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78 lines
2.1 KiB
Go
78 lines
2.1 KiB
Go
/*
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* Minio Go Library for Amazon S3 Compatible Cloud Storage
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* Copyright 2017 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 credentials
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import "strings"
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// SignatureType is type of Authorization requested for a given HTTP request.
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type SignatureType int
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// Different types of supported signatures - default is SignatureV4 or SignatureDefault.
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const (
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// SignatureDefault is always set to v4.
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SignatureDefault SignatureType = iota
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SignatureV4
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SignatureV2
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SignatureV4Streaming
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SignatureAnonymous // Anonymous signature signifies, no signature.
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)
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// IsV2 - is signature SignatureV2?
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func (s SignatureType) IsV2() bool {
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return s == SignatureV2
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}
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// IsV4 - is signature SignatureV4?
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func (s SignatureType) IsV4() bool {
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return s == SignatureV4 || s == SignatureDefault
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}
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// IsStreamingV4 - is signature SignatureV4Streaming?
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func (s SignatureType) IsStreamingV4() bool {
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return s == SignatureV4Streaming
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}
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// IsAnonymous - is signature empty?
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func (s SignatureType) IsAnonymous() bool {
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return s == SignatureAnonymous
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}
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// Stringer humanized version of signature type,
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// strings returned here are case insensitive.
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func (s SignatureType) String() string {
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if s.IsV2() {
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return "S3v2"
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} else if s.IsV4() {
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return "S3v4"
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} else if s.IsStreamingV4() {
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return "S3v4Streaming"
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}
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return "Anonymous"
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}
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func parseSignatureType(str string) SignatureType {
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if strings.EqualFold(str, "S3v4") {
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return SignatureV4
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} else if strings.EqualFold(str, "S3v2") {
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return SignatureV2
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} else if strings.EqualFold(str, "S3v4Streaming") {
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return SignatureV4Streaming
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}
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return SignatureAnonymous
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}
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