diff options
Diffstat (limited to '')
| -rw-r--r-- | plugins/odrs/gs-plugin-odrs.c | 1214 |
1 files changed, 1214 insertions, 0 deletions
diff --git a/plugins/odrs/gs-plugin-odrs.c b/plugins/odrs/gs-plugin-odrs.c new file mode 100644 index 0000000..8c3e9a4 --- /dev/null +++ b/plugins/odrs/gs-plugin-odrs.c @@ -0,0 +1,1214 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- + * vi:set noexpandtab tabstop=8 shiftwidth=8: + * + * Copyright (C) 2016 Richard Hughes <richard@hughsie.com> + * Copyright (C) 2016-2018 Kalev Lember <klember@redhat.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> + +#include <glib/gi18n.h> +#include <gnome-software.h> +#include <json-glib/json-glib.h> +#include <string.h> +#include <math.h> + +/* + * SECTION: + * Provides review data from the Open Desktop Ratings Serice. + */ + +#if !GLIB_CHECK_VERSION(2, 62, 0) +typedef struct +{ + guint8 *data; + guint len; + guint alloc; + guint elt_size; + guint zero_terminated : 1; + guint clear : 1; + gatomicrefcount ref_count; + GDestroyNotify clear_func; +} GRealArray; + +gboolean +g_array_binary_search (GArray *array, + gconstpointer target, + GCompareFunc compare_func, + guint *out_match_index) +{ + gboolean result = FALSE; + GRealArray *_array = (GRealArray *) array; + guint left, middle, right; + gint val; + + g_return_val_if_fail (_array != NULL, FALSE); + g_return_val_if_fail (compare_func != NULL, FALSE); + + if (G_LIKELY(_array->len)) + { + left = 0; + right = _array->len - 1; + + while (left <= right) + { + middle = left + (right - left) / 2; + + val = compare_func (_array->data + (_array->elt_size * middle), target); + if (val == 0) + { + result = TRUE; + break; + } + else if (val < 0) + left = middle + 1; + else if (/* val > 0 && */ middle > 0) + right = middle - 1; + else + break; /* element not found */ + } + } + + if (result && out_match_index != NULL) + *out_match_index = middle; + + return result; +} +#endif /* glib < 2.62.0 */ + +#define ODRS_REVIEW_CACHE_AGE_MAX 237000 /* 1 week */ +#define ODRS_REVIEW_NUMBER_RESULTS_MAX 20 + +/* Element in priv->ratings, all allocated in one big block and sorted + * alphabetically to reduce the number of allocations and fragmentation. */ +typedef struct { + gchar *app_id; /* (owned) */ + guint32 n_star_ratings[6]; +} GsOdrsRating; + +static int +rating_compare (const GsOdrsRating *a, const GsOdrsRating *b) +{ + return g_strcmp0 (a->app_id, b->app_id); +} + +static void +rating_clear (GsOdrsRating *rating) +{ + g_free (rating->app_id); +} + +struct GsPluginData { + GSettings *settings; + gchar *distro; + gchar *user_hash; + gchar *review_server; + GArray *ratings; /* (element-type GsOdrsRating) (mutex ratings_mutex) (owned) (nullable) */ + GMutex ratings_mutex; + GsApp *cached_origin; +}; + +void +gs_plugin_initialize (GsPlugin *plugin) +{ + GsPluginData *priv = gs_plugin_alloc_data (plugin, sizeof(GsPluginData)); + g_autoptr(GError) error = NULL; + g_autoptr(GsOsRelease) os_release = NULL; + + g_mutex_init (&priv->ratings_mutex); + priv->settings = g_settings_new ("org.gnome.software"); + priv->review_server = g_settings_get_string (priv->settings, + "review-server"); + priv->ratings = NULL; /* until first refreshed */ + + /* get the machine+user ID hash value */ + priv->user_hash = gs_utils_get_user_hash (&error); + if (priv->user_hash == NULL) { + g_warning ("Failed to get machine+user hash: %s", error->message); + return; + } + + /* get the distro name (e.g. 'Fedora') but allow a fallback */ + os_release = gs_os_release_new (&error); + if (os_release != NULL) { + priv->distro = g_strdup (gs_os_release_get_name (os_release)); + if (priv->distro == NULL) { + g_warning ("no distro name specified"); + priv->distro = g_strdup ("Unknown"); + } + } else { + g_warning ("failed to get distro name: %s", error->message); + priv->distro = g_strdup ("Unknown"); + } + + /* add source */ + priv->cached_origin = gs_app_new (gs_plugin_get_name (plugin)); + gs_app_set_kind (priv->cached_origin, AS_APP_KIND_SOURCE); + gs_app_set_origin_hostname (priv->cached_origin, priv->review_server); + + /* add the source to the plugin cache which allows us to match the + * unique ID to a GsApp when creating an event */ + gs_plugin_cache_add (plugin, + gs_app_get_unique_id (priv->cached_origin), + priv->cached_origin); + + /* need application IDs and version */ + gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_AFTER, "appstream"); + gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_AFTER, "flatpak"); + + /* set name of MetaInfo file */ + gs_plugin_set_appstream_id (plugin, "org.gnome.Software.Plugin.Odrs"); +} + +static