OAuth2 Pkce Workflow

1 files changed, 63 insertions, 0 deletions

diff --git a/rest/rest-oauth2-proxy-call.c b/rest/rest-oauth2-proxy-call.c
new file mode 100644
index 0000000..cbea6f5
--- /dev/null
+++ b/rest/rest-oauth2-proxy-call.c
@@ -0,0 +1,63 @@
+/* rest-oauth2-proxy-call.c
+ *
+ * Copyright 2021 Günther Wagner <info@gunibert.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU Lesser General Public License,
+ * version 2.1, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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 program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "rest-oauth2-proxy-call.h"
+
+G_DEFINE_TYPE (RestOAuth2ProxyCall, rest_oauth2_proxy_call, REST_TYPE_PROXY_CALL)
+
+static gboolean
+rest_oauth2_proxy_call_prepare (RestProxyCall  *call,
+                                GError        **error)
+{
+  RestOAuth2ProxyCall *self = (RestOAuth2ProxyCall *)call;
+  RestOAuth2Proxy *proxy = NULL;
+  g_autoptr(GDateTime) now = NULL;
+  GDateTime *expiration_date = NULL;
+
+  g_return_val_if_fail (REST_IS_OAUTH2_PROXY_CALL (call), FALSE);
+
+  g_object_get (call, "proxy", &proxy, NULL);
+
+  now = g_date_time_new_now_local ();
+  expiration_date = rest_oauth2_proxy_get_expiration_date (proxy);
+
+  // access token expired -> refresh
+  if (g_date_time_compare (now, expiration_date) > 0)
+    {
+      g_set_error (error,
+                   REST_OAUTH2_ERROR,
+                   REST_OAUTH2_ERROR_ACCESS_TOKEN_EXPIRED,
+                   "Access token is expired");
+      return FALSE;
+    }
+
+  return TRUE;
+}
+
+static void
+rest_oauth2_proxy_call_class_init (RestOAuth2ProxyCallClass *klass)
+{
+  RestProxyCallClass *call_class = REST_PROXY_CALL_CLASS (klass);
+
+  call_class->prepare = rest_oauth2_proxy_call_prepare;
+}
+
+static void
+rest_oauth2_proxy_call_init (RestOAuth2ProxyCall *self)
+{
+}