func (ri *RequestId) Filter(req zerver.Request, resp zerver.Response, chain zerver.FilterChain) {
if req.Method() == "GET" {
chain(req, resp)
return
}
reqId := req.Header(ri.HeaderName)
if reqId == "" {
if ri.PassingOnNoId {
chain(req, resp)
} else {
resp.ReportBadRequest()
resp.Send("error", ri.Error)
}
} else {
id := req.RemoteIP() + ":" + reqId
if err := ri.Store.Save(id); err == ErrRequestIDExist {
resp.ReportForbidden()
resp.Send("error", ri.ErrorOverlap)
} else if err != nil {
ri.logger.Warnln(err)
} else {
chain(req, resp)
ri.Store.Remove(id)
}
}
}
func (c *CORS) filter(req zerver.Request, resp zerver.Response, chain zerver.FilterChain) {
origin := "*"
if !c.allowAll {
origin = req.Header(_CORS_ORIGIN)
if !c.allow(origin) {
resp.ReportForbidden()
return
}
}
resp.SetHeader(_CORS_ALLOWORIGIN, origin)
resp.SetHeader(_CORS_ALLOWMETHODS, c.methods)
resp.SetHeader(_CORS_ALLOWHEADERS, c.headers)
resp.SetHeader(_CORS_ALLOWCREDENTIALS, c.allowCredentials)
if c.exposeHeaders != "" {
resp.SetHeader(_CORS_EXPOSEHEADERS, c.exposeHeaders)
}
if c.preflightMaxage != "" {
resp.SetHeader(_CORS_MAXAGE, c.preflightMaxage)
}
chain(req, resp)
}