addon-sdk/source/lib/node/os.js@ac0c01689b40
addon-sdk/source/lib/node/os.js
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5 'use strict';
7 module.metadata = {
8 "stability": "unstable"
9 };
11 const { Cc, Ci } = require('chrome');
12 const system = require('../sdk/system');
13 const runtime = require('../sdk/system/runtime');
14 const oscpu = Cc["@mozilla.org/network/protocol;1?name=http"]
15 .getService(Ci.nsIHttpProtocolHandler).oscpu;
16 const hostname = Cc["@mozilla.org/network/dns-service;1"]
17 .getService(Ci.nsIDNSService).myHostName;
18 const isWindows = system.platform === 'win32';
19 const endianness = ((new Uint32Array((new Uint8Array([1,2,3,4])).buffer))[0] === 0x04030201) ? 'LE' : 'BE';
21 /**
22 * Returns a path to a temp directory
23 */
24 exports.tmpdir = () => system.pathFor('TmpD');
26 /**
27 * Returns the endianness of the architecture: either 'LE' or 'BE'
28 */
29 exports.endianness = () => endianness;
31 /**
32 * Returns hostname of the machine
33 */
34 exports.hostname = () => hostname;
36 /**
37 * Name of the OS type
38 * Possible values:
39 * https://developer.mozilla.org/en/OS_TARGET
40 */
41 exports.type = () => runtime.OS;
43 /**
44 * Name of the OS Platform in lower case string.
45 * Possible values:
46 * https://developer.mozilla.org/en/OS_TARGET
47 */
48 exports.platform = () => system.platform;
50 /**
51 * Type of processor architecture running:
52 * 'arm', 'ia32', 'x86', 'x64'
53 */
54 exports.arch = () => system.architecture;
56 /**
57 * Returns the operating system release.
58 */
59 exports.release = () => {
60 let match = oscpu.match(/(\d[\.\d]*)/);
61 return match && match.length > 1 ? match[1] : oscpu;
62 };
64 /**
65 * Returns EOL character for the OS
66 */
67 exports.EOL = isWindows ? '\r\n' : '\n';
69 /**
70 * Returns [0, 0, 0], as this is not implemented.
71 */
72 exports.loadavg = () => [0, 0, 0];
74 ['uptime', 'totalmem', 'freemem', 'cpus'].forEach(method => {
75 exports[method] = () => { throw new Error('os.' + method + ' is not supported.'); };
76 });
