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