| /* -*- Mode: Java; tab-width: 4; c-basic-offset: 4; -*- */ |
| /* vim:set ts=4 sw=4 sts=4 et: */ |
| /* ***** BEGIN LICENSE BLOCK ***** |
| * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
| * |
| * The contents of this file are subject to the Mozilla Public License Version |
| * 1.1 (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * http://www.mozilla.org/MPL/ |
| * |
| * Software distributed under the License is distributed on an "AS IS" basis, |
| * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
| * for the specific language governing rights and limitations under the |
| * License. |
| * |
| * The Original Code is mozilla.org code. |
| * |
| * The Initial Developer of the Original Code is |
| * Netscape Communications Corporation. |
| * Portions created by the Initial Developer are Copyright (C) 1998 |
| * the Initial Developer. All Rights Reserved. |
| * |
| * Contributor(s): |
| * Akhil Arora <akhil.arora@sun.com> |
| * Tomi Leppikangas <Tomi.Leppikangas@oulu.fi> |
| * Darin Fisher <darin@meer.net> |
| * |
| * Alternatively, the contents of this file may be used under the terms of |
| * either the GNU General Public License Version 2 or later (the "GPL"), or |
| * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| * in which case the provisions of the GPL or the LGPL are applicable instead |
| * of those above. If you wish to allow use of your version of this file only |
| * under the terms of either the GPL or the LGPL, and not to allow others to |
| * use your version of this file under the terms of the MPL, indicate your |
| * decision by deleting the provisions above and replace them with the notice |
| * and other provisions required by the GPL or the LGPL. If you do not delete |
| * the provisions above, a recipient may use your version of this file under |
| * the terms of any one of the MPL, the GPL or the LGPL. |
| * |
| * ***** END LICENSE BLOCK ***** */ |
| |
| /* |
| Script for Proxy Auto Config in the new world order. |
| - Gagan Saksena 04/24/00 |
| */ |
| |
| const kDNS_CONTRACTID = "@mozilla.org/network/dns-service;1"; |
| const kPAC_CONTRACTID = "@mozilla.org/network/proxy-auto-config;1"; |
| const kPAC_CID = Components.ID("{63ac8c66-1dd2-11b2-b070-84d00d3eaece}"); |
| |
| const nsISupports = Components.interfaces.nsISupports; |
| const nsIProxyAutoConfig = Components.interfaces.nsIProxyAutoConfig; |
| const nsIDNSService = Components.interfaces.nsIDNSService; |
| |
| // implementor of nsIProxyAutoConfig |
| function nsProxyAutoConfig() {}; |
| |
| nsProxyAutoConfig.prototype = { |
| // sandbox in which we eval loaded autoconfig js file |
| _sandBox: null, |
| |
| QueryInterface: function(iid) { |
| if (iid.Equals(nsIProxyAutoConfig) || |
| iid.Equals(nsISupports)) |
| return this; |
| throw Components.results.NS_ERROR_NO_INTERFACE; |
| }, |
| |
| init: function(pacURI, pacText) { |
| // remove PAC configuration if requested |
| if (pacURI == "" || pacText == "") { |
| this._sandBox = null; |
| return; |
| } |
| |
| // allocate a fresh Sandbox to clear global scope for new PAC script |
| this._sandBox = new Components.utils.Sandbox(pacURI); |
| Components.utils.evalInSandbox(pacUtils, this._sandBox); |
| |
| // add predefined functions to pac |
| this._sandBox.importFunction(myIpAddress); |
