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359 lines
8.9 KiB
359 lines
8.9 KiB
/*
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* Minio Cloud Storage, (C) 2015 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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"fmt"
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"io"
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)
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// Converts underlying storage error. Convenience function written to
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// handle all cases where we have known types of errors returned by
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// underlying storage layer.
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func toObjectErr(err error, params ...string) error {
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e, ok := err.(*Error)
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if ok {
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err = e.e
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}
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switch err {
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case errVolumeNotFound:
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if len(params) >= 1 {
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err = BucketNotFound{Bucket: params[0]}
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}
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case errVolumeNotEmpty:
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if len(params) >= 1 {
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err = BucketNotEmpty{Bucket: params[0]}
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}
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case errVolumeExists:
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if len(params) >= 1 {
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err = BucketExists{Bucket: params[0]}
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}
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case errDiskFull:
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err = StorageFull{}
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case errFileAccessDenied:
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if len(params) >= 2 {
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err = PrefixAccessDenied{
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Bucket: params[0],
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Object: params[1],
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}
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}
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case errIsNotRegular, errFileAccessDenied:
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if len(params) >= 2 {
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err = ObjectExistsAsDirectory{
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Bucket: params[0],
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Object: params[1],
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}
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}
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case errFileNotFound:
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if len(params) >= 2 {
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err = ObjectNotFound{
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Bucket: params[0],
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Object: params[1],
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}
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}
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case errFileNameTooLong:
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if len(params) >= 2 {
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err = ObjectNameInvalid{
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Bucket: params[0],
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Object: params[1],
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}
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}
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case errDataTooLarge:
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if len(params) >= 2 {
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err = ObjectTooLarge{
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Bucket: params[0],
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Object: params[1],
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}
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}
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case errDataTooSmall:
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if len(params) >= 2 {
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err = ObjectTooSmall{
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Bucket: params[0],
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Object: params[1],
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}
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}
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case errXLReadQuorum:
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err = InsufficientReadQuorum{}
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case errXLWriteQuorum:
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err = InsufficientWriteQuorum{}
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case io.ErrUnexpectedEOF, io.ErrShortWrite:
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err = IncompleteBody{}
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case errContentSHA256Mismatch:
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err = SHA256Mismatch{}
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}
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if ok {
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e.e = err
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return e
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}
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return err
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}
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// SHA256Mismatch - when content sha256 does not match with what was sent from client.
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type SHA256Mismatch struct{}
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func (e SHA256Mismatch) Error() string {
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return "sha256 computed does not match with what is expected"
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}
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// StorageFull storage ran out of space.
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type StorageFull struct{}
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func (e StorageFull) Error() string {
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return "Storage reached its minimum free disk threshold."
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}
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// InsufficientReadQuorum storage cannot satisfy quorum for read operation.
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type InsufficientReadQuorum struct{}
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func (e InsufficientReadQuorum) Error() string {
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return "Storage resources are insufficient for the read operation."
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}
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// InsufficientWriteQuorum storage cannot satisfy quorum for write operation.
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type InsufficientWriteQuorum struct{}
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func (e InsufficientWriteQuorum) Error() string {
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return "Storage resources are insufficient for the write operation."
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}
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// GenericError - generic object layer error.
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type GenericError struct {
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Bucket string
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Object string
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}
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// BucketNotFound bucket does not exist.
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type BucketNotFound GenericError
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func (e BucketNotFound) Error() string {
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return "Bucket not found: " + e.Bucket
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}
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// BucketNotEmpty bucket is not empty.
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type BucketNotEmpty GenericError
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func (e BucketNotEmpty) Error() string {
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return "Bucket not empty: " + e.Bucket
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}
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// ObjectNotFound object does not exist.
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type ObjectNotFound GenericError
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func (e ObjectNotFound) Error() string {
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return "Object not found: " + e.Bucket + "#" + e.Object
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}
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// ObjectExistsAsDirectory object already exists as a directory.
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type ObjectExistsAsDirectory GenericError
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func (e ObjectExistsAsDirectory) Error() string {
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return "Object exists on : " + e.Bucket + " as directory " + e.Object
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}
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//PrefixAccessDenied object access is denied.
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type PrefixAccessDenied GenericError
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func (e PrefixAccessDenied) Error() string {
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return "Prefix access is denied: " + e.Bucket + "/" + e.Object
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}
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// BucketExists bucket exists.
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type BucketExists GenericError
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func (e BucketExists) Error() string {
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return "Bucket exists: " + e.Bucket
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}
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// BadDigest - Content-MD5 you specified did not match what we received.
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type BadDigest struct {
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ExpectedMD5 string
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CalculatedMD5 string
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}
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func (e BadDigest) Error() string {
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return "Bad digest: Expected " + e.ExpectedMD5 + " is not valid with what we calculated " + e.CalculatedMD5
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}
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// UnsupportedDelimiter - unsupported delimiter.
