updated to include access_token
This commit is contained in:
THEtheChad
parent
82942b64b9
commit
eba81cc749
File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,160 @@
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<?php
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/**
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* Copyright 2011 Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License. You may obtain
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* a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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require_once "base_facebook.php";
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/**
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* Extends the BaseFacebook class with the intent of using
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* PHP sessions to store user ids and access tokens.
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*/
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class Facebook extends BaseFacebook
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{
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const FBSS_COOKIE_NAME = 'fbss';
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// We can set this to a high number because the main session
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// expiration will trump this.
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const FBSS_COOKIE_EXPIRE = 31556926; // 1 year
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// Stores the shared session ID if one is set.
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protected $sharedSessionID;
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/**
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* Identical to the parent constructor, except that
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* we start a PHP session to store the user ID and
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* access token if during the course of execution
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* we discover them.
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*
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* @param Array $config the application configuration. Additionally
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* accepts "sharedSession" as a boolean to turn on a secondary
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* cookie for environments with a shared session (that is, your app
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* shares the domain with other apps).
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* @see BaseFacebook::__construct in facebook.php
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*/
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public function __construct($config) {
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if (!session_id()) {
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session_start();
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}
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parent::__construct($config);
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if (!empty($config['sharedSession'])) {
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$this->initSharedSession();
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}
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}
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protected static $kSupportedKeys =
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array('state', 'code', 'access_token', 'user_id');
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protected function initSharedSession() {
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$cookie_name = $this->getSharedSessionCookieName();
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if (isset($_COOKIE[$cookie_name])) {
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$data = $this->parseSignedRequest($_COOKIE[$cookie_name]);
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if ($data && !empty($data['domain']) &&
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self::isAllowedDomain($this->getHttpHost(), $data['domain'])) {
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// good case
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$this->sharedSessionID = $data['id'];
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return;
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}
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// ignoring potentially unreachable data
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}
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// evil/corrupt/missing case
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$base_domain = $this->getBaseDomain();
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$this->sharedSessionID = md5(uniqid(mt_rand(), true));
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$cookie_value = $this->makeSignedRequest(
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array(
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'domain' => $base_domain,
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'id' => $this->sharedSessionID,
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)
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);
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$_COOKIE[$cookie_name] = $cookie_value;
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if (!headers_sent()) {
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$expire = time() + self::FBSS_COOKIE_EXPIRE;
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setcookie($cookie_name, $cookie_value, $expire, '/', '.'.$base_domain);
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} else {
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// @codeCoverageIgnoreStart
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self::errorLog(
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'Shared session ID cookie could not be set! You must ensure you '.
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'create the Facebook instance before headers have been sent. This '.
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'will cause authentication issues after the first request.'
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);
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// @codeCoverageIgnoreEnd
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}
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}
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/**
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* Provides the implementations of the inherited abstract
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* methods. The implementation uses PHP sessions to maintain
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* a store for authorization codes, user ids, CSRF states, and
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* access tokens.
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*/
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protected function setPersistentData($key, $value) {
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if (!in_array($key, self::$kSupportedKeys)) {
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self::errorLog('Unsupported key passed to setPersistentData.');
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return;
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}
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$session_var_name = $this->constructSessionVariableName($key);
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$_SESSION[$session_var_name] = $value;
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}
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protected function getPersistentData($key, $default = false) {
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if (!in_array($key, self::$kSupportedKeys)) {
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self::errorLog('Unsupported key passed to getPersistentData.');
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return $default;
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}
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$session_var_name = $this->constructSessionVariableName($key);
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return isset($_SESSION[$session_var_name]) ?
