<?php
/**!info**
{
  "Plugin Name"  : "plugin_privatemessages_title",
  "Plugin URI"   : "http://enanocms.org/",
  "Description"  : "plugin_privatemessages_desc",
  "Author"       : "Dan Fuhry",
  "Version"      : "1.1.5",
  "Author URI"   : "http://enanocms.org/"
}
**!*/

/*
 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
 * Version 1.1.6 (Caoineag beta 1)
 * Copyright (C) 2006-2008 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.
 */
 
global $db, $session, $paths, $template, $plugins; // Common objects

// $plugins->attachHook('session_started', 'PrivateMessages_paths_init();');

function PrivateMessages_paths_init()
{
  global $paths;
  $paths->add_page(Array(
      'name'=>'specialpage_private_messages',
      'urlname'=>'PrivateMessages',
      'namespace'=>'Special',
      'special'=>0,'visible'=>1,'comments_on'=>0,'protected'=>1,'delvotes'=>0,'delvote_ips'=>'',
    ));
}

function page_Special_PrivateMessages()
{
  global $db, $session, $paths, $template, $plugins; // Common objects
  global $lang;
  if ( !$session->user_logged_in )
  {
    die_friendly($lang->get('etc_access_denied_short'), '<p>' . $lang->get('privmsgs_err_need_login', array('login_link' => makeUrlNS('Special', 'Login/' . $paths->page))) . '</p>');
  }
  $argv = Array();
  $argv[] = $paths->getParam(0);
  $argv[] = $paths->getParam(1);
  $argv[] = $paths->getParam(2);
  if ( !$argv[0] )
  {
    $argv[0] = 'InVaLiD';
  }
  switch($argv[0])
  {
    default:
      header('Location: '.makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'));
      break;
    case 'View':
      $id = $argv[1];
      if ( !ctype_digit($id) )
      {
        die_friendly('Message error', '<p>Invalid message ID</p>');
      }
      $q = $db->sql_query('SELECT p.message_from, p.message_to, p.subject, p.message_text, p.date, p.folder_name, u.signature FROM '.table_prefix.'privmsgs AS p LEFT JOIN '.table_prefix.'users AS u ON (p.message_from=u.username) WHERE message_id='.$id.'');
      if ( !$q )
      {
        $db->_die('The message data could not be selected.');
      }
      $r = $db->fetchrow();
      $db->free_result();
      if ( ($r['message_to'] != $session->username && $r['message_from'] != $session->username ) || $r['folder_name']=='drafts' )
      {
        die_friendly($lang->get('etc_access_denied_short'), '<p>' . $lang->get('privmsgs_err_not_authorized_read') . '</p>');
      }
      if ( $r['message_to'] == $session->username )
      {
        $q = $db->sql_query('UPDATE '.table_prefix.'privmsgs SET message_read=1 WHERE message_id='.$id.'');
        $db->free_result();
        if ( !$q )
        {
          $db->_die('Could not mark message as read');
        }
      }
      $template->header();
      userprefs_show_menu();
      ?>
        <br />
        <div class="tblholder"><table border="0" width="100%" cellspacing="1" cellpadding="4">
          <tr><th colspan="2"><?php echo $lang->get('privmsgs_lbl_message_from', array('sender' => htmlspecialchars($r['message_from']))); ?></th></tr>
          <tr><td class="row1"><?php echo $lang->get('privmsgs_lbl_subject') ?></td><td class="row1"><?php echo $r['subject']; ?></td></tr>
          <tr><td class="row2"><?php echo $lang->get('privmsgs_lbl_date') ?></td><td class="row2"><?php echo enano_date('M j, Y G:i', $r['date']); ?></td></tr>
          <tr><td class="row1"><?php echo $lang->get('privmsgs_lbl_message') ?></td><td class="row1"><?php echo RenderMan::render($r['message_text']);
          if ( $r['signature'] != '' )
          {
            echo '<hr style="margin-left: 1em; width: 200px;" />';
            echo RenderMan::render($r['signature']);
          }
          ?></td></tr>
