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704 lines
21 KiB
704 lines
21 KiB
8 years ago
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/*
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* Minio Cloud Storage, (C) 2017 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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"bytes"
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"io"
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"io/ioutil"
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"net/http"
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"encoding/json"
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"encoding/xml"
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router "github.com/gorilla/mux"
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"github.com/minio/minio-go/pkg/policy"
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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 gatewayAPIHandlers) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
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var object, bucket string
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vars := router.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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reqAuthType := getRequestAuthType(r)
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switch reqAuthType {
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case authTypePresignedV2, authTypeSignedV2:
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// Signature V2 validation.
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s3Error := isReqAuthenticatedV2(r)
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if s3Error != ErrNone {
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errorIf(errSignatureMismatch, dumpRequest(r))
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writeErrorResponse(w, s3Error, r.URL)
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return
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}
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case authTypeSigned, authTypePresigned:
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s3Error := isReqAuthenticated(r, serverConfig.GetRegion())
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if s3Error != ErrNone {
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errorIf(errSignatureMismatch, dumpRequest(r))
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writeErrorResponse(w, s3Error, r.URL)
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return
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}
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}
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getObjectInfo := objectAPI.GetObjectInfo
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if reqAuthType == authTypeAnonymous {
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getObjectInfo = objectAPI.AnonGetObjectInfo
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}
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objInfo, err := getObjectInfo(bucket, object)
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if err != nil {
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errorIf(err, "Unable to fetch object info.")
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apiErr := toAPIErrorCode(err)
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if apiErr == ErrNoSuchKey {
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apiErr = errAllowableObjectNotFound(bucket, r)
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}
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writeErrorResponse(w, apiErr, r.URL)
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return
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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")
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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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errorIf(err, "Invalid request range")
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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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// Indicates if any data was written to the http.ResponseWriter
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dataWritten := false
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// io.Writer type which keeps track if any data was written.
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writer := funcToWriter(func(p []byte) (int, error) {
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if !dataWritten {
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// Set headers on the first write.
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// Set standard object headers.
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setObjectHeaders(w, objInfo, hrange)
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// Set any additional requested response headers.
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setGetRespHeaders(w, r.URL.Query())
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dataWritten = true
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}
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return w.Write(p)
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})
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getObject := objectAPI.GetObject
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if reqAuthType == authTypeAnonymous {
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getObject = objectAPI.AnonGetObject
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}
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// Reads the object at startOffset and writes to mw.
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if err := getObject(bucket, object, startOffset, length, writer); err != nil {
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errorIf(err, "Unable to write to client.")
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if !dataWritten {
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// Error response only if no data has been written to client yet. i.e if
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// partial data has already been written before an error
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// occurred then no point in setting StatusCode and
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// sending error XML.
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writeErrorResponse(w, toAPIErrorCode(err), r.URL)
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}
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return
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}
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if !dataWritten {
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// If ObjectAPI.GetObject did not return error and no data has
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// been written it would mean that it is a 0-byte object.
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// call wrter.Write(nil) to set appropriate headers.
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writer.Write(nil)
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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 gatewayAPIHandlers) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
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var object, bucket string
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vars := router.Vars(r)
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bucket = vars["bucket"]
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object = vars["object"]
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objectAPI := api.ObjectAPI()
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if objectAPI == nil {
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writeErrorResponseHeadersOnly(w, ErrServerNotInitialized)
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return
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}
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reqAuthType := getRequestAuthType(r)
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switch reqAuthType {
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case authTypePresignedV2, authTypeSignedV2:
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// Signature V2 validation.
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s3Error := isReqAuthenticatedV2(r)
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if s3Error != ErrNone {
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errorIf(errSignatureMismatch, dumpRequest(r))
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writeErrorResponse(w, s3Error, r.URL)
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return
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}
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case authTypeSigned, authTypePresigned:
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s3Error := isReqAuthenticated(r, serverConfig.GetRegion())
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if s3Error != ErrNone {
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errorIf(errSignatureMismatch, dumpRequest(r))
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writeErrorResponse(w, s3Error, r.URL)
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return
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}
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}
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getObjectInfo := objectAPI.GetObjectInfo
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if reqAuthType == authTypeAnonymous {
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getObjectInfo = objectAPI.AnonGetObjectInfo
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}
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objInfo, err := getObjectInfo(bucket, object)
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if err != nil {
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errorIf(err, "Unable to fetch object info.")
