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authorThomas Groman <tgroman@nuegia.net>2019-12-16 19:48:42 -0800
committerThomas Groman <tgroman@nuegia.net>2019-12-16 19:48:42 -0800
commit4492b5f8e774bf3b4f21e4e468fc052cbcbb468a (patch)
tree37970571a7dcbeb6b58c991ce718ce7001ac97d6 /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/.
+
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+Components.utils.import("resource://gre/modules/Services.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
+ "resource://gre/modules/PrivateBrowsingUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow",
+ "resource:///modules/RecentWindow.jsm");
+
+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 nsIPrefBranch = Components.interfaces.nsIPrefBranch;
+const nsIPrefLocalizedString = Components.interfaces.nsIPrefLocalizedString;
+const nsISupportsString = Components.interfaces.nsISupportsString;
+const nsIURIFixup = Components.interfaces.nsIURIFixup;
+const nsIWebNavigation = Components.interfaces.nsIWebNavigation;
+const nsIWindowMediator = Components.interfaces.nsIWindowMediator;
+const nsIWindowWatcher = Components.interfaces.nsIWindowWatcher;
+const nsIWebNavigationInfo = Components.interfaces.nsIWebNavigationInfo;
+const nsIBrowserSearchService = Components.interfaces.nsIBrowserSearchService;
+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;
+
+const URI_INHERITS_SECURITY_CONTEXT = Components.interfaces.nsIHttpProtocolHandler
+ .URI_INHERITS_SECURITY_CONTEXT;
+
+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 = Components.classes["@mozilla.org/docshell/urifixup;1"]
+ .getService(nsIURIFixup);
+
+ 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
+ * Goanna 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 Goanna milestone (i.e. after a nightly upgrade).
+ * OVERRIDE_NONE otherwise.
+ */
+function needHomepageOverride(prefb) {
+ var savedmstone = prefb.getCharPref("browser.startup.homepage_override.mstone", "");
+
+ if (savedmstone == "ignore")
+ return OVERRIDE_NONE;
+
+ var mstone = Services.appinfo.platformVersion;
+
+ var savedBuildID = prefb.getCharPref("browser.startup.homepage_override.buildID", "");
+
+ 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) {
+ var wwatch = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
+ .getService(nsIWindowWatcher);
+
+ 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 wwatch.openWindow(parent, url, target, features, argstring);
+ }
+
+ // Pass an array to avoid the browser "|"-splitting behavior.
+ var argArray = Components.classes["@mozilla.org/supports-array;1"]
+ .createInstance(Components.interfaces.nsISupportsArray);
+
+ // 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/supports-array;1"]
+ .createInstance(Components.interfaces.nsISupportsArray);
+ stringArgs.forEach(function (uri) {
+ var sstring = Components.classes["@mozilla.org/supports-string;1"]
+ .createInstance(nsISupportsString);
+ sstring.data = uri;
+ uriArray.AppendElement(sstring);
+ });
+ argArray.AppendElement(uriArray);
+ } else {
+ argArray.AppendElement(null);
+ }
+
+ // 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); // charset
+ argArray.AppendElement(null); // referer
+ argArray.AppendElement(null); // postData
+ argArray.AppendElement(null); // allowThirdPartyFixup
+
+ return wwatch.openWindow(parent, url, target, features, argArray);
+}
+
+function openPreferences() {
+ var features = "chrome,titlebar,toolbar,centerscreen,dialog=no";
+ var url = "chrome://browser/content/preferences/preferences.xul";
+
+ var win = getMostRecentWindow("Browser:Preferences");
+ if (win) {
+ win.focus();
+ } else {
+ openWindow(null, url, "_blank", features);
