diff options
Diffstat (limited to 'toolkit/mozapps/extensions/internal/GMPProvider.sys.mjs')
| -rw-r--r-- | toolkit/mozapps/extensions/internal/GMPProvider.sys.mjs | 934 |
1 files changed, 934 insertions, 0 deletions
diff --git a/toolkit/mozapps/extensions/internal/GMPProvider.sys.mjs b/toolkit/mozapps/extensions/internal/GMPProvider.sys.mjs new file mode 100644 index 0000000000..aaac109fc0 --- /dev/null +++ b/toolkit/mozapps/extensions/internal/GMPProvider.sys.mjs @@ -0,0 +1,934 @@ +/* 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/. */ + +import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs"; + +import { AppConstants } from "resource://gre/modules/AppConstants.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + AddonManager: "resource://gre/modules/AddonManager.sys.mjs", + AddonManagerPrivate: "resource://gre/modules/AddonManager.sys.mjs", + GMPInstallManager: "resource://gre/modules/GMPInstallManager.sys.mjs", + Log: "resource://gre/modules/Log.sys.mjs", + setTimeout: "resource://gre/modules/Timer.sys.mjs", +}); + +import { + GMPPrefs, + GMPUtils, + OPEN_H264_ID, + WIDEVINE_L1_ID, + WIDEVINE_L3_ID, +} from "resource://gre/modules/GMPUtils.sys.mjs"; + +const SEC_IN_A_DAY = 24 * 60 * 60; +// How long to wait after a user enabled EME before attempting to download CDMs. +const GMP_CHECK_DELAY = 10 * 1000; // milliseconds + +const XHTML = "http://www.w3.org/1999/xhtml"; + +const NS_GRE_DIR = "GreD"; +const CLEARKEY_PLUGIN_ID = "gmp-clearkey"; +const CLEARKEY_VERSION = "0.1"; + +const FIRST_CONTENT_PROCESS_TOPIC = "ipc:first-content-process-created"; + +const GMP_LICENSE_INFO = "plugins-gmp-license-info"; +const GMP_PRIVACY_INFO = "plugins-gmp-privacy-info"; +const GMP_LEARN_MORE = "learn_more_label"; + +const GMP_PLUGINS = [ + { + id: OPEN_H264_ID, + name: "plugins-openh264-name", + description: "plugins-openh264-description", + level: "", + libName: "gmpopenh264", + // The following licenseURL is part of an awful hack to include the OpenH264 + // license without having bug 624602 fixed yet, and intentionally ignores + // localisation. + licenseURL: "chrome://mozapps/content/extensions/OpenH264-license.txt", + homepageURL: "https://www.openh264.org/", + }, + { + id: WIDEVINE_L1_ID, + name: "plugins-widevine-name", + description: "plugins-widevine-description", + level: "L1", + libName: "Google.Widevine.CDM", + licenseURL: "https://www.google.com/policies/privacy/", + homepageURL: "https://www.widevine.com/", + isEME: true, + }, + { + id: WIDEVINE_L3_ID, + name: "plugins-widevine-name", + description: "plugins-widevine-description", + level: "L3", + libName: "widevinecdm", + licenseURL: "https://www.google.com/policies/privacy/", + homepageURL: "https://www.widevine.com/", + isEME: true, + }, +]; + +ChromeUtils.defineLazyGetter( + lazy, + "addonsBundle", + () => new Localization(["toolkit/about/aboutAddons.ftl"], true) +); +ChromeUtils.defineLazyGetter(lazy, "gmpService", () => + Cc["@mozilla.org/gecko-media-plugin-service;1"].getService( + Ci.mozIGeckoMediaPluginChromeService + ) +); + +XPCOMUtils.defineLazyPreferenceGetter( + lazy, + "gmpProviderEnabled", + GMPPrefs.KEY_PROVIDER_ENABLED +); + +var gLogger; +var gLogAppenderDump = null; + +function configureLogging() { + if (!gLogger) { + gLogger = lazy.Log.repository.getLogger("Toolkit.GMP"); + gLogger.addAppender( + new