commit b8f35ff8e1ae4bebd695d799e802088477ad5233
parent 082b78425e13147344de5c0b598d4bb5324c2312
Author: dankert <devnull@localhost>
Date: Wed, 9 Jul 2014 00:01:45 +0200
Anbindung von Twitter und Facebook als Linkempfänger.
Diffstat:
7 files changed, 2398 insertions(+), 3 deletions(-)
diff --git a/blog.php b/blog.php
@@ -13,13 +13,16 @@ if ($dh = opendir('./profiles'))
continue;
$blogger = new Blogger();
- if ( $config['debug'] ) echo "<h2>Profile: $file</h2>";
+ if ( $config['debug'] ) echo "<h1>Profile: $file</h1>";
$blogger->config = $config;
$blogger->debug = $config['debug'];
+ echo "<h2>Step 1: Pulling</h2>";
$blogger->pull();
+ echo "<h2>Step 2: CMS</h2>";
$blogger->pushToCMS();
+ echo "<h2>Step 3: Networks</h2>";
$blogger->pushToNetwork();
}
}
@@ -153,7 +156,7 @@ class Blogger {
$className = substr($file,0,strlen($file)-10);
if ( $this->debug )
- echo "Network-Plugin: "+$className;
+ echo "<h3>Network-Plugin: ".$className.'</h3>';
if ( isset($this->config[strtolower($className)] ))
{
diff --git a/network/Facebook.class.php b/network/Facebook.class.php
@@ -3,9 +3,35 @@
class Facebook
{
public $config;
+ public $debug;
+
+ public $url;
+ public $shortUrl;
+ public $text;
+ public $subject;
+
public function push()
{
+ require_once('network/facebook/facebook.php');
+
+ $facebook = new FacebookApi( array('appId'=>$this->config['app_id'],'secret'=>$this->config['app_secret']) );
+ $facebook->api_client->session_key = $this->config['session_key'];
+
+ $text = strlen($this->text)>100 ? substr($this->text,0,100).' ...' : $this->text;
+
+ $attachment = array('message' => $this->config['praefix_text'].' '.$this->subject,
+ 'name' => $this->subject,
+ 'link' => $this->url,
+ 'description' => $text
+ );
+ $attachment['access_token'] = $this->config['access_token'];
+
+ if(!($sendMessage = $facebook->api('/jan.dunkerbeck/feed/','post',$attachment))){
+ $errors= error_get_last();
+ echo "Facebook publish error: ".$errors['type'];
+ echo "<br />\n".$errors['message'];
+ }
}
}
diff --git a/network/Twitter.class.php b/network/Twitter.class.php
@@ -3,10 +3,38 @@
class Twitter
{
public $config;
+ public $debug;
+ public $url;
+ public $shortUrl;
+ public $text;
+ public $subject;
+
public function push()
{
-
+ require_once('network/twitter/twitteroauth.php');
+
+ $connection = new TwitterOAuth($this->config['consumer_key'],$this->config['consumer_secret'],$this->config['oauth_token'],$this->config['oauth_token_secret']);
+
+ /* If method is set change API call made. Test is called by default. */
+
+ //$content = $connection->get(‘account/verify_credentials’);
+
+ /* Some example calls */
+
+ $praefix = $this->config['praefix_text'].' ';
+ $suffix = ' '.$this->shortUrl.' '.$this->config['suffix_text'];
+ $text = $praefix.substr($this->subject,0,140-strlen($praefix)-strlen($suffix)).$suffix;
+
+ $result = $connection->post('statuses/update', array('status' => $text));
+
+ if ( $this->debug )
+ {
+ echo '<pre>';
+ print_r( $result );
+ echo '</pre>';
+ }
+
}
}
?>
\ No newline at end of file
diff --git a/network/facebook/base_facebook.php b/network/facebook/base_facebook.php
@@ -0,0 +1,1126 @@
+<?php
+/**
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+
+if (!function_exists('curl_init')) {
+ throw new Exception('Facebook needs the CURL PHP extension.');
+}
+if (!function_exists('json_decode')) {
+ throw new Exception('Facebook needs the JSON PHP extension.');
+}
+
+/**
+ * Thrown when an API call returns an exception.
+ *
+ * @author Naitik Shah <naitik@facebook.com>
+ */
+class FacebookApiException extends Exception
+{
+ /**
+ * The result from the API server that represents the exception information.
+ */
+ protected $result;
+
+ /**
+ * Make a new API Exception with the given result.
+ *
+ * @param array $result The result from the API server
+ */
+ public function __construct($result) {
+ $this->result = $result;
+
+ $code = isset($result['error_code']) ? $result['error_code'] : 0;
+
+ if (isset($result['error_description'])) {
+ // OAuth 2.0 Draft 10 style
+ $msg = $result['error_description'];
+ } else if (isset($result['error']) && is_array($result['error'])) {
+ // OAuth 2.0 Draft 00 style
+ $msg = $result['error']['message'];
+ } else if (isset($result['error_msg'])) {
+ // Rest server style
+ $msg = $result['error_msg'];
+ } else {
+ $msg = 'Unknown Error. Check getResult()';
+ }
+
+ parent::__construct($msg, $code);
+ }
+
+ /**
+ * Return the associated result object returned by the API server.
+ *
+ * @return array The result from the API server
+ */
+ public function getResult() {
+ return $this->result;
+ }
+
+ /**
+ * Returns the associated type for the error. This will default to
+ * 'Exception' when a type is not available.
