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Add PostObject Checksum (#17244)

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This commit is contained in:
Klaus Post
2023-05-23 07:58:33 -07:00
committed by GitHub
parent ef54200db7
commit 5677f73794
4 changed files with 54 additions and 11 deletions
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16
internal/hash/checksum.go
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@@ -341,7 +341,7 @@ func (c *Checksum) AsMap() map[string]string {
// TransferChecksumHeader will transfer any checksum value that has been checked.
// If checksum was trailing, they must have been added to r.Trailer.
func TransferChecksumHeader(w http.ResponseWriter, r *http.Request) {
c, err := GetContentChecksum(r)
c, err := GetContentChecksum(r.Header)
if err != nil || c == nil {
return
}
@@ -375,8 +375,8 @@ func AddChecksumHeader(w http.ResponseWriter, c map[string]string) {
// GetContentChecksum returns content checksum.
// Returns ErrInvalidChecksum if so.
// Returns nil, nil if no checksum.
func GetContentChecksum(r *http.Request) (*Checksum, error) {
if trailing := r.Header.Values(xhttp.AmzTrailer); len(trailing) > 0 {
func GetContentChecksum(h http.Header) (*Checksum, error) {
if trailing := h.Values(xhttp.AmzTrailer); len(trailing) > 0 {
var res *Checksum
for _, header := range trailing {
var duplicates bool
@@ -402,7 +402,7 @@ func GetContentChecksum(r *http.Request) (*Checksum, error) {
return res, nil
}
}
t, s := getContentChecksum(r)
t, s := getContentChecksum(h)
if t == ChecksumNone {
if s == "" {
return nil, nil
@@ -418,21 +418,21 @@ func GetContentChecksum(r *http.Request) (*Checksum, error) {
// getContentChecksum returns content checksum type and value.
// Returns ChecksumInvalid if so.
func getContentChecksum(r *http.Request) (t ChecksumType, s string) {
func getContentChecksum(h http.Header) (t ChecksumType, s string) {
t = ChecksumNone
alg := r.Header.Get(xhttp.AmzChecksumAlgo)
alg := h.Get(xhttp.AmzChecksumAlgo)
if alg != "" {
t |= NewChecksumType(alg)
if t.IsSet() {
hdr := t.Key()
if s = r.Header.Get(hdr); s == "" {
if s = h.Get(hdr); s == "" {
return ChecksumNone, ""
}
}
return t, s
}
checkType := func(c ChecksumType) {
if got := r.Header.Get(c.Key()); got != "" {
if got := h.Get(c.Key()); got != "" {
// If already set, invalid
if t != ChecksumNone {
t = ChecksumInvalid