forked from mirrors/gecko-dev
1132 lines
35 KiB
JavaScript
1132 lines
35 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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import { AppConstants } from "resource://gre/modules/AppConstants.sys.mjs";
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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BrowserWindowTracker: "resource:///modules/BrowserWindowTracker.sys.mjs",
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CrashSubmit: "resource://gre/modules/CrashSubmit.sys.mjs",
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E10SUtils: "resource://gre/modules/E10SUtils.sys.mjs",
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SessionStore: "resource:///modules/sessionstore/SessionStore.sys.mjs",
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clearTimeout: "resource://gre/modules/Timer.sys.mjs",
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setTimeout: "resource://gre/modules/Timer.sys.mjs",
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});
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// We don't process crash reports older than 28 days, so don't bother
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// submitting them
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const PENDING_CRASH_REPORT_DAYS = 28;
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const DAY = 24 * 60 * 60 * 1000; // milliseconds
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const DAYS_TO_SUPPRESS = 30;
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const MAX_UNSEEN_CRASHED_CHILD_IDS = 20;
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const MAX_UNSEEN_CRASHED_SUBFRAME_IDS = 10;
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// Time after which we will begin scanning for unsubmitted crash reports
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const CHECK_FOR_UNSUBMITTED_CRASH_REPORTS_DELAY_MS = 60 * 10000; // 10 minutes
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// This is SIGUSR1 and indicates a user-invoked crash
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const EXIT_CODE_CONTENT_CRASHED = 245;
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const TABCRASHED_ICON_URI = "chrome://browser/skin/tab-crashed.svg";
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const SUBFRAMECRASH_LEARNMORE_URI =
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"https://support.mozilla.org/kb/firefox-crashes-troubleshoot-prevent-and-get-help";
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/**
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* BrowserWeakMap is exactly like a WeakMap, but expects <xul:browser>
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* objects only.
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*
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* Under the hood, BrowserWeakMap keys the map off of the <xul:browser>
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* permanentKey. If, however, the browser has never gotten a permanentKey,
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* it falls back to keying on the <xul:browser> element itself.
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*/
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class BrowserWeakMap extends WeakMap {
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get(browser) {
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if (browser.permanentKey) {
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return super.get(browser.permanentKey);
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}
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return super.get(browser);
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}
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set(browser, value) {
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if (browser.permanentKey) {
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return super.set(browser.permanentKey, value);
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}
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return super.set(browser, value);
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}
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delete(browser) {
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if (browser.permanentKey) {
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return super.delete(browser.permanentKey);
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}
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return super.delete(browser);
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}
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}
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export var TabCrashHandler = {
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_crashedTabCount: 0,
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childMap: new Map(),
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browserMap: new BrowserWeakMap(),
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notificationsMap: new Map(),
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unseenCrashedChildIDs: [],
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pendingSubFrameCrashes: new Map(),
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pendingSubFrameCrashesIDs: [],
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crashedBrowserQueues: new Map(),
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restartRequiredBrowsers: new WeakSet(),
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testBuildIDMismatch: false,
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get prefs() {
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delete this.prefs;
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return (this.prefs = Services.prefs.getBranch(
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"browser.tabs.crashReporting."
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));
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},
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init() {
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if (this.initialized) {
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return;
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}
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this.initialized = true;
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Services.obs.addObserver(this, "ipc:content-shutdown");
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Services.obs.addObserver(this, "oop-frameloader-crashed");
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},
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observe(aSubject, aTopic, aData) {
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switch (aTopic) {
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case "ipc:content-shutdown": {
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aSubject.QueryInterface(Ci.nsIPropertyBag2);
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if (!aSubject.get("abnormal")) {
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return;
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}
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let childID = aSubject.get("childID");
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let dumpID = aSubject.get("dumpID");
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// Get and remove the subframe crash info first.
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let subframeCrashItem = this.getAndRemoveSubframeCrash(childID);
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if (!dumpID) {
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Services.telemetry
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.getHistogramById("FX_CONTENT_CRASH_DUMP_UNAVAILABLE")
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.add(1);
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} else if (AppConstants.MOZ_CRASHREPORTER) {
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this.childMap.set(childID, dumpID);
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// If this is a subframe crash, show the crash notification. Only
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// show subframe notifications when there is a minidump available.
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if (subframeCrashItem) {
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let browsers =
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ChromeUtils.nondeterministicGetWeakMapKeys(subframeCrashItem) ||
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[];
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for (let browserItem of browsers) {
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let browser = subframeCrashItem.get(browserItem);
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if (browser.isConnected && !browser.ownerGlobal.closed) {
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this.showSubFrameNotification(browser, childID, dumpID);
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}
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}
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}
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}
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if (!this.flushCrashedBrowserQueue(childID)) {
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this.unseenCrashedChildIDs.push(childID);
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// The elements in unseenCrashedChildIDs will only be removed if
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// the tab crash page is shown. However, ipc:content-shutdown might
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// be fired for processes for which we'll never show the tab crash
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// page - for example, the thumbnailing process. Another case to
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// consider is if the user is configured to submit backlogged crash
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// reports automatically, and a background tab crashes. In that case,
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// we will never show the tab crash page, and never remove the element
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// from the list.