+ *
+ * @return string
+ */
+ public function getType() {
+ if (isset($this->result['error'])) {
+ $error = $this->result['error'];
+ if (is_string($error)) {
+ // OAuth 2.0 Draft 10 style
+ return $error;
+ } else if (is_array($error)) {
+ // OAuth 2.0 Draft 00 style
+ if (isset($error['type'])) {
+ return $error['type'];
+ }
+ }
+ }
+
+ return 'Exception';
+ }
+
+ /**
+ * To make debugging easier.
+ *
+ * @return string The string representation of the error
+ */
+ public function __toString() {
+ $str = $this->getType() . ': ';
+ if ($this->code != 0) {
+ $str .= $this->code . ': ';
+ }
+ return $str . $this->message;
+ }
+}
+
+/**
+ * Provides access to the Facebook Platform. This class provides
+ * a majority of the functionality needed, but the class is abstract
+ * because it is designed to be sub-classed. The subclass must
+ * implement the four abstract methods listed at the bottom of
+ * the file.
+ *
+ * @author Naitik Shah <naitik@facebook.com>
+ */
+abstract class BaseFacebook
+{
+ /**
+ * Version.
+ */
+ const VERSION = '3.1.1';
+
+ /**
+ * Default options for curl.
+ */
+ public static $CURL_OPTS = array(
+ CURLOPT_CONNECTTIMEOUT => 10,
+ CURLOPT_RETURNTRANSFER => true,
+ CURLOPT_TIMEOUT => 60,
+ CURLOPT_USERAGENT => 'facebook-php-3.1',
+ );
+
+ /**
+ * List of query parameters that get automatically dropped when rebuilding
+ * the current URL.
+ */
+ protected static $DROP_QUERY_PARAMS = array(
+ 'code',
+ 'state',
+ 'signed_request',
+ );
+
+ /**
+ * Maps aliases to Facebook domains.
+ */
+ public static $DOMAIN_MAP = array(
+ 'api' => 'https://api.facebook.com/',
+ 'api_video' => 'https://api-video.facebook.com/',
+ 'api_read' => 'https://api-read.facebook.com/',
+ 'graph' => 'https://graph.facebook.com/',
+ 'www' => 'https://www.facebook.com/',
+ );
+
+ /**
+ * The Application ID.
+ *
+ * @var string
+ */
+ protected $appId;
+
+ /**
+ * The Application API Secret.
+ *
+ * @var string
+ */
+ protected $apiSecret;
+
+ /**
+ * The ID of the Facebook user, or 0 if the user is logged out.
+ *
+ * @var integer
+ */
+ protected $user;
+
+ /**
+ * The data from the signed_request token.
+ */
+ protected $signedRequest;
+
+ /**
+ * A CSRF state variable to assist in the defense against CSRF attacks.
+ */
+ protected $state;
+
+ /**
+ * The OAuth access token received in exchange for a valid authorization
+ * code. null means the access token has yet to be determined.
+ *
+ * @var string
+ */
+ protected $accessToken = null;
+
+ /**
+ * Indicates if the CURL based @ syntax for file uploads is enabled.
+ *
+ * @var boolean
+ */
+ protected $fileUploadSupport = false;
+
+ /**
+ * Initialize a Facebook Application.
+ *
+ * The configuration:
+ * - appId: the application ID
+ * - secret: the application secret
+ * - fileUpload: (optional) boolean indicating if file uploads are enabled
+ *
+ * @param array $config The application configuration
+ */
+ public function __construct($config) {
+ $this->setAppId($config['appId']);
+ $this->setApiSecret($config['secret']);
+ if (isset($config['fileUpload'])) {
+ $this->setFileUploadSupport($config['fileUpload']);
+ }
+
+ $state = $this->getPersistentData('state');
+ if (!empty($state)) {
+ $this->state = $this->getPersistentData('state');
+ }
+ }
+
+ /**
+ * Set the Application ID.
+ *
+ * @param string $appId The Application ID
+ * @return BaseFacebook
+ */
+ public function setAppId($appId) {
+ $this->appId = $appId;
+ return $this;
+ }
+
+ /**
+ * Get the Application ID.
+ *
+ * @return string the Application ID
+ */
+ public function getAppId() {
+ return $this->appId;
+ }
+
+ /**
+ * Set the API Secret.
+ *
+ * @param string $apiSecret The API Secret
+ * @return BaseFacebook
+ */
+ public function setApiSecret($apiSecret) {
+ $this->apiSecret = $apiSecret;
+ return $this;
+ }
+
+ /**
+ * Get the API Secret.
+ *
+ * @return string the API Secret
+ */
+ public function getApiSecret() {
+ return $this->apiSecret;
+ }
+
+ /**
+ * Set the file upload support status.
+ *
+ * @param boolean $fileUploadSupport The file upload support status.
+ * @return BaseFacebook
+ */
+ public function setFileUploadSupport($fileUploadSupport) {
+ $this->fileUploadSupport = $fileUploadSupport;
+ return $this;
+ }
+
+ /**
+ * Get the file upload support status.
+ *
+ * @return boolean true if and only if the server supports file upload.
+ */
+ public function useFileUploadSupport() {
+ return $this->fileUploadSupport;
+ }
+
+ /**
+ * Sets the access token for api calls. Use this if you get
+ * your access token by other means and just want the SDK
+ * to use it.
+ *
+ * @param string $access_token an access token.
+ * @return BaseFacebook
+ */
+ public function setAccessToken($access_token) {
+ $this->accessToken = $access_token;
+ return $this;
+ }
+
+ /**
+ * Determines the access token that should be used for API calls.
