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Display SVG files as images instead of text (#14101)

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* Change to display SVG files as images

* Remove unsafe styles from SVG CSP

* Add integration test to test SVG headers

* Add config setting to disable SVG rendering

* Add test for img tag when loading SVG image

* Remove the Raw view button for svg files since we don't fully support this

* Fix copyright year

* Rename and move config setting

* Add setting to cheat sheet in docs

* Fix so that comment matches cheat sheet

* Add allowing styles in CSP based on pull request feedback

* Re-enable raw button since we show SVG styles now

* Change so that SVG files are editable

* Add UI to toggle between source and rendered image for SVGs

* Change to show blame button for SVG images

* Fix to update ctx data

* Add test for DetectContentType when file is longer than sniffLen

Co-authored-by: Jonathan Tran <jon@allspice.io>
Co-authored-by: Kyle D <kdumontnu@gmail.com>
This commit is contained in:
Jonathan Tran 2021-01-12 22:45:19 -05:00 • committed by GitHub
parent 9465e60504
commit 81467e6f35
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47 changed files with 736 additions and 16 deletions
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5
routers/repo/download.go
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@ -46,6 +46,11 @@ func ServeData(ctx *context.Context, name string, reader io.Reader) error {
} else if base.IsImageFile(buf) || base.IsPDFFile(buf) {
ctx.Resp.Header().Set("Content-Disposition", fmt.Sprintf(`inline; filename="%s"`, name))
ctx.Resp.Header().Set("Access-Control-Expose-Headers", "Content-Disposition")
if base.IsSVGImageFile(buf) {
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", base.SVGMimeType)
}
} else {
ctx.Resp.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s"`, name))
ctx.Resp.Header().Set("Access-Control-Expose-Headers", "Content-Disposition")