minio/cmd/admin-bucket-handlers.go
2021-04-06 12:42:30 -07:00

295 lines
9.2 KiB
Go

/*
* MinIO Cloud Storage, (C) 2020 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/json"
"io"
"io/ioutil"
"net/http"
"github.com/gorilla/mux"
"github.com/minio/minio/cmd/logger"
iampolicy "github.com/minio/minio/pkg/iam/policy"
"github.com/minio/minio/pkg/madmin"
)
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 := 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, guessIsBrowserReq(r))
return
}
if err = globalBucketMetadataSys.Update(bucket, bucketQuotaConfigFile, data); err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
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 := 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 := 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
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
if !update {
target.Arn = globalBucketTargetSys.getRemoteARN(bucket, &target)
}
if target.Arn == "" {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, 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, guessIsBrowserReq(r))
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, guessIsBrowserReq(r))
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 := 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 := 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, guessIsBrowserReq(r))
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, guessIsBrowserReq(r))
return
}
// Write success response.
writeSuccessNoContent(w)
}