plugin/backup.inc.php

   1 <?php
   2 /////////////////////////////////////////////////
   3 // PukiWiki - Yet another WikiWikiWeb clone.
   4 //
   5 // $Id: backup.inc.php,v 1.9 2003/06/23 13:25:14 arino 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         {
  18                 return;
  19         }
  20
  21         check_readable($vars['page'], true, true);
  22
  23         $page = $s_page = $r_page = '';
  24         if (array_key_exists('page',$vars))
  25         {
  26                 $page   = $vars['page'];
  27                 $s_page = htmlspecialchars($page);
  28                 $r_page = rawurlencode($page);
  29         }
  30         $s_age = (array_key_exists('age',$vars) and is_numeric($vars['age'])) ? $vars['age'] : 0;
  31         $action = $s_action = $r_action = '';
  32         if (array_key_exists('action',$vars))
  33         {
  34                 $action = $vars['action'];
  35                 $s_action = htmlspecialchars($action);
  36                 $r_action = rawurlencode($action);
  37         }
  38
  39         $body = '';
  40
  41         if ($page == '')
  42         {
  43                 return array('msg'=>$_title_backuplist,'body'=>get_backup_list_all());
  44         }
  45         if ($action == 'delete')
  46         {
  47                 return plugin_backup_delete($page);
  48         }
  49         if ($s_age == 0)
  50         {
  51                 return array(
  52                         'msg'  => $_title_pagebackuplist,
  53                         'body' => get_backup_list($page)
  54                 );
  55         }
  56
  57         $body  = "<ul>\n";
  58         $body .= " <li><a href=\"$script?cmd=backup\">$_msg_backuplist</a></li>\n";
  59
  60         $href = "$script?cmd=backup&amp;page=$r_page&amp;age=$s_age";
  61
  62         if ($action != 'diff' and is_page($page))
  63         {
  64                 $body .= " <li>".str_replace('$1',"<a href=\"$href&amp;action=diff\">$_msg_diff</a>",$_msg_view)."</li>\n";
  65         }
  66         if ($action != 'nowdiff' and is_page($page))
  67         {
  68                 $body .= " <li>".str_replace('$1',"<a href=\"$href&amp;action=nowdiff\">$_msg_nowdiff</a>",$_msg_view)."</li>\n";
  69         }
  70         if ($action != 'source')
  71         {
  72                 $body .= " <li>".str_replace('$1',"<a href=\"$href&amp;action=source\">$_msg_source</a>",$_msg_view)."</li>\n";
  73         }
  74         if ($action != '')
  75         {
  76                 $body .= " <li>".str_replace('$1',"<a href=\"$href\">$_msg_backup</a>",$_msg_view)."</li>\n";
  77         }
  78
  79         if (is_page($page))
  80         {
  81                 $body .= " <li>".str_replace('$1',"<a href=\"$script?$r_page\">$s_page</a>",$_msg_goto)."</li>\n";
  82         }
  83         else
  84         {
  85                 $body .= " <li>".str_replace('$1',$s_page,$_msg_deleted)."</li>\n";
  86         }
  87
  88         $backups = get_backup($page);
  89         if (count($backups) > 0)
  90         {
  91                 $body .= "  <ul>\n";
  92                 foreach($backups as $age => $val)
  93                 {
  94                         $date = format_date($val['time'],TRUE);
  95                         $body .= ($age == $s_age) ?
  96                                 "   <li><em>$age $date</em></li>\n" :
  97                                 "   <li><a href=\"$script?cmd=backup&amp;action=$r_action&amp;page=$r_page&amp;age=$age\">$age $date</a></li>\n";
  98                 }
  99                 $body .= "  </ul>\n";
 100         }
 101         $body .= " </li>\n";
 102         $body .= "</ul>\n";
 103
 104         if ($action == 'diff')
 105         {
 106                 $old = ($s_age > 1) ? join('',$backups[$s_age - 1]['data']) : '';
 107                 $cur = join('',$backups[$s_age]['data']);
 108                 $body .= plugin_backup_diff(do_diff($old,$cur));
 109
 110                 return array('msg'=>str_replace('$2',$s_age,$_title_backupdiff),'body'=>$body);
 111         }
 112         else if ($s_action == 'nowdiff')
 113         {
 114                 $old = join('',$backups[$s_age]['data']);
 115                 $cur = join('',get_source($page));
 116                 $body .= plugin_backup_diff(do_diff($old,$cur));
 117
 118                 return array('msg'=>str_replace('$2',$s_age,$_title_backupnowdiff),'body'=>$body);
 119         }
 120         else if ($s_action == 'source')
 121         {
 122                 $body .= "<pre>".htmlspecialchars(join('',$backups[$s_age]['data']))."</pre>\n";