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apiErr := toAPIErrorCode(err)
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if apiErr == ErrNoSuchKey {
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apiErr = errAllowableObjectNotFound(bucket, r)
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}
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writeErrorResponse(w, apiErr, r.URL)
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return
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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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// Set standard object headers.
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setObjectHeaders(w, objInfo, nil)
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// Successful response.
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w.WriteHeader(http.StatusOK)
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}
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// DeleteMultipleObjectsHandler - deletes multiple objects.
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func (api gatewayAPIHandlers) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Request) {
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vars := router.Vars(r)
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bucket := vars["bucket"]
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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 s3Error := checkRequestAuthType(r, bucket, "s3:DeleteObject", serverConfig.GetRegion()); s3Error != ErrNone {
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writeErrorResponse(w, s3Error, r.URL)
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return
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}
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// Content-Length is required and should be non-zero
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// http://docs.aws.amazon.com/AmazonS3/latest/API/multiobjectdeleteapi.html
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if r.ContentLength <= 0 {
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writeErrorResponse(w, ErrMissingContentLength, r.URL)
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return
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}
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// Content-Md5 is requied should be set
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// http://docs.aws.amazon.com/AmazonS3/latest/API/multiobjectdeleteapi.html
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if _, ok := r.Header["Content-Md5"]; !ok {
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writeErrorResponse(w, ErrMissingContentMD5, r.URL)
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return
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}
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// Allocate incoming content length bytes.
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deleteXMLBytes := make([]byte, r.ContentLength)
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// Read incoming body XML bytes.
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if _, err := io.ReadFull(r.Body, deleteXMLBytes); err != nil {
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errorIf(err, "Unable to read HTTP body.")
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writeErrorResponse(w, ErrInternalError, r.URL)
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return
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}
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// Unmarshal list of keys to be deleted.
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deleteObjects := &DeleteObjectsRequest{}
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if err := xml.Unmarshal(deleteXMLBytes, deleteObjects); err != nil {
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errorIf(err, "Unable to unmarshal delete objects request XML.")
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writeErrorResponse(w, ErrMalformedXML, r.URL)
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return
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}
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var dErrs = make([]error, len(deleteObjects.Objects))
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// Delete all requested objects in parallel.
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for index, object := range deleteObjects.Objects {
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dErr := objectAPI.DeleteObject(bucket, object.ObjectName)
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if dErr != nil {
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dErrs[index] = dErr
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}
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}
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// Collect deleted objects and errors if any.
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var deletedObjects []ObjectIdentifier
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var deleteErrors []DeleteError
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for index, err := range dErrs {
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object := deleteObjects.Objects[index]
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// Success deleted objects are collected separately.
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if err == nil {
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deletedObjects = append(deletedObjects, object)
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continue
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}
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if _, ok := errorCause(err).(ObjectNotFound); ok {
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// If the object is not found it should be
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// accounted as deleted as per S3 spec.
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deletedObjects = append(deletedObjects, object)
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continue
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}
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errorIf(err, "Unable to delete object. %s", object.ObjectName)
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// Error during delete should be collected separately.
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deleteErrors = append(deleteErrors, DeleteError{
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Code: errorCodeResponse[toAPIErrorCode(err)].Code,
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Message: errorCodeResponse[toAPIErrorCode(err)].Description,
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Key: object.ObjectName,
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})
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}
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// Generate response
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response := generateMultiDeleteResponse(deleteObjects.Quiet, deletedObjects, deleteErrors)
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encodedSuccessResponse := encodeResponse(response)
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// Write success response.
