forked from GNUsocial/gnu-social
161 lines
4.4 KiB
PHP
161 lines
4.4 KiB
PHP
n<?php
|
|
/**
|
|
* Laconica, the distributed open-source microblogging tool
|
|
*
|
|
* Utility class for wrapping Curl
|
|
*
|
|
* PHP version 5
|
|
*
|
|
* LICENCE: This program 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 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 Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* @category HTTP
|
|
* @package Laconica
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @copyright 2009 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://laconi.ca/
|
|
*/
|
|
|
|
if (!defined('STATUSNET')) {
|
|
exit(1);
|
|
}
|
|
|
|
define(CURLCLIENT_VERSION, "0.1");
|
|
|
|
/**
|
|
* Wrapper for Curl
|
|
*
|
|
* Makes Curl HTTP client calls within our HTTPClient framework
|
|
*
|
|
* @category HTTP
|
|
* @package Laconica
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://laconi.ca/
|
|
*/
|
|
|
|
class CurlClient extends HTTPClient
|
|
{
|
|
function __construct()
|
|
{
|
|
}
|
|
|
|
function head($url, $headers=null)
|
|
{
|
|
$ch = curl_init($url);
|
|
|
|
$this->setup($ch);
|
|
|
|
curl_setopt_array($ch,
|
|
array(CURLOPT_NOBODY => true));
|
|
|
|
if (!is_null($headers)) {
|
|
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
|
|
}
|
|
|
|
$result = curl_exec($ch);
|
|
|
|
curl_close($ch);
|
|
|
|
return $this->parseResults($result);
|
|
}
|
|
|
|
function get($url, $headers=null)
|
|
{
|
|
$ch = curl_init($url);
|
|
|
|
$this->setup($ch);
|
|
|
|
if (!is_null($headers)) {
|
|
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
|
|
}
|
|
|
|
$result = curl_exec($ch);
|
|
|
|
curl_close($ch);
|
|
|
|
return $this->parseResults($result);
|
|
}
|
|
|
|
function post($url, $headers=null)
|
|
{
|
|
}
|
|
|
|
function setup($ch)
|
|
{
|
|
curl_setopt_array($ch,
|
|
array(CURLOPT_USERAGENT => $this->userAgent(),
|
|
CURLOPT_HEADER => true,
|
|
CURLOPT_RETURNTRANSFER => true));
|
|
}
|
|
|
|
function userAgent()
|
|
{
|
|
$version = curl_version();
|
|
return parent::userAgent() . " CurlClient/".CURLCLIENT_VERSION . " cURL/" . $version['version'];
|
|
}
|
|
|
|
function parseResults($results)
|
|
{
|
|
$resp = new HTTPResponse();
|
|
|
|
$lines = explode("\r\n", $results);
|
|
|
|
if (preg_match("#^HTTP/1.[01] (\d\d\d) .+$#", $lines[0], $match)) {
|
|
$resp->code = $match[1];
|
|
} else {
|
|
throw Exception("Bad format: initial line is not HTTP status line");
|
|
}
|
|
|
|
$lastk = null;
|
|
|
|
for ($i = 1; $i < count($lines); $i++) {
|
|
$l =& $lines[$i];
|
|
if (mb_strlen($l) == 0) {
|
|
$resp->body = implode("\r\n", array_slice($lines, $i + 1));
|
|
break;
|
|
}
|
|
if (preg_match("#^(\S+):\s+(.*)$#", $l, $match)) {
|
|
$k = $match[1];
|
|
$v = $match[2];
|
|
|
|
if (array_key_exists($k, $resp->headers)) {
|
|
if (is_array($resp->headers[$k])) {
|
|
$resp->headers[$k][] = $v;
|
|
} else {
|
|
$resp->headers[$k] = array($resp->headers[$k], $v);
|
|
}
|
|
} else {
|
|
$resp->headers[$k] = $v;
|
|
}
|
|
$lastk = $k;
|
|
} else if (preg_match("#^\s+(.*)$#", $l, $match)) {
|
|
// continuation line
|
|
if (is_null($lastk)) {
|
|
throw Exception("Bad format: initial whitespace in headers");
|
|
}
|
|
$h =& $resp->headers[$lastk];
|
|
if (is_array($h)) {
|
|
$n = count($h);
|
|
$h[$n-1] .= $match[1];
|
|
} else {
|
|
$h .= $match[1];
|
|
}
|
|
}
|
|
}
|
|
|
|
return $resp;
|
|
}
|
|
}
|