ywww: goodreads/OAuth.php comparison

comparison goodreads/OAuth.php @ 6:077b0a0a3e6d

remaining originals according to dependency walk

author	Robert Boland <robert@markup.co.uk>
date	Thu, 16 Feb 2017 22:29:02 +0000
parents
children

comparison

equal deleted inserted replaced

-:55445b456ad0
+:077b0a0a3e6d
+<?php
+// vim: foldmethod=marker
+/* Generic exception class
+*/
+class OAuthException extends Exception {
+// pass
+}
+class OAuthConsumer {
+public $key;
+public $secret;
+function __construct($key, $secret, $callback_url=NULL) {
+$this->key = $key;
+$this->secret = $secret;
+$this->callback_url = $callback_url;
+}
+function __toString() {
+return "OAuthConsumer[key=$this->key,secret=$this->secret]";
+}
+}
+class OAuthToken {
+// access tokens and request tokens
+public $key;
+public $secret;
+/**
+* key = the token
+* secret = the token secret
+*/
+function __construct($key, $secret) {
+$this->key = $key;
+$this->secret = $secret;
+}
+/**
+* generates the basic string serialization of a token that a server
+* would respond to request_token and access_token calls with
+*/
+function to_string() {
+return "oauth_token=" .
+OAuthUtil::urlencode_rfc3986($this->key) .
+"&oauth_token_secret=" .
+OAuthUtil::urlencode_rfc3986($this->secret);
+}
+function __toString() {
+return $this->to_string();
+}
+}
+/**
+* A class for implementing a Signature Method
+* See section 9 ("Signing Requests") in the spec
+*/
+abstract class OAuthSignatureMethod {
+/**
+* Needs to return the name of the Signature Method (ie HMAC-SHA1)
+* @return string
+*/
+abstract public function get_name();
+/**
+* Build up the signature
+* NOTE: The output of this function MUST NOT be urlencoded.
+* the encoding is handled in OAuthRequest when the final
+* request is serialized
+* @param OAuthRequest $request
+* @param OAuthConsumer $consumer
+* @param OAuthToken $token
+* @return string
+*/
+abstract public function build_signature($request, $consumer, $token);
+/**
+* Verifies that a given signature is correct
+* @param OAuthRequest $request
+* @param OAuthConsumer $consumer
+* @param OAuthToken $token
+* @param string $signature
+* @return bool
+*/
+public function check_signature($request, $consumer, $token, $signature) {
+$built = $this->build_signature($request, $consumer, $token);
+return $built == $signature;
+}
+}
+/**
+* The HMAC-SHA1 signature method uses the HMAC-SHA1 signature algorithm as defined in [RFC2104]
+* where the Signature Base String is the text and the key is the concatenated values (each first
+* encoded per Parameter Encoding) of the Consumer Secret and Token Secret, separated by an '&'
+* character (ASCII code 38) even if empty.
+*   - Chapter 9.2 ("HMAC-SHA1")
+*/
+class OAuthSignatureMethod_HMAC_SHA1 extends OAuthSignatureMethod {
+function get_name() {
+return "HMAC-SHA1";
+}
+public function build_signature($request, $consumer, $token) {
+$base_string = $request->get_signature_base_string();
+$request->base_string = $base_string;
+$key_parts = array(
+$consumer->secret,
+($token) ? $token->secret : ""
+);
+$key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
+$key = implode('&', $key_parts);
+return base64_encode(hash_hmac('sha1', $base_string, $key, true));
+}
+}
+/**
+* The PLAINTEXT method does not provide any security protection and SHOULD only be used
+* over a secure channel such as HTTPS. It does not use the Signature Base String.
+*   - Chapter 9.4 ("PLAINTEXT")
+*/
+class OAuthSignatureMethod_PLAINTEXT extends OAuthSignatureMethod {
+public function get_name() {
+return "PLAINTEXT";
+}
+/**
+* oauth_signature is set to the concatenated encoded values of the Consumer Secret and
+* Token Secret, separated by a '&' character (ASCII code 38), even if either secret is
+* empty. The result MUST be encoded again.
+*   - Chapter 9.4.1 ("Generating Signatures")
+*
+* Please note that the second encoding MUST NOT happen in the SignatureMethod, as
