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-rw-r--r--toolkit/components/extensions/test/xpcshell/test_proxy_failover.js323
1 files changed, 323 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/test_proxy_failover.js b/toolkit/components/extensions/test/xpcshell/test_proxy_failover.js
new file mode 100644
index 0000000000..e584f142fa
--- /dev/null
+++ b/toolkit/components/extensions/test/xpcshell/test_proxy_failover.js
@@ -0,0 +1,323 @@
+"use strict";
+
+AddonTestUtils.init(this);
+AddonTestUtils.overrideCertDB();
+AddonTestUtils.createAppInfo(
+ "xpcshell@tests.mozilla.org",
+ "XPCShell",
+ "1",
+ "43"
+);
+
+// Necessary for the pac script to proxy localhost requests
+Services.prefs.setBoolPref("network.proxy.allow_hijacking_localhost", true);
+
+// Pref is not builtin if direct failover is disabled in compile config.
+XPCOMUtils.defineLazyGetter(this, "directFailoverDisabled", () => {
+ return (
+ Services.prefs.getPrefType("network.proxy.failover_direct") ==
+ Ci.nsIPrefBranch.PREF_INVALID
+ );
+});
+
+const { ServiceRequest } = ChromeUtils.importESModule(
+ "resource://gre/modules/ServiceRequest.sys.mjs"
+);
+
+// Prevent the request from reaching out to the network.
+const { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js");
+
+// No hosts defined to avoid the default proxy filter setup.
+const nonProxiedServer = createHttpServer();
+nonProxiedServer.registerPathHandler("/", (request, response) => {
+ response.setStatusLine(request.httpVersion, 200, "OK");
+ response.write("ok!");
+});
+const { primaryHost, primaryPort } = nonProxiedServer.identity;
+
+function getProxyData(channel) {
+ if (!(channel instanceof Ci.nsIProxiedChannel) || !channel.proxyInfo) {
+ return;
+ }
+ let { type, host, port, sourceId } = channel.proxyInfo;
+ return { type, host, port, sourceId };
+}
+
+// Get a free port with no listener to use in the proxyinfo.
+function getBadProxyPort() {
+ let server = new HttpServer();
+ server.start(-1);
+ const badPort = server.identity.primaryPort;
+ server.stop();
+ return badPort;
+}
+
+function xhr(url, options = { beConservative: true, bypassProxy: false }) {
+ return new Promise((resolve, reject) => {
+ let req = new XMLHttpRequest();
+ req.open("GET", `${url}?t=${Math.random()}`);
+ req.channel.QueryInterface(Ci.nsIHttpChannelInternal).beConservative =
+ options.beConservative;
+ req.channel.QueryInterface(Ci.nsIHttpChannelInternal).bypassProxy =
+ options.bypassProxy;
+ req.onload = () => {
+ resolve({ text: req.responseText, proxy: getProxyData(req.channel) });
+ };
+ req.onerror = () => {
+ reject({ status: req.status, proxy: getProxyData(req.channel) });
+ };
+ req.send();
+ });
+}
+
+// Same as the above xhr call, but ServiceRequest is always beConservative.
+// This is here to specifically test bypassProxy with ServiceRequest.
+function serviceRequest(url, options = { bypassProxy: false }) {
+ return new Promise((resolve, reject) => {
+ let req = new ServiceRequest();
+ req.open("GET", `${url}?t=${Math.random()}`, options);
+ req.onload = () => {
+ resolve({ text: req.responseText, proxy: getProxyData(req.channel) });
+ };
+ req.onerror = () => {
+ reject({ status: req.status, proxy: getProxyData(req.channel) });
+ };
+ req.send();
+ });
+}
+
+add_task(async function setup() {
+ await AddonTestUtils.promiseStartupManager();
+});
+
+async function getProxyExtension(proxyDetails) {
+ async function background(proxyDetails) {
+ browser.proxy.onRequest.addListener(
+ details => {
+ return proxyDetails;
+ },
+ { urls: ["<all_urls>"] }
+ );
+
+ browser.test.sendMessage("proxied");
+ }
+ let extensionData = {
+ manifest: {
+ permissions: ["proxy", "<all_urls>"],
+ },
+ background: `(${background})(${JSON.stringify(proxyDetails)})`,
+ incognitoOverride: "spanning",
+ useAddonManager: "temporary",
+ };
+
+ let extension = ExtensionTestUtils.loadExtension(extensionData);
+ await extension.startup();
+ await extension.awaitMessage("proxied");
+ return extension;
+}
+
+add_task(async function test_failover_content_direct() {
+ // load a content page for fetch and non-system principal, expect
+ // failover to direct will work.
+ const proxyDetails = [
+ { type: "http", host: "127.0.0.1", port: getBadProxyPort() },
+ { type: "direct" },
+ ];
+
+ // We need to load the content page before loading the proxy extension
+ // to ensure that we have a valid content page to run fetch from.
+ let contentUrl = `http://${primaryHost}:${primaryPort}/`;
+ let page = await ExtensionTestUtils.loadContentPage(contentUrl);
+
+ let extension = await getProxyExtension(proxyDetails);
+
+ await ExtensionTestUtils.fetch(contentUrl, `${contentUrl}?t=${Math.random()}`)
+ .then(text => {
+ equal(text, "ok!", "fetch completed");
+ })
+ .catch(() => {
+ ok(false, "fetch failed");
+ });
+
+ await extension.unload();
+ await page.close();
+});
+
+add_task(
+ { skip_if: () => directFailoverDisabled },
+ async function test_failover_content() {
+ // load a content page for fetch and non-system principal, expect
+ // no failover
+ const proxyDetails = [
+ { type: "http", host: "127.0.0.1", port: getBadProxyPort() },
+ ];
+
+ // We need to load the content page before loading the proxy extension
+ // to ensure that we have a valid content page to run fetch from.
