зеркало из https://github.com/mozilla/gecko-dev.git
1208 строки
44 KiB
JavaScript
1208 строки
44 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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var Cc = Components.classes;
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var Ci = Components.interfaces;
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var Cu = Components.utils;
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this.EXPORTED_SYMBOLS = [ "PluginContent" ];
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/Timer.jsm");
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Cu.import("resource://gre/modules/BrowserUtils.jsm");
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XPCOMUtils.defineLazyGetter(this, "gNavigatorBundle", function() {
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const url = "chrome://browser/locale/browser.properties";
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return Services.strings.createBundle(url);
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});
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XPCOMUtils.defineLazyModuleGetter(this, "AppConstants",
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"resource://gre/modules/AppConstants.jsm");
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this.PluginContent = function(global) {
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this.init(global);
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}
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const FLASH_MIME_TYPE = "application/x-shockwave-flash";
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const REPLACEMENT_STYLE_SHEET = Services.io.newURI("chrome://pluginproblem/content/pluginReplaceBinding.css");
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PluginContent.prototype = {
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init(global) {
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this.global = global;
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// Need to hold onto the content window or else it'll get destroyed
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this.content = this.global.content;
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// Cache of plugin actions for the current page.
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this.pluginData = new Map();
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// Cache of plugin crash information sent from the parent
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this.pluginCrashData = new Map();
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// Note that the XBL binding is untrusted
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global.addEventListener("PluginBindingAttached", this, true, true);
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global.addEventListener("PluginPlaceholderReplaced", this, true, true);
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global.addEventListener("PluginCrashed", this, true);
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global.addEventListener("PluginOutdated", this, true);
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global.addEventListener("PluginInstantiated", this, true);
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global.addEventListener("PluginRemoved", this, true);
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global.addEventListener("pagehide", this, true);
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global.addEventListener("pageshow", this, true);
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global.addEventListener("unload", this);
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global.addEventListener("HiddenPlugin", this, true);
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global.addMessageListener("BrowserPlugins:ActivatePlugins", this);
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global.addMessageListener("BrowserPlugins:NotificationShown", this);
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global.addMessageListener("BrowserPlugins:ContextMenuCommand", this);
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global.addMessageListener("BrowserPlugins:NPAPIPluginProcessCrashed", this);
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global.addMessageListener("BrowserPlugins:CrashReportSubmitted", this);
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global.addMessageListener("BrowserPlugins:Test:ClearCrashData", this);
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Services.obs.addObserver(this, "decoder-doctor-notification", false);
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},
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uninit() {
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let global = this.global;
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global.removeEventListener("PluginBindingAttached", this, true);
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global.removeEventListener("PluginPlaceholderReplaced", this, true, true);
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global.removeEventListener("PluginCrashed", this, true);
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global.removeEventListener("PluginOutdated", this, true);
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global.removeEventListener("PluginInstantiated", this, true);
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global.removeEventListener("PluginRemoved", this, true);
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global.removeEventListener("pagehide", this, true);
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global.removeEventListener("pageshow", this, true);
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global.removeEventListener("unload", this);
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global.removeEventListener("HiddenPlugin", this, true);
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global.removeMessageListener("BrowserPlugins:ActivatePlugins", this);
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global.removeMessageListener("BrowserPlugins:NotificationShown", this);
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global.removeMessageListener("BrowserPlugins:ContextMenuCommand", this);
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global.removeMessageListener("BrowserPlugins:NPAPIPluginProcessCrashed", this);
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global.removeMessageListener("BrowserPlugins:CrashReportSubmitted", this);
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global.removeMessageListener("BrowserPlugins:Test:ClearCrashData", this);
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Services.obs.removeObserver(this, "decoder-doctor-notification");
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delete this.global;
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delete this.content;
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},
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receiveMessage(msg) {
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switch (msg.name) {
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case "BrowserPlugins:ActivatePlugins":
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this.activatePlugins(msg.data.pluginInfo, msg.data.newState);
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break;
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case "BrowserPlugins:NotificationShown":
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setTimeout(() => this.updateNotificationUI(), 0);
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break;
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case "BrowserPlugins:ContextMenuCommand":
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switch (msg.data.command) {
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case "play":
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this._showClickToPlayNotification(msg.objects.plugin, true);
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break;
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case "hide":
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this.hideClickToPlayOverlay(msg.objects.plugin);
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break;
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}
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break;
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case "BrowserPlugins:NPAPIPluginProcessCrashed":
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this.NPAPIPluginProcessCrashed({
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pluginName: msg.data.pluginName,
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runID: msg.data.runID,
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state: msg.data.state,
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});
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break;
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case "BrowserPlugins:CrashReportSubmitted":
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this.NPAPIPluginCrashReportSubmitted({
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runID: msg.data.runID,
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state: msg.data.state,
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})
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break;
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case "BrowserPlugins:Test:ClearCrashData":
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// This message should ONLY ever be sent by automated tests.
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if (Services.prefs.getBoolPref("plugins.testmode")) {
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this.pluginCrashData.clear();
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}
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}
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},
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observe: function observe(aSubject, aTopic, aData) {
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switch (aTopic) {
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case "decoder-doctor-notification":
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let data = JSON.parse(aData);
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let type = data.type.toLowerCase();
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if (type == "cannot-play" &&
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this.haveShownNotification &&
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aSubject.top.document == this.content.document &&
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data.formats.toLowerCase().includes("application/x-mpegurl", 0)) {
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this.global.content.pluginRequiresReload = true;
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this.updateNotificationUI(this.content.document);
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}
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}
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},
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onPageShow(event) {
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// Ignore events that aren't from the main document.
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if (!this.content || event.target != this.content.document) {
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return;
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}
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// The PluginClickToPlay events are not fired when navigating using the
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// BF cache. |persisted| is true when the page is loaded from the
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// BF cache, so this code reshows the notification if necessary.
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if (event.persisted) {
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this.reshowClickToPlayNotification();
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}
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},
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onPageHide(event) {
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// Ignore events that aren't from the main document.
