]> git.0d.be Git - empathy.git/blobdiff - libempathy/empathy-server-sasl-handler.c
Use a flat namespace for internal includes
[empathy.git] / libempathy / empathy-server-sasl-handler.c
index 3cfc86fa8f66404122ebd8116172b7b5b6a35c5c..b9b908ed7a4045a23d71c4d7737a867a9de11a8c 100644 (file)
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#include "empathy-server-sasl-handler.h"
+#include "config.h"
 
-#include <telepathy-glib/util.h>
+#include "empathy-server-sasl-handler.h"
 
-#include <string.h>
+#include "extensions.h"
 
 #define DEBUG_FLAG EMPATHY_DEBUG_SASL
 #include "empathy-debug.h"
 #include "empathy-keyring.h"
+#include "empathy-sasl-mechanisms.h"
 
 enum {
   PROP_CHANNEL = 1,
@@ -35,6 +36,7 @@ enum {
 
 /* signal enum */
 enum {
+  AUTH_PASSWORD_FAILED,
   INVALIDATED,
   LAST_SIGNAL,
 };
@@ -48,6 +50,7 @@ typedef struct {
   GSimpleAsyncResult *result;
 
   gchar *password;
+  gboolean save_password;
 
   GSimpleAsyncResult *async_init_res;
 } EmpathyServerSASLHandlerPriv;
@@ -58,46 +61,22 @@ G_DEFINE_TYPE_WITH_CODE (EmpathyServerSASLHandler, empathy_server_sasl_handler,
     G_TYPE_OBJECT,
     G_IMPLEMENT_INTERFACE (G_TYPE_ASYNC_INITABLE, async_initable_iface_init));
 
-static const gchar *sasl_statuses[] = {
-  "not started",
-  "in progress",
-  "server succeeded",
-  "client accepted",
-  "succeeded",
-  "server failed",
-  "client failed",
-};
-
 static void
-sasl_status_changed_cb (TpChannel *channel,
-    TpSASLStatus status,
-    const gchar *error,
-    GHashTable *details,
-    gpointer user_data,
-    GObject *weak_object)
+empathy_server_sasl_handler_set_password_cb (GObject *source,
+    GAsyncResult *result,
+    gpointer user_data)
 {
-  EmpathyServerSASLHandlerPriv *priv = EMPATHY_SERVER_SASL_HANDLER (weak_object)->priv;
-
-  /* buh boh */
-  if (status >= G_N_ELEMENTS (sasl_statuses))
-    {
-      DEBUG ("SASL status changed to unknown status");
-      return;
-    }
-
-  DEBUG ("SASL status changed to '%s'", sasl_statuses[status]);
+  GError *error = NULL;
 
-  if (status == TP_SASL_STATUS_SERVER_SUCCEEDED)
+  if (!empathy_keyring_set_account_password_finish (TP_ACCOUNT (source), result,
+          &error))
     {
-      DEBUG ("Calling AcceptSASL");
-      tp_cli_channel_interface_sasl_authentication_call_accept_sasl (
-          priv->channel, -1, NULL, NULL, NULL, NULL);
+      DEBUG ("Failed to set password: %s", error->message);
+      g_clear_error (&error);
     }
-  else if (status == TP_SASL_STATUS_SUCCEEDED)
+  else
     {
-      DEBUG ("SASL succeeded, calling Close");
-      tp_cli_channel_call_close (priv->channel, -1,
-          NULL, NULL, NULL, NULL);
+      DEBUG ("Password set successfully.");
     }
 }
 
@@ -124,7 +103,7 @@ empathy_server_sasl_handler_get_password_async_cb (GObject *source,
 
   priv = EMPATHY_SERVER_SASL_HANDLER (user_data)->priv;
 
-  password = empathy_keyring_get_password_finish (TP_ACCOUNT (source),
+  password = empathy_keyring_get_account_password_finish (TP_ACCOUNT (source),
       result, &error);
 
   if (password != NULL)
@@ -155,7 +134,7 @@ empathy_server_sasl_handler_init_async (GAsyncInitable *initable,
   priv->async_init_res = g_simple_async_result_new (G_OBJECT (self),
       callback, user_data, empathy_server_sasl_handler_new_async);
 
-  empathy_keyring_get_password_async (priv->account,
+  empathy_keyring_get_account_password_async (priv->account,
       empathy_server_sasl_handler_get_password_async_cb, self);
 }
 
