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1820 lines
56 KiB
1820 lines
56 KiB
/*
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* Minio Cloud Storage, (C) 2015-2018 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"context"
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"crypto/hmac"
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"encoding/binary"
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"encoding/hex"
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"encoding/xml"
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"fmt"
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"io"
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goioutil "io/ioutil"
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"net"
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"net/http"
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"net/url"
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"sort"
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"strconv"
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"strings"
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"github.com/gorilla/mux"
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miniogo "github.com/minio/minio-go"
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"github.com/minio/minio/cmd/crypto"
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"github.com/minio/minio/cmd/logger"
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"github.com/minio/minio/pkg/dns"
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"github.com/minio/minio/pkg/event"
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"github.com/minio/minio/pkg/handlers"
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"github.com/minio/minio/pkg/hash"
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"github.com/minio/minio/pkg/ioutil"
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"github.com/minio/minio/pkg/policy"
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"github.com/minio/minio/pkg/s3select"
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sha256 "github.com/minio/sha256-simd"
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"github.com/minio/sio"
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)
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// supportedHeadGetReqParams - supported request parameters for GET and HEAD presigned request.
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var supportedHeadGetReqParams = map[string]string{
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"response-expires": "Expires",
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"response-content-type": "Content-Type",
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"response-cache-control": "Cache-Control",
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"response-content-encoding": "Content-Encoding",
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"response-content-language": "Content-Language",
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"response-content-disposition": "Content-Disposition",
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}
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// setHeadGetRespHeaders - set any requested parameters as response headers.
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func setHeadGetRespHeaders(w http.ResponseWriter, reqParams url.Values) {
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for k, v := range reqParams {
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if header, ok := supportedHeadGetReqParams[k]; ok {
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w.Header()[header] = v
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}
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}
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}
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// SelectObjectContentHandler - GET Object?select
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// ----------
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// This implementation of the GET operation retrieves object content based
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// on an SQL expression. In the request, along with the sql expression, you must
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// also specify a data serialization format (JSON, CSV) of the object.
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func (api objectAPIHandlers) SelectObjectContentHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "SelectObject")
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var object, bucket string
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vars := mux.Vars(r)
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bucket = vars["bucket"]
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object = vars["object"]
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// Fetch object stat info.
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objectAPI := api.ObjectAPI()
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if objectAPI == nil {
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writeErrorResponse(w, ErrServerNotInitialized, r.URL)
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return
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}
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getObjectInfo := objectAPI.GetObjectInfo
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if api.CacheAPI() != nil {
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getObjectInfo = api.CacheAPI().GetObjectInfo
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}
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opts := ObjectOptions{}
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if s3Error := checkRequestAuthType(ctx, r, policy.GetObjectAction, bucket, object); s3Error != ErrNone {
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if getRequestAuthType(r) == authTypeAnonymous {
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// As per "Permission" section in
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// https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectGET.html If
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// the object you request does not exist, the error Amazon S3 returns
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// depends on whether you also have the s3:ListBucket permission. * If you
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// have the s3:ListBucket permission on the bucket, Amazon S3 will return
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// an HTTP status code 404 ("no such key") error. * if you don’t have the
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// s3:ListBucket permission, Amazon S3 will return an HTTP status code 403
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// ("access denied") error.`
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if globalPolicySys.IsAllowed(policy.Args{
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Action: policy.ListBucketAction,
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BucketName: bucket,
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ConditionValues: getConditionValues(r, ""),
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IsOwner: false,
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}) {
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_, err := getObjectInfo(ctx, bucket, object, opts)
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if toAPIErrorCode(err) == ErrNoSuchKey {
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s3Error = ErrNoSuchKey
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}
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}
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}
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writeErrorResponse(w, s3Error, r.URL)
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return
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}
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if r.ContentLength <= 0 {
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writeErrorResponse(w, ErrEmptyRequestBody, r.URL)
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return
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}
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var selectReq ObjectSelectRequest
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if err := xmlDecoder(r.Body, &selectReq, r.ContentLength); err != nil {
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writeErrorResponse(w, ErrMalformedXML, r.URL)
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return
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}
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objInfo, err := getObjectInfo(ctx, bucket, object, opts)
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if err != nil {
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writeErrorResponse(w, toAPIErrorCode(err), r.URL)
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return
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}
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// Get request range.
