112 lines
3.6 KiB
JavaScript
112 lines
3.6 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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const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
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Cu.import("resource://gre/modules/AsyncShutdown.jsm", this);
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Cu.import("resource://gre/modules/KeyValueParser.jsm");
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Cu.import("resource://gre/modules/osfile.jsm", this);
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Cu.import("resource://gre/modules/Promise.jsm", this);
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Cu.import("resource://gre/modules/Services.jsm", this);
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Cu.import("resource://gre/modules/Task.jsm", this);
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Cu.import("resource://gre/modules/XPCOMUtils.jsm", this);
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/**
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* Process the .extra file associated with the crash id and return the
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* annotations it contains in an object.
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*
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* @param crashID {string} Crash ID. Likely a UUID.
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*
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* @return {Promise} A promise that resolves to an object holding the crash
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* annotations, this object may be empty if no annotations were found.
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*/
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function processExtraFile(id) {
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let cr = Cc["@mozilla.org/toolkit/crash-reporter;1"]
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.getService(Components.interfaces.nsICrashReporter);
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let extraPath = OS.Path.join(cr.minidumpPath.path, id + ".extra");
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return Task.spawn(function* () {
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try {
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let decoder = new TextDecoder();
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let extraFile = yield OS.File.read(extraPath);
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let extraData = decoder.decode(extraFile);
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return parseKeyValuePairs(extraData);
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} catch (e) {
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Cu.reportError(e);
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}
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return {};
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});
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}
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/**
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* This component makes crash data available throughout the application.
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*
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* It is a service because some background activity will eventually occur.
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*/
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this.CrashService = function() {};
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CrashService.prototype = Object.freeze({
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classID: Components.ID("{92668367-1b17-4190-86b2-1061b2179744}"),
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QueryInterface: XPCOMUtils.generateQI([
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Ci.nsICrashService,
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Ci.nsIObserver,
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]),
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addCrash(processType, crashType, id) {
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switch (processType) {
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case Ci.nsICrashService.PROCESS_TYPE_MAIN:
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processType = Services.crashmanager.PROCESS_TYPE_MAIN;
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break;
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case Ci.nsICrashService.PROCESS_TYPE_CONTENT:
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processType = Services.crashmanager.PROCESS_TYPE_CONTENT;
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break;
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case Ci.nsICrashService.PROCESS_TYPE_PLUGIN:
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processType = Services.crashmanager.PROCESS_TYPE_PLUGIN;
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break;
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case Ci.nsICrashService.PROCESS_TYPE_GMPLUGIN:
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processType = Services.crashmanager.PROCESS_TYPE_GMPLUGIN;
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break;
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case Ci.nsICrashService.PROCESS_TYPE_GPU:
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processType = Services.crashmanager.PROCESS_TYPE_GPU;
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break;
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default:
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throw new Error("Unrecognized PROCESS_TYPE: " + processType);
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}
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switch (crashType) {
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case Ci.nsICrashService.CRASH_TYPE_CRASH:
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crashType = Services.crashmanager.CRASH_TYPE_CRASH;
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break;
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case Ci.nsICrashService.CRASH_TYPE_HANG:
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crashType = Services.crashmanager.CRASH_TYPE_HANG;
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break;
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default:
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throw new Error("Unrecognized CRASH_TYPE: " + crashType);
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}
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AsyncShutdown.profileBeforeChange.addBlocker(
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"CrashService waiting for content crash ping to be sent",
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processExtraFile(id).then(metadata => {
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return Services.crashmanager.addCrash(processType, crashType, id,
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new Date(), metadata)
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})
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);
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},
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observe(subject, topic, data) {
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switch (topic) {
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case "profile-after-change":
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// Side-effect is the singleton is instantiated.
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Services.crashmanager;
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break;
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}
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},
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});
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([CrashService]);
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