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authorJörg Frings-Fürst <debian@jff.email>2019-07-12 16:16:34 +0200
committerJörg Frings-Fürst <debian@jff.email>2019-07-12 16:16:34 +0200
commite905afb102569e93e2f6ece9a9ab515ac1fd4f04 (patch)
tree56c764f3a3fe3848ef2aa161d143f33cb2eaeb8e /plugins/shotwell-publishing/PhotosPublisher.vala
parent71137cc5832110d91599d68790402cf196762ed3 (diff)
parentcb774d1baf242adcc03a1df5eed6d100f7e3bd55 (diff)
Merge branch 'release/debian/0.30.4-1'debian/0.30.4-1
Diffstat (limited to 'plugins/shotwell-publishing/PhotosPublisher.vala')
-rw-r--r--plugins/shotwell-publishing/PhotosPublisher.vala551
1 files changed, 551 insertions, 0 deletions
diff --git a/plugins/shotwell-publishing/PhotosPublisher.vala b/plugins/shotwell-publishing/PhotosPublisher.vala
new file mode 100644
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+++ b/plugins/shotwell-publishing/PhotosPublisher.vala
@@ -0,0 +1,551 @@
+/* Copyright 2016 Software Freedom Conservancy Inc.
+ * Copyright 2019 Jens Georg <mail@jensge.org>
+ *
+ * This software is licensed under the GNU LGPL (version 2.1 or later).
+ * See the COPYING file in this distribution.
+ */
+
+namespace Publishing.GooglePhotos {
+internal const string DEFAULT_ALBUM_NAME = N_("Shotwell Connect");
+
+internal class Album {
+ public string name;
+ public string id;
+
+ public Album(string name, string id) {
+ this.name = name;
+ this.id = id;
+ }
+}
+
+internal class PublishingParameters {
+ public const int ORIGINAL_SIZE = -1;
+
+ private string? target_album_name;
+ private string? target_album_id;
+ private bool album_public;
+ private bool strip_metadata;
+ private int major_axis_size_pixels;
+ private int major_axis_size_selection_id;
+ private string user_name;
+ private Album[] albums;
+ private Spit.Publishing.Publisher.MediaType media_type;
+
+ public PublishingParameters() {
+ this.user_name = "[unknown]";
+ this.target_album_name = null;
+ this.target_album_id = null;
+ this.major_axis_size_selection_id = 0;
+ this.major_axis_size_pixels = ORIGINAL_SIZE;
+ this.album_public = false;
+ this.albums = null;
+ this.strip_metadata = false;
+ this.media_type = Spit.Publishing.Publisher.MediaType.PHOTO;
+ }
+
+ public string get_target_album_name() {
+ return target_album_name;
+ }
+
+ public void set_target_album_name(string target_album_name) {
+ this.target_album_name = target_album_name;
+ }
+
+ public void set_target_album_entry_id(string target_album_id) {
+ this.target_album_id = target_album_id;
+ }
+
+ public string get_target_album_entry_id() {
+ return this.target_album_id;
+ }
+
+ public string get_user_name() {
+ return user_name;
+ }
+
+ public void set_user_name(string user_name) {
+ this.user_name = user_name;
+ }
+
+ public Album[] get_albums() {
+ return albums;
+ }
+
+ public void set_albums(Album[] albums) {
+ this.albums = albums;
+ }
+
+
+ public void set_major_axis_size_pixels(int pixels) {
+ this.major_axis_size_pixels = pixels;
+ }
+
+ public int get_major_axis_size_pixels() {
+ return major_axis_size_pixels;
+ }
+
+ public void set_major_axis_size_selection_id(int selection_id) {
+ this.major_axis_size_selection_id = selection_id;
+ }
+
+ public int get_major_axis_size_selection_id() {
+ return major_axis_size_selection_id;
+ }
+
+ public void set_strip_metadata(bool strip_metadata) {
+ this.strip_metadata = strip_metadata;
+ }
+
+ public bool get_strip_metadata() {
+ return strip_metadata;
+ }
+
+ public void set_media_type(Spit.Publishing.Publisher.MediaType media_type) {
+ this.media_type = media_type;