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//
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// Instead of trying to account for all of those cases, we prevent
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// this list from getting too large by putting a reasonable upper
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// limit on how many childIDs we track. It's unlikely that this
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// array would ever get so large as to be unwieldy (that'd be a lot
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// or crashes!), but a leak is a leak.
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if (
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this.unseenCrashedChildIDs.length > MAX_UNSEEN_CRASHED_CHILD_IDS
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) {
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this.unseenCrashedChildIDs.shift();
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}
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}
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// check for environment affecting crash reporting
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let shutdown = Services.env.exists("MOZ_CRASHREPORTER_SHUTDOWN");
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if (shutdown) {
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dump(
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"A content process crashed and MOZ_CRASHREPORTER_SHUTDOWN is " +
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"set, shutting down\n"
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);
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Services.startup.quit(
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Ci.nsIAppStartup.eForceQuit,
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EXIT_CODE_CONTENT_CRASHED
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);
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}
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break;
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}
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case "oop-frameloader-crashed": {
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let browser = aSubject.ownerElement;
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if (!browser) {
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return;
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}
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this.browserMap.set(browser, aSubject.childID);
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break;
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}
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}
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},
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/**
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* This should be called once a content process has finished
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* shutting down abnormally. Any tabbrowser browsers that were
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* selected at the time of the crash will then be sent to
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* the crashed tab page.
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*
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* @param childID (int)
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* The childID of the content process that just crashed.
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* @returns boolean
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* True if one or more browsers were sent to the tab crashed
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* page.
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*/
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flushCrashedBrowserQueue(childID) {
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let browserQueue = this.crashedBrowserQueues.get(childID);
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if (!browserQueue) {
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return false;
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}
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this.crashedBrowserQueues.delete(childID);
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let sentBrowser = false;
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for (let weakBrowser of browserQueue) {
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let browser = weakBrowser.get();
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if (browser) {
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if (
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this.restartRequiredBrowsers.has(browser) ||
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this.testBuildIDMismatch
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) {
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this.sendToRestartRequiredPage(browser);
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} else {
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this.sendToTabCrashedPage(browser);
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}
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sentBrowser = true;
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}
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}
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return sentBrowser;
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},
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/**
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* Called by a tabbrowser when it notices that its selected browser
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* has crashed. This will queue the browser to show the tab crash
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* page once the content process has finished tearing down.
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*
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* @param browser (<xul:browser>)
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* The selected browser that just crashed.
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* @param restartRequired (bool)
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* Whether or not a browser restart is required to recover.
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*/
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onSelectedBrowserCrash(browser, restartRequired) {
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if (!browser.isRemoteBrowser) {
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console.error("Selected crashed browser is not remote.");
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return;
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}
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if (!browser.frameLoader) {
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console.error("Selected crashed browser has no frameloader.");
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return;
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}
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let childID = browser.frameLoader.childID;
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let browserQueue = this.crashedBrowserQueues.get(childID);
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if (!browserQueue) {
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browserQueue = [];
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this.crashedBrowserQueues.set(childID, browserQueue);
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}
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// It's probably unnecessary to store this browser as a
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// weak reference, since the content process should complete
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// its teardown in the same tick of the event loop, and then
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// this queue will be flushed. The weak reference is to avoid
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// leaking browsers in case anything goes wrong during this
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// teardown process.
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browserQueue.push(Cu.getWeakReference(browser));
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if (restartRequired) {
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this.restartRequiredBrowsers.add(browser);
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}
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// In the event that the content process failed to launch, then
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// the childID will be 0. In that case, we will never receive
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// a dumpID nor an ipc:content-shutdown observer notification,
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// so we should flush the queue for childID 0 immediately.
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if (childID == 0) {
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this.flushCrashedBrowserQueue(0);
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}
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},
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/**
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* Called by a tabbrowser when it notices that a background browser
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* has crashed. This will flip its remoteness to non-remote, and attempt
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* to revive the crashed tab so that upon selection the tab either shows
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* an error page, or automatically restores.
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*
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* @param browser (<xul:browser>)
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* The background browser that just crashed.
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* @param restartRequired (bool)
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* Whether or not a browser restart is required to recover.
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*/
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onBackgroundBrowserCrash(browser, restartRequired) {
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if (restartRequired) {
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this.restartRequiredBrowsers.add(browser);
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}
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let gBrowser = browser.getTabBrowser();
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let tab = gBrowser.getTabForBrowser(browser);
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gBrowser.updateBrowserRemoteness(browser, {
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remoteType: lazy.E10SUtils.NOT_REMOTE,
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});
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lazy.SessionStore.reviveCrashedTab(tab);
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},
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/**
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* Called when a subframe crashes. If the dump is available, shows a subframe
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* crashed notification, otherwise waits for one to be available.