lazy.Log.ConsoleAppender(new lazy.Log.BasicFormatter()) + ); + } + gLogger.level = GMPPrefs.getInt( + GMPPrefs.KEY_LOGGING_LEVEL, + lazy.Log.Level.Warn + ); + + let logDumping = GMPPrefs.getBool(GMPPrefs.KEY_LOGGING_DUMP, false); + if (logDumping != !!gLogAppenderDump) { + if (logDumping) { + gLogAppenderDump = new lazy.Log.DumpAppender( + new lazy.Log.BasicFormatter() + ); + gLogger.addAppender(gLogAppenderDump); + } else { + gLogger.removeAppender(gLogAppenderDump); + gLogAppenderDump = null; + } + } +} + +/** + * The GMPWrapper provides the info for the various GMP plugins to public + * callers through the API. + */ +function GMPWrapper(aPluginInfo, aRawPluginInfo) { + this._plugin = aPluginInfo; + this._rawPlugin = aRawPluginInfo; + this._log = lazy.Log.repository.getLoggerWithMessagePrefix( + "Toolkit.GMP", + "GMPWrapper(" + this._plugin.id + ") " + ); + Services.prefs.addObserver( + GMPPrefs.getPrefKey(GMPPrefs.KEY_PLUGIN_ENABLED, this._plugin.id), + this, + true + ); + Services.prefs.addObserver( + GMPPrefs.getPrefKey(GMPPrefs.KEY_PLUGIN_VERSION, this._plugin.id), + this, + true + ); + if (this._plugin.isEME) { + Services.prefs.addObserver(GMPPrefs.KEY_EME_ENABLED, this, true); + Services.obs.addObserver(this, "EMEVideo:CDMMissing"); + } +} + +GMPWrapper.prototype = { + QueryInterface: ChromeUtils.generateQI([ + "nsIObserver", + "nsISupportsWeakReference", + ]), + + // An active task that checks for plugin updates and installs them. + _updateTask: null, + _gmpPath: null, + _isUpdateCheckPending: false, + + set gmpPath(aPath) { + this._gmpPath = aPath; + }, + get gmpPath() { + if (!this._gmpPath && this.isInstalled) { + this._gmpPath = PathUtils.join( + Services.dirsvc.get("ProfD", Ci.nsIFile).path, + this._plugin.id, + GMPPrefs.getString(GMPPrefs.KEY_PLUGIN_VERSION, null, this._plugin.id) + ); + } + return this._gmpPath; + }, + + get id() { + return this._plugin.id; + }, + get libName() { + return this._plugin.libName; + }, + get type() { + return "plugin"; + }, + get isGMPlugin() { + return true; + }, + get name() { + return this._plugin.name; + }, + get creator() { + return null; + }, + get homepageURL() { + return this._plugin.homepageURL; + }, + + get description() { + return this._plugin.description; + }, + get fullDescription() { + return null; + }, + + getFullDescription(doc) { + let plugin = this._rawPlugin; + + let frag = doc.createDocumentFragment(); + for (let [urlProp, labelId] of [ + ["learnMoreURL", GMP_LEARN_MORE], + [ + "licenseURL", + this.id == WIDEVINE_L1_ID || this.id == WIDEVINE_L3_ID + ? GMP_PRIVACY_INFO + : GMP_LICENSE_INFO, + ], + ]) { + if (plugin[urlProp]) { + let a = doc.createElementNS(XHTML, "a"); + a.href = plugin[urlProp]; + a.target = "_blank"; + a.textContent = lazy.addonsBundle.formatValueSync(labelId); + + if (frag.childElementCount) { + frag.append( + doc.createElementNS(XHTML, "br"), + doc.createElementNS(XHTML, "br") + ); + } + frag.append(a); + } + } + + return frag; + }, + + get version() { + return GMPPrefs.getString( + GMPPrefs.KEY_PLUGIN_VERSION, + null, + this._plugin.id + ); + }, + + get isActive() { + return ( + !this.appDisabled && + !this.userDisabled && + !GMPUtils.isPluginHidden(this._plugin) + ); + }, + get appDisabled() { + if ( + this._plugin.isEME && + !GMPPrefs.getBool(GMPPrefs.KEY_EME_ENABLED, true) + ) { + // If "media.eme.enabled" is false, all