+ }
+
+ public Spit.Publishing.Publisher.MediaType get_media_type() {
+ return media_type;
+ }
+}
+
+private class MediaCreationTransaction : Publishing.RESTSupport.GooglePublisher.AuthenticatedTransaction {
+ private const string ENDPOINT_URL = "https://photoslibrary.googleapis.com/v1/mediaItems:batchCreate";
+ private string[] upload_tokens;
+ private string[] titles;
+ private string album_id;
+
+ public MediaCreationTransaction(Publishing.RESTSupport.GoogleSession session,
+ string[] upload_tokens,
+ string[] titles,
+ string album_id) {
+ base(session, ENDPOINT_URL, Publishing.RESTSupport.HttpMethod.POST);
+ assert(upload_tokens.length == titles.length);
+ this.upload_tokens = upload_tokens;
+ this.album_id = album_id;
+ this.titles = titles;
+ }
+
+ public override void execute () throws Spit.Publishing.PublishingError {
+ var builder = new Json.Builder();
+ builder.begin_object();
+ builder.set_member_name("albumId");
+ builder.add_string_value(this.album_id);
+ builder.set_member_name("newMediaItems");
+ builder.begin_array();
+ for (var i = 0; i < this.upload_tokens.length; i++) {
+ builder.begin_object();
+ builder.set_member_name("description");
+ builder.add_string_value(this.titles[i]);
+ builder.set_member_name("simpleMediaItem");
+ builder.begin_object();
+ builder.set_member_name("uploadToken");
+ builder.add_string_value(this.upload_tokens[i]);
+ builder.end_object();
+ builder.end_object();
+ }
+ builder.end_array();
+ builder.end_object();
+ set_custom_payload(Json.to_string (builder.get_root (), false), "application/json");
+
+ base.execute();
+ }
+}
+
+private class AlbumCreationTransaction : Publishing.RESTSupport.GooglePublisher.AuthenticatedTransaction {
+ private const string ENDPOINT_URL = "https://photoslibrary.googleapis.com/v1/albums";
+ private string title;
+
+ public AlbumCreationTransaction(Publishing.RESTSupport.GoogleSession session,
+ string title) {
+ base(session, ENDPOINT_URL, Publishing.RESTSupport.HttpMethod.POST);
+ this.title = title;
+ }
+
+ public override void execute () throws Spit.Publishing.PublishingError {
+ var builder = new Json.Builder();
+ builder.begin_object();
+ builder.set_member_name("album");
+ builder.begin_object();
+ builder.set_member_name("title");
+ builder.add_string_value(this.title);
+ builder.end_object();
+ builder.end_object();
+ set_custom_payload(Json.to_string (builder.get_root (), false), "application/json");
+
+ base.execute();
+ }
+}
+
+private class AlbumDirectoryTransaction : Publishing.RESTSupport.GooglePublisher.AuthenticatedTransaction {
+ private const string ENDPOINT_URL = "https://photoslibrary.googleapis.com/v1/albums";
+ private Album[] albums = new Album[0];
+
+ public AlbumDirectoryTransaction(Publishing.RESTSupport.GoogleSession session) {
+ base(session, ENDPOINT_URL, Publishing.RESTSupport.HttpMethod.GET);
+ this.completed.connect(on_internal_continue_pagination);
+ }
+
+ public Album[] get_albums() {
+ return this.albums;
+ }
+
+ private void on_internal_continue_pagination() {
+ try {
+ debug(this.get_response());
+ var json = Json.from_string (this.get_response());
+ var object = json.get_object ();
+ if (!object.has_member ("albums")) {
+ return;
+ }
+
+ var pagination_token_node = object.get_member ("nextPageToken");
+ var response_albums = object.get_member ("albums").get_array();
+ response_albums.foreach_element( (a, b, element) => {
+ var album = element.get_object();
+ var is_writable = album.get_member("isWriteable");
+ if (is_writable != null && is_writable.get_boolean())
