+
−<?php
+
−/*
+
− * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
+
− * Version 1.0 (Banshee)
+
− * pageprocess.php - intelligent retrieval of pages
+
− * Copyright (C) 2006-2007 Dan Fuhry
+
− *
+
− * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
+
− * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
+
− *
+
− * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+
− * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
+
− */
+
−
+
−/**
+
− * Class to handle fetching page text (possibly from a cache) and formatting it.
+
− * @package Enano
+
− * @subpackage UI
+
− * @copyright 2007 Dan Fuhry
+
− * @license GNU General Public License <http://www.gnu.org/licenses/gpl.html>
+
− */
+
−
+
−class PageProcessor
+
−{
+
−  
+
−  /**
+
−   * Page ID and namespace of the page handled by this instance
+
−   * @var string
+
−   */
+
−  
+
−  var $page_id;
+
−  var $namespace;
+
−  
+
−  /**
+
−   * The revision ID (history entry) to send. If set to 0 (the default) then the most recent revision will be sent.
+
−   * @var int
+
−   */
+
−  
+
−  var $revision_id = 0;
+
−  
+
−  /**
+
−   * Unsanitized page ID.
+
−   * @var string
+
−   */
+
−  
+
−  var $page_id_unclean;
+
−  
+
−  /**
+
−   * Tracks if the page we're loading exists in the database or not.
+
−   * @var bool
+
−   */
+
−  
+
−  var $page_exists = false;
+
−  
+
−  /**
+
−   * Permissions!
+
−   * @var object
+
−   */
+
−  
+
−  var $perms = null;
+
−  
+
−  /**
+
−   * Switch to track if redirects are allowed. Defaults to true.
+
−   * @var bool
+
−   */
+
−  
+
−  var $allow_redir = true;
+
−  
+
−  /**
+
−   * If this is set to true, this will call the header and footer funcs on $template when render() is called.
+
−   * @var bool
+
−   */
+
−  
+
−  var $send_headers = false;
+
−  
+
−  /**
+
−   * Cache the fetched text so we don't fetch it from the DB twice.
+
−   * @var string
+
−   */
+
−  
+
−  var $text_cache = '';
+
−  
+
−  /**
+
−   * Debugging information to track errors. You can set enable to false to disable sending debug information.
+
−   * @var array
+
−   */
+
−  
+
−  var $debug = array(
+
−      'enable' => false,
+
−      'works'  => false
+
−    );
+
−  
+
−  /**
+
−   * Constructor.
+
−   * @param string The page ID (urlname) of the page
+
−   * @param string The namespace of the page
+
−   * @param int Optional. The revision ID to send.
+
−   */
+
−  
+
−  function __construct( $page_id, $namespace, $revision_id = 0 )
+
−  {
+
−    global $db, $session, $paths, $template, $plugins; // Common objects
+
−    
+
−    // See if we can get some debug info
+
−    if ( function_exists('debug_backtrace') && $this->debug['enable'] )
+
−    {
+
−      $this->debug['works'] = true;
+
−      $this->debug['backtrace'] = enano_debug_print_backtrace(true);
+
−    }
+
−    
+
−    // First things first - check page existence and permissions
+
−    
+
−    if ( !isset($paths->nslist[$namespace]) )
+
−    {
+
−      $this->send_error('The namespace "' . htmlspecialchars($namespace) . '" does not exist.');
+
−    }
+
−    
+
−    if ( !is_int($revision_id) )
+
−      $revision_id = 0;
+
−    
+
−    $this->_setup( $page_id, $namespace, $revision_id );
+
−    
+
−  }
+
−  
+
−  /**
+
−   * The main method to send the page content. Also responsible for checking permissions.