gboolean +gs_plugin_odrs_load_ratings_for_app (JsonObject *json_app, const gchar *app_id, GsOdrsRating *rating_out) +{ + guint i; + const gchar *names[] = { "star0", "star1", "star2", "star3", + "star4", "star5", NULL }; + + for (i = 0; names[i] != NULL; i++) { + if (!json_object_has_member (json_app, names[i])) + return FALSE; + rating_out->n_star_ratings[i] = (guint64) json_object_get_int_member (json_app, names[i]); + } + + rating_out->app_id = g_strdup (app_id); + + return TRUE; +} + +static gboolean +gs_plugin_odrs_load_ratings (GsPlugin *plugin, const gchar *fn, GError **error) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + JsonNode *json_root; + JsonObject *json_item; + g_autoptr(JsonParser) json_parser = NULL; + const gchar *app_id; + JsonNode *json_app_node; + JsonObjectIter iter; + g_autoptr(GArray) new_ratings = NULL; + g_autoptr(GMutexLocker) locker = NULL; + + /* parse the data and find the success */ + json_parser = json_parser_new_immutable (); +#if JSON_CHECK_VERSION(1, 6, 0) + if (!json_parser_load_from_mapped_file (json_parser, fn, error)) { +#else + if (!json_parser_load_from_file (json_parser, fn, error)) { +#endif + gs_utils_error_convert_json_glib (error); + return FALSE; + } + json_root = json_parser_get_root (json_parser); + if (json_root == NULL) { + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + "no ratings root"); + return FALSE; + } + if (json_node_get_node_type (json_root) != JSON_NODE_OBJECT) { + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + "no ratings array"); + return FALSE; + } + + json_item = json_node_get_object (json_root); + + new_ratings = g_array_sized_new (FALSE, /* don’t zero-terminate */ + FALSE, /* don’t clear */ + sizeof (GsOdrsRating), + json_object_get_size (json_item)); + g_array_set_clear_func (new_ratings, (GDestroyNotify) rating_clear); + + /* parse each app */ + json_object_iter_init (&iter, json_item); + while (json_object_iter_next (&iter, &app_id, &json_app_node)) { + GsOdrsRating rating; + JsonObject *json_app; + + if (!JSON_NODE_HOLDS_OBJECT (json_app_node)) + continue; + json_app = json_node_get_object (json_app_node); + + if (gs_plugin_odrs_load_ratings_for_app (json_app, app_id, &rating)) + g_array_append_val (new_ratings, rating); + } + + /* Allow for binary searches later. */ + g_array_sort (new_ratings, (GCompareFunc) rating_compare); + + /* Update the shared state */ + locker = g_mutex_locker_new (&priv->ratings_mutex); + g_clear_pointer (&priv->ratings, g_array_unref); + priv->ratings = g_steal_pointer (&new_ratings); + + return TRUE; +} + +gboolean +gs_plugin_refresh (GsPlugin *plugin, + guint cache_age, + GCancellable *cancellable, + GError **error) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + g_autofree gchar *cache_filename = NULL; + g_autofree gchar *uri = NULL; + g_autoptr(GError) error_local = NULL; + g_autoptr(GsApp) app_dl = gs_app_new (gs_plugin_get_name (plugin)); + + /* check cache age */ + cache_filename = gs_utils_get_cache_filename ("odrs", + "ratings.json", + GS_UTILS_CACHE_FLAG_WRITEABLE, + error); + if (cache_filename == NULL) + return FALSE; + if (cache_age > 0) { + guint tmp; + g_autoptr(GFile) file = NULL; + file = g_file_new_for_path (cache_filename); + tmp = gs_utils_get_file_age (file); + if (tmp < cache_age) { + g_debug ("%s is only %u seconds old, so ignoring refresh", + cache_filename, tmp); + return gs_plugin_odrs_load_ratings (plugin, cache_filename, error); + } + } + + /* download the complete file */ + uri = g_strdup_printf ("%s/ratings", priv->review_server); + g_debug ("Updating ODRS cache from %s to %s", uri, cache_filename); + gs_app_set_summary_missing (app_dl, + /* TRANSLATORS: status text when downloading */ + _("Downloading application ratings…")); + if (!gs_plugin_download_file (plugin, app_dl, uri, cache_filename, cancellable, &error_local)) { + g_autoptr(GsPluginEvent) event = gs_plugin_event_new (); + + gs_plugin_event_set_error (event, error_local); + gs_plugin_event_set_action (event, GS_PLUGIN_ACTION_DOWNLOAD); + gs_plugin_event_set_origin (event, priv->cached_origin); + if (gs_plugin_has_flags (plugin, GS_PLUGIN_FLAGS_INTERACTIVE)) + gs_plugin_event_add_flag (event, GS_PLUGIN_EVENT_FLAG_INTERACTIVE); + else + gs_plugin_event_add_flag (event, GS_PLUGIN_EVENT_FLAG_WARNING); + gs_plugin_report_event (plugin, event); + + /* don't fail updates if the ratings server is unavailable */ + return TRUE; + } + return gs_plugin_odrs_load_ratings (plugin, cache_filename, error); +} + +void +gs_plugin_destroy (GsPlugin *plugin) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + g_free (priv->user_hash); + g_free (priv->distro); + g_free (priv->review_server); + g_clear_pointer (&priv->ratings, g_array_unref); + g_object_unref (priv->settings); + g_object_unref (priv->cached_origin); + g_mutex_clear (&priv->ratings_mutex); +} + +static AsReview * +gs_plugin_odrs_parse_review_object (GsPlugin *plugin, JsonObject *item) +{ + AsReview *rev = as_review_new (); + + /* date */ + if (json_object_has_member (item, "date_created")) { + gint64 timestamp; + g_autoptr(GDateTime) dt = NULL; + timestamp = json_object_get_int_member (item, "date_created"); + dt = g_date_time_new_from_unix_utc (timestamp); + as_review_set_date (rev, dt); + } + + /* assemble review */ + if (json_object_has_member (item, "rating")) + as_review_set_rating (rev, (gint) json_object_get_int_member (item, "rating")); + if (json_object_has_member (item, "score")) { + as_review_set_priority (rev, (gint) json_object_get_int_member (item, "score")); + } else if (json_object_has_member (item, "karma_up") && + json_object_has_member (item, "karma_down")) { + gdouble ku = (gdouble) json_object_get_int_member (item, "karma_up"); + gdouble kd = (gdouble) json_object_get_int_member (item, "karma_down"); + gdouble wilson = 0.f; + + /* from http://www.evanmiller.org/how-not-to-sort-by-average-rating.html */ + if (ku > 0 || kd > 0) { + wilson = ((ku + 1.9208) / (ku + kd) - + 1.96 * sqrt ((ku * kd) / (ku + kd) + 0.9604) / + (ku + kd)) / (1 + 3.8416 / (ku + kd)); + wilson *= 100.f; + } + as_review_set_priority (rev, (gint) wilson); + } + if (json_object_has_member (item, "user_hash")) + as_review_set_reviewer_id (rev, json_object_get_string_member (item, "user_hash")); + if (json_object_has_member (item, "user_display")) + as_review_set_reviewer_name (rev, json_object_get_string_member (item, "user_display")); + if (json_object_has_member (item, "summary")) + as_review_set_summary (rev, json_object_get_string_member (item, "summary")); + if (json_object_has_member (item, "description")) + as_review_set_description (rev, json_object_get_string_member (item, "description")); + if (json_object_has_member (item, "version")) + as_review_set_version (rev, json_object_get_string_member (item, "version")); + + /* add extra metadata for the plugin */ + if (json_object_has_member (item, "user_skey")) { + as_review_add_metadata (rev, "user_skey", + json_object_get_string_member (item, "user_skey")); + } + if (json_object_has_member (item, "app_id")) { + as_review_add_metadata (rev, "app_id", + json_object_get_string_member (item, "app_id")); + } + if (json_object_has_member (item, "review_id")) { + g_autofree gchar *review_id = NULL; + review_id = g_strdup_printf ("%" G_GINT64_FORMAT, + json_object_get_int_member (item, "review_id")); + as_review_set_id (rev, review_id); + } + + /* don't allow multiple votes */ + if (json_object_has_member (item, "vote_id")) + as_review_add_flags (rev, AS_REVIEW_FLAG_VOTED); + + return rev; +} + +static GPtrArray * +gs_plugin_odrs_parse_reviews (GsPlugin *plugin, + const gchar *data, + gssize data_len, + GError **error) +{ + JsonArray *json_reviews; + JsonNode *json_root; + guint i; + g_autoptr(JsonParser) json_parser = NULL; + g_autoptr(GHashTable) reviewer_ids = NULL; + g_autoptr(GPtrArray) reviews = NULL; + + /* nothing */ + if (data == NULL) { + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + "server returned no data"); + return NULL; + } + + /* parse the data and find the array or ratings */ + json_parser = json_parser_new_immutable (); + if (!json_parser_load_from_data (json_parser, data, data_len, error)) { + gs_utils_error_convert_json_glib (error); + return NULL; + } + json_root = json_parser_get_root (json_parser); + if (json_root == NULL) { + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + "no root"); + return NULL; + } + if (json_node_get_node_type (json_root) != JSON_NODE_ARRAY) { + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + "no array"); + return NULL; + } + + /* parse each rating */ + reviews = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref); + json_reviews = json_node_get_array (json_root); + reviewer_ids = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); + for (i = 0; i < json_array_get_length (json_reviews); i++) { + JsonNode *json_review; + JsonObject *json_item; + const gchar *reviewer_id; + g_autoptr(AsReview) review = NULL; + + /* extract the data */ + json_review = json_array_get_element (json_reviews, i); + if (json_node_get_node_type (json_review) != JSON_NODE_OBJECT) { + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + "no object type"); + return NULL; + } + json_item = json_node_get_object (json_review); + if (json_item == NULL) { + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + "no object"); + return NULL; + } + + /* create review */ + review = gs_plugin_odrs_parse_review_object (plugin, + json_item); + + reviewer_id = as_review_get_reviewer_id (review); + if (reviewer_id == NULL) + continue; + + /* dedupe each on the user_hash */ + if (g_hash_table_lookup (reviewer_ids, reviewer_id) != NULL) { + g_debug ("duplicate review %s, skipping", reviewer_id); + continue; + } + g_hash_table_add (reviewer_ids, g_strdup (reviewer_id)); + g_ptr_array_add (reviews, g_object_ref (review)); + } + return g_steal_pointer (&reviews); +} + +static gboolean +gs_plugin_odrs_parse_success (const gchar *data, gssize data_len, GError **error) +{ + JsonNode *json_root; + JsonObject *json_item; + const gchar *msg = NULL; + g_autoptr(JsonParser) json_parser = NULL; + + /* nothing */ + if (data == NULL) { + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + "server returned no data"); + return FALSE; + } + + /* parse the data and find the success */ + json_parser = json_parser_new_immutable (); + if (!json_parser_load_from_data (json_parser, data, data_len, error)) { + gs_utils_error_convert_json_glib (error); + return FALSE; + } + json_root = json_parser_get_root (json_parser); + if (json_root == NULL) { + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + "no error root"); + return FALSE; + } + if (json_node_get_node_type (json_root) != JSON_NODE_OBJECT) { + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + "no error object"); + return FALSE; + } + json_item = json_node_get_object (json_root); + if (json_item == NULL) { + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + "no error object"); + return FALSE; + } + + /* failed? */ + if (json_object_has_member (json_item, "msg")) + msg = json_object_get_string_member (json_item, "msg"); + if (!json_object_get_boolean_member (json_item, "success")) { + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_INVALID_FORMAT, + msg != NULL ? msg : "unknown failure"); + return FALSE; + } + + /* just for the console */ + if (msg != NULL) + g_debug ("success: %s", msg); + return TRUE; +} + +static gboolean +gs_plugin_odrs_json_post (SoupSession *session, + const gchar *uri, + const gchar *data, + GError **error) +{ + guint status_code; + g_autoptr(SoupMessage) msg = NULL; + + /* create the GET data */ + g_debug ("Sending ODRS request to %s: %s", uri, data); + msg = soup_message_new (SOUP_METHOD_POST, uri); + soup_message_set_request (msg, "application/json; charset=utf-8", + SOUP_MEMORY_COPY, data, strlen (data)); + + /* set sync request */ + status_code = soup_session_send_message (session, msg); + g_debug ("ODRS server returned status %u: %s", status_code, msg->response_body->data); + if (status_code != SOUP_STATUS_OK) { + g_warning ("Failed to set rating on ODRS: %s", + soup_status_get_phrase (status_code)); + g_set_error (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_FAILED, + "Failed to submit review to ODRS: %s", soup_status_get_phrase (status_code)); + return FALSE; + } + + /* process returned JSON */ + return gs_plugin_odrs_parse_success (msg->response_body->data, + msg->response_body->length, + error); +} + +static GPtrArray * +_gs_app_get_reviewable_ids (GsApp *app) +{ + GPtrArray *ids = g_ptr_array_new_with_free_func (g_free); + GPtrArray *provides = gs_app_get_provides (app); + + /* add the main component id */ + g_ptr_array_add (ids, g_strdup (gs_app_get_id (app))); + + /* add any ID provides */ + for (guint i = 0; i < provides->len; i++) { + AsProvide *provide = g_ptr_array_index (provides, i); + if (as_provide_get_kind (provide) == AS_PROVIDE_KIND_ID && + as_provide_get_value (provide) != NULL) { + g_ptr_array_add (ids, g_strdup (as_provide_get_value (provide))); + } + } + return ids; +} + +static gboolean +gs_plugin_odrs_refine_ratings (GsPlugin *plugin, + GsApp *app, + GCancellable *cancellable, + GError **error) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + gint rating; + guint32 ratings_raw[6] = { 0, 0, 0, 0, 0, 0 }; + guint cnt = 0; + g_autoptr(GArray) review_ratings = NULL; + g_autoptr(GPtrArray) reviewable_ids = NULL; + g_autoptr(GMutexLocker) locker = NULL; + + /* get ratings for each reviewable ID */ + reviewable_ids = _gs_app_get_reviewable_ids (app); + + locker = g_mutex_locker_new (&priv->ratings_mutex); + + if (priv->ratings == NULL) + return TRUE; + + for (guint i = 0; i < reviewable_ids->len; i++) { + const gchar *id = g_ptr_array_index (reviewable_ids, i); + const GsOdrsRating search_rating = { id, { 0, }}; + guint found_index; + const