nucleus/upgrades/upgrade.functions.php

   1 <?php
   2
   3         /*
   4          * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
   5          * Copyright (C) 2002-2009 The Nucleus Group
   6          *
   7          * This program is free software; you can redistribute it and/or
   8          * modify it under the terms of the GNU General Public License
   9          * as published by the Free Software Foundation; either version 2
  10          * of the License, or (at your option) any later version.
  11          * (see nucleus/documentation/index.html#license for more info)
  12          */
  13         /**
  14          * Some functions common to all upgrade scripts
  15          *
  16          * @license http://nucleuscms.org/license.txt GNU General Public License
  17          * @copyright Copyright (C) 2002-2009 The Nucleus Group
  18          * @version $Id$
  19          * $NucleusJP: upgrade.functions.php,v 1.10 2007/04/26 06:20:19 kimitake Exp $
  20          */
  21
  22         include('../../config.php');
  23
  24         // sql_table function did not exists in nucleus <= 2.0
  25         if (!function_exists('sql_table'))
  26         {
  27                 function sql_table($name) {
  28                         return 'nucleus_' . $name;
  29                 }
  30         }
  31
  32         //intGetVar did not exist in very early versions
  33         if (!function_exists('intGetVar')) {
  34                 function intGetVar($name) {
  35                         if (defined($_GET)) {
  36                                 return intval($_GET[$name]);
  37                         } else {
  38                                 global $HTTP_GET_VARS;
  39                                 return intval($HTTP_GET_VARS[$name]);
  40                         }
  41                 }
  42         }
  43
  44         function upgrade_checkinstall($version) {
  45                 $installed = 0;
  46
  47                 switch($version) {
  48                         case '95':
  49                                 $query = 'SELECT bconvertbreaks FROM '.sql_table('blog').' LIMIT 1';
  50                                 $minrows = -1;
  51                                 break;
  52                         case '96':
  53                                 $query = 'SELECT cip FROM '.sql_table('comment').' LIMIT 1';
  54                                 $minrows = -1;
  55                                 break;
  56                         case '10':
  57                                 $query = 'SELECT mcookiekey FROM '.sql_table('member').' LIMIT 1';
  58                                 $minrows = -1;
  59                                 break;
  60                         case '11':
  61                                 $query = 'SELECT bnotifytype FROM '.sql_table('blog').' LIMIT 1';
  62                                 $minrows = -1;
  63                                 break;
  64                         case '15':
  65                                 $query = 'SELECT * FROM '.sql_table('plugin_option').' LIMIT 1';
  66                                 $minrows = -1;
  67                                 break;
  68                         case '20':
  69                                 $query = 'SELECT sdincpref FROM '.sql_table('skin_desc').' LIMIT 1';
  70                                 $minrows = -1;
  71                                 break;
  72                         // dev only (v2.2)
  73                         case '22':
  74                                 $query = 'SELECT oid FROM '.sql_table('plugin_option_desc').' LIMIT 1';
  75                                 $minrows = -1;
  76                                 break;
  77                         // v2.5 beta
  78                         case '24':
  79                                 $query = 'SELECT bincludesearch FROM ' . sql_table('blog') . ' LIMIT 1';
  80                                 $minrows = -1;
  81                                 break;
  82                         case '25':
  83                                 $query = 'SELECT * FROM '.sql_table('config').' WHERE name=\'DatabaseVersion\' and value >= 250 LIMIT 1';
  84                                 $minrows = 1;
  85                                 break;
  86                         case '30':
  87                                 $query = 'SELECT * FROM '.sql_table('config').' WHERE name=\'DatabaseVersion\' and value >= 300 LIMIT 1';
  88                                 $minrows = 1;
  89                                 break;
  90                         case '31':
  91                                 $query = 'SELECT * FROM '.sql_table('config').' WHERE name=\'DatabaseVersion\' and value >= 310 LIMIT 1';
  92                                 $minrows = 1;
  93                                 break;
  94                         case '32':