+ }
+}
+
+function getMostRecentWindow(aType) {
+ var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"]
+ .getService(nsIWindowMediator);
+ return wm.getMostRecentWindow(aType);
+}
+
+function doSearch(searchTerm, cmdLine) {
+ var ss = Components.classes["@mozilla.org/browser/search-service;1"]
+ .getService(nsIBrowserSearchService);
+
+ var submission = ss.defaultEngine.getSubmission(searchTerm);
+
+ // fill our nsISupportsArray with uri-as-wstring, null, null, postData
+ var sa = Components.classes["@mozilla.org/supports-array;1"]
+ .createInstance(Components.interfaces.nsISupportsArray);
+
+ var wuri = Components.classes["@mozilla.org/supports-string;1"]
+ .createInstance(Components.interfaces.nsISupportsString);
+ wuri.data = submission.uri.spec;
+
+ sa.AppendElement(wuri);
+ sa.AppendElement(null);
+ sa.AppendElement(null);
+ sa.AppendElement(submission.postData);
+
+ // XXXbsmedberg: use handURIToExistingBrowser to obey tabbed-browsing
+ // preferences, but need nsIBrowserDOMWindow extensions
+
+ var wwatch = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
+ .getService(nsIWindowWatcher);
+
+ return wwatch.openWindow(null, gBrowserContentHandler.chromeURL,
+ "_blank",
+ "chrome,dialog=no,all" +
+ gBrowserContentHandler.getFeatures(cmdLine),
+ sa);
+}
+
+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;
+ }
+
+ var prefb = Components.classes["@mozilla.org/preferences-service;1"]
+ .getService(nsIPrefBranch);
+ this.mChromeURL = prefb.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;
+ }
+
+ try {
+ var remoteCommand = cmdLine.handleFlagWithParam("remote", true);
+ }
+ catch (e) {
+ throw NS_ERROR_ABORT;
+ }
+
+ if (remoteCommand != null) {
+ try {
+ var a = /^\s*(\w+)\(([^\)]*)\)\s*$/.exec(remoteCommand);
+ var remoteVerb;
+ if (a) {
+ remoteVerb = a[1].toLowerCase();
+ var remoteParams = [];
+ var sepIndex = a[2].lastIndexOf(",");
+ if (sepIndex == -1)
+ remoteParams[0] = a[2];
+ else {
+ remoteParams[0] = a[2].substring(0, sepIndex);
+ remoteParams[1] = a[2].substring(sepIndex + 1);
+ }
+ }
+
+ switch (remoteVerb) {
+ case "openurl":
+ case "openfile":
+ // openURL(<url>)
+ // openURL(<url>,new-window)
+ // openURL(<url>,new-tab)
+
+ // First param is the URL, second param (if present) is the "target"
+ // (tab, window)
+ var url = remoteParams[0];
+ var target = nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW;
+ if (remoteParams[1]) {
+ var targetParam = remoteParams[1].toLowerCase()
+ .replace(/^\s*|\s*$/g, "");
+ if (targetParam == "new-tab")
+ target = nsIBrowserDOMWindow.OPEN_NEWTAB;
+ else if (targetParam == "new-window")
+ target = nsIBrowserDOMWindow.OPEN_NEWWINDOW;
+ else {
+ // The "target" param isn't one of our supported values, so
+ // assume it's part of a URL that contains commas.
+ url += "," + remoteParams[1];
+ }
+ }
+
+ var uri = resolveURIInternal(cmdLine, url);
+ handURIToExistingBrowser(uri, target, cmdLine);
+ break;
+
+ case "xfedocommand":
+ // xfeDoCommand(openBrowser)
+ if (remoteParams[0].toLowerCase() != "openbrowser")
+ throw NS_ERROR_ABORT;
+
+ // Passing defaultArgs, so use NO_EXTERNAL_URIS
+ openWindow(null, this.chromeURL, "_blank",
+ "chrome,dialog=no,all" + this.getFeatures(cmdLine),
+ this.defaultArgs, NO_EXTERNAL_URIS);
+ break;
+
+ default:
+ // Somebody sent us a remote command we don't know how to process:
+ // just abort.
+ throw "Unknown remote command.";
+ }
+
+ cmdLine.preventDefault = true;
+ }
+ catch (e) {
+ Components.utils.reportError(e);
+ // If we had a -remote flag but failed to process it, throw
+ // NS_ERROR_ABORT so that the xremote code knows to return a failure
+ // back to the handling code.
