diff options
Diffstat (limited to 'js/ui/extensionDownloader.js')
| -rw-r--r-- | js/ui/extensionDownloader.js | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/js/ui/extensionDownloader.js b/js/ui/extensionDownloader.js new file mode 100644 index 0000000..a7b40f9 --- /dev/null +++ b/js/ui/extensionDownloader.js @@ -0,0 +1,248 @@ +// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- +/* exported init, installExtension, uninstallExtension, checkForUpdates */ + +const { Clutter, Gio, GLib, GObject, Soup } = imports.gi; + +const Config = imports.misc.config; +const Dialog = imports.ui.dialog; +const ExtensionUtils = imports.misc.extensionUtils; +const FileUtils = imports.misc.fileUtils; +const Main = imports.ui.main; +const ModalDialog = imports.ui.modalDialog; + +var REPOSITORY_URL_DOWNLOAD = 'https://extensions.gnome.org/download-extension/%s.shell-extension.zip'; +var REPOSITORY_URL_INFO = 'https://extensions.gnome.org/extension-info/'; +var REPOSITORY_URL_UPDATE = 'https://extensions.gnome.org/update-info/'; + +let _httpSession; + +function installExtension(uuid, invocation) { + let params = { uuid, + shell_version: Config.PACKAGE_VERSION }; + + let message = Soup.form_request_new_from_hash('GET', REPOSITORY_URL_INFO, params); + + _httpSession.queue_message(message, () => { + if (message.status_code != Soup.KnownStatusCode.OK) { + Main.extensionManager.logExtensionError(uuid, 'downloading info: %d'.format(message.status_code)); + invocation.return_dbus_error('org.gnome.Shell.DownloadInfoError', message.status_code.toString()); + return; + } + + let info; + try { + info = JSON.parse(message.response_body.data); + } catch (e) { + Main.extensionManager.logExtensionError(uuid, 'parsing info: %s'.format(e.toString())); + invocation.return_dbus_error('org.gnome.Shell.ParseInfoError', e.toString()); + return; + } + + let dialog = new InstallExtensionDialog(uuid, info, invocation); + dialog.open(global.get_current_time()); + }); +} + +function uninstallExtension(uuid) { + let extension = Main.extensionManager.lookup(uuid); + if (!extension) + return false; + + // Don't try to uninstall system extensions + if (extension.type != ExtensionUtils.ExtensionType.PER_USER) + return false; + + if (!Main.extensionManager.unloadExtension(extension)) + return false; + + FileUtils.recursivelyDeleteDir(extension.dir, true); + + try { + const updatesDir = Gio.File.new_for_path(GLib.build_filenamev( + [global.userdatadir, 'extension-updates', extension.uuid])); + FileUtils.recursivelyDeleteDir(updatesDir, true); + } catch (e) { + // not an error + } + + return true; +} + +function gotExtensionZipFile(session, message, uuid, dir, callback, errback) { + if (message.status_code != Soup.KnownStatusCode.OK) { + errback('DownloadExtensionError', message.status_code); + return; + } + + try { + if (!dir.query_exists(null)) + dir.make_directory_with_parents(null); + } catch (e) { + errback('CreateExtensionDirectoryError', e); + return; + } + + let [file, stream] = Gio.File.new_tmp('XXXXXX.shell-extension.zip'); + let contents = message.response_body.flatten().get_as_bytes(); + stream.output_stream.write_bytes(contents, null); + stream.close(null); + let [success, pid] = GLib.spawn_async(null, + ['unzip', '-uod', dir.get_path(), '--', file.get_path()], + null, + GLib.SpawnFlags.SEARCH_PATH | GLib.SpawnFlags.DO_NOT_REAP_CHILD, + null); + + if (!success) { + errback('ExtractExtensionError'); + return; + } + + GLib.child_watch_add(GLib.PRIORITY_DEFAULT, pid, (o, status) => { + GLib.spawn_close_pid(pid); + + if (status != 0) + errback('ExtractExtensionError'); + else + callback(); + }); +} + +function downloadExtensionUpdate(uuid) { + if (!Main.extensionManager.updatesSupported) + return; + + let dir = Gio.File.new_for_path( + GLib.build_filenamev([global.userdatadir, 'extension-updates', uuid])); + + let params = { shell_version: Config.PACKAGE_VERSION }; + + let url = REPOSITORY_URL_DOWNLOAD.format(uuid); + let