+
−   */
+
−  
+
−  function send()
+
−  {
+
−    global $db, $session, $paths, $template, $plugins; // Common objects
+
−    if ( !$this->perms->get_permissions('read') )
+
−    {
+
−      $this->err_access_denied();
+
−      return false;
+
−    }
+
−    if ( $this->namespace == 'Special' || $this->namespace == 'Admin' )
+
−    {
+
−      if ( !$this->page_exists )
+
−      {
+
−        redirect( makeUrl(getConfig('main_page')), 'Can\'t find special page', 'The special or administration page you requested does not exist. You will now be transferred to the main page.', 2 );
+
−      }
+
−      $func_name = "page_{$this->namespace}_{$this->page_id}";
+
−      if ( function_exists($func_name) )
+
−      {
+
−        return @call_user_func($func_name);
+
−      }
+
−      else
+
−      {
+
−        $title = 'Page backend not found';
+
−        $message = "The administration page you are looking for was properly registered using the page API, but the backend function
+
−                    (<tt>$fname</tt>) was not found. If this is a plugin page, then this is almost certainly a bug with the plugin.";
+
−                    
+
−        if ( $this->send_headers )
+
−        {
+
−          $template->tpl_strings['PAGE_NAME'] = $title;
+
−          $template->header();
+
−          echo "<p>$message</p>";
+
−          $template->footer();
+
−        }
+
−        else
+
−        {
+
−          echo "<h2>$title</h2>
+
−                <p>$message</p>";
+
−        }
+
−        return false;
+
−      }
+
−    }
+
−    else if ( $this->namespace == 'User' )
+
−    {
+
−      $this->_handle_userpage();
+
−    }
+
−    else if ( ( $this->namespace == 'Template' || $this->namespace == 'System' ) && $this->page_exists )
+
−    {
+
−      $this->header();
+
−      
+
−      $text = $this->fetch_text();
+
−      $text = preg_replace('/<noinclude>(.*?)<\/noinclude>/is', '\\1', $text);
+
−      $text = preg_replace('/<nodisplay>(.*?)<\/nodisplay>/is', '', $text);
+
−      
+
−      $text = RenderMan::render( $text );
+
−      
+
−      echo $text;
+
−      
+
−      $this->footer();
+
−      
+
−    }
+
−    else if ( !$this->page_exists )
+
−    {
+
−      // Perhaps this is hooked?
+
−      ob_start();
+
−      
+
−      $code = $plugins->setHook('page_not_found');
+
−      foreach ( $code as $cmd )
+
−      {
+
−        eval($cmd);
+
−      }
+
−      
+
−      $ob = ob_get_contents();
+
−      
+
−      if ( empty($ob) )
+
−      {
+
−        $this->err_page_not_existent();
+
−      }
+
−    }
+
−    else // (disabled for compatibility reasons) if ( in_array($this->namespace, array('Article', 'User', 'Project', 'Help', 'File', 'Category')) && $this->page_exists )
+
−    {
+
−      // Send as regular page
+
−      
+
−      // die($this->page_id);
+
−      
+
−      $text = $this->fetch_text();
+
−      if ( $text == 'err_no_text_rows' )
+
−      {
+
−        $this->err_no_rows();
+
−        return false;
+
−      }
+
−      else
+
−      {
+
−        $this->render();
+
−      }
+
−    }
+
−  }
+
−  
+
−  /**
+
−   * Sets internal variables.
+
−   * @access private
+
−   */
+
−  
+
−  function _setup($page_id, $namespace, $revision_id)
+
−  {
+
−    global $db, $session, $paths, $template, $plugins; // Common objects
+
−    
+
−    $page_id_cleaned = sanitize_page_id($page_id);
+
−    
+
−    $this->page_id = $page_id_cleaned;
+
−    $this->namespace = $namespace;
+
−    $this->revision_id = $revision_id;
+
−    $this->page_id_unclean = dirtify_page_id($page_id);
+
−    
+
−    $this->perms = $session->fetch_page_acl( $page_id, $namespace );
+
−    
+
−    // Exception for Admin: pages
+
−    if ( $this->namespace == 'Admin' )
+
−    {
+
−      $fname = "page_Admin_{$this->page_id}";
+
−    }
+
−    
+
−    // Does the page "exist"?