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if (!this.content || event.target != this.content.document) {
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return;
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}
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this._finishRecordingFlashPluginTelemetry();
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this.clearPluginCaches();
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this.haveShownNotification = false;
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},
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getPluginUI(plugin, anonid) {
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return plugin.ownerDocument.
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getAnonymousElementByAttribute(plugin, "anonid", anonid);
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},
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_getPluginInfo(pluginElement) {
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if (pluginElement instanceof Ci.nsIDOMHTMLAnchorElement) {
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// Anchor elements are our place holders, and we only have them for Flash
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let pluginHost = Cc["@mozilla.org/plugin/host;1"].getService(Ci.nsIPluginHost);
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return {
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pluginName: "Shockwave Flash",
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mimetype: FLASH_MIME_TYPE,
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permissionString: pluginHost.getPermissionStringForType(FLASH_MIME_TYPE)
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};
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}
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let pluginHost = Cc["@mozilla.org/plugin/host;1"].getService(Ci.nsIPluginHost);
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pluginElement.QueryInterface(Ci.nsIObjectLoadingContent);
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let tagMimetype;
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let pluginName = gNavigatorBundle.GetStringFromName("pluginInfo.unknownPlugin");
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let pluginTag = null;
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let permissionString = null;
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let fallbackType = null;
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let blocklistState = null;
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tagMimetype = pluginElement.actualType;
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if (tagMimetype == "") {
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tagMimetype = pluginElement.type;
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}
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if (this.isKnownPlugin(pluginElement)) {
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pluginTag = pluginHost.getPluginTagForType(pluginElement.actualType);
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pluginName = BrowserUtils.makeNicePluginName(pluginTag.name);
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// Convert this from nsIPluginTag so it can be serialized.
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let properties = ["name", "description", "filename", "version", "enabledState", "niceName"];
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let pluginTagCopy = {};
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for (let prop of properties) {
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pluginTagCopy[prop] = pluginTag[prop];
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}
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pluginTag = pluginTagCopy;
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permissionString = pluginHost.getPermissionStringForType(pluginElement.actualType);
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fallbackType = pluginElement.defaultFallbackType;
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blocklistState = pluginHost.getBlocklistStateForType(pluginElement.actualType);
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// Make state-softblocked == state-notblocked for our purposes,
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// they have the same UI. STATE_OUTDATED should not exist for plugin
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// items, but let's alias it anyway, just in case.
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if (blocklistState == Ci.nsIBlocklistService.STATE_SOFTBLOCKED ||
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blocklistState == Ci.nsIBlocklistService.STATE_OUTDATED) {
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blocklistState = Ci.nsIBlocklistService.STATE_NOT_BLOCKED;
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}
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}
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return { mimetype: tagMimetype,
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pluginName,
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pluginTag,
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permissionString,
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fallbackType,
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blocklistState,
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};
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},
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/**
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* _getPluginInfoForTag is called when iterating the plugins for a document,
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* and what we get from nsIDOMWindowUtils is an nsIPluginTag, and not an
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* nsIObjectLoadingContent. This only should happen if the plugin is
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* click-to-play (see bug 1186948).
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*/
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_getPluginInfoForTag(pluginTag, tagMimetype) {
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let pluginHost = Cc["@mozilla.org/plugin/host;1"].getService(Ci.nsIPluginHost);
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let pluginName = gNavigatorBundle.GetStringFromName("pluginInfo.unknownPlugin");
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let permissionString = null;
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let blocklistState = null;
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if (pluginTag) {
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pluginName = BrowserUtils.makeNicePluginName(pluginTag.name);
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permissionString = pluginHost.getPermissionStringForTag(pluginTag);
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blocklistState = pluginTag.blocklistState;
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// Convert this from nsIPluginTag so it can be serialized.
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let properties = ["name", "description", "filename", "version", "enabledState", "niceName"];
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let pluginTagCopy = {};
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for (let prop of properties) {
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pluginTagCopy[prop] = pluginTag[prop];
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}
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pluginTag = pluginTagCopy;
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// Make state-softblocked == state-notblocked for our purposes,
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// they have the same UI. STATE_OUTDATED should not exist for plugin
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// items, but let's alias it anyway, just in case.
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if (blocklistState == Ci.nsIBlocklistService.STATE_SOFTBLOCKED ||
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blocklistState == Ci.nsIBlocklistService.STATE_OUTDATED) {
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blocklistState = Ci.nsIBlocklistService.STATE_NOT_BLOCKED;
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}
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}
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return { mimetype: tagMimetype,
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pluginName,
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pluginTag,
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permissionString,
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// Since we should only have entered _getPluginInfoForTag when
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// examining a click-to-play plugin, we can safely hard-code
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// this fallback type, since we don't actually have an
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// nsIObjectLoadingContent to check.
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fallbackType: Ci.nsIObjectLoadingContent.PLUGIN_CLICK_TO_PLAY,
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blocklistState,
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};
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},
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/**
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* Update the visibility of the plugin overlay.
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*/
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setVisibility(plugin, overlay, shouldShow) {
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overlay.classList.toggle("visible", shouldShow);
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if (shouldShow) {
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overlay.removeAttribute("dismissed");
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}
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},
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/**
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* Check whether the plugin should be visible on the page. A plugin should
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* not be visible if the overlay is too big, or if any other page content
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* overlays it.
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*
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* This function will handle showing or hiding the overlay.
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* @returns true if the plugin is invisible.
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*/
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shouldShowOverlay(plugin, overlay) {
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// If the overlay size is 0, we haven't done layout yet. Presume that
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// plugins are visible until we know otherwise.
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if (overlay.scrollWidth == 0) {
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return true;
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}
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// Is the <object>'s size too small to hold what we want to show?
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let pluginRect = plugin.getBoundingClientRect();
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// XXX bug 446693. The text-shadow on the submitted-report text at
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// the bottom causes scrollHeight to be larger than it should be.
