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.
446 lines
14 KiB
446 lines
14 KiB
/*
|
|
* Minimalist Object Storage, (C) 2015 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 api
|
|
|
|
import (
|
|
"net/http"
|
|
"sort"
|
|
"strconv"
|
|
|
|
"encoding/xml"
|
|
|
|
"github.com/gorilla/mux"
|
|
"github.com/minio/minio/pkg/iodine"
|
|
"github.com/minio/minio/pkg/storage/drivers"
|
|
"github.com/minio/minio/pkg/utils/log"
|
|
)
|
|
|
|
const (
|
|
maxPartsList = 1000
|
|
)
|
|
|
|
// GET Object
|
|
// ----------
|
|
// This implementation of the GET operation retrieves object. To use GET,
|
|
// you must have READ access to the object.
|
|
func (server *minioAPI) getObjectHandler(w http.ResponseWriter, req *http.Request) {
|
|
acceptsContentType := getContentType(req)
|
|
// verify if this operation is allowed
|
|
if !server.isValidOp(w, req, acceptsContentType) {
|
|
return
|
|
}
|
|
|
|
var object, bucket string
|
|
vars := mux.Vars(req)
|
|
bucket = vars["bucket"]
|
|
object = vars["object"]
|
|
|
|
metadata, err := server.driver.GetObjectMetadata(bucket, object)
|
|
switch err := iodine.ToError(err).(type) {
|
|
case nil: // success
|
|
{
|
|
httpRange, err := getRequestedRange(req, metadata.Size)
|
|
if err != nil {
|
|
writeErrorResponse(w, req, InvalidRange, acceptsContentType, req.URL.Path)
|
|
return
|
|
}
|
|
switch httpRange.start == 0 && httpRange.length == 0 {
|
|
case true:
|
|
setObjectHeaders(w, metadata)
|
|
if _, err := server.driver.GetObject(w, bucket, object); err != nil {
|
|
// unable to write headers, we've already printed data. Just close the connection.
|
|
log.Error.Println(err)
|
|
}
|
|
case false:
|
|
metadata.Size = httpRange.length
|
|
setRangeObjectHeaders(w, metadata, httpRange)
|
|
w.WriteHeader(http.StatusPartialContent)
|
|
if _, err := server.driver.GetPartialObject(w, bucket, object, httpRange.start, httpRange.length); err != nil {
|
|
// unable to write headers, we've already printed data. Just close the connection.
|
|
log.Error.Println(iodine.New(err, nil))
|
|
}
|
|
}
|
|
}
|
|
case drivers.ObjectNotFound:
|
|
{
|
|
writeErrorResponse(w, req, NoSuchKey, acceptsContentType, req.URL.Path)
|
|
}
|
|
case drivers.ObjectNameInvalid:
|
|
{
|
|
writeErrorResponse(w, req, NoSuchKey, acceptsContentType, req.URL.Path)
|
|
}
|
|
default:
|
|
{
|
|
log.Error.Println(iodine.New(err, nil))
|
|
writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
|
|
}
|
|
}
|
|
}
|
|
|
|
// HEAD Object
|
|
// -----------
|
|
// The HEAD operation retrieves metadata from an object without returning the object itself.
|
|
func (server *minioAPI) headObjectHandler(w http.ResponseWriter, req *http.Request) {
|
|
acceptsContentType := getContentType(req)
|
|
// verify if this operation is allowed
|
|
if !server.isValidOp(w, req, acceptsContentType) {
|
|
return
|
|
}
|
|
|
|
var object, bucket string
|
|
vars := mux.Vars(req)
|
|
bucket = vars["bucket"]
|
|
object = vars["object"]
|
|
|
|
metadata, err := server.driver.GetObjectMetadata(bucket, object)
|
|
switch err := iodine.ToError(err).(type) {
|
|
case nil:
|
|
{
|
|
setObjectHeaders(w, metadata)
|
|
w.WriteHeader(http.StatusOK)
|
|
}
|
|
case drivers.ObjectNotFound:
|
|
{
|
|
writeErrorResponse(w, req, NoSuchKey, acceptsContentType, req.URL.Path)
|
|
}
|
|
case drivers.ObjectNameInvalid:
|
|
{
|
|
writeErrorResponse(w, req, NoSuchKey, acceptsContentType, req.URL.Path)
|
|
}
|
|
default:
|
|
{
|
|
log.Error.Println(iodine.New(err, nil))
|
|
writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
|
|
}
|
|
}
|
|
}
|
|
|
|
// PUT Object
|
|
// ----------
|
|
// This implementation of the PUT operation adds an object to a bucket.
