[更新]增加网页微信登录支持

WeOpen/Login.php

@@ -0,0 +1,86 @@
+<?php
+
+// +----------------------------------------------------------------------
+// | WeChatDeveloper
+// +----------------------------------------------------------------------
+// | 版权所有 2014~2018 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
+// +----------------------------------------------------------------------
+// | 官方网站: http://think.ctolog.com
+// +----------------------------------------------------------------------
+// | 开源协议 ( https://mit-license.org )
+// +----------------------------------------------------------------------
+// | github开源项目：https://github.com/zoujingli/WeChatDeveloper
+// +----------------------------------------------------------------------
+
+namespace WeOpen;
+
+use WeChat\Contracts\DataArray;
+use WeChat\Contracts\Tools;
+use WeChat\Exceptions\InvalidArgumentException;
+
+/**
+ * 网站应用微信登录
+ * Class Login
+ * @package WeOpen
+ */
+class Login
+{
+ /**
+ * 当前配置对象
+ * @var DataArray
+ */
+ protected $config;
+
+ /**
+ * Login constructor.
+ * @param array $options
+ */
+ public function __construct(array $options)
+ {
+ $this->config = new DataArray($options);
+ if (empty($options['appid'])) {
+ throw new InvalidArgumentException("Missing Config -- [appid]");
+ }
+ if (empty($options['appsecret'])) {
+ throw new InvalidArgumentException("Missing Config -- [appsecret]");
+ }
+ }
+
+ /**
+ * 第一步：请求CODE
+ * @param string $redirectUri 请使用urlEncode对链接进行处理
+ * @return string
+ */
+ public function auth($redirectUri)
+ {
+ $appid = $this->config->get('appid');
+ $redirectUri = urlencode($redirectUri);
+ return "https://open.weixin.qq.com/connect/qrconnect?appid={$appid}&redirect_uri=${$redirectUri}&response_type=code&scope=snsapi_login&state={$appid}#wechat_redirect";
+ }
+
+ /**
+ * 第二步：通过code获取access_token
+ * @return mixed
+ */
+ public function getAccessToken()
+ {
+ $appid = $this->config->get('appid');
+ $secret = $this->config->get('appsecret');
+ $code = isset($_GET['code']) ? $_GET['code'] : '';
+ $url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid={$appid}&secret={$secret}&code={$code}&grant_type=authorization_code";
+ return json_decode(Tools::get($url));
+ }
+
+ /**
+ * 刷新AccessToken有效期
+ * @param string $refreshToken
+ * @return array
+ */
+ public function refreshToken($refreshToken)
+ {
+ $appid = $this->config->get('appid');
+ $url = "https://api.weixin.qq.com/sns/oauth2/refresh_token?appid={$appid}&grant_type=refresh_token&refresh_token={$refreshToken}";
+ return json_decode(Tools::get($url));
+ }
+
+}