+ * The first time this is called, $this->accessToken is set equal
+ * to either a valid user access token, or it's set to the application
+ * access token if a valid user access token wasn't available. Subsequent
+ * calls return whatever the first call returned.
+ *
+ * @return string The access token
+ */
+ public function getAccessToken() {
+ if ($this->accessToken !== null) {
+ // we've done this already and cached it. Just return.
+ return $this->accessToken;
+ }
+
+ // first establish access token to be the application
+ // access token, in case we navigate to the /oauth/access_token
+ // endpoint, where SOME access token is required.
+ $this->setAccessToken($this->getApplicationAccessToken());
+ if ($user_access_token = $this->getUserAccessToken()) {
+ $this->setAccessToken($user_access_token);
+ }
+
+ return $this->accessToken;
+ }
+
+ /**
+ * Determines and returns the user access token, first using
+ * the signed request if present, and then falling back on
+ * the authorization code if present. The intent is to
+ * return a valid user access token, or false if one is determined
+ * to not be available.
+ *
+ * @return string A valid user access token, or false if one
+ * could not be determined.
+ */
+ protected function getUserAccessToken() {
+ // first, consider a signed request if it's supplied.
+ // if there is a signed request, then it alone determines
+ // the access token.
+ $signed_request = $this->getSignedRequest();
+ if ($signed_request) {
+ // apps.facebook.com hands the access_token in the signed_request
+ if (array_key_exists('oauth_token', $signed_request)) {
+ $access_token = $signed_request['oauth_token'];
+ $this->setPersistentData('access_token', $access_token);
+ return $access_token;
+ }
+
+ // the JS SDK puts a code in with the redirect_uri of ''
+ if (array_key_exists('code', $signed_request)) {
+ $code = $signed_request['code'];
+ $access_token = $this->getAccessTokenFromCode($code, '');
+ if ($access_token) {
+ $this->setPersistentData('code', $code);
+ $this->setPersistentData('access_token', $access_token);
+ return $access_token;
+ }
+ }
+
+ // signed request states there's no access token, so anything
+ // stored should be cleared.
+ $this->clearAllPersistentData();
+ return false; // respect the signed request's data, even
+ // if there's an authorization code or something else
+ }
+
+ $code = $this->getCode();
+ if ($code && $code != $this->getPersistentData('code')) {
+ $access_token = $this->getAccessTokenFromCode($code);
+ if ($access_token) {
+ $this->setPersistentData('code', $code);
+ $this->setPersistentData('access_token', $access_token);
+ return $access_token;
+ }
+
+ // code was bogus, so everything based on it should be invalidated.
+ $this->clearAllPersistentData();
+ return false;
+ }
+
+ // as a fallback, just return whatever is in the persistent
+ // store, knowing nothing explicit (signed request, authorization
+ // code, etc.) was present to shadow it (or we saw a code in $_REQUEST,
+ // but it's the same as what's in the persistent store)
+ return $this->getPersistentData('access_token');
+ }
+
+ /**
+ * Retrieve the signed request, either from a request parameter or,
+ * if not present, from a cookie.
+ *
+ * @return string the signed request, if available, or null otherwise.
+ */
+ public function getSignedRequest() {
+ if (!$this->signedRequest) {
+ if (isset($_REQUEST['signed_request'])) {
+ $this->signedRequest = $this->parseSignedRequest(
+ $_REQUEST['signed_request']);
+ } else if (isset($_COOKIE[$this->getSignedRequestCookieName()])) {
+ $this->signedRequest = $this->parseSignedRequest(
+ $_COOKIE[$this->getSignedRequestCookieName()]);
+ }
+ }
+ return $this->signedRequest;
+ }
+
+ /**
+ * Get the UID of the connected user, or 0
+ * if the Facebook user is not connected.
+ *
+ * @return string the UID if available.
+ */
+ public function getUser() {
+ if ($this->user !== null) {
+ // we've already determined this and cached the value.
+ return $this->user;
+ }
+
+ return $this->user = $this->getUserFromAvailableData();
+ }
+
+ /**
+ * Determines the connected user by first examining any signed
+ * requests, then considering an authorization code, and then
+ * falling back to any persistent store storing the user.
+ *
+ * @return integer The id of the connected Facebook user,
+ * or 0 if no such user exists.
+ */
+ protected function getUserFromAvailableData() {
+ // if a signed request is supplied, then it solely determines
+ // who the user is.
+ $signed_request = $this->getSignedRequest();
+ if ($signed_request) {
+ if (array_key_exists('user_id', $signed_request)) {
+ $user = $signed_request['user_id'];
+ $this->setPersistentData('user_id', $signed_request['user_id']);
+ return $user;
+ }
+
+ // if the signed request didn't present a user id, then invalidate
+ // all entries in any persistent store.
+ $this->clearAllPersistentData();
+ return 0;
+ }
+
+ $user = $this->getPersistentData('user_id', $default = 0);
+ $persisted_access_token = $this->getPersistentData('access_token');
+
+ // use access_token to fetch user id if we have a user access_token, or if
+ // the cached access token has changed.
+ $access_token = $this->getAccessToken();
+ if ($access_token &&
+ $access_token != $this->getApplicationAccessToken() &&
+ !($user && $persisted_access_token == $access_token)) {
+ $user = $this->getUserFromAccessToken();
+ if ($user) {
+ $this->setPersistentData('user_id', $user);
+ } else {
+ $this->clearAllPersistentData();
+ }
+ }
+
+ return $user;
+ }
+
+ /**
+ * Get a Login URL for use with redirects. By default, full page redirect is
+ * assumed. If you are using the generated URL with a window.open() call in
+ * JavaScript, you can pass in display=popup as part of the $params.