+
−    if ( $paths->cpage['urlname_nons'] == $page_id && $paths->namespace == $namespace && !$paths->page_exists && ( $this->namespace != 'Admin' || ($this->namespace == 'Admin' && !function_exists($fname) ) ) )
+
−    {
+
−      $this->page_exists = false;
+
−    }
+
−    else if ( !isset( $paths->pages[ $paths->nslist[$namespace] . $page_id ] ) && ( $this->namespace == 'Admin' && !function_exists($fname) ) )
+
−    {
+
−      $this->page_exists = false;
+
−    }
+
−    else
+
−    {
+
−      $this->page_exists = true;
+
−    }
+
−    
+
−    // Compatibility with older databases
+
−    if ( strstr($this->page_id, '.2e') && !$this->page_exists )
+
−    {
+
−      $page_id = str_replace('.2e', '.', $page_id);
+
−      
+
−      if ( $paths->cpage['urlname_nons'] == $page_id && $paths->namespace == $namespace && !$paths->page_exists && ( $this->namespace != 'Admin' || ($this->namespace == 'Admin' && !function_exists($fname) ) ) )
+
−      {
+
−        $this->page_exists = false;
+
−      }
+
−      else if ( !isset( $paths->pages[ $paths->nslist[$namespace] . $page_id ] ) && ( $this->namespace == 'Admin' && !function_exists($fname) ) )
+
−      {
+
−        $this->page_exists = false;
+
−      }
+
−      else
+
−      {
+
−        $this->page_exists = true;
+
−      }
+
−      
+
−    }
+
−    
+
−  }
+
−  
+
−  /**
+
−   * Renders it all in one go, and echoes it out. This assumes that the text is in the DB.
+
−   * @access private
+
−   */
+
−  
+
−  function render()
+
−  {
+
−    $text = $this->fetch_text();
+
−    
+
−    $this->header();
+
−    // if ( $this->send_headers )
+
−    // {
+
−      display_page_headers();
+
−    // }
+
−    
+
−    if ( $this->revision_id )
+
−    {
+
−      echo '<div class="info-box" style="margin-left: 0; margin-top: 5px;"><b>Notice:</b><br />The page you are viewing was archived on '.date('F d, Y \a\t h:i a', $this->revision_id).'.<br /><a href="'.makeUrlNS($this->namespace, $this->page_id).'" onclick="ajaxReset(); return false;">View current version</a>  |  <a href="'.makeUrlNS($this->namespace, $this->pageid, 'do=rollback&amp;id='.$this->revision_id).'" onclick="ajaxRollback(\''.$this->revision_id.'\')">Restore this version</a></div><br />';
+
−    }
+
−    
+
−    $text = '?>' . RenderMan::render($text);
+
−    // echo('<pre>'.htmlspecialchars($text).'</pre>');
+
−    eval ( $text );
+
−    
+
−    // if ( $this->send_headers )
+
−    // {
+
−      display_page_footers();
+
−    // }
+
−    
+
−    $this->footer();
+
−  }
+
−  
+
−  /**
+
−   * Sends the page header, dependent on, of course, whether we're supposed to.
+
−   */
+
−  
+
−  function header()
+
−  {
+
−    global $db, $session, $paths, $template, $plugins; // Common objects
+
−    if ( $this->send_headers )
+
−      $template->header();
+
−  }
+
−  
+
−  /**
+
−   * Sends the page footer, dependent on, of course, whether we're supposed to.
+
−   */
+
−  
+
−  function footer()
+
−  {
+
−    global $db, $session, $paths, $template, $plugins; // Common objects
+
−    if ( $this->send_headers )
+
−      $template->footer();
+
−  }
+
−  
+
−  /**
+
−   * Fetches the raw, unfiltered page text.
