Version 3.1.4
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@@ -0,0 +1,22 @@
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Copyright (c) 2009 Abraham Williams - http://abrah.am - abraham@poseurte.ch
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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@@ -0,0 +1,777 @@
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<?php
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// vim: foldmethod=marker
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if ( ! @extension_loaded('OAuth') )
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{
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class OAuthException extends Exception {
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// pass
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}
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}
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class OAuthConsumer {
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public $key;
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public $secret;
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function __construct($key, $secret) {
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$this->key = $key;
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$this->secret = $secret;
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}
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function __toString() {
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return "OAuthConsumer[key=$this->key,secret=$this->secret]";
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}
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}
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class OAuthToken {
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// access tokens and request tokens
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public $key;
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public $secret;
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/**
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* key = the token
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* secret = the token secret
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*/
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function __construct($key, $secret) {
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$this->key = $key;
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$this->secret = $secret;
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}
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/**
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* generates the basic string serialization of a token that a server
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* would respond to request_token and access_token calls with
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*/
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function to_string() {
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return "oauth_token=" .
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OAuthUtil::urlencode_rfc3986($this->key) .
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"&oauth_token_secret=" .
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OAuthUtil::urlencode_rfc3986($this->secret);
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}
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function __toString() {
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return $this->to_string();
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}
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}
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class OAuthSignatureMethod {
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public function check_signature(&$request, $consumer, $token, $signature) {
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$built = $this->build_signature($request, $consumer, $token);
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return $built == $signature;
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}
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}
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class OAuthSignatureMethod_HMAC_SHA1 extends OAuthSignatureMethod {
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function get_name() {
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return "HMAC-SHA1";
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}
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public function build_signature($request, $consumer, $token) {
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$base_string = $request->get_signature_base_string();
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$request->base_string = $base_string;
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$key_parts = array(
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$consumer->secret,
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($token) ? $token->secret : ""
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);
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$key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
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$key = implode('&', $key_parts);
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return base64_encode(hash_hmac('sha1', $base_string, $key, true));
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}
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}
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class OAuthSignatureMethod_PLAINTEXT extends OAuthSignatureMethod {
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public function get_name() {
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return "PLAINTEXT";
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}
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public function build_signature($request, $consumer, $token) {
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$sig = array(
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OAuthUtil::urlencode_rfc3986($consumer->secret)
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);
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if ($token) {
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array_push($sig, OAuthUtil::urlencode_rfc3986($token->secret));
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} else {
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array_push($sig, '');
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}
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$raw = implode("&", $sig);
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// for debug purposes
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$request->base_string = $raw;
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return OAuthUtil::urlencode_rfc3986($raw);
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}
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}
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class OAuthSignatureMethod_RSA_SHA1 extends OAuthSignatureMethod {
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public function get_name() {
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return "RSA-SHA1";
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}
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protected function fetch_public_cert(&$request) {
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// not implemented yet, ideas are:
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// (1) do a lookup in a table of trusted certs keyed off of consumer
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// (2) fetch via http using a url provided by the requester
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// (3) some sort of specific discovery code based on request
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//
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// either way should return a string representation of the certificate
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throw Exception("fetch_public_cert not implemented");
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}
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protected function fetch_private_cert(&$request) {
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// not implemented yet, ideas are:
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// (1) do a lookup in a table of trusted certs keyed off of consumer
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//
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// either way should return a string representation of the certificate
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throw Exception("fetch_private_cert not implemented");
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}
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public function build_signature(&$request, $consumer, $token) {
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$base_string = $request->get_signature_base_string();
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$request->base_string = $base_string;
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// Fetch the private key cert based on the request
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$cert = $this->fetch_private_cert($request);
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// Pull the private key ID from the certificate
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$privatekeyid = openssl_get_privatekey($cert);
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// Sign using the key
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$ok = openssl_sign($base_string, $signature, $privatekeyid);
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// Release the key resource
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openssl_free_key($privatekeyid);