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$_SESSION[$session_var_name] : $default;
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}
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protected function clearPersistentData($key) {
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if (!in_array($key, self::$kSupportedKeys)) {
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self::errorLog('Unsupported key passed to clearPersistentData.');
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return;
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}
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$session_var_name = $this->constructSessionVariableName($key);
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unset($_SESSION[$session_var_name]);
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}
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protected function clearAllPersistentData() {
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foreach (self::$kSupportedKeys as $key) {
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$this->clearPersistentData($key);
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}
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if ($this->sharedSessionID) {
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$this->deleteSharedSessionCookie();
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}
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}
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protected function deleteSharedSessionCookie() {
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$cookie_name = $this->getSharedSessionCookieName();
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unset($_COOKIE[$cookie_name]);
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$base_domain = $this->getBaseDomain();
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setcookie($cookie_name, '', 1, '/', '.'.$base_domain);
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}
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protected function getSharedSessionCookieName() {
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return self::FBSS_COOKIE_NAME . '_' . $this->getAppId();
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}
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protected function constructSessionVariableName($key) {
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$parts = array('fb', $this->getAppId(), $key);
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if ($this->sharedSessionID) {
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array_unshift($parts, $this->sharedSessionID);
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}
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return implode('_', $parts);
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}
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}
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File diff suppressed because it is too large
Load Diff
963
facebook.php
963
facebook.php
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@ -1,963 +0,0 @@
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<?php
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if (!function_exists('curl_init')) {
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throw new Exception('Facebook needs the CURL PHP extension.');
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}
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if (!function_exists('json_decode')) {
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throw new Exception('Facebook needs the JSON PHP extension.');
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}
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/**
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* Thrown when an API call returns an exception.
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*
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* @author Naitik Shah <naitik@facebook.com>
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*/
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class FacebookApiException extends Exception
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{
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/**
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* The result from the API server that represents the exception information.
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*/
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protected $result;
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/**
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* Make a new API Exception with the given result.
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*
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* @param Array $result the result from the API server
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*/
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public function __construct($result) {
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$this->result = $result;
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$code = isset($result['error_code']) ? $result['error_code'] : 0;
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if (isset($result['error_description'])) {
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// OAuth 2.0 Draft 10 style
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$msg = $result['error_description'];
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} else if (isset($result['error']) && is_array($result['error'])) {
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// OAuth 2.0 Draft 00 style
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$msg = $result['error']['message'];
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} else if (isset($result['error_msg'])) {
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// Rest server style
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$msg = $result['error_msg'];
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} else {
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$msg = 'Unknown Error. Check getResult()';
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}
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parent::__construct($msg, $code);
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}
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/**
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* Return the associated result object returned by the API server.
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*
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* @returns Array the result from the API server
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*/
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public function getResult() {
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return $this->result;
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}
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/**
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* Returns the associated type for the error. This will default to
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* 'Exception' when a type is not available.
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*
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* @return String
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*/
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public function getType() {
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if (isset($this->result['error'])) {
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$error = $this->result['error'];
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if (is_string($error)) {
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// OAuth 2.0 Draft 10 style
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return $error;
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} else if (is_array($error)) {
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// OAuth 2.0 Draft 00 style
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if (isset($error['type'])) {
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return $error['type'];
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}
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}
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}
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return 'Exception';
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}
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/**
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* To make debugging easier.
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*
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* @returns String the string representation of the error
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*/
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public function __toString() {
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$str = $this->getType() . ': ';
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if ($this->code != 0) {
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$str .= $this->code . ': ';
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}
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return $str . $this->message;
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}
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}
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/**
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* Provides access to the Facebook Platform.
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*
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* @author Naitik Shah <naitik@facebook.com>
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*/
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class Facebook
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{
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/**
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* Version.
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*/
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const VERSION = '2.1.2';
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/**
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* Default options for curl.
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*/
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public static $CURL_OPTS = array(
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CURLOPT_CONNECTTIMEOUT => 10,
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_TIMEOUT => 60,
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CURLOPT_USERAGENT => 'facebook-php-2.0',
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);
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/**
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* List of query parameters that get automatically dropped when rebuilding
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* the current URL.
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*/
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protected static $DROP_QUERY_PARAMS = array(
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'session',
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'signed_request',
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);
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/**
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* Maps aliases to Facebook domains.
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*/
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public static $DOMAIN_MAP = array(
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'api' => 'https://api.facebook.com/',
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'api_read' => 'https://api-read.facebook.com/',
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'graph' => 'https://graph.facebook.com/',
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'www' => 'https://www.facebook.com/',
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);
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/**
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* The Application ID.