EME plugins are disabled. + return true; + } + return false; + }, + + get userDisabled() { + return !GMPPrefs.getBool( + GMPPrefs.KEY_PLUGIN_ENABLED, + true, + this._plugin.id + ); + }, + set userDisabled(aVal) { + GMPPrefs.setBool( + GMPPrefs.KEY_PLUGIN_ENABLED, + aVal === false, + this._plugin.id + ); + }, + + async enable() { + this.userDisabled = false; + }, + async disable() { + this.userDisabled = true; + }, + + get blocklistState() { + return Ci.nsIBlocklistService.STATE_NOT_BLOCKED; + }, + get size() { + return 0; + }, + get scope() { + return lazy.AddonManager.SCOPE_APPLICATION; + }, + get pendingOperations() { + return lazy.AddonManager.PENDING_NONE; + }, + + get operationsRequiringRestart() { + return lazy.AddonManager.OP_NEEDS_RESTART_NONE; + }, + + get permissions() { + let permissions = 0; + if (!this.appDisabled) { + permissions |= lazy.AddonManager.PERM_CAN_UPGRADE; + permissions |= this.userDisabled + ? lazy.AddonManager.PERM_CAN_ENABLE + : lazy.AddonManager.PERM_CAN_DISABLE; + } + return permissions; + }, + + get updateDate() { + let time = Number( + GMPPrefs.getInt(GMPPrefs.KEY_PLUGIN_LAST_UPDATE, 0, this._plugin.id) + ); + if (this.isInstalled) { + return new Date(time * 1000); + } + return null; + }, + + get isCompatible() { + return true; + }, + + get isPlatformCompatible() { + return true; + }, + + get providesUpdatesSecurely() { + return true; + }, + + get foreignInstall() { + return false; + }, + + get installTelemetryInfo() { + return { source: "gmp-plugin" }; + }, + + isCompatibleWith(aAppVersion, aPlatformVersion) { + return true; + }, + + get applyBackgroundUpdates() { + if (!GMPPrefs.isSet(GMPPrefs.KEY_PLUGIN_AUTOUPDATE, this._plugin.id)) { + return lazy.AddonManager.AUTOUPDATE_DEFAULT; + } + + return GMPPrefs.getBool( + GMPPrefs.KEY_PLUGIN_AUTOUPDATE, + true, + this._plugin.id + ) + ? lazy.AddonManager.AUTOUPDATE_ENABLE + : lazy.AddonManager.AUTOUPDATE_DISABLE; + }, + + set applyBackgroundUpdates(aVal) { + if (aVal == lazy.AddonManager.AUTOUPDATE_DEFAULT) { + GMPPrefs.reset(GMPPrefs.KEY_PLUGIN_AUTOUPDATE, this._plugin.id); + } else if (aVal == lazy.AddonManager.AUTOUPDATE_ENABLE) { + GMPPrefs.setBool(GMPPrefs.KEY_PLUGIN_AUTOUPDATE, true, this._plugin.id); + } else if (aVal == lazy.AddonManager.AUTOUPDATE_DISABLE) { + GMPPrefs.setBool(GMPPrefs.KEY_PLUGIN_AUTOUPDATE, false, this._plugin.id); + } + }, + + /** + * Called by the addon manager to update GMP addons. For example this will be + * used if a user manually checks for GMP plugin updates by using the + * menu in about:addons. + * + * This function is not used if MediaKeySystemAccess is requested and + * Widevine is not yet installed, or if the user toggles prefs to enable EME. + * For the function used in those cases see `checkForUpdates`. + */ + findUpdates(aListener, aReason, aAppVersion, aPlatformVersion) { + this._log.trace( + "findUpdates() - " + this._plugin.id + " - reason=" + aReason + ); + + // In the case of GMP addons we do not wish to implement AddonInstall, as + // we don't want to display information as in a normal addon install such + // as a download progress bar. As such, we short circuit our + // listeners by indicating that no updates exist (though some may). + lazy.AddonManagerPrivate.callNoUpdateListeners(this, aListener); + + if (aReason === lazy.AddonManager.UPDATE_WHEN_PERIODIC_UPDATE) { + if (!lazy.AddonManager.shouldAutoUpdate(this)) { + this._log.trace( + "findUpdates() - " + this._plugin.id + " - no autoupdate" + ); + return Promise.resolve(false); + } + + let secSinceLastCheck = + Date.now() / 1000 - + Services.prefs.getIntPref(GMPPrefs.KEY_UPDATE_LAST_CHECK, 0); + if (secSinceLastCheck <= SEC_IN_A_DAY) { + this._log.trace( + "findUpdates() - " + + this._plugin.id + + " - last check was less then a day ago" + ); + return Promise.resolve(false); + } + } else if (aReason !