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return base64_encode($signature);
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}
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public function check_signature(&$request, $consumer, $token, $signature) {
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$decoded_sig = base64_decode($signature);
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$base_string = $request->get_signature_base_string();
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// Fetch the public key cert based on the request
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$cert = $this->fetch_public_cert($request);
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// Pull the public key ID from the certificate
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$publickeyid = openssl_get_publickey($cert);
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// Check the computed signature against the one passed in the query
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$ok = openssl_verify($base_string, $decoded_sig, $publickeyid);
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// Release the key resource
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openssl_free_key($publickeyid);
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return $ok == 1;
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}
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}
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class OAuthRequest {
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private $parameters;
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private $http_method;
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private $http_url;
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// for debug purposes
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public $base_string;
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public static $version = '1.0a';
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public static $POST_INPUT = 'php://input';
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function __construct($http_method, $http_url, $parameters=NULL) {
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@$parameters or $parameters = array();
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$this->parameters = $parameters;
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$this->http_method = $http_method;
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$this->http_url = $http_url;
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}
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/**
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* attempt to build up a request from what was passed to the server
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*/
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public static function from_request($http_method=NULL, $http_url=NULL, $parameters=NULL) {
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$scheme = (!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != "on")
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? 'http'
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: 'https';
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@$http_url or $http_url = $scheme .
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'://' . $_SERVER['HTTP_HOST'] .
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':' .
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$_SERVER['SERVER_PORT'] .
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$_SERVER['REQUEST_URI'];
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@$http_method or $http_method = $_SERVER['REQUEST_METHOD'];
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// We weren't handed any parameters, so let's find the ones relevant to
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// this request.
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// If you run XML-RPC or similar you should use this to provide your own
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// parsed parameter-list
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if (!$parameters) {
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// Find request headers
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$request_headers = OAuthUtil::get_headers();
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// Parse the query-string to find GET parameters
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$parameters = OAuthUtil::parse_parameters($_SERVER['QUERY_STRING']);
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// It's a POST request of the proper content-type, so parse POST
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// parameters and add those overriding any duplicates from GET
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if ($http_method == "POST"
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&& @strstr($request_headers["Content-Type"],
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"application/x-www-form-urlencoded")
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) {
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$post_data = OAuthUtil::parse_parameters(
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file_get_contents(self::$POST_INPUT)
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);
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$parameters = array_merge($parameters, $post_data);
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}
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// We have a Authorization-header with OAuth data. Parse the header
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// and add those overriding any duplicates from GET or POST
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if (@substr($request_headers['Authorization'], 0, 6) == "OAuth ") {
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$header_parameters = OAuthUtil::split_header(
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$request_headers['Authorization']
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);
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$parameters = array_merge($parameters, $header_parameters);
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}
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}
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return new OAuthRequest($http_method, $http_url, $parameters);
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}
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/**
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* pretty much a helper function to set up the request
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*/
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public static function from_consumer_and_token($consumer, $token, $http_method, $http_url, $parameters=NULL) {
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@$parameters or $parameters = array();
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$defaults = array("oauth_version" => OAuthRequest::$version,
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"oauth_nonce" => OAuthRequest::generate_nonce(),
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"oauth_timestamp" => OAuthRequest::generate_timestamp(),
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"oauth_consumer_key" => $consumer->key);
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if ($token)
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$defaults['oauth_token'] = $token->key;
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$parameters = array_merge($defaults, $parameters);
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return new OAuthRequest($http_method, $http_url, $parameters);
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}
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public function set_parameter($name, $value, $allow_duplicates = true) {
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if ($allow_duplicates && isset($this->parameters[$name])) {
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// We have already added parameter(s) with this name, so add to the list
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if (is_scalar($this->parameters[$name])) {
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// This is the first duplicate, so transform scalar (string)
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// into an array so we can add the duplicates
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$this->parameters[$name] = array($this->parameters[$name]);
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}
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$this->parameters[$name][] = $value;
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} else {
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$this->parameters[$name] = $value;
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}
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}
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public function get_parameter($name) {
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return isset($this->parameters[$name]) ? $this->parameters[$name] : null;
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}
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public function get_parameters() {
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return $this->parameters;
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}
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public function unset_parameter($name) {
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unset($this->parameters[$name]);
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}
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/**
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* The request parameters, sorted and concatenated into a normalized string.
