mirror of
https://github.com/minio/minio.git
synced 2024-12-25 14:45:54 -05:00
583 lines
18 KiB
Go
583 lines
18 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015 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 implieapi.Filesystem.
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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 main
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import (
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"net/http"
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"net/url"
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"strconv"
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"github.com/gorilla/mux"
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"github.com/minio/minio/pkg/fs"
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)
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const (
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maxPartsList = 1000
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)
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// supportedGetReqParams - supported request parameters for GET
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// presigned request.
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var supportedGetReqParams = 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-disposition": "Content-Disposition",
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}
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// setResponseHeaders - set any requested parameters as response headers.
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func setResponseHeaders(w http.ResponseWriter, reqParams url.Values) {
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for k, v := range reqParams {
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if header, ok := supportedGetReqParams[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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// 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 storageAPI) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
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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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if isRequestRequiresACLCheck(r) {
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if api.Filesystem.IsPrivateBucket(bucket) {
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writeErrorResponse(w, r, AccessDenied, r.URL.Path)
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return
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}
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}
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if !isSignV4ReqAuthenticated(api.Signature, r) {
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writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
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return
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}
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metadata, err := api.Filesystem.GetObjectMetadata(bucket, object)
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if err != nil {
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errorIf(err.Trace(), "GetObject failed.", nil)
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switch err.ToGoError().(type) {
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case fs.BucketNameInvalid:
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writeErrorResponse(w, r, InvalidBucketName, r.URL.Path)
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case fs.BucketNotFound:
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writeErrorResponse(w, r, NoSuchBucket, r.URL.Path)
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case fs.ObjectNotFound:
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writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
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case fs.ObjectNameInvalid:
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writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
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default:
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writeErrorResponse(w, r, InternalError, r.URL.Path)
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}
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return
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}
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var hrange *httpRange
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hrange, err = getRequestedRange(r.Header.Get("Range"), metadata.Size)
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if err != nil {
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writeErrorResponse(w, r, InvalidRange, r.URL.Path)
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return
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}
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// Set standard object headers.
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setObjectHeaders(w, metadata, hrange)
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// Set any additional ruested response headers.
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setResponseHeaders(w, r.URL.Query())
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// Get the object.
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if _, err = api.Filesystem.GetObject(w, bucket, object, hrange.start, hrange.length); err != nil {
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errorIf(err.Trace(), "GetObject failed.", nil)
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return
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}
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}
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// HeadObjectHandler - HEAD Object
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// -----------
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// The HEAD operation retrieves metadata from an object without returning the object itself.
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func (api storageAPI) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
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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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if isRequestRequiresACLCheck(r) {
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if api.Filesystem.IsPrivateBucket(bucket) {
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writeErrorResponse(w, r, AccessDenied, r.URL.Path)
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return
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}
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}
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if !isSignV4ReqAuthenticated(api.Signature, r) {
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writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
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return
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}
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metadata, err := api.Filesystem.GetObjectMetadata(bucket, object)
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if err != nil {
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switch err.ToGoError().(type) {
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case fs.BucketNameInvalid:
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writeErrorResponse(w, r, InvalidBucketName, r.URL.Path)
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case fs.BucketNotFound:
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writeErrorResponse(w, r, NoSuchBucket, r.URL.Path)
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case fs.ObjectNotFound:
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writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
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case fs.ObjectNameInvalid:
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writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
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default:
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writeErrorResponse(w, r, InternalError, r.URL.Path)
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}
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return
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}
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setObjectHeaders(w, metadata, nil)
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w.WriteHeader(http.StatusOK)
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}
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// PutObjectHandler - PUT Object
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// ----------
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// This implementation of the PUT operation adds an object to a bucket.
