Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1071 insertions, 0 deletions

diff --git a/netwerk/test/unit/test_protocolproxyservice.js b/netwerk/test/unit/test_protocolproxyservice.js
new file mode 100644
index 0000000000..64472651f6
--- /dev/null
+++ b/netwerk/test/unit/test_protocolproxyservice.js
@@ -0,0 +1,1071 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et: */
+/* 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 testcase exercises the Protocol Proxy Service
+
+// These are the major sub tests:
+// run_filter_test();
+// run_filter_test2()
+// run_filter_test3()
+// run_pref_test();
+// run_pac_test();
+// run_pac_cancel_test();
+// run_proxy_host_filters_test();
+// run_myipaddress_test();
+// run_failed_script_test();
+// run_isresolvable_test();
+
+"use strict";
+
+var ios = Services.io;
+var pps = Cc["@mozilla.org/network/protocol-proxy-service;1"].getService();
+var prefs = Services.prefs;
+var again = true;
+
+/**
+ * Test nsIProtocolHandler that allows proxying, but doesn't allow HTTP
+ * proxying.
+ */
+function TestProtocolHandler() {}
+TestProtocolHandler.prototype = {
+  QueryInterface: ChromeUtils.generateQI(["nsIProtocolHandler"]),
+  scheme: "moz-test",
+  defaultPort: -1,
+  protocolFlags:
+    Ci.nsIProtocolHandler.URI_NOAUTH |
+    Ci.nsIProtocolHandler.URI_NORELATIVE |
+    Ci.nsIProtocolHandler.ALLOWS_PROXY |
+    Ci.nsIProtocolHandler.URI_DANGEROUS_TO_LOAD,
+  newChannel(uri, aLoadInfo) {
+    throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
+  },
+  allowPort(port, scheme) {
+    return true;
+  },
+};
+
+function TestProtocolHandlerFactory() {}
+TestProtocolHandlerFactory.prototype = {
+  createInstance(iid) {
+    return new TestProtocolHandler().QueryInterface(iid);
+  },
+};
+
+function register_test_protocol_handler() {
+  var reg = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
+  reg.registerFactory(
+    Components.ID("{4ea7dd3a-8cae-499c-9f18-e1de773ca25b}"),
+    "TestProtocolHandler",
+    "@mozilla.org/network/protocol;1?name=moz-test",
+    new TestProtocolHandlerFactory()
+  );
+}
+
+function check_proxy(pi, type, host, port, flags, timeout, hasNext) {
+  Assert.notEqual(pi, null);
+  Assert.equal(pi.type, type);
+  Assert.equal(pi.host, host);
+  Assert.equal(pi.port, port);
+  if (flags != -1) {
+    Assert.equal(pi.flags, flags);
+  }
+  if (timeout != -1) {
+    Assert.equal(pi.failoverTimeout, timeout);
+  }
+  if (hasNext) {
+    Assert.notEqual(pi.failoverProxy, null);
+  } else {
+    Assert.equal(pi.failoverProxy, null);
+  }
+}
+
+function TestFilter(type, host, port, flags, timeout) {
+  this._type = type;
+  this._host = host;
+  this._port = port;
+  this._flags = flags;
+  this._timeout = timeout;
+}
+TestFilter.prototype = {
+  _type: "",
+  _host: "",
+  _port: -1,
+  _flags: 0,
+  _timeout: 0,
+  QueryInterface: ChromeUtils.generateQI(["nsIProtocolProxyFilter"]),
+  applyFilter(uri, pi, cb) {
+    var pi_tail = pps.newProxyInfo(
+      this._type,
+      this._host,
+      this._port,
+      "",
+      "",
+      this._flags,
+      this._timeout,
+      null
+    );
+    if (pi) {
+      pi.failoverProxy = pi_tail;
+    } else {
+      pi = pi_tail;
+    }
+    cb.onProxyFilterResult(pi);
+  },
+};
+
+function BasicFilter() {}
+BasicFilter.prototype = {
+  QueryInterface: ChromeUtils.generateQI(["nsIProtocolProxyFilter"]),
+  applyFilter(uri, pi, cb) {
+    cb.onProxyFilterResult(
+      pps.newProxyInfo(
+        "http",
+        "localhost",
+        8080,
+        "",