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writeSuccessResponseXML(w, encodedSuccessResponse)
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}
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// PutBucketPolicyHandler - PUT Bucket policy
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// -----------------
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// This implementation of the PUT operation uses the policy
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// subresource to add to or replace a policy on a bucket
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func (api gatewayAPIHandlers) PutBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
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objAPI := api.ObjectAPI()
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if objAPI == nil {
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writeErrorResponse(w, ErrServerNotInitialized, r.URL)
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return
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}
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if s3Error := checkRequestAuthType(r, "", "", serverConfig.GetRegion()); s3Error != ErrNone {
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writeErrorResponse(w, s3Error, r.URL)
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return
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}
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vars := router.Vars(r)
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bucket := vars["bucket"]
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// Before proceeding validate if bucket exists.
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_, err := objAPI.GetBucketInfo(bucket)
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if err != nil {
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errorIf(err, "Unable to find bucket info.")
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writeErrorResponse(w, toAPIErrorCode(err), r.URL)
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return
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}
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// If Content-Length is unknown or zero, deny the
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// request. PutBucketPolicy always needs a Content-Length.
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if r.ContentLength == -1 || r.ContentLength == 0 {
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writeErrorResponse(w, ErrMissingContentLength, r.URL)
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return
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}
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// If Content-Length is greater than maximum allowed policy size.
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if r.ContentLength > maxAccessPolicySize {
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writeErrorResponse(w, ErrEntityTooLarge, r.URL)
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return
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}
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// Read access policy up to maxAccessPolicySize.
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// http://docs.aws.amazon.com/AmazonS3/latest/dev/access-policy-language-overview.html
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// bucket policies are limited to 20KB in size, using a limit reader.
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policyBytes, err := ioutil.ReadAll(io.LimitReader(r.Body, maxAccessPolicySize))
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if err != nil {
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errorIf(err, "Unable to read from client.")
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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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// FIXME: consolidate bucketPolicy and policy.BucketAccessPolicy so that
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// the verification below is done on the same type.
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// Parse bucket policy.
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policyInfo := &bucketPolicy{}
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err = parseBucketPolicy(bytes.NewReader(policyBytes), policyInfo)
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if err != nil {
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errorIf(err, "Unable to parse bucket policy.")
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writeErrorResponse(w, ErrInvalidPolicyDocument, r.URL)
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return
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}
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// Parse check bucket policy.
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if s3Error := checkBucketPolicyResources(bucket, policyInfo); s3Error != ErrNone {
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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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policyInfo := &policy.BucketAccessPolicy{}
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if err = json.Unmarshal(policyBytes, policyInfo); 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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var policies []BucketAccessPolicy
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||
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for prefix, policy := range policy.GetPolicies(policyInfo.Statements, bucket) {
|
||
|
|
policies = append(policies, BucketAccessPolicy{
|
||
|
|
Prefix: prefix,
|
||
|
|
Policy: policy,
|
||
|
|
})
|
||
|
|
}
|
||
|
|
if err = objAPI.SetBucketPolicies(bucket, policies); err != nil {
|
||
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
// Success.
|
||
|
|
writeSuccessNoContent(w)
|
||
|
|
}
|
||
|
|
|
||
|
|
// DeleteBucketPolicyHandler - DELETE Bucket policy
|
||
|
|
// -----------------
|
||
|
|
// This implementation of the DELETE operation uses the policy
|
||
|
|
// subresource to add to remove a policy on a bucket.
|
||
|
|
func (api gatewayAPIHandlers) DeleteBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
|
||
|
|
objAPI := api.ObjectAPI()
|
||
|
|
if objAPI == nil {
|
||
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
if s3Error := checkRequestAuthType(r, "", "", serverConfig.GetRegion()); s3Error != ErrNone {
|
||
|
|
writeErrorResponse(w, s3Error, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
vars := router.Vars(r)
|
||
|
|
bucket := vars["bucket"]
|
||
|
|
|
||
|
|
// Before proceeding validate if bucket exists.
|
||
|
|
_, err := objAPI.GetBucketInfo(bucket)
|
||
|
|
if err != nil {
|
||
|
|
errorIf(err, "Unable to find bucket info.")
|
||
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
// Delete bucket access policy, by passing an empty policy
|
||
|
|
// struct.
