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.
1470 lines
42 KiB
1470 lines
42 KiB
/*
|
|
* Minio Cloud Storage, (C) 2015-2018 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 (
|
|
"context"
|
|
"crypto/hmac"
|
|
"encoding/binary"
|
|
"encoding/hex"
|
|
"encoding/xml"
|
|
"fmt"
|
|
"io"
|
|
goioutil "io/ioutil"
|
|
"net"
|
|
"net/http"
|
|
"net/url"
|
|
"sort"
|
|
"strconv"
|
|
|
|
mux "github.com/gorilla/mux"
|
|
"github.com/minio/minio/cmd/logger"
|
|
"github.com/minio/minio/pkg/errors"
|
|
"github.com/minio/minio/pkg/event"
|
|
"github.com/minio/minio/pkg/handlers"
|
|
"github.com/minio/minio/pkg/hash"
|
|
"github.com/minio/minio/pkg/ioutil"
|
|
sha256 "github.com/minio/sha256-simd"
|
|
"github.com/minio/sio"
|
|
)
|
|
|
|
// supportedHeadGetReqParams - supported request parameters for GET and HEAD presigned request.
|
|
var supportedHeadGetReqParams = map[string]string{
|
|
"response-expires": "Expires",
|
|
"response-content-type": "Content-Type",
|
|
"response-cache-control": "Cache-Control",
|
|
"response-content-encoding": "Content-Encoding",
|
|
"response-content-language": "Content-Language",
|
|
"response-content-disposition": "Content-Disposition",
|
|
}
|
|
|
|
// setHeadGetRespHeaders - set any requested parameters as response headers.
|
|
func setHeadGetRespHeaders(w http.ResponseWriter, reqParams url.Values) {
|
|
for k, v := range reqParams {
|
|
if header, ok := supportedHeadGetReqParams[k]; ok {
|
|
w.Header()[header] = v
|
|
}
|
|
}
|
|
}
|
|
|
|
// errAllowableNotFound - For an anon user, return 404 if have ListBucket, 403 otherwise
|
|
// this is in keeping with the permissions sections of the docs of both:
|
|
// HEAD Object: http://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectHEAD.html
|
|
// GET Object: http://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectGET.html
|
|
func errAllowableObjectNotFound(ctx context.Context, bucket string, r *http.Request) APIErrorCode {
|
|
if getRequestAuthType(r) == authTypeAnonymous {
|
|
// We care about the bucket as a whole, not a particular resource.
|
|
resource := "/" + bucket
|
|
sourceIP := handlers.GetSourceIP(r)
|
|
if s3Error := enforceBucketPolicy(ctx, bucket, "s3:ListBucket", resource,
|
|
r.Referer(), sourceIP, r.URL.Query()); s3Error != ErrNone {
|
|
return ErrAccessDenied
|
|
}
|
|
}
|
|
return ErrNoSuchKey
|
|
}
|
|
|
|
// GetObjectHandler - GET Object
|
|
// ----------
|
|
// This implementation of the GET operation retrieves object. To use GET,
|
|
// you must have READ access to the object.
|
|
func (api objectAPIHandlers) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, "GetObject")
|
|
|
|
var object, bucket string
|
|
vars := mux.Vars(r)
|
|
bucket = vars["bucket"]
|
|
object = vars["object"]
|
|
|
|
// Fetch object stat info.
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
if s3Error := checkRequestAuthType(ctx, r, bucket, "s3:GetObject", globalServerConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
getObjectInfo := objectAPI.GetObjectInfo
|
|
if api.CacheAPI() != nil {
|
|
getObjectInfo = api.CacheAPI().GetObjectInfo
|
|
}
|
|
|
|
objInfo, err := getObjectInfo(ctx, bucket, object)
|
|
if err != nil {
|
|
apiErr := toAPIErrorCode(err)
|
|
if apiErr == ErrNoSuchKey {
|
|
apiErr = errAllowableObjectNotFound(ctx, bucket, r)
|
|
}
|
|
writeErrorResponse(w, apiErr, r.URL)
|
|
return
|
|
}
|
|
|
|
if objectAPI.IsEncryptionSupported() {
|
|
if apiErr, _ := DecryptObjectInfo(&objInfo, r.Header); apiErr != ErrNone {
|
|
writeErrorResponse(w, apiErr, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Get request range.
|
|
var hrange *httpRange
|
|
rangeHeader := r.Header.Get("Range")
|
|
if rangeHeader != "" {
|
|
if hrange, err = parseRequestRange(rangeHeader, objInfo.Size); err != nil {
|
|
// Handle only errInvalidRange
|
|
// Ignore other parse error and treat it as regular Get request like Amazon S3.
|
|
if err == errInvalidRange {
|
|
writeErrorResponse(w, ErrInvalidRange, r.URL)
|
|
return
|
|
}
|
|
|
|
// log the error.
|
|
logger.LogIf(ctx, err)
|
|
}
|
|
}
|
|
|
|
// Validate pre-conditions if any.
|
|
if checkPreconditions(w, r, objInfo) {
|
|
return
|
|
}
|
|
|
|
// Get the object.
|
|
var startOffset int64
|
|
length := objInfo.Size
|
|
if hrange != nil {
|
|
startOffset = hrange.offsetBegin
|
|
length = hrange.getLength()
|
|
}
|
|
|
|
var writer io.Writer
|
|
writer = w
|
|
if objectAPI.IsEncryptionSupported() {
|
|
if hasSSECustomerHeader(r.Header) {
|
|
// Response writer should be limited early on for decryption upto required length,
|
|
// additionally also skipping mod(offset)64KiB boundaries.
