miniflux-legacy/vendor/PicoFeed/Clients/Curl.php

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PHP
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2013-07-17 01:54:44 +02:00
<?php
namespace PicoFeed\Clients;
use \PicoFeed\Logging;
class Curl extends \PicoFeed\Client
{
private $body = '';
private $body_length = 0;
private $headers = array();
private $headers_counter = 0;
public function readBody($ch, $buffer)
{
$length = strlen($buffer);
$this->body_length += $length;
if ($this->body_length > $this->max_body_size) return -1;
$this->body .= $buffer;
return $length;
}
public function readHeaders($ch, $buffer)
{
$length = strlen($buffer);
if ($buffer === "\r\n") {
$this->headers_counter++;
}
else {
if (! isset($this->headers[$this->headers_counter])) {
$this->headers[$this->headers_counter] = '';
}
$this->headers[$this->headers_counter] .= $buffer;
}
return $length;
}
public function doRequest()
{
$request_headers = array('Connection: close');
if ($this->etag) $request_headers[] = 'If-None-Match: '.$this->etag;
if ($this->last_modified) $request_headers[] = 'If-Modified-Since: '.$this->last_modified;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $this->url);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $this->timeout);
curl_setopt($ch, CURLOPT_TIMEOUT, $this->timeout);
curl_setopt($ch, CURLOPT_USERAGENT, $this->user_agent);
curl_setopt($ch, CURLOPT_HTTPHEADER, $request_headers);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_MAXREDIRS, $this->max_redirects);
curl_setopt($ch, CURLOPT_ENCODING, '');
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // For auto-signed certificates...
curl_setopt($ch, CURLOPT_WRITEFUNCTION, array($this, 'readBody'));
curl_setopt($ch, CURLOPT_HEADERFUNCTION, array($this, 'readHeaders'));
curl_exec($ch);
Logging::log('cURL total time: '.curl_getinfo($ch, CURLINFO_TOTAL_TIME));
Logging::log('cURL dns lookup time: '.curl_getinfo($ch, CURLINFO_NAMELOOKUP_TIME));
Logging::log('cURL connect time: '.curl_getinfo($ch, CURLINFO_CONNECT_TIME));
Logging::log('cURL speed download: '.curl_getinfo($ch, CURLINFO_SPEED_DOWNLOAD));
if (curl_errno($ch)) {
Logging::log('cURL error: '.curl_error($ch));
curl_close($ch);
return false;
}
curl_close($ch);
list($status, $headers) = $this->parseHeaders(explode("\r\n", $this->headers[$this->headers_counter - 1]));
return array(
'status' => $status,
'body' => $this->body,
'headers' => $headers
);
}
}