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