milfs/librerias/hybridauth/Hybrid/Provider_Adapter.php

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<?php
/**
* HybridAuth
* http://hybridauth.sourceforge.net | http://github.com/hybridauth/hybridauth
* (c) 2009-2015, HybridAuth authors | http://hybridauth.sourceforge.net/licenses.html
*/
/**
* Hybrid_Provider_Adapter is the basic class which Hybrid_Auth will use
* to connect users to a given provider.
*
* Basically Hybrid_Provider_Adapter will create a bridge from your php
* application to the provider api.
*
* Hybrid_Auth will automatically load Hybrid_Provider_Adapter and create
* an instance of it for each authenticated provider.
*/
class Hybrid_Provider_Adapter {
/**
* Provider ID (or unique name)
* @var mixed
*/
public $id = null;
/**
* Provider adapter specific config
* @var array
*/
public $config = null;
/**
* Provider adapter extra parameters
* @var array
*/
public $params = array();
/**
* Provider adapter wrapper path
* @var string
*/
public $wrapper = null;
/**
* Provider adapter instance
* @var Hybrid_Provider_Model
*/
public $adapter = null;
/**
* Create a new adapter switch IDp name or ID
*
* @param string $id The id or name of the IDp
* @param array $params (optional) required parameters by the adapter
* @return Hybrid_Provider_Adapter
* @throws Exception
*/
function factory($id, $params = array()) {
Hybrid_Logger::info("Enter Hybrid_Provider_Adapter::factory( $id )");
# init the adapter config and params
$this->id = $id;
$this->params = $params;
$this->id = $this->getProviderCiId($this->id);
$this->config = $this->getConfigById($this->id);
# check the IDp id
if (!$this->id) {
throw new Exception("No provider ID specified.", 2);
}
# check the IDp config
if (!$this->config) {
throw new Exception("Unknown Provider ID, check your configuration file.", 3);
}
# check the IDp adapter is enabled
if (!$this->config["enabled"]) {
throw new Exception("The provider '{$this->id}' is not enabled.", 3);
}
# include the adapter wrapper
if (isset($this->config["wrapper"]) && is_array($this->config["wrapper"])) {
if (isset($this->config["wrapper"]["path"])) {
require_once $this->config["wrapper"]["path"];
}
if (!class_exists($this->config["wrapper"]["class"])) {
throw new Exception("Unable to load the adapter class.", 3);
}
$this->wrapper = $this->config["wrapper"]["class"];
} else {
require_once Hybrid_Auth::$config["path_providers"] . $this->id . ".php";
$this->wrapper = "Hybrid_Providers_" . $this->id;
}
# create the adapter instance, and pass the current params and config
$this->adapter = new $this->wrapper($this->id, $this->config, $this->params);
return $this;
}
/**
* Hybrid_Provider_Adapter::login(), prepare the user session and the authentication request
* for index.php
* @return void
* @throw Exception
*/
function login() {
Hybrid_Logger::info("Enter Hybrid_Provider_Adapter::login( {$this->id} ) ");
if (!$this->adapter) {
throw new Exception("Hybrid_Provider_Adapter::login() should not directly used.");
}
// clear all unneeded params
foreach (Hybrid_Auth::$config["providers"] as $idpid => $params) {
Hybrid_Auth::storage()->delete("hauth_session.{$idpid}.hauth_return_to");
Hybrid_Auth::storage()->delete("hauth_session.{$idpid}.hauth_endpoint");
Hybrid_Auth::storage()->delete("hauth_session.{$idpid}.id_provider_params");
}
// make a fresh start
$this->logout();
# get hybridauth base url
if (empty(Hybrid_Auth::$config["base_url"])) {
// the base url wasn't provide, so we must use the current
// url (which makes sense actually)
$url = empty($_SERVER['HTTPS']) || $_SERVER['HTTPS'] == 'off' ? 'http' : 'https';
$url .= '://' . $_SERVER['HTTP_HOST'];
$url .= $_SERVER['REQUEST_URI'];
$HYBRID_AUTH_URL_BASE = $url;
} else {
$HYBRID_AUTH_URL_BASE = Hybrid_Auth::$config["base_url"];
}
// make sure params is array
if (!is_array($this->params)) {
$this->params = array();