+
−   * @access public
+
−   */
+
−  
+
−  function fetch_text()
+
−  {
+
−    global $db, $session, $paths, $template, $plugins; // Common objects
+
−    
+
−    if ( !empty($this->text_cache) )
+
−    {
+
−      return $this->text_cache;
+
−    }
+
−    
+
−    if ( $this->revision_id > 0 && is_int($this->revision_id) )
+
−    {
+
−    
+
−      $q = $db->sql_query('SELECT page_text, char_tag, date_string FROM '.table_prefix.'logs WHERE page_id=\'' . $this->page_id . '\' AND namespace=\'' . $this->namespace . '\' AND time_id=' . $this->revision_id . ';');
+
−      if ( !$q )
+
−      {
+
−        $this->send_error('Error during SQL query.', true);
+
−      }
+
−      if ( $db->numrows() < 1 )
+
−      {
+
−        // Compatibility fix for old pages with dots in the page ID
+
−        if ( strstr($this->page_id, '.2e') )
+
−        {
+
−          $db->free_result();
+
−          $page_id = str_replace('.2e', '.', $this->page_id);
+
−          $q = $db->sql_query('SELECT page_text, char_tag, date_string FROM '.table_prefix.'logs WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $this->namespace . '\' AND time_id=' . $this->revision_id . ';');
+
−          if ( !$q )
+
−          {
+
−            $this->send_error('Error during SQL query.', true);
+
−          }
+
−          if ( $db->numrows() < 1 )
+
−          {
+
−            $this->page_exists = false;
+
−            return 'err_no_text_rows';
+
−          }
+
−        }
+
−        else
+
−        {
+
−          $this->page_exists = false;
+
−          return 'err_no_text_rows';
+
−        }
+
−      }
+
−      else
+
−      {
+
−        $row = $db->fetchrow();
+
−      }
+
−      
+
−      $db->free_result();
+
−      
+
−    }
+
−    else
+
−    {
+
−      
+
−      $q = $db->sql_query('SELECT page_text, char_tag FROM '.table_prefix.'page_text WHERE page_id=\'' . $this->page_id . '\' AND namespace=\'' . $this->namespace . '\';');
+
−      if ( !$q )
+
−      {
+
−        $this->send_error('Error during SQL query.', true);
+
−      }
+
−      if ( $db->numrows() < 1 )
+
−      {
+
−        // Compatibility fix for old pages with dots in the page ID
+
−        if ( strstr($this->page_id, '.2e') )
+
−        {
+
−          $db->free_result();
+
−          $page_id = str_replace('.2e', '.', $this->page_id);
+
−          $q = $db->sql_query('SELECT page_text, char_tag FROM '.table_prefix.'page_text WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $this->namespace . '\';');
+
−          if ( !$q )
+
−          {
+
−            $this->send_error('Error during SQL query.', true);
+
−          }
+
−          if ( $db->numrows() < 1 )
+
−          {
+
−            $this->page_exists = false;
+
−            return 'err_no_text_rows';
+
−          }
+
−        }
+
−        else
+
−        {
+
−          $this->page_exists = false;
+
−          return 'err_no_text_rows';
+
−        }
+
−      }
+
−      
+
−      $row = $db->fetchrow();
+
−      $db->free_result();
+
−      
+
−    }
+
−    
+
−    if ( !empty($row['char_tag']) )
+
−    {
+
−      // This page text entry uses the old text-escaping format
+
−      $from = array(
+
−          "{APOS:{$row['char_tag']}}",
+
−          "{QUOT:{$row['char_tag']}}",
+
−          "{SLASH:{$row['char_tag']}}"
+
−        );
+
−      $to = array("'", '"',  '\\');
+
−      $row['page_text'] = str_replace($from, $to, $row['page_text']);
+
−    }
+
−    
+
−    $this->text_cache = $row['page_text'];
+
−    
+
−    return $row['page_text'];
+
−    
+
−  }
+
−  
+
−  /**
+
−   * Handles the extra overhead required for user pages.
+
−   * @access private
+
−   */
+
−   
+
−  function _handle_userpage()
+
−  {
+
−    global $db, $session, $paths, $template, $plugins; // Common objects
+
−    
+
−    if ( $this->page_id == $paths->cpage['urlname_nons'] && $this->namespace == $paths->namespace )
