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Add warning for BIDI characters in page renders and in diffs (#17562)

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Fix #17514

Given the comments I've adjusted this somewhat. The numbers of characters detected are increased and include things like the use of U+300 to make à instead of à and non-breaking spaces.

There is a button which can be used to escape the content to show it.

Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: Gwyneth Morgan <gwymor@tilde.club>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
zeripath 2022-01-07 01:18:52 +00:00 • committed by GitHub
parent ee60f27aec
commit 21ed4fd8da
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GPG key ID: 4AEE18F83AFDEB23
26 changed files with 809 additions and 87 deletions
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5
routers/web/repo/lfs.go
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@ -300,10 +300,11 @@ func LFSFileGet(ctx *context.Context) {
rd := charset.ToUTF8WithFallbackReader(io.MultiReader(bytes.NewReader(buf), dataRc))
// Building code view blocks with line number on server side.
fileContent, _ := io.ReadAll(rd)
escapedContent := &bytes.Buffer{}
ctx.Data["EscapeStatus"], _ = charset.EscapeControlReader(rd, escapedContent)
var output bytes.Buffer
lines := strings.Split(string(fileContent), "\n")
lines := strings.Split(escapedContent.String(), "\n")
//Remove blank line at the end of file
if len(lines) > 0 && lines[len(lines)-1] == "" {
lines = lines[:len(lines)-1]