@@ -194,9 +173,6 @@ empathy_server_sasl_handler_constructed (GObject *object)
   EmpathyServerSASLHandlerPriv *priv = EMPATHY_SERVER_SASL_HANDLER (object)->priv;
   GError *error = NULL;
 
-  tp_cli_channel_interface_sasl_authentication_connect_to_sasl_status_changed (
-      priv->channel, sasl_status_changed_cb, NULL, NULL, object, &error);
-
   if (error != NULL)
     {
       DEBUG ("Failed to connect to SASLStatusChanged: %s", error->message);
@@ -286,7 +262,7 @@ empathy_server_sasl_handler_class_init (EmpathyServerSASLHandlerClass *klass)
   oclass->get_property = empathy_server_sasl_handler_get_property;
   oclass->set_property = empathy_server_sasl_handler_set_property;
   oclass->dispose = empathy_server_sasl_handler_dispose;
-  oclass->dispose = empathy_server_sasl_handler_finalize;
+  oclass->finalize = empathy_server_sasl_handler_finalize;
 
   g_type_class_add_private (klass, sizeof (EmpathyServerSASLHandlerPriv));
 
@@ -302,11 +278,18 @@ empathy_server_sasl_handler_class_init (EmpathyServerSASLHandlerClass *klass)
       G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
   g_object_class_install_property (oclass, PROP_ACCOUNT, pspec);
 
+  signals[AUTH_PASSWORD_FAILED] = g_signal_new ("auth-password-failed",
+      G_TYPE_FROM_CLASS (klass),
+      G_SIGNAL_RUN_LAST, 0,
+      NULL, NULL,
+      g_cclosure_marshal_generic,
+      G_TYPE_NONE, 1, G_TYPE_STRING);
+
   signals[INVALIDATED] = g_signal_new ("invalidated",
       G_TYPE_FROM_CLASS (klass),
       G_SIGNAL_RUN_LAST, 0,
       NULL, NULL,
-      g_cclosure_marshal_VOID__VOID,
+      g_cclosure_marshal_generic,
       G_TYPE_NONE, 0);
 }
 
@@ -353,37 +336,54 @@ empathy_server_sasl_handler_new_async (TpAccount *account,
 }
 
 static void
-start_mechanism_with_data_cb (TpChannel *proxy,
-    const GError *error,
-    gpointer user_data,
-    GObject *weak_object)
-{
-  if (error != NULL)
-    {
-      DEBUG ("Failed to start mechanism: %s", error->message);
-      return;
-    }
-
-  DEBUG ("Started mechanism successfully");
-}
-
-static void
-empathy_server_sasl_handler_set_password_cb (GObject *source,
+auth_cb (GObject *source,
     GAsyncResult *result,
     gpointer user_data)
 {
+  EmpathyServerSASLHandler *self = user_data;
+  EmpathyServerSASLHandlerPriv *priv = self->priv;
   GError *error = NULL;
 
-  if (!empathy_keyring_set_password_finish (TP_ACCOUNT (source), result,
-          &error))
+  if (!empathy_sasl_auth_finish (priv->channel, result, &error))
     {
-      DEBUG ("Failed to set password: %s", error->message);
+      if (g_error_matches (error, TP_ERROR, TP_ERROR_AUTHENTICATION_FAILED))
+        {
+          g_signal_emit (self, signals[AUTH_PASSWORD_FAILED], 0, priv->password);
+        }
       g_clear_error (&error);
     }
   else
     {
-      DEBUG ("Password set successfully.");
+      DEBUG ("Saving password in keyring");
+      empathy_keyring_set_account_password_async (priv->account,
+          priv->password, priv->save_password,
+          empathy_server_sasl_handler_set_password_cb,
+          NULL);
+    }
+
+  tp_channel_close_async (priv->channel, NULL, NULL);
+  g_object_unref (self);
+}
+
+static gboolean
+channel_has_may_save_response (TpChannel *channel)
+{
+  /* determine if we are permitted to save the password locally */
+  GVariant *props;
+  gboolean may_save_response;
+
+  props = tp_channel_dup_immutable_properties (channel);
+
+  if (!g_variant_lookup (props,
+        TP_PROP_CHANNEL_INTERFACE_SASL_AUTHENTICATION_MAY_SAVE_RESPONSE,
+        "b", &may_save_response))
+    {
+      DEBUG ("MaySaveResponse unknown, assuming TRUE");
+      may_save_response = TRUE;
     }
+
+  g_variant_unref (props);
+  return may_save_response;
 }
 
 void
@@ -393,31 +393,53 @@ empathy_server_sasl_handler_provide_password (
     gboolean remember)
 {
   EmpathyServerSASLHandlerPriv *priv;
-  GArray *array;
+  gboolean may_save_response;
 
   g_return_if_fail (EMPATHY_IS_SERVER_SASL_HANDLER (handler));
 
   priv = handler->priv;
 
