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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// This test file makes sure that we can decode brotli files when the
// Content-Type header is missing (Bug 1715401)
"use strict";
function emptyBrotli(metadata, response) {
response.setHeader("Content-Encoding", "br", false);
response.write("\x01\x03\x06\x03");
}
function largeEmptyBrotli(metadata, response) {
response.setHeader("Content-Encoding", "br", false);
response.write("\x01\x03" + "\x06".repeat(600) + "\x03");
}
const { HttpServer } = ChromeUtils.importESModule(
"resource://testing-common/httpd.sys.mjs"
);
ChromeUtils.defineLazyGetter(this, "URL_EMPTY_BROTLI", function () {
return (
"http://localhost:" + httpServer.identity.primaryPort + "/empty-brotli"
);
});
ChromeUtils.defineLazyGetter(this, "URL_LARGE_EMPTY_BROTLI", function () {
return (
"http://localhost:" +
httpServer.identity.primaryPort +
"/large-empty-brotli"
);
});
var httpServer = null;
add_task(async function check_brotli() {
httpServer = new HttpServer();
httpServer.registerPathHandler("/empty-brotli", emptyBrotli);
httpServer.registerPathHandler("/large-empty-brotli", largeEmptyBrotli);
httpServer.start(-1);
async function test(url) {
let chan = NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
let [, response] = await new Promise(resolve => {
chan.asyncOpen(
new ChannelListener(
(req, buff) => {
resolve([req, buff]);
},
null,
CL_IGNORE_CL
)
);
});
return response;
}
equal(
await test(URL_EMPTY_BROTLI),
"",
"Should decode brotli even when brotli output is empty"
);
equal(
await test(URL_LARGE_EMPTY_BROTLI),
"",
"Should decode brotli even when the nsUnknownDecoder can't get any decoded output"
);
Services.prefs.clearUserPref("network.http.accept-encoding");
Services.prefs.clearUserPref("network.http.encoding.trustworthy_is_https");
await httpServer.stop();
});
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