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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
var EXPORTED_SYMBOLS = ["PluginParent", "PluginManager"];
const { AppConstants } = ChromeUtils.importESModule(
"resource://gre/modules/AppConstants.sys.mjs"
);
const { XPCOMUtils } = ChromeUtils.importESModule(
"resource://gre/modules/XPCOMUtils.sys.mjs"
);
const lazy = {};
ChromeUtils.defineModuleGetter(
lazy,
"CrashSubmit",
"resource://gre/modules/CrashSubmit.jsm"
);
XPCOMUtils.defineLazyGetter(lazy, "gNavigatorBundle", function() {
const url = "chrome://browser/locale/browser.properties";
return Services.strings.createBundle(url);
});
const PluginManager = {
gmpCrashes: new Map(),
observe(subject, topic, data) {
switch (topic) {
case "gmp-plugin-crash":
this._registerGMPCrash(subject);
break;
}
},
_registerGMPCrash(subject) {
let propertyBag = subject;
if (
!(propertyBag instanceof Ci.nsIWritablePropertyBag2) ||
!propertyBag.hasKey("pluginID") ||
!propertyBag.hasKey("pluginDumpID") ||
!propertyBag.hasKey("pluginName")
) {
console.error("PluginManager can not read plugin information.");
return;
}
let pluginID = propertyBag.getPropertyAsUint32("pluginID");
let pluginDumpID = propertyBag.getPropertyAsAString("pluginDumpID");
let pluginName = propertyBag.getPropertyAsACString("pluginName");
if (pluginDumpID) {
this.gmpCrashes.set(pluginID, { pluginDumpID, pluginID, pluginName });
}
// Only the parent process gets the gmp-plugin-crash observer
// notification, so we need to inform any content processes that
// the GMP has crashed. This then fires PluginCrashed events in
// all the relevant windows, which will trigger child actors being
// created, which will contact us again, when we'll use the
// gmpCrashes collection to respond.
if (Services.ppmm) {
Services.ppmm.broadcastAsyncMessage("gmp-plugin-crash", {
pluginName,
pluginID,
});
}
},
/**
* Submit a crash report for a crashed plugin.
*
* @param pluginCrashID
* An object with a pluginID.
* @param keyVals
* An object whose key-value pairs will be merged
* with the ".extra" file submitted with the report.
* The properties of htis object will override properties
* of the same name in the .extra file.
*/
submitCrashReport(pluginCrashID, keyVals = {}) {
let report = this.getCrashReport(pluginCrashID);
if (!report) {
console.error(
`Could not find plugin dump IDs for ${JSON.stringify(pluginCrashID)}.` +
`It is possible that a report was already submitted.`
);
return;
}
let { pluginDumpID } = report;
lazy.CrashSubmit.submit(
pluginDumpID,
lazy.CrashSubmit.SUBMITTED_FROM_CRASH_TAB,
{
recordSubmission: true,
extraExtraKeyVals: keyVals,
}
);
this.gmpCrashes.delete(pluginCrashID.pluginID);
},
getCrashReport(pluginCrashID) {
return this.gmpCrashes.get(pluginCrashID.pluginID);
},
};
class PluginParent extends JSWindowActorParent {
receiveMessage(msg) {
let browser = this.manager.rootFrameLoader.ownerElement;
switch (msg.name) {
case "PluginContent:ShowPluginCrashedNotification":
this.showPluginCrashedNotification(browser, msg.data.pluginCrashID);
break;
default:
console.error(
"PluginParent did not expect to handle message ",
msg.name
);
break;
}
return null;
}
/**
* Shows a plugin-crashed notification bar for a browser that has had a
* GMP plugin crash.
*
* @param browser
* The browser to show the notification for.
* @param pluginCrashID
* The unique-per-process identifier for GMP.
*/
showPluginCrashedNotification(browser, pluginCrashID) {
// If there's already an existing notification bar, don't do anything.
let notificationBox = browser.getTabBrowser().getNotificationBox(browser);
let notification = notificationBox.getNotificationWithValue(
"plugin-crashed"
);
let report = PluginManager.getCrashReport(pluginCrashID);
if (notification || !report) {
return;
}
// Configure the notification bar
let priority = notificationBox.PRIORITY_WARNING_MEDIUM;
let iconURL = "chrome://global/skin/icons/plugin.svg";
let reloadLabel = lazy.gNavigatorBundle.GetStringFromName(
"crashedpluginsMessage.reloadButton.label"
);
let reloadKey = lazy.gNavigatorBundle.GetStringFromName(
"crashedpluginsMessage.reloadButton.accesskey"
);
let buttons = [
{
label: reloadLabel,
accessKey: reloadKey,
popup: null,
callback() {
browser.reload();
},
},
];
if (AppConstants.MOZ_CRASHREPORTER) {
let submitLabel = lazy.gNavigatorBundle.GetStringFromName(
"crashedpluginsMessage.submitButton.label"
);
let submitKey = lazy.gNavigatorBundle.GetStringFromName(
"crashedpluginsMessage.submitButton.accesskey"
);
let submitButton = {
label: submitLabel,
accessKey: submitKey,
popup: null,
callback: () => {
PluginManager.submitCrashReport(pluginCrashID);
},
};
buttons.push(submitButton);
}
let messageString = lazy.gNavigatorBundle.formatStringFromName(
"crashedpluginsMessage.title",
[report.pluginName]
);
notification = notificationBox.appendNotification(
"plugin-crashed",
{
label: messageString,
image: iconURL,
priority,
},
buttons
);
// Add the "learn more" link.
let link = notification.ownerDocument.createXULElement("label", {
is: "text-link",
});
link.setAttribute(
"value",
lazy.gNavigatorBundle.GetStringFromName("crashedpluginsMessage.learnMore")
);
let crashurl = Services.urlFormatter.formatURLPref("app.support.baseURL");
crashurl += "plugin-crashed-notificationbar";
link.href = crashurl;
// Append a blank text node to make sure we don't put
// the link right next to the end of the message text.
notification.messageText.appendChild(new Text(" "));
notification.messageText.appendChild(link);
}
}
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