Merge branch 'feature/upstream' into develop

1 files changed, 262 insertions, 0 deletions

diff --git a/plugins/authenticator/shotwell/TumblrAuthenticator.vala b/plugins/authenticator/shotwell/TumblrAuthenticator.vala
new file mode 100644
index 0000000..35fdce9
--- /dev/null
+++ b/plugins/authenticator/shotwell/TumblrAuthenticator.vala
@@ -0,0 +1,262 @@
+/* Copyright 2012 BJA Electronics
+ * Copyright 2017 Jens Georg
+ * Author: Jeroen Arnoldus (b.j.arnoldus@bja-electronics.nl)
+ * Author: Jens Georg <mail@jensge.org>
+ *
+ * This software is licensed under the GNU Lesser General Public License
+ * (version 2.1 or later).  See the COPYING file in this distribution.
+ */
+
+namespace Publishing.Authenticator.Shotwell.Tumblr {
+    internal const string ENDPOINT_URL = "https://www.tumblr.com/";
+    internal const string API_KEY = "NdXvXQuKVccOsCOj0H4k9HUJcbcjDBYSo2AkaHzXFECHGNuP9k";
+    internal const string API_SECRET = "BN0Uoig0MwbeD27OgA0IwYlp3Uvonyfsrl9pf1cnnMj1QoEUvi";
+    internal const string ENCODE_RFC_3986_EXTRA = "!*'();:@&=+$,/?%#[] \\";
+
+    /**
+     * The authentication pane used when asking service URL, user name and password
+     * from the user.
+     */
+    internal class AuthenticationPane : Spit.Publishing.DialogPane, Object {
+        public enum Mode {
+            INTRO,
+            FAILED_RETRY_USER
+        }
+        private static string INTRO_MESSAGE = _("Enter the username and password associated with your Tumblr account.");
+        private static string FAILED_RETRY_USER_MESSAGE = _("Username and/or password invalid. Please try again");
+
+        private Gtk.Box pane_widget = null;
+        private Gtk.Builder builder;
+        private Gtk.Entry username_entry;
+        private Gtk.Entry password_entry;
+        private Gtk.Button login_button;
+
+        public signal void login(string user, string password);
+
+        public AuthenticationPane(Mode mode = Mode.INTRO) {
+            this.pane_widget = new Gtk.Box(Gtk.Orientation.VERTICAL, 0);
+
+            try {
+                builder = new Gtk.Builder();
+                builder.add_from_resource (Resources.RESOURCE_PATH + "/tumblr_authentication_pane.ui");
+                builder.connect_signals(null);
+                var content = builder.get_object ("content") as Gtk.Widget;
+
+                Gtk.Label message_label = builder.get_object("message_label") as Gtk.Label;
+                switch (mode) {
+                    case Mode.INTRO:
+                        message_label.set_text(INTRO_MESSAGE);
+                        break;
+
+                    case Mode.FAILED_RETRY_USER:
+                        message_label.set_markup("<b>%s</b>\n\n%s".printf(_(
+                                        "Invalid User Name or Password"), FAILED_RETRY_USER_MESSAGE));
+                        break;
+                }
+
+                username_entry = builder.get_object ("username_entry") as Gtk.Entry;
+
+                password_entry = builder.get_object ("password_entry") as Gtk.Entry;
+
+
+
+                login_button = builder.get_object("login_button") as Gtk.Button;
+
+                username_entry.changed.connect(on_user_changed);
+                password_entry.changed.connect(on_password_changed);
+                login_button.clicked.connect(on_login_button_clicked);
+
+                content.parent.remove (content);
+                pane_widget.add (content);
+            } catch (Error e) {
+                warning(_("Could not load UI: %s"), e.message);
+            }
+        }
+
+        public Gtk.Widget get_default_widget() {
+            return login_button;
+        }
+
+        private void on_login_button_clicked() {
+            login(username_entry.get_text(),
+                    password_entry.get_text());
+        }
+
+
+        private void on_user_changed() {
+            update_login_button_sensitivity();
+        }
+
+        private void on_password_changed() {
+            update_login_button_sensitivity();
+        }
+
+        private void update_login_button_sensitivity() {
+            login_button.set_sensitive(username_entry.text_length > 0 &&
+                    password_entry.text_length > 0);
+        }
+
+        public Gtk.Widget get_widget() {
+            return pane_widget;
+        }
+
+        public Spit.Publishing.DialogPane.GeometryOptions get_preferred_geometry() {
+            return Spit.Publishing.DialogPane.GeometryOptions.NONE;
+        }
+
+        public void on_pane_installed() {
+            username_entry.grab_focus();
+            password_entry.set_activates_default(true);
+            login_button.can_default = true;
+            update_login_button_sensitivity();
+        }
+
+        public void on_pane_uninstalled() {
+        }
+    }
+
+    internal class AccessTokenFetchTransaction : Publishing.RESTSupport.OAuth1.Transaction {
+        public AccessTokenFetchTransaction(Publishing.RESTSupport.OAuth1.Session session, string username, string password) {
+            base.with_uri(session, "https://www.tumblr.com/oauth/access_token",
+                    Publishing.RESTSupport.HttpMethod.POST);
+            add_argument("x_auth_username", Soup.URI.encode(username, ENCODE_RFC_3986_EXTRA));
+            add_argument("x_auth_password", password);
+            add_argument("x_auth_mode", "client_auth");
+        }
+    }
+
+    internal class Tumblr : Publishing.Authenticator.Shotwell.OAuth1.Authenticator {
+        public Tumblr(Spit.Publishing.PluginHost host) {
+            base(API_KEY, API_SECRET, host);
+        }
+
+        public override void authenticate() {
+            if (is_persistent_session_valid()) {
+                debug("attempt start: a persistent session is available; using it");
+
+                session.authenticate_from_persistent_credentials(get_persistent_access_phase_token(),
+                        get_persistent_access_phase_token_secret(), "");
+            } else {
+                debug("attempt start: no persistent session available; showing login welcome pane");
+
+                do_show_authentication_pane();
+            }
+        }
+
+        public override bool can_logout() {
+            return true;
+        }
+
+        public override void logout() {
+            this.session.deauthenticate();
+            invalidate_persistent_session();
+        }
+
+        public override void refresh() {
+            // No-op with Tumblr
+        }
+
+        /**
+         * Action that shows the authentication pane.
