diff options
Diffstat (limited to 'plugins/snap/gs-plugin-snap.c')
| -rw-r--r-- | plugins/snap/gs-plugin-snap.c | 1924 |
1 files changed, 1924 insertions, 0 deletions
diff --git a/plugins/snap/gs-plugin-snap.c b/plugins/snap/gs-plugin-snap.c new file mode 100644 index 0000000..460641c --- /dev/null +++ b/plugins/snap/gs-plugin-snap.c @@ -0,0 +1,1924 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- + * vi:set noexpandtab tabstop=8 shiftwidth=8: + * + * Copyright (C) 2015-2018 Canonical Ltd + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> + +#include <gio/gdesktopappinfo.h> +#include <glib/gi18n.h> +#include <json-glib/json-glib.h> +#include <snapd-glib/snapd-glib.h> +#include <gnome-software.h> + +#include "gs-plugin-snap.h" + +/* + * SECTION: + * Lists and allows installation/uninstallation of snaps from the snap store. + * + * Since snapd is a daemon accessible via HTTP calls on a Unix socket, this + * plugin basically translates every job into one or more HTTP request, and all + * the real work is done in the snapd daemon. FIXME: This means the plugin can + * therefore execute entirely in the main thread, making asynchronous calls, + * once all the vfuncs have been ported. + */ + +struct _GsPluginSnap { + GsPlugin parent; + + gchar *store_name; + gchar *store_hostname; + SnapdSystemConfinement system_confinement; + + GMutex store_snaps_lock; + GHashTable *store_snaps; +}; + +G_DEFINE_TYPE (GsPluginSnap, gs_plugin_snap, GS_TYPE_PLUGIN) + +typedef struct { + SnapdSnap *snap; + gboolean full_details; +} CacheEntry; + +static CacheEntry * +cache_entry_new (SnapdSnap *snap, gboolean full_details) +{ + CacheEntry *entry = g_slice_new (CacheEntry); + entry->snap = g_object_ref (snap); + entry->full_details = full_details; + return entry; +} + +static void +cache_entry_free (CacheEntry *entry) +{ + g_object_unref (entry->snap); + g_slice_free (CacheEntry, entry); +} + +static SnapdAuthData * +get_auth_data (GsPluginSnap *self) +{ + g_autofree gchar *path = NULL; + g_autoptr(JsonParser) parser = NULL; + JsonNode *root; + JsonObject *object; + const gchar *macaroon; + g_autoptr(GPtrArray) discharges = NULL; + g_autoptr(GError) error = NULL; + + path = g_build_filename (g_get_home_dir (), ".snap", "auth.json", NULL); + parser = json_parser_new (); + if (!json_parser_load_from_file (parser, path, &error)) { + if (!g_error_matches (error, G_FILE_ERROR, G_FILE_ERROR_NOENT)) + g_warning ("Failed to load snap auth data: %s", error->message); + return NULL; + } + + root = json_parser_get_root (parser); + if (root == NULL) + return NULL; + + if (json_node_get_node_type (root) != JSON_NODE_OBJECT) { + g_warning ("Ignoring invalid snap auth data in %s", path); + return NULL; + } + object = json_node_get_object (root); + if (!json_object_has_member (object, "macaroon")) { + g_warning ("Ignoring invalid snap auth data in %s", path); + return NULL; + } + macaroon = json_object_get_string_member (object, "macaroon"); + discharges = g_ptr_array_new (); + if (json_object_has_member (object, "discharges")) { + JsonArray *discharge_array; + + discharge_array = json_object_get_array_member (object, "discharges"); + for (guint i = 0; i < json_array_get_length (discharge_array); i++) + g_ptr_array_add (discharges, (gpointer) json_array_get_string_element (discharge_array, i)); + } + g_ptr_array_add (discharges, NULL); + + return snapd_auth_data_new (macaroon, (GStrv) discharges->pdata); +} + +static SnapdClient * +get_client (GsPluginSnap *self, + gboolean interactive, + GError **error) +{ + g_autoptr(SnapdClient) client = NULL; + const gchar *old_user_agent; + g_autofree gchar *user_agent = NULL; + g_autoptr(SnapdAuthData) auth_data = NULL; + + client = snapd_client_new (); + snapd_client_set_allow_interaction (client, interactive); + old_user_agent = snapd_client_get_user_agent (client); + user_agent = g_strdup_printf ("%s %s", gs_user_agent (), old_user_agent); + snapd_client_set_user_agent (client, user_agent); + + auth_data = get_auth_data (self); + snapd_client_set_auth_data (client, auth_data); + + return g_steal_pointer (&client); +} + +static void +gs_plugin_snap_init (GsPluginSnap *self) +{ + g_autoptr(SnapdClient) client = NULL; + g_autoptr (GError) error = NULL; + + g_mutex_init (&self->store_snaps_lock); + + client = get_client (self, FALSE, &error); + if (client == NULL) { + gs_plugin_set_enabled (GS_PLUGIN (self), FALSE); + return; + } + + self->store_snaps = g_hash_table_new_full (g_str_hash, g_str_equal, + g_free, (GDestroyNotify) cache_entry_free); + + gs_plugin_add_rule (GS_PLUGIN (self), GS_PLUGIN_RULE_BETTER_THAN, "packagekit"); + gs_plugin_add_rule (GS_PLUGIN (self), GS_PLUGIN_RULE_RUN_BEFORE, "icons"); + + /* set name of MetaInfo file */ + gs_plugin_set_appstream_id (GS_PLUGIN (self), "org.gnome.Software.Plugin.Snap"); +} + +void +gs_plugin_adopt_app (GsPlugin *plugin, GsApp *app) +{ + if (gs_app_get_bundle_kind (app) == AS_BUNDLE_KIND_SNAP) + gs_app_set_management_plugin (app, plugin); + + if (gs_app_get_id (app) != NULL && g_str_has_prefix (gs_app_get_id (app), "io.snapcraft.")) { + g_autofree gchar *name_and_id = NULL; + gchar *divider, *snap_name;/*, *id;*/ + + name_and_id = g_strdup (gs_app_get_id (app) + strlen ("io.snapcraft.")); + divider = strrchr (name_and_id, '-'); + if (divider != NULL) { + *divider = '\0'; + snap_name = name_and_id; + /*id = divider + 1;*/ /* NOTE: Should probably validate ID */ + + gs_app_set_management_plugin (app, plugin); + gs_app_set_metadata (app, "snap::name", snap_name); + gs_app_set_bundle_kind (app, AS_BUNDLE_KIND_SNAP); + } + } +} + +static void +snapd_error_convert (GError **perror) +{ + GError *error = perror != NULL ? *perror : NULL; + + /* not set */ + if (error == NULL) + return; + + /* this are allowed for low-level errors */ + if (gs_utils_error_convert_gio (perror)) + return; + + /* custom to this plugin */ + if (error->domain == SNAPD_ERROR) { + switch (error->code) { + case SNAPD_ERROR_AUTH_DATA_REQUIRED: + error->code = GS_PLUGIN_ERROR_AUTH_REQUIRED; + g_free (error->message); + error->message = g_strdup ("Requires authentication with @snapd"); + break; + case SNAPD_ERROR_AUTH_DATA_INVALID: + case SNAPD_ERROR_TWO_FACTOR_INVALID: + error->code = GS_PLUGIN_ERROR_AUTH_INVALID; + break; + case SNAPD_ERROR_AUTH_CANCELLED: + error->code = GS_PLUGIN_ERROR_CANCELLED; + break; + case SNAPD_ERROR_CONNECTION_FAILED: + case SNAPD_ERROR_WRITE_FAILED: + case SNAPD_ERROR_READ_FAILED: + case SNAPD_ERROR_BAD_REQUEST: + case SNAPD_ERROR_BAD_RESPONSE: + case SNAPD_ERROR_PERMISSION_DENIED: + case SNAPD_ERROR_FAILED: + case SNAPD_ERROR_TERMS_NOT_ACCEPTED: + case SNAPD_ERROR_PAYMENT_NOT_SETUP: + case SNAPD_ERROR_PAYMENT_DECLINED: + case SNAPD_ERROR_ALREADY_INSTALLED: + case SNAPD_ERROR_NOT_INSTALLED: + case SNAPD_ERROR_NO_UPDATE_AVAILABLE: + case SNAPD_ERROR_PASSWORD_POLICY_ERROR: + case SNAPD_ERROR_NEEDS_DEVMODE: + case SNAPD_ERROR_NEEDS_CLASSIC: + case SNAPD_ERROR_NEEDS_CLASSIC_SYSTEM: + default: + error->code = GS_PLUGIN_ERROR_FAILED; + break; + } + } else { + g_warning ("can't reliably fixup error from domain %s", + g_quark_to_string (error->domain)); + error->code = GS_PLUGIN_ERROR_FAILED; + } + error->domain = GS_PLUGIN_ERROR; +} + +static void get_system_information_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data); + +static void get_store_snap_async (GsPluginSnap *self, + SnapdClient *client, + const gchar *name, + gboolean need_details, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data); +static SnapdSnap *get_store_snap_finish (GsPluginSnap *self, + GAsyncResult *result, + GError **error); +static void add_channels (GsPluginSnap *self, + SnapdSnap *snap, + GsAppList *list); + +static void +gs_plugin_snap_setup_async (GsPlugin *plugin, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data) +{ + GsPluginSnap *self = GS_PLUGIN_SNAP (plugin); + g_autoptr(SnapdClient) client = NULL; + g_autoptr(GTask) task = NULL; + gboolean interactive = gs_plugin_has_flags (plugin, GS_PLUGIN_FLAGS_INTERACTIVE); + g_autoptr(GError) local_error = NULL; + + task = g_task_new (plugin, cancellable, callback, user_data); + g_task_set_source_tag (task, gs_plugin_snap_setup_async); + + client = get_client (self, interactive, &local_error); + if (client == NULL) { + g_task_return_error (task, g_steal_pointer (&local_error)); + return; + } + + snapd_client_get_system_information_async (client, cancellable, + get_system_information_cb, g_steal_pointer (&task)); +} + +static void +get_system_information_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + SnapdClient *client = SNAPD_CLIENT (source_object); + g_autoptr(GTask) task = g_steal_pointer (&user_data); + GsPluginSnap *self = g_task_get_source_object (task); + g_autoptr(SnapdSystemInformation) system_information = NULL; + g_autoptr(GError) local_error = NULL; + + system_information = snapd_client_get_system_information_finish (client, result, &local_error); + if (system_information == NULL) { + g_task_return_error (task, g_steal_pointer (&local_error)); + return; + } + + self->store_name = g_strdup (snapd_system_information_get_store (system_information)); + if (self->store_name == NULL) { + self->store_name = g_strdup (/* TRANSLATORS: default snap store name */ + _("Snap Store")); + self->store_hostname = g_strdup ("snapcraft.io"); + } + self->system_confinement = snapd_system_information_get_confinement (system_information); + + g_debug ("Version '%s' on OS %s %s", + snapd_system_information_get_version (system_information), + snapd_system_information_get_os_id (system_information), + snapd_system_information_get_os_version (system_information)); + + /* success */ + g_task_return_boolean (task, TRUE); +} + +static gboolean +gs_plugin_snap_setup_finish (GsPlugin *plugin, + GAsyncResult *result, + GError **error) +{ + return g_task_propagate_boolean (G_TASK (result), error); +} + +static SnapdSnap * +store_snap_cache_lookup (GsPluginSnap *self, + const gchar *name, + gboolean need_details) +{ + CacheEntry *entry; + g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&self->store_snaps_lock); + + entry = g_hash_table_lookup (self->store_snaps, name); + if (entry == NULL) + return NULL; + + if (need_details && !entry->full_details) + return NULL; + + return g_object_ref (entry->snap); +} + +static void +store_snap_cache_update (GsPluginSnap *self, + GPtrArray *snaps, + gboolean full_details) +{ + g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&self->store_snaps_lock); + guint i; + + for (i = 0; i < snaps->len; i++) { + SnapdSnap *snap = snaps->pdata[i]; + g_debug ("Caching '%s' by '%s' version %s revision %s", + snapd_snap_get_title (snap), + snapd_snap_get_publisher_display_name (snap), + snapd_snap_get_version (snap), + snapd_snap_get_revision (snap)); + g_hash_table_insert (self->store_snaps, g_strdup (snapd_snap_get_name (snap)), cache_entry_new (snap, full_details)); + } +} + +static GPtrArray * +find_snaps (GsPluginSnap *self, + SnapdClient *client, + SnapdFindFlags flags, + const gchar *section, + const gchar *query, + GCancellable *cancellable, + GError **error) +{ + g_autoptr(GPtrArray) snaps = NULL; + + snaps = snapd_client_find_section_sync (client, flags, section, query, NULL, cancellable, error); + if (snaps == NULL) { + snapd_error_convert (error); + return NULL; + } + + store_snap_cache_update (self, snaps, flags & SNAPD_FIND_FLAGS_MATCH_NAME); + + return g_steal_pointer (&snaps); +} + +static gchar * +get_appstream_id (SnapdSnap *snap) +{ + GStrv common_ids; + + /* Get the AppStream ID from the snap, or generate a fallback one */ + common_ids = snapd_snap_get_common_ids (snap); + if (g_strv_length (common_ids) == 1) + return g_strdup (common_ids[0]); + else + return g_strdup_printf ("io.snapcraft.%s-%s", snapd_snap_get_name (snap), snapd_snap_get_id (snap)); +} + +static AsComponentKind +snap_guess_component_kind (SnapdSnap *snap) +{ + switch (snapd_snap_get_snap_type (snap)) { + case SNAPD_SNAP_TYPE_APP: + return AS_COMPONENT_KIND_DESKTOP_APP; + case SNAPD_SNAP_TYPE_KERNEL: + case SNAPD_SNAP_TYPE_GADGET: + case SNAPD_SNAP_TYPE_OS: + return AS_COMPONENT_KIND_RUNTIME; + default: + case SNAPD_SNAP_TYPE_UNKNOWN: + return AS_COMPONENT_KIND_UNKNOWN; + } +} + +static GsApp * +snap_to_app (GsPluginSnap *self, SnapdSnap *snap, const gchar *branch) +{ + g_autofree gchar *cache_id = NULL; + g_autoptr(GsApp) app = NULL; + + cache_id = g_strdup_printf ("%s:%s", snapd_snap_get_name (snap), branch != NULL ? branch : ""); + + app = gs_plugin_cache_lookup (GS_PLUGIN (self), cache_id); + if (app == NULL) { + g_autofree gchar *appstream_id = NULL; + + appstream_id = get_appstream_id (snap); + app = gs_app_new (appstream_id); + gs_app_set_kind (app, snap_guess_component_kind (snap)); + gs_app_set_bundle_kind (app, AS_BUNDLE_KIND_SNAP); + gs_app_set_branch (app, branch); + gs_app_set_metadata (app, "snap::name", snapd_snap_get_name (snap)); + gs_app_set_metadata (app, "GnomeSoftware::PackagingIcon", "snap-symbolic"); + gs_plugin_cache_add (GS_PLUGIN (self), cache_id, app); + } + + gs_app_set_management_plugin (app, GS_PLUGIN (self)); + gs_app_add_quirk (app, GS_APP_QUIRK_DO_NOT_AUTO_UPDATE); + if (gs_app_get_kind (app) != AS_COMPONENT_KIND_DESKTOP_APP) + gs_app_add_quirk (app, GS_APP_QUIRK_NOT_LAUNCHABLE); + if (gs_plugin_check_distro_id (GS_PLUGIN (self), "ubuntu")) + gs_app_add_quirk (app, GS_APP_QUIRK_PROVENANCE); + if (branch != NULL && (g_str_has_suffix (branch, "/beta") || g_str_has_suffix (branch, "/edge"))) + gs_app_add_quirk (app, GS_APP_QUIRK_DEVELOPMENT_SOURCE); + + return g_steal_pointer (&app); +} + +gboolean +gs_plugin_url_to_app (GsPlugin *plugin, + GsAppList *list, + const gchar *url, + GCancellable *cancellable, + GError **error) +{ + GsPluginSnap *self = GS_PLUGIN_SNAP (plugin); + g_autoptr(SnapdClient) client = NULL; + g_autofree gchar *scheme = NULL; + g_autofree gchar *path = NULL; + g_autoptr(GPtrArray) snaps = NULL; + g_autoptr(GsApp) app = NULL; + gboolean interactive = gs_plugin_has_flags (plugin, GS_PLUGIN_FLAGS_INTERACTIVE); + + /* not us */ + scheme = gs_utils_get_url_scheme (url); + if (g_strcmp0 (scheme, "snap") != 0 && + g_strcmp0 (scheme, "appstream") != 0) + return TRUE; + + /* Create client. */ + client = get_client (self, interactive, error); + if (client == NULL) + return FALSE; + + /* create app */ + path = gs_utils_get_url_path (url); + snaps = find_snaps (self, client, + SNAPD_FIND_FLAGS_SCOPE_WIDE | SNAPD_FIND_FLAGS_MATCH_NAME, + NULL, path, cancellable, NULL); + if (snaps == NULL || snaps->len < 1) { + g_clear_pointer (&snaps, g_ptr_array_unref); + /* This works for the appstream:// URL-s */ + snaps = find_snaps (self, client, + SNAPD_FIND_FLAGS_SCOPE_WIDE | SNAPD_FIND_FLAGS_MATCH_COMMON_ID, + NULL, path, cancellable, NULL); + } + if (snaps == NULL || snaps->len < 1) + return TRUE; + + app = snap_to_app (self, g_ptr_array_index (snaps, 0), NULL); + gs_app_list_add (list, app); + + return TRUE; +} + +static void +gs_plugin_snap_dispose (GObject *object) +{ + GsPluginSnap *self = GS_PLUGIN_SNAP (object); + + g_clear_pointer (&self->store_name, g_free); + g_clear_pointer (&self->store_hostname, g_free); + g_clear_pointer (&self->store_snaps, g_hash_table_unref); + + G_OBJECT_CLASS (gs_plugin_snap_parent_class)->dispose (object); +} + +static void +gs_plugin_snap_finalize (GObject *object) +{ + GsPluginSnap *self = GS_PLUGIN_SNAP (object); + + g_mutex_clear (&self->store_snaps_lock); + + G_OBJECT_CLASS (gs_plugin_snap_parent_class)->finalize (object); +} + +static gboolean +is_banner_image (const gchar *filename) +{ + /* Check if this screenshot was uploaded as "banner.png" or "banner.jpg". + * The server optionally adds a 7 character suffix onto it if it would collide with + * an existing name, e.g. "banner_MgEy4MI.png" + * See https://forum.snapcraft.io/t/improve-method-for-setting-featured-snap-banner-image-in-store/ + */ + return g_regex_match_simple ("^banner(?:_[a-zA-Z0-9]{7})?