public static get_headers ( ) |
public static function get_headers()
{
if (function_exists('apache_request_headers')) {
// we need this to get the actual Authorization: header
// because apache tends to tell us it doesn't exist
$headers = apache_request_headers();
// sanitize the output of apache_request_headers because
// we always want the keys to be Cased-Like-This and arh()
// returns the headers in the same case as they are in the
// request
$out = array();
foreach ($headers as $key => $value) {
$key = str_replace(" ", "-", ucwords(strtolower(str_replace("-", " ", $key))));
$out[$key] = $value;
}
} else {
// otherwise we don't have apache and are just going to have to hope
// that $_SERVER actually contains what we need
$out = array();
if (isset($_SERVER['CONTENT_TYPE'])) {
$out['Content-Type'] = $_SERVER['CONTENT_TYPE'];
}
if (isset($_ENV['CONTENT_TYPE'])) {
$out['Content-Type'] = $_ENV['CONTENT_TYPE'];
}
foreach ($_SERVER as $key => $value) {
if (substr($key, 0, 5) == "HTTP_") {
// this is chaos, basically it is just there to capitalize the first
// letter of every word that is not an initial HTTP and strip HTTP
// code from przemek
$key = str_replace(" ", "-", ucwords(strtolower(str_replace("_", " ", substr($key, 5)))));
$out[$key] = $value;
}
}
}
return $out;
}
/** * attempt to build up a request from what was passed to the server */ public static function from_request($http_method = NULL, $http_url = NULL, $parameters = NULL) { $scheme = !isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != "on" ? 'http' : 'https'; $http_url = $http_url ? $http_url : $scheme . '://' . $_SERVER['HTTP_HOST'] . ':' . $_SERVER['SERVER_PORT'] . $_SERVER['REQUEST_URI']; $http_method = $http_method ? $http_method : $_SERVER['REQUEST_METHOD']; // We weren't handed any parameters, so let's find the ones relevant to // this request. // If you run XML-RPC or similar you should use this to provide your own // parsed parameter-list if (!$parameters) { // Find request headers $request_headers = OAuthUtil::get_headers(); // Parse the query-string to find GET parameters $parameters = OAuthUtil::parse_parameters($_SERVER['QUERY_STRING']); // It's a POST request of the proper content-type, so parse POST // parameters and add those overriding any duplicates from GET if ($http_method == "POST" && isset($request_headers['Content-Type']) && strstr($request_headers['Content-Type'], 'application/x-www-form-urlencoded')) { $post_data = OAuthUtil::parse_parameters(file_get_contents(self::$POST_INPUT)); $parameters = array_merge($parameters, $post_data); } // We have a Authorization-header with OAuth data. Parse the header // and add those overriding any duplicates from GET or POST if (isset($request_headers['Authorization']) && substr($request_headers['Authorization'], 0, 6) == 'OAuth ') { $header_parameters = OAuthUtil::split_header($request_headers['Authorization']); $parameters = array_merge($parameters, $header_parameters); } } return new OAuthRequest($http_method, $http_url, $parameters); }