+
−    {
+
−      $page_name = ( isset($paths->cpage['name']) ) ? $paths->cpage['name'] : $this->page_id;
+
−    }
+
−    else
+
−    {
+
−      $page_name = ( isset($paths->pages[$this->page_id]) ) ? $paths->pages[$this->page_id]['name'] : $this->page_id;
+
−    }
+
−    
+
−    $target_username = strtr($page_name, 
+
−      Array(
+
−        '_' => ' ',
+
−        '<' => '&lt;',
+
−        '>' => '&gt;'
+
−        ));
+
−    
+
−    $target_username = preg_replace('/^' . preg_quote($paths->nslist['User']) . '/', '', $target_username);
+
−    
+
−    if ( ( $page_name == str_replace('_', ' ', $this->page_id) || $page_name == $paths->nslist['User'] . str_replace('_', ' ', $this->page_id) ) || !$this->page_exists )
+
−    {
+
−      $page_name = "$target_username's user page";
+
−    }
+
−    else
+
−    {
+
−      // User has a custom title for their userpage
+
−      $page_name = $paths->pages[ $paths->nslist[$this->namespace] . $this->page_id ]['name'];
+
−    }
+
−    
+
−    $template->tpl_strings['PAGE_NAME'] = htmlspecialchars($page_name);
+
−    
+
−    $q = $db->sql_query('SELECT u.username, u.user_id AS authoritative_uid, u.real_name, u.email, u.reg_time, x.*, COUNT(c.comment_id) AS n_comments
+
−                           FROM '.table_prefix.'users u
+
−                           LEFT JOIN '.table_prefix.'users_extra AS x
+
−                             ON ( u.user_id = x.user_id OR x.user_id IS NULL ) 
+
−                           LEFT JOIN '.table_prefix.'comments AS c
+
−                             ON ( ( c.user_id=u.user_id AND c.approved=1 ) OR ( c.comment_id IS NULL AND c.approved IS NULL ) )
+
−                           WHERE u.username=\'' . $db->escape($target_username) . '\'
+
−                           GROUP BY u.user_id;');
+
−    if ( !$q )
+
−      $db->_die();
+
−    
+
−    $user_exists = true;
+
−    
+
−    if ( $db->numrows() < 1 )
+
−    {
+
−      $user_exists = false;
+
−    }
+
−    else
+
−    {
+
−      $userdata = $db->fetchrow();
+
−      if ( $userdata['authoritative_uid'] == 1 )
+
−      {
+
−        // Hide data for anonymous user
+
−        $user_exists = false;
+
−        unset($userdata);
+
−      }
+
−    }
+
−    
+
−    $this->header();
+
−    
+
−    // if ( $send_headers )
+
−    // {
+
−    //  display_page_headers();
+
−    // }
+
−   
+
−    // Start left sidebar: basic user info, latest comments
+
−    
+
−    if ( $user_exists ):
+
−    
+
−    echo '<table border="0" cellspacing="4" cellpadding="0" style="width: 100%;">';
+
−    echo '<tr><td style="width: 150px;" valign="top">';
+
−    
+
−    echo '<div class="tblholder">
+
−            <table border="0" cellspacing="1" cellpadding="4">';
+
−    
+
−    //
+
−    // Main part of sidebar
+
−    //
+
−    
+
−    // Basic user info
+
−    
+
−    echo '<tr><th class="subhead">All about ' . htmlspecialchars($target_username) . '</th></tr>';
+
−    echo '<tr><td class="row3">Joined: ' . date('F d, Y h:i a', $userdata['reg_time']) . '</td></tr>';
+
−    echo '<tr><td class="row1">Total comments: ' . $userdata['n_comments'] . '</td></tr>';
+
−    
+
−    if ( !empty($userdata['real_name']) )
+
−    {
+
−      echo '<tr><td class="row3">Real name: ' . htmlspecialchars($userdata['real_name']) . '</td></tr>';
+
−    }
+
−    
+
−    // Comments
+
−    
+
−    echo '<tr><th class="subhead">' . htmlspecialchars($target_username) . '\'s latest comments</th></tr>';
+
−    $q = $db->sql_query('SELECT page_id, namespace, subject, time FROM '.table_prefix.'comments WHERE name=\'' . $db->escape($target_username) . '\' AND approved=1 ORDER BY time DESC LIMIT 5;');
+
−    if ( !$q )
+
−      $db->_die();
+
−    
+
−    $comments = Array();
+
−    $no_comments = false;
+
−    
+
−    if ( $row = $db->fetchrow() )
