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remove X-Forwarded-* headers added by nginx when proxying data source & plugin requests (#8418)

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* remove X-Forwarded-* headers added by nginx when proxying data source & plugin requests

* properly handle X-Forwarded-For
This commit is contained in:
Dan Cech
2017-05-24 04:39:40 -07:00
committed by Torkel Ödegaard
parent 2d29d7b3d6
commit 007c08f2a8
2 changed files with 44 additions and 1 deletions
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22
pkg/api/dataproxy.go
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@ -3,6 +3,7 @@ package api
import (
"bytes"
"io/ioutil"
"net"
"net/http"
"net/http/httputil"
"net/url"
@ -62,6 +63,27 @@ func NewReverseProxy(ds *m.DataSource, proxyPath string, targetUrl *url.URL) *ht
// clear cookie headers
req.Header.Del("Cookie")
req.Header.Del("Set-Cookie")
// clear X-Forwarded Host/Port/Proto headers
req.Header.Del("X-Forwarded-Host")
req.Header.Del("X-Forwarded-Port")
req.Header.Del("X-Forwarded-Proto")
// set X-Forwarded-For header
if req.RemoteAddr != "" {
remoteAddr, _, err := net.SplitHostPort(req.RemoteAddr)
if err != nil {
remoteAddr = req.RemoteAddr
}
if req.Header.Get("X-Forwarded-For") != "" {
req.Header.Set("X-Forwarded-For", req.Header.Get("X-Forwarded-For")+", "+remoteAddr)
} else {
req.Header.Set("X-Forwarded-For", remoteAddr)
}
}
// reqBytes, _ := httputil.DumpRequestOut(req, true);
// log.Trace("Proxying datasource request: %s", string(reqBytes))
}
return &httputil.ReverseProxy{Director: director, FlushInterval: time.Millisecond * 200}