+        "",
+        0,
+        10,
+        pps.newProxyInfo("direct", "", -1, "", "", 0, 0, null)
+      )
+    );
+  },
+};
+
+function BasicChannelFilter() {}
+BasicChannelFilter.prototype = {
+  QueryInterface: ChromeUtils.generateQI(["nsIProtocolProxyChannelFilter"]),
+  applyFilter(channel, pi, cb) {
+    cb.onProxyFilterResult(
+      pps.newProxyInfo(
+        "http",
+        channel.URI.host,
+        7777,
+        "",
+        "",
+        0,
+        10,
+        pps.newProxyInfo("direct", "", -1, "", "", 0, 0, null)
+      )
+    );
+  },
+};
+
+function resolveCallback() {}
+resolveCallback.prototype = {
+  nextFunction: null,
+
+  QueryInterface: ChromeUtils.generateQI(["nsIProtocolProxyCallback"]),
+
+  onProxyAvailable(req, channel, pi, status) {
+    this.nextFunction(pi);
+  },
+};
+
+function run_filter_test() {
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+
+  // Verify initial state
+  var cb = new resolveCallback();
+  cb.nextFunction = filter_test0_1;
+  pps.asyncResolve(channel, 0, cb);
+}
+
+var filter01;
+var filter02;
+
+function filter_test0_1(pi) {
+  Assert.equal(pi, null);
+
+  // Push a filter and verify the results
+
+  filter01 = new BasicFilter();
+  filter02 = new BasicFilter();
+  pps.registerFilter(filter01, 10);
+  pps.registerFilter(filter02, 20);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = filter_test0_2;
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function filter_test0_2(pi) {
+  check_proxy(pi, "http", "localhost", 8080, 0, 10, true);
+  check_proxy(pi.failoverProxy, "direct", "", -1, 0, 0, false);
+
+  pps.unregisterFilter(filter02);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = filter_test0_3;
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function filter_test0_3(pi) {
+  check_proxy(pi, "http", "localhost", 8080, 0, 10, true);
+  check_proxy(pi.failoverProxy, "direct", "", -1, 0, 0, false);
+
+  // Remove filter and verify that we return to the initial state
+
+  pps.unregisterFilter(filter01);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = filter_test0_4;
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  pps.asyncResolve(channel, 0, cb);
+}
+
+var filter03;
+
+function filter_test0_4(pi) {
+  Assert.equal(pi, null);
+  filter03 = new BasicChannelFilter();
+  pps.registerChannelFilter(filter03, 10);
+  var cb = new resolveCallback();
+  cb.nextFunction = filter_test0_5;
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function filter_test0_5(pi) {
+  pps.unregisterChannelFilter(filter03);
+  check_proxy(pi, "http", "www.mozilla.org", 7777, 0, 10, true);
+  check_proxy(pi.failoverProxy, "direct", "", -1, 0, 0, false);
+  run_filter_test_uri();
+}
+
+function run_filter_test_uri() {
+  var cb = new resolveCallback();
+  cb.nextFunction = filter_test_uri0_1;
+  var uri = ios.newURI("http://www.mozilla.org/");
+  pps.asyncResolve(uri, 0, cb);
+}
+
+function filter_test_uri0_1(pi) {
+  Assert.equal(pi, null);
+
+  // Push a filter and verify the results
+
+  filter01 = new BasicFilter();
+  filter02 = new BasicFilter();
+  pps.registerFilter(filter01, 10);
+  pps.registerFilter(filter02, 20);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = filter_test_uri0_2;
+  var uri = ios.newURI("http://www.mozilla.org/");
+  pps.asyncResolve(uri, 0, cb);
+}
+
+function filter_test_uri0_2(pi) {
+  check_proxy(pi, "http", "localhost", 8080, 0, 10, true);
+  check_proxy(pi.failoverProxy, "direct", "", -1, 0, 0, false);
+
+  pps.unregisterFilter(filter02);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = filter_test_uri0_3;
