144 lines
4.5 KiB
PHP
144 lines
4.5 KiB
PHP
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<?php
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declare (strict_types = 1);
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namespace system\third;
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use GuzzleHttp\Client;
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/**
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* 微信登录类
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*/
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class weixin
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{
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const GET_AUTH_CODE_URL = "https://open.weixin.qq.com/connect/qrconnect";
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const GET_ACCESS_TOKEN_URL = "https://api.weixin.qq.com/sns/oauth2/access_token";
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const GET_USERINFO_URL = "https://api.weixin.qq.com/sns/userinfo";
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/**
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* 配置信息
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* @var array
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*/
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private $config = [];
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/**
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* Http实例
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* @var Object
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*/
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protected $http = null;
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public function __construct($options = [])
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{
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if ($config = saenv('weixin')) {
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$this->config = array_merge($this->config, $config);
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}
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$this->config = array_merge($this->config, is_array($options) ? $options : []);
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$this->http = new Client();
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}
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/**
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* 用户登录
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*/
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public function login() {
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return redirect($this->getAuthorizeUrl());
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}
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/**
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* 获取登录地址
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*/
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public function getAuthorizeUrl()
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{
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$state = hash('sha256',uniqid((string)mt_rand()));
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session('state', $state);
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$queryarr = array(
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"response_type" => "code",
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"appid" => $this->config['app_id'],
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"redirect_uri" => $this->config['callback'],
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"scope" => 'snsapi_login,',
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"state" => $state,
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);
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request()->isMobile() && $queryarr['display'] = 'mobile';
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$url = self::GET_AUTH_CODE_URL . '?' . http_build_query($queryarr);
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return $url;
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}
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/**
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* 获取用户信息
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* @param array $params
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* @return array
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*/
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public function getUserInfo($params = [])
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{
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$params = $params ? $params : input();
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if (isset($params['access_token']) || (isset($params['state']) && $params['state'] == session('state') && isset($params['code']))) {
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//获取access_token
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$data = isset($params['code']) ? $this->getAccessToken($params['code']) : $params;
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$access_token = isset($data['access_token']) ? $data['access_token'] : '';
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$refresh_token = isset($data['refresh_token']) ? $data['refresh_token'] : '';
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$expires_in = isset($data['expires_in']) ? $data['expires_in'] : 0;
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if ($access_token) {
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$openid = isset($data['openid']) ? $data['openid'] : '';
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$unionid = isset($data['unionid']) ? $data['unionid'] : '';
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if (stripos($data['scope'], 'snsapi_login') !== false) {
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//获取用户信息
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$queryarr = [
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"access_token" => $access_token,
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"openid" => $openid,
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"lang" => 'zh_CN'
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];
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$ret = $this->http->get(self::GET_USERINFO_URL.'?'.http_build_query($queryarr))->getBody()->getContents();
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$userinfo = (array)json_decode($ret, true);
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if (!$userinfo || isset($userinfo['errcode'])) {
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return [];
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}
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$userinfo = $userinfo ? $userinfo : [];
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$userinfo['avatar'] = isset($userinfo['headimgurl']) ? $userinfo['headimgurl'] : '';
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$userinfo['avatar'] = str_replace('http://','https://',$userinfo['avatar']);
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} else {
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$userinfo = [];
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}
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$data = [
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'access_token' => $access_token,
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'refresh_token' => $refresh_token,
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'expires_in' => $expires_in,
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'openid' => $openid,
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'unionid' => $unionid,
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'userinfo' => $userinfo
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];
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return $data;
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}
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}
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return [];
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}
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/**
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* 获取access_token
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* @param string code
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* @return array
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*/
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public function getAccessToken($code = '')
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{
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if (!$code) {
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return [];
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}
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$queryarr = array(
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"grant_type" => "authorization_code",
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"appid" => $this->config['app_id'],
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"secret" => $this->config['app_key'],
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"code" => $code,
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);
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$response = $this->http->get(self::GET_ACCESS_TOKEN_URL.'?'.http_build_query($queryarr))->getBody()->getContents();
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$ret = (array)json_decode($response, true);
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return $ret ? $ret : [];
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}
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}
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