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/*
* tinyurl.c
*
* Copyright (C) 2012 - 2014 James Booth <boothj5@gmail.com>
*
* This file is part of Profanity.
*
* Profanity 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.
*
* Profanity 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 Profanity. If not, see <http://www.gnu.org/licenses/>.
*
* In addition, as a special exception, the copyright holders give permission to
* link the code of portions of this program with the OpenSSL library under
* certain conditions as described in each individual source file, and
* distribute linked combinations including the two.
*
* You must obey the GNU General Public License in all respects for all of the
* code used other than OpenSSL. If you modify file(s) with this exception, you
* may extend this exception to your version of the file(s), but you are not
* obligated to do so. If you do not wish to do so, delete this exception
* statement from your version. If you delete this exception statement from all
* source files in the program, then also delete it here.
*
*/
#include <stdlib.h>
#include <string.h>
#include <curl/curl.h>
#include <curl/easy.h>
#include <glib.h>
struct curl_data_t
{
char *buffer;
size_t size;
};
static size_t _data_callback(void *ptr, size_t size, size_t nmemb, void *data);
gboolean
tinyurl_valid(char *url)
{
return (g_str_has_prefix(url, "http://") ||
g_str_has_prefix(url, "https://"));
}
char *
tinyurl_get(char *url)
{
GString *full_url = g_string_new("http://tinyurl.com/api-create.php?url=");
g_string_append(full_url, url);
CURL *handle = curl_easy_init();
struct curl_data_t output;
output.buffer = NULL;
output.size = 0;
curl_easy_setopt(handle, CURLOPT_URL, full_url->str);
curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, _data_callback);
curl_easy_setopt(handle, CURLOPT_WRITEDATA, (void *)&output);
curl_easy_perform(handle);
curl_easy_cleanup(handle);
g_string_free(full_url, TRUE);
if (output.buffer != NULL) {
output.buffer[output.size++] = '\0';
return output.buffer;
} else {
return NULL;
}
}
static size_t
_data_callback(void *ptr, size_t size, size_t nmemb, void *data)
{
size_t realsize = size * nmemb;
struct curl_data_t *mem = (struct curl_data_t *) data;
mem->buffer = realloc(mem->buffer, mem->size + realsize + 1);
if ( mem->buffer )
{
memcpy( &( mem->buffer[ mem->size ] ), ptr, realsize );
mem->size += realsize;
mem->buffer[ mem->size ] = 0;
}
return realsize;
}
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