+  var uri = ios.newURI("http://www.mozilla.org/");
+  pps.asyncResolve(uri, 0, cb);
+}
+
+function filter_test_uri0_3(pi) {
+  check_proxy(pi, "http", "localhost", 8080, 0, 10, true);
+  check_proxy(pi.failoverProxy, "direct", "", -1, 0, 0, false);
+
+  // Remove filter and verify that we return to the initial state
+
+  pps.unregisterFilter(filter01);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = filter_test_uri0_4;
+  var uri = ios.newURI("http://www.mozilla.org/");
+  pps.asyncResolve(uri, 0, cb);
+}
+
+function filter_test_uri0_4(pi) {
+  Assert.equal(pi, null);
+  run_filter_test2();
+}
+
+var filter11;
+var filter12;
+
+function run_filter_test2() {
+  // Push a filter and verify the results
+
+  filter11 = new TestFilter("http", "foo", 8080, 0, 10);
+  filter12 = new TestFilter("http", "bar", 8090, 0, 10);
+  pps.registerFilter(filter11, 20);
+  pps.registerFilter(filter12, 10);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = filter_test1_1;
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function filter_test1_1(pi) {
+  check_proxy(pi, "http", "bar", 8090, 0, 10, true);
+  check_proxy(pi.failoverProxy, "http", "foo", 8080, 0, 10, false);
+
+  pps.unregisterFilter(filter12);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = filter_test1_2;
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function filter_test1_2(pi) {
+  check_proxy(pi, "http", "foo", 8080, 0, 10, false);
+
+  // Remove filter and verify that we return to the initial state
+
+  pps.unregisterFilter(filter11);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = filter_test1_3;
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function filter_test1_3(pi) {
+  Assert.equal(pi, null);
+  run_filter_test3();
+}
+
+var filter_3_1;
+
+function run_filter_test3() {
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  // Push a filter and verify the results asynchronously
+
+  filter_3_1 = new TestFilter("http", "foo", 8080, 0, 10);
+  pps.registerFilter(filter_3_1, 20);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = filter_test3_1;
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function filter_test3_1(pi) {
+  check_proxy(pi, "http", "foo", 8080, 0, 10, false);
+  pps.unregisterFilter(filter_3_1);
+  run_pref_test();
+}
+
+function run_pref_test() {
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  // Verify 'direct' setting
+
+  prefs.setIntPref("network.proxy.type", 0);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = pref_test1_1;
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function pref_test1_1(pi) {
+  Assert.equal(pi, null);
+
+  // Verify 'manual' setting
+  prefs.setIntPref("network.proxy.type", 1);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = pref_test1_2;
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function pref_test1_2(pi) {
+  // nothing yet configured
+  Assert.equal(pi, null);
+
+  // try HTTP configuration
+  prefs.setCharPref("network.proxy.http", "foopy");
+  prefs.setIntPref("network.proxy.http_port", 8080);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = pref_test1_3;
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function pref_test1_3(pi) {
+  check_proxy(pi, "http", "foopy", 8080, 0, -1, false);
+
+  prefs.setCharPref("network.proxy.http", "");
+  prefs.setIntPref("network.proxy.http_port", 0);
+
+  // try SOCKS configuration
+  prefs.setCharPref("network.proxy.socks", "barbar");
+  prefs.setIntPref("network.proxy.socks_port", 1203);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = pref_test1_4;