          <tr><td colspan="2" class="row3"><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Compose/ReplyTo/'.$id); ?>"><?php echo $lang->get('privmsgs_btn_send_reply'); ?></a>  |  <a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Delete/'.$id); ?>">Delete message</a>  |  <?php if($r['folder_name'] != 'archive') { ?><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Move/'.$id.'/Archive'); ?>"><?php echo $lang->get('privmsgs_btn_archive'); ?></a>  |  <?php } ?><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Inbox') ?>"><?php echo $lang->get('privmsgs_btn_return_to_inbox'); ?></a></td></tr>
        </table></div>
      <?php
      $template->footer();              
      break;
    case 'Move':
      $id = $argv[1];
      if ( !ctype_digit($id) )
      {
        die_friendly('Message error', '<p>Invalid message ID</p>');
      }
      $q = $db->sql_query('SELECT message_to FROM '.table_prefix.'privmsgs WHERE message_id='.$id.'');
      if ( !$q )
      {
        $db->_die('The message data could not be selected.');
      }
      $r = $db->fetchrow();
      $db->free_result();
      if ( $r['message_to'] != $session->username )
      {
        die_friendly($lang->get('etc_access_denied_short'), '<p>' . $lang->get('privmsgs_err_not_authorized_edit') . '</p>');
      }
      $fname = $argv[2];
      if ( !$fname || ( $fname != 'Inbox' && $fname != 'Outbox' && $fname != 'Sent' && $fname != 'Drafts' && $fname != 'Archive' ) )
      {
        die_friendly('Invalid request', '<p>The folder name "'.$fname.'" is invalid.</p>');
      }
      $q = $db->sql_query('UPDATE '.table_prefix.'privmsgs SET folder_name=\''.strtolower($fname).'\' WHERE message_id='.$id.';');
      $db->free_result();
      if ( !$q )
      {
        $db->_die('The message was not successfully moved.');
      }
      die_friendly($lang->get('privmsgs_msg_message_status'), '<p>' . $lang->get('privmsgs_msg_message_moved', array('folder' => $fname)) . '</p><p><a href="'.makeUrlNS('Special', 'PrivateMessages/Folder/Inbox').'">' . $lang->get('privmsgs_btn_return_to_inbox') . '</a></p>');
      break;
    case 'Delete':
      $id = $argv[1];
      if ( !ctype_digit($id) )
      {
        die_friendly('Message error', '<p>Invalid message ID</p>');
      }
      $q = $db->sql_query('SELECT message_to FROM '.table_prefix.'privmsgs WHERE message_id='.$id.'');
      if ( !$q )
      {
        $db->_die('The message data could not be selected.');
      }
      $r = $db->fetchrow();
      if ( $r['message_to'] != $session->username )
      {
        die_friendly($lang->get('etc_access_denied_short'), '<p>You are not authorized to delete this message.</p>');
      }
      $q = $db->sql_query('DELETE FROM '.table_prefix.'privmsgs WHERE message_id='.$id.';');
      if ( !$q )
      {
        $db->_die('The message was not successfully deleted.');
      }
      $db->free_result();
      die_friendly($lang->get('privmsgs_msg_message_status'), '<p>' . $lang->get('privmsgs_msg_message_deleted') . '</p><p><a href="'.makeUrlNS('Special', 'PrivateMessages/Folder/Inbox').'">' . $lang->get('privmsgs_btn_return_to_inbox') . '</a></p>');
      break;
    case 'Compose':
      if ( $argv[1]=='Send' && isset($_POST['_send']) )
      {
        // Check each POST DATA parameter...
        $errors = array();
        if(!isset($_POST['to']) || ( isset($_POST['to']) && $_POST['to'] == ''))
        {
          $errors[] = $lang->get('privmsgs_err_need_username');
        }
        if(!isset($_POST['subject']) || ( isset($_POST['subject']) && $_POST['subject'] == ''))
        {
          $errors[] = $lang->get('privmsgs_err_need_subject');
        }
        if(!isset($_POST['message']) || ( isset($_POST['message']) && $_POST['message'] == ''))
        {
          $errors[] = $lang->get('privmsgs_err_need_message');
        }
        if ( count($errors) < 1 )
        {
          $namelist = $_POST['to'];
