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-rw-r--r--src/auditor/Makefile.am1
-rw-r--r--src/auditor/taler-auditor-httpd.c4
-rw-r--r--src/auditor/taler-auditor-httpd_exchanges.c151
-rw-r--r--src/auditor/taler-auditor-httpd_exchanges.h46
4 files changed, 202 insertions, 0 deletions
diff --git a/src/auditor/Makefile.am b/src/auditor/Makefile.am
index 10873e80b..e98ffefb6 100644
--- a/src/auditor/Makefile.am
+++ b/src/auditor/Makefile.am
@@ -50,6 +50,7 @@ taler_auditor_httpd_SOURCES = \
taler-auditor-httpd.c taler-auditor-httpd.h \
taler-auditor-httpd_db.c taler-auditor-httpd_db.h \
taler-auditor-httpd_deposit-confirmation.c taler-auditor-httpd_deposit-confirmation.h \
+ taler-auditor-httpd_exchanges.c taler-auditor-httpd_exchanges.h \
taler-auditor-httpd_mhd.c taler-auditor-httpd_mhd.h \
taler-auditor-httpd_parsing.c taler-auditor-httpd_parsing.h \
taler-auditor-httpd_responses.c taler-auditor-httpd_responses.h
diff --git a/src/auditor/taler-auditor-httpd.c b/src/auditor/taler-auditor-httpd.c
index 923f69005..221eac01d 100644
--- a/src/auditor/taler-auditor-httpd.c
+++ b/src/auditor/taler-auditor-httpd.c
@@ -29,6 +29,7 @@
#include <sys/resource.h>
#include "taler_auditordb_lib.h"
#include "taler-auditor-httpd_deposit-confirmation.h"
+#include "taler-auditor-httpd_exchanges.h"
#include "taler-auditor-httpd_parsing.h"
#include "taler-auditor-httpd_mhd.h"
#include "taler-auditor-httpd.h"
@@ -302,6 +303,9 @@ handle_mhd_request (void *cls,
{ "/deposit-confirmation", MHD_HTTP_METHOD_PUT, "text/plain",
NULL, 0,
&TAH_DEPOSIT_CONFIRMATION_handler, MHD_HTTP_OK },
+ { "/exchanges", MHD_HTTP_METHOD_GET, "text/plain",
+ NULL, 0,
+ &TAH_EXCHANGES_handler, MHD_HTTP_OK },
/* Landing page, for now tells humans to go away (FIXME: replace
with auditor's welcome page!) */
diff --git a/src/auditor/taler-auditor-httpd_exchanges.c b/src/auditor/taler-auditor-httpd_exchanges.c
new file mode 100644
index 000000000..866e4c7be
--- /dev/null
+++ b/src/auditor/taler-auditor-httpd_exchanges.c
@@ -0,0 +1,151 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2014-2018 Inria and GNUnet e.V.
+
+ 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-auditor-httpd_exchanges.c
+ * @brief Handle /exchanges requests; returns list of exchanges we audit
+ * @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-auditor-httpd.h"
+#include "taler-auditor-httpd_db.h"
+#include "taler-auditor-httpd_exchanges.h"
+#include "taler-auditor-httpd_parsing.h"
+#include "taler-auditor-httpd_responses.h"
+
+
+/**
+ * Send confirmation of deposit-confirmation success to client.
+ *
+ * @param connection connection to the client
+ * @param ja array with information about exchanges
+ * @return MHD result code
+ */
+static int
+reply_exchanges_success (struct MHD_Connection *connection,
+ json_t *ja)
+{
+ return TAH_RESPONSE_reply_json_pack (connection,
+ MHD_HTTP_OK,
+ "{s:o}",
+ "exchanges", ja);
+}
+
+
+/**
+ * Add exchange information to the list.
