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<?php |
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/** |
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* Rss/Atom Bundle for Symfony. |
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* |
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* |
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* @license http://opensource.org/licenses/lgpl-3.0.html LGPL |
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* @copyright (c) 2013, Alexandre Debril |
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*/ |
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namespace Debril\RssAtomBundle\Driver; |
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use Debril\RssAtomBundle\Exception\DriverUnreachableResourceException; |
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/** |
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* Class HttpCurlDriver. |
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*/ |
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class HttpCurlDriver implements HttpDriverInterface |
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{ |
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/** |
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* Configuration options |
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* @var array |
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*/ |
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private $options; |
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/** |
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* Constructor for passing config options |
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* @param array $options |
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*/ |
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public function __construct($options = array()) { |
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$this->options = $options; |
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$defaults = array('timeout' => 10, |
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'useragent' => 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 GTB5', |
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'maxredirs' => 5); |
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foreach ( $defaults as $key => $value ) { |
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if ( !isset( $this->options[$key]) ) { |
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$this->options[$key] = $value; |
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} |
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} |
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} |
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/** |
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* @param string $url |
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* @param \DateTime $lastModified |
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* |
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* @return \Debril\RssAtomBundle\Driver\HttpDriverResponse |
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* |
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* @throws DriverUnreachableResourceException |
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*/ |
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public function getResponse($url, \DateTime $lastModified) |
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{ |
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$curl = curl_init($url); |
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); |
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curl_setopt($curl, CURLOPT_HEADER, true); |
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curl_setopt($curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE); |
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curl_setopt($curl, CURLOPT_USERAGENT, $this->options['useragent']); |
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curl_setopt($curl, CURLOPT_TIMEVALUE, $lastModified->getTimestamp()); |
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curl_setopt($curl, CURLOPT_TIMEOUT, $this->options['timeout']); |
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curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); |
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curl_setopt($curl, CURLOPT_MAXREDIRS, $this->options['maxredirs']); |
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$curlReturn = curl_exec($curl); |
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if (!$curlReturn) { |
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$err = curl_error($curl); |
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throw new DriverUnreachableResourceException("Error accessing {$url} : {$err}"); |
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} |
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$headerSize = curl_getinfo($curl, CURLINFO_HEADER_SIZE); |
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curl_close($curl); |
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return $this->getHttpResponse( |
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substr($curlReturn, 0, $headerSize), |
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substr($curlReturn, $headerSize) |
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); |
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} |
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/** |
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* @param string $headerString |
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* @param string $body |
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* |
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* @return \Debril\RssAtomBundle\Driver\HttpDriverResponse |
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*/ |
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public function getHttpResponse($headerString, $body) |
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{ |
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$headers = array(); |
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preg_match('/(?<version>\S+) (?P<code>\d+) (?P<message>\V+)/', $headerString, $headers); |
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$response = new HttpDriverResponse(); |
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$response->setBody($body); |
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$response->setHttpCode($headers['code']); |
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$response->setHttpMessage($headers['message']); |
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$response->setHttpVersion($headers['version']); |
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$response->setHeaders($headerString); |
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return $response; |
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} |
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} |
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alexdebril /
rss-atom-bundle