+ *
+ * The parameters:
+ * - redirect_uri: the url to go to after a successful login
+ * - scope: comma separated list of requested extended perms
+ *
+ * @param array $params Provide custom parameters
+ * @return string The URL for the login flow
+ */
+ public function getLoginUrl($params=array()) {
+ $this->establishCSRFTokenState();
+ $currentUrl = $this->getCurrentUrl();
+
+ // if 'scope' is passed as an array, convert to comma separated list
+ $scopeParams = isset($params['scope']) ? $params['scope'] : null;
+ if ($scopeParams && is_array($scopeParams)) {
+ $params['scope'] = implode(',', $scopeParams);
+ }
+
+ return $this->getUrl(
+ 'www',
+ 'dialog/oauth',
+ array_merge(array(
+ 'client_id' => $this->getAppId(),
+ 'redirect_uri' => $currentUrl, // possibly overwritten
+ 'state' => $this->state),
+ $params));
+ }
+
+ /**
+ * Get a Logout URL suitable for use with redirects.
+ *
+ * The parameters:
+ * - next: the url to go to after a successful logout
+ *
+ * @param array $params Provide custom parameters
+ * @return string The URL for the logout flow
+ */
+ public function getLogoutUrl($params=array()) {
+ return $this->getUrl(
+ 'www',
+ 'logout.php',
+ array_merge(array(
+ 'next' => $this->getCurrentUrl(),
+ 'access_token' => $this->getAccessToken(),
+ ), $params)
+ );
+ }
+
+ /**
+ * Get a login status URL to fetch the status from Facebook.
+ *
+ * The parameters:
+ * - ok_session: the URL to go to if a session is found
+ * - no_session: the URL to go to if the user is not connected
+ * - no_user: the URL to go to if the user is not signed into facebook
+ *
+ * @param array $params Provide custom parameters
+ * @return string The URL for the logout flow
+ */
+ public function getLoginStatusUrl($params=array()) {
+ return $this->getUrl(
+ 'www',
+ 'extern/login_status.php',
+ array_merge(array(
+ 'api_key' => $this->getAppId(),
+ 'no_session' => $this->getCurrentUrl(),
+ 'no_user' => $this->getCurrentUrl(),
+ 'ok_session' => $this->getCurrentUrl(),
+ 'session_version' => 3,
+ ), $params)
+ );
+ }
+
+ /**
+ * Make an API call.
+ *
+ * @return mixed The decoded response
+ */
+ public function api(/* polymorphic */) {
+ $args = func_get_args();
+ if (is_array($args[0])) {
+ return $this->_restserver($args[0]);
+ } else {
+ return call_user_func_array(array($this, '_graph'), $args);
+ }
+ }
+
+ /**
+ * Constructs and returns the name of the cookie that
+ * potentially houses the signed request for the app user.
+ * The cookie is not set by the BaseFacebook class, but
+ * it may be set by the JavaScript SDK.
+ *
+ * @return string the name of the cookie that would house
+ * the signed request value.
+ */
+ protected function getSignedRequestCookieName() {
+ return 'fbsr_'.$this->getAppId();
+ }
+
+ /**
+ * Get the authorization code from the query parameters, if it exists,
+ * and otherwise return false to signal no authorization code was
+ * discoverable.
+ *
+ * @return mixed The authorization code, or false if the authorization
+ * code could not be determined.
+ */
+ protected function getCode() {
+ if (isset($_REQUEST['code'])) {
+ if ($this->state !== null &&
+ isset($_REQUEST['state']) &&
+ $this->state === $_REQUEST['state']) {
+
+ // CSRF state has done its job, so clear it
+ $this->state = null;
+ $this->clearPersistentData('state');
+ return $_REQUEST['code'];
+ } else {
+ self::errorLog('CSRF state token does not match one provided.');
+ return false;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Retrieves the UID with the understanding that
+ * $this->accessToken has already been set and is
+ * seemingly legitimate. It relies on Facebook's Graph API
+ * to retrieve user information and then extract
+ * the user ID.
+ *
+ * @return integer Returns the UID of the Facebook user, or 0
+ * if the Facebook user could not be determined.
+ */
+ protected function getUserFromAccessToken() {
+ try {
+ $user_info = $this->api('/me');
+ return $user_info['id'];
+ } catch (FacebookApiException $e) {
+ return 0;
+ }
+ }
+
+ /**
+ * Returns the access token that should be used for logged out
+ * users when no authorization code is available.
+ *
+ * @return string The application access token, useful for gathering
+ * public information about users and applications.
+ */
+ protected function getApplicationAccessToken() {
+ return $this->appId.'|'.$this->apiSecret;
+ }
+
+ /**
+ * Lays down a CSRF state token for this process.
+ *
+ * @return void
+ */
+ protected function establishCSRFTokenState() {
+ if ($this->state === null) {
+ $this->state = md5(uniqid(mt_rand(), true));
+ $this->setPersistentData('state', $this->state);
+ }
+ }
+
+ /**
+ * Retrieves an access token for the given authorization code
+ * (previously generated from www.facebook.com on behalf of
+ * a specific user). The authorization code is sent to graph.facebook.com
+ * and a legitimate access token is generated provided the access token
+ * and the user for which it was generated all match, and the user is
+ * either logged in to Facebook or has granted an offline access permission.
+ *
+ * @param string $code An authorization code.
