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- /* -*- Mode: Java; tab-width: 4; c-basic-offset: 4; -*- */
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: NPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Netscape 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/NPL/
- *
- * 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>
- *
- * 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 NPL, 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 NPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- /*
- Script for Proxy Auto Config in the new world order.
- - Gagan Saksena 04/24/00
- */
-
- const kPAC_CONTRACTID = "@mozilla.org/network/proxy-auto-config;1";
- const kIOSERVICE_CONTRACTID = "@mozilla.org/network/io-service;1";
- const kDNS_CONTRACTID = "@mozilla.org/network/dns-service;1";
- const kPAC_CID = Components.ID("{63ac8c66-1dd2-11b2-b070-84d00d3eaece}");
- const nsIProxyAutoConfig = Components.interfaces.nsIProxyAutoConfig;
- const nsIIOService = Components.interfaces['nsIIOService'];
- const nsIDNSService = Components.interfaces.nsIDNSService;
- const nsIRequest = Components.interfaces.nsIRequest;
-
- // implementor of nsIProxyAutoConfig
- function nsProxyAutoConfig() {};
-
- // global variable that will hold the downloaded js
- var pac = null;
- //hold PAC's URL, used in evalAsCodebase()
- var pacURL;
- // ptr to eval'ed FindProxyForURL function
- var LocalFindProxyForURL=null;
- // sendbox in which we eval loaded autoconfig js file
- var ProxySandBox = null;
-
- nsProxyAutoConfig.prototype = {
- sis: null,
- done: false,
-
- getProxyForURI: function(uri) {
- // If we're not done loading the pac yet, wait (ideally). For
- // now, just return DIRECT to avoid loops. A simple mutex
- // between getProxyForURI and loadPACFromURI locks-up the
- // browser.
- if (!this.done)
- return null;
-
- // Call the original function-
- return LocalFindProxyForURL(uri.spec, uri.host);
- },
-
- loadPACFromURI: function(uri, ioService) {
- this.done = false;
- var channel = ioService.newChannelFromURI(uri);
- // don't cache the PAC content
- channel.loadFlags |= nsIRequest.LOAD_BYPASS_CACHE;
- pacURL = uri.spec;
- channel.notificationCallbacks = this;
- channel.asyncOpen(this, null);
- Components.returnCode = Components.results.NS_OK;
- },
-
- // nsIInterfaceRequestor interface
- getInterface: function(iid, instance) {
- if (iid.equals(Components.interfaces.nsIAuthPrompt)) {
- // use the window watcher service to get a nsIAuthPrompt impl
- var ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
- .getService(Components.interfaces.nsIWindowWatcher);
- return ww.getNewAuthPrompter(null);
- }
- Components.returnCode = Components.results.NS_ERROR_NO_INTERFACE;
- return null;
- },
-
- // nsIStreamListener interface
- onStartRequest: function(request, ctxt) {
- pac = '';
- LocalFindProxyForURL=null;
- this.sis =
- Components.Constructor('@mozilla.org/scriptableinputstream;1',
- 'nsIScriptableInputStream',
- 'init');
- },
-
- onStopRequest: function(request, ctxt, status) {
- if(!ProxySandBox) {
- ProxySandBox = new Sandbox();
- }
- // add predefined functions to pac
- var mypac = pacUtils + pac;
- // evaluate loded js file
- evalInSandbox(mypac, ProxySandBox, pacURL);
- try {
- ProxySandBox.myIP = dns.resolve(dns.myHostName, false).getNextAddrAsString();
- } catch (e) {
- // Well, theres nothing better.
- // see bugs 80363 and 92516.
- ProxySandBox.myIP = "127.0.0.1";
- }
- ProxySandBox.dnsResolve = dnsResolve;
- ProxySandBox.alert = proxyAlert;
- LocalFindProxyForURL=ProxySandBox.FindProxyForURL;
- this.done = true;
- },
-
- onDataAvailable: function(request, ctxt, inStream, sourceOffset, count) {
- var ins = new this.sis(inStream);
- pac += ins.read(count);
- }
- }
-
- function proxyAlert(msg) {
- try {
- 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");
- }
- }
-
- // Synchronous calls to nsDNSService::Resolve ignore the cache! (bug 97097)
- // Keep a simple one of our own.