|
|
func (server *minioAPI) putObjectHandler(w http.ResponseWriter, req *http.Request) {
|
|
acceptsContentType := getContentType(req)
|
|
// verify if this operation is allowed
|
|
if !server.isValidOp(w, req, acceptsContentType) {
|
|
return
|
|
}
|
|
|
|
var object, bucket string
|
|
vars := mux.Vars(req)
|
|
bucket = vars["bucket"]
|
|
object = vars["object"]
|
|
|
|
// get Content-MD5 sent by client and verify if valid
|
|
md5 := req.Header.Get("Content-MD5")
|
|
if !isValidMD5(md5) {
|
|
writeErrorResponse(w, req, InvalidDigest, acceptsContentType, req.URL.Path)
|
|
return
|
|
}
|
|
/// if Content-Length missing, throw away
|
|
size := req.Header.Get("Content-Length")
|
|
if size == "" {
|
|
writeErrorResponse(w, req, MissingContentLength, acceptsContentType, req.URL.Path)
|
|
return
|
|
}
|
|
/// maximum Upload size for objects in a single operation
|
|
if isMaxObjectSize(size) {
|
|
writeErrorResponse(w, req, EntityTooLarge, acceptsContentType, req.URL.Path)
|
|
return
|
|
}
|
|
/// minimum Upload size for objects in a single operation
|
|
if isMinObjectSize(size) {
|
|
writeErrorResponse(w, req, EntityTooSmall, acceptsContentType, req.URL.Path)
|
|
return
|
|
}
|
|
sizeInt64, err := strconv.ParseInt(size, 10, 64)
|
|
if err != nil {
|
|
writeErrorResponse(w, req, InvalidRequest, acceptsContentType, req.URL.Path)
|
|
return
|
|
}
|
|
calculatedMD5, err := server.driver.CreateObject(bucket, object, "", md5, sizeInt64, req.Body)
|
|
switch err := iodine.ToError(err).(type) {
|
|
case nil:
|
|
{
|
|
w.Header().Set("ETag", calculatedMD5)
|
|
writeSuccessResponse(w, acceptsContentType)
|
|
|
|
}
|
|
case drivers.ObjectExists:
|
|
{
|
|
writeErrorResponse(w, req, MethodNotAllowed, acceptsContentType, req.URL.Path)
|
|
}
|
|
case drivers.BadDigest:
|
|
{
|
|
writeErrorResponse(w, req, BadDigest, acceptsContentType, req.URL.Path)
|
|
}
|
|
case drivers.EntityTooLarge:
|
|
{
|
|
writeErrorResponse(w, req, EntityTooLarge, acceptsContentType, req.URL.Path)
|
|
}
|
|
case drivers.InvalidDigest:
|
|
{
|
|
writeErrorResponse(w, req, InvalidDigest, acceptsContentType, req.URL.Path)
|
|
}
|
|
case drivers.ImplementationError:
|
|
{
|
|
log.Error.Println(err)
|
|
writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
|
|
}
|
|
default:
|
|
{
|
|
log.Error.Println(err)
|
|
writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (server *minioAPI) newMultipartUploadHandler(w http.ResponseWriter, req *http.Request) {
|
|
acceptsContentType := getContentType(req)
|
|
// handle ACL's here at bucket level
|
|
if !server.isValidOp(w, req, acceptsContentType) {
|
|
return
|
|
}
|
|
|
|
if !isRequestUploads(req.URL.Query()) {
|
|
writeErrorResponse(w, req, MethodNotAllowed, acceptsContentType, req.URL.Path)
|
|
return
|
|
}
|
|
|
|
var object, bucket string
|
|
vars := mux.Vars(req)
|
|
bucket = vars["bucket"]
|
|
object = vars["object"]
|
|
uploadID, err := server.driver.NewMultipartUpload(bucket, object, "")
|
|
switch err := iodine.ToError(err).(type) {
|
|
case nil:
|
|
response := generateInitiateMultipartUploadResult(bucket, object, uploadID)
|
|
encodedSuccessResponse := encodeSuccessResponse(response, acceptsContentType)
|
|
// write headers
|
|
setCommonHeaders(w, getContentTypeString(acceptsContentType))
|
|
// set content-length to the size of the body
|
|
w.Header().Set("Content-Length", strconv.Itoa(len(encodedSuccessResponse)))
|
|
w.WriteHeader(http.StatusOK)
|
|
// write body
|
|
w.Write(encodedSuccessResponse)
|
|
case drivers.ObjectExists:
|
|