GsOdrsRating *found_rating; + + if (!g_array_binary_search (priv->ratings, &search_rating, + (GCompareFunc) rating_compare, &found_index)) + continue; + + found_rating = &g_array_index (priv->ratings, GsOdrsRating, found_index); + + /* copy into accumulator array */ + for (guint j = 0; j < 6; j++) + ratings_raw[j] += found_rating->n_star_ratings[j]; + cnt++; + } + if (cnt == 0) + return TRUE; + + /* Done with priv->ratings now */ + g_clear_pointer (&locker, g_mutex_locker_free); + + /* merge to accumulator array back to one GArray blob */ + review_ratings = g_array_sized_new (FALSE, TRUE, sizeof(guint32), 6); + for (guint i = 0; i < 6; i++) + g_array_append_val (review_ratings, ratings_raw[i]); + gs_app_set_review_ratings (app, review_ratings); + + /* find the wilson rating */ + rating = gs_utils_get_wilson_rating (g_array_index (review_ratings, guint32, 1), + g_array_index (review_ratings, guint32, 2), + g_array_index (review_ratings, guint32, 3), + g_array_index (review_ratings, guint32, 4), + g_array_index (review_ratings, guint32, 5)); + if (rating > 0) + gs_app_set_rating (app, rating); + return TRUE; +} + +static JsonNode * +gs_plugin_odrs_get_compat_ids (GsApp *app) +{ + GPtrArray *provides = gs_app_get_provides (app); + g_autoptr(GHashTable) ids = NULL; + g_autoptr(JsonArray) json_array = json_array_new (); + g_autoptr(JsonNode) json_node = json_node_new (JSON_NODE_ARRAY); + + ids = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); + for (guint i = 0; i < provides->len; i++) { + AsProvide *provide = g_ptr_array_index (provides, i); + if (as_provide_get_kind (provide) != AS_PROVIDE_KIND_ID) + continue; + if (as_provide_get_value (provide) == NULL) + continue; + if (g_hash_table_lookup (ids, as_provide_get_value (provide)) != NULL) + continue; + g_hash_table_add (ids, g_strdup (as_provide_get_value (provide))); + json_array_add_string_element (json_array, as_provide_get_value (provide)); + } + if (json_array_get_length (json_array) == 0) + return NULL; + json_node_set_array (json_node, json_array); + return g_steal_pointer (&json_node); +} + +static GPtrArray * +gs_plugin_odrs_fetch_for_app (GsPlugin *plugin, GsApp *app, GError **error) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + JsonNode *json_compat_ids; + const gchar *version; + guint status_code; + g_autofree gchar *cachefn_basename = NULL; + g_autofree gchar *cachefn = NULL; + g_autofree gchar *data = NULL; + g_autofree gchar *uri = NULL; + g_autoptr(GFile) cachefn_file = NULL; + g_autoptr(GPtrArray) reviews = NULL; + g_autoptr(JsonBuilder) builder = NULL; + g_autoptr(JsonGenerator) json_generator = NULL; + g_autoptr(JsonNode) json_root = NULL; + g_autoptr(SoupMessage) msg = NULL; + + /* look in the cache */ + cachefn_basename = g_strdup_printf ("%s.json", gs_app_get_id (app)); + cachefn = gs_utils_get_cache_filename ("odrs", + cachefn_basename, + GS_UTILS_CACHE_FLAG_WRITEABLE, + error); + if (cachefn == NULL) + return NULL; + cachefn_file = g_file_new_for_path (cachefn); + if (gs_utils_get_file_age (cachefn_file) < ODRS_REVIEW_CACHE_AGE_MAX) { + g_autoptr(GMappedFile) mapped_file = NULL; + + mapped_file = g_mapped_file_new (cachefn, FALSE, error); + if (mapped_file == NULL) + return NULL; + + g_debug ("got review data for %s from %s", + gs_app_get_id (app), cachefn); + return gs_plugin_odrs_parse_reviews (plugin, + g_mapped_file_get_contents (mapped_file), + g_mapped_file_get_length (mapped_file), + error); + } + + /* not always available */ + version = gs_app_get_version (app); + if (version == NULL) + version = "unknown"; + + /* create object with review data */ + builder = json_builder_new (); + json_builder_begin_object (builder); + json_builder_set_member_name (builder, "user_hash"); + json_builder_add_string_value (builder, priv->user_hash); + json_builder_set_member_name (builder, "app_id"); + json_builder_add_string_value (builder, gs_app_get_id (app)); + json_builder_set_member_name (builder, "locale"); + json_builder_add_string_value (builder, gs_plugin_get_locale (plugin)); + json_builder_set_member_name (builder, "distro"); + json_builder_add_string_value (builder, priv->distro); + json_builder_set_member_name (builder, "version"); + json_builder_add_string_value (builder, version); + json_builder_set_member_name (builder, "limit"); + json_builder_add_int_value (builder, ODRS_REVIEW_NUMBER_RESULTS_MAX); + json_compat_ids = gs_plugin_odrs_get_compat_ids (app); + if (json_compat_ids != NULL) { + json_builder_set_member_name (builder, "compat_ids"); + json_builder_add_value (builder, json_compat_ids); + } + json_builder_end_object (builder); + + /* export