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"use strict";
const defaultOriginAttributes = {};
const mainThread = Services.tm.currentThread;
const overrideService = Cc[
"@mozilla.org/network/native-dns-override;1"
].getService(Ci.nsINativeDNSResolverOverride);
class Listener {
constructor() {
this.promise = new Promise(resolve => {
this.resolve = resolve;
});
}
onLookupComplete(inRequest, inRecord, inStatus) {
this.resolve([inRequest, inRecord, inStatus]);
}
then() {
return this.promise.then.apply(this.promise, arguments);
}
}
Listener.prototype.QueryInterface = ChromeUtils.generateQI(["nsIDNSListener"]);
const DOMAIN_IDN = "bücher.org";
const ACE_IDN = "xn--bcher-kva.org";
const ADDR1 = "127.0.0.1";
const ADDR2 = "::1";
add_task(async function test_dns_localhost() {
let listener = new Listener();
Services.dns.asyncResolve(
"localhost",
Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
0,
null, // resolverInfo
listener,
mainThread,
defaultOriginAttributes
);
let [, inRecord] = await listener;
inRecord.QueryInterface(Ci.nsIDNSAddrRecord);
let answer = inRecord.getNextAddrAsString();
Assert.ok(answer == ADDR1 || answer == ADDR2);
});
add_task(async function test_idn_cname() {
let listener = new Listener();
Services.dns.asyncResolve(
DOMAIN_IDN,
Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
Ci.nsIDNSService.RESOLVE_CANONICAL_NAME,
null, // resolverInfo
listener,
mainThread,
defaultOriginAttributes
);
let [, inRecord] = await listener;
inRecord.QueryInterface(Ci.nsIDNSAddrRecord);
Assert.equal(inRecord.canonicalName, ACE_IDN, "IDN is returned as punycode");
});
add_task(
{
skip_if: () =>
Services.appinfo.processType != Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT,
},
async function test_long_domain() {
let listener = new Listener();
let domain = "a".repeat(253);
overrideService.addIPOverride(domain, "1.2.3.4");
Services.dns.asyncResolve(
domain,
Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
Ci.nsIDNSService.RESOLVE_CANONICAL_NAME,
null, // resolverInfo
listener,
mainThread,
defaultOriginAttributes
);
let [, , inStatus] = await listener;
Assert.equal(inStatus, Cr.NS_OK);
listener = new Listener();
domain = "a".repeat(254);
overrideService.addIPOverride(domain, "1.2.3.4");
Services.prefs.setBoolPref("network.dns.limit_253_chars", true);
if (mozinfo.socketprocess_networking) {
// When using the socket process, the call fails asynchronously.
Services.dns.asyncResolve(
domain,
Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
Ci.nsIDNSService.RESOLVE_CANONICAL_NAME,
null, // resolverInfo
listener,
mainThread,
defaultOriginAttributes
);
let [, , inStatus] = await listener;
Assert.equal(inStatus, Cr.NS_ERROR_UNKNOWN_HOST);
} else {
Assert.throws(
() => {
Services.dns.asyncResolve(
domain,
Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
Ci.nsIDNSService.RESOLVE_CANONICAL_NAME,
null, // resolverInfo
listener,
mainThread,
defaultOriginAttributes
);
},
/NS_ERROR_UNKNOWN_HOST/,
"Should throw for large domains"
);
}
listener = new Listener();
domain = "a".repeat(254);
Services.prefs.setBoolPref("network.dns.limit_253_chars", false);
Services.dns.asyncResolve(
domain,
Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
Ci.nsIDNSService.RESOLVE_CANONICAL_NAME,
null, // resolverInfo
listener,
mainThread,
defaultOriginAttributes
);
[, , inStatus] = await listener;
Assert.equal(inStatus, Cr.NS_OK);
Services.prefs.clearUserPref("network.dns.limit_253_chars");
overrideService.clearOverrides();
}
);
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