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php实现paypal 授权登录，php实现paypal授权_PHP教程

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Jul 13, 2016 am 09:52 AM

paypal php 授权登录

php实现paypal 授权登录，php实现paypal授权

php实现paypal 授权登录

<&#63;php
 
/**
 * @project   paypal login
 * @author   jiangjianhe 
 * @date   2015-04-03
 */
 
 
class paypallogin
{
 
  //沙箱token链接
  private $_sanbox_oauth2_auth_uri = 'https://www.sandbox.paypal.com/webapps/auth/protocol/openidconnect/v1/authorize';
  private $_live_oauth2_auth_uri = 'https://www.paypal.com/webapps/auth/protocol/openidconnect/v1/authorize';
   
  private $_acquire_user_profile_sandbox_url = 'https://www.sandbox.paypal.com/webapps/auth/protocol/openidconnect/v1/userinfo&#63;schema=openid&access_token=';
  private $_acquire_user_profile_live_url = 'https://www.paypal.com/webapps/auth/protocol/openidconnect/v1/userinfo&#63;schema=openid&access_token=';
 
  //沙箱token链接
  private $_token_service_sandbox_url = 'https://www.sandbox.paypal.com/webapps/auth/protocol/openidconnect/v1/tokenservice'; 
  private $_token_service_live_url = 'https://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 https://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;:https://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 &#63; $this->_sanbox_oauth2_auth_uri :$this->_live_oauth2_auth_uri;
    $url = $oauth2_auth_uri.'&#63;'.
    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>code</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 $code &#63;
   * @return string    access token
   */
  public function acquire_access_token($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;
    }
  }
}
&#63;>

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