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-rw-r--r--app/gimp-update.c331
1 files changed, 331 insertions, 0 deletions
diff --git a/app/gimp-update.c b/app/gimp-update.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimp-update.c
+ * Copyright (C) 2019 Jehan
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <glib.h>
+#include <json-glib/json-glib.h>
+#include <stdio.h>
+
+#ifndef GIMP_CONSOLE_COMPILATION
+#include <gtk/gtk.h>
+#endif
+
+#include "libgimpbase/gimpbase.h"
+
+#include "core/core-types.h"
+
+#include "config/gimpcoreconfig.h"
+
+#ifndef GIMP_CONSOLE_COMPILATION
+#include "dialogs/about-dialog.h"
+#endif
+
+#include "gimp-intl.h"
+#include "gimp-update.h"
+#include "gimp-version.h"
+
+
+static gboolean
+gimp_version_break (const gchar *v,
+ gint *major,
+ gint *minor,
+ gint *micro)
+{
+ gchar **versions;
+
+ *major = 0;
+ *minor = 0;
+ *micro = 0;
+
+ if (v == NULL)
+ return FALSE;
+
+ versions = g_strsplit_set (v, ".", 3);
+ if (versions[0] != NULL)
+ {
+ *major = g_ascii_strtoll (versions[0], NULL, 10);
+ if (versions[1] != NULL)
+ {
+ *minor = g_ascii_strtoll (versions[1], NULL, 10);
+ if (versions[2] != NULL)
+ {
+ *micro = g_ascii_strtoll (versions[2], NULL, 10);
+ return TRUE;
+ }
+ }
+ }
+ g_strfreev (versions);
+
+ return (*major > 0);
+}
+
+static void
+gimp_check_updates_callback (GObject *source,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GimpCoreConfig *config = user_data;
+ char *file_contents = NULL;
+ gsize file_length = 0;
+ GError *error = NULL;
+
+ if (g_file_load_contents_finish (G_FILE (source), result,
+ &file_contents, &file_length,
+ NULL, &error))
+ {
+ const gchar *platform;
+ const gchar *last_version = NULL;
+ const gchar *release_date = NULL;
+ JsonParser *parser;
+ JsonPath *path;
+ JsonNode *result;
+ JsonArray *versions;
+ JsonArray *builds;
+ gint build_revision = 0;
+ gint major;
+ gint minor;
+ gint micro;
+ gint i;
+
+ /* For Windows and macOS, let's look if installers are available.
+ * For other platforms, let's just look for source release.
+ */
+ if (g_strcmp0 (GIMP_BUILD_PLATFORM_FAMILY, "windows") == 0 ||
+ g_strcmp0 (GIMP_BUILD_PLATFORM_FAMILY, "macos") == 0)
+ platform = GIMP_BUILD_PLATFORM_FAMILY;
+ else
+ platform = "source";
+
+ parser = json_parser_new ();
+ if (! json_parser_load_from_data (parser, file_contents, file_length, &error))
+ {
+ g_printerr("%s: parsing of %s failed: %s\n", G_STRFUNC,
+ g_file_get_uri (G_FILE (source)), error->message);
+ g_free (file_contents);
+ g_clear_object (&parser);
+ g_clear_error (&error);
+
+ return;
+ }
+
+ path = json_path_new ();
+ /* Ideally we could just use Json path filters like this to
+ * retrieve only released binaries for a given platform:
+ * g_strdup_printf ("$['STABLE'][?(@.%s)]['version']", platform);
+ * json_array_get_string_element (result, 0);
+ * And that would be it! We'd have our last release for given
+ * platform.
+ * Unfortunately json-glib does not support filter syntax, so we
+ * end up looping through releases.
+ */
+ if (! json_path_compile (path, "$['STABLE'][*]", &error))
+ {
+#ifdef GIMP_UNSTABLE
+ g_printerr("Path compilation failed: %s\n", error->message);
+#endif
+ g_free (file_contents);
+ g_clear_object (&parser);
+ g_clear_error (&error);
+
+ return;
+ }
+ result = json_path_match (path, json_parser_get_root (parser));
+ g_return_if_fail (JSON_NODE_HOLDS_ARRAY (result));
+
+ versions = json_node_get_array (result);
+ for (i = 0; i < (gint) json_array_get_length (versions); i++)
+ {
+ JsonObject *version;
+
+ /* Note that we don't actually look for the highest version,
+ * but for the highest version for which a build for your
+ * platform is available.
+ */
+ version = json_array_get_object_element (versions, i);
+ if (json_object_has_member (version, platform))
+ {
+ last_version = json_object_get_string_member (version, "version");
+ release_date = json_object_get_string_member (version, "date");
+ builds = json_object_get_array_member (version, platform);
+ break;
+ }
+ }
+
+ /* If version is not properly parsed, something is wrong with
+ * upstream version number or parsing. This should not happen.