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func (api storageAPI) PutObjectHandler(w http.ResponseWriter, r *http.Request) {
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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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if isRequestRequiresACLCheck(r) {
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if api.Filesystem.IsPrivateBucket(bucket) || api.Filesystem.IsReadOnlyBucket(bucket) {
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writeErrorResponse(w, r, AccessDenied, r.URL.Path)
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return
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}
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}
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// get Content-MD5 sent by client and verify if valid
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md5 := r.Header.Get("Content-MD5")
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if !isValidMD5(md5) {
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writeErrorResponse(w, r, InvalidDigest, r.URL.Path)
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return
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}
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/// if Content-Length is unknown/missing, deny the request
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size := r.ContentLength
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if size == -1 && !contains(r.TransferEncoding, "chunked") {
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writeErrorResponse(w, r, MissingContentLength, r.URL.Path)
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return
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}
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/// maximum Upload size for objects in a single operation
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if isMaxObjectSize(size) {
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writeErrorResponse(w, r, EntityTooLarge, r.URL.Path)
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return
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}
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// Set http request for signature.
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auth := api.Signature.SetHTTPRequestToVerify(r)
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// For presigned requests verify them right here.
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if isRequestPresignedSignatureV4(r) {
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ok, err := auth.DoesPresignedSignatureMatch()
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if err != nil {
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errorIf(err.Trace(r.URL.String()), "Presigned signature verification failed.", nil)
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writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
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return
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}
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if !ok {
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writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
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return
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}
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auth = nil
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}
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// Create object.
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metadata, err := api.Filesystem.CreateObject(bucket, object, md5, size, r.Body, auth)
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if err != nil {
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errorIf(err.Trace(), "CreateObject failed.", nil)
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switch err.ToGoError().(type) {
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case fs.RootPathFull:
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writeErrorResponse(w, r, RootPathFull, r.URL.Path)
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case fs.BucketNotFound:
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writeErrorResponse(w, r, NoSuchBucket, r.URL.Path)
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case fs.BucketNameInvalid:
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writeErrorResponse(w, r, InvalidBucketName, r.URL.Path)
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case fs.BadDigest:
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writeErrorResponse(w, r, BadDigest, r.URL.Path)
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case fs.SignDoesNotMatch:
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writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
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case fs.IncompleteBody:
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writeErrorResponse(w, r, IncompleteBody, r.URL.Path)
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case fs.InvalidDigest:
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writeErrorResponse(w, r, InvalidDigest, r.URL.Path)
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case fs.ObjectExistsAsPrefix:
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writeErrorResponse(w, r, ObjectExistsAsPrefix, r.URL.Path)
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default:
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writeErrorResponse(w, r, InternalError, r.URL.Path)
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}
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return
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}
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if metadata.MD5 != "" {
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w.Header().Set("ETag", "\""+metadata.MD5+"\"")
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}
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writeSuccessResponse(w, nil)
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}
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/// Multipart storageAPI
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// NewMultipartUploadHandler - New multipart upload
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func (api storageAPI) NewMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
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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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if isRequestRequiresACLCheck(r) {
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if api.Filesystem.IsPrivateBucket(bucket) || api.Filesystem.IsReadOnlyBucket(bucket) {
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writeErrorResponse(w, r, AccessDenied, r.URL.Path)
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return
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}
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}
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if !isSignV4ReqAuthenticated(api.Signature, r) {
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writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
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return
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}
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uploadID, err := api.Filesystem.NewMultipartUpload(bucket, object)
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if err != nil {
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errorIf(err.Trace(), "NewMultipartUpload failed.", nil)
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switch err.ToGoError().(type) {
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case fs.RootPathFull:
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writeErrorResponse(w, r, RootPathFull, r.URL.Path)
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case fs.BucketNameInvalid:
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writeErrorResponse(w, r, InvalidBucketName, r.URL.Path)
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case fs.BucketNotFound:
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writeErrorResponse(w, r, NoSuchBucket, r.URL.Path)
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case fs.ObjectNotFound:
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writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
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case fs.ObjectNameInvalid:
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writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
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default:
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writeErrorResponse(w, r, InternalError, r.URL.Path)
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}
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return
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}
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response := generateInitiateMultipartUploadResponse(bucket, object, uploadID)
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encodedSuccessResponse := encodeSuccessResponse(response)
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// write headers
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setCommonHeaders(w)
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// write success response.