+* OAuthRequest handles this!
+*/
+public function build_signature($request, $consumer, $token) {
+$key_parts = array(
+$consumer->secret,
+($token) ? $token->secret : ""
+);
+$key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
+$key = implode('&', $key_parts);
+$request->base_string = $key;
+return $key;
+}
+}
+/**
+* The RSA-SHA1 signature method uses the RSASSA-PKCS1-v1_5 signature algorithm as defined in
+* [RFC3447] section 8.2 (more simply known as PKCS#1), using SHA-1 as the hash function for
+* EMSA-PKCS1-v1_5. It is assumed that the Consumer has provided its RSA public key in a
+* verified way to the Service Provider, in a manner which is beyond the scope of this
+* specification.
+*   - Chapter 9.3 ("RSA-SHA1")
+*/
+abstract class OAuthSignatureMethod_RSA_SHA1 extends OAuthSignatureMethod {
+public function get_name() {
+return "RSA-SHA1";
+}
+// Up to the SP to implement this lookup of keys. Possible ideas are:
+// (1) do a lookup in a table of trusted certs keyed off of consumer
+// (2) fetch via http using a url provided by the requester
+// (3) some sort of specific discovery code based on request
+//
+// Either way should return a string representation of the certificate
+protected abstract function fetch_public_cert(&$request);
+// Up to the SP to implement this lookup of keys. Possible ideas are:
+// (1) do a lookup in a table of trusted certs keyed off of consumer
+//
+// Either way should return a string representation of the certificate
+protected abstract function fetch_private_cert(&$request);
+public function build_signature($request, $consumer, $token) {
+$base_string = $request->get_signature_base_string();
+$request->base_string = $base_string;
+// Fetch the private key cert based on the request
+$cert = $this->fetch_private_cert($request);
+// Pull the private key ID from the certificate
+$privatekeyid = openssl_get_privatekey($cert);
+// Sign using the key
+$ok = openssl_sign($base_string, $signature, $privatekeyid);
+// Release the key resource
+openssl_free_key($privatekeyid);
+return base64_encode($signature);
+}
+public function check_signature($request, $consumer, $token, $signature) {
+$decoded_sig = base64_decode($signature);
+$base_string = $request->get_signature_base_string();
+// Fetch the public key cert based on the request
+$cert = $this->fetch_public_cert($request);
+// Pull the public key ID from the certificate
+$publickeyid = openssl_get_publickey($cert);
+// Check the computed signature against the one passed in the query
+$ok = openssl_verify($base_string, $decoded_sig, $publickeyid);
+// Release the key resource
+openssl_free_key($publickeyid);
+return $ok == 1;
+}
+}
+class OAuthRequest {
+private $parameters;
+private $http_method;
+private $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 or $parameters = array();
+$parameters = array_merge( OAuthUtil::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 or $http_url = $scheme .
+'://' . $_SERVER['HTTP_HOST'] .
+':' .
+$_SERVER['SERVER_PORT'] .
+$_SERVER['REQUEST_URI'];
+@$http_method or $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"
+&& @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, $post_data);
+}
+// We have a Authorization-header with OAuth data. Parse the header
+// and add those overriding any duplicates from GET or POST
+if (@substr($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, $parameters);
+}
+/**
+* pretty much a helper function to set up the request
+*/
+public static function from_consumer_and_token($consumer, $token, $http_method, $http_url, $parameters=NULL) {
+@$parameters or $parameters = array();
+$defaults = array("oauth_version" => OAuthRequest::$version,
+"oauth_nonce" => OAuthRequest::generate_nonce(),
+"oauth_timestamp" => OAuthRequest::generate_timestamp(),
+"oauth_consumer_key" => $consumer->key);
+if ($token)
+$defaults['oauth_token'] = $token->key;
+$parameters = array_merge($defaults, $parameters);
