New upstream version 0.28.2upstream/0.28.2

1 files changed, 48 insertions, 341 deletions

diff --git a/plugins/authenticator/shotwell/FlickrPublishingAuthenticator.vala b/plugins/authenticator/shotwell/FlickrPublishingAuthenticator.vala
index e389908..97629ed 100644
--- a/plugins/authenticator/shotwell/FlickrPublishingAuthenticator.vala
+++ b/plugins/authenticator/shotwell/FlickrPublishingAuthenticator.vala
@@ -4,318 +4,82 @@
  * (version 2.1 or later).  See the COPYING file in this distribution.
  */
 
+using Shotwell.Plugins;
+
 namespace Publishing.Authenticator.Shotwell.Flickr {
     internal const string ENDPOINT_URL = "https://api.flickr.com/services/rest";
     internal const string EXPIRED_SESSION_ERROR_CODE = "98";
-    internal const string ENCODE_RFC_3986_EXTRA = "!*'();:@&=+$,/?%#[] \\";
-
-    internal class Transaction : Publishing.RESTSupport.Transaction {
-        public Transaction(Session session, Publishing.RESTSupport.HttpMethod method =
-                Publishing.RESTSupport.HttpMethod.POST) {
-            base(session, method);
-            setup_arguments();
-        }
-
-        public Transaction.with_uri(Session session, string uri,
-                Publishing.RESTSupport.HttpMethod method = Publishing.RESTSupport.HttpMethod.POST) {
-            base.with_endpoint_url(session, uri, method);
-            setup_arguments();
-        }
-
-        private void setup_arguments() {
-            var session = (Session) get_parent_session();
-
-            add_argument("oauth_nonce", session.get_oauth_nonce());
-            add_argument("oauth_signature_method", "HMAC-SHA1");
-            add_argument("oauth_version", "1.0");
-            add_argument("oauth_callback", "oob");
-            add_argument("oauth_timestamp", session.get_oauth_timestamp());
-            add_argument("oauth_consumer_key", session.get_consumer_key());
-        }
-
-
-        public override void execute() throws Spit.Publishing.PublishingError {
-            ((Session) get_parent_session()).sign_transaction(this);
-
-            base.execute();
-        }
-    }
-
-    internal class Session : Publishing.RESTSupport.Session {
-        private string? request_phase_token = null;
-        private string? request_phase_token_secret = null;
-        private string? access_phase_token = null;
-        private string? access_phase_token_secret = null;
-        private string? username = null;
-        private string? consumer_key = null;
-        private string? consumer_secret = null;
-
-        public Session() {
-            base();
-        }
-
-        public override bool is_authenticated() {
-            return (access_phase_token != null && access_phase_token_secret != null &&
-                    username != null);
-        }
-
-        public void authenticate_from_persistent_credentials(string token, string secret,
-                string username) {
-            this.access_phase_token = token;
-            this.access_phase_token_secret = secret;
-            this.username = username;
-
-            this.authenticated();
-        }
-
-        public void deauthenticate() {
-            access_phase_token = null;
-            access_phase_token_secret = null;
-            username = null;
-        }
-
-        public void set_api_credentials(string consumer_key, string consumer_secret) {
-            this.consumer_key = consumer_key;
-            this.consumer_secret = consumer_secret;
-        }
-
-        public void sign_transaction(Publishing.RESTSupport.Transaction txn) {
-            string http_method = txn.get_method().to_string();
-
-            debug("signing transaction with parameters:");
-            debug("HTTP method = " + http_method);
-
-            Publishing.RESTSupport.Argument[] base_string_arguments = txn.get_arguments();
-
-            Publishing.RESTSupport.Argument[] sorted_args =
-                Publishing.RESTSupport.Argument.sort(base_string_arguments);
-
-            string arguments_string = "";
-            for (int i = 0; i < sorted_args.length; i++) {
-                arguments_string += (sorted_args[i].key + "=" + sorted_args[i].value);
-                if (i < sorted_args.length - 1)
-                    arguments_string += "&";
-            }
-
-            string? signing_key = null;
-            if (access_phase_token_secret != null) {
-                debug("access phase token secret available; using it as signing key");
-
-                signing_key = consumer_secret + "&" + access_phase_token_secret;
-            } else if (request_phase_token_secret != null) {
-                debug("request phase token secret available; using it as signing key");
-
-                signing_key = consumer_secret + "&" + request_phase_token_secret;
-            } else {
-                debug("neither access phase nor request phase token secrets available; using API " +
-                        "key as signing key");
-
-                signing_key = consumer_secret + "&";
-            }
-
-            string signature_base_string = http_method + "&" + Soup.URI.encode(
-                    txn.get_endpoint_url(), ENCODE_RFC_3986_EXTRA) + "&" +
-                Soup.URI.encode(arguments_string, ENCODE_RFC_3986_EXTRA);
-
-            debug("signature base string = '%s'", signature_base_string);
-
-            debug("signing key = '%s'", signing_key);
-
-            // compute the signature
-            string signature = RESTSupport.hmac_sha1(signing_key, signature_base_string);
-            signature = Soup.URI.encode(signature, ENCODE_RFC_3986_EXTRA);
-
-            debug("signature = '%s'", signature);
-
-            txn.add_argument("oauth_signature", signature);
-        }
-
-        public void set_request_phase_credentials(string token, string secret) {
-            this.request_phase_token = token;
-            this.request_phase_token_secret = secret;
-        }
-
-        public void set_access_phase_credentials(string token, string secret, string username) {
-            this.access_phase_token = token;
-            this.access_phase_token_secret = secret;
-            this.username = username;
-
-            authenticated();
-        }
-
-        public string get_oauth_nonce() {
-            TimeVal currtime = TimeVal();
-            currtime.get_current_time();
-
-            return Checksum.compute_for_string(ChecksumType.MD5, currtime.tv_sec.to_string() +
-                    currtime.tv_usec.to_string());
-        }
-
-        public string get_oauth_timestamp() {
-            return GLib.get_real_time().to_string().substring(0, 10);
-        }
-
-        public string get_consumer_key() {
-            assert(consumer_key != null);
-            return consumer_key;
-        }
-
-        public string get_request_phase_token() {
-            assert(request_phase_token != null);
-            return request_phase_token;
-        }
-
-        public string get_access_phase_token() {
-            assert(access_phase_token != null);
-            return access_phase_token;
-        }
 
