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Avoid panic in shortcode param handling

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Fixes #1337
This commit is contained in:
Bjørn Erik Pedersen
2015-08-07 20:08:23 +02:00
parent 35bb72c83e
commit 0f1fb8c7d8
2 changed files with 32 additions and 6 deletions
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18
hugolib/shortcode_test.go
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@@ -18,14 +18,22 @@ func pageFromString(in, filename string) (*Page, error) {
}
func CheckShortCodeMatch(t *testing.T, input, expected string, template tpl.Template) {
CheckShortCodeMatchAndError(t, input, expected, template, false)
}
func CheckShortCodeMatchAndError(t *testing.T, input, expected string, template tpl.Template, expectError bool) {
p, _ := pageFromString(SIMPLE_PAGE, "simple.md")
output, err := HandleShortcodes(input, p, template)
if err != nil {
if err != nil && !expectError {
t.Fatalf("Shortcode rendered error %s. Expected: %q, Got: %q", err, expected, output)
}
if err == nil && expectError {
t.Fatalf("No error from shortcode")
}
if output != expected {
t.Fatalf("Shortcode render didn't match. got %q but exxpected %q", output, expected)
}
@@ -91,6 +99,14 @@ func TestPositionalParamIndexOutOfBounds(t *testing.T) {
CheckShortCodeMatch(t, "{{< video 47238zzb >}}", "Playing Video error: index out of range for positional param at position 1", tem)
}
// some repro issues for panics in Go Fuzz testing
func TestShortcodeGoFuzzRepros(t *testing.T) {
tt := tpl.New()
tt.AddInternalShortcode("inner.html", `Shortcode... {{ with .Get 0 }}{{ . }}{{ end }}-- {{ with .Get 1 }}{{ . }}{{ end }}- {{ with .Inner }}{{ . }}{{ end }}`)
// Issue #1337
CheckShortCodeMatchAndError(t, "{{%inner\"\"\"\"=\"\"", "", tt, true)
}
func TestNamedParamSC(t *testing.T) {
tem := tpl.New()
tem.AddInternalShortcode("img.html", `<img{{ with .Get "src" }} src="{{.}}"{{end}}{{with .Get "class"}} class="{{.}}"{{end}}>`)