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*/
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protected $appId;
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/**
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* The Application API Secret.
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*/
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protected $apiSecret;
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/**
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* The active user session, if one is available.
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*/
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protected $session;
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/**
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* The data from the signed_request token.
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*/
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protected $signedRequest;
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/**
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* Indicates that we already loaded the session as best as we could.
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*/
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protected $sessionLoaded = false;
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/**
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* Indicates if Cookie support should be enabled.
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*/
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protected $cookieSupport = false;
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/**
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* Base domain for the Cookie.
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*/
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protected $baseDomain = '';
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/**
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* Indicates if the CURL based @ syntax for file uploads is enabled.
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*/
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protected $fileUploadSupport = false;
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/**
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* Initialize a Facebook Application.
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*
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* The configuration:
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* - appId: the application ID
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* - secret: the application secret
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* - cookie: (optional) boolean true to enable cookie support
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* - domain: (optional) domain for the cookie
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* - fileUpload: (optional) boolean indicating if file uploads are enabled
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*
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* @param Array $config the application configuration
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*/
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public function __construct($config) {
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$this->setAppId($config['appId']);
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$this->setApiSecret($config['secret']);
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if (isset($config['cookie'])) {
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$this->setCookieSupport($config['cookie']);
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}
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if (isset($config['domain'])) {
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$this->setBaseDomain($config['domain']);
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}
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if (isset($config['fileUpload'])) {
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$this->setFileUploadSupport($config['fileUpload']);
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}
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}
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/**
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* Set the Application ID.
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*
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* @param String $appId the Application ID
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*/
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public function setAppId($appId) {
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$this->appId = $appId;
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return $this;
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}
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/**
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* Get the Application ID.
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*
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* @return String the Application ID
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*/
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public function getAppId() {
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return $this->appId;
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}
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/**
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* Set the API Secret.
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*
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* @param String $appId the API Secret
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*/
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public function setApiSecret($apiSecret) {
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$this->apiSecret = $apiSecret;
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return $this;
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}
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/**
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* Get the API Secret.
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*
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* @return String the API Secret
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*/
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public function getApiSecret() {
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return $this->apiSecret;
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}
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/**
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* Set the Cookie Support status.
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*
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* @param Boolean $cookieSupport the Cookie Support status
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*/
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public function setCookieSupport($cookieSupport) {
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$this->cookieSupport = $cookieSupport;
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return $this;
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}
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/**
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* Get the Cookie Support status.
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*
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* @return Boolean the Cookie Support status
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*/
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public function useCookieSupport() {
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return $this->cookieSupport;
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}
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/**
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* Set the base domain for the Cookie.
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*
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* @param String $domain the base domain
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*/
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public function setBaseDomain($domain) {
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$this->baseDomain = $domain;
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return $this;
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}
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/**
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* Get the base domain for the Cookie.
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*
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* @return String the base domain
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*/
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public function getBaseDomain() {
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return $this->baseDomain;
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}
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/**
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* Set the file upload support status.
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*
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* @param String $domain the base domain
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*/
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public function setFileUploadSupport($fileUploadSupport) {
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$this->fileUploadSupport = $fileUploadSupport;
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return $this;
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}
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/**
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* Get the file upload support status.
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*
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* @return String the base domain
|
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*/
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public function useFileUploadSupport() {
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return $this->fileUploadSupport;
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}
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/**
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* Get the data from a signed_request token
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*
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* @return String the base domain
|
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*/
|
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public function getSignedRequest() {
|
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if (!$this->signedRequest) {
|
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if (isset($_REQUEST['signed_request'])) {
|
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$this->signedRequest = $this->parseSignedRequest(
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$_REQUEST['signed_request']);
|
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}
|
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}
|
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return $this->signedRequest;
|
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}
|
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|
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/**
|
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* Set the Session.