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rangeHeader := r.Header.Get("Range")
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if rangeHeader != "" {
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writeErrorResponse(w, ErrUnsupportedRangeHeader, r.URL)
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return
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}
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if selectReq.InputSerialization.CompressionType == SelectCompressionGZIP {
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if !strings.Contains(objInfo.ContentType, "gzip") {
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writeErrorResponse(w, ErrInvalidDataSource, r.URL)
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return
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}
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}
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if selectReq.InputSerialization.CompressionType == SelectCompressionBZIP {
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if !strings.Contains(objInfo.ContentType, "bzip") {
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writeErrorResponse(w, ErrInvalidDataSource, r.URL)
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return
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}
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}
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if selectReq.InputSerialization.CompressionType == SelectCompressionNONE ||
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selectReq.InputSerialization.CompressionType == "" {
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selectReq.InputSerialization.CompressionType = SelectCompressionNONE
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if !strings.Contains(objInfo.ContentType, "text/csv") {
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writeErrorResponse(w, ErrInvalidDataSource, r.URL)
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return
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}
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}
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if !strings.EqualFold(string(selectReq.ExpressionType), "SQL") {
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writeErrorResponse(w, ErrInvalidExpressionType, r.URL)
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return
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}
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if len(selectReq.Expression) >= s3select.MaxExpressionLength {
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writeErrorResponse(w, ErrExpressionTooLong, r.URL)
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return
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}
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if selectReq.InputSerialization.CSV.FileHeaderInfo != CSVFileHeaderInfoUse &&
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selectReq.InputSerialization.CSV.FileHeaderInfo != CSVFileHeaderInfoNone &&
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selectReq.InputSerialization.CSV.FileHeaderInfo != CSVFileHeaderInfoIgnore &&
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selectReq.InputSerialization.CSV.FileHeaderInfo != "" {
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writeErrorResponse(w, ErrInvalidFileHeaderInfo, r.URL)
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return
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}
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if selectReq.OutputSerialization.CSV.QuoteFields != CSVQuoteFieldsAlways &&
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selectReq.OutputSerialization.CSV.QuoteFields != CSVQuoteFieldsAsNeeded &&
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selectReq.OutputSerialization.CSV.QuoteFields != "" {
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writeErrorResponse(w, ErrInvalidQuoteFields, r.URL)
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return
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}
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if len(selectReq.InputSerialization.CSV.RecordDelimiter) > 2 {
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writeErrorResponse(w, ErrInvalidRequestParameter, r.URL)
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return
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}
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getObject := objectAPI.GetObject
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if api.CacheAPI() != nil && !crypto.SSEC.IsRequested(r.Header) {
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getObject = api.CacheAPI().GetObject
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}
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reader, pipewriter := io.Pipe()
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// Get the object.
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var startOffset int64
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length := objInfo.Size
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var writer io.Writer
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writer = pipewriter
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if objectAPI.IsEncryptionSupported() {
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if crypto.SSEC.IsRequested(r.Header) {
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// Response writer should be limited early on for decryption upto required length,
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// additionally also skipping mod(offset)64KiB boundaries.
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writer = ioutil.LimitedWriter(writer, startOffset%(64*1024), length)
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writer, startOffset, length, err = DecryptBlocksRequest(writer, r, bucket,
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object, startOffset, length, objInfo, false)
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if err != nil {
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writeErrorResponse(w, toAPIErrorCode(err), r.URL)
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return
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}
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}
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}
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go func() {
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defer reader.Close()
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if gerr := getObject(ctx, bucket, object, 0, objInfo.Size, writer, objInfo.ETag, opts); gerr != nil {
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pipewriter.CloseWithError(gerr)
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return
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}
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pipewriter.Close() // Close writer explicitly signaling we wrote all data.
