mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-11-26 03:59:12 +08:00
91 lines
2.1 KiB
Go
91 lines
2.1 KiB
Go
package weed_server
|
|
|
|
import (
|
|
"io"
|
|
"net/http"
|
|
"net/url"
|
|
"strings"
|
|
|
|
"github.com/chrislusf/seaweedfs/weed/filer2"
|
|
"github.com/chrislusf/seaweedfs/weed/glog"
|
|
"github.com/chrislusf/seaweedfs/weed/operation"
|
|
"github.com/chrislusf/seaweedfs/weed/util"
|
|
)
|
|
|
|
func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request, isGetMethod bool) {
|
|
path := r.URL.Path
|
|
if strings.HasSuffix(path, "/") && len(path) > 1 {
|
|
path = path[:len(path)-1]
|
|
}
|
|
|
|
entry, err := fs.filer.FindEntry(filer2.FullPath(path))
|
|
if err != nil {
|
|
glog.V(1).Infof("Not found %s: %v", path, err)
|
|
w.WriteHeader(http.StatusNotFound)
|
|
return
|
|
}
|
|
|
|
if entry.IsDirectory() {
|
|
if fs.disableDirListing {
|
|
w.WriteHeader(http.StatusMethodNotAllowed)
|
|
return
|
|
}
|
|
fs.listDirectoryHandler(w, r)
|
|
return
|
|
}
|
|
|
|
if len(entry.Chunks) == 0 {
|
|
glog.V(1).Infof("no file chunks for %s, attr=%+v", path, entry.Attr)
|
|
w.WriteHeader(http.StatusNoContent)
|
|
return
|
|
}
|
|
|
|
// FIXME pick the right fid
|
|
fileId := entry.Chunks[0].FileId
|
|
|
|
urlLocation, err := operation.LookupFileId(fs.getMasterNode(), fileId)
|
|
if err != nil {
|
|
glog.V(1).Infoln("operation LookupFileId %s failed, err is %s", fileId, err.Error())
|
|
w.WriteHeader(http.StatusNotFound)
|
|
return
|
|
}
|
|
urlString := urlLocation
|
|
if fs.redirectOnRead {
|
|
http.Redirect(w, r, urlString, http.StatusFound)
|
|
return
|
|
}
|
|
u, _ := url.Parse(urlString)
|
|
q := u.Query()
|
|
for key, values := range r.URL.Query() {
|
|
for _, value := range values {
|
|
q.Add(key, value)
|
|
}
|
|
}
|
|
u.RawQuery = q.Encode()
|
|
request := &http.Request{
|
|
Method: r.Method,
|
|
URL: u,
|
|
Proto: r.Proto,
|
|
ProtoMajor: r.ProtoMajor,
|
|
ProtoMinor: r.ProtoMinor,
|
|
Header: r.Header,
|
|
Body: r.Body,
|
|
Host: r.Host,
|
|
ContentLength: r.ContentLength,
|
|
}
|
|
glog.V(3).Infoln("retrieving from", u)
|
|
resp, do_err := util.Do(request)
|
|
if do_err != nil {
|
|
glog.V(0).Infoln("failing to connect to volume server", do_err.Error())
|
|
writeJsonError(w, r, http.StatusInternalServerError, do_err)
|
|
return
|
|
}
|
|
defer resp.Body.Close()
|
|
for k, v := range resp.Header {
|
|
w.Header()[k] = v
|
|
}
|
|
w.WriteHeader(resp.StatusCode)
|
|
io.Copy(w, resp.Body)
|
|
|
|
}
|