| this._sandBox.importFunction(dnsResolve); |
| this._sandBox.importFunction(proxyAlert, "alert"); |
| |
| // evaluate loaded js file |
| Components.utils.evalInSandbox(pacText, this._sandBox); |
| |
| // We can no longer trust this._sandBox. Touching it directly can |
| // cause all sorts of pain, so wrap it in an XPCSafeJSObjectWrapper |
| // and do all of our work through there. |
| this._sandBox = new XPCSafeJSObjectWrapper(this._sandBox); |
| }, |
| |
| getProxyForURI: function(testURI, testHost) { |
| if (!("FindProxyForURL" in this._sandBox)) |
| return null; |
| |
| // Call the original function |
| try { |
| var rval = this._sandBox.FindProxyForURL(testURI, testHost); |
| } catch (e) { |
| throw XPCSafeJSObjectWrapper(e); |
| } |
| return rval; |
| } |
| } |
| |
| function proxyAlert(msg) { |
| msg = XPCSafeJSObjectWrapper(msg); |
| try { |
| // It would appear that the console service is threadsafe. |
| var cns = Components.classes["@mozilla.org/consoleservice;1"] |
| .getService(Components.interfaces.nsIConsoleService); |
| cns.logStringMessage("PAC-alert: "+msg); |
| } catch (e) { |
| dump("PAC: proxyAlert ERROR: "+e+"\n"); |
| } |
| } |
| |
| // wrapper for getting local IP address called by PAC file |
| function myIpAddress() { |
| try { |
| return dns.resolve(dns.myHostName, 0).getNextAddrAsString(); |
| } catch (e) { |
| return '127.0.0.1'; |
| } |
| } |
| |
| // wrapper for resolving hostnames called by PAC file |
| function dnsResolve(host) { |
| host = XPCSafeJSObjectWrapper(host); |
| try { |
| return dns.resolve(host, 0).getNextAddrAsString(); |
| } catch (e) { |
| return null; |
| } |
| } |
| |
| var pacModule = new Object(); |
| |
| pacModule.registerSelf = |
| function (compMgr, fileSpec, location, type) { |
| compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar); |
| compMgr.registerFactoryLocation(kPAC_CID, |
| "nsProxyAutoConfig", |
| kPAC_CONTRACTID, |
| fileSpec, |
| location, |
| type); |
| } |
| |
| pacModule.getClassObject = |
| function (compMgr, cid, iid) { |
| if (!cid.equals(kPAC_CID)) |
| throw Components.results.NS_ERROR_NO_INTERFACE; |
| |
| if (!iid.equals(Components.interfaces.nsIFactory)) |
| throw Components.results.NS_ERROR_NOT_IMPLEMENTED; |
| |
| return pacFactory; |
| } |
| |
| pacModule.canUnload = |
| function (compMgr) { |
| return true; |
| } |
| |
| var pacFactory = new Object(); |
| pacFactory.createInstance = |
| function (outer, iid) { |
| if (outer != null) |
| throw Components.results.NS_ERROR_NO_AGGREGATION; |
| |
| if (!iid.equals(nsIProxyAutoConfig) && |
| !iid.equals(Components.interfaces.nsISupports)) { |
| throw Components.results.NS_ERROR_NO_INTERFACE; |
| } |
| return pac; |
| } |
| |
| function NSGetModule(compMgr, fileSpec) { |
| return pacModule; |
| } |
| |
| var pac = new nsProxyAutoConfig() ; |
| var dns = Components.classes[kDNS_CONTRACTID].getService(nsIDNSService); |
| |
| var pacUtils = |
| "function dnsDomainIs(host, domain) {\n" + |
| " return (host.length >= domain.length &&\n" + |
| " host.substring(host.length - domain.length) == domain);\n" + |
| "}\n" + |
| |
| "function dnsDomainLevels(host) {\n" + |
| " return host.split('.').length-1;\n" + |
| "}\n" + |
| |
| "function convert_addr(ipchars) {\n"+ |
| " var bytes = ipchars.split('.');\n"+ |
