1 files changed, 198 insertions, 0 deletions
diff --git a/devtools/shared/system.js b/devtools/shared/system.js
new file mode 100644
index 0000000000..1a6988d5b8
--- /dev/null
+++ b/devtools/shared/system.js
@@ -0,0 +1,198 @@
+/* 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/. */
+"use strict";
+
+loader.lazyRequireGetter(
+  this,
+  "DevToolsServer",
+  "resource://devtools/server/devtools-server.js",
+  true
+);
+const lazy = {};
+ChromeUtils.defineESModuleGetters(lazy, {
+  AppConstants: "resource://gre/modules/AppConstants.sys.mjs",
+});
+loader.lazyGetter(this, "hostname", () => {
+  try {
+    // On some platforms (Linux according to try), this service does not exist and fails.
+    return Services.dns.myHostName;
+  } catch (e) {
+    return "";
+  }
+});
+loader.lazyGetter(this, "endianness", () => {
+  if (new Uint32Array(new Uint8Array([1, 2, 3, 4]).buffer)[0] === 0x04030201) {
+    return "LE";
+  }
+  return "BE";
+});
+
+const APP_MAP = {
+  "{ec8030f7-c20a-464f-9b0e-13a3a9e97384}": "firefox",
+  "{3550f703-e582-4d05-9a08-453d09bdfdc6}": "thunderbird",
+  "{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}": "seamonkey",
+  "{718e30fb-e89b-41dd-9da7-e25a45638b28}": "sunbird",
+  "{aa3c5121-dab2-40e2-81ca-7ea25febc110}": "mobile/android",
+};
+
+var CACHED_INFO = null;
+
+function getSystemInfo() {
+  if (CACHED_INFO) {
+    return CACHED_INFO;
+  }
+
+  const appInfo = Services.appinfo;
+  const win = Services.wm.getMostRecentWindow(DevToolsServer.chromeWindowType);
+  const [processor, compiler] = appInfo.XPCOMABI.split("-");
+  let dpi, useragent, width, height, physicalWidth, physicalHeight, brandName;
+  const appid = appInfo.ID;
+  const apptype = APP_MAP[appid];
+  const geckoVersion = appInfo.platformVersion;
+  const hardware = "unknown";
+  let version = "unknown";
+
+  const os = appInfo.OS;
+  version = appInfo.version;
+
+  const bundle = Services.strings.createBundle(
+    "chrome://branding/locale/brand.properties"
+  );
+  if (bundle) {
+    brandName = bundle.GetStringFromName("brandFullName");
+  } else {
+    brandName = null;
+  }
+
+  if (win) {
+    const utils = win.windowUtils;
+    dpi = utils.displayDPI;
+    useragent = win.navigator.userAgent;
+    width = win.screen.width;
+    height = win.screen.height;
+    physicalWidth = win.screen.width * win.devicePixelRatio;
+    physicalHeight = win.screen.height * win.devicePixelRatio;
+  }
+
+  const info = {
+    /**
+     * Information from nsIXULAppInfo, regarding
+     * the application itself.
+     */
+
+    // The XUL application's UUID.
+    appid,
+
+    // Name of the app, "firefox", "thunderbird", etc., listed in APP_MAP
+    apptype,
+
+    // Mixed-case or empty string of vendor, like "Mozilla"
+    vendor: appInfo.vendor,
+
+    // Name of the application, like "Firefox", "Thunderbird".
+    name: appInfo.name,
+
+    // The application's version, for example "0.8.0+" or "3.7a1pre".
+    // Typically, the version of Firefox, for example.
+    // It is different than the version of Gecko or the XULRunner platform.
+    version,
+
+    // The application's build ID/date, for example "2004051604".
+    appbuildid: appInfo.appBuildID,
+
+    // The build ID/date of Gecko and the XULRunner platform.
+    platformbuildid: appInfo.platformBuildID,
+    geckobuildid: appInfo.platformBuildID,
+
+    // The version of Gecko or XULRunner platform, for example "1.8.1.19" or
+    // "1.9.3pre". In "Firefox 3.7 alpha 1" the application version is "3.7a1pre"
+    // while the platform version is "1.9.3pre"
+    platformversion: geckoVersion,
+    geckoversion: geckoVersion,
+
+    // Locale used in this build
+    locale: Services.locale.appLocaleAsBCP47,
+
+    /**
+     * Information regarding the operating system.
+     */
+
+    // Returns the endianness of the architecture: either "LE" or "BE"
+    endianness,
+
+    // Returns the hostname of the machine
+    hostname,
+
+    // Name of the OS type. Typically the same as `uname -s`. Possible values:
+    // https://developer.mozilla.org/en/OS_TARGET
+    os,
+    platform: os,
+
+    // hardware and version info from `deviceinfo.hardware`
+    // and `deviceinfo.os`.
+    hardware,
+
+    // Device name. This property is only available on Android.
+    // e.g. "Pixel 2"
+    deviceName: getDeviceName(),
+
+    // Type of process architecture running:
+    // "arm", "ia32", "x86", "x64"
+    // Alias to both `arch` and `processor` for node/deviceactor compat
+    arch: processor,
+    processor,
+
+    // Name of compiler used for build:
+    // `'msvc', 'n32', 'gcc2', 'gcc3', 'sunc', 'ibmc'...`
+    compiler,
+
+    // Location for the current profile
+    profile: getProfileLocation(),
+
+    // Update channel
+    channel: lazy.AppConstants.MOZ_UPDATE_CHANNEL,
+
+    dpi,
+    useragent,
+    width,
+    height,
+    physicalWidth,
+    physicalHeight,
+    brandName,
+  };
+
+  CACHED_INFO = info;
+  return info;
+}
+
+function getDeviceName() {
+  try {
+    // Will throw on other platforms than Firefox for Android.
+    return Services.sysinfo.getProperty("device");
+  } catch (e) {
+    return null;
+  }
+}
+
+function getProfileLocation() {
+  // In child processes, we cannot access the profile location.
+  try {
+    // For some reason this line must come first or in xpcshell tests
+    // nsXREDirProvider never gets initialised and so the profile service
+    // crashes on initialisation.
+    const profd = Services.dirsvc.get("ProfD", Ci.nsIFile);
+    const profservice = Cc["@mozilla.org/toolkit/profile-service;1"].getService(
+      Ci.nsIToolkitProfileService
+    );
+    if (profservice.currentProfile) {
+      return profservice.currentProfile.name;
+    }
+
+    return profd.leafName;
+  } catch (e) {
+    return "";
+  }
+}
+
+exports.getSystemInfo = getSystemInfo;