Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\BrowserKit;
Chris@0: 
Chris@0: use Symfony\Component\DomCrawler\Crawler;
Chris@17: use Symfony\Component\DomCrawler\Form;
Chris@0: use Symfony\Component\DomCrawler\Link;
Chris@0: use Symfony\Component\Process\PhpProcess;
Chris@0: 
Chris@0: /**
Chris@0:  * Client simulates a browser.
Chris@0:  *
Chris@0:  * To make the actual request, you need to implement the doRequest() method.
Chris@0:  *
Chris@0:  * If you want to be able to run requests in their own process (insulated flag),
Chris@0:  * you need to also implement the getScript() method.
Chris@0:  *
Chris@0:  * @author Fabien Potencier <fabien@symfony.com>
Chris@0:  */
Chris@0: abstract class Client
Chris@0: {
Chris@0:     protected $history;
Chris@0:     protected $cookieJar;
Chris@17:     protected $server = [];
Chris@0:     protected $internalRequest;
Chris@0:     protected $request;
Chris@0:     protected $internalResponse;
Chris@0:     protected $response;
Chris@0:     protected $crawler;
Chris@0:     protected $insulated = false;
Chris@0:     protected $redirect;
Chris@0:     protected $followRedirects = true;
Chris@0: 
Chris@0:     private $maxRedirects = -1;
Chris@0:     private $redirectCount = 0;
Chris@17:     private $redirects = [];
Chris@0:     private $isMainRequest = true;
Chris@0: 
Chris@0:     /**
Chris@0:      * @param array     $server    The server parameters (equivalent of $_SERVER)
Chris@0:      * @param History   $history   A History instance to store the browser history
Chris@0:      * @param CookieJar $cookieJar A CookieJar instance to store the cookies
Chris@0:      */
Chris@17:     public function __construct(array $server = [], History $history = null, CookieJar $cookieJar = null)
Chris@0:     {
Chris@0:         $this->setServerParameters($server);
Chris@0:         $this->history = $history ?: new History();
Chris@0:         $this->cookieJar = $cookieJar ?: new CookieJar();
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets whether to automatically follow redirects or not.
Chris@0:      *
Chris@0:      * @param bool $followRedirect Whether to follow redirects
Chris@0:      */
Chris@0:     public function followRedirects($followRedirect = true)
Chris@0:     {
Chris@0:         $this->followRedirects = (bool) $followRedirect;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns whether client automatically follows redirects or not.
Chris@0:      *
Chris@0:      * @return bool
Chris@0:      */
Chris@0:     public function isFollowingRedirects()
Chris@0:     {
Chris@0:         return $this->followRedirects;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@13:      * Sets the maximum number of redirects that crawler can follow.
Chris@0:      *
Chris@0:      * @param int $maxRedirects
Chris@0:      */
Chris@0:     public function setMaxRedirects($maxRedirects)
Chris@0:     {
Chris@0:         $this->maxRedirects = $maxRedirects < 0 ? -1 : $maxRedirects;
Chris@0:         $this->followRedirects = -1 != $this->maxRedirects;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@13:      * Returns the maximum number of redirects that crawler can follow.
Chris@0:      *
Chris@0:      * @return int
Chris@0:      */
Chris@0:     public function getMaxRedirects()
Chris@0:     {
Chris@0:         return $this->maxRedirects;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets the insulated flag.
Chris@0:      *
Chris@0:      * @param bool $insulated Whether to insulate the requests or not
Chris@0:      *
Chris@0:      * @throws \RuntimeException When Symfony Process Component is not installed
Chris@0:      */
Chris@0:     public function insulate($insulated = true)
Chris@0:     {
Chris@0:         if ($insulated && !class_exists('Symfony\\Component\\Process\\Process')) {
Chris@0:             throw new \RuntimeException('Unable to isolate requests as the Symfony Process Component is not installed.');
Chris@0:         }
Chris@0: 
Chris@0:         $this->insulated = (bool) $insulated;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets server parameters.
Chris@0:      *
Chris@0:      * @param array $server An array of server parameters
Chris@0:      */
Chris@0:     public function setServerParameters(array $server)
Chris@0:     {
Chris@17:         $this->server = array_merge([
Chris@0:             'HTTP_USER_AGENT' => 'Symfony BrowserKit',
Chris@17:         ], $server);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets single server parameter.
Chris@0:      *
Chris@0:      * @param string $key   A key of the parameter
Chris@0:      * @param string $value A value of the parameter
Chris@0:      */
Chris@0:     public function setServerParameter($key, $value)
Chris@0:     {
Chris@0:         $this->server[$key] = $value;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets single server parameter for specified key.