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let overflows = (overlay.scrollWidth > Math.ceil(pluginRect.width)) ||
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(overlay.scrollHeight - 5 > Math.ceil(pluginRect.height));
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if (overflows) {
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return false;
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}
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// Is the plugin covered up by other content so that it is not clickable?
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// Floating point can confuse .elementFromPoint, so inset just a bit
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let left = pluginRect.left + 2;
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let right = pluginRect.right - 2;
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let top = pluginRect.top + 2;
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let bottom = pluginRect.bottom - 2;
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let centerX = left + (right - left) / 2;
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let centerY = top + (bottom - top) / 2;
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let points = [[left, top],
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[left, bottom],
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[right, top],
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[right, bottom],
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[centerX, centerY]];
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if (right <= 0 || top <= 0) {
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return false;
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}
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let contentWindow = plugin.ownerGlobal;
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let cwu = contentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIDOMWindowUtils);
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for (let [x, y] of points) {
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let el = cwu.elementFromPoint(x, y, true, true);
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if (el !== plugin) {
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return false;
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}
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}
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return true;
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},
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addLinkClickCallback(linkNode, callbackName /* callbackArgs...*/) {
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// XXX just doing (callback)(arg) was giving a same-origin error. bug?
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let self = this;
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let callbackArgs = Array.prototype.slice.call(arguments).slice(2);
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linkNode.addEventListener("click",
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function(evt) {
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if (!evt.isTrusted)
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return;
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evt.preventDefault();
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if (callbackArgs.length == 0)
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callbackArgs = [ evt ];
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(self[callbackName]).apply(self, callbackArgs);
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},
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true);
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linkNode.addEventListener("keydown",
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function(evt) {
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if (!evt.isTrusted)
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return;
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if (evt.keyCode == evt.DOM_VK_RETURN) {
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evt.preventDefault();
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if (callbackArgs.length == 0)
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callbackArgs = [ evt ];
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evt.preventDefault();
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(self[callbackName]).apply(self, callbackArgs);
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}
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},
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true);
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},
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// Helper to get the binding handler type from a plugin object
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_getBindingType(plugin) {
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if (!(plugin instanceof Ci.nsIObjectLoadingContent))
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return null;
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switch (plugin.pluginFallbackType) {
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case Ci.nsIObjectLoadingContent.PLUGIN_UNSUPPORTED:
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return "PluginNotFound";
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case Ci.nsIObjectLoadingContent.PLUGIN_DISABLED:
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return "PluginDisabled";
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case Ci.nsIObjectLoadingContent.PLUGIN_BLOCKLISTED:
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return "PluginBlocklisted";
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case Ci.nsIObjectLoadingContent.PLUGIN_OUTDATED:
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return "PluginOutdated";
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case Ci.nsIObjectLoadingContent.PLUGIN_CLICK_TO_PLAY:
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return "PluginClickToPlay";
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case Ci.nsIObjectLoadingContent.PLUGIN_VULNERABLE_UPDATABLE:
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return "PluginVulnerableUpdatable";
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case Ci.nsIObjectLoadingContent.PLUGIN_VULNERABLE_NO_UPDATE:
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return "PluginVulnerableNoUpdate";
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default:
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// Not all states map to a handler
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return null;
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}
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},
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handleEvent(event) {
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let eventType = event.type;
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if (eventType == "unload") {
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this.uninit();
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return;
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}
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if (eventType == "pagehide") {
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this.onPageHide(event);
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return;
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}
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if (eventType == "pageshow") {
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this.onPageShow(event);
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return;
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}
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if (eventType == "PluginRemoved") {
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this.updateNotificationUI(event.target);
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return;
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}
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if (eventType == "click") {
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this.onOverlayClick(event);
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return;
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}
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if (eventType == "PluginCrashed" &&
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!(event.target instanceof Ci.nsIObjectLoadingContent)) {
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// If the event target is not a plugin object (i.e., an <object> or
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// <embed> element), this call is for a window-global plugin.
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this.onPluginCrashed(event.target, event);
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return;
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}
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if (eventType == "HiddenPlugin") {
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let win = event.target.defaultView;
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if (!win.mozHiddenPluginTouched) {
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let pluginTag = event.tag.QueryInterface(Ci.nsIPluginTag);
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if (win.top.document != this.content.document) {
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return;
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}
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this._showClickToPlayNotification(pluginTag, false);
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let winUtils = win.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils);
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try {
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winUtils.loadSheet(REPLACEMENT_STYLE_SHEET, win.AGENT_SHEET);
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win.mozHiddenPluginTouched = true;
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} catch (e) {
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Cu.reportError("Error adding plugin replacement style sheet: " + e);
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}
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}
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}
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let plugin = event.target;
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if (eventType == "PluginPlaceholderReplaced") {
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plugin.removeAttribute("href");
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let overlay = this.getPluginUI(plugin, "main");
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this.setVisibility(plugin, overlay, true);
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let inIDOMUtils = Cc["@mozilla.org/inspector/dom-utils;1"]
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.getService(Ci.inIDOMUtils);
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// Add psuedo class so our styling will take effect
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inIDOMUtils.addPseudoClassLock(plugin, "-moz-handler-clicktoplay");
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overlay.addEventListener("click", this, true);
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return;
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}
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if (!(plugin instanceof Ci.nsIObjectLoadingContent))
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return;
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if (eventType == "PluginBindingAttached") {
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// The plugin binding fires this event when it is created.
