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Fix markdown render (#33870) (#33875)

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Backport #33870 by wxiaoguang

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
Giteabot
2025-03-14 08:28:10 +08:00
committed by GitHub
parent fc82204fca
commit 9054a6670c
4 changed files with 22 additions and 21 deletions
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22
modules/markup/markdown/markdown.go
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@ -159,6 +159,14 @@ func render(ctx *markup.RenderContext, input io.Reader, output io.Writer) error
limit: setting.UI.MaxDisplayFileSize * 3,
}
// FIXME: Don't read all to memory, but goldmark doesn't support
buf, err := io.ReadAll(input)
if err != nil {
log.Error("Unable to ReadAll: %v", err)
return err
}
buf = giteautil.NormalizeEOL(buf)
// FIXME: should we include a timeout to abort the renderer if it takes too long?
defer func() {
err := recover()
@ -166,20 +174,12 @@ func render(ctx *markup.RenderContext, input io.Reader, output io.Writer) error
return
}
log.Warn("Unable to render markdown due to panic in goldmark: %v", err)
if (!setting.IsProd && !setting.IsInTesting) || log.IsDebug() {
log.Error("Panic in markdown: %v\n%s", err, log.Stack(2))
}
log.Error("Panic in markdown: %v\n%s", err, log.Stack(2))
escapedHTML := template.HTMLEscapeString(giteautil.UnsafeBytesToString(buf))
_, _ = output.Write(giteautil.UnsafeStringToBytes(escapedHTML))
}()
// FIXME: Don't read all to memory, but goldmark doesn't support
pc := newParserContext(ctx)
buf, err := io.ReadAll(input)
if err != nil {
log.Error("Unable to ReadAll: %v", err)
return err
}
buf = giteautil.NormalizeEOL(buf)
// Preserve original length.
bufWithMetadataLength := len(buf)