Chris@0:      *
Chris@0:      * @param string $key     A key of the parameter to get
Chris@0:      * @param string $default A default value when key is undefined
Chris@0:      *
Chris@0:      * @return string A value of the parameter
Chris@0:      */
Chris@0:     public function getServerParameter($key, $default = '')
Chris@0:     {
Chris@0:         return isset($this->server[$key]) ? $this->server[$key] : $default;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the History instance.
Chris@0:      *
Chris@0:      * @return History A History instance
Chris@0:      */
Chris@0:     public function getHistory()
Chris@0:     {
Chris@0:         return $this->history;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the CookieJar instance.
Chris@0:      *
Chris@0:      * @return CookieJar A CookieJar instance
Chris@0:      */
Chris@0:     public function getCookieJar()
Chris@0:     {
Chris@0:         return $this->cookieJar;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the current Crawler instance.
Chris@0:      *
Chris@0:      * @return Crawler|null A Crawler instance
Chris@0:      */
Chris@0:     public function getCrawler()
Chris@0:     {
Chris@0:         return $this->crawler;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the current BrowserKit Response instance.
Chris@0:      *
Chris@0:      * @return Response|null A BrowserKit Response instance
Chris@0:      */
Chris@0:     public function getInternalResponse()
Chris@0:     {
Chris@0:         return $this->internalResponse;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the current origin response instance.
Chris@0:      *
Chris@0:      * The origin response is the response instance that is returned
Chris@0:      * by the code that handles requests.
Chris@0:      *
Chris@0:      * @return object|null A response instance
Chris@0:      *
Chris@0:      * @see doRequest()
Chris@0:      */
Chris@0:     public function getResponse()
Chris@0:     {
Chris@0:         return $this->response;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the current BrowserKit Request instance.
Chris@0:      *
Chris@0:      * @return Request|null A BrowserKit Request instance
Chris@0:      */
Chris@0:     public function getInternalRequest()
Chris@0:     {
Chris@0:         return $this->internalRequest;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the current origin Request instance.
Chris@0:      *
Chris@0:      * The origin request is the request instance that is sent
Chris@0:      * to the code that handles requests.
Chris@0:      *
Chris@0:      * @return object|null A Request instance
Chris@0:      *
Chris@0:      * @see doRequest()
Chris@0:      */
Chris@0:     public function getRequest()
Chris@0:     {
Chris@0:         return $this->request;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Clicks on a given link.
Chris@0:      *
Chris@0:      * @return Crawler
Chris@0:      */
Chris@0:     public function click(Link $link)
Chris@0:     {
Chris@0:         if ($link instanceof Form) {
Chris@0:             return $this->submit($link);
Chris@0:         }
Chris@0: 
Chris@0:         return $this->request($link->getMethod(), $link->getUri());
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Submits a form.
Chris@0:      *
Chris@0:      * @param Form  $form   A Form instance
Chris@0:      * @param array $values An array of form field values
Chris@0:      *
Chris@0:      * @return Crawler
Chris@0:      */
Chris@17:     public function submit(Form $form, array $values = [])
Chris@0:     {
Chris@0:         $form->setValues($values);
Chris@0: 
Chris@0:         return $this->request($form->getMethod(), $form->getUri(), $form->getPhpValues(), $form->getPhpFiles());
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Calls a URI.