+ * @return mixed An access token exchanged for the authorization code, or
+ * false if an access token could not be generated.
+ */
+ protected function getAccessTokenFromCode($code, $redirect_uri = null) {
+ if (empty($code)) {
+ return false;
+ }
+
+ if ($redirect_uri === null) {
+ $redirect_uri = $this->getCurrentUrl();
+ }
+
+ try {
+ // need to circumvent json_decode by calling _oauthRequest
+ // directly, since response isn't JSON format.
+ $access_token_response =
+ $this->_oauthRequest(
+ $this->getUrl('graph', '/oauth/access_token'),
+ $params = array('client_id' => $this->getAppId(),
+ 'client_secret' => $this->getApiSecret(),
+ 'redirect_uri' => $redirect_uri,
+ 'code' => $code));
+ } catch (FacebookApiException $e) {
+ // most likely that user very recently revoked authorization.
+ // In any event, we don't have an access token, so say so.
+ return false;
+ }
+
+ if (empty($access_token_response)) {
+ return false;
+ }
+
+ $response_params = array();
+ parse_str($access_token_response, $response_params);
+ if (!isset($response_params['access_token'])) {
+ return false;
+ }
+
+ return $response_params['access_token'];
+ }
+
+ /**
+ * Invoke the old restserver.php endpoint.
+ *
+ * @param array $params Method call object
+ *
+ * @return mixed The decoded response object
+ * @throws FacebookApiException
+ */
+ protected function _restserver($params) {
+ // generic application level parameters
+ $params['api_key'] = $this->getAppId();
+ $params['format'] = 'json-strings';
+
+ $result = json_decode($this->_oauthRequest(
+ $this->getApiUrl($params['method']),
+ $params
+ ), true);
+
+ // results are returned, errors are thrown
+ if (is_array($result) && isset($result['error_code'])) {
+ throw new FacebookApiException($result);
+ }
+
+ return $result;
+ }
+
+ /**
+ * Invoke the Graph API.
+ *
+ * @param string $path The path (required)
+ * @param string $method The http method (default 'GET')
+ * @param array $params The query/post data
+ *
+ * @return mixed The decoded response object
+ * @throws FacebookApiException
+ */
+ protected function _graph($path, $method = 'GET', $params = array()) {
+ if (is_array($method) && empty($params)) {
+ $params = $method;
+ $method = 'GET';
+ }
+ $params['method'] = $method; // method override as we always do a POST
+
+ $result = json_decode($this->_oauthRequest(
+ $this->getUrl('graph', $path),
+ $params
+ ), true);
+
+ // results are returned, errors are thrown
+ if (is_array($result) && isset($result['error'])) {
+ $this->throwAPIException($result);
+ }
+
+ return $result;
+ }
+
+ /**
+ * Make a OAuth Request.
+ *
+ * @param string $url The path (required)
+ * @param array $params The query/post data
+ *
+ * @return string The decoded response object
+ * @throws FacebookApiException
+ */
+ protected function _oauthRequest($url, $params) {
+ if (!isset($params['access_token'])) {
+ $params['access_token'] = $this->getAccessToken();
+ }
+
+ // json_encode all params values that are not strings
+ foreach ($params as $key => $value) {
+ if (!is_string($value)) {
+ $params[$key] = json_encode($value);
+ }
+ }
+
+ return $this->makeRequest($url, $params);
+ }
+
+ /**
+ * Makes an HTTP request. This method can be overridden by subclasses if
+ * developers want to do fancier things or use something other than curl to
+ * make the request.
+ *
+ * @param string $url The URL to make the request to
+ * @param array $params The parameters to use for the POST body
+ * @param CurlHandler $ch Initialized curl handle
+ *
+ * @return string The response text
+ */
+ protected function makeRequest($url, $params, $ch=null) {
+ if (!$ch) {
+ $ch = curl_init();
+ }
+
+ $opts = self::$CURL_OPTS;
+ if ($this->useFileUploadSupport()) {
+ $opts[CURLOPT_POSTFIELDS] = $params;
+ } else {
+ $opts[CURLOPT_POSTFIELDS] = http_build_query($params, null, '&');
+ }
+ $opts[CURLOPT_URL] = $url;
+
+ // disable the 'Expect: 100-continue' behaviour. This causes CURL to wait
+ // for 2 seconds if the server does not support this header.
+ if (isset($opts[CURLOPT_HTTPHEADER])) {
+ $existing_headers = $opts[CURLOPT_HTTPHEADER];
+ $existing_headers[] = 'Expect:';
+ $opts[CURLOPT_HTTPHEADER] = $existing_headers;
+ } else {
+ $opts[CURLOPT_HTTPHEADER] = array('Expect:');
+ }
+
+ curl_setopt_array($ch, $opts);
+ $result = curl_exec($ch);
+
+ if (curl_errno($ch) == 60) { // CURLE_SSL_CACERT
+ self::errorLog('Invalid or no certificate authority found, '.
+ 'using bundled information');
+ curl_setopt($ch, CURLOPT_CAINFO,
+ dirname(__FILE__) . '/fb_ca_chain_bundle.crt');
+ $result = curl_exec($ch);
+ }
+
+ if ($result === false) {
+ $e = new FacebookApiException(array(
+ 'error_code' => curl_errno($ch),
+ 'error' => array(
+ 'message' => curl_error($ch),
+ 'type' => 'CurlException',
+ ),
+ ));
+ curl_close($ch);
+ throw $e;
+ }
+ curl_close($ch);
+ return $result;
+ }
+
+ /**
+ * Parses a signed_request and validates the signature.
