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Fix raw endpoint PDF file headers (#19825) (#19826)

This commit is contained in:
Lauris BH 2022-05-28 18:40:03 +03:00 committed by GitHub
parent 675f658721
commit 0e9499ada7
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 4 deletions
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8
modules/typesniffer/typesniffer.go
View File

@ -17,8 +17,12 @@ import (
// Use at most this many bytes to determine Content Type. // Use at most this many bytes to determine Content Type.
const sniffLen = 1024 const sniffLen = 1024
// SvgMimeType MIME type of SVG images. const (
const SvgMimeType = "image/svg+xml" // 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>\/]`) var svgTagRegex = regexp.MustCompile(`(?si)\A\s*(?:(<!--.*?-->|<!DOCTYPE\s+svg([\s:]+.*?>|>))\s*)*<svg[\s>\/]`)
var svgTagInXMLRegex = regexp.MustCompile(`(?si)\A<\?xml\b.*?\?>\s*(?:(<!--.*?-->|<!DOCTYPE\s+svg([\s:]+.*?>|>))\s*)*<svg[\s>\/]`) var svgTagInXMLRegex = regexp.MustCompile(`(?si)\A<\?xml\b.*?\?>\s*(?:(<!--.*?-->|<!DOCTYPE\s+svg([\s:]+.*?>|>))\s*)*<svg[\s>\/]`)

8
routers/common/repo.go
View File

@ -87,10 +87,14 @@ func ServeData(ctx *context.Context, name string, size int64, reader io.Reader)
} }
if (st.IsImage() || st.IsPDF()) && (setting.UI.SVG.Enabled || !st.IsSvgImage()) { if (st.IsImage() || st.IsPDF()) && (setting.UI.SVG.Enabled || !st.IsSvgImage()) {
ctx.Resp.Header().Set("Content-Disposition", fmt.Sprintf(`inline; filename="%s"`, name)) 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("Content-Security-Policy", "default-src 'none'; style-src 'unsafe-inline'; sandbox")
ctx.Resp.Header().Set("X-Content-Type-Options", "nosniff") 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 { } else {
ctx.Resp.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s"`, name)) ctx.Resp.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s"`, name))