2007-07-12 Murray Cumming <murrayc@murrayc.com>
[modest] / src / modest-tny-account-store.c
index de071a6..e4efc5f 100644 (file)
@@ -376,6 +376,25 @@ on_account_removed (ModestAccountMgr *acc_mgr,
                g_printerr ("modest: cannot find server account for %s", account);
 }
 
+/**
+ * modest_tny_account_store_forget_password_in_memory
+ * @self: a TnyAccountStore instance
+ * @account: A server account.
+ * 
+ * Forget any password stored in memory for this account.
+ * For instance, this should be called when the user has changed the password in the account settings.
+ */
+static void
+modest_tny_account_store_forget_password_in_memory (ModestTnyAccountStore *self, const gchar * server_account_name)
+{
+       /* printf ("DEBUG: %s\n", __FUNCTION__); */
+       ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
+
+       if (server_account_name && priv->password_hash) {
+               g_hash_table_remove (priv->password_hash, server_account_name);
+       }
+}
+
 static void
 on_account_changed (ModestAccountMgr *acc_mgr, const gchar *account,
                    const GSList *keys, gboolean server_account, gpointer user_data)
@@ -383,15 +402,38 @@ on_account_changed (ModestAccountMgr *acc_mgr, const gchar *account,
 {
        ModestTnyAccountStore *self = MODEST_TNY_ACCOUNT_STORE(user_data);
        
+       /*
+       printf ("DEBUG: %s\n", __FUNCTION__);
+       const GSList *iter = keys;
+       for (iter = keys; iter; iter = g_slist_next (iter)) {
+               printf ("  DEBUG: %s: key=%s\n", __FUNCTION__, (const gchar*)iter->data);
+       }
+       */
+       
        /* Ignore the change if it's a change in the last_updated value */
        if (g_slist_length ((GSList *)keys) == 1 &&
-           g_str_has_suffix ((const gchar *) keys->data, MODEST_ACCOUNT_LAST_UPDATED))
+               g_str_has_suffix ((const gchar *) keys->data, MODEST_ACCOUNT_LAST_UPDATED)) {
                return;
+       }
 
        /* FIXME: make this more finegrained; changes do not really affect _all_
         * accounts
         */
        recreate_all_accounts (self);
+       
+       /* TODO: This doesn't actually work, because
+        * a) The account name is not sent correctly per key:
+        * b) We should test the end of the key, not the whole keym
+        * c) We don't seem to be getting all keys here.
+        * Instead, we just forget the password for all accounts when we create them, for now.
+        */
+       #if 0
+       /* If a password has changed, then forget the previously cached password for this account: */
+       if (server_account && keys && g_slist_find_custom ((GSList *)keys, MODEST_ACCOUNT_PASSWORD, (GCompareFunc)strcmp)) {
+               printf ("DEBUG: %s: Forgetting cached password for account ID=%s\n", __FUNCTION__, account);
+               modest_tny_account_store_forget_password_in_memory (self,  account);
+       }
+       #endif
 
        g_signal_emit (G_OBJECT(self), signals[ACCOUNT_UPDATE_SIGNAL], 0,
                       account);
@@ -489,6 +531,70 @@ gboolean on_idle_wrong_password (gpointer user_data)
        return FALSE; /* Dont' call this again. */
 }
 
+typedef struct 
+{
+       GMainLoop *loop;
+       ModestTnyAccountStore* account_store;
+       const gchar* server_account_id;
+       gchar **username;
+       gchar **password;
+       gboolean *cancel;
+       gboolean *remember;
+} IdlePasswordRequest;
+
+static gboolean 
+on_idle_request_password (gpointer user_data)
+{
+       gdk_threads_enter();
+       
+       IdlePasswordRequest* info = (IdlePasswordRequest*)user_data;
+       g_signal_emit (G_OBJECT(info->account_store), signals[PASSWORD_REQUESTED_SIGNAL], 0,
+                              info->server_account_id, /* server_account_name */
+                              info->username, info->password, info->cancel, info->remember);
+                              
+       if (info->loop)
+               g_main_loop_quit (info->loop);
+       
+       gdk_threads_leave();
+       
+       return FALSE; /* Don't call again. */
+}
+
+static void
+request_password_in_main_loop_and_wait (ModestTnyAccountStore *account_store, 
+                                        const gchar* server_account_id,
+                                        gchar **username,
+                                        gchar **password,
+                                        gboolean *cancel, 
+                                        gboolean *remember)
+{
+       IdlePasswordRequest *data = g_slice_new0 (IdlePasswordRequest);
+       data->account_store = account_store;
+       data->server_account_id = server_account_id;
+       data->username = username;
+       data->password = password;
+       data->cancel = cancel;
+       data->remember = remember;
+
+       data->loop = g_main_loop_new (NULL, FALSE /* not running */);
+       
+       /* Cause the function to be run in an idle-handler, which is always 
+        * in the main thread:
+        */
+       g_idle_add (&on_idle_request_password, data);
+       
+       /* This main loop will run until the idle handler has stopped it: */
+       printf ("DEBUG: %s: before g_main_loop_run()\n", __FUNCTION__);
+       GDK_THREADS_LEAVE();
+       g_main_loop_run (data->loop);
+       GDK_THREADS_ENTER();
+       printf ("DEBUG: %s: after g_main_loop_run()\n", __FUNCTION__);
+       printf ("DEBUG: %s: Finished\n", __FUNCTION__);
+       g_main_loop_unref (data->loop);
+
+       g_slice_free (IdlePasswordRequest, data);
+}
+
 /* This callback will be called by Tinymail when it needs the password
  * from the user or the account settings.
  * It can also call forget_password() before calling this,
@@ -522,7 +628,7 @@ get_password (TnyAccount *account, const gchar * prompt_not_used, gboolean *canc
        account_store = TNY_ACCOUNT_STORE(get_account_store_for_account (account));
 