+ *
+ * @param string $signed_request A signed token
+ * @return array The payload inside it or null if the sig is wrong
+ */
+ protected function parseSignedRequest($signed_request) {
+ list($encoded_sig, $payload) = explode('.', $signed_request, 2);
+
+ // decode the data
+ $sig = self::base64UrlDecode($encoded_sig);
+ $data = json_decode(self::base64UrlDecode($payload), true);
+
+ if (strtoupper($data['algorithm']) !== 'HMAC-SHA256') {
+ self::errorLog('Unknown algorithm. Expected HMAC-SHA256');
+ return null;
+ }
+
+ // check sig
+ $expected_sig = hash_hmac('sha256', $payload,
+ $this->getApiSecret(), $raw = true);
+ if ($sig !== $expected_sig) {
+ self::errorLog('Bad Signed JSON signature!');
+ return null;
+ }
+
+ return $data;
+ }
+
+ /**
+ * Build the URL for api given parameters.
+ *
+ * @param $method String the method name.
+ * @return string The URL for the given parameters
+ */
+ protected function getApiUrl($method) {
+ static $READ_ONLY_CALLS =
+ array('admin.getallocation' => 1,
+ 'admin.getappproperties' => 1,
+ 'admin.getbannedusers' => 1,
+ 'admin.getlivestreamvialink' => 1,
+ 'admin.getmetrics' => 1,
+ 'admin.getrestrictioninfo' => 1,
+ 'application.getpublicinfo' => 1,
+ 'auth.getapppublickey' => 1,
+ 'auth.getsession' => 1,
+ 'auth.getsignedpublicsessiondata' => 1,
+ 'comments.get' => 1,
+ 'connect.getunconnectedfriendscount' => 1,
+ 'dashboard.getactivity' => 1,
+ 'dashboard.getcount' => 1,
+ 'dashboard.getglobalnews' => 1,
+ 'dashboard.getnews' => 1,
+ 'dashboard.multigetcount' => 1,
+ 'dashboard.multigetnews' => 1,
+ 'data.getcookies' => 1,
+ 'events.get' => 1,
+ 'events.getmembers' => 1,
+ 'fbml.getcustomtags' => 1,
+ 'feed.getappfriendstories' => 1,
+ 'feed.getregisteredtemplatebundlebyid' => 1,
+ 'feed.getregisteredtemplatebundles' => 1,
+ 'fql.multiquery' => 1,
+ 'fql.query' => 1,
+ 'friends.arefriends' => 1,
+ 'friends.get' => 1,
+ 'friends.getappusers' => 1,
+ 'friends.getlists' => 1,
+ 'friends.getmutualfriends' => 1,
+ 'gifts.get' => 1,
+ 'groups.get' => 1,
+ 'groups.getmembers' => 1,
+ 'intl.gettranslations' => 1,
+ 'links.get' => 1,
+ 'notes.get' => 1,
+ 'notifications.get' => 1,
+ 'pages.getinfo' => 1,
+ 'pages.isadmin' => 1,
+ 'pages.isappadded' => 1,
+ 'pages.isfan' => 1,
+ 'permissions.checkavailableapiaccess' => 1,
+ 'permissions.checkgrantedapiaccess' => 1,
+ 'photos.get' => 1,
+ 'photos.getalbums' => 1,
+ 'photos.gettags' => 1,
+ 'profile.getinfo' => 1,
+ 'profile.getinfooptions' => 1,
+ 'stream.get' => 1,
+ 'stream.getcomments' => 1,
+ 'stream.getfilters' => 1,
+ 'users.getinfo' => 1,
+ 'users.getloggedinuser' => 1,
+ 'users.getstandardinfo' => 1,
+ 'users.hasapppermission' => 1,
+ 'users.isappuser' => 1,
+ 'users.isverified' => 1,
+ 'video.getuploadlimits' => 1);
+ $name = 'api';
+ if (isset($READ_ONLY_CALLS[strtolower($method)])) {
+ $name = 'api_read';
+ } else if (strtolower($method) == 'video.upload') {
+ $name = 'api_video';
+ }
+ return self::getUrl($name, 'restserver.php');
+ }
+
+ /**
+ * Build the URL for given domain alias, path and parameters.
+ *
+ * @param $name string The name of the domain
+ * @param $path string Optional path (without a leading slash)
+ * @param $params array Optional query parameters
+ *
+ * @return string The URL for the given parameters
+ */
+ protected function getUrl($name, $path='', $params=array()) {
+ $url = self::$DOMAIN_MAP[$name];
+ if ($path) {
+ if ($path[0] === '/') {
+ $path = substr($path, 1);
+ }
+ $url .= $path;
+ }
+ if ($params) {
+ $url .= '?' . http_build_query($params, null, '&');
+ }
+
+ return $url;
+ }
+
+ /**
+ * Returns the Current URL, stripping it of known FB parameters that should
+ * not persist.