  95                                 $query = 'SELECT * FROM '.sql_table('config').' WHERE name=\'DatabaseVersion\' and value >= 320 LIMIT 1';
  96                                 $minrows = 1;
  97                                 break;
  98                         case '33':
  99                                 $query = 'SELECT * FROM '.sql_table('config').' WHERE name=\'DatabaseVersion\' and value >= 330 LIMIT 1';
 100                                 $minrows = 1;
 101                                 break;
 102                         case '331':
 103                                 $query = 'SELECT * FROM '.sql_table('config').' WHERE name=\'DatabaseVersion\' and value >= 331 LIMIT 1';
 104                                 $minrows = 1;
 105                                 break;
 106                 }
 107
 108                 $res = mysql_query($query);
 109                 $installed = ($res != 0) && (mysql_num_rows($res) >= $minrows);
 110
 111                 return $installed;
 112         }
 113
 114
 115         /** this function gets the nucleus version, even if the getNucleusVersion
 116          * function does not exist yet
 117          * return 96 for all versions < 100
 118          */
 119         function upgrade_getNucleusVersion() {
 120                 if (!function_exists('getNucleusVersion')) return 96;
 121                 return getNucleusVersion();
 122         }
 123
 124         function upgrade_showLogin($type) {
 125                 upgrade_head();
 126         ?>
 127                 <h1>まずはログインして下さい</h1>
 128                 <p>下記の情報を入力して下さい:</p>
 129
 130                 <form method="post" action="<?php echo $type?>">
 131
 132                         <ul>
 133                                 <li>名前: <input name="login" /></li>
 134                                 <li>パスワード <input name="password" type="password" /></li>
 135                         </ul>
 136
 137                         <p>
 138                                 <input name="action" value="login" type="hidden" />
 139                                 <input type="submit" value="ログイン" />
 140                         </p>
 141
 142                 </form>
 143         <?php           upgrade_foot();
 144                 exit;
 145         }
 146
 147         function upgrade_head() {
 148         ?>
 149                         <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 150                         <html xmlns="http://www.w3.org/1999/xhtml">
 151                         <head>
 152                                 <meta http-equiv="content-type" content="application/xhtml+xml; charset=UTF-8" />
 153                                 <title>Nucleus アップグレード</title>
 154 <?php if (file_exists("../styles/manual.css")) { ?>
 155                                 <link rel="stylesheet" href="../styles/manual.css" type="text/css" />
 156 <?php }else{ ?>
 157                                 <style type="text/css"><!--
 158                                         .warning {
 159                                                 color: red;
 160                                         }
 161                                         .ok {
 162                                                 color: green;
 163                                         }
 164                                 --></style>
 165 <?php } ?>
 166                         </head>
 167                         <body>
 168         <?php   }
 169
 170         function upgrade_foot() {
 171         ?>
 172                         </body>
 173                         </html>
 174         <?php   }
 175
 176         function upgrade_error($msg) {
 177                 upgrade_head();
 178                 ?>
 179                 <h1>エラー!</h1>
 180
 181                 <p>メッセージは以下の通り:</p>
 182
 183                 <blockquote><div>
 184                 <?php echo $msg?>
 185                 </div></blockquote>
 186
 187                 <p><a href="index.php" onclick="history.back();">戻る</a></p>
 188                 <?php
 189                 upgrade_foot();
 190                 exit;
 191         }
 192
 193
 194         function upgrade_start() {
 195                 global $upgrade_failures;
 196                 $upgrade_failures = 0;
 197
 198                 upgrade_head();
 199                 ?>
 200                 <h1>アップグレードの実行</h1>
 201                 <ul>
 202                 <?php   }
 203
 204         function upgrade_end($msg = "") {
 205                 global $upgrade_failures;
 206                 if ($upgrade_failures > 0)
 207                         $msg = "いくつかのデータベース操作に失敗しました。もし以前にこのアップグレードスクリプトを実行していたのであれば、問題ないと思われます。";
 208
 209                 ?>
 210                 </ul>
 211
 212                 <h1>アップグレード完了!</h1>
 213
 214                 <p><?php echo $msg?></p>
 215
 216                 <p><a href="index.php">アップグレード最初のページ</a>にもどる</p>
 217
 218                 <?php
