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author | Christian Cleberg <hello@cleberg.net> | 2023-05-22 15:37:34 -0500 |
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committer | Christian Cleberg <hello@cleberg.net> | 2023-05-22 15:37:34 -0500 |
commit | 17ff8aec3a0d2e0a520849c42c40a154a0831495 (patch) | |
tree | 8860d29e9d0f9acd1535c7827045864fc31f8d01 /vendor/eher/oauth/src/Eher/OAuth/Util.php | |
download | michelangelo-17ff8aec3a0d2e0a520849c42c40a154a0831495.tar.gz michelangelo-17ff8aec3a0d2e0a520849c42c40a154a0831495.tar.bz2 michelangelo-17ff8aec3a0d2e0a520849c42c40a154a0831495.zip |
initial commit
Diffstat (limited to 'vendor/eher/oauth/src/Eher/OAuth/Util.php')
-rw-r--r-- | vendor/eher/oauth/src/Eher/OAuth/Util.php | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/vendor/eher/oauth/src/Eher/OAuth/Util.php b/vendor/eher/oauth/src/Eher/OAuth/Util.php new file mode 100644 index 0000000..1feee44 --- /dev/null +++ b/vendor/eher/oauth/src/Eher/OAuth/Util.php @@ -0,0 +1,155 @@ +<?php + +namespace Eher\OAuth; + +class Util { + public static function urlencode_rfc3986($input) { + if (is_array($input)) { + return array_map(array('Eher\OAuth\Util', 'urlencode_rfc3986'), $input); + } else if (is_scalar($input)) { + return str_replace( + '+', + ' ', + str_replace('%7E', '~', rawurlencode($input)) + ); + } else { + return ''; + } +} + + + // This decode function isn't taking into consideration the above + // modifications to the encoding process. However, this method doesn't + // seem to be used anywhere so leaving it as is. + public static function urldecode_rfc3986($string) { + return urldecode($string); + } + + // Utility function for turning the Authorization: header into + // parameters, has to do some unescaping + // Can filter out any non-oauth parameters if needed (default behaviour) + // May 28th, 2010 - method updated to tjerk.meesters for a speed improvement. + // see http://code.google.com/p/oauth/issues/detail?id=163 + public static function split_header($header, $only_allow_oauth_parameters = true) { + $params = array(); + if (preg_match_all('/('.($only_allow_oauth_parameters ? 'oauth_' : '').'[a-z_-]*)=(:?"([^"]*)"|([^,]*))/', $header, $matches)) { + foreach ($matches[1] as $i => $h) { + $params[$h] = Util::urldecode_rfc3986(empty($matches[3][$i]) ? $matches[4][$i] : $matches[3][$i]); + } + if (isset($params['realm'])) { + unset($params['realm']); + } + } + return $params; + } + + // helper to try to sort out headers for people who aren't running apache + 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; + } + + // This function takes a input like a=b&a=c&d=e and returns the parsed + // parameters like this + // array('a' => array('b','c'), 'd' => 'e') + public static function parse_parameters( $input ) { + if (!isset($input) || !$input) return array(); + + $pairs = explode('&', $input); + + $parsed_parameters = array(); + foreach ($pairs as $pair) { + $split = explode('=', $pair, 2); + $parameter = Util::urldecode_rfc3986($split[0]); + $value = isset($split[1]) ? Util::urldecode_rfc3986($split[1]) : ''; + + if (isset($parsed_parameters[$parameter])) { + // We have already recieved parameter(s) with this name, so add to the list + // of parameters with this name + + if (is_scalar($parsed_parameters[$parameter])) { + // This is the first duplicate, so transform scalar (string) into an array + // so we can add the duplicates + $parsed_parameters[$parameter] = array($parsed_parameters[$parameter]); + } + + $parsed_parameters[$parameter][] = $value; + } else { + $parsed_parameters[$parameter] = $value; + } + } + return $parsed_parameters; + } + + public static function build_http_query($params) { + if (!$params) return ''; + + // Urlencode both keys and values + $keys = Util::urlencode_rfc3986(array_keys($params)); + $values = Util::urlencode_rfc3986(array_values($params)); + $params = array_combine($keys, $values); + + // Parameters are sorted by name, using lexicographical byte value ordering. + // Ref: Spec: 9.1.1 (1) + uksort($params, 'strcmp'); + + $pairs = array(); + foreach ($params as $parameter => $value) { + if (is_array($value)) { + // If two or more parameters share the same name, they are sorted by their value + // Ref: Spec: 9.1.1 (1) + // June 12th, 2010 - changed to sort because of issue 164 by hidetaka + sort($value, SORT_STRING); + foreach ($value as $duplicate_value) { + $pairs[] = $parameter . '=' . $duplicate_value; + } + } else { + $pairs[] = $parameter . '=' . $value; + } + } + // For each parameter, the name is separated from the corresponding value by an '=' character (ASCII code 61) + // Each name-value pair is separated by an '&' character (ASCII code 38) + return implode('&', $pairs); + } +} + |