net/proxy/proxy_resolver_script.h

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is mozilla.org code.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * Netscape Communications Corporation.
  18  * Portions created by the Initial Developer are Copyright (C) 1998
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *   Akhil Arora <akhil.arora@sun.com>
  23  *   Tomi Leppikangas <Tomi.Leppikangas@oulu.fi>
  24  *   Darin Fisher <darin@meer.net>
  25  *
  26  * Alternatively, the contents of this file may be used under the terms of
  27  * either the GNU General Public License Version 2 or later (the "GPL"), or
  28  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  29  * in which case the provisions of the GPL or the LGPL are applicable instead
  30  * of those above. If you wish to allow use of your version of this file only
  31  * under the terms of either the GPL or the LGPL, and not to allow others to
  32  * use your version of this file under the terms of the MPL, indicate your
  33  * decision by deleting the provisions above and replace them with the notice
  34  * and other provisions required by the GPL or the LGPL. If you do not delete
  35  * the provisions above, a recipient may use your version of this file under
  36  * the terms of any one of the MPL, the GPL or the LGPL.
  37  *
  38  * ***** END LICENSE BLOCK ***** */
  39
  40 #ifndef NET_PROXY_PROXY_RESOLVER_SCRIPT_H_
  41 #define NET_PROXY_PROXY_RESOLVER_SCRIPT_H_
  42
  43 // The following code was formatted from:
  44 //   'mozilla/netwerk/base/src/nsProxyAutoConfig.js' (1.55)
  45 //
  46 // Using the command:
  47 //   $ cat nsProxyAutoConfig.js |
  48 //       awk '/var pacUtils/,/EOF/' |
  49 //       sed -e 's/^\s*$/""/g' |
  50 //       sed -e 's/"\s*[+]\s*$/"/g' |
  51 //       sed -e 's/"$/" \\/g' |
  52 //       sed -e 's/\/(ipaddr);/\/.exec(ipaddr);/g' |
  53 //       grep -v '^var pacUtils ='
  54 #define PROXY_RESOLVER_SCRIPT \
  55   "function dnsDomainIs(host, domain) {\n" \
  56   "    return (host.length >= domain.length &&\n" \
  57   "            host.substring(host.length - domain.length) == domain);\n" \
  58   "}\n" \
  59   "" \
  60   "function dnsDomainLevels(host) {\n" \
  61   "    return host.split('.').length-1;\n" \
  62   "}\n" \
  63   "" \
  64   "function convert_addr(ipchars) {\n" \
  65   "    var bytes = ipchars.split('.');\n" \
  66   "    var result = ((bytes[0] & 0xff) << 24) |\n" \
  67   "                 ((bytes[1] & 0xff) << 16) |\n" \
  68   "                 ((bytes[2] & 0xff) <<  8) |\n" \
  69   "                  (bytes[3] & 0xff);\n" \
  70   "    return result;\n" \
  71   "}\n" \
  72   "" \
  73   "function isInNet(ipaddr, pattern, maskstr) {\n" \
  74   "    var test = /^(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$/.exec(ipaddr);\n" \
  75   "    if (test == null) {\n" \
  76   "        ipaddr = dnsResolve(ipaddr);\n" \
  77   "        if (ipaddr == null)\n" \
  78   "            return false;\n" \
  79   "    } else if (test[1] > 255 || test[2] > 255 || \n" \
  80   "               test[3] > 255 || test[4] > 255) {\n" \
  81   "        return false;    // not an IP address\n" \
  82   "    }\n" \
  83   "    var host = convert_addr(ipaddr);\n" \
  84   "    var pat  = convert_addr(pattern);\n" \
  85   "    var mask = convert_addr(maskstr);\n" \
  86   "    return ((host & mask) == (pat & mask));\n" \
  87   "    \n" \
  88   "}\n" \
  89   "" \
  90   "function isPlainHostName(host) {\n" \
  91   "    return (host.search('\\\\.') == -1);\n" \
  92   "}\n" \
  93   "" \
  94   "function isResolvable(host) {\n" \
  95   "    var ip = dnsResolve(host);\n" \
