121 lines
3.8 KiB
PHP
121 lines
3.8 KiB
PHP
<?php
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namespace PicoFeed\Clients;
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use \PicoFeed\Logging;
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class Curl extends \PicoFeed\Client
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{
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private $body = '';
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private $body_length = 0;
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private $headers = array();
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private $headers_counter = 0;
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public function readBody($ch, $buffer)
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{
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$length = strlen($buffer);
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$this->body_length += $length;
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if ($this->body_length > $this->max_body_size) return -1;
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$this->body .= $buffer;
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return $length;
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}
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public function readHeaders($ch, $buffer)
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{
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$length = strlen($buffer);
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if ($buffer === "\r\n") {
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$this->headers_counter++;
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}
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else {
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if (! isset($this->headers[$this->headers_counter])) {
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$this->headers[$this->headers_counter] = '';
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}
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$this->headers[$this->headers_counter] .= $buffer;
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}
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return $length;
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}
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public function doRequest($follow_location = true)
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{
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$request_headers = array('Connection: close');
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if ($this->etag) $request_headers[] = 'If-None-Match: '.$this->etag;
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if ($this->last_modified) $request_headers[] = 'If-Modified-Since: '.$this->last_modified;
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $this->url);
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $this->timeout);
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curl_setopt($ch, CURLOPT_TIMEOUT, $this->timeout);
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curl_setopt($ch, CURLOPT_USERAGENT, $this->user_agent);
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curl_setopt($ch, CURLOPT_HTTPHEADER, $request_headers);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, ini_get('open_basedir') === '');
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curl_setopt($ch, CURLOPT_MAXREDIRS, $this->max_redirects);
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curl_setopt($ch, CURLOPT_ENCODING, '');
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // For auto-signed certificates...
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curl_setopt($ch, CURLOPT_WRITEFUNCTION, array($this, 'readBody'));
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curl_setopt($ch, CURLOPT_HEADERFUNCTION, array($this, 'readHeaders'));
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curl_exec($ch);
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Logging::log(\get_called_class().' cURL total time: '.curl_getinfo($ch, CURLINFO_TOTAL_TIME));
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Logging::log(\get_called_class().' cURL dns lookup time: '.curl_getinfo($ch, CURLINFO_NAMELOOKUP_TIME));
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Logging::log(\get_called_class().' cURL connect time: '.curl_getinfo($ch, CURLINFO_CONNECT_TIME));
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Logging::log(\get_called_class().' cURL speed download: '.curl_getinfo($ch, CURLINFO_SPEED_DOWNLOAD));
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if (curl_errno($ch)) {
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Logging::log(\get_called_class().' cURL error: '.curl_error($ch));
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curl_close($ch);
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return false;
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}
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curl_close($ch);
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list($status, $headers) = $this->parseHeaders(explode("\r\n", $this->headers[$this->headers_counter - 1]));
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if ($follow_location && ini_get('open_basedir') !== '' && ($status == 301 || $status == 302)) {
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$nb_redirects = 0;
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$this->url = $headers['Location'];
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$this->body = '';
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$this->body_length = 0;
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$this->headers = array();
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$this->headers_counter = 0;
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while (true) {
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$nb_redirects++;
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if ($nb_redirects >= $this->max_redirects) return false;
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$result = $this->doRequest(false);
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if ($result['status'] == 301 || $result['status'] == 302) {
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$this->url = $result['headers']['Location'];
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$this->body = '';
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$this->body_length = 0;
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$this->headers = array();
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$this->headers_counter = 0;
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}
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else {
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return $result;
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}
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}
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}
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return array(
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'status' => $status,
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'body' => $this->body,
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'headers' => $headers
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);
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}
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} |