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*
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* @param browser (<xul:browser>)
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* The browser containing the frame that just crashed.
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* @param childId
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* The id of the process that just crashed.
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*/
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async onSubFrameCrash(browser, childID) {
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if (!AppConstants.MOZ_CRASHREPORTER) {
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return;
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}
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// If a crash dump is available, use it. Otherwise, add the child id to the pending
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// subframe crashes list, and wait for the crash "ipc:content-shutdown" notification
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// to get the minidump. If it never arrives, don't show the notification.
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let dumpID = this.childMap.get(childID);
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if (dumpID) {
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this.showSubFrameNotification(browser, childID, dumpID);
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} else {
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let item = this.pendingSubFrameCrashes.get(childID);
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if (!item) {
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item = new BrowserWeakMap();
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this.pendingSubFrameCrashes.set(childID, item);
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// Add the childID to an array that only has room for MAX_UNSEEN_CRASHED_SUBFRAME_IDS
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// items. If there is no more room, pop the oldest off and remove it. This technique
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// is used instead of a timeout.
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if (
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this.pendingSubFrameCrashesIDs.length >=
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MAX_UNSEEN_CRASHED_SUBFRAME_IDS
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) {
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let idToDelete = this.pendingSubFrameCrashesIDs.shift();
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this.pendingSubFrameCrashes.delete(idToDelete);
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}
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this.pendingSubFrameCrashesIDs.push(childID);
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}
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item.set(browser, browser);
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}
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},
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/**
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* Given a childID, retrieve the subframe crash info for it
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* from the pendingSubFrameCrashes map. The data is removed
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* from the map and returned.
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*
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* @param childID number
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* childID of the content that crashed.
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* @returns subframe crash info added by previous call to onSubFrameCrash.
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*/
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getAndRemoveSubframeCrash(childID) {
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let item = this.pendingSubFrameCrashes.get(childID);
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if (item) {
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this.pendingSubFrameCrashes.delete(childID);
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let idx = this.pendingSubFrameCrashesIDs.indexOf(childID);
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if (idx >= 0) {
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this.pendingSubFrameCrashesIDs.splice(idx, 1);
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}
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}
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return item;
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},
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/**
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* Called to indicate that a subframe within a browser has crashed. A notification
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* bar will be shown.
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*
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* @param browser (<xul:browser>)
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* The browser containing the frame that just crashed.
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* @param childId
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* The id of the process that just crashed.
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* @param dumpID
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* Minidump id of the crash.
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*/
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showSubFrameNotification(browser, childID, dumpID) {
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let gBrowser = browser.getTabBrowser();
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let notificationBox = gBrowser.getNotificationBox(browser);
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const value = "subframe-crashed";
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let notification = notificationBox.getNotificationWithValue(value);
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if (notification) {
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// Don't show multiple notifications for a browser.
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return;
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}
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let closeAllNotifications = () => {
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// Close all other notifications on other tabs that might
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// be open for the same crashed process.
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let existingItem = this.notificationsMap.get(childID);
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if (existingItem) {
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for (let notif of existingItem.slice()) {
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notif.close();
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}
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}
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};
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gBrowser.ownerGlobal.MozXULElement.insertFTLIfNeeded(
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"browser/contentCrash.ftl"
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);
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let buttons = [
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{
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"l10n-id": "crashed-subframe-learnmore-link",
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popup: null,
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link: SUBFRAMECRASH_LEARNMORE_URI,
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},
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{
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"l10n-id": "crashed-subframe-submit",
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popup: null,
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callback: async () => {
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if (dumpID) {
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UnsubmittedCrashHandler.submitReports(
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[dumpID],
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lazy.CrashSubmit.SUBMITTED_FROM_CRASH_TAB
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);
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}
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closeAllNotifications();
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},
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},
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];
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notification = notificationBox.appendNotification(
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value,
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{
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label: { "l10n-id": "crashed-subframe-message" },
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image: TABCRASHED_ICON_URI,
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priority: notificationBox.PRIORITY_INFO_MEDIUM,
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eventCallback: eventName => {
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if (eventName == "disconnected") {
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let existingItem = this.notificationsMap.get(childID);
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if (existingItem) {
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let idx = existingItem.indexOf(notification);
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if (idx >= 0) {
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existingItem.splice(idx, 1);
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}
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if (!existingItem.length) {
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this.notificationsMap.delete(childID);
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}
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}
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} else if (eventName == "dismissed") {
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if (dumpID) {
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lazy.CrashSubmit.ignore(dumpID);
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this.childMap.delete(childID);
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}
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closeAllNotifications();
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}
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},
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},
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buttons
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);
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let existingItem = this.notificationsMap.get(childID);
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if (existingItem) {
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existingItem.push(notification);
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} else {
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this.notificationsMap.set(childID, [notification]);
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}
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},
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/**
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* This method is exposed for SessionStore to call if the user selects
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* a tab which will restore on demand. It's possible that the tab
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* is in this state because it recently crashed. If that's the case, then
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* it's also possible that the user has not seen the tab crash page for
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* that particular crash, in which case, we might show it to them instead
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* of restoring the tab.