| " var result = ((bytes[0] & 0xff) << 24) |\n"+ |
| " ((bytes[1] & 0xff) << 16) |\n"+ |
| " ((bytes[2] & 0xff) << 8) |\n"+ |
| " (bytes[3] & 0xff);\n"+ |
| " return result;\n"+ |
| "}\n"+ |
| |
| "function isInNet(ipaddr, pattern, maskstr) {\n"+ |
| " var test = /^(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$/(ipaddr);\n"+ |
| " if (test == null) {\n"+ |
| " ipaddr = dnsResolve(ipaddr);\n"+ |
| " if (ipaddr == null)\n"+ |
| " return false;\n"+ |
| " } else if (test[1] > 255 || test[2] > 255 || \n"+ |
| " test[3] > 255 || test[4] > 255) {\n"+ |
| " return false; // not an IP address\n"+ |
| " }\n"+ |
| " var host = convert_addr(ipaddr);\n"+ |
| " var pat = convert_addr(pattern);\n"+ |
| " var mask = convert_addr(maskstr);\n"+ |
| " return ((host & mask) == (pat & mask));\n"+ |
| " \n"+ |
| "}\n"+ |
| |
| "function isPlainHostName(host) {\n" + |
| " return (host.search('\\\\.') == -1);\n" + |
| "}\n" + |
| |
| "function isResolvable(host) {\n" + |
| " var ip = dnsResolve(host);\n" + |
| " return (ip != null);\n" + |
| "}\n" + |
| |
| "function localHostOrDomainIs(host, hostdom) {\n" + |
| " return (host == hostdom) ||\n" + |
| " (hostdom.lastIndexOf(host + '.', 0) == 0);\n" + |
| "}\n" + |
| |
| "function shExpMatch(url, pattern) {\n" + |
| " pattern = pattern.replace(/\\./g, '\\\\.');\n" + |
| " pattern = pattern.replace(/\\*/g, '.*');\n" + |
| " pattern = pattern.replace(/\\?/g, '.');\n" + |
| " var newRe = new RegExp('^'+pattern+'$');\n" + |
| " return newRe.test(url);\n" + |
| "}\n" + |
| |
| "var wdays = {SUN: 0, MON: 1, TUE: 2, WED: 3, THU: 4, FRI: 5, SAT: 6};\n" + |
| |
| "var months = {JAN: 0, FEB: 1, MAR: 2, APR: 3, MAY: 4, JUN: 5, JUL: 6, AUG: 7, SEP: 8, OCT: 9, NOV: 10, DEC: 11};\n"+ |
| |
| "function weekdayRange() {\n" + |
| " function getDay(weekday) {\n" + |
| " if (weekday in wdays) {\n" + |
| " return wdays[weekday];\n" + |
| " }\n" + |
| " return -1;\n" + |
| " }\n" + |
| " var date = new Date();\n" + |
| " var argc = arguments.length;\n" + |
| " var wday;\n" + |
| " if (argc < 1)\n" + |
| " return false;\n" + |
| " if (arguments[argc - 1] == 'GMT') {\n" + |
| " argc--;\n" + |
| " wday = date.getUTCDay();\n" + |
| " } else {\n" + |
| " wday = date.getDay();\n" + |
| " }\n" + |
| " var wd1 = getDay(arguments[0]);\n" + |
| " var wd2 = (argc == 2) ? getDay(arguments[1]) : wd1;\n" + |
| " return (wd1 == -1 || wd2 == -1) ? false\n" + |
| " : (wd1 <= wday && wday <= wd2);\n" + |
| "}\n" + |
| |
| "function dateRange() {\n" + |
| " function getMonth(name) {\n" + |
| " if (name in months) {\n" + |
| " return months[name];\n" + |
| " }\n" + |
| " return -1;\n" + |
| " }\n" + |
| " var date = new Date();\n" + |
| " var argc = arguments.length;\n" + |
| " if (argc < 1) {\n" + |
| " return false;\n" + |
| " }\n" + |
| " var isGMT = (arguments[argc - 1] == 'GMT');\n" + |
| "\n" + |
| " if (isGMT) {\n" + |
| " argc--;\n" + |
| " }\n" + |
| " // function will work even without explict handling of this case\n" + |
| " if (argc == 1) {\n" + |
| " var tmp = parseInt(arguments[0]);\n" + |
| " if (isNaN(tmp)) {\n" + |
| " return ((isGMT ? date.getUTCMonth() : date.getMonth()) ==\n" + |
| "getMonth(arguments[0]));\n" + |
| " } else if (tmp < 32) {\n" + |
| " return ((isGMT ? date.getUTCDate() : date.getDate()) == tmp);\n" + |
| " } else { \n" + |
