259 lines
6.4 KiB
PHP
259 lines
6.4 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | TOPThink [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2010 http://topthink.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: 麦当苗儿 <zuojiazi.cn@gmail.com> <http://www.zjzit.cn>
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// +----------------------------------------------------------------------
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// | ThinkOauth.class.php 2013-02-25
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// +----------------------------------------------------------------------
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abstract class ThinkOauth{
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/**
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* oauth版本
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* @var string
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*/
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protected $Version = '2.0';
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/**
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* 申请应用时分配的app_key
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* @var string
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*/
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protected $AppKey = '';
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/**
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* 申请应用时分配的 app_secret
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* @var string
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*/
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protected $AppSecret = '';
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/**
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* 授权类型 response_type 目前只能为code
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* @var string
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*/
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protected $ResponseType = 'code';
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/**
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* grant_type 目前只能为 authorization_code
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* @var string
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*/
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protected $GrantType = 'authorization_code';
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/**
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* 回调页面URL 可以通过配置文件配置
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* @var string
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*/
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protected $Callback = '';
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/**
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* 获取request_code的额外参数 URL查询字符串格式
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* @var srting
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*/
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protected $Authorize = '';
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/**
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* 获取request_code请求的URL
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* @var string
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*/
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protected $GetRequestCodeURL = '';
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/**
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* 获取access_token请求的URL
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* @var string
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*/
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protected $GetAccessTokenURL = '';
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/**
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* API根路径
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* @var string
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*/
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protected $ApiBase = '';
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/**
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* 授权后获取到的TOKEN信息
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* @var array
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*/
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protected $Token = null;
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/**
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* 调用接口类型
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* @var string
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*/
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private $Type = '';
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/**
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* 构造方法，配置应用信息
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* @param array $token
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*/
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public function __construct($token = null){
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//设置SDK类型
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$class = get_class($this);
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$this->Type = strtoupper(substr($class, 0, strlen($class)-3));
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//获取应用配置
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$config = C("THINK_SDK_{$this->Type}");
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if(empty($config['APP_KEY']) || empty($config['APP_SECRET'])){
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throw new Exception('请配置您申请的APP_KEY和APP_SECRET');
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} else {
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$this->AppKey = $config['APP_KEY'];
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$this->AppSecret = $config['APP_SECRET'];
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$this->Token = $token; //设置获取到的TOKEN
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}
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}
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/**
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* 取得Oauth实例
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* @static
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* @return mixed 返回Oauth
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*/
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public static function getInstance($type, $token = null) {
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$name = ucfirst(strtolower($type)) . 'SDK';
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require_once "sdk/{$name}.class.php";
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if (class_exists($name)) {
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return new $name($token);
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} else {
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E(L('_CLASS_NOT_EXIST_') . ':' . $name);
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}
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}
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/**
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* 初始化配置
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*/
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private function config(){
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$config = C("THINK_SDK_{$this->Type}");
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if(!empty($config['AUTHORIZE']))
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$this->Authorize = $config['AUTHORIZE'];
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if(!empty($config['CALLBACK']))
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$this->Callback = $config['CALLBACK'];
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else
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throw new Exception('请配置回调页面地址');
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}
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/**
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* 请求code
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*/
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public function getRequestCodeURL(){
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$this->config();
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//Oauth 标准参数
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$params = array(
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'client_id' => $this->AppKey,
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'redirect_uri' => $this->Callback,
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'response_type' => $this->ResponseType,
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);
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//获取额外参数
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if($this->Authorize){
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parse_str($this->Authorize, $_param);
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if(is_array($_param)){
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$params = array_merge($params, $_param);
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} else {
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throw new Exception('AUTHORIZE配置不正确！');
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}
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}
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return $this->GetRequestCodeURL . '?' . http_build_query($params);
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}
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/**
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* 获取access_token
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* @param string $code 上一步请求到的code
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*/
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public function getAccessToken($code, $extend = null){
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$this->config();
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$params = array(
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'client_id' => $this->AppKey,
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'client_secret' => $this->AppSecret,
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'grant_type' => $this->GrantType,
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'code' => $code,
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'redirect_uri' => $this->Callback,
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);
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$data = $this->http($this->GetAccessTokenURL, $params, 'POST');
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$this->Token = $this->parseToken($data, $extend);
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return $this->Token;
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}
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/**
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* 合并默认参数和额外参数
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* @param array $params 默认参数
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* @param array/string $param 额外参数
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* @return array:
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*/
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protected function param($params, $param){
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if(is_string($param))
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parse_str($param, $param);
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return array_merge($params, $param);
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}
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/**
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* 获取指定API请求的URL
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* @param string $api API名称
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* @param string $fix api后缀
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* @return string 请求的完整URL
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*/
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protected function url($api, $fix = ''){
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return $this->ApiBase . $api . $fix;
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}
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/**
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* 发送HTTP请求方法，目前只支持CURL发送请求
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* @param string $url 请求URL
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* @param array $params 请求参数
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* @param string $method 请求方法GET/POST
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* @return array $data 响应数据
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*/
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protected function http($url, $params, $method = 'GET', $header = array(), $multi = false){
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$opts = array(
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CURLOPT_TIMEOUT => 30,
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CURLOPT_RETURNTRANSFER => 1,
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CURLOPT_SSL_VERIFYPEER => false,
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CURLOPT_SSL_VERIFYHOST => false,
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CURLOPT_HTTPHEADER => $header
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);
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/* 根据请求类型设置特定参数 */
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switch(strtoupper($method)){
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case 'GET':
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$opts[CURLOPT_URL] = $url . '?' . http_build_query($params);
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break;
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case 'POST':
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//判断是否传输文件
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$params = $multi ? $params : http_build_query($params);
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$opts[CURLOPT_URL] = $url;
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$opts[CURLOPT_POST] = 1;
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$opts[CURLOPT_POSTFIELDS] = $params;
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break;
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default:
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throw new Exception('不支持的请求方式！');
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}
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/* 初始化并执行curl请求 */
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$ch = curl_init();
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curl_setopt_array($ch, $opts);
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$data = curl_exec($ch);
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$error = curl_error($ch);
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curl_close($ch);
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if($error) throw new Exception('请求发生错误：' . $error);
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return $data;
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}
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/**
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* 抽象方法，在SNSSDK中实现
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* 组装接口调用参数 并调用接口
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*/
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abstract protected function call($api, $param = '', $method = 'GET', $multi = false);
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/**
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* 抽象方法，在SNSSDK中实现
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* 解析access_token方法请求后的返回值
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*/
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abstract protected function parseToken($result, $extend);
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/**
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* 抽象方法，在SNSSDK中实现
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* 获取当前授权用户的SNS标识
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*/
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abstract public function openid();
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} |