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*
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* @param browser (<xul:browser>)
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* A browser from a browser tab that the user has just selected
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* to restore on demand.
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* @returns (boolean)
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* True if TabCrashHandler will send the user to the tab crash
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* page instead.
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*/
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willShowCrashedTab(browser) {
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let childID = this.browserMap.get(browser);
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// We will only show the tab crash page if:
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// 1) We are aware that this browser crashed
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// 2) We know we've never shown the tab crash page for the
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// crash yet
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// 3) The user is not configured to automatically submit backlogged
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// crash reports. If they are, we'll send the crash report
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// immediately.
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if (childID && this.unseenCrashedChildIDs.includes(childID)) {
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if (UnsubmittedCrashHandler.autoSubmit) {
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let dumpID = this.childMap.get(childID);
|
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if (dumpID) {
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UnsubmittedCrashHandler.submitReports(
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[dumpID],
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lazy.CrashSubmit.SUBMITTED_FROM_AUTO
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);
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}
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} else {
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this.sendToTabCrashedPage(browser);
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return true;
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}
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} else if (childID === 0) {
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if (this.restartRequiredBrowsers.has(browser)) {
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this.sendToRestartRequiredPage(browser);
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} else {
|
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this.sendToTabCrashedPage(browser);
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}
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return true;
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}
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return false;
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},
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|
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sendToRestartRequiredPage(browser) {
|
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let uri = browser.currentURI;
|
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let gBrowser = browser.getTabBrowser();
|
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let tab = gBrowser.getTabForBrowser(browser);
|
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// The restart required page is non-remote by default.
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|
gBrowser.updateBrowserRemoteness(browser, {
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remoteType: lazy.E10SUtils.NOT_REMOTE,
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});
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|
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browser.docShell.displayLoadError(Cr.NS_ERROR_BUILDID_MISMATCH, uri, null);
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tab.setAttribute("crashed", true);
|
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gBrowser.tabContainer.updateTabIndicatorAttr(tab);
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|
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// Make sure to only count once even if there are multiple windows
|
|
// that will all show about:restartrequired.
|
|
if (this._crashedTabCount == 1) {
|
|
Services.telemetry.scalarAdd("dom.contentprocess.buildID_mismatch", 1);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* We show a special page to users when a normal browser tab has crashed.
|
|
* This method should be called to send a browser to that page once the
|
|
* process has completely closed.
|
|
*
|
|
* @param browser (<xul:browser>)
|
|
* The browser that has recently crashed.
|
|
*/
|
|
sendToTabCrashedPage(browser) {
|
|
let title = browser.contentTitle;
|
|
let uri = browser.currentURI;
|
|
let gBrowser = browser.getTabBrowser();
|
|
let tab = gBrowser.getTabForBrowser(browser);
|
|
// The tab crashed page is non-remote by default.
|
|
gBrowser.updateBrowserRemoteness(browser, {
|
|
remoteType: lazy.E10SUtils.NOT_REMOTE,
|
|
});
|
|
|
|
browser.setAttribute("crashedPageTitle", title);
|
|
browser.docShell.displayLoadError(Cr.NS_ERROR_CONTENT_CRASHED, uri, null);
|
|
browser.removeAttribute("crashedPageTitle");
|
|
tab.setAttribute("crashed", true);
|
|
gBrowser.tabContainer.updateTabIndicatorAttr(tab);
|
|
},
|
|
|
|
/**
|
|
* Submits a crash report from about:tabcrashed, if the crash
|
|
* reporter is enabled and a crash report can be found.
|
|
*
|
|
* @param browser
|
|
* The <xul:browser> that the report was sent from.
|
|
* @param message
|
|
* Message data with the following properties:
|
|
*
|
|
* includeURL (bool):
|
|
* Whether to include the URL that the user was on
|
|
* in the crashed tab before the crash occurred.
|
|
* URL (String)
|
|
* The URL that the user was on in the crashed tab
|
|
* before the crash occurred.
|
|
* comments (String):
|
|
* Any additional comments from the user.
|
|
*
|
|
* Note that it is expected that all properties are set,
|
|
* even if they are empty.
|
|
*/
|
|
maybeSendCrashReport(browser, message) {
|
|
if (!AppConstants.MOZ_CRASHREPORTER) {
|
|
return;
|
|
}
|
|
|
|
if (!message.data.hasReport) {
|
|
// There was no report, so nothing to do.
|
|
return;
|
|
}
|
|
|
|
if (message.data.autoSubmit) {
|
|
// The user has opted in to autosubmitted backlogged
|
|
// crash reports in the future.