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}()
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//s3select //Options
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if selectReq.OutputSerialization.CSV.FieldDelimiter == "" {
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selectReq.OutputSerialization.CSV.FieldDelimiter = ","
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}
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if selectReq.InputSerialization.CSV.FileHeaderInfo == "" {
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selectReq.InputSerialization.CSV.FileHeaderInfo = CSVFileHeaderInfoNone
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}
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if selectReq.InputSerialization.CSV.RecordDelimiter == "" {
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selectReq.InputSerialization.CSV.RecordDelimiter = "\n"
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}
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if selectReq.InputSerialization.CSV != nil {
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options := &s3select.Options{
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HasHeader: selectReq.InputSerialization.CSV.FileHeaderInfo != CSVFileHeaderInfoNone,
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RecordDelimiter: selectReq.InputSerialization.CSV.RecordDelimiter,
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FieldDelimiter: selectReq.InputSerialization.CSV.FieldDelimiter,
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Comments: selectReq.InputSerialization.CSV.Comments,
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Name: "S3Object", // Default table name for all objects
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ReadFrom: reader,
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Compressed: string(selectReq.InputSerialization.CompressionType),
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Expression: selectReq.Expression,
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OutputFieldDelimiter: selectReq.OutputSerialization.CSV.FieldDelimiter,
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StreamSize: objInfo.Size,
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HeaderOpt: selectReq.InputSerialization.CSV.FileHeaderInfo == CSVFileHeaderInfoUse,
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}
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s3s, err := s3select.NewInput(options)
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if err != nil {
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writeErrorResponse(w, toAPIErrorCode(err), r.URL)
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return
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}
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_, _, _, _, _, _, err = s3s.ParseSelect(selectReq.Expression)
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if err != nil {
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writeErrorResponse(w, toAPIErrorCode(err), r.URL)
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return
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}
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if err = s3s.Execute(w); err != nil {
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logger.LogIf(ctx, err)
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}
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}
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}
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// GetObjectHandler - GET Object
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// ----------
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// This implementation of the GET operation retrieves object. To use GET,
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// you must have READ access to the object.
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func (api objectAPIHandlers) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "GetObject")
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objectAPI := api.ObjectAPI()
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if objectAPI == nil {
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writeErrorResponse(w, ErrServerNotInitialized, r.URL)
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return
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}
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|
if crypto.S3.IsRequested(r.Header) || crypto.S3KMS.IsRequested(r.Header) { // If SSE-S3 or SSE-KMS present -> AWS fails with undefined error
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writeErrorResponse(w, ErrBadRequest, r.URL)
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return
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}
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vars := mux.Vars(r)
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bucket := vars["bucket"]
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object := vars["object"]
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opts := ObjectOptions{}
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getObjectInfo := objectAPI.GetObjectInfo
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if api.CacheAPI() != nil {
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getObjectInfo = api.CacheAPI().GetObjectInfo
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}
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if s3Error := checkRequestAuthType(ctx, r, policy.GetObjectAction, bucket, object); s3Error != ErrNone {
|
|
if getRequestAuthType(r) == authTypeAnonymous {
|
|
// As per "Permission" section in https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectGET.html
|
|
// If the object you request does not exist, the error Amazon S3 returns depends on whether you also have the s3:ListBucket permission.
|
|
// * If you have the s3:ListBucket permission on the bucket, Amazon S3 will return an HTTP status code 404 ("no such key") error.
|
|
// * if you don’t have the s3:ListBucket permission, Amazon S3 will return an HTTP status code 403 ("access denied") error.`
|
|
if globalPolicySys.IsAllowed(policy.Args{
|
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Action: policy.ListBucketAction,
|
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BucketName: bucket,
|
|
ConditionValues: getConditionValues(r, ""),
|
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IsOwner: false,
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}) {
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_, err := getObjectInfo(ctx, bucket, object, opts)
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if toAPIErrorCode(err) == ErrNoSuchKey {
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s3Error = ErrNoSuchKey
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}
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}
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}
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writeErrorResponse(w, s3Error, r.URL)
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return
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}
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objInfo, err := getObjectInfo(ctx, bucket, object, opts)
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if err != nil {
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writeErrorResponse(w, toAPIErrorCode(err), r.URL)
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return
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}
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if objectAPI.IsEncryptionSupported() {
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if _, err = DecryptObjectInfo(&objInfo, r.Header); err != nil {
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writeErrorResponse(w, toAPIErrorCode(err), r.URL)
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return
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}
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}
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// Get request range.