+ albums += new Album(album.get_string_member("title"), album.get_string_member("id"));
+ });
+
+ if (pagination_token_node != null) {
+ this.set_argument ("pageToken", pagination_token_node.get_string ());
+ Signal.stop_emission_by_name (this, "completed");
+ Idle.add(() => {
+ try {
+ this.execute();
+ } catch (Spit.Publishing.PublishingError error) {
+ this.network_error(error);
+ }
+
+ return false;
+ });
+ }
+ } catch (Error error) {
+ critical ("Got error %s while trying to parse response, delegating", error.message);
+ this.network_error(new Spit.Publishing.PublishingError.MALFORMED_RESPONSE(error.message));
+ }
+ }
+}
+
+public class Publisher : Publishing.RESTSupport.GooglePublisher {
+ private Spit.Publishing.Authenticator authenticator;
+ private bool running = false;
+ private PublishingParameters publishing_parameters;
+ private Spit.Publishing.ProgressCallback progress_reporter;
+
+ public Publisher(Spit.Publishing.Service service,
+ Spit.Publishing.PluginHost host) {
+ base(service, host, "https://www.googleapis.com/auth/photoslibrary");
+
+ this.publishing_parameters = new PublishingParameters();
+ load_parameters_from_configuration_system(publishing_parameters);
+
+ var media_type = Spit.Publishing.Publisher.MediaType.NONE;
+ foreach(Spit.Publishing.Publishable p in host.get_publishables())
+ media_type |= p.get_media_type();
+
+ publishing_parameters.set_media_type(media_type);
+ }
+
+ private void load_parameters_from_configuration_system(PublishingParameters parameters) {
+ parameters.set_major_axis_size_selection_id(get_host().get_config_int("default-size", 0));
+ parameters.set_strip_metadata(get_host().get_config_bool("strip-metadata", false));
+ parameters.set_target_album_name(get_host().get_config_string("last-album", null));
+ }
+
+ private void save_parameters_to_configuration_system(PublishingParameters parameters) {
+ get_host().set_config_int("default-size", parameters.get_major_axis_size_selection_id());
+ get_host().set_config_bool("strip_metadata", parameters.get_strip_metadata());
+ get_host().set_config_string("last-album", parameters.get_target_album_name());
+ }
+
+ protected override void on_login_flow_complete() {
+ debug("EVENT: OAuth login flow complete.");
+ this.publishing_parameters.set_user_name (this.authenticator.get_authentication_parameter()["UserName"].get_string());
+
+ get_host().install_account_fetch_wait_pane();
+ get_host().set_service_locked(true);
+
+ AlbumDirectoryTransaction txn = new AlbumDirectoryTransaction(get_session());
+ txn.completed.connect(on_initial_album_fetch_complete);
+ txn.network_error.connect(on_initial_album_fetch_error);
+
+ try {
+ txn.execute();
+ } catch (Spit.Publishing.PublishingError error) {
+ on_initial_album_fetch_error(txn, error);
+ }
+ }
+
+ private void on_initial_album_fetch_complete(Publishing.RESTSupport.Transaction txn) {
+ txn.completed.disconnect(on_initial_album_fetch_complete);
+ txn.network_error.disconnect(on_initial_album_fetch_error);
+
+ if (!is_running())
+ return;
+
+ debug("EVENT: finished fetching album information.");
+
+ display_account_information((AlbumDirectoryTransaction)txn);
+ }
+
+ private void on_initial_album_fetch_error(Publishing.RESTSupport.Transaction txn,
+ Spit.Publishing.PublishingError error) {
+ txn.completed.disconnect(on_initial_album_fetch_complete);
+ txn.network_error.disconnect(on_initial_album_fetch_error);
+
+ if (!is_running())
+ return;
+
+ debug("EVENT: fetching album information failed; response = '%s'.",
+ txn.get_response());
+
+ if (txn.get_status_code() == 403 || txn.get_status_code() == 404) {