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// As an untrusted event, ensure that this object actually has a binding
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// and make sure we don't handle it twice
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let overlay = this.getPluginUI(plugin, "main");
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if (!overlay || overlay._bindingHandled) {
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return;
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}
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overlay._bindingHandled = true;
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// Lookup the handler for this binding
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eventType = this._getBindingType(plugin);
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if (!eventType) {
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// Not all bindings have handlers
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return;
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}
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}
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let shouldShowNotification = false;
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switch (eventType) {
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case "PluginCrashed":
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this.onPluginCrashed(plugin, event);
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break;
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case "PluginNotFound": {
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/* NOP */
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break;
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}
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|
case "PluginBlocklisted":
|
|
case "PluginOutdated":
|
|
shouldShowNotification = true;
|
|
break;
|
|
|
|
case "PluginVulnerableUpdatable":
|
|
let updateLink = this.getPluginUI(plugin, "checkForUpdatesLink");
|
|
let { pluginTag } = this._getPluginInfo(plugin);
|
|
this.addLinkClickCallback(updateLink, "forwardCallback",
|
|
"openPluginUpdatePage", pluginTag);
|
|
/* FALLTHRU */
|
|
|
|
case "PluginVulnerableNoUpdate":
|
|
case "PluginClickToPlay":
|
|
this._handleClickToPlayEvent(plugin);
|
|
let pluginName = this._getPluginInfo(plugin).pluginName;
|
|
let messageString = gNavigatorBundle.formatStringFromName("PluginClickToActivate", [pluginName], 1);
|
|
let overlayText = this.getPluginUI(plugin, "clickToPlay");
|
|
overlayText.textContent = messageString;
|
|
if (eventType == "PluginVulnerableUpdatable" ||
|
|
eventType == "PluginVulnerableNoUpdate") {
|
|
let vulnerabilityString = gNavigatorBundle.GetStringFromName(eventType);
|
|
let vulnerabilityText = this.getPluginUI(plugin, "vulnerabilityStatus");
|
|
vulnerabilityText.textContent = vulnerabilityString;
|
|
}
|
|
shouldShowNotification = true;
|
|
break;
|
|
|
|
case "PluginDisabled":
|
|
let manageLink = this.getPluginUI(plugin, "managePluginsLink");
|
|
this.addLinkClickCallback(manageLink, "forwardCallback", "managePlugins");
|
|
shouldShowNotification = true;
|
|
break;
|
|
|
|
case "PluginInstantiated":
|
|
let key = this._getPluginInfo(plugin).pluginTag.niceName;
|
|
Services.telemetry.getKeyedHistogramById("PLUGIN_ACTIVATION_COUNT").add(key);
|
|
shouldShowNotification = true;
|
|
let pluginRect = plugin.getBoundingClientRect();
|
|
if (pluginRect.width <= 5 && pluginRect.height <= 5) {
|
|
Services.telemetry.getHistogramById("PLUGIN_TINY_CONTENT").add(1);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (this._getPluginInfo(plugin).mimetype === FLASH_MIME_TYPE) {
|
|
this._recordFlashPluginTelemetry(eventType, plugin);
|
|
}
|
|
|
|
// Show the in-content UI if it's not too big. The crashed plugin handler already did this.
|
|
let overlay = this.getPluginUI(plugin, "main");
|
|
if (eventType != "PluginCrashed") {
|
|
if (overlay != null) {
|
|
this.setVisibility(plugin, overlay,
|
|
this.shouldShowOverlay(plugin, overlay));
|
|
let resizeListener = () => {
|
|
this.setVisibility(plugin, overlay,
|
|
this.shouldShowOverlay(plugin, overlay));
|
|
this.updateNotificationUI();
|
|
};
|
|
plugin.addEventListener("overflow", resizeListener);
|
|
plugin.addEventListener("underflow", resizeListener);
|
|
}
|
|
}
|
|
|
|
let closeIcon = this.getPluginUI(plugin, "closeIcon");
|
|
if (closeIcon) {
|
|
closeIcon.addEventListener("click", clickEvent => {
|
|
if (clickEvent.button == 0 && clickEvent.isTrusted) {
|
|
this.hideClickToPlayOverlay(plugin);
|
|
overlay.setAttribute("dismissed", "true");
|
|
}
|
|
}, true);
|
|
}
|
|
|
|
if (shouldShowNotification) {
|
|
this._showClickToPlayNotification(plugin, false);
|
|
}
|
|
},
|
|
|
|
_recordFlashPluginTelemetry(eventType, plugin) {
|
|
if (!Services.telemetry.canRecordExtended) {
|
|
return;
|
|
}
|
|
|
|
if (!this.flashPluginStats) {
|
|
this.flashPluginStats = {
|
|
instancesCount: 0,
|
|
plugins: new WeakSet()
|
|
};
|
|
}
|
|
|
|
if (!this.flashPluginStats.plugins.has(plugin)) {
|
|
// Reporting plugin instance and its dimensions only once.
|
|
this.flashPluginStats.plugins.add(plugin);
|
|
|
|
this.flashPluginStats.instancesCount++;
|
|
|
|
let pluginRect = plugin.getBoundingClientRect();
|
|
Services.telemetry.getHistogramById("FLASH_PLUGIN_WIDTH")
|
|
.add(pluginRect.width);
|
|
Services.telemetry.getHistogramById("FLASH_PLUGIN_HEIGHT")
|
|
.add(pluginRect.height);
|
|
Services.telemetry.getHistogramById("FLASH_PLUGIN_AREA")
|
|
.add(pluginRect.width * pluginRect.height);
|
|
|
|
let state = this._getPluginInfo(plugin).fallbackType;
|
|
if (state === null) {
|
|
state = Ci.nsIObjectLoadingContent.PLUGIN_UNSUPPORTED;
|
|
}
|
|
Services.telemetry.getHistogramById("FLASH_PLUGIN_STATES")
|
|
.add(state);
|
|
}
|
|
},
|
|
|
|
_finishRecordingFlashPluginTelemetry() {
|
|
if (this.flashPluginStats) {
|
|
Services.telemetry.getHistogramById("FLASH_PLUGIN_INSTANCES_ON_PAGE")
|
|
.add(this.flashPluginStats.instancesCount);
|
|
delete this.flashPluginStats;
|
|
}
|
|
},
|
|
|
|
isKnownPlugin(objLoadingContent) {
|
|
return (objLoadingContent.getContentTypeForMIMEType(objLoadingContent.actualType) ==
|
|
Ci.nsIObjectLoadingContent.TYPE_PLUGIN);
|
|
},
|
|
|
|
canActivatePlugin(objLoadingContent) {
|
|
// if this isn't a known plugin, we can't activate it
|
|
// (this also guards pluginHost.getPermissionStringForType against
|
|
// unexpected input)
|
|
if (!this.isKnownPlugin(objLoadingContent))
|
|
return false;
|
|
|
|
let pluginHost = Cc["@mozilla.org/plugin/host;1"].getService(Ci.nsIPluginHost);
|
|
let permissionString = pluginHost.getPermissionStringForType(objLoadingContent.actualType);
|
|
let principal = objLoadingContent.ownerGlobal.top.document.nodePrincipal;
|
|
let pluginPermission = Services.perms.testPermissionFromPrincipal(principal, permissionString);
|
|
|
|
let isFallbackTypeValid =
|
|
objLoadingContent.pluginFallbackType >= Ci.nsIObjectLoadingContent.PLUGIN_CLICK_TO_PLAY &&
|
|
objLoadingContent.pluginFallbackType <= Ci.nsIObjectLoadingContent.PLUGIN_VULNERABLE_NO_UPDATE;
|
|
|
|
return !objLoadingContent.activated &&
|
|
pluginPermission != Ci.nsIPermissionManager.DENY_ACTION &&
|
|
isFallbackTypeValid;
|
|
},
|
|
|
|
hideClickToPlayOverlay(plugin) {
|
|
let overlay = this.getPluginUI(plugin, "main");
|
|
if (overlay) {
|
|
overlay.classList.remove("visible");
|
|
}
|
|
},
|
|
|
|
// Forward a link click callback to the chrome process.