+ *
+ * @return string The current URL
+ */
+ protected function getCurrentUrl() {
+ if (isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == 'on' || $_SERVER['HTTPS'] == 1)
+ || isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https'
+ ) {
+ $protocol = 'https://';
+ }
+ else {
+ $protocol = 'http://';
+ }
+ $currentUrl = $protocol . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
+ $parts = parse_url($currentUrl);
+
+ $query = '';
+ if (!empty($parts['query'])) {
+ // drop known fb params
+ $params = explode('&', $parts['query']);
+ $retained_params = array();
+ foreach ($params as $param) {
+ if ($this->shouldRetainParam($param)) {
+ $retained_params[] = $param;
+ }
+ }
+
+ if (!empty($retained_params)) {
+ $query = '?'.implode($retained_params, '&');
+ }
+ }
+
+ // use port if non default
+ $port =
+ isset($parts['port']) &&
+ (($protocol === 'http://' && $parts['port'] !== 80) ||
+ ($protocol === 'https://' && $parts['port'] !== 443))
+ ? ':' . $parts['port'] : '';
+
+ // rebuild
+ return $protocol . $parts['host'] . $port . $parts['path'] . $query;
+ }
+
+ /**
+ * Returns true if and only if the key or key/value pair should
+ * be retained as part of the query string. This amounts to
+ * a brute-force search of the very small list of Facebook-specific
+ * params that should be stripped out.
+ *
+ * @param string $param A key or key/value pair within a URL's query (e.g.
+ * 'foo=a', 'foo=', or 'foo'.
+ *
+ * @return boolean
+ */
+ protected function shouldRetainParam($param) {
+ foreach (self::$DROP_QUERY_PARAMS as $drop_query_param) {
+ if (strpos($param, $drop_query_param.'=') === 0) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * Analyzes the supplied result to see if it was thrown
+ * because the access token is no longer valid. If that is
+ * the case, then the persistent store is cleared.
+ *
+ * @param $result array A record storing the error message returned
+ * by a failed API call.
+ */
+ protected function throwAPIException($result) {
+ $e = new FacebookApiException($result);
+ switch ($e->getType()) {
+ // OAuth 2.0 Draft 00 style
+ case 'OAuthException':
+ // OAuth 2.0 Draft 10 style
+ case 'invalid_token':
+ $message = $e->getMessage();
+ if ((strpos($message, 'Error validating access token') !== false) ||
+ (strpos($message, 'Invalid OAuth access token') !== false)) {
+ $this->setAccessToken(null);
+ $this->user = 0;
+ $this->clearAllPersistentData();
+ }
+ }
+
+ throw $e;
+ }
+
+
+ /**
+ * Prints to the error log if you aren't in command line mode.
+ *
+ * @param string $msg Log message
+ */
+ protected static function errorLog($msg) {
+ // disable error log if we are running in a CLI environment
+ // @codeCoverageIgnoreStart
+ if (php_sapi_name() != 'cli') {
+ error_log($msg);
+ }
+ // uncomment this if you want to see the errors on the page
+ // print 'error_log: '.$msg."\n";
+ // @codeCoverageIgnoreEnd
+ }
+
+ /**
+ * Base64 encoding that doesn't need to be urlencode()ed.
+ * Exactly the same as base64_encode except it uses
+ * - instead of +
+ * _ instead of /
+ *
+ * @param string $input base64UrlEncoded string
+ * @return string
+ */
+ protected static function base64UrlDecode($input) {
+ return base64_decode(strtr($input, '-_', '+/'));
+ }
+
+ /**
+ * Each of the following four methods should be overridden in
+ * a concrete subclass, as they are in the provided Facebook class.
+ * The Facebook class uses PHP sessions to provide a primitive
+ * persistent store, but another subclass--one that you implement--
+ * might use a database, memcache, or an in-memory cache.
+ *
+ * @see Facebook
+ */
+
+ /**
+ * Stores the given ($key, $value) pair, so that future calls to
+ * getPersistentData($key) return $value. This call may be in another request.
+ *
+ * @param string $key
+ * @param array $value
+ *
+ * @return void
+ */
+ abstract protected function setPersistentData($key, $value);
+
+ /**
+ * Get the data for $key, persisted by BaseFacebook::setPersistentData()
+ *
+ * @param string $key The key of the data to retrieve
+ * @param boolean $default The default value to return if $key is not found
+ *
+ * @return mixed
+ */
+ abstract protected function getPersistentData($key, $default = false);
+
+ /**
+ * Clear the data with $key from the persistent storage
+ *
+ * @param string $key
+ * @return void
+ */
+ abstract protected function clearPersistentData($key);
+
+ /**
+ * Clear all data from the persistent storage
+ *
+ * @return void
+ */
+ abstract protected function clearAllPersistentData();
+}
diff --git a/network/facebook/facebook.php b/network/facebook/facebook.php
@@ -0,0 +1,93 @@
+<?php
+/**
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+
+require_once "base_facebook.php";
+
+/**
+ * Extends the BaseFacebook class with the intent of using
+ * PHP sessions to store user ids and access tokens.
+ */
+class FacebookApi extends BaseFacebook
+{
+ /**
+ * Identical to the parent constructor, except that
+ * we start a PHP session to store the user ID and
+ * access token if during the course of execution
+ * we discover them.
+ *
+ * @param Array $config the application configuration.
+ * @see BaseFacebook::__construct in facebook.php
+ */
+ public function __construct($config) {
+ if (!session_id()) {
+ //session_start();
+ }
+ parent::__construct($config);
+ }
+
+ protected static $kSupportedKeys =
+ array('state', 'code', 'access_token', 'user_id');
+
+ /**
+ * Provides the implementations of the inherited abstract
+ * methods. The implementation uses PHP sessions to maintain
+ * a store for authorization codes, user ids, CSRF states, and
+ * access tokens.