|
|
UnsubmittedCrashHandler.autoSubmit = true;
|
|
}
|
|
|
|
let childID = this.browserMap.get(browser);
|
|
let dumpID = this.childMap.get(childID);
|
|
if (!dumpID) {
|
|
return;
|
|
}
|
|
|
|
if (!message.data.sendReport) {
|
|
Services.telemetry
|
|
.getHistogramById("FX_CONTENT_CRASH_NOT_SUBMITTED")
|
|
.add(1);
|
|
this.prefs.setBoolPref("sendReport", false);
|
|
return;
|
|
}
|
|
|
|
let { includeURL, comments, URL } = message.data;
|
|
|
|
let extraExtraKeyVals = {
|
|
Comments: comments,
|
|
URL,
|
|
};
|
|
|
|
// For the entries in extraExtraKeyVals, we only want to submit the
|
|
// extra data values where they are not the empty string.
|
|
for (let key in extraExtraKeyVals) {
|
|
let val = extraExtraKeyVals[key].trim();
|
|
if (!val) {
|
|
delete extraExtraKeyVals[key];
|
|
}
|
|
}
|
|
|
|
// URL is special, since it's already been written to extra data by
|
|
// default. In order to make sure we don't send it, we overwrite it
|
|
// with the empty string.
|
|
if (!includeURL) {
|
|
extraExtraKeyVals.URL = "";
|
|
}
|
|
|
|
lazy.CrashSubmit.submit(dumpID, lazy.CrashSubmit.SUBMITTED_FROM_CRASH_TAB, {
|
|
recordSubmission: true,
|
|
extraExtraKeyVals,
|
|
}).catch(console.error);
|
|
|
|
this.prefs.setBoolPref("sendReport", true);
|
|
this.prefs.setBoolPref("includeURL", includeURL);
|
|
|
|
this.childMap.set(childID, null); // Avoid resubmission.
|
|
this.removeSubmitCheckboxesForSameCrash(childID);
|
|
},
|
|
|
|
removeSubmitCheckboxesForSameCrash(childID) {
|
|
for (let window of Services.wm.getEnumerator("navigator:browser")) {
|
|
if (!window.gMultiProcessBrowser) {
|
|
continue;
|
|
}
|
|
|
|
for (let browser of window.gBrowser.browsers) {
|
|
if (browser.isRemoteBrowser) {
|
|
continue;
|
|
}
|
|
|
|
let doc = browser.contentDocument;
|
|
if (!doc.documentURI.startsWith("about:tabcrashed")) {
|
|
continue;
|
|
}
|
|
|
|
if (this.browserMap.get(browser) == childID) {
|
|
this.browserMap.delete(browser);
|
|
browser.sendMessageToActor("CrashReportSent", {}, "AboutTabCrashed");
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Process a crashed tab loaded into a browser.
|
|
*
|
|
* @param browser
|
|
* The <xul:browser> containing the page that crashed.
|
|
* @returns crash data
|
|
* Message data containing information about the crash.
|
|
*/
|
|
onAboutTabCrashedLoad(browser) {
|
|
this._crashedTabCount++;
|
|
|
|
let window = browser.ownerGlobal;
|
|
|
|
// Reset the zoom for the tabcrashed page.
|
|
window.ZoomManager.setZoomForBrowser(browser, 1);
|
|
|
|
let childID = this.browserMap.get(browser);
|
|
let index = this.unseenCrashedChildIDs.indexOf(childID);
|
|
if (index != -1) {
|
|
this.unseenCrashedChildIDs.splice(index, 1);
|
|
}
|
|
|
|
let dumpID = this.getDumpID(browser);
|
|
if (!dumpID) {
|
|
return {
|
|
hasReport: false,
|
|
};
|
|
}
|
|
|
|
let requestAutoSubmit = !UnsubmittedCrashHandler.autoSubmit;
|
|
let sendReport = this.prefs.getBoolPref("sendReport");
|
|
let includeURL = this.prefs.getBoolPref("includeURL");
|
|
|
|
let data = {
|
|
hasReport: true,
|
|
sendReport,
|
|
includeURL,
|
|
requestAutoSubmit,
|
|
};
|
|
|
|
return data;
|
|
},
|
|
|
|
onAboutTabCrashedUnload(browser) {
|
|
if (!this._crashedTabCount) {
|
|
console.error("Can not decrement crashed tab count to below 0");
|
|
return;
|
|
}
|
|
this._crashedTabCount--;
|
|
|
|
let childID = this.browserMap.get(browser);
|
|
|
|
// Make sure to only count once even if there are multiple windows
|
|
// that will all show about:tabcrashed.
|
|
if (this._crashedTabCount == 0 && childID) {
|
|
Services.telemetry
|
|
.getHistogramById("FX_CONTENT_CRASH_NOT_SUBMITTED")
|
|
.add(1);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* For some <xul:browser>, return a crash report dump ID for that browser
|
|
* if we have been informed of one. Otherwise, return null.