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* @return string
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*/
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public function get_signable_parameters() {
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// Grab all parameters
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$params = $this->parameters;
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// Remove oauth_signature if present
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// Ref: Spec: 9.1.1 ("The oauth_signature parameter MUST be excluded.")
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if (isset($params['oauth_signature'])) {
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unset($params['oauth_signature']);
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}
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return OAuthUtil::build_http_query($params);
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}
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/**
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* Returns the base string of this request
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*
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* The base string defined as the method, the url
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* and the parameters (normalized), each urlencoded
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* and the concated with &.
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*/
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public function get_signature_base_string() {
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$parts = array(
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$this->get_normalized_http_method(),
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$this->get_normalized_http_url(),
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$this->get_signable_parameters()
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);
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$parts = OAuthUtil::urlencode_rfc3986($parts);
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return implode('&', $parts);
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}
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/**
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* just uppercases the http method
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*/
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public function get_normalized_http_method() {
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return strtoupper($this->http_method);
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}
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/**
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* parses the url and rebuilds it to be
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* scheme://host/path
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*/
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public function get_normalized_http_url() {
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$parts = parse_url($this->http_url);
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$port = @$parts['port'];
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$scheme = $parts['scheme'];
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$host = $parts['host'];
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$path = @$parts['path'];
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$port or $port = ($scheme == 'https') ? '443' : '80';
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if (($scheme == 'https' && $port != '443')
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|| ($scheme == 'http' && $port != '80')) {
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$host = "$host:$port";
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}
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return "$scheme://$host$path";
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}
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/**
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* builds a url usable for a GET request
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*/
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public function to_url() {
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$post_data = $this->to_postdata();
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$out = $this->get_normalized_http_url();
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if ($post_data) {
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$out .= '?'.$post_data;
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}
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return $out;
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}
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/**
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* builds the data one would send in a POST request
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*/
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public function to_postdata() {
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return OAuthUtil::build_http_query($this->parameters);
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}
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/**
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* builds the Authorization: header
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*/
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public function to_header() {
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$out ='Authorization: OAuth realm=""';
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$total = array();
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foreach ($this->parameters as $k => $v) {
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if (substr($k, 0, 5) != "oauth") continue;
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if (is_array($v)) {
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throw new OAuthException('Arrays not supported in headers');
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}
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$out .= ',' .
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OAuthUtil::urlencode_rfc3986($k) .
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'="' .
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OAuthUtil::urlencode_rfc3986($v) .