|
|
writer = ioutil.LimitedWriter(writer, startOffset%(64*1024), length)
|
|
|
|
writer, startOffset, length, err = DecryptBlocksRequest(writer, r, startOffset, length, objInfo, false)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
w.Header().Set(SSECustomerAlgorithm, r.Header.Get(SSECustomerAlgorithm))
|
|
w.Header().Set(SSECustomerKeyMD5, r.Header.Get(SSECustomerKeyMD5))
|
|
}
|
|
}
|
|
|
|
setObjectHeaders(w, objInfo, hrange)
|
|
setHeadGetRespHeaders(w, r.URL.Query())
|
|
httpWriter := ioutil.WriteOnClose(writer)
|
|
|
|
getObject := objectAPI.GetObject
|
|
if api.CacheAPI() != nil && !hasSSECustomerHeader(r.Header) {
|
|
getObject = api.CacheAPI().GetObject
|
|
}
|
|
|
|
// Reads the object at startOffset and writes to mw.
|
|
if err = getObject(ctx, bucket, object, startOffset, length, httpWriter, objInfo.ETag); err != nil {
|
|
if !httpWriter.HasWritten() { // write error response only if no data has been written to client yet
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
}
|
|
httpWriter.Close()
|
|
return
|
|
}
|
|
|
|
if err = httpWriter.Close(); err != nil {
|
|
if !httpWriter.HasWritten() { // write error response only if no data has been written to client yet
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Get host and port from Request.RemoteAddr.
|
|
host, port, err := net.SplitHostPort(r.RemoteAddr)
|
|
if err != nil {
|
|
host, port = "", ""
|
|
}
|
|
|
|
// Notify object accessed via a GET request.
|
|
sendEvent(eventArgs{
|
|
EventName: event.ObjectAccessedGet,
|
|
BucketName: bucket,
|
|
Object: objInfo,
|
|
ReqParams: extractReqParams(r),
|
|
UserAgent: r.UserAgent(),
|
|
Host: host,
|
|
Port: port,
|
|
})
|
|
}
|
|
|
|
// HeadObjectHandler - HEAD Object
|
|
// -----------
|
|
// The HEAD operation retrieves metadata from an object without returning the object itself.
|
|
func (api objectAPIHandlers) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, "HeadObject")
|
|
|
|
var object, bucket string
|
|
vars := mux.Vars(r)
|
|
bucket = vars["bucket"]
|
|
object = vars["object"]
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponseHeadersOnly(w, ErrServerNotInitialized)
|
|
return
|
|
}
|
|
|
|
if s3Error := checkRequestAuthType(ctx, r, bucket, "s3:GetObject", globalServerConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponseHeadersOnly(w, s3Error)
|
|
return
|
|
}
|
|
|
|
getObjectInfo := objectAPI.GetObjectInfo
|
|
if api.CacheAPI() != nil {
|
|
getObjectInfo = api.CacheAPI().GetObjectInfo
|
|
}
|
|
|
|
objInfo, err := getObjectInfo(ctx, bucket, object)
|
|
if err != nil {
|
|
apiErr := toAPIErrorCode(err)
|
|
if apiErr == ErrNoSuchKey {
|
|
apiErr = errAllowableObjectNotFound(ctx, bucket, r)
|
|
}
|
|
writeErrorResponseHeadersOnly(w, apiErr)
|
|
return
|
|
}
|
|
|
|
if objectAPI.IsEncryptionSupported() {
|
|
if apiErr, encrypted := DecryptObjectInfo(&objInfo, r.Header); apiErr != ErrNone {
|
|
writeErrorResponse(w, apiErr, r.URL)
|
|
return
|
|
} else if encrypted {
|
|
if _, err = DecryptRequest(w, r, objInfo.UserDefined); err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
w.Header().Set(SSECustomerAlgorithm, r.Header.Get(SSECustomerAlgorithm))
|
|
w.Header().Set(SSECustomerKeyMD5, r.Header.Get(SSECustomerKeyMD5))
|
|
}
|
|
}
|
|
|
|
// Validate pre-conditions if any.
|
|
if checkPreconditions(w, r, objInfo) {
|
|
return
|
|
}
|
|
|
|
// Set standard object headers.
|
|
setObjectHeaders(w, objInfo, nil)
|
|
|
|
// Set any additional requested response headers.
|
|
setHeadGetRespHeaders(w, r.URL.Query())
|
|
|
|
// Successful response.
|
|
w.WriteHeader(http.StatusOK)
|
|
|
|
// Get host and port from Request.RemoteAddr.
|
|
host, port, err := net.SplitHostPort(r.RemoteAddr)
|
|
if err != nil {
|
|
host, port = "", ""
|
|
}
|
|
|
|
// Notify object accessed via a HEAD request.
|
|
sendEvent(eventArgs{
|
|
EventName: event.ObjectAccessedHead,
|
|
BucketName: bucket,
|
|
Object: objInfo,
|
|
ReqParams: extractReqParams(r),
|
|
UserAgent: r.UserAgent(),
|
|
Host: host,
|
|
Port: port,
|
|
})
|
|
}
|
|
|
|
// Extract metadata relevant for an CopyObject operation based on conditional
|
|
// header values specified in X-Amz-Metadata-Directive.
|
|
func getCpObjMetadataFromHeader(ctx context.Context, header http.Header, userMeta map[string]string) (map[string]string, error) {
|
|
// Make a copy of the supplied metadata to avoid
|
|
// to change the original one.
|
|
defaultMeta := make(map[string]string, len(userMeta))
|
|
for k, v := range userMeta {
|
|
defaultMeta[k] = v
|
|
}
|
|
|
|
// if x-amz-metadata-directive says REPLACE then
|
|
// we extract metadata from the input headers.
|
|
if isMetadataReplace(header) {
|
|
return extractMetadataFromHeader(ctx, header)
|
|
}
|
|
|
|
// if x-amz-metadata-directive says COPY then we
|
|
// return the default metadata.
|
|
if isMetadataCopy(header) {
|
|
return defaultMeta, nil
|
|
}
|
|
|
|
// Copy is default behavior if not x-amz-metadata-directive is set.
|
|
return defaultMeta, nil
|
|
}
|
|
|
|
// CopyObjectHandler - Copy Object
|
|
// ----------
|
|
// This implementation of the PUT operation adds an object to a bucket
|
|
// while reading the object from another source.
