273 lines
9.9 KiB
JavaScript
273 lines
9.9 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Lang = imports.lang;
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const Clutter = imports.gi.Clutter;
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const GLib = imports.gi.GLib;
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const Gio = imports.gi.Gio;
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const Soup = imports.gi.Soup;
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const St = imports.gi.St;
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const Shell = imports.gi.Shell;
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const Config = imports.misc.config;
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const ExtensionUtils = imports.misc.extensionUtils;
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const ExtensionSystem = imports.ui.extensionSystem;
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const FileUtils = imports.misc.fileUtils;
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const ModalDialog = imports.ui.modalDialog;
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const _signals = ExtensionSystem._signals;
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const REPOSITORY_URL_BASE = 'https://extensions.gnome.org';
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const REPOSITORY_URL_DOWNLOAD = REPOSITORY_URL_BASE + '/download-extension/%s.shell-extension.zip';
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const REPOSITORY_URL_INFO = REPOSITORY_URL_BASE + '/extension-info/';
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const REPOSITORY_URL_UPDATE = REPOSITORY_URL_BASE + '/update-info/';
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let _httpSession;
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function installExtension(uuid, invocation) {
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let params = { uuid: uuid,
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shell_version: Config.PACKAGE_VERSION };
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let message = Soup.form_request_new_from_hash('GET', REPOSITORY_URL_INFO, params);
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_httpSession.queue_message(message, function(session, message) {
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if (message.status_code != Soup.KnownStatusCode.OK) {
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ExtensionSystem.logExtensionError(uuid, 'downloading info: ' + message.status_code);
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invocation.return_dbus_error('org.gnome.Shell.DownloadInfoError', message.status_code.toString());
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return;
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}
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let info;
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try {
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info = JSON.parse(message.response_body.data);
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} catch (e) {
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ExtensionSystem.logExtensionError(uuid, 'parsing info: ' + e);
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invocation.return_dbus_error('org.gnome.Shell.ParseInfoError', e.toString());
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return;
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}
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let dialog = new InstallExtensionDialog(uuid, info, invocation);
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dialog.open(global.get_current_time());
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});
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}
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function uninstallExtension(uuid) {
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let extension = ExtensionUtils.extensions[uuid];
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if (!extension)
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return false;
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// Don't try to uninstall system extensions
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if (extension.type != ExtensionUtils.ExtensionType.PER_USER)
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return false;
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if (!ExtensionSystem.unloadExtension(extension))
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return false;
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FileUtils.recursivelyDeleteDir(extension.dir, true);
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return true;
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}
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function gotExtensionZipFile(session, message, uuid, dir, callback, errback) {
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if (message.status_code != Soup.KnownStatusCode.OK) {
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errback('DownloadExtensionError', message.status_code);
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return;
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}
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try {
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if (!dir.query_exists(null))
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dir.make_directory_with_parents(null);
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} catch (e) {
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errback('CreateExtensionDirectoryError', e);
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return;
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}
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let [file, stream] = Gio.File.new_tmp('XXXXXX.shell-extension.zip');
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let contents = message.response_body.flatten().get_as_bytes();
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stream.output_stream.write_bytes(contents, null);
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stream.close(null);
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let [success, pid] = GLib.spawn_async(null,
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['unzip', '-uod', dir.get_path(), '--', file.get_path()],
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null,
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GLib.SpawnFlags.SEARCH_PATH | GLib.SpawnFlags.DO_NOT_REAP_CHILD,
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null);
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if (!success) {
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errback('ExtractExtensionError');
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return;
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}
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GLib.child_watch_add(GLib.PRIORITY_DEFAULT, pid, function(pid, status) {
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GLib.spawn_close_pid(pid);
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if (status != 0)
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errback('ExtractExtensionError');
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else
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callback();
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});
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}
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function updateExtension(uuid) {
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// This gets a bit tricky. We want the update to be seamless -
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// if we have any error during downloading or extracting, we
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// want to not unload the current version.
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let oldExtensionTmpDir = GLib.Dir.make_tmp('XXXXXX-shell-extension');
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let newExtensionTmpDir = GLib.Dir.make_tmp('XXXXXX-shell-extension');
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let params = { shell_version: Config.PACKAGE_VERSION };
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let url = REPOSITORY_URL_DOWNLOAD.format(uuid);
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let message = Soup.form_request_new_from_hash('GET', url, params);
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_httpSession.queue_message(message, Lang.bind(this, function(session, message) {
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gotExtensionZipFile(session, message, uuid, newExtensionTmpDir, function() {
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let oldExtension = ExtensionUtils.extensions[uuid];
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let extensionDir = oldExtension.dir;
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if (!ExtensionSystem.unloadExtension(oldExtension))
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return;
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FileUtils.recursivelyMoveDir(extensionDir, oldExtensionTmpDir);
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FileUtils.recursivelyMoveDir(newExtensionTmpDir, extensionDir);
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let extension = ExtensionUtils.createExtensionObject(uuid, extensionDir, ExtensionUtils.ExtensionType.PER_USER);
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try {
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ExtensionSystem.loadExtension(extension);
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} catch(e) {
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ExtensionSystem.unloadExtension(extension);
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logError(e, 'Error loading extension %s'.format(uuid));
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FileUtils.recursivelyDeleteDir(extensionDir, false);
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FileUtils.recursivelyMoveDir(oldExtensionTmpDir, extensionDir);
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// Restore what was there before. We can't do much if we
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// fail here.