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var hrange *httpRange
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rangeHeader := r.Header.Get("Range")
|
|
if rangeHeader != "" {
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if hrange, err = parseRequestRange(rangeHeader, objInfo.Size); err != nil {
|
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// Handle only errInvalidRange
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// Ignore other parse error and treat it as regular Get request like Amazon S3.
|
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if err == errInvalidRange {
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writeErrorResponse(w, ErrInvalidRange, r.URL)
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return
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}
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|
|
// log the error.
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logger.LogIf(ctx, err)
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}
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}
|
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|
|
// Validate pre-conditions if any.
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if checkPreconditions(w, r, objInfo) {
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return
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}
|
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|
|
// Get the object.
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var startOffset int64
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length := objInfo.Size
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if hrange != nil {
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startOffset = hrange.offsetBegin
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length = hrange.getLength()
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}
|
|
|
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var writer io.Writer
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writer = w
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if objectAPI.IsEncryptionSupported() {
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s3Encrypted := crypto.S3.IsEncrypted(objInfo.UserDefined)
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if crypto.SSEC.IsRequested(r.Header) || s3Encrypted {
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// Response writer should be limited early on for decryption upto required length,
|
|
// additionally also skipping mod(offset)64KiB boundaries.
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writer = ioutil.LimitedWriter(writer, startOffset%(64*1024), length)
|
|
|
|
writer, startOffset, length, err = DecryptBlocksRequest(writer, r, bucket, object, startOffset, length, objInfo, false)
|
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if err != nil {
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writeErrorResponse(w, toAPIErrorCode(err), r.URL)
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return
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|
}
|
|
if s3Encrypted {
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w.Header().Set(crypto.SSEHeader, crypto.SSEAlgorithmAES256)
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|
} else {
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w.Header().Set(crypto.SSECAlgorithm, r.Header.Get(crypto.SSECAlgorithm))
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w.Header().Set(crypto.SSECKeyMD5, r.Header.Get(crypto.SSECKeyMD5))
|
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}
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}
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}
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|
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setObjectHeaders(w, objInfo, hrange)
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setHeadGetRespHeaders(w, r.URL.Query())
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|
|
getObject := objectAPI.GetObject
|
|
if api.CacheAPI() != nil && !crypto.SSEC.IsRequested(r.Header) && !crypto.S3.IsEncrypted(objInfo.UserDefined) {
|
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getObject = api.CacheAPI().GetObject
|
|
}
|
|
|
|
statusCodeWritten := false
|
|
httpWriter := ioutil.WriteOnClose(writer)
|
|
|
|
if hrange != nil && hrange.offsetBegin > -1 {
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statusCodeWritten = true
|
|
w.WriteHeader(http.StatusPartialContent)
|
|
}
|
|
|
|
// Reads the object at startOffset and writes to mw.
|
|
if err = getObject(ctx, bucket, object, startOffset, length, httpWriter, objInfo.ETag, opts); err != nil {
|
|
if !httpWriter.HasWritten() && !statusCodeWritten { // write error response only if no data or headers has been written to client yet
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
}
|
|
httpWriter.Close()
|
|
return
|
|
}
|
|
|
|
if err = httpWriter.Close(); err != nil {
|
|
if !httpWriter.HasWritten() && !statusCodeWritten { // write error response only if no data or headers 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(handlers.GetSourceIP(r))
|
|
if err != nil {
|
|
host, port = "", ""
|
|
}
|
|
|
|
// Notify object accessed via a GET request.
|
|
sendEvent(eventArgs{
|
|
EventName: event.ObjectAccessedGet,
|
|
BucketName: bucket,
|
|
Object: objInfo,
|
|
ReqParams: extractReqParams(r),
|
|
RespElements: extractRespElements(w),
|
|
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, w, "HeadObject")
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponseHeadersOnly(w, ErrServerNotInitialized)
|
|
return
|
|
}
|
|
if crypto.S3.IsRequested(r.Header) || crypto.S3KMS.IsRequested(r.Header) { // If SSE-S3 or SSE-KMS present -> AWS fails with undefined error
|
|
writeErrorResponse(w, ErrBadRequest, r.URL)
|
|
return
|
|
}
|
|
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
|
|
getObjectInfo := objectAPI.GetObjectInfo
|
|
if api.CacheAPI() != nil {
|
|
getObjectInfo = api.CacheAPI().GetObjectInfo
|
|
}
|
|
|
|
opts := ObjectOptions{}
|
|
if s3Error := checkRequestAuthType(ctx, r, policy.GetObjectAction, bucket, object); s3Error != ErrNone {
|
|
if getRequestAuthType(r) == authTypeAnonymous {
|
|
// As per "Permission" section in https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectHEAD.html
|
|
// If the object you request does not exist, the error Amazon S3 returns depends on whether you also have the s3:ListBucket permission.