|
||
|
|
objAPI.DeleteBucketPolicies(bucket)
|
||
|
|
// Success.
|
||
|
|
writeSuccessNoContent(w)
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetBucketPolicyHandler - GET Bucket policy
|
||
|
|
// -----------------
|
||
|
|
// This operation uses the policy
|
||
|
|
// subresource to return the policy of a specified bucket.
|
||
|
|
func (api gatewayAPIHandlers) GetBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
|
||
|
|
objAPI := api.ObjectAPI()
|
||
|
|
if objAPI == nil {
|
||
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
if s3Error := checkRequestAuthType(r, "", "", serverConfig.GetRegion()); s3Error != ErrNone {
|
||
|
|
writeErrorResponse(w, s3Error, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
vars := router.Vars(r)
|
||
|
|
bucket := vars["bucket"]
|
||
|
|
|
||
|
|
// Before proceeding validate if bucket exists.
|
||
|
|
_, err := objAPI.GetBucketInfo(bucket)
|
||
|
|
if err != nil {
|
||
|
|
errorIf(err, "Unable to find bucket info.")
|
||
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
policies, err := objAPI.GetBucketPolicies(bucket)
|
||
|
|
if err != nil {
|
||
|
|
errorIf(err, "Unable to read bucket policy.")
|
||
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
policyInfo := policy.BucketAccessPolicy{Version: "2012-10-17"}
|
||
|
|
for _, p := range policies {
|
||
|
|
policyInfo.Statements = policy.SetPolicy(policyInfo.Statements, p.Policy, bucket, p.Prefix)
|
||
|
|
}
|
||
|
|
policyBytes, err := json.Marshal(&policyInfo)
|
||
|
|
if err != nil {
|
||
|
|
errorIf(err, "Unable to read bucket policy.")
|
||
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
// Write to client.
|
||
|
|
w.Write(policyBytes)
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetBucketNotificationHandler - This implementation of the GET
|
||
|
|
// operation uses the notification subresource to return the
|
||
|
|
// notification configuration of a bucket. If notifications are
|
||
|
|
// not enabled on the bucket, the operation returns an empty
|
||
|
|
// NotificationConfiguration element.
|
||
|
|
func (api gatewayAPIHandlers) GetBucketNotificationHandler(w http.ResponseWriter, r *http.Request) {
|
||
|
|
writeErrorResponse(w, ErrNotImplemented, r.URL)
|
||
|
|
}
|
||
|
|
|
||
|
|
// PutBucketNotificationHandler - Minio notification feature enables
|
||
|
|
// you to receive notifications when certain events happen in your bucket.
|
||
|
|
// Using this API, you can replace an existing notification configuration.
|
||
|
|
// The configuration is an XML file that defines the event types that you
|
||
|
|
// want Minio to publish and the destination where you want Minio to publish
|
||
|
|
// an event notification when it detects an event of the specified type.
|
||
|
|
// By default, your bucket has no event notifications configured. That is,
|
||
|
|
// the notification configuration will be an empty NotificationConfiguration.
|
||
|
|
func (api gatewayAPIHandlers) PutBucketNotificationHandler(w http.ResponseWriter, r *http.Request) {
|
||
|
|
writeErrorResponse(w, ErrNotImplemented, r.URL)
|
||
|
|
}
|
||
|
|
|
||
|
|
// ListenBucketNotificationHandler - list bucket notifications.
|
||
|
|
func (api gatewayAPIHandlers) ListenBucketNotificationHandler(w http.ResponseWriter, r *http.Request) {
|
||
|
|
writeErrorResponse(w, ErrNotImplemented, r.URL)
|
||
|
|
}
|
||
|
|
|
||
|
|
// DeleteBucketHandler - Delete bucket
|
||
|
|
func (api gatewayAPIHandlers) DeleteBucketHandler(w http.ResponseWriter, r *http.Request) {
|
||
|
|
objectAPI := api.ObjectAPI()
|
||
|
|
if objectAPI == nil {
|
||
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
// DeleteBucket does not have any bucket action.