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*
|
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* @param Array $session the session
|
||||
* @param Boolean $write_cookie indicate if a cookie should be written. this
|
||||
* value is ignored if cookie support has been disabled.
|
||||
*/
|
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public function setSession($session=null, $write_cookie=true) {
|
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$session = $this->validateSessionObject($session);
|
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$this->sessionLoaded = true;
|
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$this->session = $session;
|
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if ($write_cookie) {
|
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$this->setCookieFromSession($session);
|
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}
|
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return $this;
|
||||
}
|
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|
||||
/**
|
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* Get the session object. This will automatically look for a signed session
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* sent via the signed_request, Cookie or Query Parameters if needed.
|
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*
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* @return Array the session
|
||||
*/
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public function getSession() {
|
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if (!$this->sessionLoaded) {
|
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$session = null;
|
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$write_cookie = true;
|
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|
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// try loading session from signed_request in $_REQUEST
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$signedRequest = $this->getSignedRequest();
|
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if ($signedRequest) {
|
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// sig is good, use the signedRequest
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$session = $this->createSessionFromSignedRequest($signedRequest);
|
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}
|
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|
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// try loading session from $_REQUEST
|
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if (!$session && isset($_REQUEST['session'])) {
|
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$session = json_decode(
|
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get_magic_quotes_gpc()
|
||||
? stripslashes($_REQUEST['session'])
|
||||
: $_REQUEST['session'],
|
||||
true
|
||||
);
|
||||
$session = $this->validateSessionObject($session);
|
||||
}
|
||||
|
||||
// try loading session from cookie if necessary
|
||||
if (!$session && $this->useCookieSupport()) {
|
||||
$cookieName = $this->getSessionCookieName();
|
||||
if (isset($_COOKIE[$cookieName])) {
|
||||
$session = array();
|
||||
parse_str(trim(
|
||||
get_magic_quotes_gpc()
|
||||
? stripslashes($_COOKIE[$cookieName])
|
||||
: $_COOKIE[$cookieName],
|
||||
'"'
|
||||
), $session);
|
||||
$session = $this->validateSessionObject($session);
|
||||
// write only if we need to delete a invalid session cookie
|
||||
$write_cookie = empty($session);
|
||||
}
|
||||
}
|
||||
|
||||
$this->setSession($session, $write_cookie);
|
||||
}
|
||||
|
||||
return $this->session;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the UID from the session.
|
||||
*
|
||||
* @return String the UID if available
|
||||
*/
|
||||
public function getUser() {
|
||||
$session = $this->getSession();
|
||||
return $session ? $session['uid'] : null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets a OAuth access token.
|
||||
*
|
||||
* @return String the access token
|
||||
*/
|
||||
public function getAccessToken() {
|
||||
$session = $this->getSession();
|
||||
// either user session signed, or app signed
|
||||
if ($session) {
|
||||
return $session['access_token'];
|
||||
} else {
|
||||
return $this->getAppId() .'|'. $this->getApiSecret();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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:
|
||||
* - next: the url to go to after a successful login
|
||||
* - cancel_url: the url to go to after the user cancels
|
||||
* - req_perms: comma separated list of requested extended perms
|
||||
* - display: can be "page" (default, full page) or "popup"
|
||||
*
|
||||
* @param Array $params provide custom parameters
|
||||
* @return String the URL for the login flow
|
||||
*/
|
||||
public function getLoginUrl($params=array()) {
|
||||
$currentUrl = $this->getCurrentUrl();
|
||||
return $this->getUrl(
|
||||
'www',
|
||||
'login.php',
|
||||
array_merge(array(
|
||||
'api_key' => $this->getAppId(),
|
||||
'cancel_url' => $currentUrl,
|
||||
'display' => 'page',
|
||||
'fbconnect' => 1,
|
||||
'next' => $currentUrl,
|
||||
'return_session' => 1,
|
||||
'session_version' => 3,
|
||||
'v' => '1.0',
|
||||
), $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.
|
||||
*
|
||||
* @param Array $params the API call parameters
|
||||
* @return 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);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Invoke the old restserver.php endpoint.
