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package weed_server
import (
"github.com/seaweedfs/seaweedfs/weed/glog"
"github.com/seaweedfs/seaweedfs/weed/security"
util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
"github.com/seaweedfs/seaweedfs/weed/util/mem"
"github.com/seaweedfs/seaweedfs/weed/util/request_id"
"io"
"math/rand/v2"
"net/http"
)
func (fs *FilerServer) maybeAddVolumeJwtAuthorization(r *http.Request, fileId string, isWrite bool) {
encodedJwt := fs.maybeGetVolumeJwtAuthorizationToken(fileId, isWrite)
if encodedJwt == "" {
return
}
r.Header.Set("Authorization", "BEARER "+string(encodedJwt))
}
func (fs *FilerServer) maybeGetVolumeJwtAuthorizationToken(fileId string, isWrite bool) string {
var encodedJwt security.EncodedJwt
if isWrite {
encodedJwt = security.GenJwtForVolumeServer(fs.volumeGuard.SigningKey, fs.volumeGuard.ExpiresAfterSec, fileId)
} else {
encodedJwt = security.GenJwtForVolumeServer(fs.volumeGuard.ReadSigningKey, fs.volumeGuard.ReadExpiresAfterSec, fileId)
}
return string(encodedJwt)
}
func (fs *FilerServer) proxyToVolumeServer(w http.ResponseWriter, r *http.Request, fileId string) {
ctx := r.Context()
urlStrings, err := fs.filer.MasterClient.GetLookupFileIdFunction()(ctx, fileId)
if err != nil {
glog.ErrorfCtx(ctx, "locate %s: %v", fileId, err)
w.WriteHeader(http.StatusInternalServerError)
return
}
if len(urlStrings) == 0 {
w.WriteHeader(http.StatusNotFound)
return
}
proxyReq, err := http.NewRequest(r.Method, urlStrings[rand.IntN(len(urlStrings))], r.Body)
if err != nil {
glog.ErrorfCtx(ctx, "NewRequest %s: %v", urlStrings[0], err)
w.WriteHeader(http.StatusInternalServerError)
return
}
proxyReq.Header.Set("Host", r.Host)
proxyReq.Header.Set("X-Forwarded-For", r.RemoteAddr)
request_id.InjectToRequest(ctx, proxyReq)
for header, values := range r.Header {
for _, value := range values {
proxyReq.Header.Add(header, value)
}
}
proxyResponse, postErr := util_http.GetGlobalHttpClient().Do(proxyReq)
if postErr != nil {
glog.ErrorfCtx(ctx, "post to filer: %v", postErr)
w.WriteHeader(http.StatusInternalServerError)
return
}
defer util_http.CloseResponse(proxyResponse)
for k, v := range proxyResponse.Header {
w.Header()[k] = v
}
w.WriteHeader(proxyResponse.StatusCode)
buf := mem.Allocate(128 * 1024)
defer mem.Free(buf)
io.CopyBuffer(w, proxyResponse.Body, buf)
}
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