|
||
|
|
if s3Error := checkRequestAuthType(r, "", "", serverConfig.GetRegion()); s3Error != ErrNone {
|
||
|
|
writeErrorResponse(w, s3Error, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
vars := router.Vars(r)
|
||
|
|
bucket := vars["bucket"]
|
||
|
|
|
||
|
|
// Attempt to delete bucket.
|
||
|
|
if err := objectAPI.DeleteBucket(bucket); err != nil {
|
||
|
|
errorIf(err, "Unable to delete a bucket.")
|
||
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
// Write success response.
|
||
|
|
writeSuccessNoContent(w)
|
||
|
|
}
|
||
|
|
|
||
|
|
// ListObjectsV1Handler - GET Bucket (List Objects) Version 1.
|
||
|
|
// --------------------------
|
||
|
|
// This implementation of the GET operation returns some or all (up to 1000)
|
||
|
|
// of the objects in a bucket. You can use the request parameters as selection
|
||
|
|
// criteria to return a subset of the objects in a bucket.
|
||
|
|
//
|
||
|
|
func (api gatewayAPIHandlers) ListObjectsV1Handler(w http.ResponseWriter, r *http.Request) {
|
||
|
|
vars := router.Vars(r)
|
||
|
|
bucket := vars["bucket"]
|
||
|
|
|
||
|
|
objectAPI := api.ObjectAPI()
|
||
|
|
if objectAPI == nil {
|
||
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
reqAuthType := getRequestAuthType(r)
|
||
|
|
|
||
|
|
switch reqAuthType {
|
||
|
|
case authTypePresignedV2, authTypeSignedV2:
|
||
|
|
// Signature V2 validation.
|
||
|
|
s3Error := isReqAuthenticatedV2(r)
|
||
|
|
if s3Error != ErrNone {
|
||
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
||
|
|
writeErrorResponse(w, s3Error, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
case authTypeSigned, authTypePresigned:
|
||
|
|
s3Error := isReqAuthenticated(r, serverConfig.GetRegion())
|
||
|
|
if s3Error != ErrNone {
|
||
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
||
|
|
writeErrorResponse(w, s3Error, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Extract all the litsObjectsV1 query params to their native values.
|
||
|
|
prefix, marker, delimiter, maxKeys, _ := getListObjectsV1Args(r.URL.Query())
|
||
|
|
|
||
|
|
// Validate all the query params before beginning to serve the request.
|
||
|
|
if s3Error := validateListObjectsArgs(prefix, marker, delimiter, maxKeys); s3Error != ErrNone {
|
||
|
|
writeErrorResponse(w, s3Error, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
listObjects := objectAPI.ListObjects
|
||
|
|
if reqAuthType == authTypeAnonymous {
|
||
|
|
listObjects = objectAPI.AnonListObjects
|
||
|
|
}
|
||
|
|
// Inititate a list objects operation based on the input params.
|
||
|
|
// On success would return back ListObjectsInfo object to be
|
||
|
|
// marshalled into S3 compatible XML header.
|
||
|
|
listObjectsInfo, err := listObjects(bucket, prefix, marker, delimiter, maxKeys)
|
||
|
|
if err != nil {
|
||
|
|
errorIf(err, "Unable to list objects.")
|
||
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
response := generateListObjectsV1Response(bucket, prefix, marker, delimiter, maxKeys, listObjectsInfo)
|
||
|
|
|
||
|
|
// Write success response.
|
||
|
|
writeSuccessResponseXML(w, encodeResponse(response))
|
||
|
|
}
|
||
|
|
|
||
|
|
// HeadBucketHandler - HEAD Bucket
|
||
|
|
// ----------
|
||
|
|
// This operation is useful to determine if a bucket exists.
|
||
|
|
// The operation returns a 200 OK if the bucket exists and you
|
||
|
|
// have permission to access it. Otherwise, the operation might
|
||
|
|
// return responses such as 404 Not Found and 403 Forbidden.