|
|
*
|
|
* @param browser (<xul:browser)
|
|
* The browser to try to get the dump ID for
|
|
* @returns dumpID (String)
|
|
*/
|
|
getDumpID(browser) {
|
|
if (!AppConstants.MOZ_CRASHREPORTER) {
|
|
return null;
|
|
}
|
|
|
|
return this.childMap.get(this.browserMap.get(browser));
|
|
},
|
|
|
|
/**
|
|
* This is intended for TESTING ONLY. It returns the amount of
|
|
* content processes that have crashed such that we're still waiting
|
|
* for dump IDs for their crash reports.
|
|
*
|
|
* For our automated tests, accessing the crashed content process
|
|
* count helps us test the behaviour when content processes crash due
|
|
* to launch failure, since in those cases we should not increase the
|
|
* crashed browser queue (since we never receive dump IDs for launch
|
|
* failures).
|
|
*/
|
|
get queuedCrashedBrowsers() {
|
|
return this.crashedBrowserQueues.size;
|
|
},
|
|
};
|
|
|
|
/**
|
|
* This component is responsible for scanning the pending
|
|
* crash report directory for reports, and (if enabled), to
|
|
* prompt the user to submit those reports. It might also
|
|
* submit those reports automatically without prompting if
|
|
* the user has opted in.
|
|
*/
|
|
export var UnsubmittedCrashHandler = {
|
|
get prefs() {
|
|
delete this.prefs;
|
|
return (this.prefs = Services.prefs.getBranch(
|
|
"browser.crashReports.unsubmittedCheck."
|
|
));
|
|
},
|
|
|
|
get enabled() {
|
|
return this.prefs.getBoolPref("enabled");
|
|
},
|
|
|
|
// showingNotification is set to true once a notification
|
|
// is successfully shown, and then set back to false if
|
|
// the notification is dismissed by an action by the user.
|
|
showingNotification: false,
|
|
// suppressed is true if we've determined that we've shown
|
|
// the notification too many times across too many days without
|
|
// user interaction, so we're suppressing the notification for
|
|
// some number of days. See the documentation for
|
|
// shouldShowPendingSubmissionsNotification().
|
|
suppressed: false,
|
|
|
|
_checkTimeout: null,
|
|
|
|
init() {
|
|
if (this.initialized) {
|
|
return;
|
|
}
|
|
|
|
this.initialized = true;
|
|
|
|
// UnsubmittedCrashHandler can be initialized but still be disabled.
|
|
// This is intentional, as this makes simulating UnsubmittedCrashHandler's
|
|
// reactions to browser startup and shutdown easier in test automation.
|
|
//
|
|
// UnsubmittedCrashHandler, when initialized but not enabled, is inert.
|
|
if (this.enabled) {
|
|
if (this.prefs.prefHasUserValue("suppressUntilDate")) {
|
|
if (this.prefs.getCharPref("suppressUntilDate") > this.dateString()) {
|
|
// We'll be suppressing any notifications until after suppressedDate,
|
|
// so there's no need to do anything more.
|
|
this.suppressed = true;
|
|
return;
|
|
}
|
|
|
|
// We're done suppressing, so we don't need this pref anymore.
|
|
this.prefs.clearUserPref("suppressUntilDate");
|
|
}
|
|
|
|
Services.obs.addObserver(this, "profile-before-change");
|
|
}
|
|
},
|
|
|
|
uninit() {
|
|
if (!this.initialized) {
|
|
return;
|
|
}
|
|
|
|
this.initialized = false;
|
|
|
|
if (this._checkTimeout) {
|
|
lazy.clearTimeout(this._checkTimeout);
|
|
this._checkTimeout = null;
|
|
}
|
|
|
|
if (!this.enabled) {
|
|
return;
|
|
}
|
|
|
|
if (this.suppressed) {
|
|
this.suppressed = false;
|
|
// No need to do any more clean-up, since we were suppressed.
|
|
return;
|
|
}
|
|
|
|
if (this.showingNotification) {
|
|
this.prefs.setBoolPref("shutdownWhileShowing", true);
|
|
this.showingNotification = false;
|
|
}
|
|
|
|
Services.obs.removeObserver(this, "profile-before-change");
|
|
},
|
|
|
|
observe(subject, topic, data) {
|
|
switch (topic) {
|
|
case "profile-before-change": {
|
|
this.uninit();
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
|
|
scheduleCheckForUnsubmittedCrashReports() {
|
|
this._checkTimeout = lazy.setTimeout(() => {
|
|
Services.tm.idleDispatchToMainThread(() => {
|
|
this.checkForUnsubmittedCrashReports();
|
|
});
|
|
}, CHECK_FOR_UNSUBMITTED_CRASH_REPORTS_DELAY_MS);
|
|
},
|
|
|
|
/**
|
|
* Scans the profile directory for unsubmitted crash reports
|
|
* within the past PENDING_CRASH_REPORT_DAYS days. If it
|
|
* finds any, it will, if necessary, attempt to open a notification
|
|
* bar to prompt the user to submit them.