as a string */ + json_root = json_builder_get_root (builder); + json_generator = json_generator_new (); + json_generator_set_pretty (json_generator, TRUE); + json_generator_set_root (json_generator, json_root); + data = json_generator_to_data (json_generator, NULL); + if (data == NULL) + return NULL; + uri = g_strdup_printf ("%s/fetch", priv->review_server); + g_debug ("Updating ODRS cache for %s from %s to %s; request %s", gs_app_get_id (app), + uri, cachefn, data); + msg = soup_message_new (SOUP_METHOD_POST, uri); + soup_message_set_request (msg, "application/json; charset=utf-8", + SOUP_MEMORY_COPY, data, strlen (data)); + status_code = soup_session_send_message (gs_plugin_get_soup_session (plugin), msg); + if (status_code != SOUP_STATUS_OK) { + if (!gs_plugin_odrs_parse_success (msg->response_body->data, + msg->response_body->length, + error)) + return NULL; + /* not sure what to do here */ + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_DOWNLOAD_FAILED, + "status code invalid"); + gs_utils_error_add_origin_id (error, priv->cached_origin); + return NULL; + } + reviews = gs_plugin_odrs_parse_reviews (plugin, + msg->response_body->data, + msg->response_body->length, + error); + if (reviews == NULL) + return NULL; + + /* save to the cache */ + if (!g_file_set_contents (cachefn, + msg->response_body->data, + msg->response_body->length, + error)) + return NULL; + + /* success */ + return g_steal_pointer (&reviews); +} + +static gboolean +gs_plugin_odrs_refine_reviews (GsPlugin *plugin, + GsApp *app, + GCancellable *cancellable, + GError **error) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + AsReview *review; + g_autoptr(GPtrArray) reviews = NULL; + + /* get from server */ + reviews = gs_plugin_odrs_fetch_for_app (plugin, app, error); + if (reviews == NULL) + return FALSE; + for (guint i = 0; i < reviews->len; i++) { + review = g_ptr_array_index (reviews, i); + + /* save this on the application object so we can use it for + * submitting a new review */ + if (i == 0) { + gs_app_set_metadata (app, "ODRS::user_skey", + as_review_get_metadata_item (review, "user_skey")); + } + + /* ignore invalid reviews */ + if (as_review_get_rating (review) == 0) + continue; + + /* the user_hash matches, so mark this as our own review */ + if (g_strcmp0 (as_review_get_reviewer_id (review), + priv->user_hash) == 0) { + as_review_set_flags (review, AS_REVIEW_FLAG_SELF); + } + gs_app_add_review (app, review); + } + return TRUE; +} + +static gboolean +refine_app (GsPlugin *plugin, + GsApp *app, + GsPluginRefineFlags flags, + GCancellable *cancellable, + GError **error) +{ + /* not valid */ + if (gs_app_get_kind (app) == AS_APP_KIND_ADDON) + return TRUE; + if (gs_app_get_id (app) == NULL) + return TRUE; + + /* add reviews if possible */ + if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_REVIEWS) { + if (gs_app_get_reviews(app)->len > 0) + return TRUE; + if (!gs_plugin_odrs_refine_reviews (plugin, app, + cancellable, error)) + return FALSE; + } + + /* add ratings if possible */ + if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_REVIEW_RATINGS || + flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_RATING) { + if (gs_app_get_review_ratings(app) != NULL) + return TRUE; + if (!gs_plugin_odrs_refine_ratings (plugin, app, + cancellable, error)) + return FALSE; + } + + return TRUE; +} + +gboolean +gs_plugin_refine (GsPlugin *plugin, + GsAppList *list, + GsPluginRefineFlags flags, + GCancellable *cancellable, + GError **error) +{ + /* nothing to do here */ + if ((flags & (GS_PLUGIN_REFINE_FLAGS_REQUIRE_REVIEWS | + GS_PLUGIN_REFINE_FLAGS_REQUIRE_REVIEW_RATINGS | + GS_PLUGIN_REFINE_FLAGS_REQUIRE_RATING)) == 0) + return TRUE; + + for (guint i = 0; i < gs_app_list_length (list); i++) { + GsApp *app = gs_app_list_index (list, i); + if (!refine_app (plugin, app, flags, cancellable, error)) + return FALSE; + } + + return TRUE; +} + +static gchar * +gs_plugin_odrs_sanitize_version (const gchar *version) +{ + gchar *str; + gchar *tmp; + + /* nothing set */ + if (version == NULL) + return g_strdup ("unknown"); + + /* remove epoch */ + str = g_strrstr (version, ":"); + if (str != NULL) + version = str + 1; + + /* remove release */ + tmp = g_strdup (version); + g_strdelimit (tmp, "-", '\0'); + + /* remove '+dfsg' suffix */ + str = g_strstr_len (tmp, -1, "+dfsg"); + if (str != NULL) + *str = '\0'; + + return tmp; +} + +static gboolean +gs_plugin_odrs_invalidate_cache (AsReview *review, GError **error) +{ + g_autofree gchar *cachefn_basename = NULL; + g_autofree gchar *cachefn = NULL; + g_autoptr(GFile) cachefn_file = NULL; + + /* look