| /* |
| * Copyright 2011 Hans Leidekker for CodeWeavers |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| * |
| * Based on nsProxyAutoConfig.js from mozilla.org. |
| */ |
| |
| function myIpAddress() { |
| try { |
| return dns_resolve(''); |
| } catch (e) { |
| return '127.0.0.1'; |
| } |
| } |
| |
| function dnsResolve(host) { |
| try { |
| return dns_resolve(host); |
| } catch (e) { |
| return null; |
| } |
| } |
| |
| function dnsDomainIs(host, domain) { |
| return (host.length >= domain.length && |
| host.substring(host.length - domain.length) == domain); |
| } |
| |
| function dnsDomainLevels(host) { |
| return host.split('.').length-1; |
| } |
| |
| function convert_addr(ipchars) { |
| var bytes = ipchars.split('.'); |
| var result = ((bytes[0] & 0xff) << 24) | |
| ((bytes[1] & 0xff) << 16) | |
| ((bytes[2] & 0xff) << 8) | |
| (bytes[3] & 0xff); |
| return result; |
| } |
| |
| function isInNet(ipaddr, pattern, maskstr) { |
| var test = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/.exec(ipaddr); |
| if (test == null) { |
| ipaddr = dnsResolve(ipaddr); |
| if (ipaddr == null) |
| return false; |
| } else if (test[1] > 255 || test[2] > 255 || |
| test[3] > 255 || test[4] > 255) { |
| return false; // not an IP address |
| } |
| var host = convert_addr(ipaddr); |
| var pat = convert_addr(pattern); |
| var mask = convert_addr(maskstr); |
| return ((host & mask) == (pat & mask)); |
| } |
| |
| function isPlainHostName(host) { |
| return (host.search('\\.') == -1); |
| } |
| |
| function isResolvable(host) { |
| var ip = dnsResolve(host); |
| return (ip != null); |
| } |
| |
| function localHostOrDomainIs(host, hostdom) { |
| return (host == hostdom) || |
| (hostdom.lastIndexOf(host + '.', 0) == 0); |
| } |
| |
| function shExpMatch(url, pattern) { |
| pattern = pattern.replace(/\./g, '\\.'); |
| pattern = pattern.replace(/\*/g, '.*'); |
| pattern = pattern.replace(/\?/g, '.'); |
| var newRe = new RegExp('^'+pattern+'$'); |
| return newRe.test(url); |
| } |
| |
| var wdays = {SUN: 0, MON: 1, TUE: 2, WED: 3, THU: 4, FRI: 5, SAT: 6}; |
| 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}; |
| |
| function weekdayRange() { |
| function getDay(weekday) { |
| if (weekday in wdays) { |
| return wdays[weekday]; |
| } |
| return -1; |
| } |
| var date = new Date(); |
| var argc = arguments.length; |
| var wday; |
| if (argc < 1) |
| return false; |
| if (arguments[argc - 1] == 'GMT') { |
| argc--; |
| wday = date.getUTCDay(); |
| } else { |
| wday = date.getDay(); |
| } |
| var wd1 = getDay(arguments[0]); |
| var wd2 = (argc == 2) ? getDay(arguments[1]) : wd1; |
| return (wd1 == -1 || wd2 == -1) ? false |
| : (wd1 <= wday && wday <= wd2); |
| } |
| |
| function dateRange() { |
| function getMonth(name) { |
| if (name in months) { |
| return months[name]; |
| } |
| return -1; |
| } |
| var date = new Date(); |
| var argc = arguments.length; |
| if (argc < 1) { |
| return false; |
| } |
| var isGMT = (arguments[argc - 1] == 'GMT'); |
| |
| if (isGMT) { |
| argc--; |
| } |
| // function will work even without explicit handling of this case |
| if (argc == 1) { |
| var tmp = parseInt(arguments[0]); |
| if (isNaN(tmp)) { |
| return ((isGMT ? date.getUTCMonth() : date.getMonth()) == getMonth(arguments[0])); |
| } else if (tmp < 32) { |
| return ((isGMT ? date.getUTCDate() : date.getDate()) == tmp); |
| } else { |
| return ((isGMT ? date.getUTCFullYear() : date.getFullYear()) == tmp); |
| } |
| } |
| var year = date.getFullYear(); |
| var date1, date2; |
| date1 = new Date(year, 0, 1, 0, 0, 0); |
| date2 = new Date(year, 11, 31, 23, 59, 59); |
| var adjustMonth = false; |
| for (var i = 0; i < (argc >> 1); i++) { |
| var tmp = parseInt(arguments[i]); |
| if (isNaN(tmp)) { |
| var mon = getMonth(arguments[i]); |
| date1.setMonth(mon); |
| } else if (tmp < 32) { |
| adjustMonth = (argc <= 2); |
| date1.setDate(tmp); |
| } else { |
| date1.setFullYear(tmp); |
| } |
| } |
| for (var i = (argc >> 1); i < argc; i++) { |
| var tmp = parseInt(arguments[i]); |
| if (isNaN(tmp)) { |
| var mon = getMonth(arguments[i]); |
| date2.setMonth(mon); |
| } else if (tmp < 32) { |
| date2.setDate(tmp); |
| } else { |
| date2.setFullYear(tmp); |
| } |
| } |
| if (adjustMonth) { |
| date1.setMonth(date.getMonth()); |
| date2.setMonth(date.getMonth()); |
| } |
| if (isGMT) { |
| var tmp = date; |
| tmp.setFullYear(date.getUTCFullYear()); |
| tmp.setMonth(date.getUTCMonth()); |
| tmp.setDate(date.getUTCDate()); |
| tmp.setHours(date.getUTCHours()); |
| tmp.setMinutes(date.getUTCMinutes()); |
| tmp.setSeconds(date.getUTCSeconds()); |
| date = tmp; |
| } |
| return ((date1 <= date) && (date <= date2)); |
| } |
| |
| function timeRange() { |
| var argc = arguments.length; |
| var date = new Date(); |
| var isGMT= false; |
| |
| if (argc < 1) { |
| return false; |
| } |
| if (arguments[argc - 1] == 'GMT') { |
| isGMT = true; |
| argc--; |
| } |
| |
| var hour = isGMT ? date.getUTCHours() : date.getHours(); |
| var date1, date2; |
| date1 = new Date(); |
| date2 = new Date(); |
| |
| if (argc == 1) { |
| return (hour == arguments[0]); |
| } else if (argc == 2) { |
| return ((arguments[0] <= hour) && (hour <= arguments[1])); |
| } else { |
| switch (argc) { |
| case 6: |
| date1.setSeconds(arguments[2]); |
| date2.setSeconds(arguments[5]); |
| case 4: |
| var middle = argc >> 1; |
| date1.setHours(arguments[0]); |
| date1.setMinutes(arguments[1]); |
| date2.setHours(arguments[middle]); |
| date2.setMinutes(arguments[middle + 1]); |
| if (middle == 2) { |
| date2.setSeconds(59); |
| } |
| break; |
| default: |
| throw 'timeRange: bad number of arguments' |
| } |
| } |
| |
| if (isGMT) { |
| date.setFullYear(date.getUTCFullYear()); |
| date.setMonth(date.getUTCMonth()); |
| date.setDate(date.getUTCDate()); |
| date.setHours(date.getUTCHours()); |
| date.setMinutes(date.getUTCMinutes()); |
| date.setSeconds(date.getUTCSeconds()); |
| } |
| return ((date1 <= date) && (date <= date2)); |
| } |