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Add support for client hints prefixed with Sec-CH-; Remove Viewport-Width header support

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This commit is contained in:
DarthSim
2023-04-11 21:08:39 +03:00
parent a2efeb55be
commit b92de43cf3
5 changed files with 18 additions and 43 deletions
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16
options/processing_options.go
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@ -1087,17 +1087,21 @@ func defaultProcessingOptions(headers http.Header) (*ProcessingOptions, error) {
}
if config.EnableClientHints {
if headerDPR := headers.Get("DPR"); len(headerDPR) > 0 {
headerDPR := headers.Get("Sec-CH-DPR")
if len(headerDPR) == 0 {
headerDPR = headers.Get("DPR")
}
if len(headerDPR) > 0 {
if dpr, err := strconv.ParseFloat(headerDPR, 64); err == nil && (dpr > 0 && dpr <= maxClientHintDPR) {
po.Dpr = dpr
}
}
if headerViewportWidth := headers.Get("Viewport-Width"); len(headerViewportWidth) > 0 {
if vw, err := strconv.Atoi(headerViewportWidth); err == nil {
po.Width = vw
}
headerWidth := headers.Get("Sec-CH-Width")
if len(headerWidth) == 0 {
headerWidth = headers.Get("Width")
}
if headerWidth := headers.Get("Width"); len(headerWidth) > 0 {
if len(headerWidth) > 0 {
if w, err := strconv.Atoi(headerWidth); err == nil {
po.Width = imath.Scale(w, 1/po.Dpr)
}