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writeSuccessResponse(w, encodedSuccessResponse)
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}
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// PutObjectPartHandler - Upload part
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func (api storageAPI) PutObjectPartHandler(w http.ResponseWriter, r *http.Request) {
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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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if isRequestRequiresACLCheck(r) {
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if api.Filesystem.IsPrivateBucket(bucket) || api.Filesystem.IsReadOnlyBucket(bucket) {
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writeErrorResponse(w, r, AccessDenied, r.URL.Path)
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return
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}
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}
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// get Content-MD5 sent by client and verify if valid
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md5 := r.Header.Get("Content-MD5")
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if !isValidMD5(md5) {
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writeErrorResponse(w, r, InvalidDigest, r.URL.Path)
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return
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}
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/// if Content-Length is unknown/missing, throw away
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size := r.ContentLength
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if size == -1 {
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writeErrorResponse(w, r, MissingContentLength, r.URL.Path)
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return
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}
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/// maximum Upload size for multipart objects in a single operation
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if isMaxObjectSize(size) {
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writeErrorResponse(w, r, EntityTooLarge, r.URL.Path)
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return
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}
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uploadID := r.URL.Query().Get("uploadId")
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partIDString := r.URL.Query().Get("partNumber")
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var partID int
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{
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var err error
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partID, err = strconv.Atoi(partIDString)
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if err != nil {
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writeErrorResponse(w, r, InvalidPart, r.URL.Path)
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return
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}
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}
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// Set http request for signature.
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auth := api.Signature.SetHTTPRequestToVerify(r)
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// For presigned requests verify right here.
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if isRequestPresignedSignatureV4(r) {
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ok, err := auth.DoesPresignedSignatureMatch()
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if err != nil {
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errorIf(err.Trace(r.URL.String()), "Presigned signature verification failed.", nil)
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writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
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return
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}
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if !ok {
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writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
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return
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}
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// Signature verified, set this to nil payload verification
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// not necessary.
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auth = nil
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}
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calculatedMD5, err := api.Filesystem.CreateObjectPart(bucket, object, uploadID, md5, partID, size, r.Body, auth)
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if err != nil {
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errorIf(err.Trace(), "CreateObjectPart failed.", nil)
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switch err.ToGoError().(type) {
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case fs.RootPathFull:
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writeErrorResponse(w, r, RootPathFull, r.URL.Path)
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case fs.InvalidUploadID:
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writeErrorResponse(w, r, NoSuchUpload, r.URL.Path)
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case fs.BadDigest:
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writeErrorResponse(w, r, BadDigest, r.URL.Path)
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case fs.SignDoesNotMatch:
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writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
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case fs.IncompleteBody:
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writeErrorResponse(w, r, IncompleteBody, r.URL.Path)
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case fs.InvalidDigest:
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writeErrorResponse(w, r, InvalidDigest, r.URL.Path)
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default:
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writeErrorResponse(w, r, InternalError, r.URL.Path)
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}
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return
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}
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if calculatedMD5 != "" {
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w.Header().Set("ETag", "\""+calculatedMD5+"\"")
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}
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writeSuccessResponse(w, nil)
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}
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// AbortMultipartUploadHandler - Abort multipart upload
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func (api storageAPI) AbortMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
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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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if isRequestRequiresACLCheck(r) {
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if api.Filesystem.IsPrivateBucket(bucket) || api.Filesystem.IsReadOnlyBucket(bucket) {
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writeErrorResponse(w, r, AccessDenied, r.URL.Path)
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return
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}
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}
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if !isSignV4ReqAuthenticated(api.Signature, r) {
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writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
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return
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}
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objectResourcesMetadata := getObjectResources(r.URL.Query())
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err := api.Filesystem.AbortMultipartUpload(bucket, object, objectResourcesMetadata.UploadID)