Chris@0:      *
Chris@0:      * @param string $method        The request method
Chris@0:      * @param string $uri           The URI to fetch
Chris@0:      * @param array  $parameters    The Request parameters
Chris@0:      * @param array  $files         The files
Chris@0:      * @param array  $server        The server parameters (HTTP headers are referenced with a HTTP_ prefix as PHP does)
Chris@0:      * @param string $content       The raw body data
Chris@0:      * @param bool   $changeHistory Whether to update the history or not (only used internally for back(), forward(), and reload())
Chris@0:      *
Chris@0:      * @return Crawler
Chris@0:      */
Chris@17:     public function request($method, $uri, array $parameters = [], array $files = [], array $server = [], $content = null, $changeHistory = true)
Chris@0:     {
Chris@0:         if ($this->isMainRequest) {
Chris@0:             $this->redirectCount = 0;
Chris@0:         } else {
Chris@0:             ++$this->redirectCount;
Chris@0:         }
Chris@0: 
Chris@17:         $originalUri = $uri;
Chris@17: 
Chris@0:         $uri = $this->getAbsoluteUri($uri);
Chris@0: 
Chris@0:         $server = array_merge($this->server, $server);
Chris@0: 
Chris@17:         if (!empty($server['HTTP_HOST']) && null === parse_url($originalUri, PHP_URL_HOST)) {
Chris@17:             $uri = preg_replace('{^(https?\://)'.preg_quote($this->extractHost($uri)).'}', '${1}'.$server['HTTP_HOST'], $uri);
Chris@17:         }
Chris@17: 
Chris@17:         if (isset($server['HTTPS']) && null === parse_url($originalUri, PHP_URL_SCHEME)) {
Chris@0:             $uri = preg_replace('{^'.parse_url($uri, PHP_URL_SCHEME).'}', $server['HTTPS'] ? 'https' : 'http', $uri);
Chris@0:         }
Chris@0: 
Chris@0:         if (!$this->history->isEmpty()) {
Chris@0:             $server['HTTP_REFERER'] = $this->history->current()->getUri();
Chris@0:         }
Chris@0: 
Chris@0:         if (empty($server['HTTP_HOST'])) {
Chris@0:             $server['HTTP_HOST'] = $this->extractHost($uri);
Chris@0:         }
Chris@0: 
Chris@0:         $server['HTTPS'] = 'https' == parse_url($uri, PHP_URL_SCHEME);
Chris@0: 
Chris@0:         $this->internalRequest = new Request($uri, $method, $parameters, $files, $this->cookieJar->allValues($uri), $server, $content);
Chris@0: 
Chris@0:         $this->request = $this->filterRequest($this->internalRequest);
Chris@0: 
Chris@0:         if (true === $changeHistory) {
Chris@0:             $this->history->add($this->internalRequest);
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->insulated) {
Chris@0:             $this->response = $this->doRequestInProcess($this->request);
Chris@0:         } else {
Chris@0:             $this->response = $this->doRequest($this->request);
Chris@0:         }
Chris@0: 
Chris@0:         $this->internalResponse = $this->filterResponse($this->response);
Chris@0: 
Chris@0:         $this->cookieJar->updateFromResponse($this->internalResponse, $uri);
Chris@0: 
Chris@0:         $status = $this->internalResponse->getStatus();
Chris@0: 
Chris@0:         if ($status >= 300 && $status < 400) {
Chris@0:             $this->redirect = $this->internalResponse->getHeader('Location');
Chris@0:         } else {
Chris@0:             $this->redirect = null;
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->followRedirects && $this->redirect) {
Chris@12:             $this->redirects[serialize($this->history->current())] = true;
Chris@12: 
Chris@0:             return $this->crawler = $this->followRedirect();
Chris@0:         }
Chris@0: 
Chris@0:         return $this->crawler = $this->createCrawlerFromContent($this->internalRequest->getUri(), $this->internalResponse->getContent(), $this->internalResponse->getHeader('Content-Type'));
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Makes a request in another process.
Chris@0:      *
Chris@0:      * @param object $request An origin request instance
Chris@0:      *
Chris@0:      * @return object An origin response instance
Chris@0:      *
Chris@0:      * @throws \RuntimeException When processing returns exit code
Chris@0:      */
Chris@0:     protected function doRequestInProcess($request)
Chris@0:     {
Chris@12:         $deprecationsFile = tempnam(sys_get_temp_dir(), 'deprec');
Chris@12:         putenv('SYMFONY_DEPRECATIONS_SERIALIZE='.$deprecationsFile);
Chris@12:         $_ENV['SYMFONY_DEPRECATIONS_SERIALIZE'] = $deprecationsFile;
Chris@0:         $process = new PhpProcess($this->getScript($request), null, null);
Chris@0:         $process->run();
Chris@0: 
Chris@12:         if (file_exists($deprecationsFile)) {
Chris@12:             $deprecations = file_get_contents($deprecationsFile);
Chris@12:             unlink($deprecationsFile);
Chris@17:             foreach ($deprecations ? unserialize($deprecations) : [] as $deprecation) {
Chris@12:                 if ($deprecation[0]) {
Chris@17:                     @trigger_error($deprecation[1], E_USER_DEPRECATED);
Chris@12:                 } else {
Chris@12:                     @trigger_error($deprecation[1], E_USER_DEPRECATED);
Chris@12:                 }
Chris@12:             }
Chris@12:         }
Chris@12: 
Chris@0:         if (!$process->isSuccessful() || !preg_match('/^O\:\d+\:/', $process->getOutput())) {
Chris@0:             throw new \RuntimeException(sprintf('OUTPUT: %s ERROR OUTPUT: %s', $process->getOutput(), $process->getErrorOutput()));
Chris@0:         }
Chris@0: 
Chris@0:         return unserialize($process->getOutput());
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Makes a request.