 219                 upgrade_foot();
 220                 exit;
 221         }
 222
 223         /**
 224           * Tries to execute a query, gives a message when failed
 225           *
 226           * @param friendly name
 227           * @param query
 228           */
 229         function upgrade_query($friendly, $query) {
 230                 global $upgrade_failures;
 231
 232                 echo "<li>$friendly ... ";
 233                 $res = mysql_query($query);
 234                 if (!$res) {
 235                         echo "<span style='color:red'>失敗</span>\n";
 236                         echo "<blockquote>失敗の理由: " . mysql_error() . " </blockquote>";
 237                         $upgrade_failures++;
 238                 } else {
 239                         echo "<span style='color:green'>成功!</span><br />\n";
 240                 }
 241                 echo "</li>";
 242                 return $res;
 243         }
 244
 245         /**
 246           * Tries to update database version, gives a message when failed
 247           *
 248           * @param $version
 249           *     Schema version the database has been upgraded to
 250           */
 251         function update_version($version) {
 252                 global $upgrade_failures;
 253                 $message='Updating DatabaseVersion in config table to '.$version;
 254                 if(0==$upgrade_failures){
 255                         $query = 'UPDATE ' . sql_table('config') . ' set value=\''.$version.'\' where name=\'DatabaseVersion\'';
 256                         upgrade_query($message, $query);
 257                 }else
 258                         echo '<li>'.$message.' ... <span class="warning">NOT EXECUTED</span>\n<blockquote>Errors occurred during upgrade process.</blockquote>';
 259         }
 260
 261         /**
 262          * @param $table
 263          *              table to check (without prefix)
 264          * @param $aColumns
 265          *              array of column names included
 266          */
 267         function upgrade_checkIfIndexExists($table, $aColumns) {
 268                 // get info for indices from database
 269
 270                 $aIndices = array();
 271                 $query = 'show index from ' . sql_table($table);
 272                 $res = mysql_query($query);
 273                 while ($o = mysql_fetch_object($res)) {
 274                         if (!$aIndices[$o->Key_name]) {
 275                                 $aIndices[$o->Key_name] = array();
 276                         }
 277                         array_push($aIndices[$o->Key_name], $o->Column_name);
 278                 }
 279
 280                 // compare each index with parameter
 281                 foreach ($aIndices as $keyName => $aIndexColumns) {
 282                         $aDiff = array_diff($aIndexColumns, $aColumns);
 283                         if (count($aDiff) == 0) return 1;
 284                 }
 285
 286                 return 0;
 287
 288         }
 289
 290         /**
 291           * Checks to see if a given table exists
 292           *
 293           * @param $table
 294           *     Name of table to check for existance of
 295           *     Uses sql_table internally
 296           * @return true if table exists, false otherwise.
 297           */
 298         function upgrade_checkIfTableExists($table){
 299                 $query = 'SHOW TABLES LIKE \''.sql_table($table).'\'';
 300                 $res = mysql_query($query);
 301                 return ($res != 0) && (mysql_num_rows($res) == 1);
 302         }
 303
 304         /**
 305           * Checks to see if a given configuration value exists
 306           *
 307           * @param $value
 308           *     Config value to check for existance of.
 309           *     Paramater must be MySQL escaped
 310           * @return true if configuration value exists, false otherwise.
 311           */
 312         function upgrade_checkIfCVExists($value){
 313                 $query = 'SELECT name from '.sql_table('config').' WHERE name = \''.$value.'\'';
 314                 $res = mysql_query($query);
 315                 return ($res != 0) && (mysql_num_rows($res) == 1);
 316         }
 317
 318         /**
 319           * Checks to see if a given column exists
 320           *
 321           * @param $table
 322           *     Name of table to check for column in
 323           *     Uses sql_table internally
 324           * @param $col
 325           *     Name of column to check for existance of
 326           * @return true if column exists, false otherwise.
 327           */
 328         function upgrade_checkIfColumnExists($table, $col){
 329                 $query = 'DESC `'.sql_table($table).'` `'.$col.'`';
 330                 $res = mysql_query($query);
 331                 return ($res != 0) && (mysql_num_rows($res) == 1);
 332         }
 333 ?>