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type UnsupportedDelimiter struct {
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Delimiter string
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}
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func (e UnsupportedDelimiter) Error() string {
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return fmt.Sprintf("delimiter '%s' is not supported. Only '/' is supported", e.Delimiter)
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}
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// InvalidUploadIDKeyCombination - invalid upload id and key marker combination.
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type InvalidUploadIDKeyCombination struct {
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UploadIDMarker, KeyMarker string
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}
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func (e InvalidUploadIDKeyCombination) Error() string {
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return fmt.Sprintf("Invalid combination of uploadID marker '%s' and marker '%s'", e.UploadIDMarker, e.KeyMarker)
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}
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// InvalidMarkerPrefixCombination - invalid marker and prefix combination.
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type InvalidMarkerPrefixCombination struct {
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Marker, Prefix string
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}
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func (e InvalidMarkerPrefixCombination) Error() string {
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return fmt.Sprintf("Invalid combination of marker '%s' and prefix '%s'", e.Marker, e.Prefix)
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}
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// BucketPolicyNotFound - no bucket policy found.
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type BucketPolicyNotFound GenericError
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func (e BucketPolicyNotFound) Error() string {
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return "No bucket policy found for bucket: " + e.Bucket
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}
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/// Bucket related errors.
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// BucketNameInvalid - bucketname provided is invalid.
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type BucketNameInvalid GenericError
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// Return string an error formatted as the given text.
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func (e BucketNameInvalid) Error() string {
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return "Bucket name invalid: " + e.Bucket
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}
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/// Object related errors.
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// ObjectNameInvalid - object name provided is invalid.
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type ObjectNameInvalid GenericError
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// Return string an error formatted as the given text.
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func (e ObjectNameInvalid) Error() string {
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return "Object name invalid: " + e.Bucket + "#" + e.Object
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}
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// IncompleteBody You did not provide the number of bytes specified by the Content-Length HTTP header.
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type IncompleteBody GenericError
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// Return string an error formatted as the given text.
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func (e IncompleteBody) Error() string {
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return e.Bucket + "#" + e.Object + "has incomplete body"
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}
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// InvalidRange - invalid range typed error.
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type InvalidRange struct {
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offsetBegin int64
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offsetEnd int64
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resourceSize int64
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}
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func (e InvalidRange) Error() string {
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return fmt.Sprintf("The requested range \"bytes %d-%d/%d\" is not satisfiable.", e.offsetBegin, e.offsetEnd, e.resourceSize)
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}
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// ObjectTooLarge error returned when the size of the object > max object size allowed (5G) per request.
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type ObjectTooLarge GenericError
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func (e ObjectTooLarge) Error() string {
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return "size of the object greater than what is allowed(5G)"
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}
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// ObjectTooSmall error returned when the size of the object < what is expected.
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type ObjectTooSmall GenericError
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func (e ObjectTooSmall) Error() string {
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return "size of the object less than what is expected"
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}
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/// Multipart related errors.
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// MalformedUploadID malformed upload id.
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type MalformedUploadID struct {
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UploadID string
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}
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func (e MalformedUploadID) Error() string {
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return "Malformed upload id " + e.UploadID
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}
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// InvalidUploadID invalid upload id.
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type InvalidUploadID struct {
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UploadID string
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}
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func (e InvalidUploadID) Error() string {
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return "Invalid upload id " + e.UploadID
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}
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// InvalidPart One or more of the specified parts could not be found
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type InvalidPart struct{}
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func (e InvalidPart) Error() string {
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return "One or more of the specified parts could not be found"
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}
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// PartTooSmall - error if part size is less than 5MB.
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type PartTooSmall struct {
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PartSize int64
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PartNumber int
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PartETag string
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}
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func (e PartTooSmall) Error() string {
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return fmt.Sprintf("Part size for %d should be atleast 5MB", e.PartNumber)
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}
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// NotImplemented If a feature is not implemented
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type NotImplemented struct{}
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func (e NotImplemented) Error() string {
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return "Not Implemented"
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}
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// PolicyNesting - policy nesting conflict.
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type PolicyNesting struct{}
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func (e PolicyNesting) Error() string {
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return "New bucket policy conflicts with an existing policy. Please try again with new prefix."
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}
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// Check if error type is IncompleteBody.
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func isErrIncompleteBody(err error) bool {
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err = errorCause(err)
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switch err.(type) {
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case IncompleteBody:
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return true
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}
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return false
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}
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// Check if error type is BucketPolicyNotFound.
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func isErrBucketPolicyNotFound(err error) bool {
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err = errorCause(err)
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switch err.(type) {
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case BucketPolicyNotFound:
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return true
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}
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return false
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}
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// Check if error type is ObjectNotFound.
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func isErrObjectNotFound(err error) bool {
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err = errorCause(err)
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switch err.(type) {
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case ObjectNotFound:
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return true
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}
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return false
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}
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