          $namelist = str_replace(', ', ',', $namelist);
          $namelist = explode(',', $namelist);
          foreach($namelist as $n) { $n = $db->escape($n); }
          $subject = RenderMan::preprocess_text($_POST['subject']);
          $message = RenderMan::preprocess_text($_POST['message']);
          $base_query = 'INSERT INTO '.table_prefix.'privmsgs(message_from,message_to,date,subject,message_text,folder_name,message_read) VALUES';
          foreach($namelist as $n)
          {
            $base_query .= '(\''.$session->username.'\', \''.$n.'\', '.time().', \''.$subject.'\', \''.$message.'\', \'inbox\', 0),';
          }
          $base_query = substr($base_query, 0, strlen($base_query)-1) . ';';
          $result = $db->sql_query($base_query);
          $db->free_result();
          if ( !$result )
          {
            $db->_die('The message could not be sent.');
          }
          else
          {
            die_friendly($lang->get('privmsgs_msg_message_status'), '<p>' . $lang->get('privmsgs_msg_message_sent', array('inbox_link' => makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'))) . '</p>');
          }
          return;
        }
      }
      else if ( $argv[1] == 'Send' && isset($_POST['_savedraft'] ) )
      {
        $errors = array();
        if ( !isset($_POST['to']) || ( isset($_POST['to']) && $_POST['to'] == '') )
        {
          $errors[] = $lang->get('privmsgs_err_need_username');
        }
        if ( !isset($_POST['subject']) || ( isset($_POST['subject']) && $_POST['subject'] == '') )
        {
          $errors[] = $lang->get('privmsgs_err_need_subject');
        }
        if ( !isset($_POST['message']) || ( isset($_POST['message']) && $_POST['message'] == '') )
        {
          $errors[] = $lang->get('privmsgs_err_need_message');
        }
        if ( count($errors) < 1 )
        {
          $namelist = $_POST['to'];
          $namelist = str_replace(', ', ',', $namelist);
          $namelist = explode(',', $namelist);
          foreach($namelist as $n)
          {
            $n = $db->escape($n);
          }
          if ( count($namelist) > MAX_PMS_PER_BATCH && !$session->get_permssions('mod_misc') )
          {
            die_friendly($lang->get('privmsgs_err_limit_exceeded_title'), '<p>' . $lang->get('privmsgs_err_limit_exceeded_body', array('limit' => MAX_PMS_PER_BATCH)) . '</p>');
          }
          $subject = $db->escape($_POST['subject']);
          $message = RenderMan::preprocess_text($_POST['message']);
          $base_query = 'INSERT INTO '.table_prefix.'privmsgs(message_from,message_to,date,subject,message_text,folder_name,message_read) VALUES';
          foreach($namelist as $n)
          {
            $base_query .= '(\''.$session->username.'\', \''.$n.'\', '.time().', \''.$subject.'\', \''.$message.'\', \'drafts\', 0),';
          }
          $base_query = substr($base_query, 0, strlen($base_query) - 1) . ';';
          $result = $db->sql_query($base_query);
          $db->free_result();
          if ( !$result )
          {
            $db->_die('The message could not be saved.');
          }
        }
      }
      else if(isset($_POST['_inbox']))
      {
        redirect(makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'), '', '', 0);
      }
      if($argv[1] == 'ReplyTo' && preg_match('#^([0-9]+)$#', $argv[2]))
      {
        $to = '';
        $text = '';
        $subj = '';
        $id = $argv[2];
        $q = $db->sql_query('SELECT p.message_from, p.message_to, p.subject, p.message_text, p.date, p.folder_name, u.signature FROM '.table_prefix.'privmsgs AS p LEFT JOIN '.table_prefix.'users AS u ON (p.message_from=u.username) WHERE message_id='.$id.';');
        if ( !$q )
          $db->_die('The message data could not be selected.');
        