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'"';
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}
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return $out;
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||||
}
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public function __toString() {
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return $this->to_url();
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}
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|
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public function sign_request($signature_method, $consumer, $token) {
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$this->set_parameter(
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"oauth_signature_method",
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$signature_method->get_name(),
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false
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);
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$signature = $this->build_signature($signature_method, $consumer, $token);
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$this->set_parameter("oauth_signature", $signature, false);
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}
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public function build_signature($signature_method, $consumer, $token) {
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$signature = $signature_method->build_signature($this, $consumer, $token);
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return $signature;
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||||
}
|
||||
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||||
/**
|
||||
* util function: current timestamp
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||||
*/
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private static function generate_timestamp() {
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return time();
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||||
}
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||||
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||||
/**
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* util function: current nonce
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||||
*/
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private static function generate_nonce() {
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$mt = microtime();
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||||
$rand = mt_rand();
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||||
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||||
return md5($mt . $rand); // md5s look nicer than numbers
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||||
}
|
||||
}
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||||
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||||
class OAuthServer {
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||||
protected $timestamp_threshold = 300; // in seconds, five minutes
|
||||
protected $version = 1.0; // hi blaine
|
||||
protected $signature_methods = array();
|
||||
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||||
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);
|
||||
|
||||
$new_token = $this->data_store->new_request_token($consumer);
|
||||
|
||||
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);
|
||||
|
||||
$new_token = $this->data_store->new_access_token($token, $consumer);
|
||||
|
||||
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) {
|
||||
$version = 1.0;
|
||||
}
|
||||
if ($version && $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) {
|
||||
$signature_method = "PLAINTEXT";
|
||||
}
|
||||
if (!in_array($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) {
|
||||
// verify that timestamp is recentish
|
||||
$now = time();
|
||||
if ($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) {
|
||||
// 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) {
|
||||
// return a new token attached to this consumer
|
||||
}
|
||||
|
||||
function new_access_token($token, $consumer) {
|
||||
// return a new access token attached to this consumer
|
||||
// for the user associated with this token if the request token
|
||||
// is authorized
|
||||
// should also invalidate the request token
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
class OAuthUtil {
|
||||
public static function urlencode_rfc3986($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($string);
|
||||
}
|
||||
|
||||
// Utility function for turning the Authorization: header into
|
||||
// parameters, has to do some unescaping
|
||||
// Can filter out any non-oauth parameters if needed (default behaviour)
|
||||
public static function split_header($header, $only_allow_oauth_parameters = true) {
|
||||
$pattern = '/(([-_a-z]*)=("([^"]*)"|([^,]*)),?)/';
|
||||
$offset = 0;
|
||||
$params = array();
|
||||
while (preg_match($pattern, $header, $matches, PREG_OFFSET_CAPTURE, $offset) > 0) {
|
||||
$match = $matches[0];
|
||||
$header_name = $matches[2][0];
|
||||
$header_content = (isset($matches[5])) ? $matches[5][0] : $matches[4][0];
|
||||
if (preg_match('/^oauth_/', $header_name) || !$only_allow_oauth_parameters) {
|
||||
$params[$header_name] = OAuthUtil::urldecode_rfc3986($header_content);
|
||||
}
|
||||
$offset = $match[1] + strlen($match[0]);
|
||||
}
|
||||
|
||||
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
|
||||
return apache_request_headers();
|
||||
}
|
||||
// otherwise we don't have apache and are just going to have to hope
|
||||
// that $_SERVER actually contains what we need
|
||||
$out = array();
|
||||
foreach ($_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 = split('&', $input);
|
||||
|
||||
$parsed_parameters = array();
|
||||
foreach ($pairs as $pair) {
|
||||
$split = split('=', $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);
|
||||
}
|
||||
}
|
||||
|
||||
?>
|
||||
@@ -0,0 +1,10 @@
|
||||
<html>
|
||||
<head><title>IP.Board - Bulletin Board System</title></head>
|
||||
<body>
|
||||
<h1>403: IP.Board -> Forbidden</h1>
|
||||
<hr>
|
||||
You have reached this page in error, please use your back button to return to the forum.
|
||||
<hr>
|
||||
<a href="http://www.invisionboard.com/">IP.Board</a>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,310 @@
|
||||
<?php
|
||||
/*
|
||||
* Abraham Williams (abraham@abrah.am) http://abrah.am
|
||||
*
|
||||
* Basic lib to work with Twitter's OAuth beta. This is untested and should not
|
||||
* be used in production code. Twitter's beta could change at anytime.
