You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
410 lines
12 KiB
410 lines
12 KiB
/*
|
|
* Minio Cloud Storage, (C) 2018 Minio, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"path"
|
|
"strconv"
|
|
|
|
"net/http"
|
|
|
|
"encoding/gob"
|
|
"encoding/hex"
|
|
|
|
"time"
|
|
|
|
"github.com/gorilla/mux"
|
|
"github.com/minio/minio/cmd/logger"
|
|
)
|
|
|
|
// To abstract a disk over network.
|
|
type storageRESTServer struct {
|
|
storage *posix
|
|
}
|
|
|
|
func (s *storageRESTServer) writeErrorResponse(w http.ResponseWriter, err error) {
|
|
w.WriteHeader(http.StatusForbidden)
|
|
w.Write([]byte(err.Error()))
|
|
}
|
|
|
|
// IsValid - To authenticate and verify the time difference.
|
|
func (s *storageRESTServer) IsValid(w http.ResponseWriter, r *http.Request) bool {
|
|
requestTimeStr := r.Header.Get("X-Minio-Time")
|
|
requestTime, err := time.Parse(time.RFC3339, requestTimeStr)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return false
|
|
}
|
|
utcNow := UTCNow()
|
|
delta := requestTime.Sub(utcNow)
|
|
if delta < 0 {
|
|
delta = delta * -1
|
|
}
|
|
if delta > DefaultSkewTime {
|
|
s.writeErrorResponse(w, fmt.Errorf("client time %v is too apart with server time %v", requestTime, utcNow))
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
// DiskInfoHandler - returns disk info.
|
|
func (s *storageRESTServer) DiskInfoHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
info, err := s.storage.DiskInfo()
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
defer w.(http.Flusher).Flush()
|
|
gob.NewEncoder(w).Encode(info)
|
|
}
|
|
|
|
// MakeVolHandler - make a volume.
|
|
func (s *storageRESTServer) MakeVolHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
err := s.storage.MakeVol(volume)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// ListVolsHandler - list volumes.
|
|
func (s *storageRESTServer) ListVolsHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
infos, err := s.storage.ListVols()
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
defer w.(http.Flusher).Flush()
|
|
gob.NewEncoder(w).Encode(&infos)
|
|
}
|
|
|
|
// StatVolHandler - stat a volume.
|
|
func (s *storageRESTServer) StatVolHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
info, err := s.storage.StatVol(volume)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
defer w.(http.Flusher).Flush()
|
|
gob.NewEncoder(w).Encode(info)
|
|
}
|
|
|
|
// DeleteVolumeHandler - delete a volume.
|
|
func (s *storageRESTServer) DeleteVolHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
err := s.storage.DeleteVol(volume)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// AppendFileHandler - append data from the request to the file specified.
|
|
func (s *storageRESTServer) AppendFileHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
buf := make([]byte, r.ContentLength)
|
|
_, err := io.ReadFull(r.Body, buf)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
err = s.storage.AppendFile(volume, filePath, buf)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// CreateFileHandler - fallocate() space for a file and copy the contents from the request.
|
|
func (s *storageRESTServer) CreateFileHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
fileSizeStr := vars[storageRESTLength]
|
|
fileSize, err := strconv.Atoi(fileSizeStr)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
err = s.storage.CreateFile(volume, filePath, int64(fileSize), r.Body)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// WriteAllHandler - write to file all content.
|
|
func (s *storageRESTServer) WriteAllHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
if r.ContentLength < 0 {
|
|
s.writeErrorResponse(w, errInvalidArgument)
|
|
return
|
|
}
|
|
|
|
buf := make([]byte, r.ContentLength)
|
|
_, err := io.ReadFull(r.Body, buf)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
|
|
err = s.storage.WriteAll(volume, filePath, buf)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// StatFileHandler - stat a file.
|
|
func (s *storageRESTServer) StatFileHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
info, err := s.storage.StatFile(volume, filePath)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
defer w.(http.Flusher).Flush()
|
|
gob.NewEncoder(w).Encode(info)
|
|
}
|
|
|
|
// ReadAllHandler - read all the contents of a file.
|
|
func (s *storageRESTServer) ReadAllHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
buf, err := s.storage.ReadAll(volume, filePath)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
w.Header().Set("Content-Length", strconv.Itoa(len(buf)))
|
|
w.Write(buf)
|
|
}
|
|
|
|
// ReadFileHandler - read section of a file.
|
|
func (s *storageRESTServer) ReadFileHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
offset, err := strconv.Atoi(vars[storageRESTOffset])
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
length, err := strconv.Atoi(vars[storageRESTLength])
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
if offset < 0 || length < 0 {
|
|
s.writeErrorResponse(w, errInvalidArgument)
|
|
return
|
|
}
|
|
var verifier *BitrotVerifier
|
|
if vars[storageRESTBitrotAlgo] != "" {
|
|
hashStr := vars[storageRESTBitrotHash]
|
|
var hash []byte
|
|
hash, err = hex.DecodeString(hashStr)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
verifier = NewBitrotVerifier(BitrotAlgorithmFromString(vars[storageRESTBitrotAlgo]), hash)
|
|
}
|
|
buf := make([]byte, length)
|
|
_, err = s.storage.ReadFile(volume, filePath, int64(offset), buf, verifier)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
w.Header().Set("Content-Length", strconv.Itoa(len(buf)))
|
|
w.Write(buf)
|
|
}
|
|
|
|
// ReadFileHandler - read section of a file.
