public function ServerBag::getHeaders in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 vendor/symfony/http-foundation/ServerBag.php \Symfony\Component\HttpFoundation\ServerBag::getHeaders()

Gets the HTTP headers.

Return value

array

File

vendor/symfony/http-foundation/ServerBag.php, line 28

Class

ServerBag

ServerBag is a container for HTTP headers from the $_SERVER variable.

Namespace

Symfony\Component\HttpFoundation

Code

public function getHeaders() {
  $headers = array();
  $contentHeaders = array(
    'CONTENT_LENGTH' => true,
    'CONTENT_MD5' => true,
    'CONTENT_TYPE' => true,
  );
  foreach ($this->parameters as $key => $value) {
    if (0 === strpos($key, 'HTTP_')) {
      $headers[substr($key, 5)] = $value;
    }
    elseif (isset($contentHeaders[$key])) {
      $headers[$key] = $value;
    }
  }
  if (isset($this->parameters['PHP_AUTH_USER'])) {
    $headers['PHP_AUTH_USER'] = $this->parameters['PHP_AUTH_USER'];
    $headers['PHP_AUTH_PW'] = isset($this->parameters['PHP_AUTH_PW']) ? $this->parameters['PHP_AUTH_PW'] : '';
  }
  else {

    /*
     * php-cgi under Apache does not pass HTTP Basic user/pass to PHP by default
     * For this workaround to work, add these lines to your .htaccess file:
     * RewriteCond %{HTTP:Authorization} ^(.+)$
     * RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
     *
     * A sample .htaccess file:
     * RewriteEngine On
     * RewriteCond %{HTTP:Authorization} ^(.+)$
     * RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
     * RewriteCond %{REQUEST_FILENAME} !-f
     * RewriteRule ^(.*)$ app.php [QSA,L]
     */
    $authorizationHeader = null;
    if (isset($this->parameters['HTTP_AUTHORIZATION'])) {
      $authorizationHeader = $this->parameters['HTTP_AUTHORIZATION'];
    }
    elseif (isset($this->parameters['REDIRECT_HTTP_AUTHORIZATION'])) {
      $authorizationHeader = $this->parameters['REDIRECT_HTTP_AUTHORIZATION'];
    }
    if (null !== $authorizationHeader) {
      if (0 === stripos($authorizationHeader, 'basic ')) {

        // Decode AUTHORIZATION header into PHP_AUTH_USER and PHP_AUTH_PW when authorization header is basic
        $exploded = explode(':', base64_decode(substr($authorizationHeader, 6)), 2);
        if (count($exploded) == 2) {
          list($headers['PHP_AUTH_USER'], $headers['PHP_AUTH_PW']) = $exploded;
        }
      }
      elseif (empty($this->parameters['PHP_AUTH_DIGEST']) && 0 === stripos($authorizationHeader, 'digest ')) {

        // In some circumstances PHP_AUTH_DIGEST needs to be set
        $headers['PHP_AUTH_DIGEST'] = $authorizationHeader;
        $this->parameters['PHP_AUTH_DIGEST'] = $authorizationHeader;
      }
      elseif (0 === stripos($authorizationHeader, 'bearer ')) {

        /*
         * XXX: Since there is no PHP_AUTH_BEARER in PHP predefined variables,
         *      I'll just set $headers['AUTHORIZATION'] here.
         *      http://php.net/manual/en/reserved.variables.server.php
         */
        $headers['AUTHORIZATION'] = $authorizationHeader;
      }
    }
  }

  // PHP_AUTH_USER/PHP_AUTH_PW
  if (isset($headers['PHP_AUTH_USER'])) {
    $headers['AUTHORIZATION'] = 'Basic ' . base64_encode($headers['PHP_AUTH_USER'] . ':' . $headers['PHP_AUTH_PW']);
  }
  elseif (isset($headers['PHP_AUTH_DIGEST'])) {
    $headers['AUTHORIZATION'] = $headers['PHP_AUTH_DIGEST'];
  }
  return $headers;
}