|
|
*
|
|
* @returns Promise
|
|
* Resolves with the <xul:notification> after it tries to
|
|
* show a notification on the most recent browser window.
|
|
* If a notification cannot be shown, will resolve with null.
|
|
*/
|
|
async checkForUnsubmittedCrashReports() {
|
|
if (!this.enabled || this.suppressed) {
|
|
return null;
|
|
}
|
|
|
|
let dateLimit = new Date();
|
|
dateLimit.setDate(dateLimit.getDate() - PENDING_CRASH_REPORT_DAYS);
|
|
|
|
let reportIDs = [];
|
|
try {
|
|
reportIDs = await lazy.CrashSubmit.pendingIDs(dateLimit);
|
|
} catch (e) {
|
|
console.error(e);
|
|
return null;
|
|
}
|
|
|
|
if (reportIDs.length) {
|
|
if (this.autoSubmit) {
|
|
this.submitReports(reportIDs, lazy.CrashSubmit.SUBMITTED_FROM_AUTO);
|
|
} else if (this.shouldShowPendingSubmissionsNotification()) {
|
|
return this.showPendingSubmissionsNotification(reportIDs);
|
|
}
|
|
}
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Returns true if the notification should be shown.
|
|
* shouldShowPendingSubmissionsNotification makes this decision
|
|
* by looking at whether or not the user has seen the notification
|
|
* over several days without ever interacting with it. If this occurs
|
|
* too many times, we suppress the notification for DAYS_TO_SUPPRESS
|
|
* days.
|
|
*
|
|
* @returns bool
|
|
*/
|
|
shouldShowPendingSubmissionsNotification() {
|
|
if (!this.prefs.prefHasUserValue("shutdownWhileShowing")) {
|
|
return true;
|
|
}
|
|
|
|
let shutdownWhileShowing = this.prefs.getBoolPref("shutdownWhileShowing");
|
|
this.prefs.clearUserPref("shutdownWhileShowing");
|
|
|
|
if (!this.prefs.prefHasUserValue("lastShownDate")) {
|
|
// This isn't expected, but we're being defensive here. We'll
|
|
// opt for showing the notification in this case.
|
|
return true;
|
|
}
|
|
|
|
let lastShownDate = this.prefs.getCharPref("lastShownDate");
|
|
if (this.dateString() > lastShownDate && shutdownWhileShowing) {
|
|
// We're on a newer day then when we last showed the
|
|
// notification without closing it. We don't want to do
|
|
// this too many times, so we'll decrement a counter for
|
|
// this situation. Too many of these, and we'll assume the
|
|
// user doesn't know or care about unsubmitted notifications,
|
|
// and we'll suppress the notification for a while.
|
|
let chances = this.prefs.getIntPref("chancesUntilSuppress");
|
|
if (--chances < 0) {
|
|
// We're out of chances!
|
|
this.prefs.clearUserPref("chancesUntilSuppress");
|
|
// We'll suppress for DAYS_TO_SUPPRESS days.
|
|
let suppressUntil = this.dateString(
|
|
new Date(Date.now() + DAY * DAYS_TO_SUPPRESS)
|
|
);
|
|
this.prefs.setCharPref("suppressUntilDate", suppressUntil);
|
|
return false;
|
|
}
|
|
this.prefs.setIntPref("chancesUntilSuppress", chances);
|
|
}
|
|
|
|
return true;
|
|
},
|
|
|
|
/**
|
|
* Given an array of unsubmitted crash report IDs, try to open
|
|
* up a notification asking the user to submit them.
|
|
*
|
|
* @param reportIDs (Array<string>)
|
|
* The Array of report IDs to offer the user to send.
|
|
* @returns The <xul:notification> if one is shown. null otherwise.
|
|
*/
|
|
showPendingSubmissionsNotification(reportIDs) {
|
|
if (!reportIDs.length) {
|
|
return null;
|
|
}
|
|
|
|
let notification = this.show({
|
|
notificationID: "pending-crash-reports",
|
|
reportIDs,
|
|
onAction: () => {
|
|
this.showingNotification = false;
|
|
},
|
|
});
|
|
|
|
if (notification) {
|
|
this.showingNotification = true;
|
|
this.prefs.setCharPref("lastShownDate", this.dateString());
|
|
}
|
|
|
|
return notification;
|
|
},
|
|
|
|
/**
|
|
* Returns a string representation of a Date in the format
|
|
* YYYYMMDD.
|
|
*
|
|
* @param someDate (Date, optional)
|
|
* The Date to convert to the string. If not provided,
|
|
* defaults to today's date.