|
|
forwardCallback(name, pluginTag) {
|
|
this.global.sendAsyncMessage("PluginContent:LinkClickCallback",
|
|
{ name, pluginTag });
|
|
},
|
|
|
|
submitReport: function submitReport(plugin) {
|
|
if (!AppConstants.MOZ_CRASHREPORTER) {
|
|
return;
|
|
}
|
|
if (!plugin) {
|
|
Cu.reportError("Attempted to submit crash report without an associated plugin.");
|
|
return;
|
|
}
|
|
if (!(plugin instanceof Ci.nsIObjectLoadingContent)) {
|
|
Cu.reportError("Attempted to submit crash report on plugin that does not" +
|
|
"implement nsIObjectLoadingContent.");
|
|
return;
|
|
}
|
|
|
|
let runID = plugin.runID;
|
|
let submitURLOptIn = this.getPluginUI(plugin, "submitURLOptIn").checked;
|
|
let keyVals = {};
|
|
let userComment = this.getPluginUI(plugin, "submitComment").value.trim();
|
|
if (userComment)
|
|
keyVals.PluginUserComment = userComment;
|
|
if (submitURLOptIn)
|
|
keyVals.PluginContentURL = plugin.ownerDocument.URL;
|
|
|
|
this.global.sendAsyncMessage("PluginContent:SubmitReport",
|
|
{ runID, keyVals, submitURLOptIn });
|
|
},
|
|
|
|
reloadPage() {
|
|
this.global.content.location.reload();
|
|
},
|
|
|
|
// Event listener for click-to-play plugins.
|
|
_handleClickToPlayEvent(plugin) {
|
|
let doc = plugin.ownerDocument;
|
|
let pluginHost = Cc["@mozilla.org/plugin/host;1"].getService(Ci.nsIPluginHost);
|
|
let permissionString;
|
|
if (plugin instanceof Ci.nsIDOMHTMLAnchorElement) {
|
|
// We only have replacement content for Flash installs
|
|
permissionString = pluginHost.getPermissionStringForType(FLASH_MIME_TYPE);
|
|
} else {
|
|
let objLoadingContent = plugin.QueryInterface(Ci.nsIObjectLoadingContent);
|
|
// guard against giving pluginHost.getPermissionStringForType a type
|
|
// not associated with any known plugin
|
|
if (!this.isKnownPlugin(objLoadingContent))
|
|
return;
|
|
permissionString = pluginHost.getPermissionStringForType(objLoadingContent.actualType);
|
|
}
|
|
|
|
let principal = doc.defaultView.top.document.nodePrincipal;
|
|
let pluginPermission = Services.perms.testPermissionFromPrincipal(principal, permissionString);
|
|
|
|
let overlay = this.getPluginUI(plugin, "main");
|
|
|
|
if (pluginPermission == Ci.nsIPermissionManager.DENY_ACTION) {
|
|
if (overlay) {
|
|
overlay.classList.remove("visible");
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (overlay) {
|
|
overlay.addEventListener("click", this, true);
|
|
}
|
|
},
|
|
|
|
onOverlayClick(event) {
|
|
let document = event.target.ownerDocument;
|
|
let plugin = document.getBindingParent(event.target);
|
|
let contentWindow = plugin.ownerGlobal.top;
|
|
let overlay = this.getPluginUI(plugin, "main");
|
|
// Have to check that the target is not the link to update the plugin
|
|
if (!(event.originalTarget instanceof contentWindow.HTMLAnchorElement) &&
|
|
(event.originalTarget.getAttribute("anonid") != "closeIcon") &&
|
|
!overlay.hasAttribute("dismissed") &&
|
|
event.button == 0 &&
|
|
event.isTrusted) {
|
|
this._showClickToPlayNotification(plugin, true);
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
}
|
|
},
|
|
|
|
reshowClickToPlayNotification() {
|
|
let contentWindow = this.global.content;
|
|
let cwu = contentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils);
|
|
let plugins = cwu.plugins;
|
|
for (let plugin of plugins) {
|
|
let overlay = this.getPluginUI(plugin, "main");
|
|
if (overlay)
|
|
overlay.removeEventListener("click", this, true);
|
|
let objLoadingContent = plugin.QueryInterface(Ci.nsIObjectLoadingContent);
|
|
if (this.canActivatePlugin(objLoadingContent))
|
|
this._handleClickToPlayEvent(plugin);
|
|
}
|
|
this._showClickToPlayNotification(null, false);
|
|
},
|
|
|
|
/**
|
|
* Activate the plugins that the user has specified.
