minio/cmd/admin-bucket-handlers.go

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// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"encoding/json"
"io"
"io/ioutil"
"net/http"
"github.com/gorilla/mux"
jsoniter "github.com/json-iterator/go"
"github.com/minio/madmin-go"
"github.com/minio/minio/internal/logger"
iampolicy "github.com/minio/pkg/iam/policy"
)
const (
bucketQuotaConfigFile = "quota.json"
bucketTargetsFile = "bucket-targets.json"
)
// PutBucketQuotaConfigHandler - PUT Bucket quota configuration.
// ----------
// Places a quota configuration on the specified bucket. The quota
// specified in the quota configuration will be applied by default
// to enforce total quota for the specified bucket.
func (a adminAPIHandlers) PutBucketQuotaConfigHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "PutBucketQuotaConfig")
defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
objectAPI, _ := validateAdminReq(ctx, w, r, iampolicy.SetBucketQuotaAdminAction)
if objectAPI == nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
return
}
vars := mux.Vars(r)
bucket := pathClean(vars["bucket"])
if _, err := objectAPI.GetBucketInfo(ctx, bucket); err != nil {
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
return
}
data, err := ioutil.ReadAll(r.Body)
if err != nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
return
}
if _, err = parseBucketQuota(bucket, data); err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
return
}
if err = globalBucketMetadataSys.Update(bucket, bucketQuotaConfigFile, data); err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
return
}
// Write success response.
writeSuccessResponseHeadersOnly(w)
}
// GetBucketQuotaConfigHandler - gets bucket quota configuration
func (a adminAPIHandlers) GetBucketQuotaConfigHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "GetBucketQuotaConfig")
defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.GetBucketQuotaAdminAction)
if objectAPI == nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
return
}
vars := mux.Vars(r)
bucket := pathClean(vars["bucket"])
if _, err := objectAPI.GetBucketInfo(ctx, bucket); err != nil {
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
return
}
config, err := globalBucketMetadataSys.GetQuotaConfig(bucket)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
configData, err := json.Marshal(config)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
// Write success response.
writeSuccessResponseJSON(w, configData)
}
// SetRemoteTargetHandler - sets a remote target for bucket
func (a adminAPIHandlers) SetRemoteTargetHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "SetBucketTarget")
defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
vars := mux.Vars(r)
bucket := pathClean(vars["bucket"])
update := r.URL.Query().Get("update") == "true"
if !globalIsErasure {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
return
}
// Get current object layer instance.
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.SetBucketTargetAction)
if objectAPI == nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
return
}
// Check if bucket exists.
if _, err := objectAPI.GetBucketInfo(ctx, bucket); err != nil {
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
return
}
cred, _, _, s3Err := validateAdminSignature(ctx, r, "")
if s3Err != ErrNone {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(s3Err), r.URL)
return
}
password := cred.SecretKey
reqBytes, err := madmin.DecryptData(password, io.LimitReader(r.Body, r.ContentLength))
if err != nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL)
return
}
var target madmin.BucketTarget
var json = jsoniter.ConfigCompatibleWithStandardLibrary
if err = json.Unmarshal(reqBytes, &target); err != nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL)
return
}
sameTarget, _ := isLocalHost(target.URL().Hostname(), target.URL().Port(), globalMinioPort)
if sameTarget && bucket == target.TargetBucket {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrBucketRemoteIdenticalToSource), r.URL)
return
}
target.SourceBucket = bucket
var ops []madmin.TargetUpdateType
if update {
ops = madmin.GetTargetUpdateOps(r.URL.Query())
} else {
target.Arn = globalBucketTargetSys.getRemoteARN(bucket, &target)
}
if target.Arn == "" {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL)
return
}
if update {
// overlay the updates on existing target
tgt := globalBucketTargetSys.GetRemoteBucketTargetByArn(ctx, bucket, target.Arn)
if tgt.Empty() {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrRemoteTargetNotFoundError, err), r.URL)
return
}
for _, op := range ops {
switch op {
case madmin.CredentialsUpdateType:
tgt.Credentials = target.Credentials
tgt.TargetBucket = target.TargetBucket
tgt.Secure = target.Secure
tgt.Endpoint = target.Endpoint
case madmin.SyncUpdateType:
tgt.ReplicationSync = target.ReplicationSync
case madmin.ProxyUpdateType:
tgt.DisableProxy = target.DisableProxy
case madmin.PathUpdateType:
tgt.Path = target.Path
case madmin.BandwidthLimitUpdateType:
tgt.BandwidthLimit = target.BandwidthLimit
case madmin.HealthCheckDurationUpdateType:
tgt.HealthCheckDuration = target.HealthCheckDuration
}
}
target = tgt
}
// enforce minimum bandwidth limit as 100MBps
if target.BandwidthLimit > 0 && target.BandwidthLimit < 100*1000*1000 {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrReplicationBandwidthLimitError, err), r.URL)
return
}
if err = globalBucketTargetSys.SetTarget(ctx, bucket, &target, update); err != nil {
switch err.(type) {
case BucketRemoteConnectionErr:
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrReplicationRemoteConnectionError, err), r.URL)
default:
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
}
return
}
targets, err := globalBucketTargetSys.ListBucketTargets(ctx, bucket)
if err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
return
}
tgtBytes, err := json.Marshal(&targets)
if err != nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL)
return
}
if err = globalBucketMetadataSys.Update(bucket, bucketTargetsFile, tgtBytes); err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
return
}
data, err := json.Marshal(target.Arn)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
// Write success response.
writeSuccessResponseJSON(w, data)
}
// ListRemoteTargetsHandler - lists remote target(s) for a bucket or gets a target
// for a particular ARN type
func (a adminAPIHandlers) ListRemoteTargetsHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "ListBucketTargets")
defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
vars := mux.Vars(r)
bucket := pathClean(vars["bucket"])
arnType := vars["type"]
if !globalIsErasure {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
return
}
// Get current object layer instance.
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.GetBucketTargetAction)
if objectAPI == nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
return
}
if bucket != "" {
// Check if bucket exists.
if _, err := objectAPI.GetBucketInfo(ctx, bucket); err != nil {
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
return
}
if _, err := globalBucketMetadataSys.GetBucketTargetsConfig(bucket); err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
}
targets := globalBucketTargetSys.ListTargets(ctx, bucket, arnType)
data, err := json.Marshal(targets)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
// Write success response.
writeSuccessResponseJSON(w, data)
}
// RemoveRemoteTargetHandler - removes a remote target for bucket with specified ARN
func (a adminAPIHandlers) RemoveRemoteTargetHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "RemoveBucketTarget")
defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
vars := mux.Vars(r)
bucket := pathClean(vars["bucket"])
arn := vars["arn"]
if !globalIsErasure {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
return
}
// Get current object layer instance.
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.SetBucketTargetAction)
if objectAPI == nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
return
}
// Check if bucket exists.
if _, err := objectAPI.GetBucketInfo(ctx, bucket); err != nil {
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
return
}
if err := globalBucketTargetSys.RemoveTarget(ctx, bucket, arn); err != nil {
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
return
}
targets, err := globalBucketTargetSys.ListBucketTargets(ctx, bucket)
if err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
return
}
tgtBytes, err := json.Marshal(&targets)
if err != nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL)
return
}
if err = globalBucketMetadataSys.Update(bucket, bucketTargetsFile, tgtBytes); err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
return
}
// Write success response.
writeSuccessNoContent(w)
}