        $r = $db->fetchrow();
        $db->free_result();
        if ( ($r['message_to'] != $session->username && $r['message_from'] != $session->username ) || $r['folder_name'] == 'drafts' )
        {
          die_friendly($lang->get('etc_access_denied_short'), '<p>You are not authorized to view the contents of this message.</p>');
        }
        $subj = 'Re: ' . $r['subject'];
        $text = "\n\n\nOn " . enano_date('M j, Y G:i', $r['date']) . ", " . $r['message_from'] . " wrote:\n> " . str_replace("\n", "\n> ", $r['message_text']); // Way less complicated than using a regex ;-)
        
        $tbuf = $text;
        while( preg_match("/\n([\> ]*?)\> \>/", $text) )
        {
          $text = preg_replace("/\n([\> ]*?)\> \>/", '\\1>>', $text);
          if ( $text == $tbuf )
            break;
          $tbuf = $text;
        }
        
        $to = $r['message_from'];
      }
      else
      {
        if ( ( $argv[1]=='to' || $argv[1]=='To' ) && $argv[2] )
        {
          $to = htmlspecialchars($argv[2]);
        }
        else
        {
          $to = '';
        }
        $text = '';
        $subj = '';
      }
        $template->header();
        userprefs_show_menu();
        if ( isset($errors) && count($errors) > 0 )
        {
          echo '<div class="warning-box">
                  ' . $lang->get('privmsgs_err_send_submit') . '
                  <ul>
                    <li>' . implode('</li><li>', $errors) . '</li>
                  </ul>
                </div>';
        }
        echo '<form action="'.makeUrlNS('Special', 'PrivateMessages/Compose/Send').'" method="post">';
        
        if ( isset($_POST['_savedraft']) )
        {
          echo '<div class="info-box">' . $lang->get('privmsgs_msg_draft_saved') . '</div>';
        }
        ?>
        <br />
        <div class="tblholder"><table border="0" width="100%" cellspacing="1" cellpadding="4">
          <tr>
            <th colspan="2"><?php echo $lang->get('privmsgs_lbl_compose_th'); ?></th>
          </tr>
          <tr>
            <td class="row1">
              <?php echo $lang->get('privmsgs_lbl_compose_to'); ?><br />
              <small><?php echo $lang->get('privmsgs_lbl_compose_to_max', array('limit' => MAX_PMS_PER_BATCH)); ?></small>
            </td>
            <td class="row1">
              <?php echo $template->username_field('to', (isset($_POST['_savedraft'])) ? $_POST['to'] : $to ); ?>
            </td>
          </tr>
          <tr>
            <td class="row2">
              <?php echo $lang->get('privmsgs_lbl_subject'); ?>
            </td>
            <td class="row2">
              <input name="subject" type="text" size="30" value="<?php if(isset($_POST['_savedraft'])) echo htmlspecialchars($_POST['subject']); else echo $subj; ?>" />
            </td>
          </tr>
          <tr>
            <td class="row1">
              <?php echo $lang->get('privmsgs_lbl_message'); ?>
            </td>
            <td class="row1" style="min-width: 80%;">
              <?php
                if ( isset($_POST['_savedraft']) )
                {
                  $content = htmlspecialchars($_POST['message']);
                }
                else
                {
                  $content =& $text;
                }
                echo $template->tinymce_textarea('message', $content, 20, 40);
              ?>
            </td>
          </tr>
          <tr>
            <th class="subhead" colspan="2">
              <input type="submit" name="_send" value="<?php echo $lang->get('privmsgs_btn_send'); ?>" />
              <input type="submit" name="_savedraft" value="<?php echo $lang->get('privmsgs_btn_savedraft'); ?>" />
              <input type="submit" name="_inbox" value="<?php echo $lang->get('privmsgs_btn_return_to_inbox'); ?>" />
            </th>
          </tr>
        </table></div>
        <?php
        echo '</form>';
        $template->footer();
      break;
    case 'Edit':
      $id = $argv[1];
      if ( !ctype_digit($id) )
      {
        die_friendly('Message error', '<p>Invalid message ID</p>');
      }
      $q = $db->sql_query('SELECT message_from, message_to, subject, message_text, date, folder_name, message_read FROM '.table_prefix.'privmsgs WHERE message_id='.$id.'');
      if ( !$q )
      {
        $db->_die('The message data could not be selected.');
      }
      $r = $db->fetchrow();
      $db->free_result();
      if ( $r['message_from'] != $session->username || $r['message_read'] == 1 )
      {
        die_friendly($lang->get('etc_access_denied_short'), '<p>You are not authorized to edit this message.</p>');
      }
      $fname = $argv[2];
      
