plugin/backup.inc.php

   1 <?php
   2 /////////////////////////////////////////////////
   3 // PukiWiki - Yet another WikiWikiWeb clone.
   4 //
   5 // $Id: backup.inc.php,v 1.15 2004/08/06 16:01:48 henoheno Exp $
   6 //
   7 // ¥Ð¥Ã¥¯¥¢¥Ã¥×
   8 function plugin_backup_action()
   9 {
  10         global $script, $vars, $do_backup, $hr;
  11         global $_msg_backuplist, $_msg_diff, $_msg_nowdiff, $_msg_source, $_msg_backup;
  12         global $_msg_view, $_msg_goto, $_msg_deleted, $_msg_addline, $_msg_delline;
  13         global $_title_backupdiff, $_title_backupnowdiff, $_title_backupsource;
  14         global $_title_backup, $_title_pagebackuplist, $_title_backuplist;
  15
  16         if (!$do_backup)
  17                 return;
  18
  19         $page   = isset($vars['page'])   ? $vars['page']   : '';
  20         $s_page = $r_page = '';
  21         if ($page) {
  22                 check_readable($page, true, true);
  23                 $s_page = htmlspecialchars($page);
  24                 $r_page = rawurlencode($page);
  25         } else {
  26                 return array('msg'=>$_title_backuplist, 'body'=>get_backup_list_all());
  27         }
  28
  29         $action = isset($vars['action']) ? $vars['action'] : '';
  30         $s_action = $r_action = '';
  31         if ($action) {
  32                 if ($action == 'delete') {
  33                         return plugin_backup_delete($page);
  34                 }
  35                 $s_action = htmlspecialchars($action);
  36                 $r_action = rawurlencode($action);
  37         }
  38
  39         $s_age  = (isset($vars['age']) && is_numeric($vars['age'])) ? $vars['age'] : 0;
  40         if ($s_age == 0) {
  41                 return array( 'msg'=>$_title_pagebackuplist, 'body'=>get_backup_list($page));
  42         }
  43
  44         $body  = "<ul>\n";
  45         $body .= " <li><a href=\"$script?cmd=backup\">$_msg_backuplist</a></li>\n";
  46
  47         $href = "$script?cmd=backup&amp;page=$r_page&amp;age=$s_age";
  48         $is_page = is_page($page);
  49
  50         if ($is_page) {
  51                 if ($action != 'diff')
  52                         $body .= ' <li>' . str_replace('$1', "<a href=\"$href&amp;action=diff\">$_msg_diff</a>", $_msg_view) . "</li>\n";
  53                 if ($action != 'nowdiff')
  54                         $body .= ' <li>' . str_replace('$1', "<a href=\"$href&amp;action=nowdiff\">$_msg_nowdiff</a>", $_msg_view) . "</li>\n";
  55         }
  56
  57         if ($action != 'source')
  58                 $body .= ' <li>' . str_replace('$1', "<a href=\"$href&amp;action=source\">$_msg_source</a>", $_msg_view) . "</li>\n";
  59
  60         if ($action)
  61                 $body .= ' <li>' . str_replace('$1', "<a href=\"$href\">$_msg_backup</a>", $_msg_view) . "</li>\n";
  62
  63         if ($is_page) {
  64                 $body .= ' <li>' . str_replace('$1', "<a href=\"$script?$r_page\">$s_page</a>", $_msg_goto) . "\n";
  65         } else {
  66                 $body .= ' <li>' . str_replace('$1', $s_page, $_msg_deleted) . "\n";
  67         }
  68
  69         $backups = get_backup($page);
  70         if (count($backups) > 0)
  71         {
  72                 $body .= "  <ul>\n";
  73                 foreach($backups as $age => $val)
  74                 {
  75                         $date = format_date($val['time'],TRUE);
  76                         $body .= ($age == $s_age) ?