|
|
func (api objectAPIHandlers) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, "CopyObject")
|
|
|
|
vars := mux.Vars(r)
|
|
dstBucket := vars["bucket"]
|
|
dstObject := vars["object"]
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
if s3Error := checkRequestAuthType(ctx, r, dstBucket, "s3:PutObject", globalServerConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
// TODO: Reject requests where body/payload is present, for now we don't even read it.
|
|
|
|
// Copy source path.
|
|
cpSrcPath, err := url.QueryUnescape(r.Header.Get("X-Amz-Copy-Source"))
|
|
if err != nil {
|
|
// Save unescaped string as is.
|
|
cpSrcPath = r.Header.Get("X-Amz-Copy-Source")
|
|
}
|
|
|
|
srcBucket, srcObject := path2BucketAndObject(cpSrcPath)
|
|
// If source object is empty or bucket is empty, reply back invalid copy source.
|
|
if srcObject == "" || srcBucket == "" {
|
|
writeErrorResponse(w, ErrInvalidCopySource, r.URL)
|
|
return
|
|
}
|
|
|
|
// Check if metadata directive is valid.
|
|
if !isMetadataDirectiveValid(r.Header) {
|
|
writeErrorResponse(w, ErrInvalidMetadataDirective, r.URL)
|
|
return
|
|
}
|
|
|
|
cpSrcDstSame := isStringEqual(pathJoin(srcBucket, srcObject), pathJoin(dstBucket, dstObject))
|
|
srcInfo, err := objectAPI.GetObjectInfo(ctx, srcBucket, srcObject)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err = objectAPI.GetObjectInfo(ctx, dstBucket, dstObject); err == nil {
|
|
writeErrorResponse(w, ErrMethodNotAllowed, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
if objectAPI.IsEncryptionSupported() {
|
|
if apiErr, _ := DecryptCopyObjectInfo(&srcInfo, r.Header); apiErr != ErrNone {
|
|
writeErrorResponse(w, apiErr, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Verify before x-amz-copy-source preconditions before continuing with CopyObject.
|
|
if checkCopyObjectPreconditions(w, r, srcInfo) {
|
|
return
|
|
}
|
|
|
|
/// maximum Upload size for object in a single CopyObject operation.
|
|
if isMaxObjectSize(srcInfo.Size) {
|
|
writeErrorResponse(w, ErrEntityTooLarge, r.URL)
|
|
return
|
|
}
|
|
|
|
// Initialize pipe.
|
|
pipeReader, pipeWriter := io.Pipe()
|
|
|
|
// We have to copy metadata only if source and destination are same.
|
|
// this changes for encryption which can be observed below.
|
|
if cpSrcDstSame {
|
|
srcInfo.metadataOnly = true
|
|
}
|
|
|
|
var writer io.WriteCloser = pipeWriter
|
|
var reader io.Reader = pipeReader
|
|
|
|
srcInfo.Reader, err = hash.NewReader(reader, srcInfo.Size, "", "")
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Save the original size for later use when we want to copy
|
|
// encrypted file into an unencrypted one.
|
|
size := srcInfo.Size
|
|
|
|
var encMetadata = make(map[string]string)
|
|
if objectAPI.IsEncryptionSupported() {
|
|
var oldKey, newKey []byte
|
|
sseCopyC := hasSSECopyCustomerHeader(r.Header)
|
|
sseC := hasSSECustomerHeader(r.Header)
|
|
if sseC {
|
|
newKey, err = ParseSSECustomerRequest(r)
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
}
|
|
// AWS S3 implementation requires us to only rotate keys
|
|
// when/ both keys are provided and destination is same
|
|
// otherwise we proceed to encrypt/decrypt.
|
|
if sseCopyC && sseC && cpSrcDstSame {
|
|
// Get the old key which needs to be rotated.
|
|
oldKey, err = ParseSSECopyCustomerRequest(r)
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
for k, v := range srcInfo.UserDefined {
|
|
encMetadata[k] = v
|
|
}
|
|
if err = rotateKey(oldKey, newKey, encMetadata); err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Since we are rotating the keys, make sure to update the metadata.
|
|
srcInfo.metadataOnly = true
|
|
} else {
|
|
if sseCopyC {
|
|
// Source is encrypted make sure to save the encrypted size.
|
|
writer = ioutil.LimitedWriter(writer, 0, srcInfo.Size)
|
|
writer, srcInfo.Size, err = DecryptAllBlocksCopyRequest(writer, r, srcInfo)
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
// We are not only copying just metadata instead
|
|
// we are creating a new object at this point, even
|
|
// if source and destination are same objects.
|
|
srcInfo.metadataOnly = false
|
|
if sseC {
|
|
size = srcInfo.Size
|
|
}
|
|
}
|
|
if sseC {
|
|
reader, err = newEncryptReader(pipeReader, newKey, encMetadata)
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
// We are not only copying just metadata instead
|
|
// we are creating a new object at this point, even
|
|
// if source and destination are same objects.
|
|
srcInfo.metadataOnly = false
|
|
if !sseCopyC {
|
|
size = srcInfo.EncryptedSize()
|
|
}
|
|
}
|
|
srcInfo.Reader, err = hash.NewReader(reader, size, "", "") // do not try to verify encrypted content
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
srcInfo.Writer = writer
|
|
|
|
srcInfo.UserDefined, err = getCpObjMetadataFromHeader(ctx, r.Header, srcInfo.UserDefined)
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, ErrInternalError, r.URL)
|
|
return
|
|
}
|
|
|
|
// We need to preserve the encryption headers set in EncryptRequest,
|
|
// so we do not want to override them, copy them instead.
|
|
for k, v := range encMetadata {
|
|
srcInfo.UserDefined[k] = v
|
|
}
|
|
|
|
// Check if x-amz-metadata-directive was not set to REPLACE and source,
|
|
// desination are same objects. Apply this restriction also when
|
|
// metadataOnly is true indicating that we are not overwriting the object.