+
−    {
+
−      do 
+
−      {
+
−        $row['time'] = date('F d, Y', $row['time']);
+
−        $comments[] = $row;
+
−      }
+
−      while ( $row = $db->fetchrow() );
+
−    }
+
−    else
+
−    {
+
−      $no_comments = true;
+
−    }
+
−    
+
−    echo '<tr><td class="row3">';
+
−    echo '<div style="border: 1px solid #000000; padding: 0px; margin: 0; max-height: 200px; clip: rect(0px,auto,auto,0px); overflow: auto; background-color: transparent;" class="tblholder">';
+
−    
+
−    echo '<table border="0" cellspacing="1" cellpadding="4">';
+
−    $class = 'row1';
+
−    
+
−    $tpl = '<tr>
+
−              <td class="{CLASS}">
+
−                <a href="{PAGE_LINK}" <!-- BEGINNOT page_exists -->class="wikilink-nonexistent"<!-- END page_exists -->>{PAGE}</a><br />
+
−                <small>Posted {DATE}<br /></small>
+
−                <b><a href="{COMMENT_LINK}">{SUBJECT}</a></b>
+
−              </td>
+
−            </tr>';
+
−    $parser = $template->makeParserText($tpl);
+
−    
+
−    if ( count($comments) > 0 )
+
−    {
+
−      foreach ( $comments as $comment )
+
−      {
+
−        $c_page_id = $paths->nslist[ $comment['namespace'] ] . sanitize_page_id($comment['page_id']);
+
−        if ( isset($paths->pages[ $c_page_id ]) )
+
−        {
+
−          $parser->assign_bool(array(
+
−            'page_exists' => true
+
−            ));
+
−          $page_title = $paths->pages[ $c_page_id ]['name'];
+
−        }
+
−        else
+
−        {
+
−          $parser->assign_bool(array(
+
−            'page_exists' => false
+
−            ));
+
−          $page_title = htmlspecialchars(dirtify_page_id($c_page_id));
+
−        }
+
−        $parser->assign_vars(array(
+
−            'CLASS' => $class,
+
−            'PAGE_LINK' => makeUrlNS($comment['namespace'], sanitize_page_id($comment['page_id'])),
+
−            'PAGE' => $page_title,
+
−            'SUBJECT' => $comment['subject'],
+
−            'DATE' => $comment['time'],
+
−            'COMMENT_LINK' => makeUrlNS($comment['namespace'], sanitize_page_id($comment['page_id']), 'do=comments', true)
+
−          ));
+
−        $class = ( $class == 'row3' ) ? 'row1' : 'row3';
+
−        echo $parser->run();
+
−      }
+
−    }
+
−    else
+
−    {
+
−      echo '<tr><td class="' . $class . '">This user has not posted any comments.</td></tr>';
+
−    }
+
−    echo '</table>';
+
−    
+
−    echo '</div>';
+
−    echo '</td></tr>';
+
−            
+
−    echo '  </table>
+
−          </div>';
+
−    
+
−    echo '</td><td valign="top" style="padding: 0 10px;">';
+
−    
+
−    else:
+
−    
+
−    // Nothing for now
+
−    
+
−    endif;
+
−    
+
−    // User's own content
+
−    
+
−    $send_headers = $this->send_headers;
+
−    $this->send_headers = false;
+
−    
+
−    if ( $this->page_exists )
+
−    {
+
−      $this->render();
+
−    }
+
−    else
+
−    {
+
−      $this->err_page_not_existent(true);
+
−    }
+
−    
+
−    // Right sidebar
+
−    
+
−    if ( $user_exists ):
+
−    
+
−    echo '</td><td style="width: 150px;" valign="top">';
+
−    
+
−    echo '<div class="tblholder">
+
−            <table border="0" cellspacing="1" cellpadding="4">';
+
−    
+
−    //
+
−    // Main part of sidebar
+
−    //
+
−    
+
−    // Contact information
+
−    
+
−    echo '<tr><th class="subhead">Get in touch</th></tr>';
+
−    
+
−    $class = 'row3';
+
−    
+
−    if ( $userdata['email_public'] == 1 )
+
−    {
+
−      $class = ( $class == 'row1' ) ? 'row3' : 'row1';
+
−      global $email;
+
−      $email_link = $email->encryptEmail($userdata['email']);
+
−      echo '<tr><td class="'.$class.'">E-mail address: ' . $email_link . '</td></tr>';
+
−    }
+
−    
+
−    $class = ( $class == 'row1' ) ? 'row3' : 'row1';
+
−    if ( $session->user_logged_in )
