diff options
Diffstat (limited to 'session-helper/flatpak-permission-store.c')
| -rw-r--r-- | session-helper/flatpak-permission-store.c | 465 |
1 files changed, 0 insertions, 465 deletions
diff --git a/session-helper/flatpak-permission-store.c b/session-helper/flatpak-permission-store.c deleted file mode 100644 index a41a8d3..0000000 --- a/session-helper/flatpak-permission-store.c +++ /dev/null @@ -1,465 +0,0 @@ -/* - * Copyright © 2015 Red Hat, Inc - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library. If not, see <http://www.gnu.org/licenses/>. - * - * Authors: - * Alexander Larsson <alexl@redhat.com> - */ - -#include "config.h" - -#include <locale.h> -#include <stdlib.h> -#include <string.h> -#include <gio/gio.h> -#include "flatpak-permission-store.h" -#include "flatpak-db.h" -#include "flatpak-portal-error.h" - -GHashTable *tables = NULL; - -typedef struct -{ - char *name; - FlatpakDb *db; - GList *outstanding_writes; - GList *current_writes; - gboolean writing; -} Table; - -static void start_writeout (Table *table); - -static void -table_free (Table *table) -{ - g_free (table->name); - g_object_unref (table->db); - g_free (table); -} - -static Table * -lookup_table (const char *name, - GDBusMethodInvocation *invocation) -{ - Table *table; - FlatpakDb *db; - g_autofree char *dir = NULL; - g_autofree char *path = NULL; - - g_autoptr(GError) error = NULL; - - table = g_hash_table_lookup (tables, name); - if (table != NULL) - return table; - - dir = g_build_filename (g_get_user_data_dir (), "flatpak/db", NULL); - g_mkdir_with_parents (dir, 0755); - - path = g_build_filename (dir, name, NULL); - db = flatpak_db_new (path, FALSE, &error); - if (db == NULL) - { - g_dbus_method_invocation_return_error (invocation, - FLATPAK_PORTAL_ERROR, FLATPAK_PORTAL_ERROR_FAILED, - "Unable to load db file: %s", error->message); - return NULL; - } - - table = g_new0 (Table, 1); - table->name = g_strdup (name); - table->db = db; - - g_hash_table_insert (tables, table->name, table); - - return table; -} - -static void -writeout_done (GObject *source_object, - GAsyncResult *res, - gpointer user_data) -{ - Table *table = user_data; - GList *l; - - g_autoptr(GError) error = NULL; - gboolean ok; - - ok = flatpak_db_save_content_finish (table->db, res, &error); - - for (l = table->current_writes; l != NULL; l = l->next) - { - GDBusMethodInvocation *invocation = l->data; - - if (ok) - g_dbus_method_invocation_return_value (invocation, - g_variant_new ("()")); - else - g_dbus_method_invocation_return_error (invocation, - FLATPAK_PORTAL_ERROR, FLATPAK_PORTAL_ERROR_FAILED, - "Unable to write db: %s", error->message); - } - - g_list_free (table->current_writes); - table->current_writes = NULL; - table->writing = FALSE; - - if (table->outstanding_writes != NULL) - start_writeout (table); -} - -static void -start_writeout (Table *table) -{ - g_assert (table->current_writes == NULL); - table->current_writes = table->outstanding_writes; - table->outstanding_writes = NULL; - table->writing = TRUE; - - flatpak_db_update (table->db); - - flatpak_db_save_content_async (table->db, NULL, writeout_done, table); -} - -static void -ensure_writeout (Table *table, - GDBusMethodInvocation *invocation) -{ - table->outstanding_writes = g_list_prepend (table->outstanding_writes, invocation); - - if (!table->writing) - start_writeout (table); -} - -static gboolean -handle_list (FlatpakPermissionStore *object, - GDBusMethodInvocation *invocation, - const gchar *table_name) -{ - Table *table; - - g_auto(GStrv) ids = NULL; - - table = lookup_table (table_name, invocation); - if (table == NULL) - return TRUE; - - ids = flatpak_db_list_ids (table->db); - - flatpak_permission_store_complete_list (object, invocation, (const