== lazy.AddonManager.UPDATE_WHEN_USER_REQUESTED) { + this._log.trace( + "findUpdates() - " + + this._plugin.id + + " - the given reason to update is not supported" + ); + return Promise.resolve(false); + } + + if (this._updateTask !== null) { + this._log.trace( + "findUpdates() - " + this._plugin.id + " - update task already running" + ); + return this._updateTask; + } + + this._updateTask = (async () => { + this._log.trace("findUpdates() - updateTask"); + try { + let installManager = new lazy.GMPInstallManager(); + let res = await installManager.checkForAddons(); + let update = res.addons.find(addon => addon.id === this._plugin.id); + if (update && update.isValid && !update.isInstalled) { + this._log.trace( + "findUpdates() - found update for " + + this._plugin.id + + ", installing" + ); + await installManager.installAddon(update); + } else { + this._log.trace("findUpdates() - no updates for " + this._plugin.id); + } + this._log.info( + "findUpdates() - updateTask succeeded for " + this._plugin.id + ); + } catch (e) { + this._log.error( + "findUpdates() - updateTask for " + this._plugin.id + " threw", + e + ); + throw e; + } finally { + this._updateTask = null; + } + return true; + })(); + + return this._updateTask; + }, + + get pluginLibraries() { + if (this.isInstalled) { + let path = this.version; + return [path]; + } + return []; + }, + get pluginFullpath() { + if (this.isInstalled) { + let path = PathUtils.join( + Services.dirsvc.get("ProfD", Ci.nsIFile).path, + this._plugin.id, + this.version + ); + return [path]; + } + return []; + }, + + get isInstalled() { + return this.version && !!this.version.length; + }, + + _handleEnabledChanged() { + this._log.info( + "_handleEnabledChanged() id=" + + this._plugin.id + + " isActive=" + + this.isActive + ); + + lazy.AddonManagerPrivate.callAddonListeners( + this.isActive ? "onEnabling" : "onDisabling", + this, + false + ); + if (this._gmpPath) { + if (this.isActive) { + this._log.info( + "onPrefEnabledChanged() - adding gmp directory " + this._gmpPath + ); + lazy.gmpService.addPluginDirectory(this._gmpPath); + } else { + this._log.info( + "onPrefEnabledChanged() - removing gmp directory " + this._gmpPath + ); + lazy.gmpService.removePluginDirectory(this._gmpPath); + } + } + lazy.AddonManagerPrivate.callAddonListeners( + this.isActive ? "onEnabled" : "onDisabled", + this + ); + }, + + onPrefEMEGlobalEnabledChanged() { + this._log.info( + "onPrefEMEGlobalEnabledChanged() id=" + + this._plugin.id + + " appDisabled=" + + this.appDisabled + + " isActive=" + + this.isActive + + " hidden=" + + GMPUtils.isPluginHidden(this._plugin) + ); + + lazy.AddonManagerPrivate.callAddonListeners("onPropertyChanged", this, [ + "appDisabled", + ]); + // If EME or the GMP itself are disabled, uninstall the GMP. + // Otherwise, check for updates, so we download and install the GMP. + if (this.appDisabled) { + this.uninstallPlugin(); + } else if (!GMPUtils.isPluginHidden(this._plugin)) { + lazy.AddonManagerPrivate.callInstallListeners( + "onExternalInstall", + null, + this, + null, + false + ); + lazy.AddonManagerPrivate.callAddonListeners("onInstalling", this, false); + lazy.AddonManagerPrivate.callAddonListeners("onInstalled", this); + this.checkForUpdates(GMP_CHECK_DELAY); + } + if (!this.userDisabled) { + this._handleEnabledChanged(); + } + }, + + /** + * This is called if prefs are changed to enable EME, or if Widevine + * MediaKeySystemAccess is requested but the Widevine CDM is not installed. + * + * For the function used by the addon manager see `findUpdates`. + */ + checkForUpdates(delay) { + if (this._isUpdateCheckPending) { + return; + } + this._isUpdateCheckPending = true; + GMPPrefs.reset(GMPPrefs.KEY_UPDATE_LAST_CHECK, null); + // Delay this in case the user changes his mind and doesn't want to + // enable EME after all. + lazy.setTimeout(() => { + if (!this.appDisabled) { + let gmpInstallManager = new lazy.GMPInstallManager(); + // We don't really care about the results, if someone is interested + // they can check the log. + gmpInstallManager.simpleCheckAndInstall().catch(() => {}); + } + this._isUpdateCheckPending = false; + }, delay); + }, + + onPrefEnabledChanged() { + if (!this._plugin.isEME || !this.appDisabled) { + this._handleEnabledChanged(); + } + }, + + onPrefVersionChanged() { + lazy.AddonManagerPrivate.callAddonListeners("onUninstalling", this, false); + if (this._gmpPath) { + this._log.info( + "onPrefVersionChanged() - unregistering gmp directory " + this._gmpPath + ); + lazy.gmpService.removeAndDeletePluginDirectory( + this._gmpPath, + true /* can defer */ + ); + } + lazy.AddonManagerPrivate.callAddonListeners("onUninstalled", this); + + lazy.AddonManagerPrivate.callInstallListeners( + "onExternalInstall", + null, + this, + null, + false + ); + lazy.AddonManagerPrivate.callAddonListeners("onInstalling", this, false); + this._gmpPath = null; + if (this.isInstalled) { + this._gmpPath = PathUtils.join( + Services.dirsvc.get("ProfD", Ci.nsIFile).path, + this._plugin.id, + GMPPrefs.getString(GMPPrefs.KEY_PLUGIN_VERSION, null, this._plugin.id) + ); + } + if (this._gmpPath && this.isActive) { + this._log.info( + "onPrefVersionChanged() - registering gmp directory " + this._gmpPath + ); + lazy.gmpService.addPluginDirectory(this._gmpPath); + } + lazy.AddonManagerPrivate.callAddonListeners("onInstalled", this); + }, + + observe(subject, topic, data) { + if (topic == "nsPref:changed") { + let pref = data; + if ( + pref == + GMPPrefs.getPrefKey(GMPPrefs.KEY_PLUGIN_ENABLED, this._plugin.id) + ) { + this.onPrefEnabledChanged(); + } else if ( + pref == + GMPPrefs.getPrefKey(GMPPrefs.KEY_PLUGIN_VERSION, this._plugin.id) + ) { + this.onPrefVersionChanged(); + } else if (pref == GMPPrefs.KEY_EME_ENABLED) { + this.onPrefEMEGlobalEnabledChanged(); + } + } else if (topic == "EMEVideo:CDMMissing") { + this.checkForUpdates(0); + } + }, + + uninstallPlugin() { + lazy.AddonManagerPrivate.callAddonListeners("onUninstalling", this, false); + if (this.gmpPath) { + this._log.info( + "uninstallPlugin() - unregistering gmp directory " + this.gmpPath + ); + lazy.gmpService.removeAndDeletePluginDirectory(this.gmpPath); + } + GMPPrefs.reset(GMPPrefs.KEY_PLUGIN_VERSION, this.id); + GMPPrefs.reset(GMPPrefs.KEY_PLUGIN_HASHVALUE, this.id); + GMPPrefs.reset(GMPPrefs.KEY_PLUGIN_ABI, this.id); + GMPPrefs.reset(GMPPrefs.KEY_PLUGIN_LAST_UPDATE, this.id); + lazy.AddonManagerPrivate.callAddonListeners("onUninstalled", this); + }, + + shutdown() { + Services.prefs.removeObserver( + GMPPrefs.getPrefKey(GMPPrefs.KEY_PLUGIN_ENABLED, this._plugin.id), + this + ); + Services.prefs.removeObserver( + GMPPrefs.getPrefKey(GMPPrefs.KEY_PLUGIN_VERSION, this._plugin.id), + this + ); + if (this._plugin.isEME) { + Services.prefs.removeObserver(GMPPrefs.KEY_EME_ENABLED, this); + Services.obs.removeObserver(this, "EMEVideo:CDMMissing"); + } + return this._updateTask; + }, + + _arePluginFilesOnDisk() { + let fileExists = function (aGmpPath, aFileName) { + let f = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile); + let path = PathUtils.join(aGmpPath, aFileName); + f.initWithPath(path); + return f.exists(); + }; + + let libName = + AppConstants.DLL_PREFIX + this._plugin.libName + AppConstants.DLL_SUFFIX; + let infoName; + if ( + this._plugin.id == WIDEVINE_L1_ID || + this._plugin.id == WIDEVINE_L3_ID + ) { + infoName = "manifest.json"; + } else { + infoName = this._plugin.id.substring(4) + ".info"; + } + + return ( + fileExists(this.gmpPath, libName) && fileExists(this.gmpPath, infoName) + ); + }, + + validate() { + if (!this.isInstalled) { + // Not installed -> Valid. + return { + installed: false, + valid: true, + }; + } + + let expectedABI = GMPUtils._expectedABI(this._plugin); + let abi = GMPPrefs.getString( + GMPPrefs.KEY_PLUGIN_ABI, + expectedABI, + this._plugin.id + ); + if (abi != expectedABI) { + // ABI doesn't match. Possibly this is a profile migrated across platforms + // or from 32 -> 64 bit. + return { + installed: true, + mismatchedABI: true, + valid: false, + }; + } + + // Installed -> Check if files are missing. + let filesOnDisk = this._arePluginFilesOnDisk(); + return { + installed: true, + valid: filesOnDisk, + }; + }, +}; + +var GMPProvider = { + get name() { + return "GMPProvider"; + }, + + _plugins: null, + + startup() { + configureLogging(); + this._log = lazy.Log.repository.getLoggerWithMessagePrefix( + "Toolkit.GMP", + "GMPProvider." + ); + this.buildPluginList(); + this.ensureProperCDMInstallState(); + + Services.prefs.addObserver(GMPPrefs.KEY_LOG_BASE, configureLogging); + + for (let plugin of this._plugins.values()) { + let wrapper = plugin.wrapper; + let gmpPath = wrapper.gmpPath; + let isEnabled = wrapper.isActive; + this._log.trace( + "startup - enabled=" + isEnabled + ", gmpPath=" + gmpPath + ); + + if (gmpPath && isEnabled) { + let validation = wrapper.validate(); + if (validation.mismatchedABI) { + this._log.info( + "startup - gmp " + plugin.id + " mismatched ABI, uninstalling" + ); + wrapper.uninstallPlugin(); + continue; + } + if (!validation.valid) { + this._log.info( + "startup - gmp " + plugin.id + " invalid, uninstalling" + ); + wrapper.uninstallPlugin(); + continue; + } + this._log.info("startup - adding gmp directory " + gmpPath); + try { + lazy.gmpService.addPluginDirectory(gmpPath); + } catch (e) { + if (e.name != "NS_ERROR_NOT_AVAILABLE") { + throw e; + } + this._log.warn( + "startup - adding gmp directory failed with " + + e.name + + " - sandboxing not available?", + e + ); + } + } + } + + try { + let greDir = Services.dirsvc.get(NS_GRE_DIR, Ci.nsIFile); + let