- var dnsResolveCachedHost = null;
- var dnsResolveCachedIp = null;
-
- // wrapper for dns.resolve to catch exception on failure
- function dnsResolve(host) {
- if (host == dnsResolveCachedHost) {
- return dnsResolveCachedIp;
- }
- try {
- dnsResolveCachedIp = dns.resolve(host, false).getNextAddrAsString();
- dnsResolveCachedHost = host;
- }
- catch (e) {
- dnsResolveCachedIp = null;
- dnsResolveCachedHost = null;
- }
- return dnsResolveCachedIp;
- }
-
- 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.nsIStreamListener) &&
- !iid.equals(Components.interfaces.nsISupports)) {
- // shouldn't this be NO_INTERFACE?
- throw Components.results.NS_ERROR_INVALID_ARG;
- }
- return PacMan;
- }
-
- function NSGetModule(compMgr, fileSpec) {
- return pacModule;
- }
-
- var PacMan = new nsProxyAutoConfig() ;
-
- var ios = Components.classes[kIOSERVICE_CONTRACTID].getService(nsIIOService);
- 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{1,4})\\.(\\d{1,4})\\.(\\d{1,4})\\.(\\d{1,4})$/(ipaddr);\n"+
- " if (test == null) {\n"+
- " ipaddr = dnsResolve(ipaddr);\n"+
- " if (ipaddr == null)\n"+
- " return false;\n"+
- " } else if (test[1] > 255 || test[2] > 255 || \n"+
- " test[3] > 255 || test[4] > 255) {\n"+
- " return false; // not an IP address\n"+
- " }\n"+
- " var host = convert_addr(ipaddr);\n"+
- " var pat = convert_addr(pattern);\n"+
- " var mask = convert_addr(maskstr);\n"+
- " return ((host & mask) == (pat & mask));\n"+
- " \n"+
- "}\n"+
-
- "function isPlainHostName(host) {\n" +
- " return (host.search('\\\\.') == -1);\n" +
- "}\n" +
-
- "function isResolvable(host) {\n" +
- " var ip = dnsResolve(host);\n" +
- " return (ip != null);\n" +
- "}\n" +
-
- "function localHostOrDomainIs(host, hostdom) {\n" +
- " if (isPlainHostName(host)) {\n" +
- " return (hostdom.search('/^' + host + '/') != -1);\n" +
- " }\n" +
- " else {\n" +
- " return (host == hostdom); //TODO check \n" +
- " }\n" +
- "}\n" +
-
- " var myIP;\n" +
- "function myIpAddress() {\n" +
- " return (myIP) ? myIP : '127.0.0.1';\n" +
- "}\n" +
-
- "function shExpMatch(url, pattern) {\n" +
- " pattern = pattern.replace(/\\./g, '\\\\.');\n" +
- " pattern = pattern.replace(/\\*/g, '.*');\n" +
- " pattern = pattern.replace(/\\?/g, '.');\n" +
- " var newRe = new RegExp('^'+pattern+'$');\n" +
- " return newRe.test(url);\n" +
- "}\n" +
-
- "var wdays = new Array('SUN', 'MON', 'TUE', 'WED', 'THU', 'FRI', 'SAT');\n" +
-
- "var monthes = new Array('JAN', 'FEB', 'MAR', 'APR', 'MAY', 'JUN', 'JUL', 'AUG', 'SEP', 'OCT', 'NOV', 'DEC');\n"+
-
- "function weekdayRange() {\n" +
- " function getDay(weekday) {\n" +
- " for (var i = 0; i < 6; i++) {\n" +
- " if (weekday == wdays[i]) \n" +
- " return i;\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" +
- " for (var i = 0; i < 6; i++) {\n" +
- " if (name == monthes[i])\n" +
- " return i;\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"
-
-