in the cache */ + cachefn_basename = g_strdup_printf ("%s.json", + as_review_get_metadata_item (review, "app_id")); + cachefn = gs_utils_get_cache_filename ("odrs", + cachefn_basename, + GS_UTILS_CACHE_FLAG_WRITEABLE, + error); + if (cachefn == NULL) + return FALSE; + cachefn_file = g_file_new_for_path (cachefn); + if (!g_file_query_exists (cachefn_file, NULL)) + return TRUE; + return g_file_delete (cachefn_file, NULL, error); +} + +gboolean +gs_plugin_review_submit (GsPlugin *plugin, + GsApp *app, + AsReview *review, + GCancellable *cancellable, + GError **error) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + g_autofree gchar *data = NULL; + g_autofree gchar *uri = NULL; + g_autofree gchar *version = NULL; + g_autoptr(JsonBuilder) builder = NULL; + g_autoptr(JsonGenerator) json_generator = NULL; + g_autoptr(JsonNode) json_root = NULL; + + /* save as we don't re-request the review from the server */ + as_review_add_flags (review, AS_REVIEW_FLAG_SELF); + as_review_set_reviewer_name (review, g_get_real_name ()); + as_review_add_metadata (review, "app_id", gs_app_get_id (app)); + as_review_add_metadata (review, "user_skey", + gs_app_get_metadata_item (app, "ODRS::user_skey")); + + /* create object with review data */ + builder = json_builder_new (); + json_builder_begin_object (builder); + json_builder_set_member_name (builder, "user_hash"); + json_builder_add_string_value (builder, priv->user_hash); + json_builder_set_member_name (builder, "user_skey"); + json_builder_add_string_value (builder, + as_review_get_metadata_item (review, "user_skey")); + json_builder_set_member_name (builder, "app_id"); + json_builder_add_string_value (builder, + as_review_get_metadata_item (review, "app_id")); + json_builder_set_member_name (builder, "locale"); + json_builder_add_string_value (builder, gs_plugin_get_locale (plugin)); + json_builder_set_member_name (builder, "distro"); + json_builder_add_string_value (builder, priv->distro); + json_builder_set_member_name (builder, "version"); + version = gs_plugin_odrs_sanitize_version (as_review_get_version (review)); + json_builder_add_string_value (builder, version); + json_builder_set_member_name (builder, "user_display"); + json_builder_add_string_value (builder, as_review_get_reviewer_name (review)); + json_builder_set_member_name (builder, "summary"); + json_builder_add_string_value (builder, as_review_get_summary (review)); + json_builder_set_member_name (builder, "description"); + json_builder_add_string_value (builder, as_review_get_description (review)); + json_builder_set_member_name (builder, "rating"); + json_builder_add_int_value (builder, as_review_get_rating (review)); + json_builder_end_object (builder); + + /* export as a string */ + json_root = json_builder_get_root (builder); + json_generator = json_generator_new (); + json_generator_set_pretty (json_generator, TRUE); + json_generator_set_root (json_generator, json_root); + data = json_generator_to_data (json_generator, NULL); + + /* clear cache */ + if (!gs_plugin_odrs_invalidate_cache (review, error)) + return FALSE; + + /* POST */ + uri = g_strdup_printf ("%s/submit", priv->review_server); + return gs_plugin_odrs_json_post (gs_plugin_get_soup_session (plugin), + uri, data, error); +} + +static gboolean +gs_plugin_odrs_vote (GsPlugin *plugin, AsReview *review, + const gchar *uri, GError **error) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + const gchar *tmp; + g_autofree gchar *data = NULL; + g_autoptr(JsonBuilder) builder = NULL; + g_autoptr(JsonGenerator) json_generator = NULL; + g_autoptr(JsonNode) json_root = NULL; + + /* create object with vote data */ + builder = json_builder_new (); + json_builder_begin_object (builder); + + json_builder_set_member_name (builder, "user_hash"); + json_builder_add_string_value (builder, priv->user_hash); + json_builder_set_member_name (builder, "user_skey"); + json_builder_add_string_value (builder, + as_review_get_metadata_item (review, "user_skey")); + json_builder_set_member_name (builder, "app_id"); + json_builder_add_string_value (builder, + as_review_get_metadata_item (review, "app_id")); + tmp = as_review_get_id (review); + if (tmp != NULL) { + gint64 review_id; + json_builder_set_member_name (builder, "review_id"); + review_id = g_ascii_strtoll (tmp, NULL, 10); + json_builder_add_int_value (builder, review_id); + } + json_builder_end_object (builder); + + /* export as a string */ + json_root = json_builder_get_root (builder); + json_generator = json_generator_new (); + json_generator_set_pretty (json_generator, TRUE); + json_generator_set_root (json_generator, json_root); + data = json_generator_to_data (json_generator, NULL); + if (data == NULL) + return FALSE; + + /* clear cache */ + if (!gs_plugin_odrs_invalidate_cache (review, error)) + return FALSE; + + /* send to server */ + if (!gs_plugin_odrs_json_post (gs_plugin_get_soup_session (plugin), + uri, data, error)) + return FALSE; + + /* mark as voted */ + as_review_add_flags (review, AS_REVIEW_FLAG_VOTED); + + /* success */ + return TRUE; +} + +gboolean +gs_plugin_review_report (GsPlugin *plugin, + GsApp *app, + AsReview *review, + GCancellable *cancellable, + GError **error) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + g_autofree gchar *uri = NULL; + uri = g_strdup_printf ("%s/report", priv->review_server); + return gs_plugin_odrs_vote (plugin, review, uri, error); +} + +gboolean +gs_plugin_review_upvote (GsPlugin *plugin, + GsApp *app, + AsReview *review, + GCancellable *cancellable, + GError **error) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + g_autofree gchar *uri = NULL; + uri = g_strdup_printf ("%s/upvote", priv->review_server); + return gs_plugin_odrs_vote (plugin, review, uri, error); +} + +gboolean +gs_plugin_review_downvote (GsPlugin *plugin, + GsApp *app, + AsReview *review, + GCancellable *cancellable, + GError **error) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + g_autofree gchar *uri = NULL; + uri = g_strdup_printf ("%s/downvote", priv->review_server); + return gs_plugin_odrs_vote (plugin, review, uri, error); +} + +gboolean +gs_plugin_review_dismiss (GsPlugin *plugin, + GsApp *app, + AsReview *review, + GCancellable *cancellable, + GError **error) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + g_autofree gchar *uri = NULL; + uri = g_strdup_printf ("%s/dismiss", priv->review_server); + return gs_plugin_odrs_vote (plugin, review, uri, error); +} + +gboolean +gs_plugin_review_remove (GsPlugin *plugin, + GsApp *app, + AsReview *review, + GCancellable *cancellable, + GError **error) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + g_autofree gchar *uri = NULL; + uri = g_strdup_printf ("%s/remove", priv->review_server); + return gs_plugin_odrs_vote (plugin, review, uri, error); +} + +static GsApp * +gs_plugin_create_app_dummy (const gchar *id) +{ + GsApp *app = gs_app_new (id); + g_autoptr(GString) str = NULL; + str = g_string_new (id); + as_utils_string_replace (str, ".desktop", ""); + g_string_prepend (str, "No description is available for "); + gs_app_set_name (app, GS_APP_QUALITY_LOWEST, "Unknown Application"); + gs_app_set_summary (app, GS_APP_QUALITY_LOWEST, "Application not found"); + gs_app_set_description (app, GS_APP_QUALITY_LOWEST, str->str); + return app; +} + +gboolean +gs_plugin_add_unvoted_reviews (GsPlugin *plugin, + GsAppList *list, + GCancellable *cancellable, + GError **error) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + guint status_code; + guint i; + g_autofree gchar *uri = NULL; + g_autoptr(GHashTable) hash = NULL; + g_autoptr(GPtrArray) reviews = NULL; + g_autoptr(SoupMessage) msg = NULL; + + /* create the GET data *with* the machine hash so we can later + * review the application ourselves */ + uri = g_strdup_printf ("%s/moderate/%s/%s", + priv->review_server, + priv->user_hash, + gs_plugin_get_locale (plugin)); + msg = soup_message_new (SOUP_METHOD_GET, uri); + status_code = soup_session_send_message (gs_plugin_get_soup_session (plugin), msg); + if (status_code != SOUP_STATUS_OK) { + if (!gs_plugin_odrs_parse_success (msg->response_body->data, + msg->response_body->length, + error)) + return FALSE; + /* not sure what to do here */ + g_set_error_literal (error, + GS_PLUGIN_ERROR, + GS_PLUGIN_ERROR_DOWNLOAD_FAILED, + "status code invalid"); + gs_utils_error_add_origin_id (error, priv->cached_origin); + return FALSE; + } + g_debug ("odrs returned: %s", msg->response_body->data); + reviews = gs_plugin_odrs_parse_reviews (plugin, + msg->response_body->data, + msg->response_body->length, + error); + if (reviews == NULL) + return FALSE; + + /* look at all the reviews; faking application objects */ + hash = g_hash_table_new_full (g_str_hash, g_str_equal, + g_free, (GDestroyNotify) g_object_unref); + for (i = 0; i < reviews->len; i++) { + GsApp *app; + AsReview *review; + const gchar *app_id; + + /* same app? */ + review = g_ptr_array_index (reviews, i); + app_id = as_review_get_metadata_item (review, "app_id"); + app = g_hash_table_lookup (hash, app_id); + if (app == NULL) { + app = gs_plugin_create_app_dummy (app_id); + gs_app_list_add (list, app); + g_hash_table_insert (hash, g_strdup (app_id), app); + } + gs_app_add_review (app, review); + } + + return TRUE; +} |