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/**
* Copyright (c) 2012-2014 Piotr Sipika; see the AUTHORS file for more.
* Copyright (c) 2019 Andriy Grytsenko <andrej@rep.kiev.ua>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* See the COPYRIGHT file for more information.
*/
/* Provides http protocol utility functions */
#include "httputil.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct wdata_t {
char *buff;
size_t alloc;
};
static size_t write_data(void *buffer, size_t size, size_t nmemb, void *userp)
{
struct wdata_t *data = userp;
size_t todo = size * nmemb;
size_t new_alloc = data->alloc + todo;
if (todo == 0)
return 0;
data->buff = realloc(data->buff, new_alloc + 1);
if (data->buff == NULL)
return 0; /* is that correct? */
memcpy(&data->buff[data->alloc], buffer, todo);
data->alloc = new_alloc;
return todo;
}
/**
* Returns the contents of the requested URL
*
* @param pczURL The URL to retrieve.
* @param piRetCode The return code supplied with the response.
* @param piDataSize The resulting data length [out].
*
* @return A pointer to a null-terminated buffer containing the textual
* representation of the response. Must be freed by the caller.
*/
CURLcode
getURL(const gchar * pczURL, gchar ** pcData, gint * piDataSize, const gchar ** pccHeaders)
{
struct curl_slist *headers=NULL;
CURL *curl;
CURLcode res;
struct wdata_t data = { NULL, 0 };
if (!pczURL)
return CURLE_URL_MALFORMAT;
if (pccHeaders)
{
while (*pccHeaders)
headers = curl_slist_append(headers, *pccHeaders++);
}
curl_global_init(CURL_GLOBAL_SSL);
curl = curl_easy_init();
curl_easy_setopt(curl, CURLOPT_URL, pczURL);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &data);
res = curl_easy_perform(curl);
if (data.buff)
data.buff[data.alloc] = '\0';
if (pcData)
*pcData = data.buff;
else
g_free(data.buff);
if (piDataSize)
*piDataSize = data.alloc;
//if (res != CURLE_OK)
//fprintf(stderr, "curl_easy_perform() failed: %s\n",
//curl_easy_strerror(res));
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
return res;
}
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