From ef4238874f6628a9ee4464ad3b70a7fde96d518b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=96zg=C3=BCr=20Kesim?= <oec-taler@kesim.org>
Date: Mon, 27 Dec 2021 23:24:48 +0100
Subject: [age restriction] progress 9/n

More worke towards support for extensions and age restriction:

- taler-exchange-httpd_management_extensions.c almost completed
  - handling of request implemented
  - stub "set_extensions" for database transaction added

- utility functions added
  - TALER_exchange_offline_extension_agemask_{sign,verify}
  - TALER_agemask_parse_json
---
 src/json/json_helper.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'src/json')

diff --git a/src/json/json_helper.c b/src/json/json_helper.c
index 949354e24..3b4da5595 100644
--- a/src/json/json_helper.c
+++ b/src/json/json_helper.c
@@ -659,4 +659,36 @@ TALER_JSON_spec_i18n_str (const char *name,
 }
 
 
+enum GNUNET_GenericReturnValue
+TALER_agemask_parse_json (const json_t *root,
+                          struct TALER_AgeMask *mask)
+{
+  const char *name;
+  struct GNUNET_JSON_Specification spec[] = {
+    GNUNET_JSON_spec_string ("extension",
+                             &name),
+    GNUNET_JSON_spec_uint32 ("mask",
+                             &mask->mask),
+    GNUNET_JSON_spec_end ()
+  };
+
+  if (GNUNET_OK != GNUNET_JSON_parse (root,
+                                      spec,
+                                      NULL,
+                                      NULL))
+  {
+    return GNUNET_SYSERR;
+  }
+
+  if (! strncmp (name,
+                 "age_restriction",
+                 sizeof("age_restriction")))
+  {
+    return GNUNET_SYSERR;
+  }
+
+  return GNUNET_OK;
+}
+
+
 /* end of json/json_helper.c */
-- 
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