+ do_logout();
+ } else {
+ // If we get any other kind of error, we can't recover, so just post it to the user
+ get_host().post_error(error);
+ }
+ }
+
+ private void display_account_information(AlbumDirectoryTransaction txn) {
+ debug("ACTION: parsing album information");
+ this.publishing_parameters.set_albums(txn.get_albums());
+
+ show_publishing_options_pane();
+ }
+
+ private void show_publishing_options_pane() {
+ debug("ACTION: showing publishing options pane.");
+
+ var opts_pane = new PublishingOptionsPane(this.publishing_parameters, this.authenticator.can_logout());
+ opts_pane.publish.connect(on_publishing_options_publish);
+ opts_pane.logout.connect(on_publishing_options_logout);
+ get_host().install_dialog_pane(opts_pane);
+
+ get_host().set_service_locked(false);
+ }
+
+ private void on_publishing_options_logout() {
+ if (!is_running())
+ return;
+
+ debug("EVENT: user clicked 'Logout' in the publishing options pane.");
+
+ do_logout();
+ }
+
+ private void on_publishing_options_publish() {
+ if (!is_running())
+ return;
+
+ debug("EVENT: user clicked 'Publish' in the publishing options pane.");
+
+ save_parameters_to_configuration_system(publishing_parameters);
+
+ if (publishing_parameters.get_target_album_entry_id () != null) {
+ do_upload();
+ } else {
+ do_create_album();
+ }
+ }
+
+ private void do_create_album() {
+ debug("ACTION: Creating album");
+ assert(publishing_parameters.get_target_album_entry_id () == null);
+
+ get_host().set_service_locked(true);
+
+ var txn = new AlbumCreationTransaction(get_session(), publishing_parameters.get_target_album_name());
+ txn.completed.connect(on_album_create_complete);
+ txn.network_error.connect(on_album_create_error);
+
+ try {
+ txn.execute();
+ } catch (Spit.Publishing.PublishingError error) {
+ on_album_create_error(txn, error);
+ }
+ }
+
+ private void on_album_create_complete(Publishing.RESTSupport.Transaction txn) {
+ txn.completed.disconnect(on_album_create_complete);
+ txn.network_error.disconnect(on_album_create_error);
+
+ if (!is_running())
+ return;
+
+ debug("EVENT: finished creating album information: %s", txn.get_response());
+
+ try {
+ var node = Json.from_string(txn.get_response());
+ var object = node.get_object();
+ publishing_parameters.set_target_album_entry_id (object.get_string_member ("id"));
+
+ do_upload();
+ } catch (Error error) {
+ on_album_create_error(txn, new Spit.Publishing.PublishingError.MALFORMED_RESPONSE (error.message));
+ }
+ }
+
+ private void on_album_create_error(Publishing.RESTSupport.Transaction txn,
+ Spit.Publishing.PublishingError error) {
+ txn.completed.disconnect(on_initial_album_fetch_complete);
+ txn.network_error.disconnect(on_initial_album_fetch_error);
+
+ if (!is_running())
+ return;
+
+ debug("EVENT: creating album failed; response = '%s'.",
+ txn.get_response());
+
+ if (txn.get_status_code() == 403 || txn.get_status_code() == 404) {
+ do_logout();
+ } else {
+ // If we get any other kind of error, we can't recover, so just post it to the user
+ get_host().post_error(error);
+ }
+ }
+
+ protected override void do_logout() {
+ debug("ACTION: logging out user.");
+ get_session().deauthenticate();
+
+ if (this.authenticator.can_logout()) {
+ this.authenticator.logout();
+ this.authenticator.authenticate();
+ }
+ }
+
+ private void do_upload() {
+ debug("ACTION: uploading media items to remote server.");
+
+ get_host().set_service_locked(true);
+
+ progress_reporter = get_host().serialize_publishables(
+ publishing_parameters.get_major_axis_size_pixels(),