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function pref_test1_4(pi) {
+  check_proxy(pi, "socks", "barbar", 1203, 0, -1, false);
+  run_pac_test();
+}
+
+function TestResolveCallback(type, nexttest) {
+  this.type = type;
+  this.nexttest = nexttest;
+}
+TestResolveCallback.prototype = {
+  QueryInterface: ChromeUtils.generateQI(["nsIProtocolProxyCallback"]),
+
+  onProxyAvailable: function TestResolveCallback_onProxyAvailable(
+    req,
+    channel,
+    pi,
+    status
+  ) {
+    dump("*** channelURI=" + channel.URI.spec + ", status=" + status + "\n");
+
+    if (this.type == null) {
+      Assert.equal(pi, null);
+    } else {
+      Assert.notEqual(req, null);
+      Assert.notEqual(channel, null);
+      Assert.equal(status, 0);
+      Assert.notEqual(pi, null);
+      check_proxy(pi, this.type, "foopy", 8080, 0, -1, true);
+      check_proxy(pi.failoverProxy, "direct", "", -1, -1, -1, false);
+    }
+
+    this.nexttest();
+  },
+};
+
+var originalTLSProxy;
+
+function run_pac_test() {
+  var pac =
+    "data:text/plain," +
+    "function FindProxyForURL(url, host) {" +
+    '  return "PROXY foopy:8080; DIRECT";' +
+    "}";
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  // Configure PAC
+
+  prefs.setIntPref("network.proxy.type", 2);
+  prefs.setCharPref("network.proxy.autoconfig_url", pac);
+  pps.asyncResolve(channel, 0, new TestResolveCallback("http", run_pac2_test));
+}
+
+function run_pac2_test() {
+  var pac =
+    "data:text/plain," +
+    "function FindProxyForURL(url, host) {" +
+    '  return "HTTPS foopy:8080; DIRECT";' +
+    "}";
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  // Configure PAC
+  originalTLSProxy = prefs.getBoolPref("network.proxy.proxy_over_tls");
+
+  prefs.setCharPref("network.proxy.autoconfig_url", pac);
+  prefs.setBoolPref("network.proxy.proxy_over_tls", true);
+
+  pps.asyncResolve(channel, 0, new TestResolveCallback("https", run_pac3_test));
+}
+
+function run_pac3_test() {
+  var pac =
+    "data:text/plain," +
+    "function FindProxyForURL(url, host) {" +
+    '  return "HTTPS foopy:8080; DIRECT";' +
+    "}";
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  // Configure PAC
+  prefs.setCharPref("network.proxy.autoconfig_url", pac);
+  prefs.setBoolPref("network.proxy.proxy_over_tls", false);
+
+  pps.asyncResolve(channel, 0, new TestResolveCallback(null, run_pac4_test));
+}
+
+function run_pac4_test() {
+  // Bug 1251332
+  let wRange = [
+    ["SUN", "MON", "SAT", "MON"], // for Sun
+    ["SUN", "TUE", "SAT", "TUE"], // for Mon
+    ["MON", "WED", "SAT", "WED"], // for Tue
+    ["TUE", "THU", "SAT", "THU"], // for Wed
+    ["WED", "FRI", "WED", "SUN"], // for Thu
+    ["THU", "SAT", "THU", "SUN"], // for Fri
+    ["FRI", "SAT", "FRI", "SUN"], // for Sat
+  ];
+  let today = new Date().getDay();
+  var pac =
+    "data:text/plain," +
+    "function FindProxyForURL(url, host) {" +
+    '  if (weekdayRange("' +
+    wRange[today][0] +
+    '", "' +
+    wRange[today][1] +
+    '") &&' +
+    '      weekdayRange("' +
+    wRange[today][2] +
+    '", "' +
+    wRange[today][3] +
+    '")) {' +
+    '    return "PROXY foopy:8080; DIRECT";' +
+    "  }" +
+    "}";
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  // Configure PAC
+
+  prefs.setIntPref("network.proxy.type", 2);
+  prefs.setCharPref("network.proxy.autoconfig_url", pac);
+  pps.asyncResolve(
+    channel,
+    0,
+    new TestResolveCallback("http", run_utf8_pac_test)