|
|
// if encryption is enabled we do not need explicit "REPLACE" metadata to
|
|
// be enabled as well - this is to allow for key-rotation.
|
|
if !isMetadataReplace(r.Header) && srcInfo.metadataOnly && !srcInfo.IsEncrypted() {
|
|
pipeWriter.CloseWithError(fmt.Errorf("invalid copy dest"))
|
|
// If x-amz-metadata-directive is not set to REPLACE then we need
|
|
// to error out if source and destination are same.
|
|
writeErrorResponse(w, ErrInvalidCopyDest, r.URL)
|
|
return
|
|
}
|
|
|
|
// Copy source object to destination, if source and destination
|
|
// object is same then only metadata is updated.
|
|
objInfo, err := objectAPI.CopyObject(ctx, srcBucket, srcObject, dstBucket, dstObject, srcInfo)
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
pipeReader.Close()
|
|
|
|
response := generateCopyObjectResponse(objInfo.ETag, objInfo.ModTime)
|
|
encodedSuccessResponse := encodeResponse(response)
|
|
|
|
// Write success response.
|
|
writeSuccessResponseXML(w, encodedSuccessResponse)
|
|
|
|
// Get host and port from Request.RemoteAddr.
|
|
host, port, err := net.SplitHostPort(r.RemoteAddr)
|
|
if err != nil {
|
|
host, port = "", ""
|
|
}
|
|
|
|
// Notify object created event.
|
|
sendEvent(eventArgs{
|
|
EventName: event.ObjectCreatedCopy,
|
|
BucketName: dstBucket,
|
|
Object: objInfo,
|
|
ReqParams: extractReqParams(r),
|
|
UserAgent: r.UserAgent(),
|
|
Host: host,
|
|
Port: port,
|
|
})
|
|
}
|
|
|
|
// PutObjectHandler - PUT Object
|
|
// ----------
|
|
// This implementation of the PUT operation adds an object to a bucket.
|
|
func (api objectAPIHandlers) PutObjectHandler(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, "PutObject")
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
// X-Amz-Copy-Source shouldn't be set for this call.
|
|
if _, ok := r.Header["X-Amz-Copy-Source"]; ok {
|
|
writeErrorResponse(w, ErrInvalidCopySource, r.URL)
|
|
return
|
|
}
|
|
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
|
|
// Validate storage class metadata if present
|
|
if _, ok := r.Header[amzStorageClassCanonical]; ok {
|
|
if !isValidStorageClassMeta(r.Header.Get(amzStorageClassCanonical)) {
|
|
writeErrorResponse(w, ErrInvalidStorageClass, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Get Content-Md5 sent by client and verify if valid
|
|
md5Bytes, err := checkValidMD5(r.Header)
|
|
if err != nil {
|
|
writeErrorResponse(w, ErrInvalidDigest, r.URL)
|
|
return
|
|
}
|
|
|
|
/// if Content-Length is unknown/missing, deny the request
|
|
size := r.ContentLength
|
|
rAuthType := getRequestAuthType(r)
|
|
if rAuthType == authTypeStreamingSigned {
|
|
if sizeStr, ok := r.Header["X-Amz-Decoded-Content-Length"]; ok {
|
|
if sizeStr[0] == "" {
|
|
writeErrorResponse(w, ErrMissingContentLength, r.URL)
|
|
return
|
|
}
|
|
size, err = strconv.ParseInt(sizeStr[0], 10, 64)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
if size == -1 {
|
|
writeErrorResponse(w, ErrMissingContentLength, r.URL)
|
|
return
|
|
}
|
|
|
|
/// maximum Upload size for objects in a single operation
|
|
if isMaxObjectSize(size) {
|
|
writeErrorResponse(w, ErrEntityTooLarge, r.URL)
|
|
return
|
|
}
|
|
|
|
// Extract metadata to be saved from incoming HTTP header.
|
|
metadata, err := extractMetadataFromHeader(ctx, r.Header)
|
|
if err != nil {
|
|
writeErrorResponse(w, ErrInternalError, r.URL)
|
|
return
|
|
}
|
|
if rAuthType == authTypeStreamingSigned {
|
|
if contentEncoding, ok := metadata["content-encoding"]; ok {
|
|
contentEncoding = trimAwsChunkedContentEncoding(contentEncoding)
|
|
if contentEncoding != "" {
|
|
// Make sure to trim and save the content-encoding
|
|
// parameter for a streaming signature which is set
|
|
// to a custom value for example: "aws-chunked,gzip".
|
|
metadata["content-encoding"] = contentEncoding
|
|
} else {
|
|
// Trimmed content encoding is empty when the header
|
|
// value is set to "aws-chunked" only.
|
|
|
|
// Make sure to delete the content-encoding parameter
|
|
// for a streaming signature which is set to value
|
|
// for example: "aws-chunked"
|
|
delete(metadata, "content-encoding")
|
|
}
|
|
}
|
|
}
|
|
|
|
var (
|
|
md5hex = hex.EncodeToString(md5Bytes)
|
|
sha256hex = ""
|
|
reader io.Reader
|
|
s3Err APIErrorCode
|
|
putObject = objectAPI.PutObject
|
|
)
|
|
reader = r.Body
|
|
switch rAuthType {
|
|
default:
|
|
// For all unknown auth types return error.
|
|
writeErrorResponse(w, ErrAccessDenied, r.URL)
|
|
return
|
|
case authTypeAnonymous:
|
|
// http://docs.aws.amazon.com/AmazonS3/latest/dev/using-with-s3-actions.html
|
|
sourceIP := handlers.GetSourceIP(r)
|
|
if s3Err = enforceBucketPolicy(ctx, bucket, "s3:PutObject", r.URL.Path, r.Referer(), sourceIP, r.URL.Query()); s3Err != ErrNone {
|
|
writeErrorResponse(w, s3Err, r.URL)
|
|
return
|
|
}
|
|
case authTypeStreamingSigned:
|
|
// Initialize stream signature verifier.