|
|
* @returns String
|
|
*/
|
|
dateString(someDate = new Date()) {
|
|
let year = String(someDate.getFullYear()).padStart(4, "0");
|
|
let month = String(someDate.getMonth() + 1).padStart(2, "0");
|
|
let day = String(someDate.getDate()).padStart(2, "0");
|
|
return year + month + day;
|
|
},
|
|
|
|
/**
|
|
* Attempts to show a notification bar to the user in the most
|
|
* recent browser window asking them to submit some crash report
|
|
* IDs. If a notification cannot be shown (for example, there
|
|
* is no browser window), this method exits silently.
|
|
*
|
|
* The notification will allow the user to submit their crash
|
|
* reports. If the user dismissed the notification, the crash
|
|
* reports will be marked to be ignored (though they can
|
|
* still be manually submitted via about:crashes).
|
|
*
|
|
* @param JS Object
|
|
* An Object with the following properties:
|
|
*
|
|
* notificationID (string)
|
|
* The ID for the notification to be opened.
|
|
*
|
|
* reportIDs (Array<string>)
|
|
* The array of report IDs to offer to the user.
|
|
*
|
|
* onAction (function, optional)
|
|
* A callback to fire once the user performs an
|
|
* action on the notification bar (this includes
|
|
* dismissing the notification).
|
|
*
|
|
* @returns The <xul:notification> if one is shown. null otherwise.
|
|
*/
|
|
show({ notificationID, reportIDs, onAction }) {
|
|
let chromeWin = lazy.BrowserWindowTracker.getTopWindow();
|
|
if (!chromeWin) {
|
|
// Can't show a notification in this case. We'll hopefully
|
|
// get another opportunity to have the user submit their
|
|
// crash reports later.
|
|
return null;
|
|
}
|
|
|
|
let notification =
|
|
chromeWin.gNotificationBox.getNotificationWithValue(notificationID);
|
|
if (notification) {
|
|
return null;
|
|
}
|
|
|
|
chromeWin.MozXULElement.insertFTLIfNeeded("browser/contentCrash.ftl");
|
|
|
|
let buttons = [
|
|
{
|
|
"l10n-id": "pending-crash-reports-send",
|
|
callback: () => {
|
|
this.submitReports(
|
|
reportIDs,
|
|
lazy.CrashSubmit.SUBMITTED_FROM_INFOBAR
|
|
);
|
|
if (onAction) {
|
|
onAction();
|
|
}
|
|
},
|
|
},
|
|
{
|
|
"l10n-id": "pending-crash-reports-always-send",
|
|
callback: () => {
|
|
this.autoSubmit = true;
|
|
this.submitReports(
|
|
reportIDs,
|
|
lazy.CrashSubmit.SUBMITTED_FROM_INFOBAR
|
|
);
|
|
if (onAction) {
|
|
onAction();
|
|
}
|
|
},
|
|
},
|
|
{
|
|
"l10n-id": "pending-crash-reports-view-all",
|
|
callback() {
|
|
chromeWin.openTrustedLinkIn("about:crashes", "tab");
|
|
return true;
|
|
},
|
|
},
|
|
];
|
|
|
|
let eventCallback = eventType => {
|
|
if (eventType == "dismissed") {
|
|
// The user intentionally dismissed the notification,
|
|
// which we interpret as meaning that they don't care
|
|
// to submit the reports. We'll ignore these particular
|
|
// reports going forward.
|
|
reportIDs.forEach(function (reportID) {
|
|
lazy.CrashSubmit.ignore(reportID);
|
|
});
|
|
if (onAction) {
|
|
onAction();
|
|
}
|
|
}
|
|
};
|
|
|
|
return chromeWin.gNotificationBox.appendNotification(
|
|
notificationID,
|
|
{
|
|
label: {
|
|
"l10n-id": "pending-crash-reports-message",
|
|
"l10n-args": { reportCount: reportIDs.length },
|
|
},
|
|
image: TABCRASHED_ICON_URI,
|
|
priority: chromeWin.gNotificationBox.PRIORITY_INFO_HIGH,
|
|
eventCallback,
|
|
},
|
|
buttons
|
|
);
|
|
},
|
|
|
|
get autoSubmit() {
|
|
return Services.prefs.getBoolPref(
|
|
"browser.crashReports.unsubmittedCheck.autoSubmit2"
|
|
);
|
|
},
|
|
|
|
set autoSubmit(val) {
|
|
Services.prefs.setBoolPref(
|
|
"browser.crashReports.unsubmittedCheck.autoSubmit2",
|
|
val
|
|
);
|
|
},
|
|
|
|
/**
|
|
* Attempt to submit reports to the crash report server.
|
|
*
|
|
* @param reportIDs (Array<string>)
|
|
* The array of reportIDs to submit.
|
|
* @param submittedFrom (string)
|
|
* One of the CrashSubmit.SUBMITTED_FROM_* constants representing
|
|
* how this crash was submitted.
|
|
*/
|
|
submitReports(reportIDs, submittedFrom) {
|
|
for (let reportID of reportIDs) {
|
|
lazy.CrashSubmit.submit(reportID, submittedFrom).catch(console.error);
|
|
}
|
|
},
|
|
};
|