2 * Copyright 2011 Hans Leidekker for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
18 * Based on nsProxyAutoConfig.js from mozilla.org.
21 function myIpAddress() {
23 return dns_resolve('');
29 function dnsResolve(host) {
31 return dns_resolve(host);
37 function dnsDomainIs(host, domain) {
38 return (host.length >= domain.length &&
39 host.substring(host.length - domain.length) == domain);
42 function dnsDomainLevels(host) {
43 return host.split('.').length-1;
46 function convert_addr(ipchars) {
47 var bytes = ipchars.split('.');
48 var result = ((bytes[0] & 0xff) << 24) |
49 ((bytes[1] & 0xff) << 16) |
50 ((bytes[2] & 0xff) << 8) |
55 function isInNet(ipaddr, pattern, maskstr) {
56 var test = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/.exec(ipaddr);
58 ipaddr = dnsResolve(ipaddr);
61 } else if (test[1] > 255 || test[2] > 255 ||
62 test[3] > 255 || test[4] > 255) {
63 return false; // not an IP address
65 var host = convert_addr(ipaddr);
66 var pat = convert_addr(pattern);
67 var mask = convert_addr(maskstr);
68 return ((host & mask) == (pat & mask));
71 function isPlainHostName(host) {
72 return (host.search('\\.') == -1);
75 function isResolvable(host) {
76 var ip = dnsResolve(host);
80 function localHostOrDomainIs(host, hostdom) {
81 return (host == hostdom) ||
82 (hostdom.lastIndexOf(host + '.', 0) == 0);
85 function shExpMatch(url, pattern) {
86 pattern = pattern.replace(/\./g, '\\.');
87 pattern = pattern.replace(/\*/g, '.*');
88 pattern = pattern.replace(/\?/g, '.');
89 var newRe = new RegExp('^'+pattern+'$');
90 return newRe.test(url);
93 var wdays = {SUN: 0, MON: 1, TUE: 2, WED: 3, THU: 4, FRI: 5, SAT: 6};
94 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};
96 function weekdayRange() {
97 function getDay(weekday) {
98 if (weekday in wdays) {
99 return wdays[weekday];
103 var date = new Date();
104 var argc = arguments.length;
108 if (arguments[argc - 1] == 'GMT') {
110 wday = date.getUTCDay();
112 wday = date.getDay();
114 var wd1 = getDay(arguments[0]);
115 var wd2 = (argc == 2) ? getDay(arguments[1]) : wd1;
116 return (wd1 == -1 || wd2 == -1) ? false
117 : (wd1 <= wday && wday <= wd2);
120 function dateRange() {
121 function getMonth(name) {
122 if (name in months) {
127 var date = new Date();
128 var argc = arguments.length;
132 var isGMT = (arguments[argc - 1] == 'GMT');
137 // function will work even without explict handling of this case
139 var tmp = parseInt(arguments[0]);
141 return ((isGMT ? date.getUTCMonth() : date.getMonth()) == getMonth(arguments[0]));
142 } else if (tmp < 32) {
143 return ((isGMT ? date.getUTCDate() : date.getDate()) == tmp);
145 return ((isGMT ? date.getUTCFullYear() : date.getFullYear()) == tmp);
148 var year = date.getFullYear();
150 date1 = new Date(year, 0, 1, 0, 0, 0);
151 date2 = new Date(year, 11, 31, 23, 59, 59);
152 var adjustMonth = false;
153 for (var i = 0; i < (argc >> 1); i++) {
154 var tmp = parseInt(arguments[i]);
156 var mon = getMonth(arguments[i]);
158 } else if (tmp < 32) {
159 adjustMonth = (argc <= 2);
162 date1.setFullYear(tmp);
165 for (var i = (argc >> 1); i < argc; i++) {
166 var tmp = parseInt(arguments[i]);
168 var mon = getMonth(arguments[i]);
170 } else if (tmp < 32) {
173 date2.setFullYear(tmp);
177 date1.setMonth(date.getMonth());
178 date2.setMonth(date.getMonth());
182 tmp.setFullYear(date.getUTCFullYear());
183 tmp.setMonth(date.getUTCMonth());
184 tmp.setDate(date.getUTCDate());
185 tmp.setHours(date.getUTCHours());
186 tmp.setMinutes(date.getUTCMinutes());
187 tmp.setSeconds(date.getUTCSeconds());
190 return ((date1 <= date) && (date <= date2));
193 function timeRange() {
194 var argc = arguments.length;
195 var date = new Date();
201 if (arguments[argc - 1] == 'GMT') {
206 var hour = isGMT ? date.getUTCHours() : date.getHours();
212 return (hour == arguments[0]);
213 } else if (argc == 2) {
214 return ((arguments[0] <= hour) && (hour <= arguments[1]));
218 date1.setSeconds(arguments[2]);
219 date2.setSeconds(arguments[5]);
221 var middle = argc >> 1;
222 date1.setHours(arguments[0]);
223 date1.setMinutes(arguments[1]);
224 date2.setHours(arguments[middle]);
225 date2.setMinutes(arguments[middle + 1]);
227 date2.setSeconds(59);
231 throw 'timeRange: bad number of arguments'
236 date.setFullYear(date.getUTCFullYear());
237 date.setMonth(date.getUTCMonth());
238 date.setDate(date.getUTCDate());
239 date.setHours(date.getUTCHours());
240 date.setMinutes(date.getUTCMinutes());
241 date.setSeconds(date.getUTCSeconds());
243 return ((date1 <= date) && (date <= date2));