+         *
+         * This action method shows the authentication pane. It is shown at the
+         * very beginning of the interaction when no persistent parameters are found
+         * or after a failed login attempt using persisted parameters. It can be
+         * given a mode flag to specify whether it should be displayed in initial
+         * mode or in any of the error modes that it supports.
+         *
+         * @param mode the mode for the authentication pane
+         */
+        private void do_show_authentication_pane(AuthenticationPane.Mode mode = AuthenticationPane.Mode.INTRO) {
+            debug("ACTION: installing authentication pane");
+
+            host.set_service_locked(false);
+            AuthenticationPane authentication_pane = new AuthenticationPane(mode);
+            authentication_pane.login.connect(on_authentication_pane_login_clicked);
+            host.install_dialog_pane(authentication_pane, Spit.Publishing.PluginHost.ButtonMode.CLOSE);
+            host.set_dialog_default_widget(authentication_pane.get_default_widget());
+        }
+
+        /**
+         * Event triggered when the login button in the authentication panel is
+         * clicked.
+         *
+         * This event is triggered when the login button in the authentication
+         * panel is clicked. It then triggers a network login interaction.
+         *
+         * @param username the name of the Tumblr user as entered in the dialog
+         * @param password the password of the Tumblr as entered in the dialog
+         */
+        private void on_authentication_pane_login_clicked( string username, string password ) {
+            debug("EVENT: on_authentication_pane_login_clicked");
+
+            do_network_login(username, password);
+        }
+
+        /**
+         * Action to perform a network login to a Tumblr blog.
+         *
+         * This action performs a network login a Tumblr blog specified the given user name and password as credentials.
+         *
+         * @param username the name of the Tumblr user used to login
+         * @param password the password of the Tumblr user used to login
+         */
+        private void do_network_login(string username, string password) {
+            debug("ACTION: logging in");
+            host.set_service_locked(true);
+            host.install_login_wait_pane();
+
+            AccessTokenFetchTransaction txn = new AccessTokenFetchTransaction(session,username,password);
+            txn.completed.connect(on_auth_request_txn_completed);
+            txn.network_error.connect(on_auth_request_txn_error);
+
+            try {
+                txn.execute();
+            } catch (Spit.Publishing.PublishingError err) {
+                host.post_error(err);
+            }
+        }
+
+        private void on_auth_request_txn_completed(Publishing.RESTSupport.Transaction txn) {
+            txn.completed.disconnect(on_auth_request_txn_completed);
+            txn.network_error.disconnect(on_auth_request_txn_error);
+
+            debug("EVENT: OAuth authentication request transaction completed; response = '%s'",
+                  txn.get_response());
+
+            do_parse_token_info_from_auth_request(txn.get_response());
+        }
+
+        private void on_auth_request_txn_error(Publishing.RESTSupport.Transaction txn,
+                                               Spit.Publishing.PublishingError err) {
+            txn.completed.disconnect(on_auth_request_txn_completed);
+            txn.network_error.disconnect(on_auth_request_txn_error);
+
+            debug("EVENT: OAuth authentication request transaction caused a network error");
+            host.post_error(err);
+        }
+
+        private void do_parse_token_info_from_auth_request(string response) {
+            debug("ACTION: extracting access phase credentials from '%s'", response);
+
+            string? token = null;
+            string? token_secret = null;
+
+            var data = Soup.Form.decode(response);
+            data.lookup_extended("oauth_token", null, out token);
+            data.lookup_extended("oauth_token_secret", null, out token_secret);
+
+            debug("access phase credentials: { token = '%s'; token_secret = '%s' }",
+                    token, token_secret);
+
+            if (token == null || token_secret == null) {
+                host.post_error(new Spit.Publishing.PublishingError.MALFORMED_RESPONSE("Expected " +
+                            "access phase credentials to contain token and token secret but at " +
+                            "least one of these is absent"));
+                this.authentication_failed();
+            } else {
+                session.set_access_phase_credentials(token, token_secret, "");
+            }
+        }
+    }
+}