path = greDir.path; + if ( + GMPUtils._isWindowsOnARM64() && + GMPPrefs.getBool( + GMPPrefs.KEY_PLUGIN_ALLOW_X64_ON_ARM64, + true, + CLEARKEY_PLUGIN_ID + ) + ) { + path = PathUtils.join(path, "i686"); + } + let clearkeyPath = PathUtils.join( + path, + CLEARKEY_PLUGIN_ID, + CLEARKEY_VERSION + ); + this._log.info("startup - adding clearkey CDM directory " + clearkeyPath); + lazy.gmpService.addPluginDirectory(clearkeyPath); + } catch (e) { + this._log.warn("startup - adding clearkey CDM failed", e); + } + }, + + shutdown() { + this._log.trace("shutdown"); + Services.prefs.removeObserver(GMPPrefs.KEY_LOG_BASE, configureLogging); + + let shutdownTask = (async () => { + this._log.trace("shutdown - shutdownTask"); + let shutdownSucceeded = true; + + for (let plugin of this._plugins.values()) { + try { + await plugin.wrapper.shutdown(); + } catch (e) { + shutdownSucceeded = false; + } + } + + this._plugins = null; + + if (!shutdownSucceeded) { + throw new Error("Shutdown failed"); + } + })(); + + return shutdownTask; + }, + + async getAddonByID(aId) { + if (!this.isEnabled) { + return null; + } + + let plugin = this._plugins.get(aId); + if (plugin && !GMPUtils.isPluginHidden(plugin)) { + return plugin.wrapper; + } + return null; + }, + + async getAddonsByTypes(aTypes) { + if (!this.isEnabled || (aTypes && !aTypes.includes("plugin"))) { + return []; + } + + let results = Array.from(this._plugins.values()) + .filter(p => !GMPUtils.isPluginHidden(p)) + .map(p => p.wrapper); + + return results; + }, + + get isEnabled() { + return lazy.gmpProviderEnabled; + }, + + buildPluginList() { + this._plugins = new Map(); + for (let aPlugin of GMP_PLUGINS) { + let plugin = { + id: aPlugin.id, + name: lazy.addonsBundle.formatValueSync(aPlugin.name), + description: lazy.addonsBundle.formatValueSync(aPlugin.description), + libName: aPlugin.libName, + homepageURL: aPlugin.homepageURL, + optionsURL: aPlugin.optionsURL, + wrapper: null, + isEME: aPlugin.isEME, + }; + plugin.wrapper = new GMPWrapper(plugin, aPlugin); + this._plugins.set(plugin.id, plugin); + } + }, + + ensureProperCDMInstallState() { + if (!GMPPrefs.getBool(GMPPrefs.KEY_EME_ENABLED, true)) { + for (let plugin of this._plugins.values()) { + if (plugin.isEME && plugin.wrapper.isInstalled) { + lazy.gmpService.addPluginDirectory(plugin.wrapper.gmpPath); + plugin.wrapper.uninstallPlugin(); + } + } + } + }, + + observe(subject, topic, data) { + if (topic == FIRST_CONTENT_PROCESS_TOPIC) { + lazy.AddonManagerPrivate.registerProvider(GMPProvider, ["plugin"]); + Services.obs.notifyObservers(null, "gmp-provider-registered"); + + Services.obs.removeObserver(this, FIRST_CONTENT_PROCESS_TOPIC); + } + }, + + addObserver() { + Services.obs.addObserver(this, FIRST_CONTENT_PROCESS_TOPIC); + }, +}; + +GMPProvider.addObserver(); + +// For test use only. +export const GMPTestUtils = { + /** + * Used to override the GMP service with a mock. + * + * @param {object} mockService + * The mocked gmpService object. + * @param {function} callback + * Method called with the overridden gmpService. The override + * is undone after the callback returns. + */ + async overrideGmpService(mockService, callback) { + let originalGmpService = lazy.gmpService; + lazy.gmpService = mockService; + try { + return await callback(); + } finally { + lazy.gmpService = originalGmpService; + } + }, +}; |