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Vkontakte через протокол Oauth 2.0 #32

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Vkontakte через протокол Oauth 2.0 #32

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105 changes: 77 additions & 28 deletions library/SAuth/Adapter/Vkontakte.php
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,9 @@
/**
* @see SAuth_Adapter_Abstract
*/
require_once 'SAuth/Adapter/Abstract.php';
require_once 'Abstract.php';

/** require_once 'SAuth/Adapter/Abstract.php'; **/

/**
* @see Zend_Auth_Adapter_Interface
Expand All @@ -13,17 +15,22 @@
/**
* Authentication with vkontakte
*
* http://vkontakte.ru/developers.php?o=-1&p=Open+API
* http://vkontakte.ru/developers.php?oid=-1&p=Авторизация_сайтов
*/
class SAuth_Adapter_Vkontakte extends SAuth_Adapter_Abstract implements Zend_Auth_Adapter_Interface {

/**
* @var array Configuration array
*/
protected $_config = array(
'consumerId' => '',
'consumerSecret' => '',
'callbackUrl' => '',
'consumerId' => '',
'consumerSecret' => '',
'callbackUrl' => '',
'userAuthorizationUrl' => 'http://api.vkontakte.ru/oauth/authorize',
'accessTokenUrl' => 'https://api.vkontakte.ru/oauth/access_token',
'requestDatarUrl' => 'https://graph.facebook.com/me',
'responseType' => 'code',
'scope' => array(),
);

/**
Expand All @@ -39,37 +46,79 @@ public function authenticate() {

$config = $this->getConfig();

$apiId = $config['consumerId'];
$apiSecret = $config['consumerSecret'];
$authorizationUrl = $config['userAuthorizationUrl'];
$accessTokenUrl = $config['accessTokenUrl'];
$clientId = $config['consumerId'];
$clientSecret = $config['consumerSecret'];
$redirectUrl = $config['callbackUrl'];
$responseType = $config['responseType'];

if (empty($apiId) || empty($apiSecret)) {
if (isset($_GET['code']) && !empty($_GET['code'])) {

$accessConfig = array(
'client_id' => $clientId,
'client_secret' => $clientSecret,
'code' => trim($_GET['code']),
);

require_once 'Zend/Auth/Adapter/Exception.php';
throw new Zend_Auth_Adapter_Exception('Vkontakte auth configuration not specifed');
}

$appCookie = isset($_COOKIE['vk_app_' . $apiId]) ? $this->parseResponseUrl($_COOKIE['vk_app_' . $apiId]) : null;
$vkUserCookie = isset($_COOKIE['vk_user_info_' . $apiId]) ? $this->parseResponseUrl($_COOKIE['vk_user_info_' . $apiId]) : null;

if (!empty($appCookie)) {
//create sign
$sign = 'expire=' . $appCookie['expire'] . 'mid=' . $appCookie['mid'] . 'secret=' . $appCookie['secret']
. 'sid=' . $appCookie['sid'];
$sign = md5($sign . $apiSecret);
$response = $this->httpRequest('GET', $accessTokenUrl, $accessConfig);

if ($appCookie['sig'] == $sign) {

//unset vk info cookie
setcookie('vk_user_info_' . $apiId, '', time() - 1000, '/');
if ($response->isError()) {
//vkontakte return 400 http code on error
switch ($response->getStatus()) {
case '400':
$parsedErrors = $this->parseResponseJson($response->getBody());
$error = $parsedErrors['error']['message'];
break;
default:
$error = 'Vkontakte Oauth service unavailable';
break;
}

return new Zend_Auth_Result(Zend_Auth_Result::FAILURE, false, array($error));

$identity = $this->_prepareIdentity(array_merge($appCookie, $vkUserCookie));
} elseif ($response->isSuccessful()) {

$parsedResponse = $this->parseResponseJson($response->getBody());

/*
Дополнительные поля, список с обозначениями тут:
http://vkontakte.ru/developers.php?oid=-1&p=Описание_полей_параметра_fields
*/

$userConfig = array(
'uid' => $parsedResponse['user_id'],
'fields' => 'photo_rec,screen_name',
'access_token' => $parsedResponse['access_token'],
);

$userRequest = $this->httpRequest('GET', 'https://api.vkontakte.ru/method/getProfiles', $userConfig);
$userParameters = $this->parseResponseJson($userRequest->getBody());

$identity = $this->_prepareIdentity(array_merge($parsedResponse, $userParameters['response']['0']));

return new Zend_Auth_Result(Zend_Auth_Result::SUCCESS, $identity);

}
} elseif (!isset($_GET['error'])) {

$authorizationConfig = array(
'client_id' => $clientId,
'redirect_uri' => $redirectUrl.'/index/auth/by/vkontakte',
'scope' => 'audio',
'response_type' => 'code',
);

$url = 'http://api.vkontakte.ru/oauth/authorize?';
$url .= http_build_query($authorizationConfig, null, '&');
header('Location: ' . $url);
exit(1);

} else {

return new Zend_Auth_Result(Zend_Auth_Result::FAILURE, false, array($_GET['error']));

}

$error = 'Vkontakte auth failed';
return new Zend_Auth_Result(Zend_Auth_Result::FAILURE, false, array($error));
}

}