message = Soup.form_request_new_from_hash('GET', url, params); + + _httpSession.queue_message(message, session => { + gotExtensionZipFile(session, message, uuid, dir, () => { + Main.extensionManager.notifyExtensionUpdate(uuid); + }, (code, msg) => { + log('Error while downloading update for extension %s: %s (%s)'.format(uuid, code, msg)); + }); + }); +} + +function checkForUpdates() { + if (!Main.extensionManager.updatesSupported) + return; + + let metadatas = {}; + Main.extensionManager.getUuids().forEach(uuid => { + let extension = Main.extensionManager.lookup(uuid); + if (extension.type !== ExtensionUtils.ExtensionType.PER_USER) + return; + if (extension.hasUpdate) + return; + metadatas[uuid] = { + version: extension.metadata.version, + }; + }); + + if (Object.keys(metadatas).length === 0) + return; // nothing to update + + let versionCheck = global.settings.get_boolean( + 'disable-extension-version-validation'); + let params = { + shell_version: Config.PACKAGE_VERSION, + installed: JSON.stringify(metadatas), + disable_version_validation: versionCheck.toString(), + }; + + let url = REPOSITORY_URL_UPDATE; + let message = Soup.form_request_new_from_hash('GET', url, params); + _httpSession.queue_message(message, () => { + if (message.status_code != Soup.KnownStatusCode.OK) + return; + + let operations = JSON.parse(message.response_body.data); + for (let uuid in operations) { + let operation = operations[uuid]; + if (operation === 'upgrade' || operation === 'downgrade') + downloadExtensionUpdate(uuid); + } + }); +} + +var InstallExtensionDialog = GObject.registerClass( +class InstallExtensionDialog extends ModalDialog.ModalDialog { + _init(uuid, info, invocation) { + super._init({ styleClass: 'extension-dialog' }); + + this._uuid = uuid; + this._info = info; + this._invocation = invocation; + + this.setButtons([{ + label: _("Cancel"), + action: this._onCancelButtonPressed.bind(this), + key: Clutter.KEY_Escape, + }, { + label: _("Install"), + action: this._onInstallButtonPressed.bind(this), + default: true, + }]); + + let content = new Dialog.MessageDialogContent({ + title: _('Install Extension'), + description: _('Download and install “%s” from extensions.gnome.org?').format(info.name), + }); + + this.contentLayout.add(content); + } + + _onCancelButtonPressed() { + this.close(); + this._invocation.return_value(GLib.Variant.new('(s)', ['cancelled'])); + } + + _onInstallButtonPressed() { + let params = { shell_version: Config.PACKAGE_VERSION }; + + let url = REPOSITORY_URL_DOWNLOAD.format(this._uuid); + let message = Soup.form_request_new_from_hash('GET', url, params); + + let uuid = this._uuid; + let dir = Gio.File.new_for_path(GLib.build_filenamev([global.userdatadir, 'extensions', uuid])); + let invocation = this._invocation; + function errback(code, msg) { + log('Error while installing %s: %s (%s)'.format(uuid, code, msg)); + invocation.return_dbus_error('org.gnome.Shell.%s'.format(code), msg || ''); + } + + function callback() { + try { + let extension = Main.extensionManager.createExtensionObject(uuid, dir, ExtensionUtils.ExtensionType.PER_USER); + Main.extensionManager.loadExtension(extension); + if (!Main.extensionManager.enableExtension(uuid)) + throw new Error('Cannot add %s to enabled extensions gsettings key'.format(uuid)); + } catch (e) { + uninstallExtension(uuid); + errback('LoadExtensionError', e); + return; + } + + invocation.return_value(GLib.Variant.new('(s)', ['successful'])); + } + + _httpSession.queue_message(message, session => { + gotExtensionZipFile(session, message, uuid, dir, callback, errback); + }); + + this.close(); + } +}); + +function init() { + _httpSession = new Soup.Session({ ssl_use_system_ca_file: true }); + + // See: https://bugzilla.gnome.org/show_bug.cgi?id=655189 for context. + // _httpSession.add_feature(new Soup.ProxyResolverDefault()); + Soup.Session.prototype.add_feature.call(_httpSession, new Soup.ProxyResolverDefault()); +} |