143 lines
4.7 KiB
PHP
143 lines
4.7 KiB
PHP
<?php
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namespace addons\third\library;
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use fast\Http;
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use think\Config;
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use think\Session;
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/**
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* 微信
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*/
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class Wechat
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{
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const GET_AUTH_CODE_URL = "https://open.weixin.qq.com/connect/oauth2/authorize";
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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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protected $getAuthCodeUrl = "https://open.weixin.qq.com/connect/oauth2/authorize";
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protected $isWechat = true;
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protected $isWeb = false;
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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 $config = [];
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public function __construct($options = [])
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{
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if ($config = Config::get('third.wechat')) {
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$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->isWechat = Service::isWechat();
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if (!$this->isWechat && request()->server('HTTP_USER_AGENT') && !request()->header('sid')) {
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//不在微信内调用PC端扫码登录
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$config = get_addon_config('third');
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$this->config = array_merge($this->config, $config['wechatweb'] ?? []);
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$this->isWeb = true;
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$this->getAuthCodeUrl = "https://open.weixin.qq.com/connect/qrconnect";
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}
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}
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/**
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* 登陆
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*/
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public function login()
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{
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header("Location:" . $this->getAuthorizeUrl());
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}
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/**
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* 获取authorize_url
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*/
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public function getAuthorizeUrl()
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{
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$state = md5(uniqid(rand(), true));
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Session::set('state', $state);
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$queryarr = array(
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"appid" => $this->config['app_id'],
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"redirect_uri" => $this->config['callback'],
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"response_type" => "code",
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"scope" => $this->config['scope'],
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"state" => $state,
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);
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if ($this->isWeb) {
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//PC端应用scope固定值
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$queryarr['scope'] = "snsapi_login";
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}
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$url = $this->getAuthCodeUrl . '?' . http_build_query($queryarr) . '#wechat_redirect';
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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 = $params ?: request()->get('', null, null);
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if (isset($params['access_token']) || (isset($params['state']) && $params['state'] == Session::get('state') && isset($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 = $data['access_token'] ?? '';
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$refresh_token = $data['refresh_token'] ?? '';
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$expires_in = $data['expires_in'] ?? 0;
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if ($access_token) {
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$openid = $data['openid'] ?? '';
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$unionid = $data['unionid'] ?? '';
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if (preg_match("/(snsapi_userinfo|snsapi_login)/i", $this->config['scope'])) {
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//获取用户信息
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$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 = Http::get(self::GET_USERINFO_URL, $queryarr);
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$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['avatar'] = $userinfo['headimgurl'] ?? '';
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} else {
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$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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'apptype' => $this->isWeb ? 'web' : 'mp' //自定义 web:网页应用 mp 公众号
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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 $code code
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* @return array
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*/
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public function getAccessToken($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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"appid" => $this->config['app_id'],
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"secret" => $this->config['app_secret'],
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"code" => $code,
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"grant_type" => "authorization_code",
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);
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$response = Http::get(self::GET_ACCESS_TOKEN_URL, $queryarr);
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$ret = (array)json_decode($response, true);
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return $ret ?: [];
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}
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}
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