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[taler-exchange] branch master updated: skeleton for AML decision server
From: |
gnunet |
Subject: |
[taler-exchange] branch master updated: skeleton for AML decision server handler |
Date: |
Fri, 20 Jan 2023 14:47:07 +0100 |
This is an automated email from the git hooks/post-receive script.
grothoff pushed a commit to branch master
in repository exchange.
The following commit(s) were added to refs/heads/master by this push:
new c30ee883 skeleton for AML decision server handler
c30ee883 is described below
commit c30ee88336ef7c26d9f6b74b47bd0acea751c2ee
Author: Christian Grothoff <grothoff@gnunet.org>
AuthorDate: Fri Jan 20 14:46:33 2023 +0100
skeleton for AML decision server handler
---
src/exchange/taler-exchange-httpd_aml-decision.c | 149 +++++++++++++++++++++++
1 file changed, 149 insertions(+)
diff --git a/src/exchange/taler-exchange-httpd_aml-decision.c
b/src/exchange/taler-exchange-httpd_aml-decision.c
new file mode 100644
index 00000000..0526e79d
--- /dev/null
+++ b/src/exchange/taler-exchange-httpd_aml-decision.c
@@ -0,0 +1,149 @@
+/*
+ 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 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 Affero General Public License for more
details.
+
+ You should have received a copy of the GNU Affero General Public License
along with
+ TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler-exchange-httpd_aml-decision.c
+ * @brief Handle request about an AML decision.
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_json_lib.h>
+#include <jansson.h>
+#include <microhttpd.h>
+#include <pthread.h>
+#include "taler_json_lib.h"
+#include "taler_mhd_lib.h"
+#include "taler_signatures.h"
+#include "taler-exchange-httpd_responses.h"
+
+
+
+MHD_RESULT
+TEH_handler_management_post_aml_decision (
+ struct MHD_Connection *connection,
+ const json_t *root)
+{
+ const char *justification;
+ struct GNUNET_TIME_Timestamp decision_time;
+ struct TALER_Amount new_threshold;
+ struct TALER_PaytoHashP h_payto;
+ uint32_t new_state32;
+ enum TALER_AmlDecisionState new_state;
+ struct TALER_AmlOfficerPublicKeyP officer_pub;
+ struct TALER_AmlOfficerSignatureP officer_sig;
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_fixed_auto ("officer_pub",
+ &officer_pub),
+ GNUNET_JSON_spec_fixed_auto ("officer_sig",
+ &officer_sig),
+ GNUNET_JSON_spec_fixed_auto ("h_payto",
+ &h_payto),
+ TALER_JSON_spec_amount ("new_threshold",
+ &new_threshold),
+ GNUNET_JSON_spec_string ("justification",
+ &justification),
+ GNUNET_JSON_spec_timestamp ("decision_time",
+ &decision_time),
+ GNUNET_JSON_spec_uint32 ("new_state",
+ &new_state32),
+ GNUNET_JSON_spec_end ()
+ };
+
+ {
+ enum GNUNET_GenericReturnValue res;
+
+ res = TALER_MHD_parse_json_data (connection,
+ root,
+ spec);
+ if (GNUNET_SYSERR == res)
+ return MHD_NO; /* hard failure */
+ if (GNUNET_NO == res)
+ return MHD_YES; /* failure */
+ }
+ new_state = (enum TALER_AmlDecisionState) new_state32;
+ TEH_METRICS_num_verifications[TEH_MT_SIGNATURE_EDDSA]++;
+ if (GNUNET_OK !=
+ TALER_exchange_aml_decision_verify (justification,
+ decision_time,
+ &new_threshold,
+ &h_payto,
+ new_state,
+ &officer_pub,
+ &officer_sig))
+ {
+ GNUNET_break_op (0);
+ return TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_FORBIDDEN,
+ TALER_EC_EXCHANGE_AML_DECISION_ADD_SIGNATURE_INVALID,
+ NULL);
+ }
+ {
+ enum GNUNET_DB_QueryStatus qs;
+ struct GNUNET_TIME_Timestamp last_date;
+ bool invalid_officer;
+
+ do {
+ qs = TEH_plugin->add_aml_decision (TEH_plugin->cls,
+ justification,
+ decision_time,
+ &new_threshold,
+ &h_payto,
+ new_state,
+ &officer_pub,
+ &officer_sig,
+ &invalid_officer,
+ &last_date);
+ } while (GNUNET_DB_STATUS_SOFT_ERROR == qs);
+ if (qs < 0)
+ {
+ GNUNET_break (0);
+ *mhd_ret = TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ "add aml_decision");
+ return qs;
+ }
+ if (invalid_officer)
+ {
+ return TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_FORBIDDEN,
+
TALER_EC_EXCHANGE_AML_DECISION_INVALID_OFFICER,
+ NULL);
+ }
+ if (GNUNET_TIME_timestamp_cmp (last_date,
+ >,
+ validity_start))
+ {
+ GNUNET_break_op (0);
+ return TALER_MHD_reply_with_error (
+ connection,
+ MHD_HTTP_CONFLICT,
+
TALER_EC_EXCHANGE_AML_DECISION_MORE_RECENT_PRESENT,
+ NULL);
+ }
+ }
+ return TALER_MHD_reply_static (
+ connection,
+ MHD_HTTP_NO_CONTENT,
+ NULL,
+ NULL,
+ 0);
+}
+
+
+/* end of taler-exchange-httpd_aml-decision.c */
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