+
−    {
+
−      echo '<tr><td class="'.$class.'">Send ' . htmlspecialchars($target_username) . ' a <a href="' . makeUrlNS('Special', 'PrivateMessages/Compose/to/' . $this->page_id, false, true) . '">Private Message</a>!</td></tr>';
+
−    }
+
−    else
+
−    {
+
−      echo '<tr><td class="'.$class.'">You could send ' . htmlspecialchars($target_username) . ' a private message if you were <a href="' . makeUrlNS('Special', 'Login/' . $paths->nslist[$this->namespace] . $this->page_id) . '">logged in</a>.</td></tr>';
+
−    }
+
−    
+
−    if ( !empty($userdata['user_aim']) )
+
−    {
+
−      $class = ( $class == 'row1' ) ? 'row3' : 'row1';
+
−      echo '<tr><td class="'.$class.'">AIM: ' . htmlspecialchars($userdata['user_aim']) . '</td></tr>';
+
−    }
+
−    
+
−    if ( !empty($userdata['user_yahoo']) )
+
−    {
+
−      $class = ( $class == 'row1' ) ? 'row3' : 'row1';
+
−      echo '<tr><td class="'.$class.'">Yahoo! IM: ' . htmlspecialchars($userdata['user_yahoo']) . '</td></tr>';
+
−    }
+
−    
+
−    if ( !empty($userdata['user_msn']) )
+
−    {
+
−      $class = ( $class == 'row1' ) ? 'row3' : 'row1';
+
−      $email_link = $email->encryptEmail($userdata['user_msn']);
+
−      echo '<tr><td class="'.$class.'">WLM: ' . $email_link . '</td></tr>';
+
−    }
+
−    
+
−    if ( !empty($userdata['user_xmpp']) )
+
−    {
+
−      $class = ( $class == 'row1' ) ? 'row3' : 'row1';
+
−      $email_link = $email->encryptEmail($userdata['user_xmpp']);
+
−      echo '<tr><td class="'.$class.'">XMPP/Jabber: ' . $email_link . '</td></tr>';
+
−    }
+
−    
+
−    // Real life
+
−    
+
−    echo '<tr><th class="subhead">' . htmlspecialchars($target_username) . ' in real life</th></tr>';
+
−    
+
−    if ( !empty($userdata['user_location']) )
+
−    {
+
−      $class = ( $class == 'row1' ) ? 'row3' : 'row1';
+
−      echo '<tr><td class="'.$class.'">Location: ' . htmlspecialchars($userdata['user_location']) . '</td></tr>';
+
−    }
+
−    
+
−    if ( !empty($userdata['user_job']) )
+
−    {
+
−      $class = ( $class == 'row1' ) ? 'row3' : 'row1';
+
−      echo '<tr><td class="'.$class.'">Job/occupation: ' . htmlspecialchars($userdata['user_job']) . '</td></tr>';
+
−    }
+
−    
+
−    if ( !empty($userdata['user_hobbies']) )
+
−    {
+
−      $class = ( $class == 'row1' ) ? 'row3' : 'row1';
+
−      echo '<tr><td class="'.$class.'">Enjoys: ' . htmlspecialchars($userdata['user_hobbies']) . '</td></tr>';
+
−    }
+
−    
+
−    echo '  </table>
+
−          </div>';
+
−          
+
−    echo '</tr></table>';
+
−    
+
−    else:
+
−    
+
−    echo '<p>Additional information: user "' . htmlspecialchars($target_username) . '" does not exist.</p>';
+
−    
+
−    endif;
+
−    
+
−    // if ( $send_headers )
+
−    // {
+
−    //  display_page_footers();
+
−    // }
+
−    
+
−    $this->send_headers = $send_headers;
+
−    unset($send_headers);
+
−    
+
−    $this->footer();
+
−    
+
−  }
+
−  
+
−  /**
+
−   * Send the error message to the user that the access to this page is denied.
+
−   * @access private
+
−   */
+
−  
+
−  function err_access_denied()
+
−  {
+
−    global $db, $session, $paths, $template, $plugins; // Common objects
+
−    
+
−    $ob = '';
+
−    $template->tpl_strings['PAGE_NAME'] = 'Access denied';
+
−      
+
−    if ( $this->send_headers )
+
−    {
+
−      $ob .= $template->getHeader();
+
−    }
+
−    
+
−    $ob .= '<div class="error-box"><b>Access to this page is denied.</b><br />This may be because you are not logged in or you have not met certain criteria for viewing this page.</div>';
+
−    
+
−    if ( $this->send_headers )
+
−    {
+
−      $ob .= $template->getFooter();
+
−    }
+
−    echo $ob;
+
−  }
+
−  
+
−  /**
+
−   * Send the error message to the user complaining that there weren't any rows.