+  );
+}
+
+function run_utf8_pac_test() {
+  var pac =
+    "data:text/plain;charset=UTF-8," +
+    "function FindProxyForURL(url, host) {" +
+    "  /*" +
+    "   U+00A9 COPYRIGHT SIGN: %C2%A9," +
+    "   U+0B87 TAMIL LETTER I: %E0%AE%87," +
+    "   U+10398 UGARITIC LETTER THANNA: %F0%90%8E%98 " +
+    "  */" +
+    '  var multiBytes = "%C2%A9 %E0%AE%87 %F0%90%8E%98"; ' +
+    "  /* 6 UTF-16 units above if PAC script run as UTF-8; 11 units if run as Latin-1 */ " +
+    "  return multiBytes.length === 6 " +
+    '         ? "PROXY foopy:8080; DIRECT" ' +
+    '         : "PROXY epicfail-utf8:12345; DIRECT";' +
+    "}";
+
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+
+  // Configure PAC
+  prefs.setIntPref("network.proxy.type", 2);
+  prefs.setCharPref("network.proxy.autoconfig_url", pac);
+
+  pps.asyncResolve(
+    channel,
+    0,
+    new TestResolveCallback("http", run_latin1_pac_test)
+  );
+}
+
+function run_latin1_pac_test() {
+  var pac =
+    "data:text/plain," +
+    "function FindProxyForURL(url, host) {" +
+    "  /* A too-long encoding of U+0000, so not valid UTF-8 */ " +
+    '  var multiBytes = "%C0%80"; ' +
+    "  /* 2 UTF-16 units because interpreted as Latin-1 */ " +
+    "  return multiBytes.length === 2 " +
+    '         ? "PROXY foopy:8080; DIRECT" ' +
+    '         : "PROXY epicfail-latin1:12345; DIRECT";' +
+    "}";
+
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+
+  // Configure PAC
+  prefs.setIntPref("network.proxy.type", 2);
+  prefs.setCharPref("network.proxy.autoconfig_url", pac);
+
+  pps.asyncResolve(
+    channel,
+    0,
+    new TestResolveCallback("http", finish_pac_test)
+  );
+}
+
+function finish_pac_test() {
+  prefs.setBoolPref("network.proxy.proxy_over_tls", originalTLSProxy);
+  run_pac_cancel_test();
+}
+
+function TestResolveCancelationCallback() {}
+TestResolveCancelationCallback.prototype = {
+  QueryInterface: ChromeUtils.generateQI(["nsIProtocolProxyCallback"]),
+
+  onProxyAvailable: function TestResolveCancelationCallback_onProxyAvailable(
+    req,
+    channel,
+    pi,
+    status
+  ) {
+    dump("*** channelURI=" + channel.URI.spec + ", status=" + status + "\n");
+
+    Assert.notEqual(req, null);
+    Assert.notEqual(channel, null);
+    Assert.equal(status, Cr.NS_ERROR_ABORT);
+    Assert.equal(pi, null);
+
+    prefs.setCharPref("network.proxy.autoconfig_url", "");
+    prefs.setIntPref("network.proxy.type", 0);
+
+    run_proxy_host_filters_test();
+  },
+};
+
+function run_pac_cancel_test() {
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  // Configure PAC
+  var pac =
+    "data:text/plain," +
+    "function FindProxyForURL(url, host) {" +
+    '  return "PROXY foopy:8080; DIRECT";' +
+    "}";
+  prefs.setIntPref("network.proxy.type", 2);
+  prefs.setCharPref("network.proxy.autoconfig_url", pac);
+
+  var req = pps.asyncResolve(channel, 0, new TestResolveCancelationCallback());
+  req.cancel(Cr.NS_ERROR_ABORT);
+}
+
+var hostList;
+var hostIDX;
+var bShouldBeFiltered;
+var hostNextFX;
+
+function check_host_filters(hl, shouldBe, nextFX) {
+  hostList = hl;
+  hostIDX = 0;
+  bShouldBeFiltered = shouldBe;
+  hostNextFX = nextFX;
+
+  if (hostList.length > hostIDX) {
+    check_host_filter(hostIDX);
+  }
+}
+
+function check_host_filters_cb() {
+  hostIDX++;
+  if (hostList.length > hostIDX) {
+    check_host_filter(hostIDX);
+  } else {
+    hostNextFX();
+  }
+}
+
+function check_host_filter(i) {
+  dump(
+    "*** uri=" + hostList[i] + " bShouldBeFiltered=" + bShouldBeFiltered + "\n"
