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Avoid decoding XHR type="json" responses as UTF-16BE/LE

Browse source 
https://infra.spec.whatwg.org/#parse-json-from-bytes says to use
"UTF-8 decode" rather than "decode", so UTF-16BE/LE BOM should
not be honored.
This commit is contained in:
Henri Sivonen 2017-11-01 16:50:53 +02:00
parent edb2db55b7
commit 18a52ea0e9
4 changed files with 46 additions and 3 deletions
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19
tests/wpt/web-platform-tests/XMLHttpRequest/no-utf16-json.htm Normal file
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@ -0,0 +1,19 @@
<!doctype html>
<meta charset=utf-8>
<title>XMLHttpRequest: responseType "json" should be decoded as UTF-8 even when there's a UTF-16 BOM</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://infra.spec.whatwg.org/#parse-json-from-bytes" data-tested-assertations="following::ol/li[1]" />
<div id="log"></div>
<script>
async_test(function() {
var client = new XMLHttpRequest();
client.responseType = 'json';
client.onload = this.step_func_done(function(e) {
assert_equals(client.response, null);
});
client.open("GET", "resources/utf16-bom.json");
client.send(null);
}, 'JSON asa UTF-16 with BOM should decode as UTF-8 (and, therefore, fail)');
</script>

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tests/wpt/web-platform-tests/XMLHttpRequest/resources/utf16-bom.json Normal file
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