This PR is a continuation from #9586, now the entire parsing logic is fully merged into bucket metadata sub-system, simplify the quota API further by reducing the remove quota handler implementation.
181 lines
5.6 KiB
Go
181 lines
5.6 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2015, 2016, 2017, 2018 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/json"
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"io"
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"net/http"
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humanize "github.com/dustin/go-humanize"
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"github.com/gorilla/mux"
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"github.com/minio/minio/cmd/logger"
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"github.com/minio/minio/pkg/bucket/policy"
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)
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const (
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// As per AWS S3 specification, 20KiB policy JSON data is allowed.
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maxBucketPolicySize = 20 * humanize.KiByte
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// Policy configuration file.
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bucketPolicyConfig = "policy.json"
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)
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// PutBucketPolicyHandler - This HTTP handler stores given bucket policy configuration as per
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// https://docs.aws.amazon.com/AmazonS3/latest/dev/access-policy-language-overview.html
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func (api objectAPIHandlers) PutBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "PutBucketPolicy")
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defer logger.AuditLog(w, r, "PutBucketPolicy", 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.PutBucketPolicyAction, 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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// Error out if Content-Length is missing.
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// PutBucketPolicy always needs Content-Length.
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if r.ContentLength <= 0 {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrMissingContentLength), r.URL, guessIsBrowserReq(r))
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return
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}
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// Error out if Content-Length is beyond allowed size.
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if r.ContentLength > maxBucketPolicySize {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPolicyTooLarge), r.URL, guessIsBrowserReq(r))
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return
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}
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bucketPolicy, err := policy.ParseConfig(io.LimitReader(r.Body, r.ContentLength), bucket)
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if 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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// Version in policy must not be empty
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if bucketPolicy.Version == "" {
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writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrMalformedPolicy), r.URL, guessIsBrowserReq(r))
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return
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}
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configData, err := json.Marshal(bucketPolicy)
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if 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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if err = globalBucketMetadataSys.Update(bucket, bucketPolicyConfig, configData); 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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// Success.
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writeSuccessNoContent(w)
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}
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// DeleteBucketPolicyHandler - This HTTP handler removes bucket policy configuration.
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func (api objectAPIHandlers) DeleteBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "DeleteBucketPolicy")
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defer logger.AuditLog(w, r, "DeleteBucketPolicy", 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.DeleteBucketPolicyAction, 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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if err := globalBucketMetadataSys.Update(bucket, bucketPolicyConfig, nil); 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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// Success.
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writeSuccessNoContent(w)
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}
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// GetBucketPolicyHandler - This HTTP handler returns bucket policy configuration.
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func (api objectAPIHandlers) GetBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "GetBucketPolicy")
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defer logger.AuditLog(w, r, "GetBucketPolicy", 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.GetBucketPolicyAction, 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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// Read bucket access policy.
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config, err := globalBucketMetadataSys.GetPolicyConfig(bucket)
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if 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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configData, err := json.Marshal(config)
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if 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 to client.
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writeSuccessResponseJSON(w, configData)
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}
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