|
|
reader, s3Err = newSignV4ChunkedReader(r)
|
|
if s3Err != ErrNone {
|
|
writeErrorResponse(w, s3Err, r.URL)
|
|
return
|
|
}
|
|
case authTypeSignedV2, authTypePresignedV2:
|
|
s3Err = isReqAuthenticatedV2(r)
|
|
if s3Err != ErrNone {
|
|
writeErrorResponse(w, s3Err, r.URL)
|
|
return
|
|
}
|
|
|
|
case authTypePresigned, authTypeSigned:
|
|
if s3Err = reqSignatureV4Verify(r, globalServerConfig.GetRegion()); s3Err != ErrNone {
|
|
writeErrorResponse(w, s3Err, r.URL)
|
|
return
|
|
}
|
|
if !skipContentSha256Cksum(r) {
|
|
sha256hex = getContentSha256Cksum(r)
|
|
}
|
|
}
|
|
|
|
hashReader, err := hash.NewReader(reader, size, md5hex, sha256hex)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err = objectAPI.GetObjectInfo(ctx, bucket, object); err == nil {
|
|
writeErrorResponse(w, ErrMethodNotAllowed, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
if objectAPI.IsEncryptionSupported() {
|
|
if hasSSECustomerHeader(r.Header) && !hasSuffix(object, slashSeparator) { // handle SSE-C requests
|
|
reader, err = EncryptRequest(hashReader, r, metadata)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
info := ObjectInfo{Size: size}
|
|
hashReader, err = hash.NewReader(reader, info.EncryptedSize(), "", "") // do not try to verify encrypted content
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
if api.CacheAPI() != nil && !hasSSECustomerHeader(r.Header) {
|
|
putObject = api.CacheAPI().PutObject
|
|
}
|
|
// Create the object..
|
|
objInfo, err := putObject(ctx, bucket, object, hashReader, metadata)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
w.Header().Set("ETag", "\""+objInfo.ETag+"\"")
|
|
if objectAPI.IsEncryptionSupported() {
|
|
if hasSSECustomerHeader(r.Header) {
|
|
w.Header().Set(SSECustomerAlgorithm, r.Header.Get(SSECustomerAlgorithm))
|
|
w.Header().Set(SSECustomerKeyMD5, r.Header.Get(SSECustomerKeyMD5))
|
|
}
|
|
}
|
|
|
|
writeSuccessResponseHeadersOnly(w)
|
|
|
|
// Get host and port from Request.RemoteAddr.
|
|
host, port, err := net.SplitHostPort(r.RemoteAddr)
|
|
if err != nil {
|
|
host, port = "", ""
|
|
}
|
|
|
|
// Notify object created event.
|
|
sendEvent(eventArgs{
|
|
EventName: event.ObjectCreatedPut,
|
|
BucketName: bucket,
|
|
Object: objInfo,
|
|
ReqParams: extractReqParams(r),
|
|
UserAgent: r.UserAgent(),
|
|
Host: host,
|
|
Port: port,
|
|
})
|
|
}
|
|
|
|
/// Multipart objectAPIHandlers
|
|
|
|
// NewMultipartUploadHandler - New multipart upload.
|
|
func (api objectAPIHandlers) NewMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, "NewMultipartUpload")
|
|
|
|
var object, bucket string
|
|
vars := mux.Vars(r)
|
|
bucket = vars["bucket"]
|
|
object = vars["object"]
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
if s3Error := checkRequestAuthType(ctx, r, bucket, "s3:PutObject", globalServerConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err := objectAPI.GetObjectInfo(ctx, bucket, object); err == nil {
|
|
writeErrorResponse(w, ErrMethodNotAllowed, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Validate storage class metadata if present
|
|
if _, ok := r.Header[amzStorageClassCanonical]; ok {
|
|
if !isValidStorageClassMeta(r.Header.Get(amzStorageClassCanonical)) {
|
|
writeErrorResponse(w, ErrInvalidStorageClass, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
var encMetadata = map[string]string{}
|
|
|
|
if objectAPI.IsEncryptionSupported() {
|
|
if hasSSECustomerHeader(r.Header) {
|
|
key, err := ParseSSECustomerRequest(r)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
_, err = newEncryptMetadata(key, encMetadata)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Set this for multipart only operations, we need to differentiate during
|
|
// decryption if the file was actually multipart or not.
|
|
encMetadata[ReservedMetadataPrefix+"Encrypted-Multipart"] = ""
|
|
}
|
|
}
|
|
|
|
// Extract metadata that needs to be saved.
|
|
metadata, err := extractMetadataFromHeader(ctx, r.Header)
|
|
if err != nil {
|
|
writeErrorResponse(w, ErrInternalError, r.URL)
|
|
return
|
|
}
|
|
|
|
// We need to preserve the encryption headers set in EncryptRequest,
|
|
// so we do not want to override them, copy them instead.
|
|
for k, v := range encMetadata {
|
|
metadata[k] = v
|
|
}
|
|
|
|
newMultipartUpload := objectAPI.NewMultipartUpload
|
|
if api.CacheAPI() != nil {
|
|
newMultipartUpload = api.CacheAPI().NewMultipartUpload
|
|
}
|
|
uploadID, err := newMultipartUpload(ctx, bucket, object, metadata)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
response := generateInitiateMultipartUploadResponse(bucket, object, uploadID)
|
|
encodedSuccessResponse := encodeResponse(response)
|
|
|
|
// Write success response.
|
|
writeSuccessResponseXML(w, encodedSuccessResponse)
|
|
}
|
|
|
|
// CopyObjectPartHandler - uploads a part by copying data from an existing object as data source.
|
|
func (api objectAPIHandlers) CopyObjectPartHandler(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, "CopyObjectPart")
|
|
|
|
vars := mux.Vars(r)
|
|
dstBucket := vars["bucket"]
|
|
dstObject := vars["object"]
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
if s3Error := checkRequestAuthType(ctx, r, dstBucket, "s3:PutObject", globalServerConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
// Copy source path.