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if err != nil {
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errorIf(err.Trace(), "AbortMutlipartUpload failed.", nil)
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switch err.ToGoError().(type) {
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case fs.BucketNameInvalid:
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writeErrorResponse(w, r, InvalidBucketName, r.URL.Path)
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case fs.BucketNotFound:
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writeErrorResponse(w, r, NoSuchBucket, r.URL.Path)
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case fs.ObjectNotFound:
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writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
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case fs.ObjectNameInvalid:
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writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
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case fs.InvalidUploadID:
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writeErrorResponse(w, r, NoSuchUpload, r.URL.Path)
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default:
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writeErrorResponse(w, r, InternalError, r.URL.Path)
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}
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return
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}
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writeSuccessNoContent(w)
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}
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// ListObjectPartsHandler - List object parts
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func (api storageAPI) ListObjectPartsHandler(w http.ResponseWriter, r *http.Request) {
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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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if isRequestRequiresACLCheck(r) {
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if api.Filesystem.IsPrivateBucket(bucket) || api.Filesystem.IsReadOnlyBucket(bucket) {
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writeErrorResponse(w, r, AccessDenied, r.URL.Path)
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return
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}
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}
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if !isSignV4ReqAuthenticated(api.Signature, r) {
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writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
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return
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}
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objectResourcesMetadata := getObjectResources(r.URL.Query())
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if objectResourcesMetadata.PartNumberMarker < 0 {
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writeErrorResponse(w, r, InvalidPartNumberMarker, r.URL.Path)
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return
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}
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if objectResourcesMetadata.MaxParts < 0 {
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writeErrorResponse(w, r, InvalidMaxParts, r.URL.Path)
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return
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}
|
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if objectResourcesMetadata.MaxParts == 0 {
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objectResourcesMetadata.MaxParts = maxPartsList
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}
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objectResourcesMetadata, err := api.Filesystem.ListObjectParts(bucket, object, objectResourcesMetadata)
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if err != nil {
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errorIf(err.Trace(), "ListObjectParts failed.", nil)
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switch err.ToGoError().(type) {
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case fs.BucketNameInvalid:
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writeErrorResponse(w, r, InvalidBucketName, r.URL.Path)
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case fs.BucketNotFound:
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writeErrorResponse(w, r, NoSuchBucket, r.URL.Path)
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case fs.ObjectNotFound:
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writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
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case fs.ObjectNameInvalid:
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writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
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case fs.InvalidUploadID:
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writeErrorResponse(w, r, NoSuchUpload, r.URL.Path)
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default:
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writeErrorResponse(w, r, InternalError, r.URL.Path)
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}
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return
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}
|
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response := generateListPartsResponse(objectResourcesMetadata)
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encodedSuccessResponse := encodeSuccessResponse(response)
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// write headers.
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setCommonHeaders(w)
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// write success response.
|
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writeSuccessResponse(w, encodedSuccessResponse)
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}
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|
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// CompleteMultipartUploadHandler - Complete multipart upload
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func (api storageAPI) CompleteMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
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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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|
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if isRequestRequiresACLCheck(r) {
|
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if api.Filesystem.IsPrivateBucket(bucket) || api.Filesystem.IsReadOnlyBucket(bucket) {
|
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writeErrorResponse(w, r, AccessDenied, r.URL.Path)
|
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return
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}
|
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}
|
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|
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// Set http request for signature.
|
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auth := api.Signature.SetHTTPRequestToVerify(r)
|
|
// For presigned requests verify right here.
|
|
if isRequestPresignedSignatureV4(r) {
|
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ok, err := auth.DoesPresignedSignatureMatch()
|
|
if err != nil {
|
|
errorIf(err.Trace(r.URL.String()), "Presigned signature verification failed.", nil)
|
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writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
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return
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}
|
|
if !ok {
|
|
writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
|
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return
|
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}
|
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auth = nil
|
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}
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|
|
// Extract object resources.
