1 files changed, 110 insertions, 0 deletions
diff --git a/src/backend/taler-merchant-httpd_private-get-otp-devices-ID.c b/src/backend/taler-merchant-httpd_private-get-otp-devices-ID.c
new file mode 100644
index 00000000..63f3f43d
--- /dev/null
+++ b/src/backend/taler-merchant-httpd_private-get-otp-devices-ID.c
@@ -0,0 +1,110 @@
+/*
+  This file is part of TALER
+  (C) 2022-2024 Taler Systems SA
+
+  TALER is free software; you can redistribute it and/or modify it under the
+  terms of the GNU Affero 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 taler-merchant-httpd_private-get-otp-devices-ID.c
+ * @brief implement GET /otp-devices/$ID
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler-merchant-httpd_private-get-otp-devices-ID.h"
+#include <taler/taler_json_lib.h>
+
+
+/**
+ * Handle a GET "/otp-devices/$ID" request.
+ *
+ * @param rh context of the handler
+ * @param connection the MHD connection to handle
+ * @param[in,out] hc context with further information about the request
+ * @return MHD result code
+ */
+MHD_RESULT
+TMH_private_get_otp_devices_ID (const struct TMH_RequestHandler *rh,
+                                struct MHD_Connection *connection,
+                                struct TMH_HandlerContext *hc)
+{
+  struct TMH_MerchantInstance *mi = hc->instance;
+  struct TALER_MERCHANTDB_OtpDeviceDetails tp = { 0 };
+  enum GNUNET_DB_QueryStatus qs;
+  uint64_t faketime_s
+    = GNUNET_TIME_timestamp_to_s (GNUNET_TIME_timestamp_get ());
+  struct GNUNET_TIME_Timestamp my_time;
+  struct TALER_Amount price;
+
+  TALER_MHD_parse_request_number (connection,
+                                  "faketime",
+                                  &faketime_s);
+  memset (&price,
+          0,
+          sizeof (price));
+  TALER_MHD_parse_request_amount (connection,
+                                  "price",
+                                  &price);
+  my_time = GNUNET_TIME_timestamp_from_s (faketime_s);
+  GNUNET_assert (NULL != mi);
+  qs = TMH_db->select_otp (TMH_db->cls,
+                           mi->settings.id,
+                           hc->infix,
+                           &tp);
+  if (0 > qs)
+  {
+    GNUNET_break (0);
+    return TALER_MHD_reply_with_error (connection,
+                                       MHD_HTTP_INTERNAL_SERVER_ERROR,
+                                       TALER_EC_GENERIC_DB_FETCH_FAILED,
+                                       "select_otp");
+  }
+  if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs)
+  {
+    return TALER_MHD_reply_with_error (connection,
+                                       MHD_HTTP_NOT_FOUND,
+                                       TALER_EC_MERCHANT_GENERIC_OTP_DEVICE_UNKNOWN,
+                                       hc->infix);
+  }
+  {
+    MHD_RESULT ret;
+    char *pos_confirmation;
+
+    pos_confirmation = (NULL == tp.otp_key)
+      ? NULL
+      : TALER_build_pos_confirmation (tp.otp_key,
+                                      tp.otp_algorithm,
+                                      &price,
+                                      my_time);
+    /* Note: we deliberately (by design) do not return the otp_key */
+    ret = TALER_MHD_REPLY_JSON_PACK (
+      connection,
+      MHD_HTTP_OK,
+      GNUNET_JSON_pack_string ("device_description",
+                               tp.otp_description),
+      GNUNET_JSON_pack_allow_null (
+        GNUNET_JSON_pack_string ("otp_code",
+                                 pos_confirmation)),
+      GNUNET_JSON_pack_uint64 ("otp_timestamp",
+                               faketime_s),
+      GNUNET_JSON_pack_uint64 ("otp_algorithm",
+                               tp.otp_algorithm),
+      GNUNET_JSON_pack_uint64 ("otp_ctr",
+                               tp.otp_ctr));
+    GNUNET_free (pos_confirmation);
+    GNUNET_free (tp.otp_description);
+    GNUNET_free (tp.otp_key);
+    return ret;
+  }
+}
+
+
+/* end of taler-merchant-httpd_private-get-otp-devices-ID.c */