include/timezones/check.php

   1 <?php
   2 /**
   3  * SquirrelMail time zone library - time zone validation script.
   4  *
   5  * Copyright (c) 2005 The SquirrelMail Project Team
   6  * This file is part of SquirrelMail webmail interface.
   7  *
   8  * SquirrelMail is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * SquirrelMail is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with SquirrelMail; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  * @version $Id$
  23  * @package squirrelmail
  24  * @subpackage timezones
  25  */
  26
  27 /** @ignore */
  28 define('SM_PATH','../../');
  29
  30 /** Send http header */
  31 header('Content-Type: text/plain');
  32
  33 /** Information about script */
  34 echo "--------------------------------------------\n"
  35     ." SquirrelMail time zone library test script\n"
  36     ."--------------------------------------------\n";
  37
  38 /** load SM config */
  39 unset($time_zone_type);
  40 if (file_exists(SM_PATH.'config/config.php')) {
  41     include(SM_PATH.'config/config.php');
  42 } else {
  43     echo "SquirrelMail configuration file is missing.\n";
  44     exit();
  45 }
  46
  47 /**
  48  * Script does not test, if standard time zone libraries are missing.
  49  * If they are missing or corrupted - php can fail, scream and show
  50  * finger or other parts of interpreter.
  51  */
  52
  53 /** load original reference */
  54 include(SM_PATH.'include/timezones/standard_orig.php');
  55
  56 /** move timezones to different array */
  57 $aTimeZonesOrig = $aTimeZones;
  58 unset($aTimeZones);
  59
  60 if (! isset($time_zone_type) || $time_zone_type == 0 || $time_zone_type == 1) {
  61     /** load new time zone library */
  62     include(SM_PATH.'include/timezones/standard.php');
  63 } elseif ($time_zone_type == 2 || $time_zone_type == 3) {
  64     /** load custom time zone library */
  65     $aTimeZones=array();
  66     if (file_exists(SM_PATH . 'config/timezones.php')) {
  67         include(SM_PATH.'config/timezones.php');
  68     } else {
  69         echo "ERROR: config/timezones.php is missing.\n";
  70         exit();
  71     }
  72 } else {
  73     echo "ERROR: invalid value in time_zone_type configuration.\n";
  74     exit();
  75 }
  76
  77 if (! isset($aTimeZones) || ! is_array($aTimeZones) || empty($aTimeZones)) {
  78     echo "ERROR: timezones array is missing or empty.\n";
  79     exit();
  80 }
  81
  82 $error = false;
  83
  84 /** test backward compatibility */
  85 echo "Testing backward compatibility:\n"
  86     ."  Failed time zones:\n";
  87 foreach ($aTimeZonesOrig as $TzKey => $TzData) {
  88     if (! isset($aTimeZones[$TzKey])) {
  89         echo '    '.$TzKey."\n";
  90         $error = true;
  91     }
  92 }
  93 if (! $error) {
  94     echo "    none. Looking good.\n";
  95 } else {
  96     // error is not fatal, but test should fail only with limited custom time zone sets
  97 }
  98
  99 echo "\n";
 100
 101 /** test forward compatibility */
 102 $error = false;
 103 echo "Testing forward compatibility:\n"
 104     ."  New time zones:\n";
 105 foreach ($aTimeZones as $TzKey => $TzData) {
 106     if (! isset($aTimeZonesOrig[$TzKey])) {
 107         echo '    '.$TzKey."\n";
 108         $error = true;
 109     }
 110 }
 111 if (! $error) {
 112     echo "    no new time zones.\n";
 113 } else {
 114     // error is not fatal. test should show new time zones, that are not
 115     // present in timezones.cfg
 116 }
 117
 118 echo "\n";
 119
 120 /** test links */
 121 $error = false;
 122 echo "Testing time zone links:\n"
 123     ."  Failed time zone links:\n";
 124 foreach ($aTimeZones as $TzKey => $TzData) {
 125     if (isset($TzData['LINK']) && ! isset($aTimeZones[$TzData['LINK']]['TZ'])) {
 126         echo '    '.$TzKey.' = '.$TzData['LINK']."\n";
 127         $error = true;
 128     }
 129 }
 130 if (! $error) {
 131     echo "    none. Looking good.\n";
 132 } else {
 133     // error is fatal. 'LINK' should always reffer to existing 'TZ' entries
 134 }
 135
 136 echo "\n";
 137
 138 /** Test TZ subkeys */
 139 $error = false;
 140 echo "Testing time zone TZ subkeys:\n"
 141     ."  Failed time zone TZ subkeys:\n";
 142 foreach ($aTimeZones as $TzKey => $TzData) {
 143     if (! isset($TzData['LINK']) && ! isset($TzData['TZ'])) {
 144         echo '    '.$TzKey."\n";
 145         $error = true;
 146     }
 147 }
 148 if (! $error) {
 149     echo "    none. Looking good.\n";
 150 } else {
 151     // LINK or TZ are required for strict time zones. Interface won't break, but
 152     // any error means inconsistency in time zone array.
 153 }
 154
 155 echo "\n";
 156
 157 /** Test NAME subkeys */
 158 $error = false;
 159 echo "Testing time zone NAME subkeys:\n"
 160     ."  Time zones without NAME subkeys:\n";
 161 foreach ($aTimeZones as $TzKey => $TzData) {
 162     if (isset($TzData['TZ']) && ! isset($TzData['NAME'])) {
 163         echo '    '.$TzKey."\n";
 164         $error = true;
 165     }
 166 }
 167 if (! $error) {
 168     echo "    none.\n";
 169 } else {
 170     // error is not fatal. It would be nice if all geographic locations
 171     // use some human readable name
 172 }
 173
 174 echo "\n";
 175
 176 /** Test TZ subkeys with UCT/UTC/GMT offsets */
 177 $error = false;
 178 echo "Testing TZ subkeys with UCT/UTC/GMT offsets:\n"
 179     ."  Time zones UCT/UTC/GMT offsets:\n";
 180 foreach ($aTimeZones as $TzKey => $TzData) {
 181     if (isset($TzData['TZ']) && preg_match("/^(UCT)|(UTC)|(GMT).+/i",$TzData['TZ'])) {
 182         echo '    '.$TzKey.' = '.$TzData['TZ']."\n";
 183         $error = true;
 184     }
 185 }
 186 if (! $error) {
 187     echo "    none.\n";
 188 } else {
 189     // I think error is fatal for UCT with offsets. date('T',time()) is corrupted.
 190 }
 191
 192 echo "\n";
 193
 194 /** Test TZ subkeys with custom TZ values and no offsets */
 195 $error = false;
 196 echo "Testing TZ subkeys with custom TZ values and no offsets:\n"
 197     ."  Time zones with custom TZ values and no offsets:\n";
 198 foreach ($aTimeZones as $TzKey => $TzData) {
 199     if (isset($TzData['TZ']) &&
 200         ! preg_match("/^((UCT)|(UTC)|(GMT).+)|(GMT)$/i",$TzData['TZ']) &&
 201         preg_match("/^[a-z]+$/i",$TzData['TZ'])) {
 202         echo '    '.$TzKey.' = '.$TzData['TZ']."\n";
 203         $error = true;
 204     }
 205 }
 206 if (! $error) {
 207     echo "    none.\n";
 208 } else {
 209     // I think error is fatal. Time zone formating requires time zone name and offset from GMT.
 210 }
 211
 212 echo "\n";
 213
 214 echo "Done!\n";
 215 ?>