+ // windows only if we're in perma-private mode.
+ var allowPrivate = forcePrivate || PrivateBrowsingUtils.permanentPrivateBrowsing;
+ var navWin = RecentWindow.getMostRecentBrowserWindow({private: allowPrivate});
+ if (!navWin) {
+ // if we couldn't load it in an existing window, open a new one
+ var features = "chrome,dialog=no,all" + gBrowserContentHandler.getFeatures(cmdLine);
+ if (forcePrivate) {
+ features += ",private";
+ }
+ openWindow(null, gBrowserContentHandler.chromeURL, "_blank", features, uri.spec);
+ return;
+ }
+
+ var navNav = navWin.QueryInterface(nsIInterfaceRequestor)
+ .getInterface(nsIWebNavigation);
+ var rootItem = navNav.QueryInterface(nsIDocShellTreeItem).rootTreeItem;
+ var rootWin = rootItem.QueryInterface(nsIInterfaceRequestor)
+ .getInterface(nsIDOMWindow);
+ var bwin = rootWin.QueryInterface(nsIDOMChromeWindow).browserDOMWindow;
+ bwin.openURI(uri, null, location,
+ nsIBrowserDOMWindow.OPEN_EXTERNAL);
+}
+
+function nsDefaultCommandLineHandler() {
+}
+
+nsDefaultCommandLineHandler.prototype = {
+ classID: Components.ID("{47cd0651-b1be-4a0f-b5c4-10e5a573ef71}"),
+
+ /* nsISupports */
+ QueryInterface : function dch_QI(iid) {
+ if (!iid.equals(nsISupports) &&
+ !iid.equals(nsICommandLineHandler))
+ throw Components.results.NS_ERROR_NO_INTERFACE;
+
+ return this;
+ },
+
+ _haveProfile: false,
+
+ /* nsICommandLineHandler */
+ handle : function dch_handle(cmdLine) {
+ // The -url flag is inserted by the operating system when the default
+ // application handler is used. We check for default browser to remove
+ // instances where users explicitly decide to "open with" the browser.
+ // Note that users who launch firefox manually with the -url flag will
+ // get erroneously counted.
+ try {
+ if (cmdLine.findFlag("url", false) &&
+ ShellService.isDefaultBrowser(false, false)) {
+ Services.telemetry.getHistogramById("FX_STARTUP_EXTERNAL_CONTENT_HANDLER").add();
+ }
+ } catch (e) {}
+
+ var urilist = [];
+
+ if (AppConstants.platform == "win") {
+ // If we don't have a profile selected yet (e.g. the Profile Manager is
+ // displayed) we will crash if we open an url and then select a profile. To
+ // prevent this handle all url command line flags and set the command line's
+ // preventDefault to true to prevent the display of the ui. The initial
+ // command line will be retained when nsAppRunner calls LaunchChild though
+ // urls launched after the initial launch will be lost.
+ if (!this._haveProfile) {
+ try {
+ // This will throw when a profile has not been selected.
+ Services.dirsvc.get("ProfD", Components.interfaces.nsILocalFile);
+ this._haveProfile = true;
+ }
+ catch (e) {
+ while ((ar = cmdLine.handleFlagWithParam("url", false)));
+ cmdLine.preventDefault = true;
+ }
+ }
+ }
+
+ try {
+ var ar;
+ while ((ar = cmdLine.handleFlagWithParam("url", false))) {
+ var uri = resolveURIInternal(cmdLine, ar);
+ urilist.push(uri);
+ }
+ }
+ catch (e) {
+ Components.utils.reportError(e);
+ }
+
+ for (let i = 0; i < cmdLine.length; ++i) {
+ var curarg = cmdLine.getArgument(i);
+ if (curarg.match(/^-/)) {
+ Components.utils.reportError("Warning: unrecognized command line flag " + curarg + "\n");
+ // To emulate the pre-nsICommandLine behavior, we ignore
+ // the argument after an unrecognized flag.
+ ++i;
+ } else {
+ try {
+ urilist.push(resolveURIInternal(cmdLine, curarg));
+ }
+ catch (e) {
+ Components.utils.reportError("Error opening URI '" + curarg + "' from the command line: " + e + "\n");
+ }
+ }
+ }
+
+ if (urilist.length) {
+ if (cmdLine.state != nsICommandLine.STATE_INITIAL_LAUNCH &&
+ urilist.length == 1) {
+ // Try to find an existing window and load our URI into the
+ // current tab, new tab, or new window as prefs determine.
+ try {
+ handURIToExistingBrowser(urilist[0], nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW, cmdLine);
+ return;
+ }
+ catch (e) {
+ }
+ }
+
+ var URLlist = urilist.filter(shouldLoadURI).map(u => u.spec);
+ if (URLlist.length) {
+ openWindow(null, gBrowserContentHandler.chromeURL, "_blank",
+ "chrome,dialog=no,all" + gBrowserContentHandler.getFeatures(cmdLine),
+ URLlist);
+ }
+
+ }
+ else if (!cmdLine.preventDefault) {
+ if (AppConstants.isPlatformAndVersionAtLeast("win", "10") &&
+ cmdLine.state != nsICommandLine.STATE_INITIAL_LAUNCH &&
+ WindowsUIUtils.inTabletMode) {
+ // In windows 10 tablet mode, do not create a new window, but reuse the existing one.
+ let win = RecentWindow.getMostRecentBrowserWindow();
+ if (win) {
+ win.focus();
+ return;
+ }
+ }
+ // Passing defaultArgs, so use NO_EXTERNAL_URIS
+ openWindow(null, gBrowserContentHandler.chromeURL, "_blank",
+ "chrome,dialog=no,all" + gBrowserContentHandler.getFeatures(cmdLine),
+ gBrowserContentHandler.defaultArgs, NO_EXTERNAL_URIS);
+ }
+ },
+
+ helpInfo : "",
+};
+
+var components = [nsBrowserContentHandler, nsDefaultCommandLineHandler];
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory(components);