|
||||
*
|
||||
* @param Array $params method call object
|
||||
* @return the decoded response object
|
||||
* @throws FacebookApiException
|
||||
*/
|
||||
protected function _restserver($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 $params the query/post data
|
||||
* @return the decoded response object
|
||||
* @throws FacebookApiException
|
||||
*/
|
||||
protected function _graph($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'])) {
|
||||
$e = new FacebookApiException($result);
|
||||
switch ($e->getType()) {
|
||||
// OAuth 2.0 Draft 00 style
|
||||
case 'OAuthException':
|
||||
// OAuth 2.0 Draft 10 style
|
||||
case 'invalid_token':
|
||||
$this->setSession(null);
|
||||
}
|
||||
throw $e;
|
||||
}
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Make a OAuth Request
|
||||
*
|
||||
* @param String $path the path (required)
|
||||
* @param Array $params the query/post data
|
||||
* @return the decoded response object
|
||||
* @throws FacebookApiException
|
||||
*/
|
||||
protected function _oauthRequest($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 overriden 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 $ch optional initialized curl handle
|
||||
* @return String the response text
|
||||
*/
|
||||
protected function makeRequest($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;
|
||||
}
|
||||
|
||||
/**
|
||||
* The name of the Cookie that contains the session.
|
||||
*
|
||||
* @return String the cookie name
|
||||
*/
|
||||
protected function getSessionCookieName() {
|
||||
return 'fbs_' . $this->getAppId();
|
||||
}
|
||||
|
||||
/**
|
||||
* Set a JS Cookie based on the _passed in_ session. It does not use the
|
||||
* currently stored session -- you need to explicitly pass it in.
|
||||
*
|
||||
* @param Array $session the session to use for setting the cookie
|
||||
*/
|
||||
protected function setCookieFromSession($session=null) {
|
||||
if (!$this->useCookieSupport()) {
|
||||
return;
|
||||
}
|
||||
|
||||
$cookieName = $this->getSessionCookieName();
|
||||
$value = 'deleted';
|
||||
$expires = time() - 3600;
|
||||
$domain = $this->getBaseDomain();
|
||||
if ($session) {
|
||||
$value = '"' . http_build_query($session, null, '&') . '"';
|
||||
if (isset($session['base_domain'])) {
|
||||
$domain = $session['base_domain'];
|
||||
}
|
||||
$expires = $session['expires'];
|
||||
}
|
||||
|
||||
// prepend dot if a domain is found
|
||||
if ($domain) {
|
||||
$domain = '.' . $domain;
|
||||
}
|
||||
|
||||
// if an existing cookie is not set, we dont need to delete it
|
||||
if ($value == 'deleted' && empty($_COOKIE[$cookieName])) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (headers_sent()) {
|
||||
self::errorLog('Could not set cookie. Headers already sent.');
|
||||
|
||||
// ignore for code coverage as we will never be able to setcookie in a CLI
|
||||
// environment
|
||||
// @codeCoverageIgnoreStart
|
||||
} else {
|
||||
setcookie($cookieName, $value, $expires, '/', $domain);
|
||||
}
|
||||
// @codeCoverageIgnoreEnd
|
||||
}
|
||||
|
||||
/**
|
||||
* Validates a session_version=3 style session object.
|
||||
*
|
||||
* @param Array $session the session object
|
||||
* @return Array the session object if it validates, null otherwise
|
||||
*/
|
||||
protected function validateSessionObject($session) {
|
||||
// make sure some essential fields exist
|
||||
if (is_array($session) &&
|
||||
isset($session['uid']) &&
|
||||
isset($session['access_token']) &&
|
||||
isset($session['sig'])) {
|
||||
// validate the signature
|
||||
$session_without_sig = $session;
|
||||
unset($session_without_sig['sig']);
|
||||
$expected_sig = self::generateSignature(
|
||||
$session_without_sig,
|
||||
$this->getApiSecret()
|
||||
);
|
||||
if ($session['sig'] != $expected_sig) {
|
||||
self::errorLog('Got invalid session signature in cookie.');
|
||||
$session = null;
|
||||
}
|
||||
// check expiry time
|
||||
} else {
|
||||
$session = null;
|
||||
}
|
||||
return $session;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns something that looks like our JS session object from the
|
||||
* signed token's data
|
||||
*
|
||||
* TODO: Nuke this once the login flow uses OAuth2
|
||||
*
|
||||
* @param Array the output of getSignedRequest
|
||||
* @return Array Something that will work as a session
|
||||
*/
|
||||
protected function createSessionFromSignedRequest($data) {
|
||||
if (!isset($data['oauth_token'])) {
|
||||
return null;
|
||||
}
|
||||
|
||||
$session = array(
|
||||
'uid' => $data['user_id'],
|
||||
'access_token' => $data['oauth_token'],
|
||||
'expires' => $data['expires'],
|
||||
);
|
||||
|
||||
// put a real sig, so that validateSignature works
|
||||
$session['sig'] = self::generateSignature(
|
||||
$session,
|
||||
$this->getApiSecret()
|
||||
);
|
||||
|
||||
return $session;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parses a signed_request and validates the signature.