+  );
+  var channel = NetUtil.newChannel({
+    uri: hostList[i],
+    loadUsingSystemPrincipal: true,
+  });
+  var cb = new resolveCallback();
+  cb.nextFunction = host_filter_cb;
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function host_filter_cb(proxy) {
+  if (bShouldBeFiltered) {
+    Assert.equal(proxy, null);
+  } else {
+    Assert.notEqual(proxy, null);
+    // Just to be sure, let's check that the proxy is correct
+    // - this should match the proxy setup in the calling function
+    check_proxy(proxy, "http", "foopy", 8080, 0, -1, false);
+  }
+  check_host_filters_cb();
+}
+
+// Verify that hists in the host filter list are not proxied
+// refers to "network.proxy.no_proxies_on"
+
+var uriStrUseProxyList;
+var hostFilterList;
+var uriStrFilterList;
+
+function run_proxy_host_filters_test() {
+  // Get prefs object from DOM
+  // Setup a basic HTTP proxy configuration
+  // - pps.resolve() needs this to return proxy info for non-filtered hosts
+  prefs.setIntPref("network.proxy.type", 1);
+  prefs.setCharPref("network.proxy.http", "foopy");
+  prefs.setIntPref("network.proxy.http_port", 8080);
+
+  // Setup host filter list string for "no_proxies_on"
+  hostFilterList =
+    "www.mozilla.org, www.google.com, www.apple.com, " +
+    ".domain, .domain2.org";
+  prefs.setCharPref("network.proxy.no_proxies_on", hostFilterList);
+  Assert.equal(
+    prefs.getCharPref("network.proxy.no_proxies_on"),
+    hostFilterList
+  );
+
+  // Check the hosts that should be filtered out
+  uriStrFilterList = [
+    "http://www.mozilla.org/",
+    "http://www.google.com/",
+    "http://www.apple.com/",
+    "http://somehost.domain/",
+    "http://someotherhost.domain/",
+    "http://somehost.domain2.org/",
+    "http://somehost.subdomain.domain2.org/",
+  ];
+  check_host_filters(uriStrFilterList, true, host_filters_1);
+}
+
+function host_filters_1() {
+  // Check the hosts that should be proxied
+  uriStrUseProxyList = [
+    "http://www.mozilla.com/",
+    "http://mail.google.com/",
+    "http://somehost.domain.co.uk/",
+    "http://somelocalhost/",
+  ];
+  check_host_filters(uriStrUseProxyList, false, host_filters_2);
+}
+
+function host_filters_2() {
+  // Set no_proxies_on to include local hosts
+  prefs.setCharPref(
+    "network.proxy.no_proxies_on",
+    hostFilterList + ", <local>"
+  );
+  Assert.equal(
+    prefs.getCharPref("network.proxy.no_proxies_on"),
+    hostFilterList + ", <local>"
+  );
+  // Amend lists - move local domain to filtered list
+  uriStrFilterList.push(uriStrUseProxyList.pop());
+  check_host_filters(uriStrFilterList, true, host_filters_3);
+}
+
+function host_filters_3() {
+  check_host_filters(uriStrUseProxyList, false, host_filters_4);
+}
+
+function host_filters_4() {
+  // Cleanup
+  prefs.setCharPref("network.proxy.no_proxies_on", "");
+  Assert.equal(prefs.getCharPref("network.proxy.no_proxies_on"), "");
+
+  run_myipaddress_test();
+}
+
+function run_myipaddress_test() {
+  // This test makes sure myIpAddress() comes up with some valid
+  // IP address other than localhost. The DUT must be configured with
+  // an Internet route for this to work - though no Internet traffic
+  // should be created.
+
+  var pac =
+    "data:text/plain," +
+    "var pacUseMultihomedDNS = true;\n" +
+    "function FindProxyForURL(url, host) {" +
+    ' return "PROXY " + myIpAddress() + ":1234";' +
+    "}";
+
+  // no traffic to this IP is ever sent, it is just a public IP that
+  // does not require DNS to determine a route.