| " return ((isGMT ? date.getUTCFullYear() : date.getFullYear()) ==\n" + |
| "tmp);\n" + |
| " }\n" + |
| " }\n" + |
| " var year = date.getFullYear();\n" + |
| " var date1, date2;\n" + |
| " date1 = new Date(year, 0, 1, 0, 0, 0);\n" + |
| " date2 = new Date(year, 11, 31, 23, 59, 59);\n" + |
| " var adjustMonth = false;\n" + |
| " for (var i = 0; i < (argc >> 1); i++) {\n" + |
| " var tmp = parseInt(arguments[i]);\n" + |
| " if (isNaN(tmp)) {\n" + |
| " var mon = getMonth(arguments[i]);\n" + |
| " date1.setMonth(mon);\n" + |
| " } else if (tmp < 32) {\n" + |
| " adjustMonth = (argc <= 2);\n" + |
| " date1.setDate(tmp);\n" + |
| " } else {\n" + |
| " date1.setFullYear(tmp);\n" + |
| " }\n" + |
| " }\n" + |
| " for (var i = (argc >> 1); i < argc; i++) {\n" + |
| " var tmp = parseInt(arguments[i]);\n" + |
| " if (isNaN(tmp)) {\n" + |
| " var mon = getMonth(arguments[i]);\n" + |
| " date2.setMonth(mon);\n" + |
| " } else if (tmp < 32) {\n" + |
| " date2.setDate(tmp);\n" + |
| " } else {\n" + |
| " date2.setFullYear(tmp);\n" + |
| " }\n" + |
| " }\n" + |
| " if (adjustMonth) {\n" + |
| " date1.setMonth(date.getMonth());\n" + |
| " date2.setMonth(date.getMonth());\n" + |
| " }\n" + |
| " if (isGMT) {\n" + |
| " var tmp = date;\n" + |
| " tmp.setFullYear(date.getUTCFullYear());\n" + |
| " tmp.setMonth(date.getUTCMonth());\n" + |
| " tmp.setDate(date.getUTCDate());\n" + |
| " tmp.setHours(date.getUTCHours());\n" + |
| " tmp.setMinutes(date.getUTCMinutes());\n" + |
| " tmp.setSeconds(date.getUTCSeconds());\n" + |
| " date = tmp;\n" + |
| " }\n" + |
| " return ((date1 <= date) && (date <= date2));\n" + |
| "}\n" + |
| |
| "function timeRange() {\n" + |
| " var argc = arguments.length;\n" + |
| " var date = new Date();\n" + |
| " var isGMT= false;\n"+ |
| "\n" + |
| " if (argc < 1) {\n" + |
| " return false;\n" + |
| " }\n" + |
| " if (arguments[argc - 1] == 'GMT') {\n" + |
| " isGMT = true;\n" + |
| " argc--;\n" + |
| " }\n" + |
| "\n" + |
| " var hour = isGMT ? date.getUTCHours() : date.getHours();\n" + |
| " var date1, date2;\n" + |
| " date1 = new Date();\n" + |
| " date2 = new Date();\n" + |
| "\n" + |
| " if (argc == 1) {\n" + |
| " return (hour == arguments[0]);\n" + |
| " } else if (argc == 2) {\n" + |
| " return ((arguments[0] <= hour) && (hour <= arguments[1]));\n" + |
| " } else {\n" + |
| " switch (argc) {\n" + |
| " case 6:\n" + |
| " date1.setSeconds(arguments[2]);\n" + |
| " date2.setSeconds(arguments[5]);\n" + |
| " case 4:\n" + |
| " var middle = argc >> 1;\n" + |
| " date1.setHours(arguments[0]);\n" + |
| " date1.setMinutes(arguments[1]);\n" + |
| " date2.setHours(arguments[middle]);\n" + |
| " date2.setMinutes(arguments[middle + 1]);\n" + |
| " if (middle == 2) {\n" + |
| " date2.setSeconds(59);\n" + |
| " }\n" + |
| " break;\n" + |
| " default:\n" + |
| " throw 'timeRange: bad number of arguments'\n" + |
| " }\n" + |
| " }\n" + |
| "\n" + |
| " if (isGMT) {\n" + |
| " date.setFullYear(date.getUTCFullYear());\n" + |
| " date.setMonth(date.getUTCMonth());\n" + |
| " date.setDate(date.getUTCDate());\n" + |
| " date.setHours(date.getUTCHours());\n" + |
| " date.setMinutes(date.getUTCMinutes());\n" + |
| " date.setSeconds(date.getUTCSeconds());\n" + |
| " }\n" + |
| " return ((date1 <= date) && (date <= date2));\n" + |
| "}\n" |
| |