|
||||
*
|
||||
* Code based on:
|
||||
* Fire Eagle code - http://github.com/myelin/fireeagle-php-lib
|
||||
* twitterlibphp - http://github.com/jdp/twitterlibphp
|
||||
*
|
||||
* Modified by Matt Mecham (Invision Power Services)
|
||||
* - Option to return json_decode in ARRAY not OBJ
|
||||
* - Added POST / sockets fall back if curl disabled
|
||||
*/
|
||||
|
||||
/* Load OAuth lib. You can find it at http://oauth.net */
|
||||
require_once('OAuth.php');
|
||||
|
||||
/**
|
||||
* Twitter OAuth class
|
||||
*/
|
||||
class TwitterOAuth {
|
||||
/* Contains the last HTTP status code returned */
|
||||
public $http_code;
|
||||
/* Contains the last API call */
|
||||
public $last_api_call;
|
||||
/* Set up the API root URL */
|
||||
public $host = "https://api.twitter.com/1/";
|
||||
/* Set timeout default */
|
||||
public $timeout = 30;
|
||||
/* Set connect timeout */
|
||||
public $connecttimeout = 30;
|
||||
/* Verify SSL Cert */
|
||||
public $ssl_verifypeer = FALSE;
|
||||
/* Respons format */
|
||||
public $format = 'json';
|
||||
/* Decode returne json data */
|
||||
public $decode_json = TRUE;
|
||||
/* Allow decoded JSON to be return as an array */
|
||||
public $json_as_array = TRUE;
|
||||
/* Immediately retry the API call if the response was not successful. */
|
||||
//public $retry = TRUE;
|
||||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Set API URLS
|
||||
*/
|
||||
function accessTokenURL() { return 'https://twitter.com/oauth/access_token'; }
|
||||
function authenticateURL() { return 'https://twitter.com/oauth/authenticate'; }
|
||||
function authorizeURL() { return 'https://twitter.com/oauth/authorize'; }
|
||||
function requestTokenURL() { return 'https://twitter.com/oauth/request_token'; }
|
||||
|
||||
/**
|
||||
* Debug helpers
|
||||
*/
|
||||
function lastStatusCode() { return $this->http_status; }
|
||||
function lastAPICall() { return $this->last_api_call; }
|
||||
|
||||
/**
|
||||
* construct TwitterOAuth object
|
||||
*/
|
||||
function __construct($consumer_key, $consumer_secret, $oauth_token = NULL, $oauth_token_secret = NULL) {
|
||||
$this->sha1_method = new OAuthSignatureMethod_HMAC_SHA1();
|
||||
$this->consumer = new OAuthConsumer($consumer_key, $consumer_secret);
|
||||
if (!empty($oauth_token) && !empty($oauth_token_secret)) {
|
||||
$this->token = new OAuthConsumer($oauth_token, $oauth_token_secret);
|
||||
} else {
|
||||
$this->token = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Get a request_token from Twitter
|
||||
*
|
||||
* @returns a key/value array containing oauth_token and oauth_token_secret
|
||||
*/
|
||||
function getRequestToken($oauth_callback = NULL) {
|
||||
$parameters = array();
|
||||
if (!empty($oauth_callback)) {
|
||||
$parameters['oauth_callback'] = $oauth_callback;
|
||||
}
|
||||
$request = $this->oAuthRequest($this->requestTokenURL(), 'GET', $parameters);
|
||||
$token = OAuthUtil::parse_parameters($request);
|
||||
$this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']);
|
||||
return $token;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the authorize URL
|
||||
*
|
||||
* @returns a string
|
||||
*/
|
||||
function getAuthorizeURL($token, $sign_in_with_twitter = TRUE) {
|
||||
if (is_array($token)) {
|
||||
$token = $token['oauth_token'];
|
||||
}
|
||||
if (empty($sign_in_with_twitter)) {
|
||||
return $this->authorizeURL() . "?oauth_token={$token}";
|
||||
} else {
|
||||
return $this->authenticateURL() . "?oauth_token={$token}";
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Exchange the request token and secret for an access token and
|
||||
* secret, to sign API calls.
