func submitForClientHandler(w http.ResponseWriter, r *http.Request, masterUrl string) {
jwt := security.GetJwt(r)
m := make(map[string]interface{})
if r.Method != "POST" {
writeJsonError(w, r, http.StatusMethodNotAllowed, errors.New("Only submit via POST!"))
return
}
debug("parsing upload file...")
fname, data, mimeType, isGzipped, lastModified, _, _, pe := storage.ParseUpload(r)
if pe != nil {
writeJsonError(w, r, http.StatusBadRequest, pe)
return
}
debug("assigning file id for", fname)
r.ParseForm()
assignResult, ae := operation.Assign(masterUrl, 1, r.FormValue("replication"), r.FormValue("collection"), r.FormValue("ttl"))
if ae != nil {
writeJsonError(w, r, http.StatusInternalServerError, ae)
return
}
url := "http://" + assignResult.Url + "/" + assignResult.Fid
if lastModified != 0 {
url = url + "?ts=" + strconv.FormatUint(lastModified, 10)
}
debug("upload file to store", url)
uploadResult, err := operation.Upload(url, fname, bytes.NewReader(data), isGzipped, mimeType, jwt)
if err != nil {
writeJsonError(w, r, http.StatusInternalServerError, err)
return
}
m["fileName"] = fname
m["fid"] = assignResult.Fid
m["fileUrl"] = assignResult.PublicUrl + "/" + assignResult.Fid
m["size"] = uploadResult.Size
writeJsonQuiet(w, r, http.StatusCreated, m)
return
}
func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) {
query := r.URL.Query()
replication := query.Get("replication")
if replication == "" {
replication = fs.defaultReplication
}
collection := query.Get("collection")
if collection == "" {
collection = fs.collection
}
var fileId string
var err error
var urlLocation string
if r.Method == "PUT" {
buf, _ := ioutil.ReadAll(r.Body)
r.Body = analogueReader{bytes.NewBuffer(buf)}
fileName, _, _, _, _, _, _, pe := storage.ParseUpload(r)
if pe != nil {
glog.V(0).Infoln("failing to parse post body", pe.Error())
writeJsonError(w, r, http.StatusInternalServerError, pe)
return
}
//reconstruct http request body for following new request to volume server
r.Body = analogueReader{bytes.NewBuffer(buf)}
path := r.URL.Path
if strings.HasSuffix(path, "/") {
if fileName != "" {
path += fileName
}
}
if fileId, err = fs.filer.FindFile(path); err != nil && err != leveldb.ErrNotFound {
glog.V(0).Infoln("failing to find path in filer store", path, err.Error())
writeJsonError(w, r, http.StatusInternalServerError, err)
return
} else if fileId != "" && err == nil {
var le error
urlLocation, le = operation.LookupFileId(fs.master, fileId)
if le != nil {
glog.V(1).Infoln("operation LookupFileId %s failed, err is %s", fileId, le.Error())
w.WriteHeader(http.StatusNotFound)
return
}
}
} else {
assignResult, ae := operation.Assign(fs.master, 1, replication, collection, query.Get("ttl"))
if ae != nil {
glog.V(0).Infoln("failing to assign a file id", ae.Error())
writeJsonError(w, r, http.StatusInternalServerError, ae)
return
}
fileId = assignResult.Fid
urlLocation = "http://" + assignResult.Url + "/" + assignResult.Fid
}
u, _ := url.Parse(urlLocation)
glog.V(4).Infoln("post to", u)
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,
}
resp, do_err := util.Do(request)
if do_err != nil {
glog.V(0).Infoln("failing to connect to volume server", r.RequestURI, do_err.Error())
writeJsonError(w, r, http.StatusInternalServerError, do_err)
return
}
defer resp.Body.Close()
resp_body, ra_err := ioutil.ReadAll(resp.Body)
if ra_err != nil {
glog.V(0).Infoln("failing to upload to volume server", r.RequestURI, ra_err.Error())
writeJsonError(w, r, http.StatusInternalServerError, ra_err)
return
}
glog.V(4).Infoln("post result", string(resp_body))
var ret operation.UploadResult
unmarshal_err := json.Unmarshal(resp_body, &ret)
if unmarshal_err != nil {
glog.V(0).Infoln("failing to read upload resonse", r.RequestURI, string(resp_body))
writeJsonError(w, r, http.StatusInternalServerError, unmarshal_err)
return
}
if ret.Error != "" {
glog.V(0).Infoln("failing to post to volume server", r.RequestURI, ret.Error)
writeJsonError(w, r, http.StatusInternalServerError, errors.New(ret.Error))
return
}
path := r.URL.Path
if strings.HasSuffix(path, "/") {
if ret.Name != "" {
path += ret.Name
} else {
operation.DeleteFile(fs.master, fileId, fs.jwt(fileId)) //clean up
glog.V(0).Infoln("Can not to write to folder", path, "without a file name!")
writeJsonError(w, r, http.StatusInternalServerError,
errors.New("Can not to write to folder "+path+" without a file name"))
return
}
}
glog.V(4).Infoln("saving", path, "=>", fileId)
if db_err := fs.filer.CreateFile(path, fileId); db_err != nil {
operation.DeleteFile(fs.master, fileId, fs.jwt(fileId)) //clean up
glog.V(0).Infof("failing to write %s to filer server : %v", path, db_err)
writeJsonError(w, r, http.StatusInternalServerError, db_err)
return
}
w.WriteHeader(http.StatusCreated)
w.Write(resp_body)
}