Initializes and executes a cURL request.

Parameters

$curl_options: An associative array of cURL options to set, where the keys are constants defined by the cURL library. For a list of valid options, see http://www.php.net/manual/function.curl-setopt.php

$redirect: FALSE if this is an initial request, TRUE if this request is the result of a redirect.

Return value

The content returned from the call to curl_exec().

See also

curlInitialize()

4 calls to DrupalWebTestCase::curlExec()

BootstrapDestinationTestCase::testDestination in modules/simpletest/tests/bootstrap.test

Tests that $_GET/$_REQUEST['destination'] only contain internal URLs.

DrupalWebTestCase::drupalGet in modules/simpletest/drupal_web_test_case.php

Retrieves a Drupal path or an absolute path.

DrupalWebTestCase::drupalHead in modules/simpletest/drupal_web_test_case.php

Retrieves only the headers for a Drupal path or an absolute path.

DrupalWebTestCase::drupalPost in modules/simpletest/drupal_web_test_case.php

Execute a POST request on a Drupal page. It will be done as usual POST request with SimpleBrowser.

File

modules/simpletest/drupal_web_test_case.php, line 2094

Class

DrupalWebTestCase

Test case for typical Drupal tests.

Code

protected function curlExec($curl_options, $redirect = FALSE) {
    $this->curlInitialize();
    if (!empty($curl_options[CURLOPT_URL])) {
        // Forward XDebug activation if present.
        if (isset($_COOKIE['XDEBUG_SESSION'])) {
            $options = drupal_parse_url($curl_options[CURLOPT_URL]);
            $options += array(
                'query' => array(),
            );
            $options['query'] += array(
                'XDEBUG_SESSION_START' => $_COOKIE['XDEBUG_SESSION'],
            );
            $curl_options[CURLOPT_URL] = url($options['path'], $options);
        }
        // cURL incorrectly handles URLs with a fragment by including the
        // fragment in the request to the server, causing some web servers
        // to reject the request citing "400 - Bad Request". To prevent
        // this, we strip the fragment from the request.
        // TODO: Remove this for Drupal 8, since fixed in curl 7.20.0.
        if (strpos($curl_options[CURLOPT_URL], '#')) {
            $original_url = $curl_options[CURLOPT_URL];
            $curl_options[CURLOPT_URL] = strtok($curl_options[CURLOPT_URL], '#');
        }
    }
    $url = empty($curl_options[CURLOPT_URL]) ? curl_getinfo($this->curlHandle, CURLINFO_EFFECTIVE_URL) : $curl_options[CURLOPT_URL];
    if (!empty($curl_options[CURLOPT_POST])) {
        // This is a fix for the Curl library to prevent Expect: 100-continue
        // headers in POST requests, that may cause unexpected HTTP response
        // codes from some webservers (like lighttpd that returns a 417 error
        // code). It is done by setting an empty "Expect" header field that is
        // not overwritten by Curl.
        $curl_options[CURLOPT_HTTPHEADER][] = 'Expect:';
    }
    curl_setopt_array($this->curlHandle, $this->additionalCurlOptions + $curl_options);
    if (!$redirect) {
        // Reset headers, the session ID and the redirect counter.
        $this->session_id = NULL;
        $this->headers = array();
        $this->redirect_count = 0;
    }
    $content = curl_exec($this->curlHandle);
    $status = curl_getinfo($this->curlHandle, CURLINFO_HTTP_CODE);
    // cURL incorrectly handles URLs with fragments, so instead of
    // letting cURL handle redirects we take of them ourselves to
    // to prevent fragments being sent to the web server as part
    // of the request.
    // TODO: Remove this for Drupal 8, since fixed in curl 7.20.0.
    if (in_array($status, array(
        300,
        301,
        302,
        303,
        305,
        307,
    )) && $this->redirect_count < variable_get('simpletest_maximum_redirects', 5)) {
        if ($this->drupalGetHeader('location')) {
            $this->redirect_count++;
            $curl_options = array();
            $curl_options[CURLOPT_URL] = $this->drupalGetHeader('location');
            $curl_options[CURLOPT_HTTPGET] = TRUE;
            return $this->curlExec($curl_options, TRUE);
        }
    }
    $this->drupalSetContent($content, isset($original_url) ? $original_url : curl_getinfo($this->curlHandle, CURLINFO_EFFECTIVE_URL));
    $message_vars = array(
        '!method' => !empty($curl_options[CURLOPT_NOBODY]) ? 'HEAD' : (empty($curl_options[CURLOPT_POSTFIELDS]) ? 'GET' : 'POST'),
        '@url' => isset($original_url) ? $original_url : $url,
        '@status' => $status,
        '!length' => format_size(strlen($this->drupalGetContent())),
    );
    $message = t('!method @url returned @status (!length).', $message_vars);
    $this->assertTrue($this->drupalGetContent() !== FALSE, $message, t('Browser'));
    return $this->drupalGetContent();
}

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