|
|
objectResourcesMetadata := getObjectResources(r.URL.Query())
|
|
|
|
// Complete multipart upload.
|
|
metadata, err := api.Filesystem.CompleteMultipartUpload(bucket, object, objectResourcesMetadata.UploadID, r.Body, api.Signature)
|
|
if err != nil {
|
|
errorIf(err.Trace(), "CompleteMultipartUpload failed.", nil)
|
|
switch err.ToGoError().(type) {
|
|
case fs.BucketNameInvalid:
|
|
writeErrorResponse(w, r, InvalidBucketName, r.URL.Path)
|
|
case fs.BucketNotFound:
|
|
writeErrorResponse(w, r, NoSuchBucket, r.URL.Path)
|
|
case fs.ObjectNotFound:
|
|
writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
|
|
case fs.ObjectNameInvalid:
|
|
writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
|
|
case fs.InvalidUploadID:
|
|
writeErrorResponse(w, r, NoSuchUpload, r.URL.Path)
|
|
case fs.InvalidPart:
|
|
writeErrorResponse(w, r, InvalidPart, r.URL.Path)
|
|
case fs.InvalidPartOrder:
|
|
writeErrorResponse(w, r, InvalidPartOrder, r.URL.Path)
|
|
case fs.SignDoesNotMatch:
|
|
writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
|
|
case fs.IncompleteBody:
|
|
writeErrorResponse(w, r, IncompleteBody, r.URL.Path)
|
|
case fs.MalformedXML:
|
|
writeErrorResponse(w, r, MalformedXML, r.URL.Path)
|
|
default:
|
|
writeErrorResponse(w, r, InternalError, r.URL.Path)
|
|
}
|
|
return
|
|
}
|
|
response := generateCompleteMultpartUploadResponse(bucket, object, r.URL.String(), metadata.MD5)
|
|
encodedSuccessResponse := encodeSuccessResponse(response)
|
|
// write headers
|
|
setCommonHeaders(w)
|
|
// write success response.
|
|
writeSuccessResponse(w, encodedSuccessResponse)
|
|
}
|
|
|
|
/// Delete storageAPI
|
|
|
|
// DeleteObjectHandler - Delete object
|
|
func (api storageAPI) DeleteObjectHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
object := vars["object"]
|
|
|
|
if isRequestRequiresACLCheck(r) {
|
|
if api.Filesystem.IsPrivateBucket(bucket) || api.Filesystem.IsReadOnlyBucket(bucket) {
|
|
writeErrorResponse(w, r, AccessDenied, r.URL.Path)
|
|
return
|
|
}
|
|
}
|
|
|
|
if !isSignV4ReqAuthenticated(api.Signature, r) {
|
|
writeErrorResponse(w, r, SignatureDoesNotMatch, r.URL.Path)
|
|
return
|
|
}
|
|
|
|
err := api.Filesystem.DeleteObject(bucket, object)
|
|
if err != nil {
|
|
errorIf(err.Trace(), "DeleteObject failed.", nil)
|
|
switch err.ToGoError().(type) {
|
|
case fs.BucketNameInvalid:
|
|
writeErrorResponse(w, r, InvalidBucketName, r.URL.Path)
|
|
case fs.BucketNotFound:
|
|
writeErrorResponse(w, r, NoSuchBucket, r.URL.Path)
|
|
case fs.ObjectNotFound:
|
|
writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
|
|
case fs.ObjectNameInvalid:
|
|
writeErrorResponse(w, r, NoSuchKey, r.URL.Path)
|
|
default:
|
|
writeErrorResponse(w, r, InternalError, r.URL.Path)
|
|
}
|
|
}
|
|
writeSuccessNoContent(w)
|
|
}
|