lib/class.page.php

   1 <?php
   2 // $Id$
   3
   4 class page
   5 {
   6         public $sitename = 'Special Ops';
   7         public $title;
   8         public $lang;
   9         public $nav = array();
  10
  11         private $errors = array();
  12
  13         const Pageheader = 1;
  14         const Userheader = 2;
  15         public $headers = 0;
  16
  17         function __construct()
  18         {
  19                 set_error_handler(array($this, 'error_handler'));
  20
  21                 if ( strpos($_SERVER['PHP_SELF'], 'index') === false ) {
  22                         $this->nav['Board List'] = '.';
  23                 }
  24         }
  25
  26         public function pageheader()
  27         {
  28                 global $user, $DB;
  29
  30                 switch ( $user->theme ) {
  31                         case -1:
  32                                 $css = array('default', 'Default Theme'); break;
  33                         case 0:
  34                                 $css = array('u'.$user->userid, 'User Theme'); break;
  35                         default:
  36                                 $css = $DB->query('SELECT `css_file`, `theme_name` FROM `themes` WHERE `themeid` = '.$user->theme)->fetch_row();
  37                 }
  38
  39                 header('Content-Type: application/xhtml+xml; charset=UTF-8');
  40                 if ( isset($_POST['login'], $_POST['u'], $_POST['p']) && ! ($user instanceof authuser) ) {
  41                         header('HTTP/1.1 400 Bad Request');
  42                 }
  43
  44                 echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"  "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">',"\n",
  45                 '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-GB">',"\n",
  46                 "<head>\n",
  47                 '       <title>',( $this->title ? $this->title.' :: '.SITE_NAME : SITE_NAME ),"</title>\n",
  48                 '       <link rel="stylesheet" type="text/css" href="css/',$css[0],'.css" title="',$css[1],'"/>',"\n",
  49                 "</head>\n\n",
  50                 '<body id="so2-',basename($_SERVER['SCRIPT_NAME'], '.php'),"\">\n",
  51                 '<h1>',( $this->title ? $this->title : SITE_NAME ),"</h1>\n";
  52
  53                 if ( isset($_POST['logout']) && $user instanceof anonuser ) {
  54                         echo '<p class="notice">You are now logged out.</p>',"\n";
  55                 } elseif ( isset($_POST['login'], $_POST['u'], $_POST['p']) ) {
  56                         if ( $user instanceof authuser ) {
  57                                 $DB->query('UPDATE `users`
  58                                                         SET `last_login_ip` = INET_ATON(\''.$_SERVER['REMOTE_ADDR'].'\')
  59                                                         WHERE `userid` = @userid');
  60                                 echo '<p class="notice">You are now logged in.</p>',"\n";
  61                                 if ( $user instanceof authuser && $user->check_nullpass() ) {
  62                                         echo '<p class="notice">Your password has been reset by an admin. You should <a href="passwd">set a new one</a>.</p>';
  63                                 }
  64                         } else {
  65                                 echo '<p class="error">Invalid password or username.</p>',"\n";
  66                         }
  67                 }
  68
  69                 if ( $this->nav ) {
  70                         echo '<ul id="navbar" class="nl">',"\n";
  71                         foreach ( $this->nav as $title => $url ) {
  72                                 echo "\t",'<li><a href="',$url,'">',$title,"</a></li>\n";
  73                         }
  74                         echo "</ul>\n\n";
  75                 }
  76
  77                 $this->headers |= self::Pageheader;
  78         }
  79
  80         private function finish_headers()
  81         {
  82                 if ( ! ($this->headers & self::Pageheader) ) {
  83                         $this->pageheader();
  84                 }
  85                 if ( ! ($this->headers & self::Userheader) ) {
  86                         $GLOBALS['user']->userheader();
  87                 }
  88         }
  89
  90         public function errorfooter($type = 'login')
  91         {
  92                 if ( !headers_sent() ) {
  93                         switch ( $type ) {
  94                                 case 'level':
  95                                         header('HTTP/1.1 403 Forbidden');
  96                                         break;
  97                                 default:
  98                                         header('HTTP/1.1 400 Bad Request');
  99                         }
 100                 }
 101
 102                 $this->finish_headers();
 103
 104                 $messages = array(
 105                         'level'         => 'You do not have permission to view this page.',
 106                         'login'         => 'You must be logged in to view this page.',
 107                         'logout'        => 'You must be logged out to view this page.',
 108                         'boardid'       => 'Invalid board ID given.',
 109                         'topicid'       => 'Invalid topic ID given.',
 110                         'messageid'     => 'Invalid message ID given.',
 111                         'userid'        => 'Invalid user ID given.',
 112                         'runtime'       => 'A serious error has occured in the page. '.
 113                                                          'If this happens again and you can\'t figure out what you did wrong, report it to the site owner.',
 114                         'request'       => 'Invalid request.'
 115                 );
 116
 117                 echo '<p class="error">',$messages[$type],'</p>';
 118                 $this->pagefooter();
 119         }
 120
 121         public function pagefooter()
 122         {
 123                 $this->finish_headers();
 124
 125                 echo
 126                         "\n\n",
 127                         '<form id="footer" action="',
 128                                 $_SERVER['PHP_SELF'],'?',htmlspecialchars($_SERVER['QUERY_STRING']),'" method="post">',"\n",
 129                         '       <fieldset><legend>Session:</legend>',"\n";
 130
 131                 if ( $GLOBALS['user'] instanceof authuser ) {
 132                         echo
 133                         '       <button type="submit" name="logout" onclick="return confirm(\'o rly?\');">Log Out</button>';
 134                 } else {
 135                         echo
 136                         '       <label>Username: <input type="text" name="u"/></label>',"\n",
 137                         '       <label>Password: <input type="password" name="p"/></label>',"\n",
 138                         '       <button type="submit" name="login">Log In</button>';
 139                 }
 140
 141                 echo "\n</fieldset>\n";
 142
 143                 if ( defined('DEVELOPER') && count($this->errors) ) {
 144                         echo "<h2>Errors on page:</h2>\n<dl>\n";
 145                         foreach ( $this->errors as $e ) {
 146                                 vprintf('<dt>File %s at line <var>%s</var></dt><dd>code <var>%s</var>: <q>%s</q></dd>', $e);
 147                         }
 148                         echo "</dl>\n";
 149                 }
 150
 151                 /* An error count for normal users serves little practical value, but I can laugh at people
 152                    who install this thinking they can run it without reading the fucking instructions. */
 153                 echo
 154                 '<p>Special Ops Two: <a href="COPYING" rel="copyright">© 2004-2005 Ant P</a> | ',sprintf('%.3F', microtime(1) - CLOCK),'s | ',
 155                         ( defined('DEVELOPER') ? $GLOBALS['DB']->c.' queries' : count($this->errors).' errors' ),
 156                         ' | <a href="http://specialops.ath.cx/repos/so2/">',SO2VER,"</a></p>\n</form>\n",
 157                 '</body></html>';
 158
 159                 exit;
 160         }
 161
 162         public function error_handler($number, $string, $file, $line)
 163         {
 164                 // If errors are being returned as unencoded text then try to fix them before they fuck the XHTML
 165                 if ( ! ini_get('html_errors') ) {
 166                         $string = new message($string);
 167                         $string = $string->output;
 168                 }
 169                 $this->errors[] = array($file, $line, $number, $string);
 170         }
 171 }
 172 ?>