Also match weakly validated ETags (#28957)
https://stackoverflow.com/questions/51973120/where-does-the-w-in-an-etag-appear-from https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag# --------- Co-authored-by: delvh <dev.lh@web.de>
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@ -59,7 +59,7 @@ func checkIfNoneMatchIsValid(req *http.Request, etag string) bool {
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ifNoneMatch := req.Header.Get("If-None-Match")
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ifNoneMatch := req.Header.Get("If-None-Match")
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if len(ifNoneMatch) > 0 {
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if len(ifNoneMatch) > 0 {
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for _, item := range strings.Split(ifNoneMatch, ",") {
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for _, item := range strings.Split(ifNoneMatch, ",") {
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item = strings.TrimSpace(item)
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item = strings.TrimPrefix(strings.TrimSpace(item), "W/") // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag#directives
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if item == etag {
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if item == etag {
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return true
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return true
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}
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}
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