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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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8
routers/web/repo/wiki.go
View file

@ -17,6 +17,7 @@ import (
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/models/unit"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/charset"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
@ -232,7 +233,8 @@ func renderViewPage(ctx *context.Context) (*git.Repository, *git.TreeEntry) {
ctx.ServerError("Render", err)
return nil, nil
}
ctx.Data["content"] = buf.String()
ctx.Data["EscapeStatus"], ctx.Data["content"] = charset.EscapeControlString(buf.String())
buf.Reset()
if err := markdown.Render(rctx, bytes.NewReader(sidebarContent), &buf); err != nil {
@ -243,7 +245,7 @@ func renderViewPage(ctx *context.Context) (*git.Repository, *git.TreeEntry) {
return nil, nil
}
ctx.Data["sidebarPresent"] = sidebarContent != nil
ctx.Data["sidebarContent"] = buf.String()
ctx.Data["sidebarEscapeStatus"], ctx.Data["sidebarContent"] = charset.EscapeControlString(buf.String())
buf.Reset()
if err := markdown.Render(rctx, bytes.NewReader(footerContent), &buf); err != nil {
@ -254,7 +256,7 @@ func renderViewPage(ctx *context.Context) (*git.Repository, *git.TreeEntry) {
return nil, nil
}
ctx.Data["footerPresent"] = footerContent != nil
ctx.Data["footerContent"] = buf.String()
ctx.Data["footerEscapeStatus"], ctx.Data["footerContent"] = charset.EscapeControlString(buf.String())
// get commit count - wiki revisions
commitsCount, _ := wikiRepo.FileCommitsCount("master", pageFilename)