/
access-perms.go
75 lines (64 loc) · 2.13 KB
/
access-perms.go
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// Copyright (c) 2015-2022 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 (
"os"
json "github.com/minio/colorjson"
"github.com/minio/minio-go/v7/pkg/policy"
)
// isValidAccessPERM - is provided access perm string supported.
func (b accessPerms) isValidAccessPERM() bool {
switch b {
case accessNone, accessDownload, accessUpload, accessPrivate, accessPublic:
return true
}
return false
}
func (b accessPerms) isValidAccessFile() bool {
file, err := os.Open(string(b))
if err != nil {
return false
}
defer file.Close()
var policy policy.BucketAccessPolicy
if json.NewDecoder(file).Decode(&policy) != nil {
fatalIf(errDummy().Trace(), "Unable to parse access file.")
return false
}
if policy.Version != "2012-10-17" {
fatalIf(errDummy().Trace(), "Invalid policy version. Only 2012-10-17 is supported.")
return false
}
for _, statement := range policy.Statements {
if statement.Effect != "Allow" && statement.Effect != "Deny" {
fatalIf(errDummy().Trace(), "Invalid policy effect. Only Allow and Deny are supported.")
return false
}
}
return true
}
// accessPerms - access level.
type accessPerms string
// different types of Access perm's currently supported by policy command.
const (
accessNone = accessPerms("none")
accessDownload = accessPerms("download")
accessUpload = accessPerms("upload")
accessPrivate = accessPerms("private")
accessPublic = accessPerms("public")
accessCustom = accessPerms("custom")
)