* @date 2016/10/18 12:38
*/
class Push extends Controller
{
/**
* 微信API推送事件处理
* @param string $appid
* @return string
* @throws \think\Exception
* @throws \WeChat\Exceptions\InvalidDecryptException
* @throws \think\db\exception\DataNotFoundException
* @throws \think\db\exception\ModelNotFoundException
* @throws \think\exception\DbException
* @throws \think\exception\PDOException
*/
public function notify($appid)
{
/* 全网发布接口测试 */
if ($appid === 'wx570bc396a51b8ff8') {
return \app\service\handler\Publish::handler($appid);
}
/* 接口类正常服务 */
return \app\service\handler\Receive::handler($appid);
}
/**
* 一、处理服务推送Ticket
* 二、处理取消公众号授权
* @return string
* @throws \think\Exception
* @throws \WeChat\Exceptions\InvalidResponseException
* @throws \WeChat\Exceptions\LocalCacheException
* @throws \think\exception\PDOException
*/
public function ticket()
{
try {
$server = Wechat::service();
if (!($data = $server->getComonentTicket())) {
return "Ticket event handling failed.";
}
} catch (\Exception $e) {
return "Ticket event handling failed, {$e->getMessage()}";
}
if (!empty($data['AuthorizerAppid']) && isset($data['InfoType'])) {
# 授权成功通知
if ($data['InfoType'] === 'authorized') {
Db::name('WechatServiceConfig')->where(['authorizer_appid' => $data['AuthorizerAppid']])->update(['is_deleted' => '0']);
}
# 接收取消授权服务事件
if ($data['InfoType'] === 'unauthorized') {
Db::name('WechatServiceConfig')->where(['authorizer_appid' => $data['AuthorizerAppid']])->update(['is_deleted' => '1']);
}
# 授权更新通知
if ($data['InfoType'] === 'updateauthorized') {
$_GET['auth_code'] = $data['PreAuthCode'];
$this->applyAuth($server);
}
}
return 'success';
}
/**
* 网页授权
* @throws \think\Exception
* @throws \WeChat\Exceptions\InvalidResponseException
* @throws \WeChat\Exceptions\LocalCacheException
*/
public function oauth()
{
list($mode, $appid, $enurl, $sessid) = [
$this->request->get('mode'), $this->request->get('state'),
$this->request->get('enurl'), $this->request->get('sessid'),
];
$service = Wechat::service();
$result = $service->getOauthAccessToken($appid);
if (empty($result['openid'])) throw new \think\Exception('网页授权失败, 无法进一步操作！');
cache("{$appid}_{$sessid}_openid", $result['openid'], 3600);
if (!empty($mode)) {
$wechat = new \WeChat\Oauth($service->getConfig($appid));
$fans = $wechat->getUserInfo($result['access_token'], $result['openid']);
if (empty($fans)) throw new \think\Exception('网页授权信息获取失败, 无法进一步操作！');
cache("{$appid}_{$sessid}_fans", $fans, 3600);
}
redirect(decode($enurl), [], 301)->send();
}
/**
* 跳转到微信服务授权页面
* @param string $redirect
* @return string
* @throws \think\Exception
* @throws \WeChat\Exceptions\InvalidResponseException
* @throws \WeChat\Exceptions\LocalCacheException
* @throws \think\exception\PDOException
*/
public function auth($redirect = '')
{
$fromRedirect = decode($redirect);
if (empty($redirect) || empty($fromRedirect)) {
return '请传入回跳Redirect参数 ( 请使用ENCODE加密 )';
}
# 预授权码不为空，则表示可以进行授权处理
$service = Wechat::service();
if (($auth_code = $this->request->get('auth_code'))) {
return $this->applyAuth($service, $fromRedirect);
}
# 生成微信授权链接，使用刷新跳转到授权网页
$url = url("@service/api.push/auth/{$redirect}", false, true, true);
if (($redirect = $service->getAuthRedirect($url))) {
ob_clean();
header("Refresh:0;url={$redirect}");
return "跳转中...";
}
# 生成微信授权链接失败
return "Failed to create authorization. Please return to try again.
";
}
/**
* 公众号授权绑定数据处理
* @param \WeOpen\Service $service
* @param string|null $redirect 授权成功回跳地址
* @return string
* @throws \WeChat\Exceptions\InvalidResponseException
* @throws \WeChat\Exceptions\LocalCacheException
* @throws \think\Exception
* @throws \think\exception\PDOException
*/
private function applyAuth($service, $redirect = null)
{
// 通过授权code换取公众号信息
$result = $service->getQueryAuthorizerInfo();
if (empty($result['authorizer_appid'])) {
return "接收微信第三方平台授权失败! ";
}
// 重新通过接口查询公众号参数
if (!($update = array_merge($result, $service->getAuthorizerInfo($result['authorizer_appid'])))) {
return '获取授权数据失败, 请稍候再试!';
}
// 生成公众号授权参数
$update = array_merge(Build::filter($update), [
'status' => '1', 'is_deleted' => '0', 'expires_in' => time() + 7000, 'create_at' => date('y-m-d H:i:s'),
]);
// 微信接口APPKEY处理与更新
$config = Db::name('WechatServiceConfig')->where(['authorizer_appid' => $result['authorizer_appid']])->find();
$update['appkey'] = empty($config['appkey']) ? md5(uniqid('', true)) : $config['appkey'];
data_save('WechatServiceConfig', $update, 'authorizer_appid');
if (!empty($redirect)) { // 带上appid与appkey跳转到应用
$split = stripos($redirect, '?') > 0 ? '&' : '?';
$realurl = preg_replace(['/appid=\w+/i', '/appkey=\w+/i', '/(\?\&)$/i'], ['', '', ''], $redirect);
return redirect("{$realurl}{$split}appid={$update['authorizer_appid']}&appkey={$update['appkey']}");
}
}
}