Файл: sngine-v2.8/Script/includes/libs/HybridAuth/Thirdparty/Facebook/Authentication/OAuth2Client.php
Строк: 299
<?php
/**
* Copyright 2017 Facebook, Inc.
*
* You are hereby granted a non-exclusive, worldwide, royalty-free license to
* use, copy, modify, and distribute this software in source code or binary
* form for use in connection with the web services and APIs provided by
* Facebook.
*
* As with any software that integrates with the Facebook platform, your use
* of this software is subject to the Facebook Developer Principles and
* Policies [http://developers.facebook.com/policy/]. This copyright notice
* shall be included in all copies or substantial portions of the software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
namespace FacebookAuthentication;
use FacebookFacebook;
use FacebookFacebookApp;
use FacebookFacebookRequest;
use FacebookFacebookResponse;
use FacebookFacebookClient;
use FacebookExceptionsFacebookResponseException;
use FacebookExceptionsFacebookSDKException;
/**
* Class OAuth2Client
*
* @package Facebook
*/
class OAuth2Client
{
/**
* @const string The base authorization URL.
*/
const BASE_AUTHORIZATION_URL = 'https://www.facebook.com';
/**
* The FacebookApp entity.
*
* @var FacebookApp
*/
protected $app;
/**
* The Facebook client.
*
* @var FacebookClient
*/
protected $client;
/**
* The version of the Graph API to use.
*
* @var string
*/
protected $graphVersion;
/**
* The last request sent to Graph.
*
* @var FacebookRequest|null
*/
protected $lastRequest;
/**
* @param FacebookApp $app
* @param FacebookClient $client
* @param string|null $graphVersion The version of the Graph API to use.
*/
public function __construct(FacebookApp $app, FacebookClient $client, $graphVersion = null)
{
$this->app = $app;
$this->client = $client;
$this->graphVersion = $graphVersion ?: Facebook::DEFAULT_GRAPH_VERSION;
}
/**
* Returns the last FacebookRequest that was sent.
* Useful for debugging and testing.
*
* @return FacebookRequest|null
*/
public function getLastRequest()
{
return $this->lastRequest;
}
/**
* Get the metadata associated with the access token.
*
* @param AccessToken|string $accessToken The access token to debug.
*
* @return AccessTokenMetadata
*/
public function debugToken($accessToken)
{
$accessToken = $accessToken instanceof AccessToken ? $accessToken->getValue() : $accessToken;
$params = ['input_token' => $accessToken];
$this->lastRequest = new FacebookRequest(
$this->app,
$this->app->getAccessToken(),
'GET',
'/debug_token',
$params,
null,
$this->graphVersion
);
$response = $this->client->sendRequest($this->lastRequest);
$metadata = $response->getDecodedBody();
return new AccessTokenMetadata($metadata);
}
/**
* Generates an authorization URL to begin the process of authenticating a user.
*
* @param string $redirectUrl The callback URL to redirect to.
* @param string $state The CSPRNG-generated CSRF value.
* @param array $scope An array of permissions to request.
* @param array $params An array of parameters to generate URL.
* @param string $separator The separator to use in http_build_query().
*
* @return string
*/
public function getAuthorizationUrl($redirectUrl, $state, array $scope = [], array $params = [], $separator = '&')
{
$params += [
'client_id' => $this->app->getId(),
'state' => $state,
'response_type' => 'code',
'sdk' => 'php-sdk-' . Facebook::VERSION,
'redirect_uri' => $redirectUrl,
'scope' => implode(',', $scope)
];
return static::BASE_AUTHORIZATION_URL . '/' . $this->graphVersion . '/dialog/oauth?' . http_build_query($params, null, $separator);
}
/**
* Get a valid access token from a code.
*
* @param string $code
* @param string $redirectUri
*
* @return AccessToken
*
* @throws FacebookSDKException
*/
public function getAccessTokenFromCode($code, $redirectUri = '')
{
$params = [
'code' => $code,
'redirect_uri' => $redirectUri,
];
return $this->requestAnAccessToken($params);
}
/**
* Exchanges a short-lived access token with a long-lived access token.
*
* @param AccessToken|string $accessToken
*
* @return AccessToken
*
* @throws FacebookSDKException
*/
public function getLongLivedAccessToken($accessToken)
{
$accessToken = $accessToken instanceof AccessToken ? $accessToken->getValue() : $accessToken;
$params = [
'grant_type' => 'fb_exchange_token',
'fb_exchange_token' => $accessToken,
];
return $this->requestAnAccessToken($params);
}
/**
* Get a valid code from an access token.
*
* @param AccessToken|string $accessToken
* @param string $redirectUri
*
* @return AccessToken
*
* @throws FacebookSDKException
*/
public function getCodeFromLongLivedAccessToken($accessToken, $redirectUri = '')
{
$params = [
'redirect_uri' => $redirectUri,
];
$response = $this->sendRequestWithClientParams('/oauth/client_code', $params, $accessToken);
$data = $response->getDecodedBody();
if (!isset($data['code'])) {
throw new FacebookSDKException('Code was not returned from Graph.', 401);
}
return $data['code'];
}
/**
* Send a request to the OAuth endpoint.
*
* @param array $params
*
* @return AccessToken
*
* @throws FacebookSDKException
*/
protected function requestAnAccessToken(array $params)
{
$response = $this->sendRequestWithClientParams('/oauth/access_token', $params);
$data = $response->getDecodedBody();
if (!isset($data['access_token'])) {
throw new FacebookSDKException('Access token was not returned from Graph.', 401);
}
// Graph returns two different key names for expiration time
// on the same endpoint. Doh! :/
$expiresAt = 0;
if (isset($data['expires'])) {
// For exchanging a short lived token with a long lived token.
// The expiration time in seconds will be returned as "expires".
$expiresAt = time() + $data['expires'];
} elseif (isset($data['expires_in'])) {
// For exchanging a code for a short lived access token.
// The expiration time in seconds will be returned as "expires_in".
// See: https://developers.facebook.com/docs/facebook-login/access-tokens#long-via-code
$expiresAt = time() + $data['expires_in'];
}
return new AccessToken($data['access_token'], $expiresAt);
}
/**
* Send a request to Graph with an app access token.
*
* @param string $endpoint
* @param array $params
* @param AccessToken|string|null $accessToken
*
* @return FacebookResponse
*
* @throws FacebookResponseException
*/
protected function sendRequestWithClientParams($endpoint, array $params, $accessToken = null)
{
$params += $this->getClientParams();
$accessToken = $accessToken ?: $this->app->getAccessToken();
$this->lastRequest = new FacebookRequest(
$this->app,
$accessToken,
'GET',
$endpoint,
$params,
null,
$this->graphVersion
);
return $this->client->sendRequest($this->lastRequest);
}
/**
* Returns the client_* params for OAuth requests.
*
* @return array
*/
protected function getClientParams()
{
return [
'client_id' => $this->app->getId(),
'client_secret' => $this->app->getSecret(),
];
}
}