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/*
This file is part of TALER
Copyright (C) 2014 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_mhd.c
* @brief helpers for MHD interaction; these are TALER_AUDITOR_handler_ functions
* that generate simple MHD replies that do not require any real operations
* to be performed (error handling, static pages, etc.)
* @author Florian Dold
* @author Benedikt Mueller
* @author Christian Grothoff
*/
#include "platform.h"
#include <gnunet/gnunet_util_lib.h>
#include <jansson.h>
#include <microhttpd.h>
#include <pthread.h>
#include "taler-auditor-httpd_responses.h"
#include "taler-auditor-httpd.h"
#include "taler-auditor-httpd_mhd.h"
/**
* Function to call to handle the request by sending
* back static data from the @a rh.
*
* @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_MHD_handler_static_response (struct TAH_RequestHandler *rh,
struct MHD_Connection *connection,
void **connection_cls,
const char *upload_data,
size_t *upload_data_size)
{
struct MHD_Response *response;
int ret;
if (0 == rh->data_size)
rh->data_size = strlen ((const char *) rh->data);
response = MHD_create_response_from_buffer (rh->data_size,
(void *) rh->data,
MHD_RESPMEM_PERSISTENT);
if (NULL == response)
{
GNUNET_break (0);
return MHD_NO;
}
TAH_RESPONSE_add_global_headers (response);
if (NULL != rh->mime_type)
(void) MHD_add_response_header (response,
MHD_HTTP_HEADER_CONTENT_TYPE,
rh->mime_type);
ret = MHD_queue_response (connection,
rh->response_code,
response);
MHD_destroy_response (response);
return ret;
}
/**
* Function to call to handle the request by sending
* back a redirect to the AGPL source code.
*
* @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_MHD_handler_agpl_redirect (struct TAH_RequestHandler *rh,
struct MHD_Connection *connection,
void **connection_cls,
const char *upload_data,
size_t *upload_data_size)
{
const char *agpl =
"This server is licensed under the Affero GPL. You will now be redirected to the source code.";
struct MHD_Response *response;
int ret;
response = MHD_create_response_from_buffer (strlen (agpl),
(void *) agpl,
MHD_RESPMEM_PERSISTENT);
if (NULL == response)
{
GNUNET_break (0);
return MHD_NO;
}
TAH_RESPONSE_add_global_headers (response);
if (NULL != rh->mime_type)
(void) MHD_add_response_header (response,
MHD_HTTP_HEADER_CONTENT_TYPE,
rh->mime_type);
if (MHD_NO ==
MHD_add_response_header (response,
MHD_HTTP_HEADER_LOCATION,
"http://www.git.taler.net/?p=auditor.git"))
{
GNUNET_break (0);
MHD_destroy_response (response);
return MHD_NO;
}
ret = MHD_queue_response (connection,
rh->response_code,
response);
MHD_destroy_response (response);
return ret;
}
/**
* Function to call to handle the request by building a JSON
* reply with an error message from @a rh.
*
* @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_MHD_handler_send_json_pack_error (struct TAH_RequestHandler *rh,
struct MHD_Connection *connection,
void **connection_cls,
const char *upload_data,
size_t *upload_data_size)
{
return TAH_RESPONSE_reply_json_pack (connection,
rh->response_code,
"{s:s}",
"error",
rh->data);
}
/* end of taler-auditor-httpd_mhd.c */
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