+ publishing_parameters.get_strip_metadata());
+
+ // Serialization is a long and potentially cancellable operation, so before we use
+ // the publishables, make sure that the publishing interaction is still running. If it
+ // isn't the publishing environment may be partially torn down so do a short-circuit
+ // return
+ if (!is_running())
+ return;
+
+ Spit.Publishing.Publishable[] publishables = get_host().get_publishables();
+ Uploader uploader = new Uploader(get_session(), publishables, publishing_parameters);
+
+ uploader.upload_complete.connect(on_upload_complete);
+ uploader.upload_error.connect(on_upload_error);
+
+ uploader.upload(on_upload_status_updated);
+ }
+
+ private void on_upload_status_updated(int file_number, double completed_fraction) {
+ if (!is_running())
+ return;
+
+ debug("EVENT: uploader reports upload %.2f percent complete.", 100.0 * completed_fraction);
+
+ assert(progress_reporter != null);
+
+ progress_reporter(file_number, completed_fraction);
+ }
+
+ private void on_upload_complete(Publishing.RESTSupport.BatchUploader uploader,
+ int num_published) {
+ if (!is_running())
+ return;
+
+ debug("EVENT: uploader reports upload complete; %d items published.", num_published);
+
+ uploader.upload_complete.disconnect(on_upload_complete);
+ uploader.upload_error.disconnect(on_upload_error);
+
+ var txn = new MediaCreationTransaction(get_session(),
+ ((Uploader) uploader).upload_tokens,
+ ((Uploader) uploader).titles,
+ publishing_parameters.get_target_album_entry_id());
+
+ txn.completed.connect(on_media_creation_complete);
+ txn.network_error.connect(on_media_creation_error);
+
+ try {
+ txn.execute();
+ } catch (Spit.Publishing.PublishingError error) {
+ on_media_creation_error(txn, error);
+ }
+ }
+
+ private void on_upload_error(Publishing.RESTSupport.BatchUploader uploader,
+ Spit.Publishing.PublishingError err) {
+ if (!is_running())
+ return;
+
+ debug("EVENT: uploader reports upload error = '%s'.", err.message);
+
+ uploader.upload_complete.disconnect(on_upload_complete);
+ uploader.upload_error.disconnect(on_upload_error);
+
+ get_host().post_error(err);
+ }
+
+ private void on_media_creation_complete(Publishing.RESTSupport.Transaction txn) {
+ txn.completed.disconnect(on_media_creation_complete);
+ txn.network_error.disconnect(on_media_creation_error);
+
+ if (!is_running())
+ return;
+
+ debug("EVENT: Media creation reports success.");
+
+ get_host().set_service_locked(false);
+ get_host().install_success_pane();
+ }
+
+ private void on_media_creation_error(Publishing.RESTSupport.Transaction txn,
+ Spit.Publishing.PublishingError err) {
+ txn.completed.disconnect(on_media_creation_complete);
+ txn.network_error.disconnect(on_media_creation_error);
+
+ if (!is_running())
+ return;
+
+ debug("EVENT: Media creation reports error: %s", err.message);
+
+ get_host().post_error(err);
+ }
+
+ public override bool is_running() {
+ return running;
+ }
+
+ public override void start() {
+ debug("GooglePhotos.Publisher: start() invoked.");
+
+ if (is_running())
+ return;
+
+ running = true;
+
+ this.authenticator.authenticate();
+ }
+
+ public override void stop() {
+ debug("GooglePhotos.Publisher: stop() invoked.");
+
+ get_session().stop_transactions();
+
+ running = false;
+ }
+
+ protected override Spit.Publishing.Authenticator get_authenticator() {
+ if (this.authenticator == null) {
+ this.authenticator = Publishing.Authenticator.Factory.get_instance().create("google-photos", get_host());
+ }
+
+ return this.authenticator;
+ }
+}
+} // namespace Publishing.GooglePhotos