        if (!server_account_name || !account_store) {
-               g_warning ("%s: could not retrieve account_store for account %s",
+               g_warning ("modest: %s: could not retrieve account_store for account %s",
                           __FUNCTION__, server_account_name ? server_account_name : "<NULL>");
                if (cancel)
                        *cancel = TRUE;
@@ -580,8 +686,7 @@ get_password (TnyAccount *account, const gchar * prompt_not_used, gboolean *canc
                gboolean remember = FALSE;
                pwd = NULL;
                
-               g_signal_emit (G_OBJECT(self), signals[PASSWORD_REQUESTED_SIGNAL], 0,
-                              account_id, /* server_account_name */
+               request_password_in_main_loop_and_wait (self, account_id, 
                               &username, &pwd, cancel, &remember);
                
                if (!*cancel) {
@@ -651,6 +756,19 @@ forget_password (TnyAccount *account)
        */
 }
 
+static void
+destroy_password_hashtable (ModestTnyAccountStore *self)
+{
+       ModestTnyAccountStorePrivate *priv = MODEST_TNY_ACCOUNT_STORE_GET_PRIVATE(self);
+       
+       g_free (priv->cache_dir);
+       priv->cache_dir = NULL;
+       
+       if (priv->password_hash) {
+               g_hash_table_destroy (priv->password_hash);
+               priv->password_hash = NULL;
+       }
+}
 
 static void
 modest_tny_account_store_finalize (GObject *obj)
@@ -668,10 +786,7 @@ modest_tny_account_store_finalize (GObject *obj)
                priv->password_hash = NULL;
        }
        
-       if (priv->account_settings_dialog_hash) {
-               g_hash_table_destroy (priv->account_settings_dialog_hash);
-               priv->account_settings_dialog_hash = NULL;
-       }
+       destroy_password_hashtable (self);
 
        if (priv->account_mgr) {
                g_object_unref (G_OBJECT(priv->account_mgr));
@@ -837,6 +952,15 @@ get_server_accounts  (TnyAccountStore *self, TnyList *list, TnyAccountType type)
                                                                     get_password,
                                                                     forget_password);
                        if (tny_account) {
+                               /* Forget any cached password for the account,
+                                * so that we use a new account if any.
+                                * TODO: Really we should do this in a more precise way in 
+                                * on_account_changed().
+                                */
+                               modest_tny_account_store_forget_password_in_memory (
+                                       MODEST_TNY_ACCOUNT_STORE (self),  
+                                       tny_account_get_id (tny_account));
+                               
                                g_object_set_data (G_OBJECT(tny_account), "account_store",
                                                   (gpointer)self);
                                if (list)
@@ -1109,8 +1233,16 @@ modest_tny_account_store_alert (TnyAccountStore *self, TnyAccount *account, TnyA
        if (!server_name)
                server_name = _("Unknown Server");      
                
-       const ModestTransportStoreProtocol proto
-               = modest_protocol_info_get_transport_store_protocol (tny_account_get_proto (account));
+       ModestTransportStoreProtocol proto = MODEST_PROTOCOL_STORE_POP; /* Arbitrary default. */
+       if (account) {
+               const gchar *proto_name = tny_account_get_proto (account);
+               if (proto_name)
+                       proto = modest_protocol_info_get_transport_store_protocol (proto_name);
+               else {
+                       g_warning("modest: %s: account with id=%s has no proto.\n", __FUNCTION__, 
+                               tny_account_get_id (account));
+               }
+       }
                
        /* const gchar *prompt = NULL; */
        gchar *prompt = NULL;