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9b3b04ecec
We should allow quorum errors to be send upwards such that caller can retry while reading bucket encryption/policy configs when server is starting up, this allows distributed setups to load the configuration properly. Current code didn't facilitate this and would have never loaded the actual configs during rolling, server restarts.
189 lines
6.1 KiB
Go
189 lines
6.1 KiB
Go
/*
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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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"fmt"
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"io"
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"net/http"
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"github.com/gorilla/mux"
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xhttp "github.com/minio/minio/cmd/http"
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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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// PutBucketEncyrption API requires Content-Md5
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if _, ok := r.Header[xhttp.ContentMD5]; !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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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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// 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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apiErr := APIError{
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Code: "MalformedXML",
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Description: fmt.Sprintf("%s (%s)", errorCodes[ErrMalformedXML].Description, err),
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HTTPStatusCode: errorCodes[ErrMalformedXML].HTTPStatusCode,
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}
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writeErrorResponse(ctx, w, apiErr, 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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