diff options
Diffstat (limited to 'vendor/eher/oauth/src/Eher/OAuth/Request.php')
-rw-r--r-- | vendor/eher/oauth/src/Eher/OAuth/Request.php | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/vendor/eher/oauth/src/Eher/OAuth/Request.php b/vendor/eher/oauth/src/Eher/OAuth/Request.php new file mode 100644 index 0000000..afb2b20 --- /dev/null +++ b/vendor/eher/oauth/src/Eher/OAuth/Request.php @@ -0,0 +1,264 @@ +<?php + +namespace Eher\OAuth; + +class Request { + protected $parameters; + protected $http_method; + protected $http_url; + // for debug purposes + public $base_string; + public static $version = '1.0'; + public static $POST_INPUT = 'php://input'; + + function __construct($http_method, $http_url, $parameters=NULL) { + $parameters = ($parameters) ? $parameters : array(); + $parameters = array_merge( Util::parse_parameters(parse_url($http_url, PHP_URL_QUERY)), $parameters); + $this->parameters = $parameters; + $this->http_method = $http_method; + $this->http_url = $http_url; + } + + + /** + * attempt to build up a request from what was passed to the server + */ + public static function from_request($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 = Util::get_headers(); + + // Parse the query-string to find GET parameters + $parameters = Util::parse_parameters($_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') + ) { + $post_data = Util::parse_parameters( + file_get_contents(self::$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 = Util::split_header( + $request_headers['Authorization'] + ); + $parameters = array_merge($parameters, $header_parameters); + } + + } + + return new Request($http_method, $http_url, $parameters); + } + + /** + * pretty much a helper function to set up the request + */ + public static function from_consumer_and_token($consumer, $token, $http_method, $http_url, $parameters=NULL) { + $parameters = ($parameters) ? $parameters : array(); + $defaults = array("oauth_version" => Request::$version, + "oauth_nonce" => Request::generate_nonce(), + "oauth_timestamp" => Request::generate_timestamp(), + "oauth_consumer_key" => $consumer->key); + if ($token) + $defaults['oauth_token'] = $token->key; + + $parameters = array_merge($defaults, $parameters); + + return new Request($http_method, $http_url, $parameters); + } + + public function set_parameter($name, $value, $allow_duplicates = true) { + if ($allow_duplicates && isset($this->parameters[$name])) { + // We have already added parameter(s) with this name, so add to the list + if (is_scalar($this->parameters[$name])) { + // This is the first duplicate, so transform scalar (string) + // into an array so we can add the duplicates + $this->parameters[$name] = array($this->parameters[$name]); + } + + $this->parameters[$name][] = $value; + } else { + $this->parameters[$name] = $value; + } + } + + public function get_parameter($name) { + return isset($this->parameters[$name]) ? $this->parameters[$name] : null; + } + + public function get_parameters() { + return $this->parameters; + } + + public function unset_parameter($name) { + unset($this->parameters[$name]); + } + + /** + * The request parameters, sorted and concatenated into a normalized string. + * @return string + */ + public function get_signable_parameters() { + // Grab all parameters + $params = $this->parameters; + + // Remove oauth_signature if present + // Ref: Spec: 9.1.1 ("The oauth_signature parameter MUST be excluded.") + if (isset($params['oauth_signature'])) { + unset($params['oauth_signature']); + } + + return Util::build_http_query($params); + } + + /** + * Returns the base string of this request + * + * The base string defined as the method, the url + * and the parameters (normalized), each urlencoded + * and the concated with &. + */ + public function get_signature_base_string() { + $parts = array( + $this->get_normalized_http_method(), + $this->get_normalized_http_url(), + $this->get_signable_parameters() + ); + + $parts = Util::urlencode_rfc3986($parts); + + return implode('&', $parts); + } + + /** + * just uppercases the http method + */ + public function get_normalized_http_method() { + return strtoupper($this->http_method); + } + + /** + * parses the url and rebuilds it to be + * scheme://host/path + */ + public function get_normalized_http_url() { + $parts = parse_url($this->http_url); + + $scheme = (isset($parts['scheme'])) ? $parts['scheme'] : 'http'; + $port = (isset($parts['port'])) ? $parts['port'] : (($scheme == 'https') ? '443' : '80'); + $host = (isset($parts['host'])) ? $parts['host'] : ''; + $path = (isset($parts['path'])) ? $parts['path'] : ''; + + if (($scheme == 'https' && $port != '443') + || ($scheme == 'http' && $port != '80')) { + $host = "$host:$port"; + } + return "$scheme://$host$path"; + } + + /** + * builds a url usable for a GET request + */ + public function to_url() { + $post_data = $this->to_postdata(); + $out = $this->get_normalized_http_url(); + if ($post_data) { + $out .= '?'.$post_data; + } + return $out; + } + + /** + * builds the data one would send in a POST request + */ + public function to_postdata() { + return Util::build_http_query($this->parameters); + } + + /** + * builds the Authorization: header + */ + public function to_header($realm=null) { + $first = true; + if($realm) { + $out = 'Authorization: OAuth realm="' . Util::urlencode_rfc3986($realm) . '"'; + $first = false; + } else + $out = 'Authorization: OAuth'; + + $total = array(); + foreach ($this->parameters as $k => $v) { + if (substr($k, 0, 5) != "oauth") continue; + if (is_array($v)) { + throw new OAuthException('Arrays not supported in headers'); + } + $out .= ($first) ? ' ' : ','; + $out .= Util::urlencode_rfc3986($k) . + '="' . + Util::urlencode_rfc3986($v) . + '"'; + $first = false; + } + return $out; + } + + public function __toString() { + return $this->to_url(); + } + + + public function sign_request($signature_method, $consumer, $token) { + $this->set_parameter( + "oauth_signature_method", + $signature_method->get_name(), + false + ); + $signature = $this->build_signature($signature_method, $consumer, $token); + $this->set_parameter("oauth_signature", $signature, false); + } + + public function build_signature($signature_method, $consumer, $token) { + $signature = $signature_method->build_signature($this, $consumer, $token); + return $signature; + } + + /** + * util function: current timestamp + */ + private static function generate_timestamp() { + return time(); + } + + /** + * util function: current nonce + */ + private static function generate_nonce() { + $mt = microtime(); + $rand = mt_rand(); + + return md5($mt . $rand); // md5s look nicer than numbers + } +} + |