writeErrorResponse(w, req, MethodNotAllowed, acceptsContentType, req.URL.Path)
|
|
default:
|
|
log.Println(iodine.New(err, nil))
|
|
writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
|
|
}
|
|
}
|
|
|
|
func (server *minioAPI) putObjectPartHandler(w http.ResponseWriter, req *http.Request) {
|
|
acceptsContentType := getContentType(req)
|
|
// handle ACL's here at bucket level
|
|
if !server.isValidOp(w, req, acceptsContentType) {
|
|
return
|
|
}
|
|
|
|
// get Content-MD5 sent by client and verify if valid
|
|
md5 := req.Header.Get("Content-MD5")
|
|
if !isValidMD5(md5) {
|
|
writeErrorResponse(w, req, InvalidDigest, acceptsContentType, req.URL.Path)
|
|
return
|
|
}
|
|
|
|
/// if Content-Length missing, throw away
|
|
size := req.Header.Get("Content-Length")
|
|
if size == "" {
|
|
writeErrorResponse(w, req, MissingContentLength, acceptsContentType, req.URL.Path)
|
|
return
|
|
}
|
|
|
|
/// maximum Upload size for multipart objects in a single operation
|
|
if isMaxObjectSize(size) {
|
|
writeErrorResponse(w, req, EntityTooLarge, acceptsContentType, req.URL.Path)
|
|
return
|
|
}
|
|
|
|
// last part can be less than < 5MB so we need to figure out a way to handle it first
|
|
// and then enable below code (y4m4)
|
|
//
|
|
/// minimum Upload size for multipart objects in a single operation
|
|
// if isMinMultipartObjectSize(size) {
|
|
// writeErrorResponse(w, req, EntityTooSmall, acceptsContentType, req.URL.Path)
|
|
// return
|
|
// }
|
|
|
|
sizeInt64, err := strconv.ParseInt(size, 10, 64)
|
|
if err != nil {
|
|
writeErrorResponse(w, req, InvalidRequest, acceptsContentType, req.URL.Path)
|
|
return
|
|
}
|
|
|
|
vars := mux.Vars(req)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
|
|
uploadID := req.URL.Query().Get("uploadId")
|
|
partIDString := req.URL.Query().Get("partNumber")
|
|
|
|
partID, err := strconv.Atoi(partIDString)
|
|
if err != nil {
|
|
writeErrorResponse(w, req, InvalidPart, acceptsContentType, req.URL.Path)
|
|
}
|
|
calculatedMD5, err := server.driver.CreateObjectPart(bucket, object, uploadID, partID, "", md5, sizeInt64, req.Body)
|
|
switch err := iodine.ToError(err).(type) {
|
|
case nil:
|
|
{
|
|
w.Header().Set("ETag", calculatedMD5)
|
|
writeSuccessResponse(w, acceptsContentType)
|
|
|
|
}
|
|
case drivers.InvalidUploadID:
|
|
{
|
|
writeErrorResponse(w, req, NoSuchUpload, acceptsContentType, req.URL.Path)
|
|
}
|
|
case drivers.ObjectExists:
|
|
{
|
|
writeErrorResponse(w, req, MethodNotAllowed, acceptsContentType, req.URL.Path)
|
|
}
|
|
case drivers.BadDigest:
|
|
{
|
|
writeErrorResponse(w, req, BadDigest, acceptsContentType, req.URL.Path)
|
|
}
|
|
case drivers.EntityTooLarge:
|
|
{
|
|
writeErrorResponse(w, req, EntityTooLarge, acceptsContentType, req.URL.Path)
|
|
}
|
|
case drivers.InvalidDigest:
|
|
{
|
|
writeErrorResponse(w, req, InvalidDigest, acceptsContentType, req.URL.Path)
|
|
}
|
|
default:
|
|
{
|
|
log.Error.Println(err)
|
|
writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (server *minioAPI) abortMultipartUploadHandler(w http.ResponseWriter, req *http.Request) {
|
|
acceptsContentType := getContentType(req)
|
|
// handle ACL's here at bucket level
|
|
if !server.isValidOp(w, req, acceptsContentType) {
|
|
return
|
|
}
|
|
|
|
vars := mux.Vars(req)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
|
|
objectResourcesMetadata := getObjectResources(req.URL.Query())
|
|
|
|
err := server.driver.AbortMultipartUpload(bucket, object, objectResourcesMetadata.UploadID)
|
|
switch err := iodine.ToError(err).(type) {
|