|
|
func (s *storageRESTServer) ReadFileStreamHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
offset, err := strconv.Atoi(vars[storageRESTOffset])
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
length, err := strconv.Atoi(vars[storageRESTLength])
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
rc, err := s.storage.ReadFileStream(volume, filePath, int64(offset), int64(length))
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
defer rc.Close()
|
|
w.Header().Set("Content-Length", strconv.Itoa(length))
|
|
io.Copy(w, rc)
|
|
}
|
|
|
|
// ListDirHandler - list a directory.
|
|
func (s *storageRESTServer) ListDirHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
dirPath := vars[storageRESTDirPath]
|
|
count, err := strconv.Atoi(vars[storageRESTCount])
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
entries, err := s.storage.ListDir(volume, dirPath, count)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
return
|
|
}
|
|
defer w.(http.Flusher).Flush()
|
|
gob.NewEncoder(w).Encode(&entries)
|
|
}
|
|
|
|
// DeleteFileHandler - delete a file.
|
|
func (s *storageRESTServer) DeleteFileHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
volume := vars[storageRESTVolume]
|
|
filePath := vars[storageRESTFilePath]
|
|
|
|
err := s.storage.DeleteFile(volume, filePath)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// RenameFileHandler - rename a file.
|
|
func (s *storageRESTServer) RenameFileHandler(w http.ResponseWriter, r *http.Request) {
|
|
if !s.IsValid(w, r) {
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
srcVolume := vars[storageRESTSrcVolume]
|
|
srcFilePath := vars[storageRESTSrcPath]
|
|
dstVolume := vars[storageRESTDstVolume]
|
|
dstFilePath := vars[storageRESTDstPath]
|
|
err := s.storage.RenameFile(srcVolume, srcFilePath, dstVolume, dstFilePath)
|
|
if err != nil {
|
|
s.writeErrorResponse(w, err)
|
|
}
|
|
}
|
|
|
|
// registerStorageRPCRouter - register storage rpc router.
|
|
func registerStorageRESTHandlers(router *mux.Router, endpoints EndpointList) {
|
|
for _, endpoint := range endpoints {
|
|
if !endpoint.IsLocal {
|
|
continue
|
|
}
|
|
storage, err := newPosix(endpoint.Path)
|
|
if err != nil {
|
|
logger.Fatal(uiErrUnableToWriteInBackend(err), "Unable to initialize posix backend")
|
|
}
|
|
|
|
server := &storageRESTServer{storage}
|
|
|
|
subrouter := router.PathPrefix(path.Join(storageRESTPath, endpoint.Path)).Subrouter()
|
|
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodDiskInfo).HandlerFunc(httpTraceHdrs(server.DiskInfoHandler))
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodMakeVol).HandlerFunc(httpTraceHdrs(server.MakeVolHandler)).Queries(restQueries(storageRESTVolume)...)
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodStatVol).HandlerFunc(httpTraceHdrs(server.StatVolHandler)).Queries(restQueries(storageRESTVolume)...)
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodDeleteVol).HandlerFunc(httpTraceHdrs(server.DeleteVolHandler)).Queries(restQueries(storageRESTVolume)...)
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodListVols).HandlerFunc(httpTraceHdrs(server.ListVolsHandler))
|
|
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodAppendFile).HandlerFunc(httpTraceHdrs(server.AppendFileHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodWriteAll).HandlerFunc(httpTraceHdrs(server.WriteAllHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodCreateFile).HandlerFunc(httpTraceHdrs(server.CreateFileHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTLength)...)
|
|
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodStatFile).HandlerFunc(httpTraceHdrs(server.StatFileHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodReadAll).HandlerFunc(httpTraceHdrs(server.ReadAllHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodReadFile).HandlerFunc(httpTraceHdrs(server.ReadFileHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTOffset, storageRESTLength, storageRESTBitrotAlgo, storageRESTBitrotHash)...)
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodReadFileStream).HandlerFunc(httpTraceHdrs(server.ReadFileStreamHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTOffset, storageRESTLength)...)
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodListDir).HandlerFunc(httpTraceHdrs(server.ListDirHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTDirPath, storageRESTCount)...)
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodDeleteFile).HandlerFunc(httpTraceHdrs(server.DeleteFileHandler)).
|
|
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
|
|
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodRenameFile).HandlerFunc(httpTraceHdrs(server.RenameFileHandler)).
|
|
Queries(restQueries(storageRESTSrcVolume, storageRESTSrcPath, storageRESTDstVolume, storageRESTDstPath)...)
|
|
}
|
|
|
|
router.NotFoundHandler = http.HandlerFunc(httpTraceAll(notFoundHandler))
|
|
}
|
|
|