/**
* action 'oauth', the OAuth callback
*
* @param Request $request
* @param Response $response
*/
public function oauth(Request $request, Response $response)
{
//trace_debug('weixin_oauth2_callback_doing', $_GET);
$code = $request->get('code', '');
if ('' != $code) {
//授权通过
$state = $request->get('state', '');
$refer = $request->get('refer', '/');
$from = $request->arg(2);
if (empty($from)) {
$from = 'weixin';
}
$auth_action = $request->get('act', '');
$refer = rawurldecode($refer);
//收获地址base oauth回调
if ('jsapi_address' == $auth_action) {
$response->redirect($refer . '&code=' . $code . '&state=' . $state);
}
//授权出错
if (!in_array($state, array('base', 'detail'))) {
Fn::show_error_message('授权出错，不能访问应用！');
}
$wx = new Weixin();
//用code换取access token
$code_ret = $wx->request_access_token($code);
if (!empty($code_ret['errcode'])) {
Fn::show_error_message('微信授权错误<br/>' . $code_ret['errcode'] . '(' . $code_ret['errmsg'] . ')');
}
//获取到openid
$openid = $code_ret['openid'];
$uid = 0;
$auth_method = 'oauth2_' . $state;
//认证方式
//查询本地是否存在对应openid的用户
$uinfo_bd = Member::getTinyInfoByOpenid($openid, $from);
if (empty($uinfo_bd)) {
//用户不存在，则要尝试建立
//保存微信用户信息到本地库
$udata = ['openid' => $openid, 'auth_method' => $auth_method];
$uid = Member::createUser($udata, $from);
$uinfo_bd = ['uid' => $uid];
} else {
//用户已存在，对state='base'，则仅需设置登录状态；而对state='detail'，需保存或更新用户数据
$uid = intval($uinfo_bd['uid']);
}
//detail认证模式，需更新用户数据
if ('detail' == $state && empty($uinfo_bd['nickname'])) {
$uinfo_wx = $wx->userInfoByOAuth2($openid, $code_ret['access_token']);
if (!empty($uinfo_wx['errcode'])) {
//失败！则报错
Fn::show_error_message('微信获取用户信息出错！<br/>' . $uinfo_wx['errcode'] . '(' . $uinfo_wx['errmsg'] . ')');
}
//保存微信用户信息到本地库
$udata = ['unionid' => isset($uinfo_wx['unionid']) ? $uinfo_wx['unionid'] : '', 'subscribe' => isset($uinfo_wx['subscribe']) ? $uinfo_wx['subscribe'] : 0, 'subscribe_time' => isset($uinfo_wx['subscribe_time']) ? $uinfo_wx['subscribe_time'] : 0, 'nickname' => isset($uinfo_wx['nickname']) ? $uinfo_wx['nickname'] : '', 'logo' => isset($uinfo_wx['headimgurl']) ? $uinfo_wx['headimgurl'] : '', 'sex' => isset($uinfo_wx['sex']) ? $uinfo_wx['sex'] : 0, 'lang' => isset($uinfo_wx['language']) ? $uinfo_wx['language'] : '', 'country' => isset($uinfo_wx['country']) ? $uinfo_wx['country'] : '', 'province' => isset($uinfo_wx['province']) ? $uinfo_wx['province'] : '', 'city' => isset($uinfo_wx['city']) ? $uinfo_wx['city'] : '', 'auth_method' => $auth_method];
Member::updateUser($udata, $openid, $from);
//尝试用基本型接口获取用户信息，以便确认用户是否已经关注(基本型接口存在 50000000次/日 调用限制，且仅对关注者有效)
if (FALSE && !$uinfo_bd['subscribe'] && !$udata['subscribe']) {
$uinfo_wx = $wx->userInfo($openid);
//trace_debug('weixin_basic_userinfo', $uinfo_wx);
if (!empty($uinfo_wx['errcode'])) {
//失败！说明很可能没关注，维持现状不处理
} else {
//成功！说明之前已经关注，得更新关注标记
$udata = ['subscribe' => isset($uinfo_wx['subscribe']) ? $uinfo_wx['subscribe'] : 0, 'subscribe_time' => isset($uinfo_wx['subscribe_time']) ? $uinfo_wx['subscribe_time'] : 0];
Member::updateUser($udata, $openid, $from);
}
}
}
//End: if ('detail'===$state)
//设置本地登录状态
if ('login' == $auth_action) {
if (empty($uid)) {
Fn::show_error_message('微信授权登录失败！');
}
Member::setLocalLogin($uid);
}
//跳转
$response->redirect($refer);
} else {
//授权未通过
Fn::show_error_message('未授权，不能访问应用！');
}
}