[libsecret/wip/dueno/backend: 11/13] secret-service: Implement SecretBackendInterface

[Daiki Ueno <dueno src gnome org>]

commit 42a358d3670c9214213892e8bf2feb55a287c8a1
Author: Daiki Ueno <dueno src gnome org>
Date:   Sat Jun 29 16:57:51 2019 +0200

    secret-service: Implement SecretBackendInterface

 libsecret/secret-backend.c |   5 +-
 libsecret/secret-service.c | 172 +++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 172 insertions(+), 5 deletions(-)
---
diff --git a/libsecret/secret-backend.c b/libsecret/secret-backend.c
index aece85d..e609329 100644
--- a/libsecret/secret-backend.c
+++ b/libsecret/secret-backend.c
@@ -117,16 +117,19 @@ backend_get_instance (void)
 static GType
 backend_get_impl_type (void)
 {
-       const gchar *envvar = g_getenv ("SECRET_BACKEND");
+       const gchar *envvar;
        const gchar *extension_name;
        GIOExtension *e;
        GIOExtensionPoint *ep;
 
+       envvar = g_getenv ("SECRET_BACKEND");
        if (envvar == NULL || *envvar == '\0')
                extension_name = "service";
        else
                extension_name = envvar;
 
+       g_type_ensure (secret_service_get_type ());
+
        ep = g_io_extension_point_lookup (SECRET_BACKEND_EXTENSION_POINT_NAME);
        e = g_io_extension_point_get_extension_by_name (ep, extension_name);
        if (e == NULL) {
diff --git a/libsecret/secret-service.c b/libsecret/secret-service.c
index 463700c..6a233b8 100644
--- a/libsecret/secret-service.c
+++ b/libsecret/secret-service.c
@@ -15,6 +15,7 @@
 
 #include "config.h"
 
+#include "secret-backend.h"
 #include "secret-collection.h"
 #include "secret-dbus-generated.h"
 #include "secret-item.h"
@@ -135,14 +136,24 @@ static GInitableIface *secret_service_initable_parent_iface = NULL;
 
 static GAsyncInitableIface *secret_service_async_initable_parent_iface = NULL;
 
+static SecretBackendInterface *secret_service_backend_parent_iface = NULL;
+
 static void   secret_service_initable_iface         (GInitableIface *iface);
 
 static void   secret_service_async_initable_iface   (GAsyncInitableIface *iface);
 
+static void   secret_service_backend_iface          (SecretBackendInterface *iface);
+
 G_DEFINE_TYPE_WITH_CODE (SecretService, secret_service, G_TYPE_DBUS_PROXY,
                          G_ADD_PRIVATE (SecretService)
                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE, secret_service_initable_iface);
                          G_IMPLEMENT_INTERFACE (G_TYPE_ASYNC_INITABLE, secret_service_async_initable_iface);
+                        G_IMPLEMENT_INTERFACE (SECRET_TYPE_BACKEND, secret_service_backend_iface);
+                        _secret_backend_ensure_extension_point ();
+                        g_io_extension_point_implement (SECRET_BACKEND_EXTENSION_POINT_NAME,
+                                                         g_define_type_id,
+                                                         "service",
+                                                         0)
 );
 
 static SecretService *
@@ -571,10 +582,7 @@ secret_service_class_init (SecretServiceClass *klass)
         * A set of flags describing which parts of the secret service have
         * been initialized.
         */
-       g_object_class_install_property (object_class, PROP_FLAGS,
-                    g_param_spec_flags ("flags", "Flags", "Service flags",
-                                        secret_service_flags_get_type (), SECRET_SERVICE_NONE,
-                                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | 
G_PARAM_STATIC_STRINGS));
+       g_object_class_override_property (object_class, PROP_FLAGS, "flags");
 
        /**
         * SecretService:collections:
@@ -778,6 +786,162 @@ secret_service_async_initable_iface (GAsyncInitableIface *iface)
        iface->init_finish = secret_service_async_initable_init_finish;
 }
 
