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minio/cmd/bucket-lifecycle-handlers.go

171 lines
5.3 KiB

/*
* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"encoding/xml"
"io"
"net/http"
"github.com/gorilla/mux"
xhttp "github.com/minio/minio/cmd/http"
"github.com/minio/minio/cmd/logger"
"github.com/minio/minio/pkg/bucket/lifecycle"
"github.com/minio/minio/pkg/bucket/policy"
)
const (
// Lifecycle configuration file.
bucketLifecycleConfig = "lifecycle.xml"
)
// PutBucketLifecycleHandler - This HTTP handler stores given bucket lifecycle configuration as per
// https://docs.aws.amazon.com/AmazonS3/latest/dev/object-lifecycle-mgmt.html
func (api objectAPIHandlers) PutBucketLifecycleHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "PutBucketLifecycle")
defer logger.AuditLog(w, r, "PutBucketLifecycle", mustGetClaimsFromToken(r))
objAPI := api.ObjectAPI()
if objAPI == nil {
writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL, guessIsBrowserReq(r))
return
}
vars := mux.Vars(r)
bucket := vars["bucket"]
// PutBucketLifecycle always needs a Content-Md5
if _, ok := r.Header[xhttp.ContentMD5]; !ok {
writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrMissingContentMD5), r.URL, guessIsBrowserReq(r))
return
}
if s3Error := checkRequestAuthType(ctx, r, policy.PutBucketLifecycleAction, bucket, ""); s3Error != ErrNone {
writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL, guessIsBrowserReq(r))
return
}
// Check if bucket exists.
if _, err := objAPI.GetBucketInfo(ctx, bucket); err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
return
}
bucketLifecycle, err := lifecycle.ParseLifecycleConfig(io.LimitReader(r.Body, r.ContentLength))
if err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
return
}
// Validate the received bucket policy document
if err = bucketLifecycle.Validate(); err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
return
}
configData, err := xml.Marshal(bucketLifecycle)
if err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
return
}
if err = globalBucketMetadataSys.Update(bucket, bucketLifecycleConfig, configData); err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
return
}
// Success.
writeSuccessResponseHeadersOnly(w)
}
// GetBucketLifecycleHandler - This HTTP handler returns bucket policy configuration.
func (api objectAPIHandlers) GetBucketLifecycleHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "GetBucketLifecycle")
defer logger.AuditLog(w, r, "GetBucketLifecycle", mustGetClaimsFromToken(r))
objAPI := api.ObjectAPI()
if objAPI == nil {
writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL, guessIsBrowserReq(r))
return
}
vars := mux.Vars(r)
bucket := vars["bucket"]
if s3Error := checkRequestAuthType(ctx, r, policy.GetBucketLifecycleAction, bucket, ""); s3Error != ErrNone {
writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL, guessIsBrowserReq(r))
return
}
// Check if bucket exists.
if _, err := objAPI.GetBucketInfo(ctx, bucket); err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
return
}
config, err := globalBucketMetadataSys.GetLifecycleConfig(bucket)
if err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
return
}
configData, err := xml.Marshal(config)
if err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
return
}
// Write lifecycle configuration to client.
writeSuccessResponseXML(w, configData)
}
// DeleteBucketLifecycleHandler - This HTTP handler removes bucket lifecycle configuration.
func (api objectAPIHandlers) DeleteBucketLifecycleHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "DeleteBucketLifecycle")
defer logger.AuditLog(w, r, "DeleteBucketLifecycle", mustGetClaimsFromToken(r))
objAPI := api.ObjectAPI()
if objAPI == nil {
writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL, guessIsBrowserReq(r))
return
}
vars := mux.Vars(r)
bucket := vars["bucket"]
if s3Error := checkRequestAuthType(ctx, r, policy.PutBucketLifecycleAction, bucket, ""); s3Error != ErrNone {
writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL, guessIsBrowserReq(r))
return
}
// Check if bucket exists.
if _, err := objAPI.GetBucketInfo(ctx, bucket); err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
return
}
if err := globalBucketMetadataSys.Update(bucket, bucketLifecycleConfig, nil); err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
return
}
// Success.
writeSuccessNoContent(w)
}