+ *
+ * @param[in,out] cls a `json_t *` array to extend
+ * @param master_pub master public key of an exchange
+ * @param exchange_url base URL of an exchange
+ */
+static void
+add_exchange (void *cls,
+ const struct TALER_MasterPublicKeyP *master_pub,
+ const char *exchange_url)
+{
+ json_t *list = cls;
+ json_t *obj;
+
+ obj = json_pack ("{s:o, s:s}",
+ "master_pub",
+ GNUNET_JSON_from_data_auto (master_pub),
+ "exchange_url",
+ exchange_url);
+ GNUNET_assert (NULL != obj);
+ GNUNET_assert (0 ==
+ json_array_append_new (list,
+ obj));
+
+}
+
+
+/**
+ * Execute database transaction for /exchanges. Obtains the list. IF
+ * it returns a non-error code, the transaction logic MUST NOT queue a
+ * MHD response. IF it returns an hard error, the transaction logic
+ * MUST queue a MHD response and set @a mhd_ret. IF it returns the
+ * soft error code, the function MAY be called again to retry and MUST
+ * not queue a MHD response.
+ *
+ * @param cls[in,out] a `json_t *` with an array of exchanges to be created
+ * @param connection MHD request context
+ * @param session database session and transaction to use
+ * @param[out] mhd_ret set to MHD status on error
+ * @return transaction status
+ */
+static enum GNUNET_DB_QueryStatus
+list_exchanges (void *cls,
+ struct MHD_Connection *connection,
+ struct TALER_AUDITORDB_Session *session,
+ int *mhd_ret)
+{
+ json_t *list = cls;
+ enum GNUNET_DB_QueryStatus qs;
+
+ qs = TAH_plugin->list_exchanges (TAH_plugin->cls,
+ session,
+ &add_exchange,
+ list);
+ if (GNUNET_DB_STATUS_HARD_ERROR == qs)
+ {
+ TALER_LOG_WARNING ("Failed to handle /exchanges in database\n");
+ *mhd_ret = TAH_RESPONSE_reply_internal_db_error (connection,
+ TALER_EC_LIST_EXCHANGES_DB_ERROR);
+ }
+ return qs;
+}
+
+
+/**
+ * Handle a "/exchanges" request.
+ *
+ * @param rh context of the handler
+ * @param connection the MHD connection to handle
+ * @param[in,out] connection_cls the connection's closure (can be updated)
+ * @param upload_data upload data
+ * @param[in,out] upload_data_size number of bytes (left) in @a upload_data
+ * @return MHD result code
+ */
+int
+TAH_EXCHANGES_handler (struct TAH_RequestHandler *rh,
+ struct MHD_Connection *connection,
+ void **connection_cls,
+ const char *upload_data,
+ size_t *upload_data_size)
+{
+ int mhd_ret;
+ json_t *ja;
+
+ ja = json_array ();
+ if (GNUNET_OK !=
+ TAH_DB_run_transaction (connection,
+ "list exchanges",
+ &mhd_ret,
+ &list_exchanges,
+ (void *) ja))
+ return mhd_ret;
+ return reply_exchanges_success (connection,
+ ja);
+}
+
+
+/* end of taler-auditor-httpd_deposit-confirmation.c */
diff --git a/src/auditor/taler-auditor-httpd_exchanges.h b/src/auditor/taler-auditor-httpd_exchanges.h
new file mode 100644
index 000000000..0de54677c
--- /dev/null
+++ b/src/auditor/taler-auditor-httpd_exchanges.h
@@ -0,0 +1,46 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2018 GNUnet e.V.
+
+ 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-auditor-httpd_exchanges.h
+ * @brief Handle /exchanges requests
+ * @author Christian Grothoff
+ */
+#ifndef TALER_AUDITOR_HTTPD_EXCHANGES_H
+#define TALER_AUDITOR_HTTPD_EXCHANGES_H
+
+#include <gnunet/gnunet_util_lib.h>
+#include <microhttpd.h>
+#include "taler-auditor-httpd.h"
+
+
+/**
+ * Handle a "/exchanges" request.
+ *
+ * @param rh context of the handler
+ * @param connection the MHD connection to handle
+ * @param[in,out] connection_cls the connection's closure (can be updated)
+ * @param upload_data upload data
+ * @param[in,out] upload_data_size number of bytes (left) in @a upload_data
+ * @return MHD result code
+ */
+int
+TAH_EXCHANGES_handler (struct TAH_RequestHandler *rh,
+ struct MHD_Connection *connection,
+ void **connection_cls,
+ const char *upload_data,
+ size_t *upload_data_size);
+
+#endif
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