|
|
// * If you have the s3:ListBucket permission on the bucket, Amazon S3 will return an HTTP status code 404 ("no such key") error.
|
|
// * if you don’t have the s3:ListBucket permission, Amazon S3 will return an HTTP status code 403 ("access denied") error.`
|
|
if globalPolicySys.IsAllowed(policy.Args{
|
|
Action: policy.ListBucketAction,
|
|
BucketName: bucket,
|
|
ConditionValues: getConditionValues(r, ""),
|
|
IsOwner: false,
|
|
}) {
|
|
_, err := getObjectInfo(ctx, bucket, object, opts)
|
|
if toAPIErrorCode(err) == ErrNoSuchKey {
|
|
s3Error = ErrNoSuchKey
|
|
}
|
|
}
|
|
}
|
|
writeErrorResponseHeadersOnly(w, s3Error)
|
|
return
|
|
}
|
|
|
|
objInfo, err := getObjectInfo(ctx, bucket, object, opts)
|
|
if err != nil {
|
|
writeErrorResponseHeadersOnly(w, toAPIErrorCode(err))
|
|
return
|
|
}
|
|
var encrypted bool
|
|
if objectAPI.IsEncryptionSupported() {
|
|
if encrypted, err = DecryptObjectInfo(&objInfo, r.Header); err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
} else if encrypted {
|
|
s3Encrypted := crypto.S3.IsEncrypted(objInfo.UserDefined)
|
|
if _, err = DecryptRequest(w, r, bucket, object, objInfo.UserDefined); err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
if s3Encrypted {
|
|
w.Header().Set(crypto.SSEHeader, crypto.SSEAlgorithmAES256)
|
|
} else {
|
|
w.Header().Set(crypto.SSECAlgorithm, r.Header.Get(crypto.SSECAlgorithm))
|
|
w.Header().Set(crypto.SSECKeyMD5, r.Header.Get(crypto.SSECKeyMD5))
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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(handlers.GetSourceIP(r))
|
|
if err != nil {
|
|
host, port = "", ""
|
|
}
|
|
|
|
// Notify object accessed via a HEAD request.
|
|
sendEvent(eventArgs{
|
|
EventName: event.ObjectAccessedHead,
|
|
BucketName: bucket,
|
|
Object: objInfo,
|
|
ReqParams: extractReqParams(r),
|
|
RespElements: extractRespElements(w),
|
|
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, r *http.Request, 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(r.Header) {
|
|
return extractMetadata(ctx, r)
|
|
}
|
|
|
|
// if x-amz-metadata-directive says COPY then we
|
|
// return the default metadata.
|
|
if isMetadataCopy(r.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, w, "CopyObject")
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
if !objectAPI.IsEncryptionSupported() && crypto.S3KMS.IsRequested(r.Header) {
|
|
writeErrorResponse(w, ErrNotImplemented, r.URL) // SSE-KMS is not supported
|
|
return
|
|
}
|
|
|
|
vars := mux.Vars(r)
|
|
dstBucket := vars["bucket"]
|
|
dstObject := vars["object"]
|
|
|
|
if s3Error := checkRequestAuthType(ctx, r, policy.PutObjectAction, dstBucket, dstObject); 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
|
|
}
|
|
|
|
var srcOpts, dstOpts ObjectOptions
|
|
cpSrcDstSame := isStringEqual(pathJoin(srcBucket, srcObject), pathJoin(dstBucket, dstObject))
|
|
srcInfo, err := objectAPI.GetObjectInfo(ctx, srcBucket, srcObject, srcOpts)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err = objectAPI.GetObjectInfo(ctx, dstBucket, dstObject, dstOpts); 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
|
|
sseCopyS3 := crypto.S3.IsEncrypted(srcInfo.UserDefined)
|
|
sseCopyC := crypto.SSECopy.IsRequested(r.Header)
|
|
sseC := crypto.SSEC.IsRequested(r.Header)
|
|
sseS3 := crypto.S3.IsRequested(r.Header)
|
|
if sseC || sseS3 {
|
|
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, srcInfo.UserDefined)
|
|
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, srcBucket, srcObject, 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 || sseCopyS3 {
|
|
// Source is encrypted make sure to save the encrypted size.