Chris@0:      *
Chris@0:      * @param object $request An origin request instance
Chris@0:      *
Chris@0:      * @return object An origin response instance
Chris@0:      */
Chris@0:     abstract protected function doRequest($request);
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the script to execute when the request must be insulated.
Chris@0:      *
Chris@0:      * @param object $request An origin request instance
Chris@0:      *
Chris@0:      * @throws \LogicException When this abstract class is not implemented
Chris@0:      */
Chris@0:     protected function getScript($request)
Chris@0:     {
Chris@0:         throw new \LogicException('To insulate requests, you need to override the getScript() method.');
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Filters the BrowserKit request to the origin one.
Chris@0:      *
Chris@0:      * @param Request $request The BrowserKit Request to filter
Chris@0:      *
Chris@0:      * @return object An origin request instance
Chris@0:      */
Chris@0:     protected function filterRequest(Request $request)
Chris@0:     {
Chris@0:         return $request;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Filters the origin response to the BrowserKit one.
Chris@0:      *
Chris@0:      * @param object $response The origin response to filter
Chris@0:      *
Chris@0:      * @return Response An BrowserKit Response instance
Chris@0:      */
Chris@0:     protected function filterResponse($response)
Chris@0:     {
Chris@0:         return $response;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Creates a crawler.
Chris@0:      *
Chris@0:      * This method returns null if the DomCrawler component is not available.
Chris@0:      *
Chris@0:      * @param string $uri     A URI
Chris@0:      * @param string $content Content for the crawler to use
Chris@0:      * @param string $type    Content type
Chris@0:      *
Chris@0:      * @return Crawler|null
Chris@0:      */
Chris@0:     protected function createCrawlerFromContent($uri, $content, $type)
Chris@0:     {
Chris@0:         if (!class_exists('Symfony\Component\DomCrawler\Crawler')) {
Chris@0:             return;
Chris@0:         }
Chris@0: 
Chris@0:         $crawler = new Crawler(null, $uri);
Chris@0:         $crawler->addContent($content, $type);
Chris@0: 
Chris@0:         return $crawler;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Goes back in the browser history.
Chris@0:      *
Chris@0:      * @return Crawler
Chris@0:      */
Chris@0:     public function back()
Chris@0:     {
Chris@12:         do {
Chris@12:             $request = $this->history->back();
Chris@18:         } while (\array_key_exists(serialize($request), $this->redirects));
Chris@12: 
Chris@12:         return $this->requestFromRequest($request, false);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Goes forward in the browser history.
Chris@0:      *
Chris@0:      * @return Crawler
Chris@0:      */
Chris@0:     public function forward()
Chris@0:     {
Chris@12:         do {
Chris@12:             $request = $this->history->forward();
Chris@18:         } while (\array_key_exists(serialize($request), $this->redirects));
Chris@12: 
Chris@12:         return $this->requestFromRequest($request, false);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Reloads the current browser.
Chris@0:      *
Chris@0:      * @return Crawler
Chris@0:      */
Chris@0:     public function reload()
Chris@0:     {
Chris@0:         return $this->requestFromRequest($this->history->current(), false);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Follow redirects?
Chris@0:      *
Chris@0:      * @return Crawler
Chris@0:      *
Chris@0:      * @throws \LogicException If request was not a redirect
Chris@0:      */
Chris@0:     public function followRedirect()
Chris@0:     {
Chris@0:         if (empty($this->redirect)) {
Chris@0:             throw new \LogicException('The request was not redirected.');
Chris@0:         }
Chris@0: 
Chris@0:         if (-1 !== $this->maxRedirects) {
Chris@0:             if ($this->redirectCount > $this->maxRedirects) {
Chris@12:                 $this->redirectCount = 0;
Chris@0:                 throw new \LogicException(sprintf('The maximum number (%d) of redirections was reached.', $this->maxRedirects));
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $request = $this->internalRequest;
Chris@0: 
Chris@17:         if (\in_array($this->internalResponse->getStatus(), [301, 302, 303])) {
Chris@0:             $method = 'GET';
Chris@17:             $files = [];
Chris@0:             $content = null;
Chris@0:         } else {
Chris@0:             $method = $request->getMethod();
Chris@0:             $files = $request->getFiles();
Chris@0:             $content = $request->getContent();
Chris@0:         }
Chris@0: 
Chris@0:         if ('GET' === strtoupper($method)) {
Chris@0:             // Don't forward parameters for GET request as it should reach the redirection URI
Chris@17:             $parameters = [];
Chris@0:         } else {
Chris@0:             $parameters = $request->getParameters();
Chris@0:         }
Chris@0: 
Chris@0:         $server = $request->getServer();
Chris@0:         $server = $this->updateServerFromUri($server, $this->redirect);
Chris@0: 
Chris@0:         $this->isMainRequest = false;
Chris@0: 
Chris@0:         $response = $this->request($method, $this->redirect, $parameters, $files, $server, $content);
Chris@0: 
Chris@0:         $this->isMainRequest = true;
Chris@0: 
Chris@0:         return $response;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Restarts the client.