      if(isset($_POST['_send']))
      {
        // Check each POST DATA parameter...
        $errors = array();
        if(!isset($_POST['to']) || ( isset($_POST['to']) && $_POST['to'] == ''))
        {
          $errors[] = $lang->get('privmsgs_err_need_username');
        }
        if(!isset($_POST['subject']) || ( isset($_POST['subject']) && $_POST['subject'] == ''))
        {
          $errors[] = $lang->get('privmsgs_err_need_subject');
        }
        if(!isset($_POST['message']) || ( isset($_POST['message']) && $_POST['message'] == ''))
        {
          $errors[] = $lang->get('privmsgs_err_need_message');
        }
        if ( count($errors) < 1 )
        {
          $namelist = $_POST['to'];
          $namelist = str_replace(', ', ',', $namelist);
          $namelist = explode(',', $namelist);
          foreach ($namelist as $n)
          {
            $n = $db->escape($n);
          }
          $subject = RenderMan::preprocess_text($_POST['subject']);
          $message = RenderMan::preprocess_text($_POST['message']);
          $base_query = 'UPDATE '.table_prefix.'privmsgs SET subject=\''.$subject.'\',message_to=\''.$namelist[0].'\',message_text=\''.$message.'\',folder_name=\'inbox\' WHERE message_id='.$id.';';
          $result = $db->sql_query($base_query);
          $db->free_result();
          if ( !$result )
          {
            $db->_die('The message could not be sent.');
          }
          else
          {
            die_friendly($lang->get('privmsgs_msg_message_status'), '<p>' . $lang->get('privmsgs_msg_message_sent', array('inbox_link' => makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'))) . '</p>');
          }
          return;
        }
      }
      else if ( isset($_POST['_savedraft']) )
      {
        // Check each POST DATA parameter...
        $errors = array();
        if(!isset($_POST['to']) || ( isset($_POST['to']) && $_POST['to'] == ''))
        {
          $errors[] = $lang->get('privmsgs_err_need_username');
        }
        if(!isset($_POST['subject']) || ( isset($_POST['subject']) && $_POST['subject'] == ''))
        {
          $errors[] = $lang->get('privmsgs_err_need_subject');
        }
        if(!isset($_POST['message']) || ( isset($_POST['message']) && $_POST['message'] == ''))
        {
          $errors[] = $lang->get('privmsgs_err_need_message');
        }
        if ( count($errors) < 1 )
        {
          $namelist = $_POST['to'];
          $namelist = str_replace(', ', ',', $namelist);
          $namelist = explode(',', $namelist);
          foreach ( $namelist as $n )
          {
            $n = $db->escape($n);
          }
          $subject = $db->escape($_POST['subject']);
          $message = RenderMan::preprocess_text($_POST['message']);
          $base_query = 'UPDATE '.table_prefix.'privmsgs SET subject=\''.$subject.'\',message_to=\''.$namelist[0].'\',message_text=\''.$message.'\' WHERE message_id='.$id.';';
          $result = $db->sql_query($base_query);
          $db->free_result();
          if ( !$result )
          {
            $db->_die('The message could not be saved.');
          }
        }
      }
        if ( $argv[1]=='to' && $argv[2] )
        {
          $to = htmlspecialchars($argv[2]);
        }
        else
        {
          $to = '';
        }
        $template->header();
        userprefs_show_menu();
        echo '<form action="'.makeUrlNS('Special', 'PrivateMessages/Edit/'.$id).'" method="post">';
        