+ let contentUrl = `http://${primaryHost}:${primaryPort}/`;
+ let page = await ExtensionTestUtils.loadContentPage(contentUrl);
+
+ let extension = await getProxyExtension(proxyDetails);
+
+ await ExtensionTestUtils.fetch(
+ contentUrl,
+ `${contentUrl}?t=${Math.random()}`
+ )
+ .then(text => {
+ ok(false, "xhr unexpectedly completed");
+ })
+ .catch(e => {
+ equal(
+ e.message,
+ "NetworkError when attempting to fetch resource.",
+ "fetch failed"
+ );
+ });
+
+ await extension.unload();
+ await page.close();
+ }
+);
+
+add_task(
+ { skip_if: () => directFailoverDisabled },
+ async function test_failover_system() {
+ const proxyDetails = [
+ { type: "http", host: "127.0.0.1", port: getBadProxyPort() },
+ { type: "http", host: "127.0.0.1", port: getBadProxyPort() },
+ ];
+
+ let extension = await getProxyExtension(proxyDetails);
+
+ await xhr(`http://${primaryHost}:${primaryPort}/`)
+ .then(req => {
+ equal(req.proxy.type, "direct", "proxy failover to direct");
+ equal(req.text, "ok!", "xhr completed");
+ })
+ .catch(req => {
+ ok(false, "xhr failed");
+ });
+
+ await extension.unload();
+ }
+);
+
+add_task(
+ {
+ skip_if: () =>
+ AppConstants.platform === "android" || directFailoverDisabled,
+ },
+ async function test_failover_pac() {
+ const badPort = getBadProxyPort();
+
+ async function background(badPort) {
+ let pac = `function FindProxyForURL(url, host) { return "PROXY 127.0.0.1:${badPort}"; }`;
+ let proxySettings = {
+ proxyType: "autoConfig",
+ autoConfigUrl: `data:application/x-ns-proxy-autoconfig;charset=utf-8,${encodeURIComponent(
+ pac
+ )}`,
+ };
+
+ await browser.proxy.settings.set({ value: proxySettings });
+ browser.test.sendMessage("proxied");
+ }
+ let extensionData = {
+ manifest: {
+ permissions: ["proxy", "<all_urls>"],
+ },
+ background: `(${background})(${badPort})`,
+ incognitoOverride: "spanning",
+ useAddonManager: "temporary",
+ };
+
+ let extension = ExtensionTestUtils.loadExtension(extensionData);
+ await extension.startup();
+ await extension.awaitMessage("proxied");
+ equal(
+ Services.prefs.getIntPref("network.proxy.type"),
+ 2,
+ "autoconfig type set"
+ );
+ ok(
+ Services.prefs.getStringPref("network.proxy.autoconfig_url"),
+ "autoconfig url set"
+ );
+
+ await xhr(`http://${primaryHost}:${primaryPort}/`)
+ .then(req => {
+ equal(req.proxy.type, "direct", "proxy failover to direct");
+ equal(req.text, "ok!", "xhr completed");
+ })
+ .catch(() => {
+ ok(false, "xhr failed");
+ });
+
+ await extension.unload();
+ }
+);
+
+add_task(async function test_bypass_proxy() {
+ const proxyDetails = [
+ { type: "http", host: "127.0.0.1", port: getBadProxyPort() },
+ ];
+
+ let extension = await getProxyExtension(proxyDetails);
+
+ await xhr(`http://${primaryHost}:${primaryPort}/`, { bypassProxy: true })
+ .then(req => {
+ equal(req.proxy, undefined, "no proxy used");
+ ok(true, "xhr completed");
+ })
+ .catch(req => {
+ equal(req.proxy, undefined, "no proxy used");
+ ok(false, "xhr error");
+ });
+
+ await extension.unload();
+});
+
+add_task(async function test_bypass_proxy() {
+ const proxyDetails = [
+ { type: "http", host: "127.0.0.1", port: getBadProxyPort() },
+ ];
+
+ let extension = await getProxyExtension(proxyDetails);
+
+ await serviceRequest(`http://${primaryHost}:${primaryPort}/`, {
+ bypassProxy: true,
+ })
+ .then(req => {
+ equal(req.proxy, undefined, "no proxy used");
+ ok(true, "xhr completed");
+ })
+ .catch(req => {
+ equal(req.proxy, undefined, "no proxy used");
+ ok(false, "xhr error");
+ });
+
+ await extension.unload();
+});
+
+add_task(async function test_failover_system_off() {
+ // Test test failover failures, uncomment and set pref to false
+ Services.prefs.setBoolPref("network.proxy.failover_direct", false);
+
+ const proxyDetails = [
+ { type: "http", host: "127.0.0.1", port: getBadProxyPort() },
+ ];
+
+ let extension = await getProxyExtension(proxyDetails);
+
+ await xhr(`http://${primaryHost}:${primaryPort}/`)
+ .then(req => {
+ equal(req.proxy.sourceId, extension.id, "extension matches");
+ ok(false, "xhr completed");
+ })
+ .catch(req => {
+ equal(req.proxy.sourceId, extension.id, "extension matches");
+ equal(req.status, 0, "xhr failed");
+ });
+
+ await extension.unload();
+});
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