diff options
Diffstat (limited to 'modules/markup')
-rw-r--r-- | modules/markup/html.go | 6 | ||||
-rw-r--r-- | modules/markup/html_test.go | 4 |
2 files changed, 7 insertions, 3 deletions
diff --git a/modules/markup/html.go b/modules/markup/html.go index d45153d95b..e8391341d9 100644 --- a/modules/markup/html.go +++ b/modules/markup/html.go @@ -86,8 +86,8 @@ var globalVars = sync.OnceValue(func() *globalVarsType { // codePreviewPattern matches "http://domain/.../{owner}/{repo}/src/commit/{commit}/{filepath}#L10-L20" v.codePreviewPattern = regexp.MustCompile(`https?://\S+/([^\s/]+)/([^\s/]+)/src/commit/([0-9a-f]{7,64})(/\S+)#(L\d+(-L\d+)?)`) - // cleans: "<foo/bar", "<any words/", ("<html", "<head", "<script", "<style") - v.tagCleaner = regexp.MustCompile(`(?i)<(/?\w+/\w+|/[\w ]+/|/?(html|head|script|style\b))`) + // cleans: "<foo/bar", "<any words/", ("<html", "<head", "<script", "<style", "<?", "<%") + v.tagCleaner = regexp.MustCompile(`(?i)<(/?\w+/\w+|/[\w ]+/|/?(html|head|script|style|%|\?)\b)`) v.nulCleaner = strings.NewReplacer("\000", "") return v }) @@ -253,7 +253,7 @@ func postProcess(ctx *RenderContext, procs []processor, input io.Reader, output node, err := html.Parse(io.MultiReader( // prepend "<html><body>" strings.NewReader("<html><body>"), - // Strip out nuls - they're always invalid + // strip out NULLs (they're always invalid), and escape known tags bytes.NewReader(globalVars().tagCleaner.ReplaceAll([]byte(globalVars().nulCleaner.Replace(string(rawHTML))), []byte("<$1"))), // close the tags strings.NewReader("</body></html>"), diff --git a/modules/markup/html_test.go b/modules/markup/html_test.go index 58f71bdd7b..5fdbf43f7c 100644 --- a/modules/markup/html_test.go +++ b/modules/markup/html_test.go @@ -525,6 +525,10 @@ func TestPostProcess(t *testing.T) { test("<script>a</script>", `<script>a</script>`) test("<STYLE>a", `<STYLE>a`) test("<style>a</STYLE>", `<style>a</STYLE>`) + + // other special tags, our special behavior + test("<?php\nfoo", "<?php\nfoo") + test("<%asp\nfoo", "<%asp\nfoo") } func TestIssue16020(t *testing.T) { |