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Fix raw endpoint PDF file headers #19825

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merged 1 commit into from
May 28, 2022
Merged

Fix raw endpoint PDF file headers #19825

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8 changes: 6 additions & 2 deletions modules/typesniffer/typesniffer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,12 @@ import (
// Use at most this many bytes to determine Content Type.
const sniffLen = 1024

// SvgMimeType MIME type of SVG images.
const SvgMimeType = "image/svg+xml"
const (
// SvgMimeType MIME type of SVG images.
SvgMimeType = "image/svg+xml"
// ApplicationOctetStream MIME type of binary files.
ApplicationOctetStream = "application/octet-stream"
)

var (
svgTagRegex = regexp.MustCompile(`(?si)\A\s*(?:(<!--.*?-->|<!DOCTYPE\s+svg([\s:]+.*?>|>))\s*)*<svg[\s>\/]`)
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8 changes: 6 additions & 2 deletions routers/common/repo.go
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Original file line number Diff line number Diff line change
Expand Up @@ -88,10 +88,14 @@ func ServeData(ctx *context.Context, name string, size int64, reader io.Reader)
}
if (st.IsImage() || st.IsPDF()) && (setting.UI.SVG.Enabled || !st.IsSvgImage()) {
ctx.Resp.Header().Set("Content-Disposition", fmt.Sprintf(`inline; filename="%s"`, name))
if st.IsSvgImage() {
if st.IsSvgImage() || st.IsPDF() {
ctx.Resp.Header().Set("Content-Security-Policy", "default-src 'none'; style-src 'unsafe-inline'; sandbox")
ctx.Resp.Header().Set("X-Content-Type-Options", "nosniff")
ctx.Resp.Header().Set("Content-Type", typesniffer.SvgMimeType)
if st.IsSvgImage() {
ctx.Resp.Header().Set("Content-Type", typesniffer.SvgMimeType)
} else {
ctx.Resp.Header().Set("Content-Type", typesniffer.ApplicationOctetStream)
}
}
} else {
ctx.Resp.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s"`, name))
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