Chris@0:      *
Chris@0:      * It flushes history and all cookies.
Chris@0:      */
Chris@0:     public function restart()
Chris@0:     {
Chris@0:         $this->cookieJar->clear();
Chris@0:         $this->history->clear();
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Takes a URI and converts it to absolute if it is not already absolute.
Chris@0:      *
Chris@0:      * @param string $uri A URI
Chris@0:      *
Chris@0:      * @return string An absolute URI
Chris@0:      */
Chris@0:     protected function getAbsoluteUri($uri)
Chris@0:     {
Chris@0:         // already absolute?
Chris@0:         if (0 === strpos($uri, 'http://') || 0 === strpos($uri, 'https://')) {
Chris@0:             return $uri;
Chris@0:         }
Chris@0: 
Chris@0:         if (!$this->history->isEmpty()) {
Chris@0:             $currentUri = $this->history->current()->getUri();
Chris@0:         } else {
Chris@0:             $currentUri = sprintf('http%s://%s/',
Chris@0:                 isset($this->server['HTTPS']) ? 's' : '',
Chris@0:                 isset($this->server['HTTP_HOST']) ? $this->server['HTTP_HOST'] : 'localhost'
Chris@0:             );
Chris@0:         }
Chris@0: 
Chris@0:         // protocol relative URL
Chris@0:         if (0 === strpos($uri, '//')) {
Chris@0:             return parse_url($currentUri, PHP_URL_SCHEME).':'.$uri;
Chris@0:         }
Chris@0: 
Chris@0:         // anchor or query string parameters?
Chris@0:         if (!$uri || '#' == $uri[0] || '?' == $uri[0]) {
Chris@0:             return preg_replace('/[#?].*?$/', '', $currentUri).$uri;
Chris@0:         }
Chris@0: 
Chris@0:         if ('/' !== $uri[0]) {
Chris@0:             $path = parse_url($currentUri, PHP_URL_PATH);
Chris@0: 
Chris@0:             if ('/' !== substr($path, -1)) {
Chris@0:                 $path = substr($path, 0, strrpos($path, '/') + 1);
Chris@0:             }
Chris@0: 
Chris@0:             $uri = $path.$uri;
Chris@0:         }
Chris@0: 
Chris@0:         return preg_replace('#^(.*?//[^/]+)\/.*$#', '$1', $currentUri).$uri;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Makes a request from a Request object directly.
Chris@0:      *
Chris@0:      * @param Request $request       A Request instance
Chris@0:      * @param bool    $changeHistory Whether to update the history or not (only used internally for back(), forward(), and reload())
Chris@0:      *
Chris@0:      * @return Crawler
Chris@0:      */
Chris@0:     protected function requestFromRequest(Request $request, $changeHistory = true)
Chris@0:     {
Chris@0:         return $this->request($request->getMethod(), $request->getUri(), $request->getParameters(), $request->getFiles(), $request->getServer(), $request->getContent(), $changeHistory);
Chris@0:     }
Chris@0: 
Chris@0:     private function updateServerFromUri($server, $uri)
Chris@0:     {
Chris@0:         $server['HTTP_HOST'] = $this->extractHost($uri);
Chris@0:         $scheme = parse_url($uri, PHP_URL_SCHEME);
Chris@0:         $server['HTTPS'] = null === $scheme ? $server['HTTPS'] : 'https' == $scheme;
Chris@0:         unset($server['HTTP_IF_NONE_MATCH'], $server['HTTP_IF_MODIFIED_SINCE']);
Chris@0: 
Chris@0:         return $server;
Chris@0:     }
Chris@0: 
Chris@0:     private function extractHost($uri)
Chris@0:     {
Chris@0:         $host = parse_url($uri, PHP_URL_HOST);
Chris@0: 
Chris@0:         if ($port = parse_url($uri, PHP_URL_PORT)) {
Chris@0:             return $host.':'.$port;
Chris@0:         }
Chris@0: 
Chris@0:         return $host;
Chris@0:     }
Chris@0: }