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<?php |
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/** |
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* WechatOAuth |
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* |
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* @license MIT |
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* @author zhangv |
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*/ |
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namespace zhangv\wechat\pay\util; |
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class WechatOAuth { |
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const TICKETTYPE_JSAPI = 'jsapi',TICKETTYPE_WXCARD = 'wx_card'; |
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public $responseJSON = null; |
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public $errCode = null; |
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public $errMsg = null; |
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private $appId = null; |
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private $appSecret = null; |
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private $httpClient = null; |
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private $accessToken = null; |
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public function __construct($appId,$appSecret) { |
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$this->appId = $appId; |
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$this->appSecret = $appSecret; |
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$this->httpClient = new HttpClient(); |
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} |
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public function setHttpClient($httpClient){ |
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$this->httpClient = $httpClient; |
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} |
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public function authorizeURI($redirectURI,$scope = 'snsapi_userinfo',$state = ''){ |
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$redirectURI = urlencode($redirectURI); |
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return "https://open.weixin.qq.com/connect/oauth2/authorize?appid={$this->appId}&redirect_uri={$redirectURI}&response_type=code&scope=$scope&state=$state#wechat_redirect"; |
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} |
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public function authorize($code){ |
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$url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid={$this->appId}&secret={$this->appSecret}&code=$code&grant_type=authorization_code"; |
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$this->responseJSON = $this->httpClient->get($url); |
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return json_decode($this->responseJSON); |
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} |
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public function getUserInfo($openId){ |
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$url = "https://api.weixin.qq.com/sns/userinfo?access_token={$this->accessToken}&openid=$openId&lang=zh_CN"; |
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$this->responseJSON = $this->httpClient->get($url); |
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return json_decode($this->responseJSON); |
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} |
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public function refreshToken($refreshToken){ |
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$url = "https://api.weixin.qq.com/sns/oauth2/refresh_token?appid={$this->appId}&grant_type=refresh_token&refresh_token=$refreshToken"; |
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$this->responseJSON = $this->httpClient->get($url); |
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return json_decode($this->responseJSON); |
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} |
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public function verifyToken($accessToken,$openId){ |
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$url = "https://api.weixin.qq.com/sns/auth?access_token=$accessToken&openid=$openId"; |
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$this->responseJSON = $this->httpClient->get($url); |
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return json_decode($this->responseJSON); |
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} |
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public function getAccessToken(){ |
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$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$this->appId}&secret={$this->appSecret}"; |
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$this->responseJSON = $this->httpClient->get($url); |
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$json = json_decode($this->responseJSON); |
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$this->accessToken = $json->access_token; |
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return $this->accessToken; |
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} |
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public function getTicket($type = WechatOAuth::TICKETTYPE_JSAPI, $accessToken = null){ |
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if(!$accessToken) $accessToken = $this->getAccessToken(); |
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// $url = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=$accessToken"; |
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$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type={$type}&access_token=$accessToken"; |
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$this->responseJSON = $this->httpClient->get($url); |
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return json_decode($this->responseJSON); |
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} |
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public function getSession($code){ |
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$url = "https://api.weixin.qq.com/sns/jscode2session?appid={$this->appId}&secret={$this->appSecret}&js_code=$code&grant_type=authorization_code"; |
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$this->responseJSON = $this->httpClient->get($url); |
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return json_decode($this->responseJSON); |
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} |
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public function getSignPackage($url = null, $ticket = null){ |
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if(!$url){ |
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$url = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || |
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(!empty($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == 443)) ? "https://" : "http://"; |
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$url .= "{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"; |
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} |
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if(!$ticket) $ticket = $this->getTicket(); |
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$timestamp = time(); |
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$nonceStr = $this->getNonceStr(); |
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$rawString = "jsapi_ticket=$ticket&noncestr=$nonceStr×tamp=$timestamp&url=$url"; |
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$signature = sha1($rawString); |
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$signPackage = array( |
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"appId" => $this->appId, |
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"nonceStr" => $nonceStr, |
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"timestamp" => $timestamp, |
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"url" => $url, |
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"signature" => $signature, |
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"rawString" => $rawString |
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); |
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return $signPackage; |
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} |
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private function getNonceStr() { |
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return substr(str_shuffle("abcdefghijklmnopqrstuvwxyz0123456789"),0,32); |
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} |
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} |
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zhangv /
wechat-pay
