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Code Issues Projects Releases Packages Wiki Activity Actions 7

Add Image Diff for SVG files (#14867)

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* Added type sniffer.

* Switched content detection from base to typesniffer.

* Added GuessContentType to Blob.

* Moved image info logic to client.
Added support for SVG images in diff.

* Restore old blocked svg behaviour.

* Added missing image formats.

* Execute image diff only when container is visible.

* add margin to spinner

* improve BIN tag on image diffs

* Default to render view.

* Show image diff on incomplete diff.

Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Lauris BH <lauris@nix.lv>
This commit is contained in:
KN4CK3R 2021-06-05 14:32:19 +02:00 • committed by GitHub
parent 7979c3654e
commit 8e262104c2
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19 changed files with 449 additions and 441 deletions
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34
routers/repo/download.go
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@ -12,7 +12,6 @@ import (
"path/filepath"
"strings"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/charset"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
@ -20,6 +19,7 @@ import (
"code.gitea.io/gitea/modules/lfs"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/typesniffer"
)
// ServeData download file from io.Reader
@ -45,28 +45,32 @@ func ServeData(ctx *context.Context, name string, size int64, reader io.Reader)
// Google Chrome dislike commas in filenames, so let's change it to a space
name = strings.ReplaceAll(name, ",", " ")
if base.IsTextFile(buf) || ctx.QueryBool("render") {
st := typesniffer.DetectContentType(buf)
if st.IsText() || ctx.QueryBool("render") {
cs, err := charset.DetectEncoding(buf)
if err != nil {
log.Error("Detect raw file %s charset failed: %v, using by default utf-8", name, err)
cs = "utf-8"
}
ctx.Resp.Header().Set("Content-Type", "text/plain; charset="+strings.ToLower(cs))
} 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")
if setting.MimeTypeMap.Enabled {
fileExtension := strings.ToLower(filepath.Ext(name))
if mimetype, ok := setting.MimeTypeMap.Map[fileExtension]; ok {
ctx.Resp.Header().Set("Content-Type", mimetype)
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() {
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)
}
} else {
ctx.Resp.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s"`, name))
if setting.MimeTypeMap.Enabled {
fileExtension := strings.ToLower(filepath.Ext(name))
if mimetype, ok := setting.MimeTypeMap.Map[fileExtension]; ok {
ctx.Resp.Header().Set("Content-Type", mimetype)
}
}
}
}