+return new OAuthRequest($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($params['oauth_signature']);
+}
+return OAuthUtil::build_http_query($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()
+);
+$parts = OAuthUtil::urlencode_rfc3986($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);
+$port = @$parts['port'];
+$scheme = $parts['scheme'];
+$host = $parts['host'];
+$path = @$parts['path'];
+$port or $port = ($scheme == 'https') ? '443' : '80';
+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 $out;
+}
+/**
+* builds the data one would send in a POST request
+*/
+public function to_postdata() {
+return OAuthUtil::build_http_query($this->parameters);
+}
+/**
+* builds the Authorization: header
+*/
+public function to_header($realm=null) {
+$first = true;
+	if($realm) {
+$out = 'Authorization: OAuth realm="' . OAuthUtil::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 .= OAuthUtil::urlencode_rfc3986($k) .
+'="' .
+OAuthUtil::urlencode_rfc3986($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
+}
+}
+class OAuthServer {
+protected $timestamp_threshold = 300; // in seconds, five minutes
+protected $version = '1.0';             // hi blaine
+protected $signature_methods = array();
+protected $data_store;
+function __construct($data_store) {
+$this->data_store = $data_store;
+}
+public function add_signature_method($signature_method) {
+$this->signature_methods[$signature_method->get_name()] =
+$signature_method;
+}
+// high level functions
+/**
+* process a request_token request
+* returns the request token on success
+*/
+public function fetch_request_token(&$request) {
+$this->get_version($request);
+$consumer = $this->get_consumer($request);
+// no token required for the initial token request
+$token = NULL;
+$this->check_signature($request, $consumer, $token);
+// Rev A change
+$callback = $request->get_parameter('oauth_callback');
+$new_token = $this->data_store->new_request_token($consumer, $callback);
+return $new_token;
+}
+/**
+* process an access_token request
+* returns the access token on success
+*/
+public function fetch_access_token(&$request) {
+$this->get_version($request);
+$consumer = $this->get_consumer($request);
+// requires authorized request token
+$token = $this->get_token($request, $consumer, "request");
+$this->check_signature($request, $consumer, $token);
+// Rev A change
+$verifier = $request->get_parameter('oauth_verifier');
+$new_token = $this->data_store->new_access_token($token, $consumer, $verifier);
+return $new_token;
+}
+/**
+* verify an api call, checks all the parameters
+*/
+public function verify_request(&$request) {
+$this->get_version($request);
+$consumer = $this->get_consumer($request);
+$token = $this->get_token($request, $consumer, "access");
+$this->check_signature($request, $consumer, $token);
+return array($consumer, $token);
+}
+// Internals from here
+/**
+* version 1
+*/
+private function get_version(&$request) {
+$version = $request->get_parameter("oauth_version");
+if (!$version) {
+// Service Providers MUST assume the protocol version to be 1.0 if this parameter is not present.
+// Chapter 7.0 ("Accessing Protected Ressources")
+$version = '1.0';
+}
+if ($version !== $this->version) {
+throw new OAuthException("OAuth version '$version' not supported");
+}
+return $version;
+}
+/**
+* figure out the signature with some defaults
+*/
+private function get_signature_method(&$request) {
+$signature_method =
+@$request->get_parameter("oauth_signature_method");
+if (!$signature_method) {
+// According to chapter 7 ("Accessing Protected Ressources") the signature-method
+// parameter is required, and we can't just fallback to PLAINTEXT
+throw new OAuthException('No signature method parameter. This parameter is required');
+}
+if (!in_array($signature_method,
+array_keys($this->signature_methods))) {
+throw new OAuthException(