-        public string get_access_phase_token_secret() {
-            assert(access_phase_token_secret != null);
-            return access_phase_token_secret;
-        }
-
-        public string get_username() {
-            assert(is_authenticated());
-            return username;
-        }
-    }
     internal const string API_KEY = "60dd96d4a2ad04888b09c9e18d82c26f";
     internal const string API_SECRET = "d0960565e03547c1";
 
     internal const string SERVICE_WELCOME_MESSAGE =
         _("You are not currently logged into Flickr.\n\nClick Log in to log into Flickr in your Web browser. You will have to authorize Shotwell Connect to link to your Flickr account.");
 
-    internal class AuthenticationRequestTransaction : Transaction {
-        public AuthenticationRequestTransaction(Session session) {
+    internal class AuthenticationRequestTransaction : Publishing.RESTSupport.OAuth1.Transaction {
+        public AuthenticationRequestTransaction(Publishing.RESTSupport.OAuth1.Session session) {
             base.with_uri(session, "https://www.flickr.com/services/oauth/request_token",
                     Publishing.RESTSupport.HttpMethod.GET);
+            add_argument("oauth_callback", "shotwell-auth%3A%2F%2Flocal-callback");
         }
     }
 
-    internal class AccessTokenFetchTransaction : Transaction {
-        public AccessTokenFetchTransaction(Session session, string user_verifier) {
+    internal class AccessTokenFetchTransaction : Publishing.RESTSupport.OAuth1.Transaction {
+        public AccessTokenFetchTransaction(Publishing.RESTSupport.OAuth1.Session session, string user_verifier) {
             base.with_uri(session, "https://www.flickr.com/services/oauth/access_token",
                     Publishing.RESTSupport.HttpMethod.GET);
             add_argument("oauth_verifier", user_verifier);
             add_argument("oauth_token", session.get_request_phase_token());
+            add_argument("oauth_callback", "shotwell-auth%3A%2F%2Flocal-callback");
         }
     }
 