|
||
|
|
func (api gatewayAPIHandlers) HeadBucketHandler(w http.ResponseWriter, r *http.Request) {
|
||
|
|
vars := router.Vars(r)
|
||
|
|
bucket := vars["bucket"]
|
||
|
|
|
||
|
|
objectAPI := api.ObjectAPI()
|
||
|
|
if objectAPI == nil {
|
||
|
|
writeErrorResponseHeadersOnly(w, ErrServerNotInitialized)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
reqAuthType := getRequestAuthType(r)
|
||
|
|
|
||
|
|
switch reqAuthType {
|
||
|
|
case authTypePresignedV2, authTypeSignedV2:
|
||
|
|
// Signature V2 validation.
|
||
|
|
s3Error := isReqAuthenticatedV2(r)
|
||
|
|
if s3Error != ErrNone {
|
||
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
||
|
|
writeErrorResponse(w, s3Error, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
case authTypeSigned, authTypePresigned:
|
||
|
|
s3Error := isReqAuthenticated(r, serverConfig.GetRegion())
|
||
|
|
if s3Error != ErrNone {
|
||
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
||
|
|
writeErrorResponse(w, s3Error, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
getBucketInfo := objectAPI.GetBucketInfo
|
||
|
|
if reqAuthType == authTypeAnonymous {
|
||
|
|
getBucketInfo = objectAPI.AnonGetBucketInfo
|
||
|
|
}
|
||
|
|
|
||
|
|
if _, err := getBucketInfo(bucket); err != nil {
|
||
|
|
errorIf(err, "Unable to fetch bucket info.")
|
||
|
|
writeErrorResponseHeadersOnly(w, toAPIErrorCode(err))
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
writeSuccessResponseHeadersOnly(w)
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetBucketLocationHandler - GET Bucket location.
|
||
|
|
// -------------------------
|
||
|
|
// This operation returns bucket location.
|
||
|
|
func (api gatewayAPIHandlers) GetBucketLocationHandler(w http.ResponseWriter, r *http.Request) {
|
||
|
|
vars := router.Vars(r)
|
||
|
|
bucket := vars["bucket"]
|
||
|
|
|
||
|
|
objectAPI := api.ObjectAPI()
|
||
|
|
if objectAPI == nil {
|
||
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
reqAuthType := getRequestAuthType(r)
|
||
|
|
|
||
|
|
switch reqAuthType {
|
||
|
|
case authTypePresignedV2, authTypeSignedV2:
|
||
|
|
// Signature V2 validation.
|
||
|
|
s3Error := isReqAuthenticatedV2(r)
|
||
|
|
if s3Error != ErrNone {
|
||
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
||
|
|
writeErrorResponse(w, s3Error, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
case authTypeSigned, authTypePresigned:
|
||
|
|
s3Error := isReqAuthenticated(r, globalMinioDefaultRegion)
|
||
|
|
if s3Error == ErrInvalidRegion {
|
||
|
|
// Clients like boto3 send getBucketLocation() call signed with region that is configured.
|
||
|
|
s3Error = isReqAuthenticated(r, serverConfig.GetRegion())
|
||
|
|
}
|
||
|
|
if s3Error != ErrNone {
|
||
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
||
|
|
writeErrorResponse(w, s3Error, r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
getBucketInfo := objectAPI.GetBucketInfo
|
||
|
|
if reqAuthType == authTypeAnonymous {
|
||
|
|
getBucketInfo = objectAPI.AnonGetBucketInfo
|
||
|
|
}
|
||
|
|
|
||
|
|
if _, err := getBucketInfo(bucket); err != nil {
|
||
|
|
errorIf(err, "Unable to fetch bucket info.")
|
||
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
// Generate response.
|
||
|
|
encodedSuccessResponse := encodeResponse(LocationResponse{})
|
||
|
|
// Get current region.
|
||
|
|
region := serverConfig.GetRegion()
|
||
|
|
if region != globalMinioDefaultRegion {
|
||
|
|
encodedSuccessResponse = encodeResponse(LocationResponse{
|
||
|
|
Location: region,
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
// Write success response.
|
||
|
|
writeSuccessResponseXML(w, encodedSuccessResponse)
|
||
|
|
}
|