+
−   * @access private
+
−   */
+
−  
+
−  function err_no_rows()
+
−  {
+
−    global $db, $session, $paths, $template, $plugins; // Common objects
+
−    
+
−    $title = 'No text rows';
+
−    $message = 'While the page\'s existence was verified, there were no rows in the database that matched the query for the text. This may indicate a bug with the software; ask the webmaster for more information. The offending query was:<pre>' . $db->latest_query . '</pre>';
+
−    if ( $this->send_headers )
+
−    {
+
−      $template->tpl_strings['PAGE_NAME'] = $title;
+
−      $template->header();
+
−      echo "<p>$message</p>";
+
−      $template->footer();
+
−    }
+
−    else
+
−    {
+
−      echo "<h2>$title</h2>
+
−            <p>$message</p>";
+
−    }
+
−  }
+
−  
+
−  /**
+
−   * Tell the user the page doesn't exist, and present them with their options.
+
−   * @access private
+
−   */
+
−   
+
−  function err_page_not_existent($userpage = false)
+
−  {
+
−    global $db, $session, $paths, $template, $plugins; // Common objects
+
−    
+
−    $this->header();
+
−    header('HTTP/1.1 404 Not Found');
+
−    if ( $userpage )
+
−    {
+
−      echo '<h3>There is no page with this title yet.</h3>
+
−             <p>This user has not created his or her user page yet.';
+
−    }
+
−    else
+
−    {
+
−      echo '<h3>There is no page with this title yet.</h3>
+
−             <p>You have requested a page that doesn\'t exist yet.';
+
−    }
+
−    if ( $session->get_permissions('create_page') )
+
−    {
+
−      echo ' You can <a href="'.makeUrlNS($this->namespace, $this->page_id, 'do=edit', true).'" onclick="ajaxEditor(); return false;">create this page</a>, or return to the <a href="'.makeUrl(getConfig('main_page')).'">homepage</a>.';
+
−    }
+
−    else
+
−    {
+
−      echo ' Return to the <a href="'.makeUrl(getConfig('main_page')).'">homepage</a>.</p>';
+
−    }
+
−    if ( $session->get_permissions('history_rollback') )
+
−    {
+
−      $e = $db->sql_query('SELECT * FROM ' . table_prefix . 'logs WHERE action=\'delete\' AND page_id=\'' . $this->page_id . '\' AND namespace=\'' . $this->namespace . '\' ORDER BY time_id DESC;');
+
−      if ( !$e )
+
−      {
+
−        $db->_die('The deletion log could not be selected.');
+
−      }
+
−      if ( $db->numrows() > 0 )
+
−      {
+
−        $r = $db->fetchrow();
+
−        echo '<p>This page also appears to have some log entries in the database - it seems that it was deleted on ' . $r['date_string'] . '. You can probably <a href="'.makeUrl($paths->page, 'do=rollback&amp;id='.$r['time_id']).'" onclick="ajaxRollback(\''.$r['time_id'].'\'); return false;">roll back</a> the deletion.</p>';
+
−      }
+
−      $db->free_result();
+
−    }
+
−    echo '<p>
+
−            HTTP Error: 404 Not Found
+
−          </p>';
+
−    $this->footer();
+
−  }
+
−  
+
−  /**
+
−   * PHP 4 constructor.
+
−   * @see PageProcessor::__construct()
+
−   */
+
−  
+
−  function PageProcessor( $page_id, $namespace, $revision_id = 0 )
+
−  {
+
−    $this->__construct($page_id, $namespace, $revision_id);
+
−  }
+
−  
+
−  /**
+
−   * Send an error message and die. For debugging or critical technical errors only - nothing that would under normal circumstances be shown to the user.
+
−   * @var string Error message
+
−   * @var bool If true, send DBAL's debugging information as well
+
−   */
+
−   
+
−  function send_error($message, $sql = false)
+
−  {
+
−    global $db, $session, $paths, $template, $plugins; // Common objects
+
−    
+
−    $content = "<p>$message</p>";
+
−    $template->tpl_strings['PAGE_NAME'] = 'General error in page fetcher';
+
−    
+
−    if ( $this->debug['works'] )
+
−    {
+
−      $content .= $this->debug['backtrace'];
+
−    }
+
−    
+
−    header('HTTP/1.1 500 Internal Server Error');
+
−    
+
−    $template->header();
+
−    echo $content;
+
−    $template->footer();
+
−    
+
−    $db->close();
+
−    
+
−    exit;
+
−    
+
−  }
+
−  
+
−} // class PageProcessor
+
−
+
−?>