ThinkSDK第三方登录之微信登录SDK可以用了

别人发的ThinkSDK第三方登录没有微信,今天加个微信的SDK.

WeixinSDK.class.php放在THINKPHP\Library\Org\ThinkSDK\sdk\
<?php
class WeixinSDK extends ThinkOauth
{
/**
* 获取requestCode的api接口
* @var string
*/
protected $GetRequestCodeURL = ‘https://open.weixin.qq.com/connect/qrconnect’;

/**
* 获取access_token的api接口
* @var string
*/
protected $GetAccessTokenURL = ‘https://api.weixin.qq.com/sns/oauth2/access_token’;

/**
* API根路径
* @var string
*/
protected $ApiBase = ‘https://api.weixin.qq.com/’;

/**
* 组装接口调用参数 并调用接口
* @param  string $api    微博API
* @param  string $param  调用API的额外参数
* @param  string $method HTTP请求方法 默认为GET
* @return json
*/
public function call($api, $param = ”, $method = ‘GET’, $multi = false){
/* 腾讯QQ调用公共参数 */
$params = array(
‘oauth_consumer_key’ => $this->AppKey,
‘access_token’       => $this->Token[‘access_token’],
‘openid’             => $this->openid(),
‘format’             => ‘json’
);

$data = $this->http($this->url($api), $this->param($params, $param), $method);
print_r($data);
//return json_decode($data, true);
}

/**
* 解析access_token方法请求后的返回值
* @param string $result 获取access_token的方法的返回值
*/
protected function parseToken($result, $extend){
$result=json_decode($result,true);
parse_str($result, $data);
$data=$result;
if($data[‘access_token’] && $data[‘expires_in’]){
$this->Token    = $data;
$data[‘openid’] = $this->openid();
return $data;
}else{
throw new Exception(“获取微信 ACCESS_TOKEN 出错:{$result}”);
}
}

/**
* 获取当前授权应用的openid
* @return string
*/
public function openid(){
$data = $this->Token;
if(isset($data[‘openid’]))
return $data[‘openid’];
elseif($data[‘access_token’]){
$data = $this->http($this->url(‘oauth2.0/me’), array(‘access_token’ => $data[‘access_token’]));
$data = json_decode(trim(substr($data, 9), ” );\n”), true);
if(isset($data[‘openid’]))
return $data[‘openid’];
else
throw new Exception(“获取用户openid出错:{$data[‘error_description’]}”);
} else {
throw new Exception(‘没有获取到openid!’);
}
}
}

WeixinSDK.class.php放在THINKPHP\Library\Org\ThinkSDK\
<?php
// +———————————————————————-
// | TOPThink [ WE CAN DO IT JUST THINK ]
// +———————————————————————-
// | Copyright (c) 2010 http://topthink.com All rights reserved.
// +———————————————————————-
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +———————————————————————-
// | Author: 麦当苗儿 <zuojiazi.cn@gmail.com> <http://www.zjzit.cn>
// +———————————————————————-
// | ThinkOauth.class.php 2013-02-25
// +———————————————————————-

abstract class ThinkOauth{
/**
* oauth版本
* @var string
*/
protected $Version = ‘2.0’;

/**
* 申请应用时分配的app_key
* @var string
*/
protected $AppKey = ”;

/**
* 申请应用时分配的 app_secret
* @var string
*/
protected $AppSecret = ”;

/**
* 授权类型 response_type 目前只能为code
* @var string
*/
protected $ResponseType = ‘code’;

/**
* grant_type 目前只能为 authorization_code
* @var string
*/
protected $GrantType = ‘authorization_code’;

/**
* 回调页面URL  可以通过配置文件配置
* @var string
*/
protected $Callback = ”;

/**
* 获取request_code的额外参数 URL查询字符串格式
* @var srting
*/
protected $Authorize = ”;

/**
* 获取request_code请求的URL
* @var string
*/
protected $GetRequestCodeURL = ”;

/**
* 获取access_token请求的URL
* @var string
*/
protected $GetAccessTokenURL = ”;

/**
* API根路径
* @var string
*/
protected $ApiBase = ”;

/**
* 授权后获取到的TOKEN信息
* @var array
*/
protected $Token = null;

/**
* 调用接口类型
* @var string
*/
private $Type = ”;

/**
* 构造方法,配置应用信息
* @param array $token
*/
public function __construct($token = null){
//设置SDK类型
$class = get_class($this);
$this->Type = strtoupper(substr($class, 0, strlen($class)-3));

//获取应用配置
$config = C(“THINK_SDK_{$this->Type}”);
if(empty($config[‘APP_KEY’]) || empty($config[‘APP_SECRET’])){
throw new Exception(‘请配置您申请的APP_KEY和APP_SECRET’);
} else {
$this->AppKey    = $config[‘APP_KEY’];
$this->AppSecret = $config[‘APP_SECRET’];
$this->Token     = $token; //设置获取到的TOKEN
}
}