|
|
cpSrcPath, err := url.QueryUnescape(r.Header.Get("X-Amz-Copy-Source"))
|
|
if err != nil {
|
|
// Save unescaped string as is.
|
|
cpSrcPath = r.Header.Get("X-Amz-Copy-Source")
|
|
}
|
|
|
|
srcBucket, srcObject := path2BucketAndObject(cpSrcPath)
|
|
// If source object is empty or bucket is empty, reply back invalid copy source.
|
|
if srcObject == "" || srcBucket == "" {
|
|
writeErrorResponse(w, ErrInvalidCopySource, r.URL)
|
|
return
|
|
}
|
|
|
|
uploadID := r.URL.Query().Get("uploadId")
|
|
partIDString := r.URL.Query().Get("partNumber")
|
|
|
|
partID, err := strconv.Atoi(partIDString)
|
|
if err != nil {
|
|
writeErrorResponse(w, ErrInvalidPart, r.URL)
|
|
return
|
|
}
|
|
|
|
// check partID with maximum part ID for multipart objects
|
|
if isMaxPartID(partID) {
|
|
writeErrorResponse(w, ErrInvalidMaxParts, r.URL)
|
|
return
|
|
}
|
|
|
|
srcInfo, err := objectAPI.GetObjectInfo(ctx, srcBucket, srcObject)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err = objectAPI.GetObjectInfo(ctx, dstBucket, dstObject); err == nil {
|
|
writeErrorResponse(w, ErrMethodNotAllowed, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
if objectAPI.IsEncryptionSupported() {
|
|
if apiErr, _ := DecryptCopyObjectInfo(&srcInfo, r.Header); apiErr != ErrNone {
|
|
writeErrorResponse(w, apiErr, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Get request range.
|
|
var hrange *httpRange
|
|
rangeHeader := r.Header.Get("x-amz-copy-source-range")
|
|
if rangeHeader != "" {
|
|
if hrange, err = parseCopyPartRange(rangeHeader, srcInfo.Size); err != nil {
|
|
// Handle only errInvalidRange
|
|
// Ignore other parse error and treat it as regular Get request like Amazon S3.
|
|
logger.GetReqInfo(ctx).AppendTags("rangeHeader", rangeHeader)
|
|
logger.LogIf(ctx, err)
|
|
writeCopyPartErr(w, err, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Verify before x-amz-copy-source preconditions before continuing with CopyObject.
|
|
if checkCopyObjectPartPreconditions(w, r, srcInfo) {
|
|
return
|
|
}
|
|
|
|
// Get the object.
|
|
var startOffset int64
|
|
length := srcInfo.Size
|
|
if hrange != nil {
|
|
length = hrange.getLength()
|
|
startOffset = hrange.offsetBegin
|
|
}
|
|
|
|
/// maximum copy size for multipart objects in a single operation
|
|
if isMaxAllowedPartSize(length) {
|
|
writeErrorResponse(w, ErrEntityTooLarge, r.URL)
|
|
return
|
|
}
|
|
|
|
// Initialize pipe.
|
|
pipeReader, pipeWriter := io.Pipe()
|
|
|
|
var writer io.WriteCloser = pipeWriter
|
|
var reader io.Reader = pipeReader
|
|
srcInfo.Reader, err = hash.NewReader(reader, length, "", "")
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
if objectAPI.IsEncryptionSupported() {
|
|
var li ListPartsInfo
|
|
li, err = objectAPI.ListObjectParts(ctx, dstBucket, dstObject, uploadID, 0, 1)
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
sseCopyC := hasSSECopyCustomerHeader(r.Header)
|
|
if sseCopyC {
|
|
// Response writer should be limited early on for decryption upto required length,
|
|
// additionally also skipping mod(offset)64KiB boundaries.
|
|
writer = ioutil.LimitedWriter(writer, startOffset%(64*1024), length)
|
|
writer, startOffset, length, err = DecryptBlocksRequest(pipeWriter, r, startOffset, length, srcInfo, true)
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
}
|
|
if li.IsEncrypted() {
|
|
if !hasSSECustomerHeader(r.Header) {
|
|
writeErrorResponse(w, ErrSSEMultipartEncrypted, r.URL)
|
|
return
|
|
}
|
|
var key []byte
|
|
key, err = ParseSSECustomerRequest(r)
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Calculating object encryption key
|
|
var objectEncryptionKey []byte
|
|
objectEncryptionKey, err = decryptObjectInfo(key, li.UserDefined)
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
reader, err = sio.EncryptReader(pipeReader, sio.Config{Key: objectEncryptionKey})
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
size := length
|
|
if !sseCopyC {
|
|
info := ObjectInfo{Size: length}
|
|
size = info.EncryptedSize()
|
|
}
|
|
|
|
srcInfo.Reader, err = hash.NewReader(reader, size, "", "")
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
srcInfo.Writer = writer
|
|
|
|
// Copy source object to destination, if source and destination
|
|
// object is same then only metadata is updated.
|
|
partInfo, err := objectAPI.CopyObjectPart(ctx, srcBucket, srcObject, dstBucket,
|
|
dstObject, uploadID, partID, startOffset, length, srcInfo)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Close the pipe after successful operation.
|
|
pipeReader.Close()
|
|
|
|
response := generateCopyObjectPartResponse(partInfo.ETag, partInfo.LastModified)
|
|
encodedSuccessResponse := encodeResponse(response)
|
|
|
|
// Write success response.
|
|
writeSuccessResponseXML(w, encodedSuccessResponse)
|
|
}
|
|
|
|
// PutObjectPartHandler - uploads an incoming part for an ongoing multipart operation.
|
|
func (api objectAPIHandlers) PutObjectPartHandler(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, "PutObjectPart")
|
|
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
// X-Amz-Copy-Source shouldn't be set for this call.
