tor-browser

ascii_pac_utils.js (6026B)

---

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* global dnsResolve */

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 isValidIpAddress(ipchars) {
 var matches = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/.exec(ipchars);
 if (matches == null) {
   return false;
 } else if (
   matches[1] > 255 ||
   matches[2] > 255 ||
   matches[3] > 255 ||
   matches[4] > 255
 ) {
   return false;
 }
 return true;
}

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) {
 if (!isValidIpAddress(pattern) || !isValidIpAddress(maskstr)) {
   return false;
 }
 if (!isValidIpAddress(ipaddr)) {
   ipaddr = dnsResolve(ipaddr);
   if (ipaddr == null) {
     return false;
   }
 }
 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;
 if (wd1 == -1 || wd2 == -1) {
   return false;
 }

 if (wd1 <= wd2) {
   return wd1 <= wday && wday <= wd2;
 }

 return wd2 >= wday || wday >= wd1;
}

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 explict handling of this case
 if (argc == 1) {
   let 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;
   }
   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 (let i = 0; i < argc >> 1; i++) {
   let tmp = parseInt(arguments[i]);
   if (isNaN(tmp)) {
     let mon = getMonth(arguments[i]);
     date1.setMonth(mon);
   } else if (tmp < 32) {
     adjustMonth = argc <= 2;
     date1.setDate(tmp);
   } else {
     date1.setFullYear(tmp);
   }
 }
 for (let i = argc >> 1; i < argc; i++) {
   let tmp = parseInt(arguments[i]);
   if (isNaN(tmp)) {
     let 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) {
   let 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 <= date2
   ? date1 <= date && date <= date2
   : date2 >= date || date >= date1;
}

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];
 }
 switch (argc) {
   case 6:
     date1.setSeconds(arguments[2]);
     date2.setSeconds(arguments[5]);
   // falls through
   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 new Error("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 <= date2
   ? date1 <= date && date <= date2
   : date2 >= date || date >= date1;
}