+ */
+ if (gimp_version_break (last_version, &major, &minor, &micro))
+ {
+ const gchar *build_date = NULL;
+ const gchar *build_comment = NULL;
+ GDateTime *datetime;
+ gchar *str;
+
+ if (major < GIMP_MAJOR_VERSION ||
+ (major == GIMP_MAJOR_VERSION && minor < GIMP_MINOR_VERSION) ||
+ (major == GIMP_MAJOR_VERSION && minor == GIMP_MINOR_VERSION && micro < GIMP_MICRO_VERSION))
+ {
+ /* We are using a newer version than last one (somehow). */
+ last_version = NULL;
+ }
+ else if (major == GIMP_MAJOR_VERSION &&
+ minor == GIMP_MINOR_VERSION &&
+ micro == GIMP_MICRO_VERSION)
+ {
+ for (i = 0; i < (gint) json_array_get_length (builds); i++)
+ {
+ const gchar *build_id = NULL;
+ JsonObject *build;
+
+ build = json_array_get_object_element (builds, i);
+ if (json_object_has_member (build, "build-id"))
+ build_id = json_object_get_string_member (build, "build-id");
+ if (g_strcmp0 (build_id, GIMP_BUILD_ID) == 0)
+ {
+ if (json_object_has_member (build, "revision"))
+ build_revision = json_object_get_int_member (build, "revision");
+ if (json_object_has_member (build, "date"))
+ build_date = json_object_get_string_member (build, "date");
+ if (json_object_has_member (build, "comment"))
+ build_comment = json_object_get_string_member (build, "comment");
+ break;
+ }
+ }
+ if (build_revision <= gimp_version_get_revision ())
+ {
+ /* Already using the last officially released
+ * revision. */
+ last_version = NULL;
+ }
+ }
+ str = g_strdup_printf ("%s 00:00:00Z", build_date ? build_date : release_date);
+ datetime = g_date_time_new_from_iso8601 (str, NULL);
+ g_free (str);
+ if (datetime)
+ {
+ g_object_set (config,
+ "check-update-timestamp", g_get_real_time() / G_USEC_PER_SEC,
+ "last-release-timestamp", g_date_time_to_unix (datetime),
+ "last-known-release", last_version,
+ "last-revision", build_revision,
+ "last-release-comment", build_comment,
+ NULL);
+ g_date_time_unref (datetime);
+ }
+ }
+
+ g_object_unref (path);
+ g_object_unref (parser);
+ g_free (file_contents);
+ }
+ else
+ {
+ g_printerr("%s: loading of %s failed: %s\n", G_STRFUNC,
+ g_file_get_uri (G_FILE (source)), error->message);
+ g_clear_error (&error);
+ }
+}
+
+static void
+gimp_update_about_dialog (GimpCoreConfig *config,
+ const GParamSpec *pspec,
+ gpointer user_data)
+{
+ g_signal_handlers_disconnect_by_func (config,
+ (GCallback) gimp_update_about_dialog,
+ NULL);
+
+ if (config->last_known_release != NULL)
+ {
+#ifndef GIMP_CONSOLE_COMPILATION
+ gtk_widget_show (about_dialog_create (config));
+#else
+ g_warning (_("A new version of GIMP (%s) was released.\n"
+ "It is recommended to update."),
+ config->last_known_release);
+#endif
+ }
+}
+
+/*
+ * gimp_update_auto_check:
+ * @config:
+ *
+ * Run the check for newer versions of GIMP if conditions are right.
+ */
+gboolean
+gimp_update_auto_check (GimpCoreConfig *config)
+{
+ gint64 prev_update_timestamp;
+ gint64 current_timestamp;
+
+ /* Builds with update check deactivated just always return FALSE. */
+#ifdef CHECK_UPDATE
+ if (! config->check_updates)
+#endif
+ return FALSE;
+
+ g_object_get (config,
+ "check-update-timestamp", &prev_update_timestamp,
+ NULL);
+ current_timestamp = g_get_real_time() / G_USEC_PER_SEC;
+
+ /* Get rid of invalid saved timestamps. */
+ if (prev_update_timestamp > current_timestamp)
+ prev_update_timestamp = -1;
+
+#ifndef GIMP_UNSTABLE
+ /* Do not check more than once a week. */
+ if (current_timestamp - prev_update_timestamp < 3600L * 24L * 7L)
+ return FALSE;
+#endif
+
+ g_signal_connect (config, "notify::last-known-release",
+ (GCallback) gimp_update_about_dialog,
+ NULL);
+
+ return gimp_update_check (config);
+}
+
+/*
+ * gimp_update_check:
+ * @config:
+ *
+ * Run the check for newer versions of GIMP inconditionnally.
+ */
+gboolean
+gimp_update_check (GimpCoreConfig *config)
+{
+ GFile *gimp_versions;
+
+#ifdef GIMP_UNSTABLE
+ if (g_getenv ("GIMP_DEV_VERSIONS_JSON"))
+ gimp_versions = g_file_new_for_path (g_getenv ("GIMP_DEV_VERSIONS_JSON"));
+ else
+ gimp_versions = g_file_new_for_uri ("https://testing.gimp.org/gimp_versions.json");
+#else
+ gimp_versions = g_file_new_for_uri ("https://www.gimp.org/gimp_versions.json");
+#endif
+ g_file_load_contents_async (gimp_versions, NULL, gimp_check_updates_callback, config);
+ g_object_unref (gimp_versions);
+
+ return TRUE;
+}
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