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"use strict";
const { HttpServer } = ChromeUtils.importESModule(
"resource://testing-common/httpd.sys.mjs"
);
var httpserver = null;
function make_channel(url) {
return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
}
const responseBody = "response body";
function cachedHandler(metadata, response) {
var body = responseBody;
if (metadata.hasHeader("Range")) {
var matches = metadata
.getHeader("Range")
.match(/^\s*bytes=(\d+)?-(\d+)?\s*$/);
var from = matches[1] === undefined ? 0 : matches[1];
var to = matches[2] === undefined ? responseBody.length - 1 : matches[2];
if (from >= responseBody.length) {
response.setStatusLine(metadata.httpVersion, 416, "Start pos too high");
response.setHeader("Content-Range", "*/" + responseBody.length, false);
return;
}
body = responseBody.slice(from, to + 1);
// always respond to successful range requests with 206
response.setStatusLine(metadata.httpVersion, 206, "Partial Content");
response.setHeader(
"Content-Range",
from + "-" + to + "/" + responseBody.length,
false
);
}
response.setHeader("Content-Type", "text/plain", false);
response.setHeader("ETag", "Just testing");
response.setHeader("Accept-Ranges", "bytes");
response.bodyOutputStream.write(body, body.length);
}
function Canceler(continueFn) {
this.continueFn = continueFn;
}
Canceler.prototype = {
QueryInterface: ChromeUtils.generateQI([
"nsIStreamListener",
"nsIRequestObserver",
]),
onStartRequest() {},
onDataAvailable(request) {
request.QueryInterface(Ci.nsIChannel).cancel(Cr.NS_BINDING_ABORTED);
},
onStopRequest(request, status) {
Assert.equal(status, Cr.NS_BINDING_ABORTED);
this.continueFn();
},
};
function finish_test() {
httpserver.stop(do_test_finished);
}
function start_cache_read() {
var chan = make_channel(
"http://localhost:" + httpserver.identity.primaryPort + "/cached/test.gz"
);
chan.asyncOpen(new ChannelListener(finish_test, null));
}
function start_canceler() {
var chan = make_channel(
"http://localhost:" + httpserver.identity.primaryPort + "/cached/test.gz"
);
chan.asyncOpen(new Canceler(start_cache_read));
}
function run_test() {
httpserver = new HttpServer();
httpserver.registerPathHandler("/cached/test.gz", cachedHandler);
httpserver.start(-1);
var chan = make_channel(
"http://localhost:" + httpserver.identity.primaryPort + "/cached/test.gz"
);
chan.asyncOpen(new ChannelListener(start_canceler, null));
do_test_pending();
}
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