}
# we make use of session_id() as storage hash to identify the current user
# using session_regenerate_id() will be a problem, but ..
$this->params["hauth_token"] = session_id();
# set request timestamp
$this->params["hauth_time"] = time();
# for default HybridAuth endpoint url hauth_login_start_url
# auth.start required the IDp ID
# auth.time optional login request timestamp
$this->params["login_start"] = $HYBRID_AUTH_URL_BASE . ( strpos($HYBRID_AUTH_URL_BASE, '?') ? '&' : '?' ) . "hauth.start={$this->id}&hauth.time={$this->params["hauth_time"]}";
# for default HybridAuth endpoint url hauth_login_done_url
# auth.done required the IDp ID
$this->params["login_done"] = $HYBRID_AUTH_URL_BASE . ( strpos($HYBRID_AUTH_URL_BASE, '?') ? '&' : '?' ) . "hauth.done={$this->id}";
if (isset($this->params["hauth_return_to"])) {
Hybrid_Auth::storage()->set("hauth_session.{$this->id}.hauth_return_to", $this->params["hauth_return_to"]);
}
if (isset($this->params["login_done"])) {
Hybrid_Auth::storage()->set("hauth_session.{$this->id}.hauth_endpoint", $this->params["login_done"]);
}
Hybrid_Auth::storage()->set("hauth_session.{$this->id}.id_provider_params", $this->params);
// store config to be used by the end point
Hybrid_Auth::storage()->config("CONFIG", Hybrid_Auth::$config);
// move on
Hybrid_Logger::debug("Hybrid_Provider_Adapter::login( {$this->id} ), redirect the user to login_start URL.");
Hybrid_Auth::redirect($this->params["login_start"]);
}
/**
* Let hybridauth forget all about the user for the current provider
* @return bool
*/
function logout() {
$this->adapter->logout();
}
// --------------------------------------------------------------------
/**
* Return true if the user is connected to the current provider
* @return bool
*/
public function isUserConnected() {
return $this->adapter->isUserConnected();
}
// --------------------------------------------------------------------
/**
* Call adapter methods defined in the adapter model:
* getUserProfile()
* getUserContacts()
* getUserActivity()
* setUserStatus()
*
* @param string $name Method name
* @param array $arguments Call arguments
* @return mixed
* @throws Exception
*/
public function __call($name, $arguments) {
Hybrid_Logger::info("Enter Hybrid_Provider_Adapter::$name(), Provider: {$this->id}");
if (!$this->isUserConnected()) {
throw new Exception("User not connected to the provider {$this->id}.", 7);
}
if (!method_exists($this->adapter, $name)) {
throw new Exception("Call to undefined function Hybrid_Providers_{$this->id}::$name().");
}
$counter = count($arguments);
if ($counter == 1) {
return $this->adapter->$name($arguments[0]);
} elseif ($counter == 2) {
return $this->adapter->$name($arguments[0], $arguments[1]);
} else {
return $this->adapter->$name();
}
}
/**
* If the user is connected, then return the access_token and access_token_secret
* if the provider api use oauth
*
* <code>
* array(
* 'access_token' => '',
* 'access_token_secret' => '',
* 'refresh_token' => '',
* 'expires_in' => '',
* 'expires_at' => '',
* )
* </code>
* @return array
*/
public function getAccessToken() {
if (!$this->adapter->isUserConnected()) {
Hybrid_Logger::error("User not connected to the provider.");
throw new Exception("User not connected to the provider.", 7);
}
return array(
"access_token" => $this->adapter->token("access_token"), // OAuth access token
"access_token_secret" => $this->adapter->token("access_token_secret"), // OAuth access token secret
"refresh_token" => $this->adapter->token("refresh_token"), // OAuth refresh token
"expires_in" => $this->adapter->token("expires_in"), // OPTIONAL. The duration in seconds of the access token lifetime
"expires_at" => $this->adapter->token("expires_at"), // OPTIONAL. Timestamp when the access_token expire. if not provided by the social api, then it should be calculated: expires_at = now + expires_in
);
}
/**
* Naive getter of the current connected IDp API client
* @return stdClass
* @throws Exception
*/
function api() {
if (!$this->adapter->isUserConnected()) {
Hybrid_Logger::error("User not connected to the provider.");
throw new Exception("User not connected to the provider.", 7);
}
return $this->adapter->api;
}
/**
* Redirect the user to hauth_return_to (the callback url)
* @return void
*/
function returnToCallbackUrl() {
// get the stored callback url
$callback_url = Hybrid_Auth::storage()->get("hauth_session.{$this->id}.hauth_return_to");
// remove some unneeded stored data
Hybrid_Auth::storage()->delete("hauth_session.{$this->id}.hauth_return_to");
Hybrid_Auth::storage()->delete("hauth_session.{$this->id}.hauth_endpoint");
Hybrid_Auth::storage()->delete("hauth_session.{$this->id}.id_provider_params");
// back to home
Hybrid_Auth::redirect($callback_url);
}
/**
* Return the provider config by id
*
* @param string $id Config key
* @return mixed
*/
function getConfigById($id) {
if (isset(Hybrid_Auth::$config["providers"][$id])) {
return Hybrid_Auth::$config["providers"][$id];
}
return null;
}
/**
* Return the provider config by id; case insensitive
*
* @param string $id Provider id
* @return mixed
*/
function getProviderCiId($id) {
foreach (Hybrid_Auth::$config["providers"] as $idpid => $params) {
if (strtolower($idpid) == strtolower($id)) {
return $idpid;
}
}
return null;
}
}