\\.(?:png|jpg)$", filename, 0, 0); +} + +static gboolean +is_banner_icon_image (const gchar *filename) +{ + /* Check if this screenshot was uploaded as "banner-icon.png" or "banner-icon.jpg". + * The server optionally adds a 7 character suffix onto it if it would collide with + * an existing name, e.g. "banner-icon_Ugn6pmj.png" + * See https://forum.snapcraft.io/t/improve-method-for-setting-featured-snap-banner-image-in-store/ + */ + return g_regex_match_simple ("^banner-icon(?:_[a-zA-Z0-9]{7})?\\.(?:png|jpg)$", filename, 0, 0); +} + +/* Build a string representation of the IDs of a category and its parents. + * For example, `develop/featured`. */ +static gchar * +category_build_full_path (GsCategory *category) +{ + g_autoptr(GString) id = g_string_new (""); + GsCategory *c; + + for (c = category; c != NULL; c = gs_category_get_parent (c)) { + if (c != category) + g_string_prepend (id, "/"); + g_string_prepend (id, gs_category_get_id (c)); + } + + return g_string_free (g_steal_pointer (&id), FALSE); +} + +typedef struct { + /* In-progress data. */ + guint n_pending_ops; + GError *saved_error; /* (owned) (nullable) */ + GsAppList *results_list; /* (owned) (nullable) */ +} ListAppsData; + +static void +list_apps_data_free (ListAppsData *data) +{ + /* Error should have been propagated by now, and all pending ops completed. */ + g_assert (data->saved_error == NULL); + g_assert (data->n_pending_ops == 0); + g_assert (data->results_list == NULL); + + g_free (data); +} + +G_DEFINE_AUTOPTR_CLEANUP_FUNC (ListAppsData, list_apps_data_free) + +static void list_installed_apps_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data); +static void list_alternate_apps_snap_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data); +static void list_alternate_apps_nonsnap_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data); +static void list_alternative_apps_nonsnap_get_store_snap_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data); +static void list_apps_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data); +static void finish_list_apps_op (GTask *task, + GError *error); + +static void +gs_plugin_snap_list_apps_async (GsPlugin *plugin, + GsAppQuery *query, + GsPluginListAppsFlags flags, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data) +{ + GsPluginSnap *self = GS_PLUGIN_SNAP (plugin); + g_autoptr(GTask) task = NULL; + g_autoptr(ListAppsData) owned_data = NULL; + ListAppsData *data; + g_autoptr(SnapdClient) client = NULL; + gboolean interactive = (flags & GS_PLUGIN_LIST_APPS_FLAGS_INTERACTIVE); + GsAppQueryTristate is_curated = GS_APP_QUERY_TRISTATE_UNSET; + GsCategory *category = NULL; + GsAppQueryTristate is_installed = GS_APP_QUERY_TRISTATE_UNSET; + const gchar * const *keywords = NULL; + GsApp *alternate_of = NULL; + const gchar * const *sections = NULL; + const gchar * const curated_sections[] = { "featured", NULL }; + g_autoptr(GError) local_error = NULL; + + task = g_task_new (plugin, cancellable, callback, user_data); + data = owned_data = g_new0 (ListAppsData, 1); + g_task_set_task_data (task, g_steal_pointer (&owned_data), (GDestroyNotify) list_apps_data_free); + g_task_set_source_tag (task, gs_plugin_snap_list_apps_async); + + client = get_client (self, interactive, &local_error); + if (client == NULL) { + g_task_return_error (task, g_steal_pointer (&local_error)); + return; + } + + if (query != NULL) { + is_curated = gs_app_query_get_is_curated (query); + category = gs_app_query_get_category (query); + is_installed = gs_app_query_get_is_installed (query); + keywords = gs_app_query_get_keywords (query); + alternate_of = gs_app_query_get_alternate_of (query); + } + + /* Currently only support a subset of query properties, and only one set at once. + * Also don’t currently support GS_APP_QUERY_TRISTATE_FALSE. */ + if ((is_curated == GS_APP_QUERY_TRISTATE_UNSET && + category == NULL && + is_installed == GS_APP_QUERY_TRISTATE_UNSET && + keywords == NULL && + alternate_of == NULL) || + is_curated == GS_APP_QUERY_TRISTATE_FALSE || + is_installed == GS_APP_QUERY_TRISTATE_FALSE || + gs_app_query_get_n_properties_set (query) != 1) { + g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, + "Unsupported query"); + return; + } + + data->results_list = gs_app_list_new (); + + /* Listing installed apps requires calling a different libsnapd method, + * so check that first. */ + if (is_installed != GS_APP_QUERY_TRISTATE_UNSET) { + data->n_pending_ops++; + snapd_client_get_snaps_async (client, SNAPD_GET_SNAPS_FLAGS_NONE, NULL, + cancellable, list_installed_apps_cb, g_steal_pointer (&task)); + return; + } + + /* Listing alternates also requires special handling. */ + if (alternate_of != NULL) { + /* If it is a snap, find the channels that snap provides, otherwise find snaps that match on common id */ + if (gs_app_has_management_plugin (alternate_of, plugin)) { + const gchar *snap_name; + + snap_name = gs_app_get_metadata_item (alternate_of, "snap::name"); + + data->n_pending_ops++; + get_store_snap_async (self, client, snap_name, TRUE, cancellable, list_alternate_apps_snap_cb, g_steal_pointer (&task)); + /* The id can be NULL for example for local package files */ + } else if (gs_app_get_id (alternate_of) != NULL) { + data->n_pending_ops++; + snapd_client_find_section_async (client, + SNAPD_FIND_FLAGS_SCOPE_WIDE | SNAPD_FIND_FLAGS_MATCH_COMMON_ID, + NULL, gs_app_get_id (alternate_of), + cancellable, + list_alternate_apps_nonsnap_cb, g_steal_pointer (&task)); + } else { + g_clear_object (&data->results_list); + g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, + "Unsupported app without id"); + } + + return; + } + + /* Querying with keywords also requires calling the method differently. + * snapd will tokenise and stem @query internally. */ + if (keywords != NULL) { + g_autofree gchar *query_str = NULL; + + query_str = g_strjoinv (" ", (gchar **) keywords); + data->n_pending_ops++; + snapd_client_find_section_async (client, SNAPD_FIND_FLAGS_SCOPE_WIDE, NULL, query_str, + cancellable, list_apps_cb, g_steal_pointer (&task)); + return; + } + + /* Work out which sections we’re querying for. */ + if (is_curated != GS_APP_QUERY_TRISTATE_UNSET) { + sections = curated_sections; + } else if (category != NULL) { + g_autofree gchar *category_path = NULL; + + /* + * Unused categories: + * + * health-and-fitness + * personalisation + * devices-and-iot + * security + * server-and-cloud + * entertainment + */ + const struct { + const gchar *category_path; + const gchar *sections[4]; + } category_to_sections_map[] = { + { "play/featured", { "games", NULL, }}, + { "create/featured", { "photo-and-video", "art-and-design", "music-and-video", NULL, }}, + { "socialize/featured", { "social", "news-and-weather", NULL, }}, + { "work/featured", { "productivity", "finance", "utilities", NULL, }}, + { "develop/featured", { "development", NULL, }}, + { "learn/featured", { "education", "science", "books-and-reference", NULL, }}, + }; + + category_path = category_build_full_path (category); + + for (gsize i = 0; i < G_N_ELEMENTS (category_to_sections_map); i++) { + if (g_str_equal (category_to_sections_map[i].category_path, category_path)) { + sections = category_to_sections_map[i].sections; + break; + } + } + } + + /* Start a query for each of the sections we’re interested in, keeping a + * counter of pending operations which is initialised to 1 until all + * the operations are started. */ + data->n_pending_ops = 1; + + for (gsize i = 0; sections != NULL && sections[i] != NULL; i++) { + data->n_pending_ops++; + snapd_client_find_section_async (client, SNAPD_FIND_FLAGS_SCOPE_WIDE, sections[i], NULL, + cancellable, list_apps_cb, g_object_ref (task)); + } + + finish_list_apps_op (task, NULL); +} + +static void +list_installed_apps_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + SnapdClient *client = SNAPD_CLIENT (source_object); + g_autoptr(GTask) task = G_TASK (user_data); + GsPluginSnap *self = g_task_get_source_object (task); + ListAppsData *data = g_task_get_task_data (task); + g_autoptr(GPtrArray) snaps = NULL; + g_autoptr(GError) local_error = NULL; + + snaps = snapd_client_get_snaps_finish (client, result, &local_error); + + if (snaps == NULL) { + snapd_error_convert (&local_error); + } + + for (guint i = 0; snaps != NULL && i < snaps->len; i++) { + SnapdSnap *snap = g_ptr_array_index (snaps, i); + g_autoptr(GsApp) app = NULL; + + app = snap_to_app (self, snap, NULL); + gs_app_list_add (data->results_list, app); + } + + finish_list_apps_op (task, g_steal_pointer (&local_error)); +} + +static void +list_alternate_apps_snap_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + GsPluginSnap *self = GS_PLUGIN_SNAP (source_object); + g_autoptr(GTask) task = G_TASK (user_data); + ListAppsData *data = g_task_get_task_data (task); + g_autoptr(SnapdSnap) snap = NULL; + g_autoptr(GError) local_error = NULL; + + snap = get_store_snap_finish (self, result, &local_error); + + if (snap != NULL) + add_channels (self, snap, data->results_list); + + finish_list_apps_op (task, g_steal_pointer (&local_error)); +} + +static void +list_alternate_apps_nonsnap_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + SnapdClient *client = SNAPD_CLIENT (source_object); + g_autoptr(GTask) task = G_TASK (user_data); + GsPluginSnap *self = g_task_get_source_object (task); + GCancellable *cancellable = g_task_get_cancellable (task); + ListAppsData *data = g_task_get_task_data (task); + g_autoptr(GPtrArray) snaps = NULL; + g_autoptr(GError) local_error = NULL; + + snaps = snapd_client_find_section_finish (client, result, NULL, &local_error); + + if (snaps == NULL) { + snapd_error_convert (&local_error); + finish_list_apps_op (task, g_steal_pointer (&local_error)); + return; + } + + store_snap_cache_update (self, snaps, FALSE); + + for (guint i = 0; snaps != NULL && i < snaps->len; i++) { + SnapdSnap *snap = g_ptr_array_index (snaps, i); + + data->n_pending_ops++; + get_store_snap_async (self, client, snapd_snap_get_name (snap), + TRUE, cancellable, list_alternative_apps_nonsnap_get_store_snap_cb, g_object_ref (task)); + } + + finish_list_apps_op (task, NULL); +} + +static void +list_alternative_apps_nonsnap_get_store_snap_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + GsPluginSnap *self = GS_PLUGIN_SNAP (source_object); + g_autoptr(GTask) task = G_TASK (user_data); + ListAppsData *data = g_task_get_task_data (task); + g_autoptr(SnapdSnap) store_snap = NULL; + g_autoptr(GError) local_error = NULL; + + store_snap = get_store_snap_finish (self, result, &local_error); + + if (store_snap != NULL) + add_channels (self, store_snap, data->results_list); + + finish_list_apps_op (task, g_steal_pointer (&local_error)); +} + +static void +list_apps_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + SnapdClient *client = SNAPD_CLIENT (source_object); + g_autoptr(GTask) task = G_TASK (user_data); + GsPluginSnap *self = g_task_get_source_object (task); + ListAppsData *data = g_task_get_task_data (task); + g_autoptr(GPtrArray) snaps = NULL; + g_autoptr(GError) local_error = NULL; + + snaps = snapd_client_find_section_finish (client, result, NULL, &local_error); + + if (snaps != NULL) { + store_snap_cache_update (self, snaps, FALSE); + + for (guint i = 0; i < snaps->len; i++) { + SnapdSnap *snap = g_ptr_array_index (snaps, i); + g_autoptr(GsApp) app = NULL; + + app = snap_to_app (self, snap, NULL); + gs_app_list_add (data->results_list, app); + } + } else { + snapd_error_convert (&local_error); + } + + finish_list_apps_op (task, g_steal_pointer (&local_error)); +} + +/* @error is (transfer full) if non-%NULL */ +static void +finish_list_apps_op (GTask *task, + GError *error) +{ + ListAppsData *data = g_task_get_task_data (task); + g_autoptr(GsAppList) results_list = NULL; + g_autoptr(GError) error_owned = g_steal_pointer (&error); + + if (error_owned != NULL && data->saved_error == NULL) + data->saved_error = g_steal_pointer (&error_owned); + else if (error_owned != NULL) + g_debug ("Additional error while listing apps: %s", error_owned->message); + + g_assert (data->n_pending_ops > 0); + data->n_pending_ops--; + + if (data->n_pending_ops > 0) + return; + + /* Get the results of the parallel ops. */ + results_list = g_steal_pointer (&data->results_list); + + if (data->saved_error != NULL) + g_task_return_error (task, g_steal_pointer (&data->saved_error)); + else + g_task_return_pointer (task, g_steal_pointer (&results_list), g_object_unref); +} + +static GsAppList * +gs_plugin_snap_list_apps_finish (GsPlugin *plugin, + GAsyncResult *result, + GError **error) +{ + return g_task_propagate_pointer (G_TASK (result), error); +} + +static SnapdSnap * +get_store_snap (GsPluginSnap *self, + SnapdClient *client, + const gchar *name, + gboolean need_details, + GCancellable *cancellable, + GError **error) +{ + SnapdSnap *snap = NULL; + g_autoptr(GPtrArray) snaps = NULL; + + /* use cached version if available */ + snap = store_snap_cache_lookup (self, name, need_details); + if (snap != NULL) + return g_object_ref (snap); + + snaps = find_snaps (self, client, + SNAPD_FIND_FLAGS_SCOPE_WIDE | SNAPD_FIND_FLAGS_MATCH_NAME, + NULL, name, cancellable, error); + if (snaps == NULL || snaps->len < 1) + return NULL; + + return g_object_ref (g_ptr_array_index (snaps, 0)); +} + +static void get_store_snap_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data); + +static void +get_store_snap_async (GsPluginSnap *self, + SnapdClient *client, + const gchar *name, + gboolean need_details, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data) +{ + g_autoptr(GTask) task = NULL; + SnapdSnap *snap = NULL; + + task = g_task_new (self, cancellable, callback, user_data); + g_task_set_source_tag (task, get_store_snap_async); + + /* use cached version if available */ + snap = store_snap_cache_lookup (self, name, need_details); + if (snap != NULL) { + g_task_return_pointer (task, g_object_ref (snap), (GDestroyNotify) g_object_unref); + return; + } + + snapd_client_find_section_async (client, + SNAPD_FIND_FLAGS_SCOPE_WIDE | SNAPD_FIND_FLAGS_MATCH_NAME, + NULL, name, + cancellable, + get_store_snap_cb, g_steal_pointer (&task)); +} + +static void +get_store_snap_cb (GObject *source_object, + GAsyncResult *result, + gpointer user_data) +{ + SnapdClient *client = SNAPD_CLIENT (source_object); + g_autoptr(GTask) task = g_steal_pointer (&user_data); + GsPluginSnap *self = g_task_get_source_object (task); + g_autoptr(GPtrArray) snaps = NULL; + g_autoptr(GError) local_error = NULL; + + snaps = snapd_client_find_section_finish (client, result, NULL, &local_error); + + if (snaps == NULL || snaps->len < 1) { + snapd_error_convert (&local_error); + g_task_return_error (task, g_steal_pointer (&local_error)); + } else { + store_snap_cache_update (self, snaps, TRUE); + g_task_return_pointer (task, g_object_ref (g_ptr_array_index (snaps, 0)), (GDestroyNotify) g_object_unref); + } +} + +static SnapdSnap * +get_store_snap_finish (GsPluginSnap *self, + GAsyncResult *result, + GError **error) +{ + return g_task_propagate_pointer (G_TASK (result), error); +} + +static int +track_value (const gchar *track, GStrv tracks) +{ + int r = 0; + while (tracks[r] != NULL && strcmp (track, tracks[r]) != 0) + r++; + return r; +} + +static int +risk_value (const gchar *risk) +{ + if (strcmp (risk, "stable") == 0) + return 0; + else if (strcmp (risk, "candidate") == 0) + return 1; + else if (strcmp (risk, "beta") == 0) + return 2; + else if (strcmp (risk, "edge") == 0) + return 3; + else + return 4; +} + +static int +compare_channel (gconstpointer a, gconstpointer b, gpointer user_data) +{ + SnapdChannel *channel_a = *(SnapdChannel **)a, *channel_b = *(SnapdChannel **)b; + GStrv tracks = user_data; + int r; + + r = track_value (snapd_channel_get_track (channel_a), tracks) - track_value (snapd_channel_get_track (channel_b), tracks); + if (r != 0) + return r; + + r = g_strcmp0 (snapd_channel_get_risk (channel_a), snapd_channel_get_risk (channel_b)); + if (r != 0) { + int r2; + + r2 = risk_value (snapd_channel_get_risk (channel_a)) - risk_value (snapd_channel_get_risk (channel_b)); + if (r2 != 0) + return r2; + else + return r; + } + + return g_strcmp0 (snapd_channel_get_branch (channel_a), snapd_channel_get_branch (channel_b)); +} + +static gchar * +expand_channel_name (const gchar *name) +{ + g_auto(GStrv) tokens = NULL; + const gchar *risks[] = { "stable", "candidate", "beta", "edge", NULL }; + + if (name == NULL) + return NULL; + + tokens = g_strsplit (name, "/", -1); + for (int i = 0; risks[i] != NULL; i++) { + if (strcmp (tokens[0], risks[i]) == 0) + return g_strconcat ("latest/", name, NULL); + } + + return g_strdup (name); +} + +static void +add_channels (GsPluginSnap *self, SnapdSnap *snap, GsAppList *list) +{ + GStrv tracks; + GPtrArray *channels; + g_autoptr(GPtrArray) sorted_channels = NULL; + + tracks = snapd_snap_get_tracks (snap); + channels = snapd_snap_get_channels (snap); + sorted_channels = g_ptr_array_new (); + for (guint i = 0; i < channels->len; i++) { + SnapdChannel *channel = g_ptr_array_index (channels, i); + g_ptr_array_add (sorted_channels, channel); + } + g_ptr_array_sort_with_data (sorted_channels, compare_channel, tracks); + + for (guint i = 0; i < sorted_channels->len; i++) { + SnapdChannel *channel = g_ptr_array_index (sorted_channels, i); + g_autoptr(GsApp) app = NULL; + g_autofree gchar *expanded_name = NULL; + + expanded_name = expand_channel_name (snapd_channel_get_name (channel)); + app = snap_to_app (self, snap, expanded_name); + + gs_app_list_add (list, app); + } +} + +static gboolean +app_name_matches_snap_name (SnapdSnap *snap, SnapdApp *app) +{ + return g_strcmp0 (snapd_snap_get_name (snap), snapd_app_get_name (app)) == 0; +} + +static SnapdApp * +get_primary_app (SnapdSnap *snap) +{ + GPtrArray *apps; + guint i; + SnapdApp *primary_app = NULL; + + /* Pick the "main" app from the snap. In order of + * preference, we want to pick: + * + * 1. the main app, provided it has a desktop file + * 2. the first app with a desktop file + * 3. the main app + * 4. the first app + * + * The "main app" is one whose name matches the snap name. + */ + apps = snapd_snap_get_apps (snap); + for (i = 0; i < apps->len; i++) { + SnapdApp *app = apps->pdata[i]; + + if (primary_app == NULL || + (snapd_app_get_desktop_file (primary_app) == NULL && snapd_app_get_desktop_file (app) != NULL) || + (!app_name_matches_snap_name (snap, primary_app) && app_name_matches_snap_name (snap, app))) + primary_app = app; + } + + return primary_app; +} + +static void +refine_icons (GsApp *app, + SnapdSnap *snap) +{ + GPtrArray *media; + guint i; + + media = snapd_snap_get_media (snap); + for (i = 0; i < media->len; i++) { + SnapdMedia *m = media->pdata[i]; + g_autoptr(GIcon) icon = NULL; + + if (g_strcmp0 (snapd_media_get_media_type (m), "icon") != 0) + continue; + + icon = gs_remote_icon_new (snapd_media_get_url (m)); + gs_icon_set_width (icon, snapd_media_get_width (m)); + gs_icon_set_height (icon, snapd_media_get_height (m)); + gs_app_add_icon (app, icon); + } +} + +static void serialize_node (SnapdMarkdownNode *node, GString *text, guint indentation); + +static gboolean +is_block_node (SnapdMarkdownNode *node) +{ + switch (snapd_markdown_node_get_node_type (node)) { + case SNAPD_MARKDOWN_NODE_TYPE_PARAGRAPH: + case SNAPD_MARKDOWN_NODE_TYPE_UNORDERED_LIST: + case SNAPD_MARKDOWN_NODE_TYPE_CODE_BLOCK: + return TRUE; + default: + return FALSE; + } +} + +static void +serialize_nodes (GPtrArray *nodes, GString *text, guint indentation) +{ + for (guint i = 0; i < nodes->len; i++) { + SnapdMarkdownNode *node = g_ptr_array_index (nodes, i); + + if (i != 0) { + SnapdMarkdownNode *last_node = g_ptr_array_index (nodes, i - 1); + if (is_block_node (node) && is_block_node (last_node)) + g_string_append (text, "\n"); + } + + serialize_node (node, text, indentation); + } +} + +static void +serialize_node (SnapdMarkdownNode *node, GString *text, guint indentation) +{ + GPtrArray *children = snapd_markdown_node_get_children (node); + g_autofree gchar *escaped_text = NULL; + g_autoptr(GString) url = NULL; + + switch (snapd_markdown_node_get_node_type (node)) { + case SNAPD_MARKDOWN_NODE_TYPE_TEXT: + escaped_text = g_markup_escape_text (snapd_markdown_node_get_text (node), -1); + g_string_append (text, escaped_text); + return; + + case SNAPD_MARKDOWN_NODE_TYPE_PARAGRAPH: + serialize_nodes (children, text, indentation); + g_string_append (text, "\n"); + return; + + case SNAPD_MARKDOWN_NODE_TYPE_UNORDERED_LIST: + serialize_nodes (children, text, indentation); + return; + + case SNAPD_MARKDOWN_NODE_TYPE_LIST_ITEM: + for (guint i = 0; i < indentation; i++) { + g_string_append (text, " "); + } + g_string_append_printf (text, " • "); + serialize_nodes (children, text, indentation + 1); + return; + + case SNAPD_MARKDOWN_NODE_TYPE_CODE_BLOCK: + case SNAPD_MARKDOWN_NODE_TYPE_CODE_SPAN: + g_string_append (text, "<tt>"); + serialize_nodes (children, text, indentation); + g_string_append (text, "</tt>"); + return; + + case SNAPD_MARKDOWN_NODE_TYPE_EMPHASIS: + g_string_append (text, "<i>"); + serialize_nodes (children, text, indentation); + g_string_append (text, "</i>"); + return; + + case SNAPD_MARKDOWN_NODE_TYPE_STRONG_EMPHASIS: + g_string_append (text, "<b>"); + serialize_nodes (children, text, indentation); + g_string_append (text, "</b>"); + return; + + case SNAPD_MARKDOWN_NODE_TYPE_URL: + url = g_string_new (""); + serialize_nodes (children, url, indentation); + g_string_append_printf (text, "<a href=\"%s\">%s</a>", url->str, url->str); + return; + + default: + g_assert_not_reached(); + } +} + +static gchar * +gs_plugin_snap_get_markup_description (SnapdSnap *snap) +{ + g_autoptr(SnapdMarkdownParser) parser = snapd_markdown_parser_new (SNAPD_MARKDOWN_VERSION_0); + g_autoptr(GPtrArray) nodes = NULL; + g_autoptr(GString) text = g_string_new (""); + + nodes = snapd_markdown_parser_parse (parser, snapd_snap_get_description (snap)); + serialize_nodes (nodes, text, 0); + return g_string_free (g_steal_pointer (&text), FALSE); +} + +static void +refine_screenshots (GsApp *app, SnapdSnap *snap) +{ + GPtrArray *media; + guint i; + + media = snapd_snap_get_media (snap); + for (i = 0; i < media->len; i++) { + SnapdMedia *m = media->pdata[i]; + const gchar *url; + g_autofree gchar *filename = NULL; + g_autoptr(AsScreenshot) ss = NULL; + g_autoptr(AsImage) image = NULL; + + if (g_strcmp0 (snapd_media_get_media_type (m), "screenshot") != 0) + continue; + + /* skip screenshots used for banner when app is featured */ + url = snapd_media_get_url (m); + filename = g_path_get_basename (url); + if (is_banner_image (filename) || is_banner_icon_image (filename)) + continue; + + ss = as_screenshot_new (); + as_screenshot_set_kind (ss, AS_SCREENSHOT_KIND_EXTRA); + image = as_image_new (); + as_image_set_url (image, snapd_media_get_url (m)); + as_image_set_kind (image, AS_IMAGE_KIND_SOURCE); + as_image_set_width (image, snapd_media_get_width (m)); + as_image_set_height (image, snapd_media_get_height (m)); + as_screenshot_add_image (ss, image); + gs_app_add_screenshot (app, ss); + } +} + +static gboolean +gs_snap_file_size_include_cb (const gchar *filename, + GFileTest file_kind, + gpointer user_data) +{ + return file_kind != G_FILE_TEST_IS_SYMLINK && + g_strcmp0 (filename, "common") != 0 && + g_strcmp0 (filename, "current") != 0; +} + +static guint64 +gs_snap_get_app_directory_size (const gchar *snap_name, + gboolean is_cache_size, + GCancellable *cancellable) +{ + g_autofree gchar *filename = NULL; + + if (is_cache_size) + filename = g_build_filename (g_get_home_dir (), "snap", snap_name, "common", NULL); + else + filename = g_build_filename (g_get_home_dir (), "snap", snap_name, NULL); + + return gs_utils_get_file_size (filename, is_cache_size ? NULL : gs_snap_file_size_include_cb, NULL, cancellable); +} + +static SnapdSnap * +find_snap_in_array (GPtrArray *snaps, + const gchar *snap_name) +{ + for (guint i = 0; i < snaps->len; i++) { + SnapdSnap *snap = SNAPD_SNAP (snaps->pdata[i]); + if (g_strcmp0 (snapd_snap_get_name (snap), snap_name) == 0) + return snap; + } + + return NULL; +} + +static void get_snaps_cb (GObject *object, + GAsyncResult *result, + gpointer user_data); + +static void +gs_plugin_snap_refine_async (GsPlugin *plugin, + GsAppList *list, + GsPluginRefineFlags flags, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data) +{ + GsPluginSnap *self = GS_PLUGIN_SNAP (plugin); + g_autoptr(SnapdClient) client = NULL; + g_autoptr(GPtrArray) snap_names = g_ptr_array_new_with_free_func (NULL); + g_autoptr(GTask) task = NULL; + g_autoptr(GsAppList) snap_apps = NULL; + g_autoptr(GsPluginRefineData) data = NULL; + gboolean interactive = gs_plugin_has_flags (plugin, GS_PLUGIN_FLAGS_INTERACTIVE); + g_autoptr(GError) local_error = NULL; + + task = g_task_new (plugin, cancellable, callback, user_data); + g_task_set_source_tag (task, gs_plugin_snap_refine_async); + + /* Filter out apps that aren't managed by us */ + snap_apps = gs_app_list_new (); + for (guint i = 0; i < gs_app_list_length (list); i++) { + GsApp *app = gs_app_list_index (list, i); + + if (!gs_app_has_management_plugin (app, plugin)) + continue; + + gs_app_list_add (snap_apps, app); + } + + data = gs_plugin_refine_data_new (snap_apps, flags); + g_task_set_task_data (task, g_steal_pointer (&data), (GDestroyNotify) gs_plugin_refine_data_free); + + client = get_client (self, interactive, &local_error); + if (client == NULL) { + g_task_return_error (task, g_steal_pointer (&local_error)); + return; + } + + /* Get information from locally installed snaps */ + for (guint i = 0; i < gs_app_list_length (snap_apps); i++) { + GsApp *app = gs_app_list_index (snap_apps, i); + g_ptr_array_add (snap_names, (gpointer) gs_app_get_metadata_item (app, "snap::name")); + } + + g_ptr_array_add (snap_names, NULL); /* NULL terminator */ + + snapd_client_get_snaps_async (client, SNAPD_GET_SNAPS_FLAGS_NONE, (gchar **) snap_names->pdata, cancellable, get_snaps_cb, g_steal_pointer (&task)); +} + +static void get_icon_cb (GObject *object, + GAsyncResult *result, + gpointer user_data); + +static void +get_snaps_cb (GObject *object, + GAsyncResult *result, + gpointer user_data) +{ + SnapdClient *client = SNAPD_CLIENT (object); + g_autoptr(GTask) task = g_steal_pointer (&user_data); + GsPluginSnap *self = g_task_get_source_object (task); + GCancellable *cancellable = g_task_get_cancellable (task); + GsPluginRefineData *data = g_task_get_task_data (task); + GsAppList *list = data->list; + GsPluginRefineFlags flags = data->flags; + g_autoptr(GPtrArray) local_snaps = NULL; + g_autoptr(GError) local_error = NULL; + + local_snaps = snapd_client_get_snaps_finish (client, result, &local_error); + if (local_snaps == NULL) { + g_task_return_error (task, g_steal_pointer (&local_error)); + return; + } + + for (guint i = 0; i < gs_app_list_length (list); i++) { + GsApp *app = gs_app_list_index (list, i); + const gchar *snap_name, *name, *website, *contact, *version; + g_autofree gchar *channel = NULL; + g_autofree gchar *store_channel = NULL; + g_autofree gchar *tracking_channel = NULL; + gboolean need_details = FALSE; + SnapdConfinement confinement = SNAPD_CONFINEMENT_UNKNOWN; + SnapdSnap *local_snap, *snap; + g_autoptr(SnapdSnap) store_snap = NULL; + const gchar *developer_name; + g_autofree gchar *description = NULL; + guint64 release_date = 0; + + snap_name = gs_app_get_metadata_item (app, "snap::name"); + channel = g_strdup (gs_app_get_branch (app)); + + /* get information from locally installed snaps and information we already have */ + local_snap = find_snap_in_array (local_snaps, snap_name); + store_snap = store_snap_cache_lookup (self, snap_name, FALSE); + if (store_snap != NULL) + store_channel = expand_channel_name (snapd_snap_get_channel (store_snap)); + + /* check if requested information requires us to go to the Snap Store */ + if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_SCREENSHOTS) + need_details = TRUE; + if (channel != NULL && g_strcmp0 (store_channel, channel) != 0) + need_details = TRUE; + if (need_details) { + g_clear_object (&store_snap); + store_snap = get_store_snap (self, client, snap_name, need_details, + cancellable, NULL); + } + + /* we don't know anything about this snap */ + if (local_snap == NULL && store_snap == NULL) + continue; + + if (local_snap != NULL) + tracking_channel = expand_channel_name (snapd_snap_get_tracking_channel (local_snap)); + + /* Get default channel to install */ + if (channel == NULL) { + if (local_snap != NULL) + channel = g_strdup (tracking_channel); + else + channel = expand_channel_name (snapd_snap_get_channel (store_snap)); + + gs_app_set_branch (app, channel); + } + + if (local_snap != NULL && g_strcmp0 (tracking_channel, channel) == 0) { + /* Do not set to installed state if app is updatable */ + if (gs_app_get_state (app) != GS_APP_STATE_UPDATABLE_LIVE) { + gs_app_set_state (app, GS_APP_STATE_INSTALLED); + } + } else + gs_app_set_state (app, GS_APP_STATE_AVAILABLE); + gs_app_add_quirk (app, GS_APP_QUIRK_DO_NOT_AUTO_UPDATE); + + /* use store information for basic metadata over local information */ + snap = store_snap != NULL ? store_snap : local_snap; + name = snapd_snap_get_title (snap); + if (name == NULL || g_strcmp0 (name, "") == 0) + name = snapd_snap_get_name (snap); + gs_app_set_name (app, GS_APP_QUALITY_NORMAL, name); + website = snapd_snap_get_website (snap); + if (g_strcmp0 (website, "") == 0) + website = NULL; + gs_app_set_url (app, AS_URL_KIND_HOMEPAGE, website); + contact = snapd_snap_get_contact (snap); + if (g_strcmp0 (contact, "") == 0) + contact = NULL; + gs_app_set_url (app, AS_URL_KIND_CONTACT, contact); + gs_app_set_summary (app, GS_APP_QUALITY_NORMAL, snapd_snap_get_summary (snap)); + description = gs_plugin_snap_get_markup_description (snap); + gs_app_set_description (app, GS_APP_QUALITY_NORMAL, description); + gs_app_set_license (app, GS_APP_QUALITY_NORMAL, snapd_snap_get_license (snap)); + developer_name = snapd_snap_get_publisher_display_name (snap); + if (developer_name == NULL) + developer_name = snapd_snap_get_publisher_username (snap); + gs_app_set_developer_name (app, developer_name); + if (snapd_snap_get_publisher_validation (snap) == SNAPD_PUBLISHER_VALIDATION_VERIFIED) + gs_app_add_quirk (app, GS_APP_QUIRK_DEVELOPER_VERIFIED); + + snap = local_snap != NULL ? local_snap : store_snap; + version = snapd_snap_get_version (snap); + confinement = snapd_snap_get_confinement (snap); + + if (channel != NULL && store_snap != NULL) { + GPtrArray *channels = snapd_snap_get_channels (store_snap); + + for (guint j = 0; j < channels->len; j++) { + SnapdChannel *c = channels->pdata[j]; + g_autofree gchar *expanded_name = NULL; + GDateTime *dt; + + expanded_name = expand_channel_name (snapd_channel_get_name (c)); + if (g_strcmp0 (expanded_name, channel) != 0) + continue; + + version = snapd_channel_get_version (c); + confinement = snapd_channel_get_confinement (c); + + dt = snapd_channel_get_released_at (c); + if (dt) + release_date = (guint64) g_date_time_to_unix (dt); + } + } + + gs_app_set_version (app, version); + gs_app_set_release_date (app, release_date); + + if (confinement != SNAPD_CONFINEMENT_UNKNOWN) { + GEnumClass *enum_class = g_type_class_ref (SNAPD_TYPE_CONFINEMENT); + gs_app_set_metadata (app, "snap::confinement", g_enum_get_value (enum_class, confinement)->value_nick); + g_type_class_unref (enum_class); + } + + if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_KUDOS && + self->system_confinement == SNAPD_SYSTEM_CONFINEMENT_STRICT && + confinement == SNAPD_CONFINEMENT_STRICT) + gs_app_add_kudo (app, GS_APP_KUDO_SANDBOXED); + + gs_app_set_kind (app, snap_guess_component_kind (snap)); + + /* add information specific to installed snaps */ + if (local_snap != NULL) { + SnapdApp *snap_app; + GDateTime *install_date; + gint64 installed_size_bytes; + + install_date = snapd_snap_get_install_date (local_snap); + installed_size_bytes = snapd_snap_get_installed_size (local_snap); + + gs_app_set_size_installed (app, (installed_size_bytes > 0) ? GS_SIZE_TYPE_VALID : GS_SIZE_TYPE_UNKNOWN, (guint64) installed_size_bytes); + gs_app_set_install_date (app, install_date != NULL ? g_date_time_to_unix (install_date) : GS_APP_INSTALL_DATE_UNKNOWN); + + snap_app = get_primary_app (local_snap); + if (snap_app != NULL) { + gs_app_set_metadata (app, "snap::launch-name", snapd_app_get_name (snap_app)); + gs_app_set_metadata (app, "snap::launch-desktop", snapd_app_get_desktop_file (snap_app)); + } else { + gs_app_add_quirk (app, GS_APP_QUIRK_NOT_LAUNCHABLE); + } + } + + /* add information specific to store snaps */ + if (store_snap != NULL) { + gint64 download_size_bytes; + + gs_app_set_origin (app, self->store_name); + gs_app_set_origin_hostname (app, self->store_hostname); + + download_size_bytes = snapd_snap_get_download_size (store_snap); + gs_app_set_size_download (app, (download_size_bytes > 0) ? GS_SIZE_TYPE_VALID : GS_SIZE_TYPE_UNKNOWN, (guint64) download_size_bytes); + + if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_SCREENSHOTS && gs_app_get_screenshots (app)->len == 0) + refine_screenshots (app, store_snap); + } + + /* load icon if requested */ + if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_ICON) + refine_icons (app, snap); + + if ((flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_SIZE_DATA) != 0 && + gs_app_is_installed (app) && + gs_app_get_kind (app) != AS_COMPONENT_KIND_RUNTIME) { + if (gs_app_get_size_cache_data (app, NULL) != GS_SIZE_TYPE_VALID) + gs_app_set_size_cache_data (app, GS_SIZE_TYPE_VALID, gs_snap_get_app_directory_size (snap_name, TRUE, cancellable)); + if (gs_app_get_size_user_data (app, NULL) != GS_SIZE_TYPE_VALID) + gs_app_set_size_user_data (app, GS_SIZE_TYPE_VALID, gs_snap_get_app_directory_size (snap_name, FALSE, cancellable)); + + if (g_cancellable_is_cancelled (cancellable)) { + gs_app_set_size_cache_data (app, GS_SIZE_TYPE_UNKNOWABLE, 0); + gs_app_set_size_user_data (app, GS_SIZE_TYPE_UNKNOWABLE, 0); + } + } + } + + /* Icons require async calls to get */ + if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_ICON && gs_app_list_length (list) > 0) { + GsApp *app = gs_app_list_index (list, 0); + snapd_client_get_icon_async (client, gs_app_get_metadata_item (app, "snap::name"), cancellable, get_icon_cb, g_steal_pointer (&task)); + } else { + g_task_return_boolean (task, TRUE); + } +} + +static void +get_icon_cb (GObject *object, + GAsyncResult *result, + gpointer user_data) +{ + SnapdClient *client = SNAPD_CLIENT (object); + g_autoptr(GTask) task = g_steal_pointer (&user_data); + GCancellable *cancellable = g_task_get_cancellable (task); + GsPluginRefineData *data = g_task_get_task_data (task); + GsApp *app; + g_autoptr(SnapdIcon) snap_icon = NULL; + g_autoptr(GError) local_error = NULL; + + app = gs_app_list_index (data->list, 0); + snap_icon = snapd_client_get_icon_finish (client, result, &local_error); + if (snap_icon != NULL) { + g_autoptr(GIcon) icon = g_bytes_icon_new (snapd_icon_get_data (snap_icon)); + gs_app_add_icon (app, icon); + } + + /* Get next icon in the list or done */ + gs_app_list_remove (data->list, app); + if (gs_app_list_length (data->list) > 0) { + app = gs_app_list_index (data->list, 0); + snapd_client_get_icon_async (client, gs_app_get_metadata_item (app, "snap::name"), cancellable, get_icon_cb, g_steal_pointer (&task)); + } else { + g_task_return_boolean (task, TRUE); + } +} + +static gboolean +gs_plugin_snap_refine_finish (GsPlugin *plugin, + GAsyncResult *result, + GError **error) +{ + return g_task_propagate_boolean (G_TASK (result), error); +} + +static void +progress_cb (SnapdClient *client, SnapdChange *change, gpointer deprecated, gpointer user_data) +{ + GsApp *app = user_data; + GPtrArray *tasks; + guint i; + gint64 done = 0, total = 0; + + tasks = snapd_change_get_tasks (change); + for (i = 0; i < tasks->len; i++) { + SnapdTask *task = tasks->pdata[i]; + done += snapd_task_get_progress_done (task); + total += snapd_task_get_progress_total (task); + } + + gs_app_set_progress (app, (guint) (100 * done / total)); +} + +gboolean +gs_plugin_app_install (GsPlugin *plugin, + GsApp *app, + GCancellable *cancellable, + GError **error) +{ + GsPluginSnap *self = GS_PLUGIN_SNAP (plugin); + g_autoptr(SnapdClient) client = NULL; + const gchar *name, *channel; + SnapdInstallFlags flags = SNAPD_INSTALL_FLAGS_NONE; + gboolean result; + gboolean interactive = gs_plugin_has_flags (plugin, GS_PLUGIN_FLAGS_INTERACTIVE); + g_autoptr(GError) error_local = NULL; + + /* We can only install apps we know of */ + if (!gs_app_has_management_plugin (app, plugin)) + return TRUE; + + client = get_client (self, interactive, error); + if (client == NULL) + return FALSE; + + name = gs_app_get_metadata_item (app, "snap::name"); + channel = gs_app_get_branch (app); + + gs_app_set_state (app, GS_APP_STATE_INSTALLING); + + if (g_strcmp0 (gs_app_get_metadata_item (app, "snap::confinement"), "classic") == 0) + flags |= SNAPD_INSTALL_FLAGS_CLASSIC; + result = snapd_client_install2_sync (client, flags, name, channel, NULL, progress_cb, app, cancellable, &error_local); + + /* if already installed then just try to switch channel */ + if (!result && g_error_matches (error_local, SNAPD_ERROR, SNAPD_ERROR_ALREADY_INSTALLED)) { + g_clear_error (&error_local); + result = snapd_client_refresh_sync (client, name, channel, progress_cb, app, cancellable, &error_local); + } + + if (!result) { + gs_app_set_state_recover (app); + g_propagate_error (error, g_steal_pointer (&error_local)); + snapd_error_convert (error); + return FALSE; + } + + gs_app_set_state (app, GS_APP_STATE_INSTALLED); + + return TRUE; +} + +// Check if an app is graphical by checking if it uses a known GUI interface. +// This doesn't necessarily mean that every binary uses this interfaces, but is probably true. +// https://bugs.launchpad.net/bugs/1595023 +static gboolean +is_graphical (GsPluginSnap *self, + SnapdClient *client, + GsApp *app, + GCancellable *cancellable) +{ + g_autoptr(GPtrArray) plugs = NULL; + guint i; + g_autoptr(GError) error = NULL; + + if (!snapd_client_get_connections2_sync (client, + SNAPD_GET_CONNECTIONS_FLAGS_SELECT_ALL, NULL, NULL, + NULL, NULL, &plugs, NULL, + cancellable, &error)) { + g_warning ("Failed to get connections: %s", error->message); + return FALSE; + } + + for (i = 0; i < plugs->len; i++) { + SnapdPlug *plug = plugs->pdata[i]; + const gchar *interface; + + // Only looks at the plugs for this snap + if (g_strcmp0 (snapd_plug_get_snap (plug), gs_app_get_metadata_item (app, "snap::name")) != 0) + continue; + + interface = snapd_plug_get_interface (plug); + if (interface == NULL) + continue; + + if (g_strcmp0 (interface, "unity7") == 0 || g_strcmp0 (interface, "x11") == 0 || g_strcmp0 (interface, "mir") == 0) + return TRUE; + } + + return FALSE; +} + +gboolean +gs_plugin_launch (GsPlugin *plugin, + GsApp *app, + GCancellable *cancellable, + GError **error) +{ + GsPluginSnap *self = GS_PLUGIN_SNAP (plugin); + const gchar *launch_name; + const gchar *launch_desktop; + g_autoptr(GAppInfo) info = NULL; + gboolean interactive = gs_plugin_has_flags (plugin, GS_PLUGIN_FLAGS_INTERACTIVE); + + /* We can only launch apps we know of */ + if (!gs_app_has_management_plugin (app, plugin)) + return TRUE; + + launch_name = gs_app_get_metadata_item (app, "snap::launch-name"); + launch_desktop = gs_app_get_metadata_item (app, "snap::launch-desktop"); + if (!launch_name) + return TRUE; + + if (launch_desktop) { + info = (GAppInfo *)g_desktop_app_info_new_from_filename (launch_desktop); + } else { + g_autofree gchar *commandline = NULL; + g_autoptr(SnapdClient) client = NULL; + GAppInfoCreateFlags flags = G_APP_INFO_CREATE_NONE; + + if (g_strcmp0 (launch_name, gs_app_get_metadata_item (app, "snap::name")) == 0) + commandline = g_strdup_printf ("snap run %s", launch_name); + else + commandline = g_strdup_printf ("snap run %s.%s", gs_app_get_metadata_item (app, "snap::name"), launch_name); + + client = get_client (self, interactive, error); + if (client == NULL) + return FALSE; + + if (!is_graphical (self, client, app, cancellable)) + flags |= G_APP_INFO_CREATE_NEEDS_TERMINAL; + info = g_app_info_create_from_commandline (commandline, NULL, flags, error); + } + + if (info == NULL) + return FALSE; + + return g_app_info_launch (info, NULL, NULL, error); +} + +gboolean +gs_plugin_app_remove (GsPlugin *plugin, + GsApp *app, + GCancellable *cancellable, + GError **error) +{ + GsPluginSnap *self = GS_PLUGIN_SNAP (plugin); + g_autoptr(SnapdClient) client = NULL; + gboolean interactive = gs_plugin_has_flags (plugin, GS_PLUGIN_FLAGS_INTERACTIVE); + + /* We can only remove apps we know of */ + if (!gs_app_has_management_plugin (app, plugin)) + return TRUE; + + client = get_client (self, interactive, error); + if (client == NULL) + return FALSE; + + gs_app_set_state (app, GS_APP_STATE_REMOVING); + if (!snapd_client_remove2_sync (client, SNAPD_REMOVE_FLAGS_NONE, gs_app_get_metadata_item (app, "snap::name"), progress_cb, app, cancellable, error)) { + gs_app_set_state_recover (app); + snapd_error_convert (error); + return FALSE; + } + gs_app_set_state (app, GS_APP_STATE_AVAILABLE); + return TRUE; +} + +gboolean +gs_plugin_add_updates (GsPlugin *plugin, + GsAppList *list, + GCancellable *cancellable, + GError **error) +{ + GsPluginSnap *self = GS_PLUGIN_SNAP (plugin); + g_autoptr(GPtrArray) apps = NULL; + g_autoptr(SnapdClient) client = NULL; + gboolean interactive = gs_plugin_has_flags (plugin, GS_PLUGIN_FLAGS_INTERACTIVE); + g_autoptr(GError) error_local = NULL; + + client = get_client (self, interactive, &error_local); + if (client == NULL) { + g_debug ("Failed to get client to get updates: %s", error_local->message); + return TRUE; + } + + /* Get the list of refreshable snaps */ + apps = snapd_client_find_refreshable_sync (client, cancellable, &error_local); + if (apps == NULL) { + g_warning ("Failed to find refreshable snaps: %s", error_local->message); + return TRUE; + } + + for (guint i = 0; i < apps->len; i++) { + SnapdSnap *snap = g_ptr_array_index (apps, i); + g_autoptr(GsApp) app = NULL; + + /* Convert SnapdSnap to a GsApp */ + app = snap_to_app (self, snap, NULL); + + /* If for some reason the app is already getting updated, then + * don't change its state */ + if (gs_app_get_state (app) != GS_APP_STATE_INSTALLING) + gs_app_set_state (app, GS_APP_STATE_UPDATABLE_LIVE); + + /* Add GsApp to updatable GsAppList */ + gs_app_list_add (list, app); + } + + return TRUE; +} + +gboolean +gs_plugin_update (GsPlugin *plugin, + GsAppList *list, + GCancellable *cancellable, + GError **error) +{ + GsPluginSnap *self = GS_PLUGIN_SNAP (plugin); + g_autoptr(SnapdClient) client = NULL; + gboolean interactive = gs_plugin_has_flags (plugin, GS_PLUGIN_FLAGS_INTERACTIVE); + + client = get_client (self, interactive, error); + if (client == NULL) + return FALSE; + + for (guint i = 0; i < gs_app_list_length (list); i++) { + /* Get the name of the snap to refresh */ + GsApp *app = gs_app_list_index (list, i); + const gchar *name = gs_app_get_metadata_item (app, "snap::name"); + + /* Refresh the snap */ + gs_app_set_state (app, GS_APP_STATE_INSTALLING); + + if (!snapd_client_refresh_sync (client, name, NULL, progress_cb, app, cancellable, error)) { + gs_app_set_state_recover (app); + snapd_error_convert (error); + return FALSE; + } + + gs_app_set_state (app, GS_APP_STATE_INSTALLED); + } + + return TRUE; +} + +static void +gs_plugin_snap_class_init (GsPluginSnapClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GsPluginClass *plugin_class = GS_PLUGIN_CLASS (klass); + + object_class->dispose = gs_plugin_snap_dispose; + object_class->finalize = gs_plugin_snap_finalize; + + plugin_class->setup_async = gs_plugin_snap_setup_async; + plugin_class->setup_finish = gs_plugin_snap_setup_finish; + plugin_class->refine_async = gs_plugin_snap_refine_async; + plugin_class->refine_finish = gs_plugin_snap_refine_finish; + plugin_class->list_apps_async = gs_plugin_snap_list_apps_async; + plugin_class->list_apps_finish = gs_plugin_snap_list_apps_finish; +} + +GType +gs_plugin_query_type (void) +{ + return GS_TYPE_PLUGIN_SNAP; +} |