+static void
+secret_service_real_ensure_for_flags (SecretBackend *self,
+                                     SecretBackendFlags flags,
+                                     GCancellable *cancellable,
+                                     GAsyncReadyCallback callback,
+                                     gpointer user_data)
+{
+       GTask *task;
+       InitClosure *closure;
+
+       g_return_if_fail (SECRET_IS_SERVICE (self));
+
+       task = g_task_new (self, cancellable, callback, user_data);
+       closure = g_slice_new0 (InitClosure);
+       g_task_set_task_data (task, closure, init_closure_free);
+       service_ensure_for_flags_async (SECRET_SERVICE (self), flags, task);
+       g_object_unref (task);
+}
+
+static gboolean
+secret_service_real_ensure_for_flags_finish (SecretBackend *self,
+                                            GAsyncResult *result,
+                                            GError **error)
+{
+       g_return_val_if_fail (g_task_is_valid (result, self), FALSE);
+
+       if (!g_task_propagate_boolean (G_TASK (result), error)) {
+               _secret_util_strip_remote_error (error);
+               return FALSE;
+       }
+
+       return TRUE;
+}
+
+static void
+secret_service_real_store (SecretBackend *self,
+                          const SecretSchema *schema,
+                          GHashTable *attributes,
+                          const gchar *collection,
+                          const gchar *label,
+                          SecretValue *value,
+                          GCancellable *cancellable,
+                          GAsyncReadyCallback callback,
+                          gpointer user_data)
+{
+       g_return_if_fail (SECRET_IS_SERVICE (self));
+
+       secret_service_store (SECRET_SERVICE (self), schema, attributes,
+                             collection, label, value,
+                             cancellable, callback, user_data);
+}
+
+static gboolean
+secret_service_real_store_finish (SecretBackend *self,
+                                 GAsyncResult *result,
+                                 GError **error)
+{
+       g_return_val_if_fail (SECRET_IS_SERVICE (self), FALSE);
+
+       return secret_service_store_finish (SECRET_SERVICE (self),
+                                           result, error);
+}
+
+static void
+secret_service_real_lookup (SecretBackend *self,
+                           const SecretSchema *schema,
+                           GHashTable *attributes,
+                           GCancellable *cancellable,
+                           GAsyncReadyCallback callback,
+                           gpointer user_data)
+{
+       g_return_if_fail (SECRET_IS_SERVICE (self));
+
+       secret_service_lookup (SECRET_SERVICE (self), schema, attributes,
+                              cancellable, callback, user_data);
+}
+
+static SecretValue *
+secret_service_real_lookup_finish (SecretBackend *self,
+                                  GAsyncResult *result,
+                                  GError **error)
+{
+       g_return_val_if_fail (SECRET_IS_SERVICE (self), NULL);
+
+       return secret_service_lookup_finish (SECRET_SERVICE (self),
+                                            result, error);
+}
+
+static void
+secret_service_real_clear (SecretBackend *self,
+                          const SecretSchema *schema,
+                          GHashTable *attributes,
+                          GCancellable *cancellable,
+                          GAsyncReadyCallback callback,
+                          gpointer user_data)
+{
+       g_return_if_fail (SECRET_IS_SERVICE (self));
+
+       secret_service_clear (SECRET_SERVICE (self), schema, attributes,
+                             cancellable, callback, user_data);
+}
+
+static gboolean
+secret_service_real_clear_finish (SecretBackend *self,
+                                 GAsyncResult *result,
+                                 GError **error)
+{
+       g_return_val_if_fail (SECRET_IS_SERVICE (self), FALSE);
+
+       return secret_service_clear_finish (SECRET_SERVICE (self),
+                                           result, error);
+}
+
+static void
+secret_service_real_search (SecretBackend *self,
+                           const SecretSchema *schema,
+                           GHashTable *attributes,
+                           SecretSearchFlags flags,
+                           GCancellable *cancellable,
+                           GAsyncReadyCallback callback,
+                           gpointer user_data)
+{
+       g_return_if_fail (SECRET_IS_SERVICE (self));
+
+       secret_service_search (SECRET_SERVICE (self), schema, attributes, flags,
+                              cancellable, callback, user_data);
+}
+
+static GList *
+secret_service_real_search_finish (SecretBackend *self,
+                                  GAsyncResult *result,
+                                  GError **error)
+{
+       g_return_val_if_fail (SECRET_IS_SERVICE (self), NULL);
+
+       return secret_service_search_finish (SECRET_SERVICE (self),
+                                            result, error);
+}
+
+static void
+secret_service_backend_iface (SecretBackendInterface *iface)
+{
+       secret_service_backend_parent_iface = g_type_interface_peek_parent (iface);
+
+       iface->ensure_for_flags = secret_service_real_ensure_for_flags;
+       iface->ensure_for_flags_finish = secret_service_real_ensure_for_flags_finish;
+       iface->store = secret_service_real_store;
+       iface->store_finish = secret_service_real_store_finish;
+       iface->lookup = secret_service_real_lookup;
+       iface->lookup_finish = secret_service_real_lookup_finish;
+       iface->clear = secret_service_real_clear;
+       iface->clear_finish = secret_service_real_clear_finish;
+       iface->search = secret_service_real_search;
+       iface->search_finish = secret_service_real_search_finish;
+}
+
 /**
  * secret_service_get:
  * @flags: flags for which service functionality to ensure is initialized