79 lines
2.4 KiB
Go
79 lines
2.4 KiB
Go
// Copyright 2023 Versity Software
|
|
// This file is 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 controllers
|
|
|
|
import (
|
|
"github.com/gofiber/fiber/v3"
|
|
"github.com/versity/versitygw/auth"
|
|
"github.com/versity/versitygw/s3api/utils"
|
|
"github.com/versity/versitygw/s3response"
|
|
)
|
|
|
|
func (c S3ApiController) ListBuckets(ctx fiber.Ctx) (*Response, error) {
|
|
cToken := ctx.Query("continuation-token")
|
|
prefix := ctx.Query("prefix")
|
|
maxBucketsStr := ctx.Query("max-buckets")
|
|
acct := utils.ContextKeyAccount.Get(ctx).(auth.Account)
|
|
isRoot, _ := utils.ContextKeyIsRoot.Get(ctx).(bool)
|
|
|
|
if err := auth.VerifyListAllMyBucketsAccess(ctx, c.iam, isRoot, acct); err != nil {
|
|
return &Response{
|
|
MetaOpts: &MetaOptions{},
|
|
}, err
|
|
}
|
|
|
|
owner, listAll := acct.Access, acct.Role == auth.RoleAdmin
|
|
// A backend that fixes bucket ownership leaves no per-caller subset to
|
|
// narrow the listing to, so every caller lists every bucket, the way an
|
|
// AWS account's users do. What they may then do with one stays an IAM
|
|
// policy decision, made per request.
|
|
if fixedOwner, fixed := auth.ResolveFixedBucketOwner(c.iam); fixed {
|
|
owner, listAll = fixedOwner.Access, true
|
|
}
|
|
|
|
region, ok := utils.ContextKeyRegion.Get(ctx).(string)
|
|
if !ok {
|
|
region = defaultRegion
|
|
}
|
|
|
|
maxBuckets, err := utils.ParseMaxLimiter(maxBucketsStr, utils.LimiterTypeMaxBuckets)
|
|
if err != nil {
|
|
return &Response{
|
|
MetaOpts: &MetaOptions{},
|
|
}, err
|
|
}
|
|
|
|
// IsAdmin is the backends' "return every bucket, unfiltered" flag.
|
|
res, err := c.be.ListBuckets(ctx.RequestCtx(),
|
|
s3response.ListBucketsInput{
|
|
Owner: owner,
|
|
IsAdmin: listAll,
|
|
MaxBuckets: maxBuckets,
|
|
ContinuationToken: cToken,
|
|
Prefix: prefix,
|
|
})
|
|
if err != nil {
|
|
return &Response{}, err
|
|
}
|
|
|
|
for i := range res.Buckets.Bucket {
|
|
res.Buckets.Bucket[i].BucketRegion = region
|
|
}
|
|
|
|
return &Response{
|
|
Data: res,
|
|
}, nil
|
|
}
|