|
||||
*
|
||||
* @returns array("oauth_token" => the access token,
|
||||
* "oauth_token_secret" => the access secret)
|
||||
*/
|
||||
function getAccessToken($oauth_verifier = FALSE) {
|
||||
$parameters = array();
|
||||
if (!empty($oauth_verifier)) {
|
||||
$parameters['oauth_verifier'] = $oauth_verifier;
|
||||
}
|
||||
$request = $this->oAuthRequest($this->accessTokenURL(), 'GET', $parameters);
|
||||
$token = OAuthUtil::parse_parameters($request);
|
||||
$this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']);
|
||||
return $token;
|
||||
}
|
||||
|
||||
/**
|
||||
* GET wrappwer for oAuthRequest.
|
||||
*/
|
||||
function get($url, $parameters = array()) {
|
||||
$response = $this->oAuthRequest($url, 'GET', $parameters);
|
||||
if ($this->format === 'json' && $this->decode_json) {
|
||||
return json_decode($response, $this->json_as_array);
|
||||
}
|
||||
return $response;
|
||||
}
|
||||
|
||||
/**
|
||||
* POST wreapper for oAuthRequest.
|
||||
*/
|
||||
function post($url, $parameters = array()) {
|
||||
$response = $this->oAuthRequest($url, 'POST', $parameters);
|
||||
if ($this->format === 'json' && $this->decode_json) {
|
||||
return json_decode($response, $this->json_as_array);
|
||||
}
|
||||
return $response;
|
||||
}
|
||||
|
||||
/**
|
||||
* DELTE wrapper for oAuthReqeust.
|
||||
*/
|
||||
function delete($url, $parameters = array()) {
|
||||
$response = $this->oAuthRequest($url, 'DELETE', $parameters);
|
||||
if ($this->format === 'json' && $this->decode_json) {
|
||||
return json_decode($response, $this->json_as_array);
|
||||
}
|
||||
return $response;
|
||||
}
|
||||
|
||||
/**
|
||||
* Format and sign an OAuth / API request
|
||||
*/
|
||||
function oAuthRequest($url, $method, $parameters) {
|
||||
if (strrpos($url, 'https://') !== 0 && strrpos($url, 'http://') !== 0) {
|
||||
$url = "{$this->host}{$url}.{$this->format}";
|
||||
}
|
||||
$request = OAuthRequest::from_consumer_and_token($this->consumer, $this->token, $method, $url, $parameters);
|
||||
$request->sign_request($this->sha1_method, $this->consumer, $this->token);
|
||||
switch ($method) {
|
||||
case 'GET':
|
||||
return $this->http($request->to_url(), 'GET');
|
||||
default:
|
||||
return $this->http($request->get_normalized_http_url(), $method, $request->to_postdata());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Make an HTTP request
|
||||
*
|
||||
* @return API results
|
||||
*/
|
||||
function http($url, $method, $postfields = NULL) {
|
||||
|
||||
if ( function_exists( 'curl_init' ) AND function_exists("curl_exec") )
|
||||
{
|
||||
$ci = curl_init();
|
||||
/* Curl settings */
|
||||
curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, $this->connecttimeout);
|
||||
curl_setopt($ci, CURLOPT_TIMEOUT, $this->timeout);
|
||||
curl_setopt($ci, CURLOPT_RETURNTRANSFER, TRUE);
|
||||
curl_setopt($ci, CURLOPT_HTTPHEADER, array('Expect:'));
|
||||
curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, $this->ssl_verifypeer);
|
||||
|
||||
switch ($method) {
|
||||
case 'POST':
|
||||
curl_setopt($ci, CURLOPT_POST, TRUE);
|
||||
if (!empty($postfields)) {
|
||||