  77                                 "   <li><em>$age $date</em></li>\n" :
  78                                 "   <li><a href=\"$script?cmd=backup&amp;action=$r_action&amp;page=$r_page&amp;age=$age\">$age $date</a></li>\n";
  79                 }
  80                 $body .= "  </ul>\n";
  81         }
  82         $body .= " </li>\n";
  83         $body .= "</ul>\n";
  84
  85         if ($action == 'diff')
  86         {
  87                 $old = ($s_age > 1) ? join('',$backups[$s_age - 1]['data']) : '';
  88                 $cur = join('',$backups[$s_age]['data']);
  89                 $body .= plugin_backup_diff(do_diff($old,$cur));
  90
  91                 return array('msg'=>str_replace('$2',$s_age,$_title_backupdiff),'body'=>$body);
  92         }
  93         else if ($s_action == 'nowdiff')
  94         {
  95                 $old = join('',$backups[$s_age]['data']);
  96                 $cur = join('',get_source($page));
  97                 $body .= plugin_backup_diff(do_diff($old,$cur));
  98
  99                 return array('msg'=>str_replace('$2',$s_age,$_title_backupnowdiff),'body'=>$body);
 100         }
 101         else if ($s_action == 'source')
 102         {
 103                 $body .= "<pre>".htmlspecialchars(join('',$backups[$s_age]['data']))."</pre>\n";
 104
 105                 return array('msg'=>str_replace('$2',$s_age,$_title_backupsource),'body'=>$body);
 106         }
 107         // else
 108         $body .= "$hr\n".drop_submit(convert_html($backups[$s_age]['data']));
 109
 110         return array('msg'=>str_replace('$2',$s_age,$_title_backup),'body'=>$body);
 111 }
 112
 113 // ¥Ð¥Ã¥¯¥¢¥Ã¥×¤òºï½ü
 114 function plugin_backup_delete($page)
 115 {
 116         global $script, $vars;
 117         global $_title_backup_delete, $_msg_backup_deleted, $_msg_backup_delete;
 118         global $_msg_backup_adminpass, $_btn_delete, $_msg_invalidpass;
 119
 120         if (!backup_file_exists($page))
 121                 return array('msg'=>$_title_pagebackuplist, 'body'=>get_backup_list($page)); // Say "is not found"
 122
 123         $body = '';
 124         if (isset($vars['pass'])) {
 125                 if (pkwk_login($vars['pass'])) {
 126                         backup_delete($page);
 127                         return array(
 128                                 'msg'  => $_title_backup_delete,
 129                                 'body' => str_replace('$1',make_pagelink($page),$_msg_backup_deleted)
 130                         );
 131                 } else {
 132                         $body = "<p><strong>$_msg_invalidpass</strong></p>\n";
 133                 }
 134         }
 135
 136         $s_page = htmlspecialchars($page);
 137         $body .= <<<EOD
 138 <p>$_msg_backup_adminpass</p>
 139 <form action="$script" method="post">
 140  <div>
 141   <input type="hidden"   name="cmd"    value="backup" />
 142   <input type="hidden"   name="page"   value="$s_page" />
 143   <input type="hidden"   name="action" value="delete" />
 144   <input type="password" name="pass"   size="12" />
 145   <input type="submit"   name="ok"     value="$_btn_delete" />
 146  </div>
 147 </form>
 148 EOD;
 149         return  array('msg'=>$_title_backup_delete,'body'=>$body);
 150 }
 151
 152 function plugin_backup_diff($str)
 153 {
 154         global $_msg_addline, $_msg_delline,$hr;
 155
 156         $str = htmlspecialchars($str);
 157         $str = preg_replace('/^(\-)(.*)$/m', '<span class="diff_removed"> $2</span>', $str);
 158         $str = preg_replace('/^(\+)(.*)$/m', '<span class="diff_added"> $2</span>', $str);
 159         $str = trim($str);
 160         $str = <<<EOD
 161 $hr
 162 <ul>
 163  <li>$_msg_addline</li>
 164  <li>$_msg_delline</li>
 165 </ul>
 166 <pre>$str</pre>
 167 EOD;
 168
 169         return $str;
 170 }
 171
 172 // ¥Ð¥Ã¥¯¥¢¥Ã¥×°ìÍ÷¤ò¼èÆÀ
 173 function get_backup_list($page)
 174 {
 175         global $script;
 176         global $_msg_backuplist, $_msg_diff, $_msg_nowdiff, $_msg_source, $_msg_nobackup;
 177         global $_title_backup_delete;
 178
 179         $r_page = rawurlencode($page);
 180         $s_page = htmlspecialchars($page);
 181         $retval = array();
 182         $retval[0] = <<<EOD
 183 <ul>
 184  <li><a href="$script?cmd=backup">$_msg_backuplist</a>
 185   <ul>
 186 EOD;
 187         $retval[1] = "\n";
 188         $retval[2] = <<<EOD
 189   </ul>
 190  </li>
 191 </ul>
 192 EOD;
 193
 194         $backups = backup_file_exists($page) ? get_backup($page) : array();
 195         if (count($backups) == 0)
 196         {
 197                 $msg = str_replace('$1',make_pagelink($page), $_msg_nobackup);
 198                 $retval[1] .= "   <li>$msg</li>\n";
 199                 return join('',$retval);
 200         }
 201         $retval[1] .= "   <li><a href=\"$script?cmd=backup&amp;action=delete&amp;page=$r_page\">";
 202         $retval[1] .= str_replace('$1',$s_page,$_title_backup_delete);
 203         $retval[1] .= "</a></li>\n";
 204         foreach ($backups as $age=>$data) {
 205                 $date = format_date($data['time'],TRUE);
 206                 $href = "$script?cmd=backup&amp;page=$r_page&amp;age=$age";
 207                 $retval[1] .= <<<EOD
 208    <li><a href="$href">$age $date</a>
 209      [ <a href="$href&amp;action=diff">$_msg_diff</a>
 210      | <a href="$href&amp;action=nowdiff">$_msg_nowdiff</a>
 211      | <a href="$href&amp;action=source">$_msg_source</a>
 212      ]
 213    </li>
 214 EOD;
 215         }
 216         return join('',$retval);
 217 }
 218
 219 // Á´¥Ú¡¼¥¸¤Î¥Ð¥Ã¥¯¥¢¥Ã¥×°ìÍ÷¤ò¼èÆÀ
 220 function get_backup_list_all($withfilename = FALSE)
 221 {
 222         global $cantedit;
 223
 224         $pages = array_diff(get_existpages(BACKUP_DIR, BACKUP_EXT), $cantedit);
 225
 226         if (count($pages) == 0)
 227                 return '';
 228
 229         return page_list($pages,'backup',$withfilename);
 230 }
 231 ?>