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/*
This file is part of GNUnet
Copyright (C) 2010-2015 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet 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.
*/
/**
* @file rest/rest.c
* @brief helper library to create JSON REST Objects and handle REST
* responses/requests.
* @author Martin Schanzenbach
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_rest_lib.h"
#include "microhttpd.h"
/**
* REST Utilities
*/
/**
* Check if namespace is in URL.
*
* @param url URL to check
* @param namespace namespace to check against
* @retun GNUNET_YES if namespace matches
*/
int
GNUNET_REST_namespace_match (const char *url, const char *namespace)
{
return 0 == strncmp (namespace, url, strlen (namespace));
}
/**
* Create MHD response
*
* @param data result
* @retun MHD response
*/
struct MHD_Response*
GNUNET_REST_create_response (const char *data)
{
struct MHD_Response *resp;
size_t len;
if (NULL == data)
{
len = 0;
data = "";
}
else
len = strlen (data);
resp = MHD_create_response_from_buffer (len,
(void*)data,
MHD_RESPMEM_MUST_COPY);
return resp;
}
int
GNUNET_REST_handle_request (struct GNUNET_REST_RequestHandle *conn,
const struct GNUNET_REST_RequestHandler *handlers,
struct GNUNET_REST_RequestHandlerError *err,
void *cls)
{
int count;
int i;
char *url;
count = 0;
while (NULL != handlers[count].method)
count++;
GNUNET_asprintf (&url, "%s", conn->url);
if (url[strlen (url)-1] == '/')
url[strlen (url)-1] = '\0';
for (i = 0; i < count; i++)
{
if (0 != strcasecmp (conn->method, handlers[i].method))
continue;
if (strlen (url) < strlen (handlers[i].namespace))
continue;
if (GNUNET_NO == GNUNET_REST_namespace_match (url, handlers[i].namespace))
continue;
//Match
handlers[i].proc (conn, (const char*)url, cls);
GNUNET_free (url);
return GNUNET_YES;
}
GNUNET_free (url);
err->error_code = MHD_HTTP_BAD_REQUEST;
return GNUNET_NO;
}
/* end of rest.c */
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