|
|
writer = ioutil.LimitedWriter(writer, 0, srcInfo.Size)
|
|
writer, srcInfo.Size, err = DecryptAllBlocksCopyRequest(writer, r, srcBucket, srcObject, 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 || sseS3 {
|
|
size = srcInfo.Size
|
|
}
|
|
}
|
|
if sseC || sseS3 {
|
|
reader, err = newEncryptReader(reader, newKey, dstBucket, dstObject, encMetadata, sseS3)
|
|
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 && !sseCopyS3 {
|
|
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, 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 && !crypto.SSEC.IsEncrypted(srcInfo.UserDefined) {
|
|
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
|
|
}
|
|
|
|
var objInfo ObjectInfo
|
|
|
|
// Checks if a remote putobject call is needed for CopyObject operation
|
|
// 1. If source and destination bucket names are same, it means no call needed to etcd to get destination info
|
|
// 2. If destination bucket doesn't exist locally, only then a etcd call is needed
|
|
var isRemoteCallRequired = func(ctx context.Context, src, dst string, objAPI ObjectLayer) bool {
|
|
if src == dst {
|
|
return false
|
|
}
|
|
_, berr := objAPI.GetBucketInfo(ctx, dst)
|
|
return berr == toObjectErr(errVolumeNotFound, dst)
|
|
}
|
|
|
|
// Returns a minio-go Client configured to access remote host described by destDNSRecord
|
|
// Applicable only in a federated deployment
|
|
var getRemoteInstanceClient = func(host string, port int) (*miniogo.Core, error) {
|
|
// In a federated deployment, all the instances share config files and hence expected to have same
|
|
// credentials. So, access current instances creds and use it to create client for remote instance
|
|
endpoint := net.JoinHostPort(host, strconv.Itoa(port))
|
|
accessKey := globalServerConfig.Credential.AccessKey
|
|
secretKey := globalServerConfig.Credential.SecretKey
|
|
return miniogo.NewCore(endpoint, accessKey, secretKey, globalIsSSL)
|
|
}
|
|
|
|
if isRemoteCallRequired(ctx, srcBucket, dstBucket, objectAPI) {
|
|
if globalDNSConfig == nil {
|
|
writeErrorResponse(w, ErrNoSuchBucket, r.URL)
|
|
return
|
|
}
|
|
var dstRecords []dns.SrvRecord
|
|
if dstRecords, err = globalDNSConfig.Get(dstBucket); err == nil {
|
|
go func() {
|
|
if gerr := objectAPI.GetObject(ctx, srcBucket, srcObject, 0, srcInfo.Size, srcInfo.Writer, srcInfo.ETag, srcOpts); gerr != nil {
|
|
pipeWriter.CloseWithError(gerr)
|
|
writeErrorResponse(w, ErrInternalError, r.URL)
|
|
return
|
|
}
|
|
// Close writer explicitly to indicate data has been written
|
|
srcInfo.Writer.Close()
|
|
}()
|
|
|
|
// Send PutObject request to appropriate instance (in federated deployment)
|
|
host, port := getRandomHostPort(dstRecords)
|
|
client, rerr := getRemoteInstanceClient(host, port)
|
|
if rerr != nil {
|
|
pipeWriter.CloseWithError(rerr)
|
|
writeErrorResponse(w, ErrInternalError, r.URL)
|
|
return
|
|
}
|
|
remoteObjInfo, rerr := client.PutObject(dstBucket, dstObject, srcInfo.Reader, srcInfo.Size, "", "", srcInfo.UserDefined, dstOpts.ServerSideEncryption)
|
|
if rerr != nil {
|
|
pipeWriter.CloseWithError(rerr)
|
|
writeErrorResponse(w, ErrInternalError, r.URL)
|
|
return
|
|
}
|
|
objInfo.ETag = remoteObjInfo.ETag
|
|
objInfo.ModTime = remoteObjInfo.LastModified
|
|
}
|
|
} else {
|
|
// 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, srcOpts, dstOpts)
|
|
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(handlers.GetSourceIP(r))
|
|
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, w, "PutObject")
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
if !objectAPI.IsEncryptionSupported() && crypto.S3KMS.IsRequested(r.Header) {
|
|
writeErrorResponse(w, ErrNotImplemented, r.URL) // SSE-KMS is not supported
|
|
return
|
|
}
|
|
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
|
|
// 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
|
|
}
|
|
|
|
// 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
|
|
}
|
|
|
|
metadata, err := extractMetadata(ctx, r)
|
|
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:
