authelia/internal/server/error_handler.go
James Elliott c9e8a924e0
[FEATURE] Buffer size configuration and additional http error handling (#944)
* implement read buffer size config option
* implement write buffer size config option
* implement fasthttp ErrorHandler so we can log errors to Authelia as well
* add struct/schema validation
* add default value
* add docs
* add config key to validator
* refactoring
* apply suggestions from code review

Co-authored-by: Amir Zarrinkafsh <nightah@me.com>
2020-04-30 12:03:05 +10:00

27 lines
1.3 KiB
Go

package server
import (
"net"
"github.com/valyala/fasthttp"
"github.com/authelia/authelia/internal/logging"
)
// Replacement for the default error handler in fasthttp.
func autheliaErrorHandler(ctx *fasthttp.RequestCtx, err error) {
if _, ok := err.(*fasthttp.ErrSmallBuffer); ok {
// Note: Getting X-Forwarded-For or Request URI is impossible for ths error.
logging.Logger().Tracef("Request was too large to handle from client %s. Response Code %d.", ctx.RemoteIP().String(), fasthttp.StatusRequestHeaderFieldsTooLarge)
ctx.Error("Request header too large", fasthttp.StatusRequestHeaderFieldsTooLarge)
} else if netErr, ok := err.(*net.OpError); ok && netErr.Timeout() {
// TODO: Add X-Forwarded-For Check here.
logging.Logger().Tracef("Request timeout occurred while handling from client %s: %s. Response Code %d.", ctx.RemoteIP().String(), ctx.RequestURI(), fasthttp.StatusRequestTimeout)
ctx.Error("Request timeout", fasthttp.StatusRequestTimeout)
} else {
// TODO: Add X-Forwarded-For Check here.
logging.Logger().Tracef("An unknown error occurred while handling a request from client %s: %s. Response Code %d.", ctx.RemoteIP().String(), ctx.RequestURI(), fasthttp.StatusBadRequest)
ctx.Error("Error when parsing request", fasthttp.StatusBadRequest)
}
}