+ throw NS_ERROR_ABORT;
+ }
+ }
+
+ var uriparam;
+ try {
+ while ((uriparam = cmdLine.handleFlagWithParam("new-window", false))) {
+ var 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))) {
+ var 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 the old preference dialog URL separately (bug 285416)
+ if (chromeParam == "chrome://browser/content/pref/pref.xul") {
+ openPreferences();
+ cmdLine.preventDefault = true;
+ } else try {
+ // only load URIs which do not inherit chrome privs
+ var features = "chrome,dialog=no,all" + this.getFeatures(cmdLine);
+ var uri = resolveURIInternal(cmdLine, chromeParam);
+ var netutil = Components.classes["@mozilla.org/network/util;1"]
+ .getService(nsINetUtil);
+ if (!netutil.URIChainHasFlags(uri, URI_INHERITS_SECURITY_CONTEXT)) {
+ openWindow(null, uri.spec, "_blank", features);
+ cmdLine.preventDefault = true;
+ }
+ }
+ 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 ios = Components.classes["@mozilla.org/network/io-service;1"]
+ .getService(Components.interfaces.nsIIOService);
+ var uri = ios.newFileURI(file);
+ openWindow(null, this.chromeURL, "_blank",
+ "chrome,dialog=no,all" + this.getFeatures(cmdLine),
+ uri.spec);
+ cmdLine.preventDefault = true;
+ }
+
+#ifdef XP_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);
+ }
+ }
+#endif
+ },
+
+ helpInfo : " --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" +
+#ifdef XP_WIN
+ " --preferences Open Options dialog.\n" +
+#else
+ " --preferences Open Preferences dialog.\n" +
+#endif
+ " --search <term> Search <term> with your default search engine.\n",
+
+ /* nsIBrowserHandler */
+
+ get defaultArgs() {
+ var prefb = Components.classes["@mozilla.org/preferences-service;1"]
+ .getService(nsIPrefBranch);
+
+ if (!gFirstWindow) {
+ gFirstWindow = true;
+ if (PrivateBrowsingUtils.isInTemporaryAutoStartMode) {
+ return "about:privatebrowsing";
+ }
+ }
+
+ var overridePage = "";
+ var haveUpdateSession = 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 = Services.prefs.getCharPref("browser.startup.homepage_override.mstone", "unknown");
+ let override = needHomepageOverride(prefb);
+ if (override != OVERRIDE_NONE) {
+ switch (override) {
+ case OVERRIDE_NEW_PROFILE:
+ // New profile.
+ overridePage = Services.urlFormatter.formatURLPref("startup.homepage_welcome_url");
+ break;
+ case OVERRIDE_NEW_MSTONE:
+ // Check whether we have a session to restore. If we do, we assume
+ // that this is an "update" session.
+ var ss = Components.classes["@mozilla.org/browser/sessionstartup;1"]
+ .getService(Components.interfaces.nsISessionStartup);
+ haveUpdateSession = ss.doRestore();
+ 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 = "";
+
+ var startPage = "";
+ try {
+ var choice = prefb.getIntPref("browser.startup.page");
+ if (choice == 1 || choice == 3)
+ startPage = this.startPage;
+ } catch (e) {
+ Components.utils.reportError(e);
+ }
+
+ // Only show the startPage if we're not restoring an update session.
+ if (overridePage && startPage && !haveUpdateSession)
+ return overridePage + "|" + startPage;
+
+ return overridePage || startPage || "about:logopage";
+ },
+
+ 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;
+ 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;
+ },
+
+#ifdef XP_WIN
+ _haveProfile: false,
+#endif
+
+ /* nsICommandLineHandler */
+ handle : function dch_handle(cmdLine) {
+ var urilist = [];
+
+#ifdef XP_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.
+ var fl = Components.classes["@mozilla.org/file/directory_service;1"]
+ .getService(Components.interfaces.nsIProperties);
+ var dir = fl.get("ProfD", Components.interfaces.nsILocalFile);
+ this._haveProfile = true;
+ }
+ catch (e) {
+ while ((ar = cmdLine.handleFlagWithParam("url", false))) { }
+ cmdLine.preventDefault = true;
+ }
+ }
+#endif
+
+ try {
+ var ar;
+ while ((ar = cmdLine.handleFlagWithParam("url", false))) {
+ var uri = resolveURIInternal(cmdLine, ar);
+ urilist.push(uri);
+ }
+ }
+ catch (e) {
+ Components.utils.reportError(e);
+ }
+
+ let count = cmdLine.length;
+
+ for (let i = 0; i < count; ++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(function (u) u.spec);
+ if (URLlist.length) {
+ openWindow(null, gBrowserContentHandler.chromeURL, "_blank",
+ "chrome,dialog=no,all" + gBrowserContentHandler.getFeatures(cmdLine),
+ URLlist);
+ }
+
+ }
+ else if (!cmdLine.preventDefault) {
+ // 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);