【下载文档:  php实现paypal 授权登录.txt 】

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php实现paypal 授权登录
php实现paypal 授权登录
/**
* @project paypal login
* @author jiangjianhe
* @date 2015-04-03
*/
class paypallogin
{
//沙箱token链接
private $_sanbox_oauth2_auth_uri = 'http://www.sandbox.paypal.com/webapps/auth/protocol/openidconnect/v1/authorize';
private $_live_oauth2_auth_uri = 'http://www.paypal.com/webapps/auth/protocol/openidconnect/v1/authorize';
private $_acquire_user_profile_sandbox_url = 'http://www.sandbox.paypal.com/webapps/auth/protocol/openidconnect/v1/userinfo?schema=openid&access_token=';
private $_acquire_user_profile_live_url = 'http://www.paypal.com/webapps/auth/protocol/openidconnect/v1/userinfo?schema=openid&access_token=';
//沙箱token链接
private $_token_service_sandbox_url = 'http://www.sandbox.paypal.com/webapps/auth/protocol/openidconnect/v1/tokenservice';
private $_token_service_live_url = 'http://www.paypal.com/webapps/auth/protocol/openidconnect/v1/tokenservice';
private $_sanbox_flag = true;
private $_client_id = null;
private $_client_secret = null;
private $_redirect_uri = null;
private $_state = '';
private $_scope = 'openid email phone profile address http://uri.paypal.com/services/paypalattributes'; //scope 参数决定访问令牌的访问权限 各个参数详解url;:http://www.paypal-biz.com/product/login-with-paypal/index.html#configureButton
public $token = null;
public $protocol = "http";
/**
* @name 构造函数
* @param $flag 是否沙箱环境
*/
public function __construct($redirect_uri, $client_id,$client_secret,$scope,$state,$flag = true)
{
$this->_sanbox_flag = $flag;
$this->_redirect_uri = $redirect_uri;
$this->_client_id = $client_id;
$this->_client_secret = $client_secret;
$this->_scope = $scope;
$this->_state = $state;
}
/**
* 创建paypal request url
* @return string
*/
public function create_request_url()
{
$oauth2_auth_uri = $this->_sanbox_flag ? $this->_sanbox_oauth2_auth_uri :$this->_live_oauth2_auth_uri;
$url = $oauth2_auth_uri.'?'.
http_build_query(
array(
'client_id' => $this->_client_id, //通过应用程序注册流程获得的唯一客户端标识符。必需。
'response_type' =>'code', //表明授权代码被发送回应用程序返回URL。为了使访问令牌在用户代理中不可见， 建议使用code一值。如果您希望在响应中同时收到授权代码和 id_token ，请传递 code+id_token。另一个可能的 response_type 值是 token ――大部分由javascript和移动客户端等公共客户端使用。
'scope' => $this->_scope,//;implode(',', $this->scope),
'redirect_uri' => urlencode($this->_redirect_uri), //应用程序的返回URL。结构、主机名和端口必须与您在注册应用程序时设置的返回URL相符。
'nonce' => time().rand(), //不透明的随机标识符，可减少重放攻击风险。简单的函数是：(timestamp + Base64 encoding (random\[16\]))。
'state' => $this->_state, // CSRF验证码
)
);
return $url;
}
/**
* get PayPal access token
* @param string $code ?
* @return string access token
*/
public function acquire_access_token($code ) {
$accessToken = null;
try {
$postvals = sprintf("client_id=%s&client_secret=%s&grant_type=authorization_code&code=%s",$this->_client_id,$this->_client_secret,$code);
if($this->_sanbox_flag)
$ch = curl_init($this->_token_service_sandbox_url);
else
$ch = curl_init($this->_token_service_live_url);
$options = array(
CURLOPT_POST => 1,
CURLOPT_VERBOSE => 1,
CURLOPT_POSTFIELDS => $postvals,
CURLOPT_RETURNTRANSFER => 1,
CURLOPT_SSL_VERIFYPEER => FALSE,
//CURLOPT_SSLVERSION => 2
);
curl_setopt_array($ch, $options);
$response = curl_exec($ch);
$error = curl_error($ch);
curl_close( $ch );
if (!$response ) {
throw new Exception( "Error retrieving access token: " . curl_error($ch));
}
$jsonResponse = json_decode($response );
if ( isset( $jsonResponse->access_token) ) {
$accessToken = $jsonResponse->access_token;
}
} catch( Exception $e) {
throw new Exception($e->getMessage(), 1);
}
return $accessToken;
}
/**
* get the PayPal user profile, decoded
* @param string $accessToken
* @return object
*/
public function acquire_paypal_user_profile($accessToken ) {
try {
if($this->_sanbox_flag)
$url = $this->_acquire_user_profile_sandbox_url . $accessToken;
else
$url = $this->_acquire_user_profile_live_url . $accessToken;
$ch = curl_init( $url );
$options = array(
CURLOPT_RETURNTRANSFER => 1,
CURLOPT_SSL_VERIFYPEER => FALSE,
//CURLOPT_SSLVERSION => 2
);
curl_setopt_array($ch, $options);
$response = curl_exec($ch);
$error = curl_error( $ch);
curl_close( $ch );
if (!$response )
{
return false;
}
return json_decode($response);
} catch( Exception $e ) {
return false;
}
}
}
?>
以上所述就是本文的全部内容了，希望大家能够喜欢。