185 lines
6 KiB
Go
185 lines
6 KiB
Go
/*
|
|
* Minio Cloud Storage, (C) 2016 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 (
|
|
"context"
|
|
|
|
"github.com/minio/minio/pkg/errors"
|
|
"github.com/skyrings/skyring-common/tools/uuid"
|
|
)
|
|
|
|
// Checks on GetObject arguments, bucket and object.
|
|
func checkGetObjArgs(bucket, object string) error {
|
|
return checkBucketAndObjectNames(bucket, object)
|
|
}
|
|
|
|
// Checks on DeleteObject arguments, bucket and object.
|
|
func checkDelObjArgs(bucket, object string) error {
|
|
return checkBucketAndObjectNames(bucket, object)
|
|
}
|
|
|
|
// Checks bucket and object name validity, returns nil if both are valid.
|
|
func checkBucketAndObjectNames(bucket, object string) error {
|
|
// Verify if bucket is valid.
|
|
if !IsValidBucketName(bucket) {
|
|
return errors.Trace(BucketNameInvalid{Bucket: bucket})
|
|
}
|
|
// Verify if object is valid.
|
|
if len(object) == 0 {
|
|
return errors.Trace(ObjectNameInvalid{Bucket: bucket, Object: object})
|
|
}
|
|
if !IsValidObjectPrefix(object) {
|
|
return errors.Trace(ObjectNameInvalid{Bucket: bucket, Object: object})
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Checks for all ListObjects arguments validity.
|
|
func checkListObjsArgs(bucket, prefix, marker, delimiter string, obj ObjectLayer) error {
|
|
// Verify if bucket exists before validating object name.
|
|
// This is done on purpose since the order of errors is
|
|
// important here bucket does not exist error should
|
|
// happen before we return an error for invalid object name.
|
|
// FIXME: should be moved to handler layer.
|
|
if err := checkBucketExist(bucket, obj); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
// Validates object prefix validity after bucket exists.
|
|
if !IsValidObjectPrefix(prefix) {
|
|
return errors.Trace(ObjectNameInvalid{
|
|
Bucket: bucket,
|
|
Object: prefix,
|
|
})
|
|
}
|
|
// Verify if delimiter is anything other than '/', which we do not support.
|
|
if delimiter != "" && delimiter != slashSeparator {
|
|
return errors.Trace(UnsupportedDelimiter{
|
|
Delimiter: delimiter,
|
|
})
|
|
}
|
|
// Verify if marker has prefix.
|
|
if marker != "" && !hasPrefix(marker, prefix) {
|
|
return errors.Trace(InvalidMarkerPrefixCombination{
|
|
Marker: marker,
|
|
Prefix: prefix,
|
|
})
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Checks for all ListMultipartUploads arguments validity.
|
|
func checkListMultipartArgs(bucket, prefix, keyMarker, uploadIDMarker, delimiter string, obj ObjectLayer) error {
|
|
if err := checkListObjsArgs(bucket, prefix, keyMarker, delimiter, obj); err != nil {
|
|
return err
|
|
}
|
|
if uploadIDMarker != "" {
|
|
if hasSuffix(keyMarker, slashSeparator) {
|
|
return errors.Trace(InvalidUploadIDKeyCombination{
|
|
UploadIDMarker: uploadIDMarker,
|
|
KeyMarker: keyMarker,
|
|
})
|
|
}
|
|
id, err := uuid.Parse(uploadIDMarker)
|
|
if err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
if id.IsZero() {
|
|
return errors.Trace(MalformedUploadID{
|
|
UploadID: uploadIDMarker,
|
|
})
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Checks for NewMultipartUpload arguments validity, also validates if bucket exists.
|
|
func checkNewMultipartArgs(bucket, object string, obj ObjectLayer) error {
|
|
return checkObjectArgs(bucket, object, obj)
|
|
}
|
|
|
|
// Checks for PutObjectPart arguments validity, also validates if bucket exists.
|
|
func checkPutObjectPartArgs(bucket, object string, obj ObjectLayer) error {
|
|
return checkObjectArgs(bucket, object, obj)
|
|
}
|
|
|
|
// Checks for ListParts arguments validity, also validates if bucket exists.
|
|
func checkListPartsArgs(bucket, object string, obj ObjectLayer) error {
|
|
return checkObjectArgs(bucket, object, obj)
|
|
}
|
|
|
|
// Checks for CompleteMultipartUpload arguments validity, also validates if bucket exists.
|
|
func checkCompleteMultipartArgs(bucket, object string, obj ObjectLayer) error {
|
|
return checkObjectArgs(bucket, object, obj)
|
|
}
|
|
|
|
// Checks for AbortMultipartUpload arguments validity, also validates if bucket exists.
|
|
func checkAbortMultipartArgs(bucket, object string, obj ObjectLayer) error {
|
|
return checkObjectArgs(bucket, object, obj)
|
|
}
|
|
|
|
// Checks Object arguments validity, also validates if bucket exists.
|
|
func checkObjectArgs(bucket, object string, obj ObjectLayer) error {
|
|
// Verify if bucket exists before validating object name.
|
|
// This is done on purpose since the order of errors is
|
|
// important here bucket does not exist error should
|
|
// happen before we return an error for invalid object name.
|
|
// FIXME: should be moved to handler layer.
|
|
if err := checkBucketExist(bucket, obj); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
// Validates object name validity after bucket exists.
|
|
if !IsValidObjectName(object) {
|
|
return errors.Trace(ObjectNameInvalid{
|
|
Bucket: bucket,
|
|
Object: object,
|
|
})
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Checks for PutObject arguments validity, also validates if bucket exists.
|
|
func checkPutObjectArgs(bucket, object string, obj ObjectLayer, size int64) error {
|
|
// Verify if bucket exists before validating object name.
|
|
// This is done on purpose since the order of errors is
|
|
// important here bucket does not exist error should
|
|
// happen before we return an error for invalid object name.
|
|
// FIXME: should be moved to handler layer.
|
|
if err := checkBucketExist(bucket, obj); err != nil {
|
|
return errors.Trace(err)
|
|
}
|
|
|
|
if len(object) == 0 ||
|
|
hasPrefix(object, slashSeparator) ||
|
|
(hasSuffix(object, slashSeparator) && size != 0) ||
|
|
!IsValidObjectPrefix(object) {
|
|
return errors.Trace(ObjectNameInvalid{
|
|
Bucket: bucket,
|
|
Object: object,
|
|
})
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Checks whether bucket exists and returns appropriate error if not.
|
|
func checkBucketExist(bucket string, obj ObjectLayer) error {
|
|
_, err := obj.GetBucketInfo(context.Background(), bucket)
|
|
if err != nil {
|
|
return errors.Cause(err)
|
|
}
|
|
return nil
|
|
}
|