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-rw-r--r--js/ui/extensionDownloader.js248
1 files changed, 248 insertions, 0 deletions
diff --git a/js/ui/extensionDownloader.js b/js/ui/extensionDownloader.js
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+// -*- 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 ā€œ%sā€ 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());
+}