-    internal class PinEntryPane : Spit.Publishing.DialogPane, GLib.Object {
-        private Gtk.Box pane_widget = null;
-        private Gtk.Button continue_button = null;
-        private Gtk.Entry pin_entry = null;
-        private Gtk.Label pin_entry_caption = null;
-        private Gtk.Label explanatory_text = null;
-        private Gtk.Builder builder = null;
-
-        public signal void proceed(PinEntryPane sender, string authorization_pin);
-
-        public PinEntryPane(Gtk.Builder builder) {
-            this.builder = builder;
-            assert(builder != null);
-            assert(builder.get_objects().length() > 0);
-
-            explanatory_text = builder.get_object("explanatory_text") as Gtk.Label;
-            pin_entry_caption = builder.get_object("pin_entry_caption") as Gtk.Label;
-            pin_entry = builder.get_object("pin_entry") as Gtk.Entry;
-            continue_button = builder.get_object("continue_button") as Gtk.Button;
-
-            pane_widget = builder.get_object("pane_widget") as Gtk.Box;
+    internal class WebAuthenticationPane : Common.WebAuthenticationPane {
+        private string? auth_code = null;
+        private const string LOGIN_URI = "https://www.flickr.com/services/oauth/authorize?oauth_token=%s&perms=write";
 
-            pane_widget.show_all();
+        public signal void authorized(string auth_code);
+        public signal void error();
 
-            on_pin_entry_contents_changed();
+        public WebAuthenticationPane(string token) {
+            Object(login_uri : LOGIN_URI.printf(token));
         }
 
-        private void on_continue_clicked() {
-            proceed(this, pin_entry.get_text());
-        }
+        public override void constructed() {
+            base.constructed();
 
-        private void on_pin_entry_contents_changed() {
-            continue_button.set_sensitive(pin_entry.text_length > 0);
+            var ctx = WebKit.WebContext.get_default();
+            ctx.register_uri_scheme("shotwell-auth", this.on_shotwell_auth_request_cb);
         }
 
-        public Gtk.Widget get_widget() {
-            return pane_widget;
-        }
+        public override void on_page_load() {
+            var uri = new Soup.URI(get_view().get_uri());
+            if (uri.scheme == "shotwell-auth" && this.auth_code == null) {
+                this.error();
+            }
 
-        public Spit.Publishing.DialogPane.GeometryOptions get_preferred_geometry() {
-            return Spit.Publishing.DialogPane.GeometryOptions.NONE;
+            if (this.auth_code != null) {
+                this.authorized(this.auth_code);
+            }
         }
 
-        public void on_pane_installed() {
-            continue_button.clicked.connect(on_continue_clicked);
-            pin_entry.changed.connect(on_pin_entry_contents_changed);
-        }
+        private void on_shotwell_auth_request_cb(WebKit.URISchemeRequest request) {
+            var uri = new Soup.URI(request.get_uri());
+            var form_data = Soup.Form.decode (uri.query);
+            this.auth_code = form_data.lookup("oauth_verifier");
 
-        public void on_pane_uninstalled() {
-            continue_button.clicked.disconnect(on_continue_clicked);
-            pin_entry.changed.disconnect(on_pin_entry_contents_changed);
+            var response = "";
+            var mins = new MemoryInputStream.from_data(response.data, null);
+            request.finish(mins, -1, "text/plain");
         }
     }
 
-
-    internal class Flickr : GLib.Object, Spit.Publishing.Authenticator {
-        private GLib.HashTable<string, Variant> params;
-        private Session session;
-        private Spit.Publishing.PluginHost host;
-
+    internal class Flickr : Publishing.Authenticator.Shotwell.OAuth1.Authenticator {
         public Flickr(Spit.Publishing.PluginHost host) {
-            base();
-
-            this.host = host;
-            params = new GLib.HashTable<string, Variant>(str_hash, str_equal);
-            params.insert("ConsumerKey", API_KEY);
-            params.insert("ConsumerSecret", API_SECRET);
-
-            session = new Session();
-            session.set_api_credentials(API_KEY, API_SECRET);
-            session.authenticated.connect(on_session_authenticated);
-        }
-
-        ~Flickr() {
-            session.authenticated.disconnect(on_session_authenticated);
-        }
-
-        public void invalidate_persistent_session() {
-            set_persistent_access_phase_token("");
-            set_persistent_access_phase_token_secret("");
-            set_persistent_access_phase_username("");
-        }
-
-        private bool is_persistent_session_valid() {
-            return (get_persistent_access_phase_username() != null &&
-                    get_persistent_access_phase_token() != null &&
-                    get_persistent_access_phase_token_secret() != null);
-        }
-
-        private string? get_persistent_access_phase_username() {
-            return host.get_config_string("access_phase_username", null);
-        }
-
-        private void set_persistent_access_phase_username(string username) {
-            host.set_config_string("access_phase_username", username);
-        }
-
-        private string? get_persistent_access_phase_token() {
-            return host.get_config_string("access_phase_token", null);
+            base(API_KEY, API_SECRET, host);
         }
 