|
|
*/
|
|
activatePlugins(pluginInfo, newState) {
|
|
let contentWindow = this.global.content;
|
|
let cwu = contentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils);
|
|
let plugins = cwu.plugins;
|
|
let pluginHost = Cc["@mozilla.org/plugin/host;1"].getService(Ci.nsIPluginHost);
|
|
|
|
let pluginFound = false;
|
|
let placeHolderFound = false;
|
|
for (let plugin of plugins) {
|
|
plugin.QueryInterface(Ci.nsIObjectLoadingContent);
|
|
if (!this.isKnownPlugin(plugin)) {
|
|
continue;
|
|
}
|
|
if (pluginInfo.permissionString == pluginHost.getPermissionStringForType(plugin.actualType)) {
|
|
let overlay = this.getPluginUI(plugin, "main");
|
|
if (plugin instanceof Ci.nsIDOMHTMLAnchorElement) {
|
|
placeHolderFound = true;
|
|
} else {
|
|
pluginFound = true;
|
|
}
|
|
if (newState == "block") {
|
|
if (overlay) {
|
|
overlay.addEventListener("click", this, true);
|
|
}
|
|
plugin.reload(true);
|
|
} else if (this.canActivatePlugin(plugin)) {
|
|
if (overlay) {
|
|
overlay.removeEventListener("click", this, true);
|
|
}
|
|
plugin.playPlugin();
|
|
}
|
|
}
|
|
}
|
|
|
|
// If there are no instances of the plugin on the page any more, what the
|
|
// user probably needs is for us to allow and then refresh. Additionally, if
|
|
// this is content that requires HLS or we replaced the placeholder the page
|
|
// needs to be refreshed for it to insert its plugins
|
|
if (newState != "block" &&
|
|
(!pluginFound || placeHolderFound || contentWindow.pluginRequiresReload)) {
|
|
this.reloadPage();
|
|
}
|
|
this.updateNotificationUI();
|
|
},
|
|
|
|
_showClickToPlayNotification(plugin, showNow) {
|
|
let plugins = [];
|
|
|
|
// If plugin is null, that means the user has navigated back to a page with
|
|
// plugins, and we need to collect all the plugins.
|
|
if (plugin === null) {
|
|
let contentWindow = this.content;
|
|
let cwu = contentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils);
|
|
// cwu.plugins may contain non-plugin <object>s, filter them out
|
|
plugins = cwu.plugins.filter((p) =>
|
|
p.getContentTypeForMIMEType(p.actualType) == Ci.nsIObjectLoadingContent.TYPE_PLUGIN);
|
|
|
|
if (plugins.length == 0) {
|
|
this.removeNotification("click-to-play-plugins");
|
|
return;
|
|
}
|
|
} else {
|
|
plugins = [plugin];
|
|
}
|
|
|
|
let pluginData = this.pluginData;
|
|
|
|
let principal = this.content.document.nodePrincipal;
|
|
let location = this.content.document.location.href;
|
|
|
|
for (let p of plugins) {
|
|
let pluginInfo;
|
|
if (p instanceof Ci.nsIPluginTag) {
|
|
let mimeType = p.getMimeTypes() > 0 ? p.getMimeTypes()[0] : null;
|
|
pluginInfo = this._getPluginInfoForTag(p, mimeType);
|
|
} else {
|
|
pluginInfo = this._getPluginInfo(p);
|
|
}
|
|
if (pluginInfo.permissionString === null) {
|
|
Cu.reportError("No permission string for active plugin.");
|
|
continue;
|
|
}
|
|
if (pluginData.has(pluginInfo.permissionString)) {
|
|
continue;
|
|
}
|
|
|
|
let permissionObj = Services.perms.
|
|
getPermissionObject(principal, pluginInfo.permissionString, false);
|
|
if (permissionObj) {
|
|
pluginInfo.pluginPermissionPrePath = permissionObj.principal.originNoSuffix;
|
|
pluginInfo.pluginPermissionType = permissionObj.expireType;
|
|
} else {
|
|
pluginInfo.pluginPermissionPrePath = principal.originNoSuffix;
|
|
pluginInfo.pluginPermissionType = undefined;
|
|
}
|
|
|
|
this.pluginData.set(pluginInfo.permissionString, pluginInfo);
|
|
}
|
|
|
|
this.haveShownNotification = true;
|
|
|
|
this.global.sendAsyncMessage("PluginContent:ShowClickToPlayNotification", {
|
|
plugins: [...this.pluginData.values()],
|
|
showNow,
|
|
location,
|
|
}, null, principal);
|
|
},
|
|
|
|
/**
|
|
* Updates the "hidden plugin" notification bar UI.
|
|
*
|
|
* @param document (optional)
|
|
* Specify the document that is causing the update.
|
|
* This is useful when the document is possibly no longer
|
|
* the current loaded document (for example, if we're
|
|
* responding to a PluginRemoved event for an unloading
|
|
* document). If this parameter is omitted, it defaults
|
|
* to the current top-level document.
|
|
*/
|
|
updateNotificationUI(document) {
|
|
document = document || this.content.document;
|
|
|
|
// We're only interested in the top-level document, since that's
|
|
// the one that provides the Principal that we send back to the
|
|
// parent.
|
|
let principal = document.defaultView.top.document.nodePrincipal;
|
|
let location = document.location.href;
|
|
|
|
// Make a copy of the actions from the last popup notification.
|
|
let haveInsecure = false;
|
|
let actions = new Map();
|
|
for (let action of this.pluginData.values()) {
|
|
switch (action.fallbackType) {
|
|
// haveInsecure will trigger the red flashing icon and the infobar
|
|
// styling below
|
|
case Ci.nsIObjectLoadingContent.PLUGIN_VULNERABLE_UPDATABLE:
|
|
case Ci.nsIObjectLoadingContent.PLUGIN_VULNERABLE_NO_UPDATE:
|
|
haveInsecure = true;
|
|
// fall through
|
|
|
|
case Ci.nsIObjectLoadingContent.PLUGIN_CLICK_TO_PLAY:
|
|
actions.set(action.permissionString, action);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Remove plugins that are already active, or large enough to show an overlay.