+"Signature method '$signature_method' not supported " .
+"try one of the following: " .
+implode(", ", array_keys($this->signature_methods))
+);
+}
+return $this->signature_methods[$signature_method];
+}
+/**
+* try to find the consumer for the provided request's consumer key
+*/
+private function get_consumer(&$request) {
+$consumer_key = @$request->get_parameter("oauth_consumer_key");
+if (!$consumer_key) {
+throw new OAuthException("Invalid consumer key");
+}
+$consumer = $this->data_store->lookup_consumer($consumer_key);
+if (!$consumer) {
+throw new OAuthException("Invalid consumer");
+}
+return $consumer;
+}
+/**
+* try to find the token for the provided request's token key
+*/
+private function get_token(&$request, $consumer, $token_type="access") {
+$token_field = @$request->get_parameter('oauth_token');
+$token = $this->data_store->lookup_token(
+$consumer, $token_type, $token_field
+);
+if (!$token) {
+throw new OAuthException("Invalid $token_type token: $token_field");
+}
+return $token;
+}
+/**
+* all-in-one function to check the signature on a request
+* should guess the signature method appropriately
+*/
+private function check_signature(&$request, $consumer, $token) {
+// this should probably be in a different method
+$timestamp = @$request->get_parameter('oauth_timestamp');
+$nonce = @$request->get_parameter('oauth_nonce');
+$this->check_timestamp($timestamp);
+$this->check_nonce($consumer, $token, $nonce, $timestamp);
+$signature_method = $this->get_signature_method($request);
+$signature = $request->get_parameter('oauth_signature');
+$valid_sig = $signature_method->check_signature(
+$request,
+$consumer,
+$token,
+$signature
+);
+if (!$valid_sig) {
+throw new OAuthException("Invalid signature");
+}
+}
+/**
+* check that the timestamp is new enough
+*/
+private function check_timestamp($timestamp) {
+if( ! $timestamp )
+throw new OAuthException(
+'Missing timestamp parameter. The parameter is required'
+);
+// verify that timestamp is recentish
+$now = time();
+if (abs($now - $timestamp) > $this->timestamp_threshold) {
+throw new OAuthException(
+"Expired timestamp, yours $timestamp, ours $now"
+);
+}
+}
+/**
+* check that the nonce is not repeated
+*/
+private function check_nonce($consumer, $token, $nonce, $timestamp) {
+if( ! $nonce )
+throw new OAuthException(
+'Missing nonce parameter. The parameter is required'
+);
+// verify that the nonce is uniqueish
+$found = $this->data_store->lookup_nonce(
+$consumer,
+$token,
+$nonce,
+$timestamp
+);
+if ($found) {
+throw new OAuthException("Nonce already used: $nonce");
+}
+}
+}
+class OAuthDataStore {
+function lookup_consumer($consumer_key) {
+// implement me
+}
+function lookup_token($consumer, $token_type, $token) {
+// implement me
+}
+function lookup_nonce($consumer, $token, $nonce, $timestamp) {
+// implement me
+}
+function new_request_token($consumer, $callback = null) {
+// return a new token attached to this consumer
+}
+function new_access_token($token, $consumer, $verifier = null) {
+// return a new access token attached to this consumer
+// for the user associated with this token if the request token
+// is authorized
+// should also invalidate the request token
+}
+}
+class OAuthUtil {
+public static function urlencode_rfc3986($input) {
+if (is_array($input)) {
+return array_map(array('OAuthUtil', '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[$h] = OAuthUtil::urldecode_rfc3986(empty($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 = OAuthUtil::urldecode_rfc3986($split[0]);
+$value = isset($split[1]) ? OAuthUtil::urldecode_rfc3986($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 = OAuthUtil::urlencode_rfc3986(array_keys($params));
+$values = OAuthUtil::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)
+natsort($value);
+foreach ($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);
+}
+}
+?>

Mercurial > hg > ywww

comparison goodreads/OAuth.php @ 6:077b0a0a3e6d