|
|
if _, ok := r.Header["X-Amz-Copy-Source"]; ok {
|
|
writeErrorResponse(w, ErrInvalidCopySource, r.URL)
|
|
return
|
|
}
|
|
|
|
// get Content-Md5 sent by client and verify if valid
|
|
md5Bytes, err := checkValidMD5(r.Header)
|
|
if err != nil {
|
|
writeErrorResponse(w, ErrInvalidDigest, r.URL)
|
|
return
|
|
}
|
|
|
|
/// if Content-Length is unknown/missing, throw away
|
|
size := r.ContentLength
|
|
|
|
rAuthType := getRequestAuthType(r)
|
|
// For auth type streaming signature, we need to gather a different content length.
|
|
if rAuthType == authTypeStreamingSigned {
|
|
if sizeStr, ok := r.Header["X-Amz-Decoded-Content-Length"]; ok {
|
|
if sizeStr[0] == "" {
|
|
writeErrorResponse(w, ErrMissingContentLength, r.URL)
|
|
return
|
|
}
|
|
size, err = strconv.ParseInt(sizeStr[0], 10, 64)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
if size == -1 {
|
|
writeErrorResponse(w, ErrMissingContentLength, r.URL)
|
|
return
|
|
}
|
|
|
|
/// maximum Upload size for multipart objects in a single operation
|
|
if isMaxAllowedPartSize(size) {
|
|
writeErrorResponse(w, ErrEntityTooLarge, r.URL)
|
|
return
|
|
}
|
|
|
|
uploadID := r.URL.Query().Get("uploadId")
|
|
partIDString := r.URL.Query().Get("partNumber")
|
|
|
|
partID, err := strconv.Atoi(partIDString)
|
|
if err != nil {
|
|
writeErrorResponse(w, ErrInvalidPart, r.URL)
|
|
return
|
|
}
|
|
|
|
// check partID with maximum part ID for multipart objects
|
|
if isMaxPartID(partID) {
|
|
writeErrorResponse(w, ErrInvalidMaxParts, r.URL)
|
|
return
|
|
}
|
|
|
|
var (
|
|
md5hex = hex.EncodeToString(md5Bytes)
|
|
sha256hex = ""
|
|
reader io.Reader
|
|
)
|
|
reader = r.Body
|
|
|
|
switch rAuthType {
|
|
default:
|
|
// For all unknown auth types return error.
|
|
writeErrorResponse(w, ErrAccessDenied, r.URL)
|
|
return
|
|
case authTypeAnonymous:
|
|
// http://docs.aws.amazon.com/AmazonS3/latest/dev/mpuAndPermissions.html
|
|
if s3Error := enforceBucketPolicy(ctx, bucket, "s3:PutObject", r.URL.Path,
|
|
r.Referer(), handlers.GetSourceIP(r), r.URL.Query()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
case authTypeStreamingSigned:
|
|
// Initialize stream signature verifier.
|
|
var s3Error APIErrorCode
|
|
reader, s3Error = newSignV4ChunkedReader(r)
|
|
if s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
case authTypeSignedV2, authTypePresignedV2:
|
|
s3Error := isReqAuthenticatedV2(r)
|
|
if s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
case authTypePresigned, authTypeSigned:
|
|
if s3Error := reqSignatureV4Verify(r, globalServerConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
if !skipContentSha256Cksum(r) {
|
|
sha256hex = getContentSha256Cksum(r)
|
|
}
|
|
}
|
|
|
|
hashReader, err := hash.NewReader(reader, size, md5hex, sha256hex)
|
|
if err != nil {
|
|
// Verify if the underlying error is signature mismatch.
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err = objectAPI.GetObjectInfo(ctx, bucket, object); err == nil {
|
|
writeErrorResponse(w, ErrMethodNotAllowed, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
if objectAPI.IsEncryptionSupported() {
|
|
var li ListPartsInfo
|
|
li, err = objectAPI.ListObjectParts(ctx, bucket, object, uploadID, 0, 1)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
if li.IsEncrypted() {
|
|
if !hasSSECustomerHeader(r.Header) {
|
|
writeErrorResponse(w, ErrSSEMultipartEncrypted, r.URL)
|
|
return
|
|
}
|
|
var key []byte
|
|
key, err = ParseSSECustomerRequest(r)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Calculating object encryption key
|
|
var objectEncryptionKey []byte
|
|
objectEncryptionKey, err = decryptObjectInfo(key, li.UserDefined)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
var partIDbin [4]byte
|
|
binary.LittleEndian.PutUint32(partIDbin[:], uint32(partID)) // marshal part ID
|
|
|
|
mac := hmac.New(sha256.New, objectEncryptionKey) // derive part encryption key from part ID and object key
|
|
mac.Write(partIDbin[:])
|
|
partEncryptionKey := mac.Sum(nil)
|
|
|
|
reader, err = sio.EncryptReader(reader, sio.Config{Key: partEncryptionKey})
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
info := ObjectInfo{Size: size}
|
|
hashReader, err = hash.NewReader(reader, info.EncryptedSize(), "", "") // do not try to verify encrypted content
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
putObjectPart := objectAPI.PutObjectPart
|
|
if api.CacheAPI() != nil {
|
|
putObjectPart = api.CacheAPI().PutObjectPart
|
|
}
|
|
partInfo, err := putObjectPart(ctx, bucket, object, uploadID, partID, hashReader)
|
|
if err != nil {
|
|
// Verify if the underlying error is signature mismatch.
