Adding upstream version 3.38.6.upstream/3.38.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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());
+}