|
|
if !globalPolicySys.IsAllowed(policy.Args{
|
|
Action: policy.PutObjectAction,
|
|
BucketName: bucket,
|
|
ConditionValues: getConditionValues(r, ""),
|
|
IsOwner: false,
|
|
ObjectName: object,
|
|
}) {
|
|
writeErrorResponse(w, ErrAccessDenied, 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
|
|
}
|
|
opts := ObjectOptions{}
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err = objectAPI.GetObjectInfo(ctx, bucket, object, opts); err == nil {
|
|
writeErrorResponse(w, ErrMethodNotAllowed, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
if objectAPI.IsEncryptionSupported() {
|
|
if hasServerSideEncryptionHeader(r.Header) && !hasSuffix(object, slashSeparator) { // handle SSE requests
|
|
reader, err = EncryptRequest(hashReader, r, bucket, object, 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 && !hasServerSideEncryptionHeader(r.Header) {
|
|
putObject = api.CacheAPI().PutObject
|
|
}
|
|
|
|
// Create the object..
|
|
objInfo, err := putObject(ctx, bucket, object, hashReader, metadata, opts)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
w.Header().Set("ETag", "\""+objInfo.ETag+"\"")
|
|
if objectAPI.IsEncryptionSupported() {
|
|
if crypto.S3.IsEncrypted(objInfo.UserDefined) {
|
|
w.Header().Set(crypto.SSEHeader, crypto.SSEAlgorithmAES256)
|
|
}
|
|
if crypto.SSEC.IsRequested(r.Header) {
|
|
w.Header().Set(crypto.SSECAlgorithm, r.Header.Get(crypto.SSECAlgorithm))
|
|
w.Header().Set(crypto.SSECKeyMD5, r.Header.Get(crypto.SSECKeyMD5))
|
|
}
|
|
}
|
|
|
|
writeSuccessResponseHeadersOnly(w)
|
|
|
|
// Get host and port from Request.RemoteAddr.
|
|
host, port, err := net.SplitHostPort(handlers.GetSourceIP(r))
|
|
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, w, "NewMultipartUpload")
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
if !objectAPI.IsEncryptionSupported() && crypto.S3KMS.IsRequested(r.Header) {
|
|
writeErrorResponse(w, ErrNotImplemented, r.URL) // SSE-KMS is not supported
|
|
return
|
|
}
|
|
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
opts := ObjectOptions{}
|
|
|
|
if s3Error := checkRequestAuthType(ctx, r, policy.PutObjectAction, bucket, object); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err := objectAPI.GetObjectInfo(ctx, bucket, object, opts); 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 hasServerSideEncryptionHeader(r.Header) {
|
|
if err := setEncryptionMetadata(r, bucket, object, encMetadata); 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 := extractMetadata(ctx, r)
|
|
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 && !hasServerSideEncryptionHeader(r.Header) {
|
|
newMultipartUpload = api.CacheAPI().NewMultipartUpload
|
|
}
|
|
uploadID, err := newMultipartUpload(ctx, bucket, object, metadata, opts)
|
|
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, w, "CopyObjectPart")
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
if !objectAPI.IsEncryptionSupported() && crypto.S3KMS.IsRequested(r.Header) {
|
|
writeErrorResponse(w, ErrNotImplemented, r.URL) // SSE-KMS is not supported
|
|
return
|
|
}
|
|
|
|
vars := mux.Vars(r)
|
|
dstBucket := vars["bucket"]
|
|
dstObject := vars["object"]
|
|
|
|
if s3Error := checkRequestAuthType(ctx, r, policy.PutObjectAction, dstBucket, dstObject); 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
|
|
}
|
|
var srcOpts, dstOpts ObjectOptions
|
|
srcInfo, err := objectAPI.GetObjectInfo(ctx, srcBucket, srcObject, srcOpts)
|
|
if err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err = objectAPI.GetObjectInfo(ctx, dstBucket, dstObject, dstOpts); 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
|
|
var getLength = length
|
|
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 := crypto.SSECopy.IsRequested(r.Header)
|
|
sseCopyS3 := crypto.S3.IsEncrypted(srcInfo.UserDefined)
|
|
if sseCopyC || sseCopyS3 {
|
|
// 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, getLength, err = DecryptBlocksRequest(writer, r, srcBucket, srcObject, startOffset, length, srcInfo, true)