|
|
let cwu = this.content.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils);
|
|
for (let plugin of cwu.plugins) {
|
|
let info = this._getPluginInfo(plugin);
|
|
if (!actions.has(info.permissionString)) {
|
|
continue;
|
|
}
|
|
let fallbackType = info.fallbackType;
|
|
if (fallbackType == Ci.nsIObjectLoadingContent.PLUGIN_ACTIVE) {
|
|
actions.delete(info.permissionString);
|
|
if (actions.size == 0) {
|
|
break;
|
|
}
|
|
continue;
|
|
}
|
|
if (fallbackType != Ci.nsIObjectLoadingContent.PLUGIN_CLICK_TO_PLAY &&
|
|
fallbackType != Ci.nsIObjectLoadingContent.PLUGIN_VULNERABLE_UPDATABLE &&
|
|
fallbackType != Ci.nsIObjectLoadingContent.PLUGIN_VULNERABLE_NO_UPDATE) {
|
|
continue;
|
|
}
|
|
let overlay = this.getPluginUI(plugin, "main");
|
|
if (!overlay) {
|
|
continue;
|
|
}
|
|
let shouldShow = this.shouldShowOverlay(plugin, overlay);
|
|
this.setVisibility(plugin, overlay, shouldShow);
|
|
if (shouldShow) {
|
|
actions.delete(info.permissionString);
|
|
if (actions.size == 0) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// If there are any items remaining in `actions` now, they are hidden
|
|
// plugins that need a notification bar.
|
|
this.global.sendAsyncMessage("PluginContent:UpdateHiddenPluginUI", {
|
|
haveInsecure,
|
|
actions: [...actions.values()],
|
|
location,
|
|
}, null, principal);
|
|
},
|
|
|
|
removeNotification(name) {
|
|
this.global.sendAsyncMessage("PluginContent:RemoveNotification", { name });
|
|
},
|
|
|
|
clearPluginCaches() {
|
|
this.pluginData.clear();
|
|
this.pluginCrashData.clear();
|
|
},
|
|
|
|
hideNotificationBar(name) {
|
|
this.global.sendAsyncMessage("PluginContent:HideNotificationBar", { name });
|
|
},
|
|
|
|
/**
|
|
* Determines whether or not the crashed plugin is contained within current
|
|
* full screen DOM element.
|
|
* @param fullScreenElement (DOM element)
|
|
* The DOM element that is currently full screen, or null.
|
|
* @param domElement
|
|
* The DOM element which contains the crashed plugin, or the crashed plugin
|
|
* itself.
|
|
* @returns bool
|
|
* True if the plugin is a descendant of the full screen DOM element, false otherwise.
|
|
**/
|
|
isWithinFullScreenElement(fullScreenElement, domElement) {
|
|
|
|
/**
|
|
* Traverses down iframes until it find a non-iframe full screen DOM element.
|
|
* @param fullScreenIframe
|
|
* Target iframe to begin searching from.
|
|
* @returns DOM element
|
|
* The full screen DOM element contained within the iframe (could be inner iframe), or the original iframe if no inner DOM element is found.
|
|
**/
|
|
let getTrueFullScreenElement = fullScreenIframe => {
|
|
if (typeof fullScreenIframe.contentDocument !== "undefined" && fullScreenIframe.contentDocument.mozFullScreenElement) {
|
|
return getTrueFullScreenElement(fullScreenIframe.contentDocument.mozFullScreenElement);
|
|
}
|
|
return fullScreenIframe;
|
|
}
|
|
|
|
if (fullScreenElement.tagName === "IFRAME") {
|
|
fullScreenElement = getTrueFullScreenElement(fullScreenElement);
|
|
}
|
|
|
|
if (fullScreenElement.contains(domElement)) {
|
|
return true;
|
|
}
|
|
let parentIframe = domElement.ownerGlobal.frameElement;
|
|
if (parentIframe) {
|
|
return this.isWithinFullScreenElement(fullScreenElement, parentIframe);
|
|
}
|
|
return false;
|
|
},
|
|
|
|
/**
|
|
* The PluginCrashed event handler. Note that the PluginCrashed event is
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* fired for both NPAPI and Gecko Media plugins. In the latter case, the
|
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* target of the event is the document that the GMP is being used in.
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*/
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onPluginCrashed(target, aEvent) {
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if (!(aEvent instanceof this.content.PluginCrashedEvent))
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return;
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|
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let fullScreenElement = this.content.document.mozFullScreenElement;
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|
if (fullScreenElement) {
|
|
if (this.isWithinFullScreenElement(fullScreenElement, target)) {
|
|
this.content.document.mozCancelFullScreen();
|
|
}
|
|
}
|
|
|
|
if (aEvent.gmpPlugin) {
|
|
this.GMPCrashed(aEvent);
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|
return;
|
|
}
|
|
|
|
if (!(target instanceof Ci.nsIObjectLoadingContent))
|
|
return;
|
|
|
|
let crashData = this.pluginCrashData.get(target.runID);
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|
if (!crashData) {
|
|
// We haven't received information from the parent yet about
|
|
// this crash, so we should hold off showing the crash report
|
|
// UI.
|
|
return;
|
|
}
|
|
|
|
crashData.instances.delete(target);
|
|
if (crashData.instances.length == 0) {
|
|
this.pluginCrashData.delete(target.runID);
|
|
}
|
|
|
|
this.setCrashedNPAPIPluginState({
|
|
plugin: target,
|
|
state: crashData.state,
|
|
message: crashData.message,
|
|
});
|
|
},
|
|
|
|
NPAPIPluginProcessCrashed({pluginName, runID, state}) {
|
|
let message =
|
|
gNavigatorBundle.formatStringFromName("crashedpluginsMessage.title",
|
|
[pluginName], 1);
|
|
|
|
let contentWindow = this.global.content;
|
|
let cwu = contentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils);
|
|
let plugins = cwu.plugins;
|
|
|
|
for (let plugin of plugins) {
|
|
if (plugin instanceof Ci.nsIObjectLoadingContent &&
|
|
plugin.runID == runID) {
|
|
// The parent has told us that the plugin process has died.
