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check the type/language of script elements

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This commit is contained in:
Sean McArthur 2014-08-20 09:51:45 -07:00
parent 80c001b2f0
commit bc129fee34
3 changed files with 169 additions and 1 deletions
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58
src/components/script/html/hubbub_html_parser.rs
View file

@ -23,7 +23,7 @@ use servo_net::resource_task::{Load, LoadData, Payload, Done, ResourceTask, load
use servo_util::atom::Atom;
use servo_util::namespace;
use servo_util::namespace::{Namespace, Null};
use servo_util::str::{DOMString, HTML_SPACE_CHARACTERS};
use servo_util::str::{DOMString, HTML_SPACE_CHARACTERS, StaticStringVec};
use servo_util::task::spawn_named;
use std::ascii::StrAsciiExt;
use std::mem;
@ -291,6 +291,57 @@ pub fn build_element_from_tag(tag: DOMString, ns: Namespace, document: &JSRef<Do
return ElementCast::from_temporary(HTMLUnknownElement::new(tag, document));
}
// List found at http://whatwg.org/html#support-the-scripting-language
static SCRIPT_JS_MIMES: StaticStringVec = &[
"application/ecmascript",
"application/javascript",
"application/x-ecmascript",
"application/x-javascript",
"text/ecmascript",
"text/javascript",
"text/javascript1.0",
"text/javascript1.1",
"text/javascript1.2",
"text/javascript1.3",
"text/javascript1.4",
"text/javascript1.5",
"text/jscript",
"text/livescript",
"text/x-ecmascript",
"text/x-javascript",
];
fn is_javascript(script: &JSRef<Element>) -> bool {
match script.get_attribute(Null, "type").root().map(|s| s.Value()) {
Some(ref s) if s.is_empty() => {
// type attr exists, but empty means js
debug!("script type empty, inferring js");
true
},
Some(ref s) => {
debug!("script type={:s}", *s);
SCRIPT_JS_MIMES.contains(&s.as_slice().trim_chars(HTML_SPACE_CHARACTERS))
},
None => {
debug!("no script type");
match script.get_attribute(Null, "language").root().map(|s| s.Value()) {
Some(ref s) if s.is_empty() => {
debug!("script language empty, inferring js");
true
},
Some(ref s) => {
debug!("script language={:s}", *s);
SCRIPT_JS_MIMES.contains(&"text/".to_string().append(s.as_slice()).as_slice())
},
None => {
debug!("no script type or language, inferring js");
true
}
}
}
}
}
pub fn parse_html(page: &Page,
document: &JSRef<Document>,
url: Url,
@ -494,6 +545,11 @@ pub fn parse_html(page: &Page,
complete_script: |script| {
unsafe {
let script: &JSRef<Element> = &*from_hubbub_node(script).root();
if !is_javascript(script) {
return;
}
match script.get_attribute(Null, "src").root() {
Some(src) => {
debug!("found script: {:s}", src.deref().Value());

11
src/test/content/harness.js
View file

@ -3,12 +3,20 @@ function _oneline(x) {
return (i == -1) ? x : (x.slice(0, i) + "...");
}
var _expectations = 0;
var _tests = 0;
function expect(num) {
_expectations = num;
}
function _fail(s, m) {
_tests++;
// string split to avoid problems with tests that end up printing the value of window._fail.
window.alert(_oneline("TEST-UNEXPECTED" + "-FAIL | " + s + ": " + m));
}
function _pass(s, m) {
_tests++;
window.alert(_oneline("TEST-PASS | " + s + ": " + m));
}
@ -67,6 +75,9 @@ function check_disabled_selector(elem, disabled) {
var _test_complete = false;
var _test_timeout = 10000; //10 seconds
function finish() {
if (_expectations > _tests) {
_fail('expected ' + _expectations + ' tests, fullfilled ' + _tests);
}
_test_complete = true;
window.close();
}

101
src/test/content/test_script_type.html Normal file
View file

@ -0,0 +1,101 @@
<html>
<head>
<title></title>
<script src="harness.js"></script>
</head>
<body>
<script>
expect(22);
function ok(msg) { _pass(msg, ""); }
function fail(msg) { _fail(msg, ""); }
</script>
<script type="">
ok('type is empty string');
</script>
<script language="">
ok('language is empty string');
</script>
<script type="text/javascript" language="vbscript">
ok('type is text/javascript, language ignored');
</script>
<script type="" language="fooscript">
ok('type is empty string, language ingored');
</script>
<script language="javascript">
ok('language is javascript');
</script>
<script language="ecmascript">
ok('language is ecmascript');
</script>
<!-- list found at http://www.whatwg.org/specs/web-apps/current-work/multipage/scripting.html#support-the-scripting-language -->
<script type="application/ecmascript">
ok('type is application/ecmascript');
</script>
<script type="application/javascript">
ok('type is application/javascript');
</script>
<script type="application/x-ecmascript">
ok('type is application/x-ecmascript');
</script>
<script type="application/x-javascript">
ok('type is application/x-javascript');
</script>
<script type="text/ecmascript">
ok('type is text/ecmascript');
</script>
<script type="text/javascript">
ok('type is text/javascript');
</script>
<script type="text/javascript1.0">
ok('type is text/javascript1.0');
</script>
<script type="text/javascript1.1">
ok('type is text/javascript1.1');
</script>
<script type="text/javascript1.2">
ok('type is text/javascript1.2');
</script>
<script type="text/javascript1.3">
ok('type is text/javascript1.3');
</script>
<script type="text/javascript1.4">
ok('type is text/javascript1.4');
</script>
<script type="text/javascript1.5">
ok('type is text/javascript1.5');
</script>
<script type="text/jscript">
ok('type is text/jsscript');
</script>
<script type="text/livescript">
ok('type is text/livescript');
</script>
<script type="text/x-ecmascript">
ok('type is text/x-ecmascript');
</script>
<script type="text/x-javascript">
ok('type is text/x-javascript');
</script>
<!-- should not execute -->
<script type=" ">
fail('type is space');
</script>
<script type="foo">
fail('type is unknown');
</script>
<script type="text/javascript1.6">
fail('type is unknown');
</script>
<script language="text/javascript">
fail('language is text/javascript');
</script>
<script>
finish();
</script>
</body>
</html>