|
||||
* Then saves it in $this->signed_data
|
||||
*
|
||||
* @param String A signed token
|
||||
* @param Boolean Should we remove the parts of the payload that
|
||||
* are used by the algorithm?
|
||||
* @return Array the payload inside it or null if the sig is wrong
|
||||
*/
|
||||
protected function parseSignedRequest($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)])) {
|
||||
$name = 'api_read';
|
||||
}
|
||||
return self::getUrl($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() {
|
||||
$protocol = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on'
|
||||
? 'https://'
|
||||
: 'http://';
|
||||
$currentUrl = $protocol . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
|
||||
$parts = parse_url($currentUrl);
|
||||
|
||||
// drop known fb params
|
||||
$query = '';
|
||||
if (!empty($parts['query'])) {
|
||||
$params = array();
|
||||
parse_str($parts['query'], $params);
|
||||
foreach(self::$DROP_QUERY_PARAMS as $key) {
|
||||
unset($params[$key]);
|
||||
}
|
||||
if (!empty($params)) {
|
||||
$query = '?' . http_build_query($params, null, '&');
|
||||
}
|
||||
}
|
||||
|
||||
// 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;
|
||||
}
|
||||
|
||||
/**
|
||||
* Generate a signature for the given params and secret.
|
||||
*
|
||||
* @param Array $params the parameters to sign
|
||||
* @param String $secret the secret to sign with
|
||||
* @return String the generated signature
|
||||
*/
|
||||
protected static function generateSignature($params, $secret) {
|
||||
// work with sorted data
|
||||
ksort($params);
|
||||
|
||||
// generate the base string
|
||||
$base_string = '';
|
||||
foreach($params as $key => $value) {
|
||||
$base_string .= $key . '=' . $value;
|
||||
}
|
||||
$base_string .= $secret;
|
||||
|
||||
return md5($base_string);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints to the error log if you aren't in command line mode.
|
||||
*
|
||||
* @param String 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: '.$msg."\n";
|
||||
// @codeCoverageIgnoreEnd
|
||||
}
|
||||
|
||||
/**
|
||||
* Base64 encoding that doesn't need to be urlencode()ed.
|
||||
* Exactly the same as base64_encode except it uses
|
||||
* - instead of +
|
||||
* _ instead of /
|
||||
*
|
||||
* @param String base64UrlEncodeded string
|
||||
*/
|
||||
protected static function base64UrlDecode($input) {
|
||||
return base64_decode(strtr($input, '-_', '+/'));
|
||||
}
|
||||
}
|
||||
|
|
@ -48,45 +48,36 @@ function fbes_process_events() {
|
|||
$fbes_api_uid = get_option('fbes_api_uid');
|
||||
$fbes_api_uids = get_option('fbes_api_uids');
|
||||
$fbes_frequency = get_option('fbes_frequency');
|
||||
$fbes_access_token = get_option('fbes_access_token'); // modified
|
||||
|
||||
|
||||
$events = fbes_get_events($fbes_api_key, $fbes_api_secret, $fbes_api_uids);
|
||||
$events = fbes_get_events($fbes_api_key, $fbes_api_secret, $fbes_access_token, $fbes_api_uids);
|
||||
fbes_send_events($events);
|
||||
}
|
||||
|
||||
function fbes_get_events($fbes_api_key, $fbes_api_secret, $fbes_api_uids) {
|
||||
function fbes_get_events($fbes_api_key, $fbes_api_secret, $fbes_access_token, $fbes_api_uids) {