|
|
// It's possible that this content process hasn't yet noticed,
|
|
// in which case we need to stash this data around until the
|
|
// PluginCrashed events get sent up.
|
|
if (plugin.pluginFallbackType == Ci.nsIObjectLoadingContent.PLUGIN_CRASHED) {
|
|
// This plugin has already been put into the crashed state by the
|
|
// content process, so we can tweak its crash UI without delay.
|
|
this.setCrashedNPAPIPluginState({plugin, state, message});
|
|
} else {
|
|
// The content process hasn't yet determined that the plugin has crashed.
|
|
// Stash the data in our map, and throw the plugin into a WeakSet. When
|
|
// the PluginCrashed event fires on the <object>/<embed>, we'll retrieve
|
|
// the information we need from the Map and remove the instance from the
|
|
// WeakSet. Once the WeakSet is empty, we can clear the map.
|
|
if (!this.pluginCrashData.has(runID)) {
|
|
this.pluginCrashData.set(runID, {
|
|
state,
|
|
message,
|
|
instances: new WeakSet(),
|
|
});
|
|
}
|
|
let crashData = this.pluginCrashData.get(runID);
|
|
crashData.instances.add(plugin);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
setCrashedNPAPIPluginState({plugin, state, message}) {
|
|
// Force a layout flush so the binding is attached.
|
|
plugin.clientTop;
|
|
let overlay = this.getPluginUI(plugin, "main");
|
|
let statusDiv = this.getPluginUI(plugin, "submitStatus");
|
|
let optInCB = this.getPluginUI(plugin, "submitURLOptIn");
|
|
|
|
this.getPluginUI(plugin, "submitButton")
|
|
.addEventListener("click", (event) => {
|
|
if (event.button != 0 || !event.isTrusted)
|
|
return;
|
|
this.submitReport(plugin);
|
|
});
|
|
|
|
let pref = Services.prefs.getBranch("dom.ipc.plugins.reportCrashURL");
|
|
optInCB.checked = pref.getBoolPref("");
|
|
|
|
statusDiv.setAttribute("status", state);
|
|
|
|
let helpIcon = this.getPluginUI(plugin, "helpIcon");
|
|
this.addLinkClickCallback(helpIcon, "openHelpPage");
|
|
|
|
let crashText = this.getPluginUI(plugin, "crashedText");
|
|
crashText.textContent = message;
|
|
|
|
let link = this.getPluginUI(plugin, "reloadLink");
|
|
this.addLinkClickCallback(link, "reloadPage");
|
|
|
|
let isShowing = this.shouldShowOverlay(plugin, overlay);
|
|
|
|
// Is the <object>'s size too small to hold what we want to show?
|
|
if (!isShowing) {
|
|
// First try hiding the crash report submission UI.
|
|
statusDiv.removeAttribute("status");
|
|
|
|
isShowing = this.shouldShowOverlay(plugin, overlay);
|
|
}
|
|
this.setVisibility(plugin, overlay, isShowing);
|
|
|
|
let doc = plugin.ownerDocument;
|
|
let runID = plugin.runID;
|
|
|
|
if (isShowing) {
|
|
// If a previous plugin on the page was too small and resulted in adding a
|
|
// notification bar, then remove it because this plugin instance it big
|
|
// enough to serve as in-content notification.
|
|
this.hideNotificationBar("plugin-crashed");
|
|
doc.mozNoPluginCrashedNotification = true;
|
|
|
|
// Notify others that the crash reporter UI is now ready.
|
|
// Currently, this event is only used by tests.
|
|
let winUtils = this.content.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils);
|
|
let event = new this.content.CustomEvent("PluginCrashReporterDisplayed", {bubbles: true});
|
|
winUtils.dispatchEventToChromeOnly(plugin, event);
|
|
} else if (!doc.mozNoPluginCrashedNotification) {
|
|
// If another plugin on the page was large enough to show our UI, we don't
|
|
// want to show a notification bar.
|
|
this.global.sendAsyncMessage("PluginContent:ShowPluginCrashedNotification",
|
|
{ messageString: message, pluginID: runID });
|
|
// Remove the notification when the page is reloaded.
|
|
doc.defaultView.top.addEventListener("unload", event => {
|
|
this.hideNotificationBar("plugin-crashed");
|
|
});
|
|
}
|
|
},
|
|
|
|
NPAPIPluginCrashReportSubmitted({ runID, state }) {
|
|
this.pluginCrashData.delete(runID);
|
|
let contentWindow = this.global.content;
|
|
let cwu = contentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils);
|
|
let plugins = cwu.plugins;
|
|
|
|
for (let plugin of plugins) {
|
|
if (plugin instanceof Ci.nsIObjectLoadingContent &&
|
|
plugin.runID == runID) {
|
|
let statusDiv = this.getPluginUI(plugin, "submitStatus");
|
|
statusDiv.setAttribute("status", state);
|
|
}
|
|
}
|
|
},
|
|
|
|
GMPCrashed(aEvent) {
|
|
let target = aEvent.target;
|
|
let pluginName = aEvent.pluginName;
|
|
let gmpPlugin = aEvent.gmpPlugin;
|
|
let pluginID = aEvent.pluginID;
|
|
let doc = target.document;
|
|
|
|
if (!gmpPlugin || !doc) {
|
|
// TODO: Throw exception? How did we get here?
|
|
return;
|
|
}
|
|
|
|
let messageString =
|
|
gNavigatorBundle.formatStringFromName("crashedpluginsMessage.title",
|
|
[pluginName], 1);
|
|
|
|
this.global.sendAsyncMessage("PluginContent:ShowPluginCrashedNotification",
|
|
{ messageString, pluginID });
|
|
|
|
// Remove the notification when the page is reloaded.
|
|
doc.defaultView.top.addEventListener("unload", event => {
|
|
this.hideNotificationBar("plugin-crashed");
|
|
});
|
|
},
|
|
};
|