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<?php |
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/** |
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* SocialConnect project |
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* @author: Patsura Dmitry https://github.com/ovr <[email protected]> |
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*/ |
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namespace SocialConnect\OAuth1; |
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class Util |
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{ |
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public static function urlencodeRFC3986($input) |
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{ |
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if (is_array($input)) { |
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return array_map(array( |
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__NAMESPACE__ . '\Util', |
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'urlencodeRFC3986' |
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), $input); |
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} elseif (is_scalar($input)) { |
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return rawurlencode($input); |
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} else { |
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return ''; |
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} |
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} |
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// This decode function isn't taking into consideration the above |
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// modifications to the encoding process. However, this method doesn't |
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// seem to be used anywhere so leaving it as is. |
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public static function urldecodeRFC3986($string) |
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{ |
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return urldecode($string); |
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} |
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/** |
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* Utility function for turning the Authorization: header into |
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* parameters, has to do some unescaping |
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* Can filter out any non-oauth parameters if needed (default behaviour) |
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* May 28th, 2010 - method updated to tjerk.meesters for a speed improvement. |
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* see http://code.google.com/p/oauth/issues/detail?id=163 |
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* |
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* @param $header |
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* @param bool|true $oauthParameters Allow only oauth parameters |
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* @return array |
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*/ |
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public static function splitHeader($header, $oauthParameters = true) |
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{ |
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$params = array(); |
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if (preg_match_all('/(' . ($oauthParameters ? 'oauth_' : '') . '[a-z_-]*)=(:?"([^"]*)"|([^,]*))/', $header, $matches)) { |
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foreach ($matches[1] as $i => $h) { |
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$params[$h] = self::urldecodeRFC3986(empty($matches[3][$i]) ? $matches[4][$i] : $matches[3][$i]); |
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} |
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if (isset($params['realm'])) { |
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unset($params['realm']); |
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} |
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} |
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return $params; |
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} |
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// helper to try to sort out headers for people who aren't running apache |
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public static function getHeaders() |
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{ |
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if (function_exists('apache_request_headers')) { |
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// we need this to get the actual Authorization: header |
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// because apache tends to tell us it doesn't exist |
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$headers = apache_request_headers(); |
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// sanitize the output of apache_request_headers because |
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// we always want the keys to be Cased-Like-This and arh() |
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// returns the headers in the same case as they are in the |
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// request |
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$out = array(); |
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foreach ($headers as $key => $value) { |
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$key = str_replace(" ", "-", ucwords(strtolower(str_replace("-", " ", $key)))); |
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$out[$key] = $value; |
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} |
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} else { |
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// otherwise we don't have apache and are just going to have to hope |
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// that $_SERVER actually contains what we need |
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$out = array(); |
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if (isset($_SERVER['CONTENT_TYPE'])) { |
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$out['Content-Type'] = $_SERVER['CONTENT_TYPE']; |
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} |
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if (isset($_ENV['CONTENT_TYPE'])) { |
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$out['Content-Type'] = $_ENV['CONTENT_TYPE']; |
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} |
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foreach ($_SERVER as $key => $value) { |
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if (substr($key, 0, 5) == "HTTP_") { |
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// this is chaos, basically it is just there to capitalize the first |
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// letter of every word that is not an initial HTTP and strip HTTP |
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// code from przemek |
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$key = str_replace(" ", "-", ucwords(strtolower(str_replace("_", " ", substr($key, 5))))); |
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$out[$key] = $value; |
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} |
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} |
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} |
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return $out; |
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} |
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// This function takes a input like a=b&a=c&d=e and returns the parsed |
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// parameters like this |
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// array('a' => array('b','c'), 'd' => 'e') |
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public static function parseParameters($input) |
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{ |
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if (!isset($input) || !$input) { |
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return array(); |
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} |
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$pairs = explode('&', $input); |
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$parsed_parameters = array(); |
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foreach ($pairs as $pair) { |
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$split = explode('=', $pair, 2); |
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$parameter = self::urldecodeRFC3986($split[0]); |
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$value = isset($split[1]) ? self::urldecodeRFC3986($split[1]) : ''; |
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if (isset($parsed_parameters[$parameter])) { |
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// We have already recieved parameter(s) with this name, so add to the list |
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// of parameters with this name |
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if (is_scalar($parsed_parameters[$parameter])) { |
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// This is the first duplicate, so transform scalar (string) into an array |
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// so we can add the duplicates |
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$parsed_parameters[$parameter] = array( |
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$parsed_parameters[$parameter] |
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); |
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} |
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$parsed_parameters[$parameter][] = $value; |
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} else { |
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$parsed_parameters[$parameter] = $value; |
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} |
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} |
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return $parsed_parameters; |
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} |
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public static function buildHttpQuery($params) |
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{ |
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if (!$params) { |
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return ''; |
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} |
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// Urlencode both keys and values |
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$keys = self::urlencodeRFC3986(array_keys($params)); |
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$values = self::urlencodeRFC3986(array_values($params)); |
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$params = array_combine($keys, $values); |
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// Parameters are sorted by name, using lexicographical byte value ordering. |
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// Ref: Spec: 9.1.1 (1) |
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uksort($params, 'strcmp'); |
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$pairs = array(); |
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foreach ($params as $parameter => $value) { |
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if (is_array($value)) { |
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// If two or more parameters share the same name, they are sorted by their value |
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// Ref: Spec: 9.1.1 (1) |
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// June 12th, 2010 - changed to sort because of issue 164 by hidetaka |
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sort($value, SORT_STRING); |
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foreach ($value as $duplicate_value) { |
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$pairs[] = $parameter . '=' . $duplicate_value; |
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} |
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} else { |
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$pairs[] = $parameter . '=' . $value; |
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} |
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} |
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// For each parameter, the name is separated from the corresponding value by an '=' character (ASCII code 61) |
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// Each name-value pair is separated by an '&' character (ASCII code 38) |
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return implode('&', $pairs); |
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} |
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} |
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SocialConnect /
auth
