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Add support for bucket encryption feature (#8890)
- pkg/bucket/encryption provides support for handling bucket encryption configuration - changes under cmd/ provide support for AES256 algorithm only Co-Authored-By: Poorna <poornas@users.noreply.github.com> Co-authored-by: Harshavardhana <harsha@minio.io>
This commit is contained in:
Krishnan Parthasarathi
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GitHub
GitHub
parent
f91c072f61
commit
026265f8f7
180
cmd/bucket-encryption-handlers.go
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180
cmd/bucket-encryption-handlers.go
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/*
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* MinIO Cloud Storage, (C) 2020 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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"encoding/xml"
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"io"
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"net/http"
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"github.com/gorilla/mux"
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"github.com/minio/minio/cmd/logger"
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bucketsse "github.com/minio/minio/pkg/bucket/encryption"
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"github.com/minio/minio/pkg/bucket/policy"
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)
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const (
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// Bucket Encryption configuration file name.
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bucketSSEConfig = "bucket-encryption.xml"
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)
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// PutBucketEncryptionHandler - Stores given bucket encryption configuration
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// https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutBucketEncryption.html
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func (api objectAPIHandlers) PutBucketEncryptionHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "PutBucketEncryption")
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defer logger.AuditLog(w, r, "PutBucketEncryption", mustGetClaimsFromToken(r))
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objAPI := api.ObjectAPI()
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if objAPI == nil {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL, guessIsBrowserReq(r))
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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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if s3Error := checkRequestAuthType(ctx, r, policy.PutBucketEncryptionAction, bucket, ""); s3Error != ErrNone {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL, guessIsBrowserReq(r))
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return
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}
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// Check if bucket exists.
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if _, err := objAPI.GetBucketInfo(ctx, bucket); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
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return
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}
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// PutBucketEncyrption API requires Content-Md5
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if _, ok := r.Header["Content-Md5"]; !ok {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrMissingContentMD5), r.URL, guessIsBrowserReq(r))
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return
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}
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// Parse bucket encryption xml
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encConfig, err := validateBucketSSEConfig(io.LimitReader(r.Body, maxBucketSSEConfigSize))
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if err != nil {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrMalformedXML), r.URL, guessIsBrowserReq(r))
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return
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}
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// Return error if KMS is not initialized
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if GlobalKMS == nil {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrKMSNotConfigured), r.URL, guessIsBrowserReq(r))
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return
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}
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// Store the bucket encryption configuration in the object layer
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if err = objAPI.SetBucketSSEConfig(ctx, bucket, encConfig); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
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return
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}
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// Update the in-memory bucket encryption cache
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globalBucketSSEConfigSys.Set(bucket, *encConfig)
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// Update peer MinIO servers of the updated bucket encryption config
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globalNotificationSys.SetBucketSSEConfig(ctx, bucket, encConfig)
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writeSuccessResponseHeadersOnly(w)
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}
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// GetBucketEncryptionHandler - Returns bucket policy configuration
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// https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetBucketEncryption.html
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func (api objectAPIHandlers) GetBucketEncryptionHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "GetBucketEncryption")
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defer logger.AuditLog(w, r, "GetBucketEncryption", mustGetClaimsFromToken(r))
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objAPI := api.ObjectAPI()
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if objAPI == nil {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL, guessIsBrowserReq(r))
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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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if s3Error := checkRequestAuthType(ctx, r, policy.GetBucketEncryptionAction, bucket, ""); s3Error != ErrNone {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL, guessIsBrowserReq(r))
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return
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}
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// Check if bucket exists
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var err error
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if _, err = objAPI.GetBucketInfo(ctx, bucket); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
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return
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}
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// Fetch bucket encryption configuration from object layer
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var encConfig *bucketsse.BucketSSEConfig
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if encConfig, err = objAPI.GetBucketSSEConfig(ctx, bucket); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
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return
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}
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var encConfigData []byte
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if encConfigData, err = xml.Marshal(encConfig); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
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return
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}
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// Write bucket encryption configuration to client
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writeSuccessResponseXML(w, encConfigData)
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}
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// DeleteBucketEncryptionHandler - Removes bucket encryption configuration
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func (api objectAPIHandlers) DeleteBucketEncryptionHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "DeleteBucketEncryption")
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defer logger.AuditLog(w, r, "DeleteBucketEncryption", mustGetClaimsFromToken(r))
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objAPI := api.ObjectAPI()
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if objAPI == nil {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL, guessIsBrowserReq(r))
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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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if s3Error := checkRequestAuthType(ctx, r, policy.PutBucketEncryptionAction, bucket, ""); s3Error != ErrNone {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL, guessIsBrowserReq(r))
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return
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}
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// Check if bucket exists
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var err error
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if _, err = objAPI.GetBucketInfo(ctx, bucket); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
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return
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}
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// Delete bucket encryption config from object layer
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if err = objAPI.DeleteBucketSSEConfig(ctx, bucket); err != nil {
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writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
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return
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}
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// Remove entry from the in-memory bucket encryption cache
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globalBucketSSEConfigSys.Remove(bucket)
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// Update peer MinIO servers of the updated bucket encryption config
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globalNotificationSys.RemoveBucketSSEConfig(ctx, bucket)
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writeSuccessNoContent(w)
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}
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