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Fix user mention processing

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When mentioning a user, the markup post-processor did not handle the
case where the mentioned user did not exist well: it tried to skip to
the next node, which in turn, ended up skipping the rest of the line.

To fix this, lets skip just the mentioned, but non-existing user, and
continue processing the current node from there.

Fixes #3535.

Signed-off-by: Gergely Nagy <forgejo@gergo.csillger.hu>
(cherry picked from commit 9a01062ae2)
This commit is contained in:
Gergely Nagy 2024-04-30 12:51:30 +02:00 committed by GitHub
parent c3e5e9ffb8
commit 75aa4c28f0
2 changed files with 7 additions and 2 deletions
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6
modules/markup/html.go
View file

@ -623,10 +623,10 @@ func mentionProcessor(ctx *RenderContext, node *html.Node) {
if DefaultProcessorHelper.IsUsernameMentionable != nil && DefaultProcessorHelper.IsUsernameMentionable(ctx.Ctx, mentionedUsername) { if DefaultProcessorHelper.IsUsernameMentionable != nil && DefaultProcessorHelper.IsUsernameMentionable(ctx.Ctx, mentionedUsername) {
replaceContent(node, loc.Start, loc.End, createLink(util.URLJoin(ctx.Links.Prefix(), mentionedUsername), mention, "mention")) replaceContent(node, loc.Start, loc.End, createLink(util.URLJoin(ctx.Links.Prefix(), mentionedUsername), mention, "mention"))
node = node.NextSibling.NextSibling node = node.NextSibling.NextSibling
} else {
node = node.NextSibling
}
start = 0 start = 0
} else {
start = loc.End
}
} }
} }

5
modules/templates/util_render_test.go
View file

@ -50,6 +50,11 @@ func TestApostrophesInMentions(t *testing.T) {
assert.EqualValues(t, template.HTML("<p><a href=\"/mention-user\" rel=\"nofollow\">@mention-user</a>&#39;s comment</p>\n"), rendered) assert.EqualValues(t, template.HTML("<p><a href=\"/mention-user\" rel=\"nofollow\">@mention-user</a>&#39;s comment</p>\n"), rendered)
} }
func TestNonExistantUserMention(t *testing.T) {
rendered := RenderMarkdownToHtml(context.Background(), "@ThisUserDoesNotExist @mention-user")
assert.EqualValues(t, template.HTML("<p>@ThisUserDoesNotExist <a href=\"/mention-user\" rel=\"nofollow\">@mention-user</a></p>\n"), rendered)
}
func TestRenderCommitBody(t *testing.T) { func TestRenderCommitBody(t *testing.T) {
type args struct { type args struct {
ctx context.Context ctx context.Context