+ */
+ protected function setPersistentData($key, $value) {
+ if (!in_array($key, self::$kSupportedKeys)) {
+ self::errorLog('Unsupported key passed to setPersistentData.');
+ return;
+ }
+
+ $session_var_name = $this->constructSessionVariableName($key);
+ $_SESSION[$session_var_name] = $value;
+ }
+
+ protected function getPersistentData($key, $default = false) {
+ if (!in_array($key, self::$kSupportedKeys)) {
+ self::errorLog('Unsupported key passed to getPersistentData.');
+ return $default;
+ }
+
+ $session_var_name = $this->constructSessionVariableName($key);
+ return isset($_SESSION[$session_var_name]) ?
+ $_SESSION[$session_var_name] : $default;
+ }
+
+ protected function clearPersistentData($key) {
+ if (!in_array($key, self::$kSupportedKeys)) {
+ self::errorLog('Unsupported key passed to clearPersistentData.');
+ return;
+ }
+
+ $session_var_name = $this->constructSessionVariableName($key);
+ unset($_SESSION[$session_var_name]);
+ }
+
+ protected function clearAllPersistentData() {
+ foreach (self::$kSupportedKeys as $key) {
+ $this->clearPersistentData($key);
+ }
+ }
+
+ protected function constructSessionVariableName($key) {
+ return implode('_', array('fb',
+ $this->getAppId(),
+ $key));
+ }
+}
diff --git a/network/twitter/OAuth.php b/network/twitter/OAuth.php
@@ -0,0 +1,874 @@
+<?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($string);
+ }
+
+ // Utility function for turning the Authorization: header into
+ // parameters, has to do some unescaping
+ // Can filter out any non-oauth parameters if needed (default behaviour)
+ public static function split_header($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
+ $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);
+ }
+}
+
+?>
diff --git a/network/twitter/twitteroauth.php b/network/twitter/twitteroauth.php
@@ -0,0 +1,245 @@
+<?php
+
+/*
+ * Abraham Williams (abraham@abrah.am) http://abrah.am
+ *
+ * The first PHP Library to support OAuth for Twitter's REST API.
+ */
+
+/* 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 $url;
+ /* Set up the API root URL. */
+ public $host = "https://api.twitter.com/1.1/";
+ /* 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 returned json data. */
+ public $decode_json = TRUE;
+ /* Contains the last HTTP headers returned. */
+ public $http_info;
+ /* Set the useragnet. */
+ public $useragent = 'TwitterOAuth v0.2.0-beta2';
+ /* Immediately retry the API call if the response was not successful. */
+ //public $retry = TRUE;
+
+
+
+
+ /**
+ * Set API URLS
+ */
+ function accessTokenURL() { return 'https://api.twitter.com/oauth/access_token'; }
+ function authenticateURL() { return 'https://api.twitter.com/oauth/authenticate'; }
+ function authorizeURL() { return 'https://api.twitter.com/oauth/authorize'; }
+ function requestTokenURL() { return 'https://api.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 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",
+ * "user_id" => "9436992",
+ * "screen_name" => "abraham")
+ */
+ 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 $token;
+ }
+
+ /**
+ * One time exchange of username and password for access token and secret.
+ *
+ * @returns array("oauth_token" => "the-access-token",
+ * "oauth_token_secret" => "the-access-secret",
+ * "user_id" => "9436992",
+ * "screen_name" => "abraham",
+ * "x_auth_expires" => "0")
+ */
+ function getXAuthToken($username, $password) {
+ $parameters = array();
+ $parameters['x_auth_username'] = $username;
+ $parameters['x_auth_password'] = $password;
+ $parameters['x_auth_mode'] = 'client_auth';
+ $request = $this->oAuthRequest($this->accessTokenURL(), 'POST', $parameters);
+ $token = OAuthUtil::parse_parameters($request);
+ $this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']);
+ return $token;
+ }
+
+ /**
+ * GET wrapper for oAuthRequest.
+ */
+ function get($url, $parameters = array()) {
+ $response = $this->oAuthRequest($url, 'GET', $parameters);
+ if ($this->format === 'json' && $this->decode_json) {
+ return json_decode($response);
+ }
+ return $response;
+ }
+
+ /**
+ * POST wrapper for oAuthRequest.
+ */
+ function post($url, $parameters = array()) {
+ $response = $this->oAuthRequest($url, 'POST', $parameters);
+ if ($this->format === 'json' && $this->decode_json) {
+ return json_decode($response);
+ }
+ return $response;
+ }
+
+ /**
+ * DELETE wrapper for oAuthReqeust.
+ */
+ function delete($url, $parameters = array()) {
+ $response = $this->oAuthRequest($url, 'DELETE', $parameters);
+ if ($this->format === 'json' && $this->decode_json) {
+ return json_decode($response);
+ }
+ 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) {
+ $this->http_info = array();
+ $ci = curl_init();
+ /* Curl settings */
+ curl_setopt($ci, CURLOPT_USERAGENT, $this->useragent);
+ curl_setopt($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, $this->ssl_verifypeer);
+ curl_setopt($ci, CURLOPT_HEADERFUNCTION, array($this, 'getHeader'));
+ curl_setopt($ci, CURLOPT_HEADER, FALSE);
+
+ 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);
+ $this->http_info = array_merge($this->http_info, curl_getinfo($ci));
+ $this->url = $url;
+ curl_close ($ci);
+ return $response;
+ }
+
+ /**
+ * Get the header info to store.
+ */
+ function getHeader($ch, $header) {
+ $i = strpos($header, ':');
+ if (!empty($i)) {
+ $key = str_replace('-', '_', strtolower(substr($header, 0, $i)));
+ $value = trim(substr($header, $i + 2));
+ $this->http_header[$key] = $value;
+ }
+ return strlen($header);
+ }
+}