        if ( isset($_POST['_savedraft']) )
        {
          echo '<div class="info-box">' . $lang->get('privmsgs_msg_draft_saved') . '</div>';
        }
        ?>
        <br />
        <div class="tblholder"><table border="0" width="100%" cellspacing="1" cellpadding="4">
          <tr><th colspan="2"><?php echo $lang->get('privmsgs_lbl_edit_th'); ?></th></tr>
          <tr>
            <td class="row1">
              <?php echo $lang->get('privmsgs_lbl_compose_to'); ?><br />
              <small><?php echo $lang->get('privmsgs_lbl_compose_to_max', array('limit' => MAX_PMS_PER_BATCH)); ?></small>
            </td>
            <td class="row1">
              <?php echo $template->username_field('to', (isset($_POST['_savedraft'])) ? $_POST['to'] : $r['message_to'] ); ?>
            </td>
          </tr>
          <tr>
            <td class="row2">
              <?php echo $lang->get('privmsgs_lbl_subject'); ?>
            </td>
            <td class="row2">
              <input name="subject" type="text" size="30" value="<?php if(isset($_POST['_savedraft'])) echo htmlspecialchars($_POST['subject']); else echo $r['subject']; ?>" />
            </td>
          </tr>
          <tr>
            <td class="row1">
              <?php echo $lang->get('privmsgs_lbl_message'); ?>
            </td>
            <td class="row1" style="min-width: 80%;">
              <?php
                if ( isset($_POST['_savedraft']) )
                {
                  $content = htmlspecialchars($_POST['message']);
                }
                else
                {
                  $content =& $r['message_text'];
                }
                echo $template->tinymce_textarea('message', $content, 20, 40);
              ?>
            </td>
          </tr>
          
          <tr>
            <th class="subhead" colspan="2">
              <input type="submit" name="_send" value="<?php echo $lang->get('privmsgs_btn_send'); ?>" />
              <input type="submit" name="_savedraft" value="<?php echo $lang->get('privmsgs_btn_savedraft'); ?>" />
            </th>
          </tr>
        </table></div>
        <?php
        echo '</form>';
        $template->footer();
      break;
    case 'Folder':
      $template->header();
      userprefs_show_menu();
      switch($argv[1])
      {
        default:
          echo '<p>' . $lang->get('privmsgs_err_folder_not_exist', array(
              'folder_name' => htmlspecialchars($argv[1]),
              'inbox_url' => makeUrlNS('Special', 'PrivateMessages/Folder/Inbox')
            )) . '</p>';
          break;
        case 'Inbox':
        case 'Outbox':
        case 'Sent':
        case 'Drafts':
        case 'Archive':
          ?>
          <table border="0" width="100%" cellspacing="10" cellpadding="0">
          <tr>
          <td style="padding: 0px; width: 120px;" valign="top"  >
          <div class="tblholder" style="width: 120px;"><table border="0" width="120" cellspacing="1" cellpadding="4">
          <tr><th><small><?php echo $lang->get('privmsgs_sidebar_th_privmsgs'); ?></small></th></tr>
          <tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'); ?>"><?php echo $lang->get('privmsgs_folder_inbox'); ?></a></small></td></tr>
          <tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Outbox'); ?>"><?php echo $lang->get('privmsgs_folder_outbox'); ?></a></small></td></tr>
          <tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Sent'); ?>"><?php echo $lang->get('privmsgs_folder_sent'); ?></a></small></td></tr>
          <tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Drafts'); ?>"><?php echo $lang->get('privmsgs_folder_drafts'); ?></a></small></td></tr>
          <tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Archive'); ?>"><?php echo $lang->get('privmsgs_folder_archive'); ?></a></small></td></tr>
          <tr><th><small><?php echo $lang->get('privmsgs_sidebar_th_buddies'); ?></small></th></tr>
          <tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/FriendList'); ?>"><?php echo $lang->get('privmsgs_sidebar_friend_list'); ?></a></small></td></tr>
          <tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/FoeList'); ?>"><?php echo $lang->get('privmsgs_sidebar_foe_list'); ?></a></small></td></tr>
          </table></div>
          </td>
          <td valign="top">
          <?php
          $fname = strtolower($argv[1]);
          switch($argv[1])
          {
            case 'Inbox':
            case 'Archive':
            default:
              $q = $db->sql_query('SELECT p.message_id, p.message_from, p.message_to, p.date, p.subject, p.message_read FROM '.table_prefix.'privmsgs AS p WHERE p.folder_name=\''.$fname.'\' AND p.message_to=\''.$session->username.'\' ORDER BY date DESC;');
              break;
            case 'Outbox':
              $q = $db->sql_query('SELECT p.message_id, p.message_from, p.message_to, p.date, p.subject, p.message_read FROM '.table_prefix.'privmsgs AS p WHERE p.message_from=\''.$session->username.'\' AND message_read=0 ORDER BY date DESC;');
              break;
            case 'Sent':
              $q = $db->sql_query('SELECT p.message_id, p.message_from, p.message_to, p.date, p.subject, p.message_read FROM '.table_prefix.'privmsgs AS p WHERE p.message_from=\''.$session->username.'\' AND message_read=1 ORDER BY date DESC;');
              break;
            case 'Drafts':
              $q = $db->sql_query('SELECT p.message_id, p.message_from, p.message_to, p.date, p.subject, p.message_read FROM '.table_prefix.'privmsgs AS p WHERE p.folder_name=\''.$fname.'\' AND p.message_from=\''.$session->username.'\' ORDER BY date DESC;');
              break;
          }
          if ( !$q )
          {
            $db->_die('The private message data could not be selected.');
          }
          if ( $argv[1] == 'Drafts' || $argv[1] == 'Outbox' )
          {
            $act = 'Edit';
          }
          else
          {
            $act = 'View';
          }
          echo '<form action="'.makeUrlNS('Special', 'PrivateMessages/PostHandler').'" method="post">
                  <div class="tblholder">
                    <table border="0" width="100%" cellspacing="1" cellpadding="4">
                      <tr>
                        <th colspan="4" style="text-align: left;">' . $lang->get('privmsgs_folder_th_foldername') . ' ' . $lang->get('privmsgs_folder_' . strtolower($argv[1])) . '</th>
                      </tr>
                    <tr>
                      <th class="subhead">';
          if ( $fname == 'drafts' || $fname == 'Outbox' )
          {
            echo $lang->get('privmsgs_folder_th_to');
          }
          else
          {
            echo $lang->get('privmsgs_folder_th_from');
          }
          echo '</th>
                <th class="subhead">' . $lang->get('privmsgs_folder_th_subject') . '</th>
                <th class="subhead">' . $lang->get('privmsgs_folder_th_date') . '</th>
                <th class="subhead">' . $lang->get('privmsgs_folder_th_mark') . '</th>
              </tr>';
          if($db->numrows() < 1)
          {
            echo '<tr><td style="text-align: center;" class="row1" colspan="4">' . $lang->get('privmsgs_msg_no_messages') . '</td></tr>';
          }
          else
          {
            $cls = 'row2';
            while ( $r = $db->fetchrow() )
            {
              if($cls == 'row2') $cls='row1';
              else $cls = 'row2';
              $mto = str_replace(' ', '_', $r['message_to']);
              $mfr = str_replace(' ', '_', $r['message_from']);
              echo '<tr><td class="'.$cls.'"><a href="'.makeUrlNS('User', ( $fname == 'drafts') ? $mto : $mfr).'">';
              if ( $fname == 'drafts' || $fname == 'outbox' )
              {
                echo $r['message_to'];
              }
              else
              {
                echo $r['message_from'];
              }
              