+  var channel = NetUtil.newChannel({
+    uri: "http://192.0.43.10/",
+    loadUsingSystemPrincipal: true,
+  });
+  prefs.setIntPref("network.proxy.type", 2);
+  prefs.setCharPref("network.proxy.autoconfig_url", pac);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = myipaddress_callback;
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function myipaddress_callback(pi) {
+  Assert.notEqual(pi, null);
+  Assert.equal(pi.type, "http");
+  Assert.equal(pi.port, 1234);
+
+  // make sure we didn't return localhost
+  Assert.notEqual(pi.host, null);
+  Assert.notEqual(pi.host, "127.0.0.1");
+  Assert.notEqual(pi.host, "::1");
+
+  run_myipaddress_test_2();
+}
+
+function run_myipaddress_test_2() {
+  // test that myIPAddress() can be used outside of the scope of
+  // FindProxyForURL(). bug 829646.
+
+  var pac =
+    "data:text/plain," +
+    "var pacUseMultihomedDNS = true;\n" +
+    "var myaddr = myIpAddress(); " +
+    "function FindProxyForURL(url, host) {" +
+    ' return "PROXY " + myaddr + ":5678";' +
+    "}";
+
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  prefs.setIntPref("network.proxy.type", 2);
+  prefs.setCharPref("network.proxy.autoconfig_url", pac);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = myipaddress2_callback;
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function myipaddress2_callback(pi) {
+  Assert.notEqual(pi, null);
+  Assert.equal(pi.type, "http");
+  Assert.equal(pi.port, 5678);
+
+  // make sure we didn't return localhost
+  Assert.notEqual(pi.host, null);
+  Assert.notEqual(pi.host, "127.0.0.1");
+  Assert.notEqual(pi.host, "::1");
+
+  run_failed_script_test();
+}
+
+function run_failed_script_test() {
+  // test to make sure we go direct with invalid PAC
+  // eslint-disable-next-line no-useless-concat
+  var pac = "data:text/plain," + "\nfor(;\n";
+
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  prefs.setIntPref("network.proxy.type", 2);
+  prefs.setCharPref("network.proxy.autoconfig_url", pac);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = failed_script_callback;
+  pps.asyncResolve(channel, 0, cb);
+}
+
+var directFilter;
+const TEST_URI = "http://127.0.0.1:7247/";
+
+function failed_script_callback(pi) {
+  // we should go direct
+  Assert.equal(pi, null);
+
+  // test that we honor filters when configured to go direct
+  prefs.setIntPref("network.proxy.type", 0);
+  directFilter = new TestFilter("http", "127.0.0.1", 7246, 0, 0);
+  pps.registerFilter(directFilter, 10);
+
+  // test that on-modify-request contains the proxy info too
+  var obs = Cc["@mozilla.org/observer-service;1"].getService();
+  obs = obs.QueryInterface(Ci.nsIObserverService);
+  obs.addObserver(directFilterListener, "http-on-modify-request");
+
+  var ssm = Services.scriptSecurityManager;
+  let uri = TEST_URI;
+  var chan = NetUtil.newChannel({
+    uri,
+    loadingPrincipal: ssm.createContentPrincipal(Services.io.newURI(uri), {}),
+    securityFlags: Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_INHERITS_SEC_CONTEXT,
+    contentPolicyType: Ci.nsIContentPolicy.TYPE_DOCUMENT,
+  });
+
+  chan.asyncOpen(directFilterListener);
+}
+
+var directFilterListener = {
+  onModifyRequestCalled: false,
+
+  onStartRequest: function test_onStart(request) {},
+  onDataAvailable: function test_OnData() {},
+
+  onStopRequest: function test_onStop(request, status) {
+    // check on the PI from the channel itself
+    request.QueryInterface(Ci.nsIProxiedChannel);
+    check_proxy(request.proxyInfo, "http", "127.0.0.1", 7246, 0, 0, false);
