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补全Extend文件
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@martinzhou2015
martinzhou2015 committed Feb 7, 2017
1 parent 47c2a7d commit 382cddf
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261 changes: 261 additions & 0 deletions Application/Extend/Oauth/ThinkOauth.class.php
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<?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 <[email protected]> <http://www.zjzit.cn>
// +----------------------------------------------------------------------
// | ThinkOauth.class.php 2013-02-25
// +----------------------------------------------------------------------
namespace Extend\Oauth;

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(){
$this->config();
//Oauth 标准参数
$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){
$this->config();
$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();
}
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