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
}
|
|
if crypto.IsEncrypted(li.UserDefined) {
|
|
if !hasServerSideEncryptionHeader(r.Header) {
|
|
writeErrorResponse(w, ErrSSEMultipartEncrypted, r.URL)
|
|
return
|
|
}
|
|
var key []byte
|
|
if crypto.SSEC.IsRequested(r.Header) {
|
|
key, err = ParseSSECustomerRequest(r)
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
}
|
|
var objectEncryptionKey []byte
|
|
objectEncryptionKey, err = decryptObjectInfo(key, dstBucket, dstObject, li.UserDefined)
|
|
if err != nil {
|
|
pipeWriter.CloseWithError(err)
|
|
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 {
|
|
pipeWriter.CloseWithError(err)
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
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, getLength, srcInfo, srcOpts, dstOpts)
|
|
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, w, "PutObjectPart")
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
if !objectAPI.IsEncryptionSupported() && crypto.S3KMS.IsRequested(r.Header) {
|
|
writeErrorResponse(w, ErrNotImplemented, r.URL) // SSE-KMS is not supported
|
|
return
|
|
}
|
|
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
|
|
// 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:
|
|
if !globalPolicySys.IsAllowed(policy.Args{
|
|
Action: policy.PutObjectAction,
|
|
BucketName: bucket,
|
|
ConditionValues: getConditionValues(r, ""),
|
|
IsOwner: false,
|
|
ObjectName: object,
|
|
}) {
|
|
writeErrorResponse(w, ErrAccessDenied, 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
|
|
}
|
|
|
|
opts := ObjectOptions{}
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err = objectAPI.GetObjectInfo(ctx, bucket, object, opts); 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 crypto.IsEncrypted(li.UserDefined) {
|
|
if !hasServerSideEncryptionHeader(r.Header) {
|
|
writeErrorResponse(w, ErrSSEMultipartEncrypted, r.URL)
|
|
return
|
|
}
|
|
var key []byte
|
|
if crypto.SSEC.IsRequested(r.Header) {
|
|
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, bucket, object, 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 && !hasServerSideEncryptionHeader(r.Header) {
|
|
putObjectPart = api.CacheAPI().PutObjectPart
|
|
}
|
|
partInfo, err := putObjectPart(ctx, bucket, object, uploadID, partID, hashReader, opts)
|
|
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, w, "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, policy.AbortMultipartUploadAction, bucket, object); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err := objectAPI.GetObjectInfo(ctx, bucket, object, ObjectOptions{}); 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, w, "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, policy.ListMultipartUploadPartsAction, bucket, object); 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, w, "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, policy.PutObjectAction, bucket, object); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
// Deny if WORM is enabled
|
|
if globalWORMEnabled {
|
|
if _, err := objectAPI.GetObjectInfo(ctx, bucket, object, ObjectOptions{}); 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 {
|
|
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(handlers.GetSourceIP(r))
|
|
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, w, "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, policy.DeleteObjectAction, bucket, object); 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
|
|
}
|
|
|
|
if globalDNSConfig != nil {
|
|
_, err := globalDNSConfig.Get(bucket)
|
|
if err != nil {
|
|
if err == dns.ErrNoEntriesFound {
|
|
writeErrorResponse(w, ErrNoSuchBucket, r.URL)
|
|
} else {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
}
|
|
return
|
|
}
|
|
} else {
|
|
getBucketInfo := objectAPI.GetBucketInfo
|
|
if api.CacheAPI() != nil {
|
|
getBucketInfo = api.CacheAPI().GetBucketInfo
|
|
}
|
|
if _, err := getBucketInfo(ctx, bucket); err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), 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)
|
|
}
|
|
|