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s3: fix copy multipart with v2 auth failing with 'SignatureDoesNotMatch'

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Signed-off-by: zhuc <zhucan.k8s@gmail.com>
This commit is contained in:
Louis Koo 2021-01-27 22:43:02 +08:00 committed by GitHub
parent 78afe01d15
commit cdaea62932
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 3 deletions
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16
backend/s3/v2sign.go
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@ -53,6 +53,7 @@ func sign(AccessKey, SecretKey string, req *http.Request) {
var md5 string
var contentType string
var headersToSign []string
tmpHeadersToSign := make(map[string][]string)
for k, v := range req.Header {
k = strings.ToLower(k)
switch k {
@ -62,15 +63,24 @@ func sign(AccessKey, SecretKey string, req *http.Request) {
contentType = v[0]
default:
if strings.HasPrefix(k, "x-amz-") {
vall := strings.Join(v, ",")
headersToSign = append(headersToSign, k+":"+vall)
tmpHeadersToSign[k] = v
}
}
}
var keys []string
for k := range tmpHeadersToSign {
keys = append(keys, k)
}
// https://docs.aws.amazon.com/AmazonS3/latest/dev/RESTAuthentication.html
sort.Strings(keys)
for _, key := range keys {
vall := strings.Join(tmpHeadersToSign[key], ",")
headersToSign = append(headersToSign, key+":"+vall)
}
// Make headers of interest into canonical string
var joinedHeadersToSign string
if len(headersToSign) > 0 {
sort.StringSlice(headersToSign).Sort()
joinedHeadersToSign = strings.Join(headersToSign, "\n") + "\n"
}