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authorChristian Grothoff <christian@grothoff.org>2021-08-06 09:19:36 +0200
committerChristian Grothoff <christian@grothoff.org>2021-08-06 09:19:36 +0200
commitde6c30b0e03e4921c207a03c7e4e2193331a6d94 (patch)
treeab884f6e531e1c2093e5fd4c104cdd2660160022 /src/exchange/taler-exchange-httpd_management_wire.c
parent13dea1fac66ded8734d921c3702a965ab6c2788e (diff)
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-rename for clarity
Diffstat (limited to 'src/exchange/taler-exchange-httpd_management_wire.c')
-rw-r--r--src/exchange/taler-exchange-httpd_management_wire.c236
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diff --git a/src/exchange/taler-exchange-httpd_management_wire.c b/src/exchange/taler-exchange-httpd_management_wire.c
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--- a/src/exchange/taler-exchange-httpd_management_wire.c
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@@ -1,236 +0,0 @@
-/*
- This file is part of TALER
- Copyright (C) 2020 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_management_wire.c
- * @brief Handle request to add wire account.
- * @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_management.h"
-#include "taler-exchange-httpd_responses.h"
-#include "taler-exchange-httpd_wire.h"
-
-
-/**
- * Closure for the #add_wire transaction.
- */
-struct AddWireContext
-{
- /**
- * Master signature affirming the WIRE ADD operation
- * (includes timestamp).
- */
- struct TALER_MasterSignatureP master_sig_add;
-
- /**
- * Master signature to share with clients affirming the
- * wire details of the bank.
- */
- struct TALER_MasterSignatureP master_sig_wire;
-
- /**
- * Payto:// URI this is about.
- */
- const char *payto_uri;
-
- /**
- * Timestamp for checking against replay attacks.
- */
- struct GNUNET_TIME_Absolute validity_start;
-
-};
-
-
-/**
- * Function implementing database transaction to add an wire. Runs the
- * transaction logic; 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 closure with a `struct AddWireContext`
- * @param connection MHD request which triggered the transaction
- * @param session database session to use
- * @param[out] mhd_ret set to MHD response status for @a connection,
- * if transaction failed (!)
- * @return transaction status
- */
-static enum GNUNET_DB_QueryStatus
-add_wire (void *cls,
- struct MHD_Connection *connection,
- struct TALER_EXCHANGEDB_Session *session,
- MHD_RESULT *mhd_ret)
-{
- struct AddWireContext *awc = cls;
- struct GNUNET_TIME_Absolute last_date;
- enum GNUNET_DB_QueryStatus qs;
-
- qs = TEH_plugin->lookup_wire_timestamp (TEH_plugin->cls,
- session,
- awc->payto_uri,
- &last_date);
- if (qs < 0)
- {
- if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
- return qs;
- GNUNET_break (0);
- *mhd_ret = TALER_MHD_reply_with_error (connection,
- MHD_HTTP_INTERNAL_SERVER_ERROR,
- TALER_EC_GENERIC_DB_FETCH_FAILED,
- "lookup wire");
- return qs;
- }
- if ( (0 < qs) &&
- (last_date.abs_value_us > awc->validity_start.abs_value_us) )
- {
- *mhd_ret = TALER_MHD_reply_with_error (
- connection,
- MHD_HTTP_CONFLICT,
- TALER_EC_EXCHANGE_MANAGEMENT_WIRE_MORE_RECENT_PRESENT,
- NULL);
- return GNUNET_DB_STATUS_HARD_ERROR;
- }
- if (0 == qs)
- qs = TEH_plugin->insert_wire (TEH_plugin->cls,
- session,
- awc->payto_uri,
- awc->validity_start,
- &awc->master_sig_wire);
- else
- qs = TEH_plugin->update_wire (TEH_plugin->cls,
- session,
- awc->payto_uri,
- awc->validity_start,
- true);
- if (qs < 0)
- {
- GNUNET_break (0);
- if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
- return qs;
- *mhd_ret = TALER_MHD_reply_with_error (connection,
- MHD_HTTP_INTERNAL_SERVER_ERROR,
- TALER_EC_GENERIC_DB_STORE_FAILED,
- "add wire");
- return qs;
- }
- return qs;
-}
-
-
-MHD_RESULT
-TEH_handler_management_denominations_wire (
- struct MHD_Connection *connection,
- const json_t *root)
-{
- struct AddWireContext awc;
- struct GNUNET_JSON_Specification spec[] = {
- GNUNET_JSON_spec_fixed_auto ("master_sig_wire",
- &awc.master_sig_wire),
- GNUNET_JSON_spec_fixed_auto ("master_sig_add",
- &awc.master_sig_add),
- GNUNET_JSON_spec_string ("payto_uri",
- &awc.payto_uri),
- TALER_JSON_spec_absolute_time ("validity_start",
- &awc.validity_start),
- 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 */
- }
- if (GNUNET_OK !=
- TALER_exchange_offline_wire_add_verify (awc.payto_uri,
- awc.validity_start,
- &TEH_master_public_key,
- &awc.master_sig_add))
- {
- GNUNET_break_op (0);
- return TALER_MHD_reply_with_error (
- connection,
- MHD_HTTP_FORBIDDEN,
- TALER_EC_EXCHANGE_MANAGEMENT_WIRE_ADD_SIGNATURE_INVALID,
- NULL);
- }
- if (GNUNET_OK !=
- TALER_exchange_wire_signature_check (awc.payto_uri,
- &TEH_master_public_key,
- &awc.master_sig_wire))
- {
- GNUNET_break_op (0);
- return TALER_MHD_reply_with_error (
- connection,
- MHD_HTTP_FORBIDDEN,
- TALER_EC_EXCHANGE_MANAGEMENT_WIRE_DETAILS_SIGNATURE_INVALID,
- NULL);
- }
- {
- char *wire_method;
-
- wire_method = TALER_payto_get_method (awc.payto_uri);
- if (NULL == wire_method)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "payto:// URI `%s' is malformed\n",
- awc.payto_uri);
- return TALER_MHD_reply_with_error (
- connection,
- MHD_HTTP_BAD_REQUEST,
- TALER_EC_GENERIC_PARAMETER_MALFORMED,
- "payto_uri");
- }
- GNUNET_free (wire_method);
- }
-
- {
- enum GNUNET_GenericReturnValue res;
- MHD_RESULT ret;
-
- res = TEH_DB_run_transaction (connection,
- "add wire",
- &ret,
- &add_wire,
- &awc);
- if (GNUNET_SYSERR == res)
- return ret;
- }
- TEH_wire_update_state ();
- return TALER_MHD_reply_static (
- connection,
- MHD_HTTP_NO_CONTENT,
- NULL,
- NULL,
- 0);
-}
-
-
-/* end of taler-exchange-httpd_management_wire.c */