aboutsummaryrefslogtreecommitdiffstats
path: root/vendor/github.com/minio/minio-go/v7/pkg/signer/utils.go
diff options
context:
space:
mode:
authorLibravatar Rutger Broekhoff2023-12-29 21:31:53 +0100
committerLibravatar Rutger Broekhoff2023-12-29 21:31:53 +0100
commit404aeae4545d2426c089a5f8d5e82dae56f5212b (patch)
tree2d84e00af272b39fc04f3795ae06bc48970e57b5 /vendor/github.com/minio/minio-go/v7/pkg/signer/utils.go
parent209d8b0187ed025dec9ac149ebcced3462877bff (diff)
downloadgitolfs3-404aeae4545d2426c089a5f8d5e82dae56f5212b.tar.gz
gitolfs3-404aeae4545d2426c089a5f8d5e82dae56f5212b.zip
Make Nix builds work
Diffstat (limited to 'vendor/github.com/minio/minio-go/v7/pkg/signer/utils.go')
-rw-r--r--vendor/github.com/minio/minio-go/v7/pkg/signer/utils.go62
1 files changed, 62 insertions, 0 deletions
diff --git a/vendor/github.com/minio/minio-go/v7/pkg/signer/utils.go b/vendor/github.com/minio/minio-go/v7/pkg/signer/utils.go
new file mode 100644
index 0000000..87c9939
--- /dev/null
+++ b/vendor/github.com/minio/minio-go/v7/pkg/signer/utils.go
@@ -0,0 +1,62 @@
1/*
2 * MinIO Go Library for Amazon S3 Compatible Cloud Storage
3 * Copyright 2015-2017 MinIO, Inc.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18package signer
19
20import (
21 "crypto/hmac"
22 "crypto/sha256"
23 "net/http"
24 "strings"
25)
26
27// unsignedPayload - value to be set to X-Amz-Content-Sha256 header when
28const unsignedPayload = "UNSIGNED-PAYLOAD"
29
30// sum256 calculate sha256 sum for an input byte array.
31func sum256(data []byte) []byte {
32 hash := sha256.New()
33 hash.Write(data)
34 return hash.Sum(nil)
35}
36
37// sumHMAC calculate hmac between two input byte array.
38func sumHMAC(key, data []byte) []byte {
39 hash := hmac.New(sha256.New, key)
40 hash.Write(data)
41 return hash.Sum(nil)
42}
43
44// getHostAddr returns host header if available, otherwise returns host from URL
45func getHostAddr(req *http.Request) string {
46 host := req.Header.Get("host")
47 if host != "" && req.Host != host {
48 return host
49 }
50 if req.Host != "" {
51 return req.Host
52 }
53 return req.URL.Host
54}
55
56// Trim leading and trailing spaces and replace sequential spaces with one space, following Trimall()
57// in http://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html
58func signV4TrimAll(input string) string {
59 // Compress adjacent spaces (a space is determined by
60 // unicode.IsSpace() internally here) to one space and return
61 return strings.Join(strings.Fields(input), " ")
62}