  96   "    return (ip != null);\n" \
  97   "}\n" \
  98   "" \
  99   "function localHostOrDomainIs(host, hostdom) {\n" \
 100   "    return (host == hostdom) ||\n" \
 101   "           (hostdom.lastIndexOf(host + '.', 0) == 0);\n" \
 102   "}\n" \
 103   "" \
 104   "function shExpMatch(url, pattern) {\n" \
 105   "   pattern = pattern.replace(/\\./g, '\\\\.');\n" \
 106   "   pattern = pattern.replace(/\\*/g, '.*');\n" \
 107   "   pattern = pattern.replace(/\\?/g, '.');\n" \
 108   "   var newRe = new RegExp('^'+pattern+'$');\n" \
 109   "   return newRe.test(url);\n" \
 110   "}\n" \
 111   "" \
 112   "var wdays = {SUN: 0, MON: 1, TUE: 2, WED: 3, THU: 4, FRI: 5, SAT: 6};\n" \
 113   "" \
 114   "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};\n" \
 115   "" \
 116   "function weekdayRange() {\n" \
 117   "    function getDay(weekday) {\n" \
 118   "        if (weekday in wdays) {\n" \
 119   "            return wdays[weekday];\n" \
 120   "        }\n" \
 121   "        return -1;\n" \
 122   "    }\n" \
 123   "    var date = new Date();\n" \
 124   "    var argc = arguments.length;\n" \
 125   "    var wday;\n" \
 126   "    if (argc < 1)\n" \
 127   "        return false;\n" \
 128   "    if (arguments[argc - 1] == 'GMT') {\n" \
 129   "        argc--;\n" \
 130   "        wday = date.getUTCDay();\n" \
 131   "    } else {\n" \
 132   "        wday = date.getDay();\n" \
 133   "    }\n" \
 134   "    var wd1 = getDay(arguments[0]);\n" \
 135   "    var wd2 = (argc == 2) ? getDay(arguments[1]) : wd1;\n" \
 136   "    return (wd1 == -1 || wd2 == -1) ? false\n" \
 137   "                                    : (wd1 <= wday && wday <= wd2);\n" \
 138   "}\n" \
 139   "" \
 140   "function dateRange() {\n" \
 141   "    function getMonth(name) {\n" \
 142   "        if (name in months) {\n" \
 143   "            return months[name];\n" \
 144   "        }\n" \
 145   "        return -1;\n" \
 146   "    }\n" \
 147   "    var date = new Date();\n" \
 148   "    var argc = arguments.length;\n" \
 149   "    if (argc < 1) {\n" \
 150   "        return false;\n" \
 151   "    }\n" \
 152   "    var isGMT = (arguments[argc - 1] == 'GMT');\n" \
 153   "\n" \
 154   "    if (isGMT) {\n" \
 155   "        argc--;\n" \
 156   "    }\n" \
 157   "    // function will work even without explict handling of this case\n" \
 158   "    if (argc == 1) {\n" \
 159   "        var tmp = parseInt(arguments[0]);\n" \
 160   "        if (isNaN(tmp)) {\n" \
 161   "            return ((isGMT ? date.getUTCMonth() : date.getMonth()) ==\n" \
 162   "getMonth(arguments[0]));\n" \
 163   "        } else if (tmp < 32) {\n" \
 164   "            return ((isGMT ? date.getUTCDate() : date.getDate()) == tmp);\n" \
 165   "        } else { \n" \
 166   "            return ((isGMT ? date.getUTCFullYear() : date.getFullYear()) ==\n" \
 167   "tmp);\n" \
 168   "        }\n" \
 169   "    }\n" \
 170   "    var year = date.getFullYear();\n" \
 171   "    var date1, date2;\n" \
 172   "    date1 = new Date(year,  0,  1,  0,  0,  0);\n" \
 173   "    date2 = new Date(year, 11, 31, 23, 59, 59);\n" \
 174   "    var adjustMonth = false;\n" \
 175   "    for (var i = 0; i < (argc >> 1); i++) {\n" \
 176   "        var tmp = parseInt(arguments[i]);\n" \
 177   "        if (isNaN(tmp)) {\n" \
 178   "            var mon = getMonth(arguments[i]);\n" \
 179   "            date1.setMonth(mon);\n" \
 180   "        } else if (tmp < 32) {\n" \
 181   "            adjustMonth = (argc <= 2);\n" \
 182   "            date1.setDate(tmp);\n" \
 183   "        } else {\n" \
 184   "            date1.setFullYear(tmp);\n" \
 185   "        }\n" \
 186   "    }\n" \
