/**
* 检验授权凭证（access_token）是否有效
*
* @param string $access_token
* @param string $openid
* @return mixed
*/
public function checkAccessToken($access_token, $openid)
{
$url = 'https://api.weixin.qq.com/sns/auth?access_token=' . $access_token . '&openid=' . $openid;
return spWxHttpUtil::http_get($url);
}
/**
* JS SDK ticket
*
* @param string $request_url
* @param string $type jsapi, wx_card
* @return bool|mixed|string
* @throws \spWxException
*/
public function getJSSDKTicket($request_url = '', $type = 'jsapi')
{
$token = $this->getAccessToken();
$url = 'https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=' . $type . '&access_token=' . $token;
$cache_key = 'wx:ticket:' . $type . ':' . md5($url);
$jsapi_ticket = spWxCache::get($cache_key);
$jsapi_ticket = json_decode($jsapi_ticket, true);
if (!$jsapi_ticket) {
$jsapi_ticket = spWxHttpUtil::http_get($url);
spWxLogger::LogHttpGet($url, $jsapi_ticket);
if (isset($jsapi_ticket['errcode']) && $jsapi_ticket['errcode'] == '40001') {
$this->delAccessToken();
return $this->getJSSDKTicket($request_url);
}
if (!isset($jsapi_ticket['ticket']) || !isset($jsapi_ticket['expires_in'])) {
throw new spWxException('服务器故障，请稍后重试', 9210201);
}
spWxCache::set($cache_key, json_encode($jsapi_ticket), $jsapi_ticket['expires_in'] - 300);
}
$noncestr = md5(uniqid('sskaje', true));
$jsapi_ticket['noncestr'] = $noncestr;
$jsapi_ticket['timestamp'] = time();
$signstr = 'jsapi_ticket=' . $jsapi_ticket['ticket'] . '&noncestr=' . $jsapi_ticket['noncestr'] . '×tamp=' . $jsapi_ticket['timestamp'];
if (empty($request_url)) {
$signstr .= '&url=' . 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
} else {
$signstr .= '&url=' . $request_url;
}
$jsapi_ticket['signature'] = sha1($signstr);
$jsapi_ticket['signstr'] = $signstr;
$jsapi_ticket['appid'] = $this->app_id;
return $jsapi_ticket;
}