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
if partInfo.ETag != "" {
|
|
w.Header().Set("ETag", "\""+partInfo.ETag+"\"")
|
|
}
|
|
|
|
writeSuccessResponseHeadersOnly(w)
|
|
}
|
|
|
|
// AbortMultipartUploadHandler - Abort multipart upload
|
|
func (api objectAPIHandlers) AbortMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, "AbortMultipartUpload")
|
|
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
abortMultipartUpload := objectAPI.AbortMultipartUpload
|
|
if api.CacheAPI() != nil {
|
|
abortMultipartUpload = api.CacheAPI().AbortMultipartUpload
|
|
}
|
|
if s3Error := checkRequestAuthType(ctx, r, bucket, "s3:AbortMultipartUpload", globalServerConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err := objectAPI.GetObjectInfo(ctx, bucket, object); err == nil {
|
|
writeErrorResponse(w, ErrMethodNotAllowed, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
uploadID, _, _, _ := getObjectResources(r.URL.Query())
|
|
if err := abortMultipartUpload(ctx, bucket, object, uploadID); err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
writeSuccessNoContent(w)
|
|
}
|
|
|
|
// ListObjectPartsHandler - List object parts
|
|
func (api objectAPIHandlers) ListObjectPartsHandler(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, "ListObjectParts")
|
|
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
if s3Error := checkRequestAuthType(ctx, r, bucket, "s3:ListMultipartUploadParts", globalServerConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
uploadID, partNumberMarker, maxParts, _ := getObjectResources(r.URL.Query())
|
|
if partNumberMarker < 0 {
|
|
writeErrorResponse(w, ErrInvalidPartNumberMarker, r.URL)
|
|
return
|
|
}
|
|
if maxParts < 0 {
|
|
writeErrorResponse(w, ErrInvalidMaxParts, r.URL)
|
|
return
|
|
}
|
|
listPartsInfo, err := objectAPI.ListObjectParts(ctx, bucket, object, uploadID, partNumberMarker, maxParts)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
response := generateListPartsResponse(listPartsInfo)
|
|
encodedSuccessResponse := encodeResponse(response)
|
|
|
|
// Write success response.
|
|
writeSuccessResponseXML(w, encodedSuccessResponse)
|
|
}
|
|
|
|
// CompleteMultipartUploadHandler - Complete multipart upload.
|
|
func (api objectAPIHandlers) CompleteMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, "CompleteMultipartUpload")
|
|
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
if s3Error := checkRequestAuthType(ctx, r, bucket, "s3:PutObject", globalServerConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err := objectAPI.GetObjectInfo(ctx, bucket, object); err == nil {
|
|
writeErrorResponse(w, ErrMethodNotAllowed, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Get upload id.
|
|
uploadID, _, _, _ := getObjectResources(r.URL.Query())
|
|
|
|
completeMultipartBytes, err := goioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
writeErrorResponse(w, ErrInternalError, r.URL)
|
|
return
|
|
}
|
|
complMultipartUpload := &CompleteMultipartUpload{}
|
|
if err = xml.Unmarshal(completeMultipartBytes, complMultipartUpload); err != nil {
|
|
writeErrorResponse(w, ErrMalformedXML, r.URL)
|
|
return
|
|
}
|
|
if len(complMultipartUpload.Parts) == 0 {
|
|
writeErrorResponse(w, ErrMalformedXML, r.URL)
|
|
return
|
|
}
|
|
if !sort.IsSorted(CompletedParts(complMultipartUpload.Parts)) {
|
|
writeErrorResponse(w, ErrInvalidPartOrder, r.URL)
|
|
return
|
|
}
|
|
|
|
// Complete parts.
|
|
var completeParts []CompletePart
|
|
for _, part := range complMultipartUpload.Parts {
|
|
part.ETag = canonicalizeETag(part.ETag)
|
|
completeParts = append(completeParts, part)
|
|
}
|
|
|
|
completeMultiPartUpload := objectAPI.CompleteMultipartUpload
|
|
if api.CacheAPI() != nil {
|
|
completeMultiPartUpload = api.CacheAPI().CompleteMultipartUpload
|
|
}
|
|
objInfo, err := completeMultiPartUpload(ctx, bucket, object, uploadID, completeParts)
|
|
if err != nil {
|
|
err = errors.Cause(err)
|
|
switch oErr := err.(type) {
|
|
case PartTooSmall:
|
|
// Write part too small error.
|
|
writePartSmallErrorResponse(w, r, oErr)
|
|
default:
|
|
// Handle all other generic issues.
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
}
|
|
return
|
|
}
|
|
|
|
// Get object location.
|
|
location := getObjectLocation(r, globalDomainName, bucket, object)
|
|
// Generate complete multipart response.
|
|
response := generateCompleteMultpartUploadResponse(bucket, object, location, objInfo.ETag)
|
|
encodedSuccessResponse := encodeResponse(response)
|
|
if err != nil {
|
|
writeErrorResponse(w, ErrInternalError, r.URL)
|
|
return
|
|
}
|
|
|
|
// Set etag.
|
|
w.Header().Set("ETag", "\""+objInfo.ETag+"\"")
|
|
|
|
// Write success response.
|
|
writeSuccessResponseXML(w, encodedSuccessResponse)
|
|
|
|
// Get host and port from Request.RemoteAddr.
|
|
host, port, err := net.SplitHostPort(r.RemoteAddr)
|
|
if err != nil {
|
|
host, port = "", ""
|
|
}
|
|
|
|
// Notify object created event.
|
|
sendEvent(eventArgs{
|
|
EventName: event.ObjectCreatedCompleteMultipartUpload,
|
|
BucketName: bucket,
|
|
Object: objInfo,
|
|
ReqParams: extractReqParams(r),
|
|
UserAgent: r.UserAgent(),
|
|
Host: host,
|
|
Port: port,
|
|
})
|
|
}
|
|
|
|
/// Delete objectAPIHandlers
|
|
|
|
// DeleteObjectHandler - delete an object
|
|
func (api objectAPIHandlers) DeleteObjectHandler(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, "DeleteObject")
|
|
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
if s3Error := checkRequestAuthType(ctx, r, bucket, "s3:DeleteObject", globalServerConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
// Not required to check whether given object exists or not, because
|
|
// DeleteObject is always successful irrespective of object existence.
|
|
writeErrorResponse(w, ErrMethodNotAllowed, r.URL)
|
|
return
|
|
}
|
|
|
|
// http://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectDELETE.html
|
|
// Ignore delete object errors while replying to client, since we are
|
|
// suppposed to reply only 204. Additionally log the error for
|
|
// investigation.
|
|
deleteObject(ctx, objectAPI, api.CacheAPI(), bucket, object, r)
|
|
writeSuccessNoContent(w)
|
|
}
|
|
|