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ExtensionSystem.loadExtension(oldExtension);
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return;
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}
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FileUtils.recursivelyDeleteDir(oldExtensionTmpDir, true);
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}, function(code, message) {
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log('Error while updating extension %s: %s (%s)'.format(uuid, code, message ? message : ''));
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});
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}));
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}
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function checkForUpdates() {
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let metadatas = {};
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for (let uuid in ExtensionUtils.extensions) {
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metadatas[uuid] = ExtensionUtils.extensions[uuid].metadata;
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}
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let params = { shell_version: Config.PACKAGE_VERSION,
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installed: JSON.stringify(metadatas) };
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let url = REPOSITORY_URL_UPDATE;
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let message = Soup.form_request_new_from_hash('GET', url, params);
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_httpSession.queue_message(message, function(session, message) {
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if (message.status_code != Soup.KnownStatusCode.OK)
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return;
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let operations = JSON.parse(message.response_body.data);
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for (let uuid in operations) {
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let operation = operations[uuid];
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if (operation == 'blacklist')
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uninstallExtension(uuid);
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else if (operation == 'upgrade' || operation == 'downgrade')
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updateExtension(uuid);
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}
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});
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}
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const InstallExtensionDialog = new Lang.Class({
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Name: 'InstallExtensionDialog',
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Extends: ModalDialog.ModalDialog,
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_init: function(uuid, info, invocation) {
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this.parent({ styleClass: 'extension-dialog' });
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this._uuid = uuid;
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this._info = info;
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this._invocation = invocation;
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this.setButtons([{ label: _("Cancel"),
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action: Lang.bind(this, this._onCancelButtonPressed),
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key: Clutter.Escape
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},
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{ label: _("Install"),
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action: Lang.bind(this, this._onInstallButtonPressed),
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default: true
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}]);
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let message = _("Download and install “%s” from extensions.gnome.org?").format(info.name);
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let box = new St.BoxLayout({ style_class: 'prompt-dialog-main-layout',
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vertical: false });
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this.contentLayout.add(box);
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let gicon = new Gio.FileIcon({ file: Gio.File.new_for_uri(REPOSITORY_URL_BASE + info.icon) })
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let icon = new St.Icon({ gicon: gicon });
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box.add(icon);
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let label = new St.Label({ style_class: 'prompt-dialog-headline headline',
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text: message });
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box.add(label);
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},
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_onCancelButtonPressed: function(button, event) {
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this.close();
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this._invocation.return_value(GLib.Variant.new('(s)', ['cancelled']));
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},
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_onInstallButtonPressed: function(button, event) {
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let params = { shell_version: Config.PACKAGE_VERSION };
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let url = REPOSITORY_URL_DOWNLOAD.format(this._uuid);
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let message = Soup.form_request_new_from_hash('GET', url, params);
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let uuid = this._uuid;
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let dir = Gio.File.new_for_path(GLib.build_filenamev([global.userdatadir, 'extensions', uuid]));
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let invocation = this._invocation;
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function errback(code, message) {
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invocation.return_dbus_error('org.gnome.Shell.' + code, message ? message.toString() : '');
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}
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function callback() {
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// Add extension to 'enabled-extensions' for the user, always...
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let enabledExtensions = global.settings.get_strv(ExtensionSystem.ENABLED_EXTENSIONS_KEY);
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if (enabledExtensions.indexOf(uuid) == -1) {
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enabledExtensions.push(uuid);
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global.settings.set_strv(ExtensionSystem.ENABLED_EXTENSIONS_KEY, enabledExtensions);
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}
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let extension = ExtensionUtils.createExtensionObject(uuid, dir, ExtensionUtils.ExtensionType.PER_USER);
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try {
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ExtensionSystem.loadExtension(extension);
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} catch(e) {
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uninstallExtension(uuid);
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errback('LoadExtensionError', e);
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return;
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}
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invocation.return_value(GLib.Variant.new('(s)', 'successful'));
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}
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_httpSession.queue_message(message, Lang.bind(this, function(session, message) {
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gotExtensionZipFile(session, message, uuid, dir, callback, errback);
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}));
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this.close();
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}
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});
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function init() {
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_httpSession = new Soup.SessionAsync({ ssl_use_system_ca_file: true });
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// See: https://bugzilla.gnome.org/show_bug.cgi?id=655189 for context.
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// _httpSession.add_feature(new Soup.ProxyResolverDefault());
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Soup.Session.prototype.add_feature.call(_httpSession, new Soup.ProxyResolverDefault());
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}
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