 123
 124                 return array('msg'=>str_replace('$2',$s_age,$_title_backupsource),'body'=>$body);
 125         }
 126         // else
 127         $body .= "$hr\n".drop_submit(convert_html($backups[$s_age]['data']));
 128
 129         return array('msg'=>str_replace('$2',$s_age,$_title_backup),'body'=>$body);
 130 }
 131 // ¥Ð¥Ã¥¯¥¢¥Ã¥×¤òºï½ü
 132 function plugin_backup_delete($page)
 133 {
 134         global $script,$post,$adminpass;
 135         global $_title_backup_delete,$_msg_backup_deleted,$_msg_backup_delete;
 136         global $_msg_backup_adminpass,$_btn_delete,$_msg_invalidpass;
 137
 138         if (!backup_file_exists($page))
 139         {
 140                 return;
 141         }
 142         $s_page = htmlspecialchars($page);
 143         $pass = array_key_exists('pass',$post) ? $post['pass'] : NULL;
 144
 145         if (md5($pass) == $adminpass)
 146         {
 147                 backup_delete($page);
 148                 return array(
 149                         'msg'  => $_title_backup_delete,
 150                         'body' => str_replace('$1',make_pagelink($page),$_msg_backup_deleted)
 151                 );
 152         }
 153         $body = ($pass === NULL) ? '' : "<p><strong>$_msg_invalidpass</strong></p>\n";
 154
 155         $msg_delete = str_replace('$1',make_pagelink($page),$_msg_backup_delete);
 156         $body .= <<<EOD
 157 <p>$_msg_backup_adminpass</p>
 158 <form action="$script" method="post">
 159  <div>
 160   <input type="hidden" name="cmd" value="backup" />
 161   <input type="hidden" name="page" value="$s_page" />
 162   <input type="hidden" name="action" value="delete" />
 163   <input type="password" name="pass" size="12" />
 164   <input type="submit" name="ok" value="$_btn_delete" />
 165  </div>
 166 </form>
 167 EOD;
 168         return  array('msg'=>$_title_backup_delete,'body'=>$body);
 169 }
 170 function plugin_backup_diff($str)
 171 {
 172         global $_msg_addline,$_msg_delline,$hr;
 173
 174         $str = htmlspecialchars($str);
 175         $str = preg_replace('/^(\-)(.*)$/m','<span class="diff_removed"> $2</span>',$str);
 176         $str = preg_replace('/^(\+)(.*)$/m','<span class="diff_added"> $2</span>',$str);
 177         $str = trim($str);
 178         $str = <<<EOD
 179 $hr
 180 <ul>
 181  <li>$_msg_addline</li>
 182  <li>$_msg_delline</li>
 183 </ul>
 184 <pre>$str</pre>
 185 EOD;
 186
 187         return $str;
 188 }
 189
 190 // ¥Ð¥Ã¥¯¥¢¥Ã¥×°ìÍ÷¤ò¼èÆÀ
 191 function get_backup_list($page)
 192 {
 193         global $script;
 194         global $_msg_backuplist,$_msg_diff,$_msg_nowdiff,$_msg_source,$_msg_nobackup;
 195         global $_title_backup_delete;
 196
 197         $r_page = rawurlencode($page);
 198         $s_page = htmlspecialchars($page);
 199         $retval = array();
 200         $retval[0] = <<<EOD
 201 <ul>
 202  <li><a href="$script?cmd=backup">$_msg_backuplist</a>
 203   <ul>
 204 EOD;
 205         $retval[1] = "\n";
 206         $retval[2] = <<<EOD
 207   </ul>
 208  </li>
 209 </ul>
 210 EOD;
 211
 212         $backups = backup_file_exists($page) ? get_backup($page) : array();
 213         if (count($backups) == 0)
 214         {
 215                 $msg = str_replace('$1',make_pagelink($page),$_msg_nobackup);
 216                 $retval[1] .= "   <li>$msg</li>\n";
 217                 return join('',$retval);
 218         }
 219         $retval[1] .= "   <li><a href=\"$script?cmd=backup&amp;action=delete&amp;page=$r_page\">";
 220         $retval[1] .= str_replace('$1',$s_page,$_title_backup_delete);
 221         $retval[1] .= "</a></li>\n";
 222         foreach ($backups as $age=>$data) {
 223                 $date = format_date($data['time'],TRUE);
 224                 $href = "$script?cmd=backup&amp;page=$r_page&amp;age=$age";
 225                 $retval[1] .= <<<EOD
 226    <li><a href="$href">$age $date</a>
 227      [ <a href="$href&amp;action=diff">$_msg_diff</a>
 228      | <a href="$href&amp;action=nowdiff">$_msg_nowdiff</a>
 229      | <a href="$href&amp;action=source">$_msg_source</a>
 230      ]
 231    </li>
 232 EOD;
 233         }
 234         return join('',$retval);
 235 }
 236 // Á´¥Ú¡¼¥¸¤Î¥Ð¥Ã¥¯¥¢¥Ã¥×°ìÍ÷¤ò¼èÆÀ
 237 function get_backup_list_all($withfilename = FALSE)
 238 {
 239         global $cantedit;
 240
 241         $pages = array_diff(get_existpages(BACKUP_DIR,BACKUP_EXT),$cantedit);
 242
 243         if (count($pages) == 0)
 244         {
 245                 return '';
 246         }
 247
 248         return page_list($pages,'backup',$withfilename);
 249 }
 250 ?>