-        private void set_persistent_access_phase_token(string token) {
-            host.set_config_string("access_phase_token", token);
-        }
-
-        private string? get_persistent_access_phase_token_secret() {
-            return host.get_config_string("access_phase_token_secret", null);
-        }
-
-        private void set_persistent_access_phase_token_secret(string secret) {
-            host.set_config_string("access_phase_token_secret", secret);
-        }
-
-        public void authenticate() {
+        public override void authenticate() {
             if (is_persistent_session_valid()) {
                 debug("attempt start: a persistent session is available; using it");
 
@@ -327,20 +91,16 @@ namespace Publishing.Authenticator.Shotwell.Flickr {
             }
         }
 
-        public bool can_logout() {
+        public override bool can_logout() {
             return true;
         }
 
-        public GLib.HashTable<string, Variant> get_authentication_parameter() {
-            return this.params;
-        }
-
-        public void logout () {
+        public override void logout () {
             session.deauthenticate();
             invalidate_persistent_session();
         }
 
-        public void refresh() {
+        public override void refresh() {
             // No-Op with flickr
         }
 
@@ -419,59 +179,18 @@ namespace Publishing.Authenticator.Shotwell.Flickr {
 
             session.set_request_phase_credentials(token, token_secret);
 
-            do_launch_system_browser(token);
+            do_web_authentication(token);
         }
 
-        private void on_system_browser_launched() {
-            debug("EVENT: system browser launched.");
-
-            do_show_pin_entry_pane();
+        private void do_web_authentication(string token) {
+            var pane = new WebAuthenticationPane(token);
+            host.install_dialog_pane(pane);
+            pane.authorized.connect(this.do_verify_pin);
+            pane.error.connect(this.on_web_login_error);
         }
 
-        private void on_pin_entry_proceed(PinEntryPane sender, string pin) {
-            sender.proceed.disconnect(on_pin_entry_proceed);
-
-            debug("EVENT: user clicked 'Continue' in PIN entry pane.");
-
-            do_verify_pin(pin);
-        }
-
-        private void do_launch_system_browser(string token) {
-            string login_uri = "https://www.flickr.com/services/oauth/authorize?oauth_token=" + token +
-                "&perms=write";
-
-            debug("ACTION: launching system browser with uri = '%s'", login_uri);
-
-            try {
-                Process.spawn_command_line_async("xdg-open " + login_uri);
-            } catch (SpawnError e) {
-                host.post_error(new Spit.Publishing.PublishingError.LOCAL_FILE_ERROR(
-                            "couldn't launch system web browser to complete Flickr login"));
-                return;
-            }
-
-            on_system_browser_launched();
-        }
-
-        private void do_show_pin_entry_pane() {
-            debug("ACTION: showing PIN entry pane");
-
-            Gtk.Builder builder = new Gtk.Builder();
-
-            try {
-                builder.add_from_resource (Resources.RESOURCE_PATH + "/" +
-                        "flickr_pin_entry_pane.ui");
-            } catch (Error e) {
-                warning("Could not parse UI file! Error: %s.", e.message);
-                host.post_error(
-                        new Spit.Publishing.PublishingError.LOCAL_FILE_ERROR(
-                            _("A file required for publishing is unavailable. Publishing to Flickr can’t continue.")));
-                return;
-            }
-
-            PinEntryPane pin_entry_pane = new PinEntryPane(builder);
-            pin_entry_pane.proceed.connect(on_pin_entry_proceed);
-            host.install_dialog_pane(pin_entry_pane);
+        private void on_web_login_error() {
+            host.post_error(new Spit.Publishing.PublishingError.PROTOCOL_ERROR(_("Flickr authorization failed")));
         }
 
         private void do_verify_pin(string pin) {
@@ -536,17 +255,5 @@ namespace Publishing.Authenticator.Shotwell.Flickr {
             }
         }
 
-        private void on_session_authenticated() {
-            params.insert("AuthToken", session.get_access_phase_token());
-            params.insert("AuthTokenSecret", session.get_access_phase_token_secret());
-            params.insert("Username", session.get_username());
-
-            set_persistent_access_phase_token(session.get_access_phase_token());
-            set_persistent_access_phase_token_secret(session.get_access_phase_token_secret());
-            set_persistent_access_phase_username(session.get_username());
-
-
-            this.authenticated();
-        }
     }
 }