+    pps.unregisterFilter(directFilter);
+
+    // check on the PI from on-modify-request
+    Assert.ok(this.onModifyRequestCalled);
+    var obs = Cc["@mozilla.org/observer-service;1"].getService();
+    obs = obs.QueryInterface(Ci.nsIObserverService);
+    obs.removeObserver(this, "http-on-modify-request");
+
+    run_isresolvable_test();
+  },
+
+  observe(subject, topic, data) {
+    if (
+      topic === "http-on-modify-request" &&
+      subject instanceof Ci.nsIHttpChannel &&
+      subject instanceof Ci.nsIProxiedChannel
+    ) {
+      info("check proxy in observe uri=" + subject.URI.spec);
+      if (subject.URI.spec != TEST_URI) {
+        return;
+      }
+      check_proxy(subject.proxyInfo, "http", "127.0.0.1", 7246, 0, 0, false);
+      this.onModifyRequestCalled = true;
+    }
+  },
+};
+
+function run_isresolvable_test() {
+  // test a non resolvable host in the pac file
+
+  var pac =
+    "data:text/plain," +
+    "function FindProxyForURL(url, host) {" +
+    ' if (isResolvable("nonexistant.lan.onion"))' +
+    '   return "DIRECT";' +
+    ' return "PROXY 127.0.0.1:1234";' +
+    "}";
+
+  var channel = NetUtil.newChannel({
+    uri: "http://www.mozilla.org/",
+    loadUsingSystemPrincipal: true,
+  });
+  prefs.setIntPref("network.proxy.type", 2);
+  prefs.setCharPref("network.proxy.autoconfig_url", pac);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = isresolvable_callback;
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function isresolvable_callback(pi) {
+  Assert.notEqual(pi, null);
+  Assert.equal(pi.type, "http");
+  Assert.equal(pi.port, 1234);
+  Assert.equal(pi.host, "127.0.0.1");
+
+  run_localhost_pac();
+}
+
+function run_localhost_pac() {
+  // test localhost in the pac file
+
+  var pac =
+    "data:text/plain," +
+    "function FindProxyForURL(url, host) {" +
+    ' return "PROXY totallycrazy:1234";' +
+    "}";
+
+  // Use default filter list string for "no_proxies_on" ("localhost, 127.0.0.1")
+  prefs.clearUserPref("network.proxy.no_proxies_on");
+  var channel = NetUtil.newChannel({
+    uri: "http://localhost/",
+    loadUsingSystemPrincipal: true,
+  });
+  prefs.setIntPref("network.proxy.type", 2);
+  prefs.setCharPref("network.proxy.autoconfig_url", pac);
+
+  var cb = new resolveCallback();
+  cb.nextFunction = localhost_callback;
+  pps.asyncResolve(channel, 0, cb);
+}
+
+function localhost_callback(pi) {
+  Assert.equal(pi, null); // no proxy!
+
+  prefs.setIntPref("network.proxy.type", 0);
+
+  if (mozinfo.socketprocess_networking && again) {
+    info("run test again");
+    again = false;
+    cleanUp();
+    prefs.setBoolPref("network.proxy.parse_pac_on_socket_process", true);
+    run_filter_test();
+  } else {
+    cleanUp();
+    do_test_finished();
+  }
+}
+
+function cleanUp() {
+  prefs.clearUserPref("network.proxy.type");
+  prefs.clearUserPref("network.proxy.http");
+  prefs.clearUserPref("network.proxy.http_port");
+  prefs.clearUserPref("network.proxy.socks");
+  prefs.clearUserPref("network.proxy.socks_port");
+  prefs.clearUserPref("network.proxy.autoconfig_url");
+  prefs.clearUserPref("network.proxy.proxy_over_tls");
+  prefs.clearUserPref("network.proxy.no_proxies_on");
+  prefs.clearUserPref("network.proxy.parse_pac_on_socket_process");
+}
+
+function run_test() {
+  register_test_protocol_handler();
+
+  prefs.setBoolPref("network.proxy.parse_pac_on_socket_process", false);
+  // start of asynchronous test chain
+  run_filter_test();
+  do_test_pending();
+}