/**
* 取得Oauth实例
* @static
* @return mixed 返回Oauth
*/
public static function getInstance($type, $token = null) {
$name = ucfirst(strtolower($type)) . ‘SDK’;
require_once “sdk/{$name}.class.php”;
if (class_exists($name)) {
return new $name($token);
} else {
halt(L(‘_CLASS_NOT_EXIST_’) . ‘:’ . $name);
}
}

/**
* 初始化配置
*/
private function config(){
$config = C(“THINK_SDK_{$this->Type}”);
if(!empty($config[‘AUTHORIZE’]))
$this->Authorize = $config[‘AUTHORIZE’];
if(!empty($config[‘CALLBACK’]))
$this->Callback = $config[‘CALLBACK’];
else
throw new Exception(‘请配置回调页面地址’);
}

/**
* 请求code
*/
public function getRequestCodeURL($type){
$this->config();
//Oauth 标准参数
if($type==”weixin”){
$params = array(
‘appid’     => $this->AppKey,
‘redirect_uri’  => $this->Callback,
‘response_type’ => $this->ResponseType,
‘scope’ => ‘snsapi_login’,//应用授权作用域,拥有多个作用域用逗号(,)分隔,网页应用目前仅填写snsapi_login即可
);
}else{
$params = array(
‘client_id’     => $this->AppKey,
‘redirect_uri’  => $this->Callback,
‘response_type’ => $this->ResponseType,
);
}

//获取额外参数
if($this->Authorize){
parse_str($this->Authorize, $_param);
if(is_array($_param)){
$params = array_merge($params, $_param);
} else {
throw new Exception(‘AUTHORIZE配置不正确!’);
}
}
return $this->GetRequestCodeURL . ‘?’ . http_build_query($params);
}

/**
* 获取access_token
* @param string $code 上一步请求到的code
*/
public function getAccessToken($code, $extend = null,$type){
$this->config();
if($type==”weixin”){
$params = array(
‘appid’     => $this->AppKey,
‘secret’    => $this->AppSecret,
‘grant_type’    => $this->GrantType,
‘code’          => $code,
);
}else{
$params = array(
‘client_id’     => $this->AppKey,
‘client_secret’ => $this->AppSecret,
‘grant_type’    => $this->GrantType,
‘code’          => $code,
‘redirect_uri’  => $this->Callback,
);
}
$data = $this->http($this->GetAccessTokenURL, $params, ‘POST’);
$this->Token = $this->parseToken($data, $extend);
return $this->Token;
}

/**
* 合并默认参数和额外参数
* @param array $params  默认参数
* @param array/string $param 额外参数
* @return array:
*/
protected function param($params, $param){
if(is_string($param))
parse_str($param, $param);
return array_merge($params, $param);
}

/**
* 获取指定API请求的URL
* @param  string $api API名称
* @param  string $fix api后缀
* @return string      请求的完整URL
*/
protected function url($api, $fix = ”){
return $this->ApiBase . $api . $fix;
}

/**
* 发送HTTP请求方法,目前只支持CURL发送请求
* @param  string $url    请求URL
* @param  array  $params 请求参数
* @param  string $method 请求方法GET/POST
* @return array  $data   响应数据
*/
protected function http($url, $params, $method = ‘GET’, $header = array(), $multi = false){
$opts = array(
CURLOPT_TIMEOUT        => 30,
CURLOPT_RETURNTRANSFER => 1,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_SSL_VERIFYHOST => false,
CURLOPT_HTTPHEADER     => $header
);

/* 根据请求类型设置特定参数 */
switch(strtoupper($method)){
case ‘GET’:
$opts[CURLOPT_URL] = $url . ‘?’ . http_build_query($params);
break;
case ‘POST’:
//判断是否传输文件
$params = $multi ? $params : http_build_query($params);
$opts[CURLOPT_URL] = $url;
$opts[CURLOPT_POST] = 1;
$opts[CURLOPT_POSTFIELDS] = $params;
break;
default:
throw new Exception(‘不支持的请求方式!’);
}

/* 初始化并执行curl请求 */
$ch = curl_init();
curl_setopt_array($ch, $opts);
$data  = curl_exec($ch);
$error = curl_error($ch);
curl_close($ch);
if($error) throw new Exception(‘请求发生错误:’ . $error);
return  $data;
}

/**
* 抽象方法,在SNSSDK中实现
* 组装接口调用参数 并调用接口
*/
abstract protected function call($api, $param = ”, $method = ‘GET’, $multi = false);

/**
* 抽象方法,在SNSSDK中实现
* 解析access_token方法请求后的返回值
*/
abstract protected function parseToken($result, $extend);

/**
* 抽象方法,在SNSSDK中实现
* 获取当前授权用户的SNS标识
*/
abstract public function openid();
}