-  array = g_array_sized_new (TRUE, FALSE,
-      sizeof (gchar), strlen (password));
-
-  g_array_append_vals (array, password, strlen (password));
+  empathy_sasl_auth_password_async (priv->channel, password,
+      auth_cb, g_object_ref (handler));
 
-  DEBUG ("Calling StartMechanismWithData with our password");
+  DEBUG ("%sremembering the password", remember ? "" : "not ");
 
-  tp_cli_channel_interface_sasl_authentication_call_start_mechanism_with_data (
-      priv->channel, -1, "X-TELEPATHY-PASSWORD", array,
-      start_mechanism_with_data_cb, NULL, NULL, G_OBJECT (handler));
+  may_save_response = channel_has_may_save_response (priv->channel);
 
-  g_array_unref (array);
+  if (remember)
+    {
+      if (may_save_response)
+        {
+          g_free (priv->password);
+
+          /* We'll save the password if we manage to connect */
+          priv->password = g_strdup (password);
+          priv->save_password = TRUE;
+        }
+      else if (tp_proxy_has_interface_by_id (priv->channel,
+            EMP_IFACE_QUARK_CHANNEL_INTERFACE_CREDENTIALS_STORAGE))
+        {
+          DEBUG ("Channel implements Ch.I.CredentialsStorage");
+        }
+      else
+        {
+          DEBUG ("Asked to remember password, but doing so is not permitted");
+        }
+    }
 
-  DEBUG ("%sremembering the password", remember ? "" : "not ");
+  if (!may_save_response)
+    {
+      /* delete any password present, it shouldn't be there */
+      empathy_keyring_delete_account_password_async (priv->account, NULL, NULL);
+    }
 
-  if (remember)
+  /* Additionally, if we implement Ch.I.CredentialsStorage, inform that
+   * whether we want to remember the password */
+  if (tp_proxy_has_interface_by_id (priv->channel,
+        EMP_IFACE_QUARK_CHANNEL_INTERFACE_CREDENTIALS_STORAGE))
     {
-      empathy_keyring_set_password_async (priv->account, password,
-          empathy_server_sasl_handler_set_password_cb, NULL);
+      emp_cli_channel_interface_credentials_storage_call_store_credentials (
+          TP_PROXY (priv->channel), -1, remember, NULL, NULL, NULL, NULL);
     }
 }
 
@@ -450,6 +472,18 @@ empathy_server_sasl_handler_get_account (EmpathyServerSASLHandler *handler)
   return priv->account;
 }
 
+TpChannel *
+empathy_server_sasl_handler_get_channel (EmpathyServerSASLHandler *handler)
+{
+  EmpathyServerSASLHandlerPriv *priv;
+
+  g_return_val_if_fail (EMPATHY_IS_SERVER_SASL_HANDLER (handler), NULL);
+
+  priv = handler->priv;
+
+  return priv->channel;
+}
+
 gboolean
 empathy_server_sasl_handler_has_password (EmpathyServerSASLHandler *handler)
 {
@@ -461,3 +495,30 @@ empathy_server_sasl_handler_has_password (EmpathyServerSASLHandler *handler)
 
   return (priv->password != NULL);
 }
+
+/**
+ * empathy_server_sasl_handler_can_save_response_somewhere:
+ * @self:
+ *
+ * Returns: %TRUE if the response can be saved somewhere, either the keyring
+ *   or via Ch.I.CredentialsStorage
+ */
+gboolean
+empathy_server_sasl_handler_can_save_response_somewhere (
+    EmpathyServerSASLHandler *self)
+{
+  EmpathyServerSASLHandlerPriv *priv;
+  gboolean may_save_response;
+  gboolean has_storage_iface;
+
+  g_return_val_if_fail (EMPATHY_IS_SERVER_SASL_HANDLER (self), FALSE);
+
+  priv = self->priv;
+
+  may_save_response = channel_has_may_save_response (priv->channel);
+
+  has_storage_iface = tp_proxy_has_interface_by_id (priv->channel,
+      EMP_IFACE_QUARK_CHANNEL_INTERFACE_CREDENTIALS_STORAGE);
+
+  return may_save_response || has_storage_iface;
+}