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cmd/stdiscosrv: Only attempt unescaping when there are %-encodings in the header (fixes #9143)

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This commit is contained in:
Jakob Borg 2023-10-14 12:29:53 +02:00
parent dc6a10dff4
commit a405c21ebb
1 changed files with 4 additions and 2 deletions
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2
cmd/stdiscosrv/apisrv.go
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@ -360,9 +360,11 @@ func certificateBytes(req *http.Request) ([]byte, error) {
// statements. We need to decode, reinstate the newlines every 64 // statements. We need to decode, reinstate the newlines every 64
// character and add statements for the PEM decoder // character and add statements for the PEM decoder
if strings.Contains(hdr, "%") {
if unesc, err := url.QueryUnescape(hdr); err == nil { if unesc, err := url.QueryUnescape(hdr); err == nil {
hdr = unesc hdr = unesc
} }
}
for i := 64; i < len(hdr); i += 65 { for i := 64; i < len(hdr); i += 65 {
hdr = hdr[:i] + "\n" + hdr[i:] hdr = hdr[:i] + "\n" + hdr[i:]