 187   "    for (var i = (argc >> 1); i < argc; i++) {\n" \
 188   "        var tmp = parseInt(arguments[i]);\n" \
 189   "        if (isNaN(tmp)) {\n" \
 190   "            var mon = getMonth(arguments[i]);\n" \
 191   "            date2.setMonth(mon);\n" \
 192   "        } else if (tmp < 32) {\n" \
 193   "            date2.setDate(tmp);\n" \
 194   "        } else {\n" \
 195   "            date2.setFullYear(tmp);\n" \
 196   "        }\n" \
 197   "    }\n" \
 198   "    if (adjustMonth) {\n" \
 199   "        date1.setMonth(date.getMonth());\n" \
 200   "        date2.setMonth(date.getMonth());\n" \
 201   "    }\n" \
 202   "    if (isGMT) {\n" \
 203   "    var tmp = date;\n" \
 204   "        tmp.setFullYear(date.getUTCFullYear());\n" \
 205   "        tmp.setMonth(date.getUTCMonth());\n" \
 206   "        tmp.setDate(date.getUTCDate());\n" \
 207   "        tmp.setHours(date.getUTCHours());\n" \
 208   "        tmp.setMinutes(date.getUTCMinutes());\n" \
 209   "        tmp.setSeconds(date.getUTCSeconds());\n" \
 210   "        date = tmp;\n" \
 211   "    }\n" \
 212   "    return ((date1 <= date) && (date <= date2));\n" \
 213   "}\n" \
 214   "" \
 215   "function timeRange() {\n" \
 216   "    var argc = arguments.length;\n" \
 217   "    var date = new Date();\n" \
 218   "    var isGMT= false;\n" \
 219   "\n" \
 220   "    if (argc < 1) {\n" \
 221   "        return false;\n" \
 222   "    }\n" \
 223   "    if (arguments[argc - 1] == 'GMT') {\n" \
 224   "        isGMT = true;\n" \
 225   "        argc--;\n" \
 226   "    }\n" \
 227   "\n" \
 228   "    var hour = isGMT ? date.getUTCHours() : date.getHours();\n" \
 229   "    var date1, date2;\n" \
 230   "    date1 = new Date();\n" \
 231   "    date2 = new Date();\n" \
 232   "\n" \
 233   "    if (argc == 1) {\n" \
 234   "        return (hour == arguments[0]);\n" \
 235   "    } else if (argc == 2) {\n" \
 236   "        return ((arguments[0] <= hour) && (hour <= arguments[1]));\n" \
 237   "    } else {\n" \
 238   "        switch (argc) {\n" \
 239   "        case 6:\n" \
 240   "            date1.setSeconds(arguments[2]);\n" \
 241   "            date2.setSeconds(arguments[5]);\n" \
 242   "        case 4:\n" \
 243   "            var middle = argc >> 1;\n" \
 244   "            date1.setHours(arguments[0]);\n" \
 245   "            date1.setMinutes(arguments[1]);\n" \
 246   "            date2.setHours(arguments[middle]);\n" \
 247   "            date2.setMinutes(arguments[middle + 1]);\n" \
 248   "            if (middle == 2) {\n" \
 249   "                date2.setSeconds(59);\n" \
 250   "            }\n" \
 251   "            break;\n" \
 252   "        default:\n" \
 253   "          throw 'timeRange: bad number of arguments'\n" \
 254   "        }\n" \
 255   "    }\n" \
 256   "\n" \
 257   "    if (isGMT) {\n" \
 258   "        date.setFullYear(date.getUTCFullYear());\n" \
 259   "        date.setMonth(date.getUTCMonth());\n" \
 260   "        date.setDate(date.getUTCDate());\n" \
 261   "        date.setHours(date.getUTCHours());\n" \
 262   "        date.setMinutes(date.getUTCMinutes());\n" \
 263   "        date.setSeconds(date.getUTCSeconds());\n" \
 264   "    }\n" \
 265   "    return ((date1 <= date) && (date <= date2));\n" \
 266   "}\n"
 267
 268 // This is a Microsoft extension to PAC for IPv6, see:
 269 // http://blogs.msdn.com/b/wndp/archive/2006/07/13/ipv6-pac-extensions-v0-9.aspx
 270 #define PROXY_RESOLVER_SCRIPT_EX \
 271   "function isResolvableEx(host) {\n" \
 272   "    var ipList = dnsResolveEx(host);\n" \
 273   "    return (ipList != '');\n" \
 274   "}\n"
 275
 276 #endif  // NET_PROXY_PROXY_RESOLVER_SCRIPT_H_