char * const *) ids); - - return TRUE; -} - -static GVariant * -get_app_permissions (FlatpakDbEntry *entry) -{ - g_autofree const char **apps = NULL; - GVariantBuilder builder; - int i; - - apps = flatpak_db_entry_list_apps (entry); - g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sas}")); - - for (i = 0; apps[i] != NULL; i++) - { - g_autofree const char **permissions = flatpak_db_entry_list_permissions (entry, apps[i]); - g_variant_builder_add_value (&builder, - g_variant_new ("{s@as}", - apps[i], - g_variant_new_strv (permissions, -1))); - } - - return g_variant_ref_sink (g_variant_builder_end (&builder)); -} - -static gboolean -handle_lookup (FlatpakPermissionStore *object, - GDBusMethodInvocation *invocation, - const gchar *table_name, - const gchar *id) -{ - Table *table; - - g_autoptr(GVariant) data = NULL; - g_autoptr(GVariant) permissions = NULL; - g_autoptr(FlatpakDbEntry) entry = NULL; - - table = lookup_table (table_name, invocation); - if (table == NULL) - return TRUE; - - entry = flatpak_db_lookup (table->db, id); - if (entry == NULL) - { - g_dbus_method_invocation_return_error (invocation, - FLATPAK_PORTAL_ERROR, FLATPAK_PORTAL_ERROR_NOT_FOUND, - "No entry for %s", id); - return TRUE; - } - - data = flatpak_db_entry_get_data (entry); - permissions = get_app_permissions (entry); - - flatpak_permission_store_complete_lookup (object, invocation, - permissions, - g_variant_new_variant (data)); - - return TRUE; -} - -static void -emit_deleted (FlatpakPermissionStore *object, - const gchar *table_name, - const gchar *id, - FlatpakDbEntry *entry) -{ - g_autoptr(GVariant) data = NULL; - g_autoptr(GVariant) permissions = NULL; - - data = flatpak_db_entry_get_data (entry); - permissions = g_variant_ref_sink (g_variant_new_array (G_VARIANT_TYPE ("{sas}"), NULL, 0)); - - flatpak_permission_store_emit_changed (object, - table_name, id, - TRUE, - g_variant_new_variant (data), - permissions); -} - - -static void -emit_changed (FlatpakPermissionStore *object, - const gchar *table_name, - const gchar *id, - FlatpakDbEntry *entry) -{ - g_autoptr(GVariant) data = NULL; - g_autoptr(GVariant) permissions = NULL; - - data = flatpak_db_entry_get_data (entry); - permissions = get_app_permissions (entry); - - flatpak_permission_store_emit_changed (object, - table_name, id, - FALSE, - g_variant_new_variant (data), - permissions); -} - -static gboolean -handle_delete (FlatpakPermissionStore *object, - GDBusMethodInvocation *invocation, - const gchar *table_name, - const gchar *id) -{ - Table *table; - - g_autoptr(FlatpakDbEntry) entry = NULL; - - table = lookup_table (table_name, invocation); - if (table == NULL) - return TRUE; - - entry = flatpak_db_lookup (table->db, id); - if (entry == NULL) - { - g_dbus_method_invocation_return_error (invocation, - FLATPAK_PORTAL_ERROR, FLATPAK_PORTAL_ERROR_NOT_FOUND, - "No entry for %s", id); - return TRUE; - } - - flatpak_db_set_entry (table->db, id, NULL); - emit_deleted (object, table_name, id, entry); - - ensure_writeout (table, invocation); - - return TRUE; -} - -static gboolean -handle_set (FlatpakPermissionStore *object, - GDBusMethodInvocation *invocation, - const gchar *table_name, - gboolean create, - const gchar *id, - GVariant *app_permissions, - GVariant *data) -{ - Table *table; - GVariantIter iter; - GVariant *child; - - g_autoptr(GVariant) data_child = NULL; - g_autoptr(FlatpakDbEntry) old_entry = NULL; - g_autoptr(FlatpakDbEntry) new_entry = NULL; - - table = lookup_table (table_name, invocation); - if (table == NULL) - return TRUE; - - old_entry = flatpak_db_lookup (table->db, id); - if (old_entry == NULL && !create) - { - g_dbus_method_invocation_return_error (invocation, - FLATPAK_PORTAL_ERROR, FLATPAK_PORTAL_ERROR_NOT_FOUND, - "Id %s not found", id); - return TRUE; - } - - data_child = g_variant_get_child_value (data, 0); - new_entry = flatpak_db_entry_new (data_child); - - /* Add all the given app permissions */ - - g_variant_iter_init (&iter, app_permissions); - while ((child = g_variant_iter_next_value (&iter))) - { - g_autoptr(FlatpakDbEntry) old_entry; - const char *child_app_id; - g_autofree const char **permissions; - - g_variant_get (child, "{&s^a&s}", &child_app_id, &permissions); - - old_entry = new_entry; - new_entry = flatpak_db_entry_set_app_permissions (new_entry, child_app_id, (const char **) permissions); - - g_variant_unref (child); - } - - flatpak_db_set_entry (table->db, id, new_entry); - emit_changed (object, table_name, id, new_entry); - - ensure_writeout (table, invocation); - - return TRUE; -} - -static gboolean -handle_set_permission (FlatpakPermissionStore *object, - GDBusMethodInvocation *invocation, - const gchar *table_name, - gboolean create, - const gchar *id, - const gchar *app, - const gchar *const *permissions) -{ - Table *table; - - g_autoptr(FlatpakDbEntry) entry = NULL; - g_autoptr(FlatpakDbEntry) new_entry = NULL; - - table = lookup_table (table_name, invocation); - if (table == NULL) - return TRUE; - - entry = flatpak_db_lookup (table->db, id); - if (entry == NULL) - { - if (create) - { - entry = flatpak_db_entry_new (NULL); - } - else - { - g_dbus_method_invocation_return_error (invocation, - FLATPAK_PORTAL_ERROR, FLATPAK_PORTAL_ERROR_NOT_FOUND, - "Id %s not found", id); - return TRUE; - } - } - - new_entry = flatpak_db_entry_set_app_permissions (entry, app, (const char **) permissions); - flatpak_db_set_entry (table->db, id, new_entry); - emit_changed (object, table_name, id, new_entry); - - ensure_writeout (table, invocation); - - return TRUE; -} - -static gboolean -handle_set_value (FlatpakPermissionStore *object, - GDBusMethodInvocation *invocation, - const gchar *table_name, - gboolean create, - const gchar *id, - GVariant *data) -{ - Table *table; - - g_autoptr(FlatpakDbEntry) entry = NULL; - g_autoptr(FlatpakDbEntry) new_entry = NULL; - - table = lookup_table (table_name, invocation); - if (table == NULL) - return TRUE; - - entry = flatpak_db_lookup (table->db, id); - if (entry == NULL) - { - if (create) - { - new_entry = flatpak_db_entry_new (data); - } - else - { - g_dbus_method_invocation_return_error (invocation, - FLATPAK_PORTAL_ERROR, FLATPAK_PORTAL_ERROR_NOT_FOUND, - "Id %s not found", id); - return TRUE; - } - } - else - { - new_entry = flatpak_db_entry_modify_data (entry, data); - } - - flatpak_db_set_entry (table->db, id, new_entry); - emit_changed (object, table_name, id, new_entry); - - ensure_writeout (table, invocation); - - return TRUE; -} - -void -flatpak_permission_store_start (GDBusConnection *connection) -{ - FlatpakPermissionStore *store; - GError *error = NULL; - - tables = g_hash_table_new_full (g_str_hash, g_str_equal, - g_free, (GDestroyNotify) table_free); - - store = flatpak_permission_store_skeleton_new (); - - g_signal_connect (store, "handle-list", G_CALLBACK (handle_list), NULL); - g_signal_connect (store, "handle-lookup", G_CALLBACK (handle_lookup), NULL); - g_signal_connect (store, "handle-set", G_CALLBACK (handle_set), NULL); - g_signal_connect (store, "handle-set-permission", G_CALLBACK (handle_set_permission), NULL); - g_signal_connect (store, "handle-set-value", G_CALLBACK (handle_set_value), NULL); - g_signal_connect (store, "handle-delete", G_CALLBACK (handle_delete), NULL); - - if (!g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (store), - connection, - "/org/freedesktop/Flatpak/PermissionStore", - &error)) - { - g_warning ("error: %s\n", error->message); - g_error_free (error); - } -} |