1 files changed, 67 insertions, 0 deletions
diff --git a/src/backenddb/pg_select_login_token.c b/src/backenddb/pg_select_login_token.c
new file mode 100644
index 00000000..7b72b373
--- /dev/null
+++ b/src/backenddb/pg_select_login_token.c
@@ -0,0 +1,67 @@
+/*
+   This file is part of TALER
+   Copyright (C) 2023 Taler Systems SA
+
+   TALER is free software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the Free Software
+   Foundation; either version 3, or (at your option) any later version.
+
+   TALER 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along with
+   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * @file backenddb/pg_select_login_token.c
+ * @brief Implementation of the select_login_token function for Postgres
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <taler/taler_error_codes.h>
+#include <taler/taler_dbevents.h>
+#include <taler/taler_pq_lib.h>
+#include "pg_select_login_token.h"
+#include "pg_helper.h"
+
+
+enum GNUNET_DB_QueryStatus
+TMH_PG_select_login_token (
+  void *cls,
+  const char *id,
+  const struct TALER_MERCHANTDB_LoginTokenP *token,
+  struct GNUNET_TIME_Timestamp *expiration_time,
+  uint32_t *validity_scope)
+{
+  struct PostgresClosure *pg = cls;
+  struct GNUNET_PQ_QueryParam params[] = {
+    GNUNET_PQ_query_param_string (id),
+    GNUNET_PQ_query_param_auto_from_type (token),
+    GNUNET_PQ_query_param_end
+  };
+  struct GNUNET_PQ_ResultSpec rs[] = {
+    GNUNET_PQ_result_spec_timestamp ("expiration_time",
+                                     expiration_time),
+    GNUNET_PQ_result_spec_uint32 ("validity_scope",
+                                  validity_scope),
+    GNUNET_PQ_result_spec_end
+  };
+
+  check_connection (pg);
+  PREPARE (pg,
+           "select_login_token",
+           "SELECT"
+           " expiration_time"
+           ",validity_scope"
+           " FROM merchant_login_tokens"
+           " WHERE token=$2"
+           "   AND merchant_serial="
+           "    (SELECT merchant_serial"
+           "       FROM merchant_instances"
+           "      WHERE merchant_id=$1)");
+  return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
+                                                   "select_login_token",
+                                                   params,
+                                                   rs);
+}