|
case nil:
|
|
setCommonHeaders(w, getContentTypeString(acceptsContentType))
|
|
w.WriteHeader(http.StatusNoContent)
|
|
case drivers.InvalidUploadID:
|
|
writeErrorResponse(w, req, NoSuchUpload, acceptsContentType, req.URL.Path)
|
|
default:
|
|
log.Println(err)
|
|
writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
|
|
}
|
|
}
|
|
|
|
func (server *minioAPI) listObjectPartsHandler(w http.ResponseWriter, req *http.Request) {
|
|
acceptsContentType := getContentType(req)
|
|
// handle ACL's here at bucket level
|
|
if !server.isValidOp(w, req, acceptsContentType) {
|
|
return
|
|
}
|
|
|
|
objectResourcesMetadata := getObjectResources(req.URL.Query())
|
|
if objectResourcesMetadata.MaxParts == 0 {
|
|
objectResourcesMetadata.MaxParts = maxPartsList
|
|
}
|
|
|
|
vars := mux.Vars(req)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
|
|
objectResourcesMetadata, err := server.driver.ListObjectParts(bucket, object, objectResourcesMetadata)
|
|
switch err := iodine.ToError(err).(type) {
|
|
case nil:
|
|
response := generateListPartsResult(objectResourcesMetadata)
|
|
encodedSuccessResponse := encodeSuccessResponse(response, acceptsContentType)
|
|
// write headers
|
|
setCommonHeaders(w, getContentTypeString(acceptsContentType))
|
|
// set content-length to the size of the body
|
|
w.Header().Set("Content-Length", strconv.Itoa(len(encodedSuccessResponse)))
|
|
w.WriteHeader(http.StatusOK)
|
|
// write body
|
|
w.Write(encodedSuccessResponse)
|
|
case drivers.InvalidUploadID:
|
|
writeErrorResponse(w, req, NoSuchUpload, acceptsContentType, req.URL.Path)
|
|
default:
|
|
log.Println(err)
|
|
writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
|
|
}
|
|
}
|
|
|
|
func (server *minioAPI) completeMultipartUploadHandler(w http.ResponseWriter, req *http.Request) {
|
|
acceptsContentType := getContentType(req)
|
|
// handle ACL's here at bucket level
|
|
if !server.isValidOp(w, req, acceptsContentType) {
|
|
return
|
|
}
|
|
|
|
decoder := xml.NewDecoder(req.Body)
|
|
parts := &CompleteMultipartUpload{}
|
|
err := decoder.Decode(parts)
|
|
if err != nil {
|
|
log.Error.Println(iodine.New(err, nil))
|
|
writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
|
|
return
|
|
}
|
|
if !sort.IsSorted(completedParts(parts.Part)) {
|
|
writeErrorResponse(w, req, InvalidPartOrder, acceptsContentType, req.URL.Path)
|
|
return
|
|
}
|
|
|
|
vars := mux.Vars(req)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
objectResourcesMetadata := getObjectResources(req.URL.Query())
|
|
|
|
partMap := make(map[int]string)
|
|
for _, part := range parts.Part {
|
|
partMap[part.PartNumber] = part.ETag
|
|
}
|
|
|
|
etag, err := server.driver.CompleteMultipartUpload(bucket, object, objectResourcesMetadata.UploadID, partMap)
|
|
switch err := iodine.ToError(err).(type) {
|
|
case nil:
|
|
response := generateCompleteMultpartUploadResult(bucket, object, "", etag)
|
|
encodedSuccessResponse := encodeSuccessResponse(response, acceptsContentType)
|
|
// write headers
|
|
setCommonHeaders(w, getContentTypeString(acceptsContentType))
|
|
// set content-length to the size of the body
|
|
w.Header().Set("Content-Length", strconv.Itoa(len(encodedSuccessResponse)))
|
|
w.WriteHeader(http.StatusOK)
|
|
// write body
|
|
w.Write(encodedSuccessResponse)
|
|
case drivers.InvalidUploadID:
|
|
writeErrorResponse(w, req, NoSuchUpload, acceptsContentType, req.URL.Path)
|
|
default:
|
|
log.Println(iodine.New(err, nil))
|
|
writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
|
|
}
|
|
}
|
|
|