|
||||
|
||||
require 'facebook-php-sdk/facebook.php'; //modified
|
||||
|
||||
require 'facebook.php';
|
||||
|
||||
$facebook = new Facebook(array(
|
||||
'appId' => $fbes_api_key,
|
||||
'secret' => $fbes_api_secret,
|
||||
'cookie' => true,
|
||||
));
|
||||
|
||||
$ret = array();
|
||||
foreach ($fbes_api_uids as $key => $value) {
|
||||
$ret = array();
|
||||
foreach ($fbes_api_uids as $key => $value) {
|
||||
if($value!='') {
|
||||
$result = $facebook->api('/'.$value.'/events', 'GET', array(
|
||||
'fields' => 'name,start_time,end_time,location,description,timezone'
|
||||
));
|
||||
$result = $result['data'];
|
||||
foreach($result as $k => $v)
|
||||
$result[$k]['uid'] = $value;
|
||||
$ret = array_merge($ret, $result);
|
||||
}
|
||||
}
|
||||
|
||||
if($value!='') {
|
||||
//https://developers.facebook.com/docs/reference/fql/event/
|
||||
$fql = "SELECT eid, name, start_time, end_time, location, description
|
||||
FROM event WHERE eid IN ( SELECT eid FROM event_member WHERE uid = $value )
|
||||
ORDER BY start_time desc";
|
||||
|
||||
$param = array(
|
||||
'method' => 'fql.query',
|
||||
'query' => $fql,
|
||||
'callback' => ''
|
||||
);
|
||||
|
||||
$result = $facebook->api($param);
|
||||
foreach($result as $k => $v)
|
||||
$result[$k]['uid'] = $value;
|
||||
$ret = array_merge($ret, $result);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
return $ret;
|
||||
}
|
||||
|
||||
|
|
@ -234,6 +225,14 @@ function fbes_options_page() {
|
|||
|
||||
update_option('fbes_api_uids', $fbes_api_uids);
|
||||
}
|
||||
|
||||
require 'facebook-php-sdk/facebook.php'; //modified
|
||||
|
||||
$facebook = new Facebook(array(
|
||||
'appId' => $fbes_api_key,
|
||||
'secret' => $fbes_api_secret,
|
||||
'cookie' => true,
|
||||
));
|
||||
?>
|
||||
<div class="wrap">
|
||||
<br /><div class="icon32" id="icon-plugins"><br/></div>
|
||||
|
|
@ -279,6 +278,20 @@ function fbes_options_page() {
|
|||
echo ' name="update" /></td></tr></table>';
|
||||
?>
|
||||
</form>
|
||||
<?php
|
||||
$code = $_REQUEST["code"];
|
||||
if(!empty($code)){
|
||||
update_option('fbes_access_token', $facebook->getAccessToken());
|
||||
}
|
||||
else if(!get_option('fbes_access_token')){
|
||||
$params = array(
|
||||
'scope' => 'manage_pages',
|
||||
'redirect_uri' => curPageURL()
|
||||
);
|
||||
$loginUrl = $facebook->getLoginUrl($params);
|
||||
echo "<a href='$loginUrl'>Authorize Facebook</a>";
|
||||
}
|
||||
?>
|
||||
</div>
|
||||
<?php if(isset($events)) { ?>
|
||||
<div style="margin-top:20px;font-size:14px;color:#444;border:1px solid #999;padding:15px;width:95%;font-face:couriernew;">
|
||||
|
|
@ -289,4 +302,16 @@ function fbes_options_page() {
|
|||
<? } ?>
|
||||
<?php
|
||||
}
|
||||
|
||||
function curPageURL() {
|
||||
$pageURL = 'http';
|
||||
if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
|
||||
$pageURL .= "://";
|
||||
if ($_SERVER["SERVER_PORT"] != "80") {
|
||||
$pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
|
||||
} else {
|
||||
$pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
|
||||
}
|
||||
return $pageURL;
|
||||
}
|
||||
?>
|
||||
|
|
|
|||
Reference in New Issue