curl_setopt($ci, CURLOPT_POSTFIELDS, $postfields);
|
||||
}
|
||||
break;
|
||||
case 'DELETE':
|
||||
curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'DELETE');
|
||||
if (!empty($postfields)) {
|
||||
$url = "{$url}?{$postfields}";
|
||||
}
|
||||
}
|
||||
|
||||
curl_setopt($ci, CURLOPT_URL, $url);
|
||||
$response = curl_exec($ci);
|
||||
$this->http_code = curl_getinfo($ci, CURLINFO_HTTP_CODE);
|
||||
$this->last_api_call = $url;
|
||||
curl_close ($ci);
|
||||
|
||||
if( $response )
|
||||
{
|
||||
return $response;
|
||||
}
|
||||
}
|
||||
|
||||
$url_parts = @parse_url($url);
|
||||
|
||||
if ( ! $postfields )
|
||||
{
|
||||
$_c = str_replace( '&', '&', $url_parts['query'] );
|
||||
$_a = array();
|
||||
|
||||
foreach( explode( '&', $_c ) as $meh )
|
||||
{
|
||||
list( $k, $v ) = explode( '=', $meh );
|
||||
|
||||
$_a[ $k ] = urldecode( $v );
|
||||
}
|
||||
|
||||
$postfields = http_build_query( $_a );
|
||||
}
|
||||
|
||||
if ( $method != 'POST' )
|
||||
{
|
||||
$data = @file_get_contents( $url );
|
||||
|
||||
$this->http_code = ( strstr( $data, 'oauth_token' ) ) ? 200 : 401;
|
||||
$this->last_api_call = $url;
|
||||
|
||||
return trim( $data );
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Use SSL rather than https */
|
||||
$url_parts['scheme'] = ( $url_parts['scheme'] == 'https' ) ? 'ssl' : $url_parts['scheme'];
|
||||
|
||||
$host = $url_parts['scheme'] . '://' . $url_parts['host'];
|
||||
$port = ( isset($url_parts['port']) ) ? $url_parts['port'] : ( $url_parts['scheme'] == 'https' || $url_parts['scheme'] == 'ssl' ? 443 : 80 );
|
||||
|
||||
if ( !empty( $url_parts["path"] ) )
|
||||
{
|
||||
$path = $url_parts["path"];
|
||||
}
|
||||
else
|
||||
{
|
||||
$path = "/";
|
||||
}
|
||||
|
||||
$header = "$method {$path} HTTP/1.0\r\n";
|
||||
$header .= "User-Agent: Twitter\r\n";
|
||||
$header .= "Host: " . str_replace( array( 'http://', 'https://', 'ssl://' ), '', $host ) . "\r\n";
|
||||
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
|
||||
$header .= "Content-Length: " . strlen($postfields) . "\r\n\r\n";
|
||||
|
||||
if ( $fp = fsockopen( $host, $port, $errno, $errstr, $this->timeout ) )
|
||||
{
|
||||
socket_set_timeout($fp, $this->timeout);
|
||||
|
||||
fwrite($fp, $header . $postfields);
|
||||
|
||||
while( ! feof($fp) && ! $status['timed_out'] )
|
||||
{
|
||||
$data .= fgets ($fp,8192);
|
||||
$status = stream_get_meta_data($fp);
|
||||
}
|
||||
|
||||
fclose($fp);
|
||||
}
|
||||
|
||||
/* Strip headers HTTP/1.1 ### ABCD */
|
||||
$this->http_code = substr( $data, 9, 3 );
|
||||
$this->last_api_call = $url;
|
||||
|
||||
/* Chuncked? */
|
||||
|
||||
$_chunked = false;
|
||||
|
||||
if( preg_match( "/Transfer\-Encoding:\s*chunked/i", $data ) )
|
||||
{
|
||||
$_chunked = true;
|
||||
}
|
||||
|
||||
$tmp = explode("\r\n\r\n", $data, 2);
|
||||
$data = trim($tmp[1]);
|
||||
|
||||
if( $_chunked )
|
||||
{
|
||||
$lines = explode( "\n", $data );
|
||||
array_pop($lines);
|
||||
array_shift($lines);
|
||||
$data = implode( "\n", $lines );
|
||||
}
|
||||
|
||||
return $data;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user