              echo '</a></td><td class="'.$cls.'"><a href="'.makeUrlNS('Special', 'PrivateMessages/'.$act.'/'.$r['message_id']).'">';
              
              if ( $r['message_read'] == 0 )
              {
                echo '<b>';
              }
              echo $r['subject'];
              if ( $r['message_read'] == 0 )
              {
                echo '</b>';
              }
              echo '</a></td><td class="'.$cls.'">'.enano_date('M j, Y G:i', $r['date']).'</td><td class="'.$cls.'" style="text-align: center;"><input name="marked_'.$r['message_id'].'" type="checkbox" /></td></tr>';
            }
            $db->free_result();
          }
          echo '<tr>
                  <th style="text-align: right;" colspan="4">
                    <input type="hidden" name="folder" value="'.$fname.'" />
                    <input type="submit" name="archive" value="' . $lang->get('privmsgs_btn_archive_selected') . '" />
                    <input type="submit" name="delete" value="' . $lang->get('privmsgs_btn_delete_selected') . '" />
                    <input type="submit" name="deleteall" value="' . $lang->get('privmsgs_btn_delete_all') . '" />
                  </th>
                </tr>';
          echo '</table></div></form>
          <br />
          <a href="'.makeUrlNS('Special', 'PrivateMessages/Compose/').'">' . $lang->get('privmsgs_btn_compose') . '</a>
          </td></tr></table>';
          break;
      }
      $template->footer();
      break;
    case 'PostHandler':
      $fname = $db->escape(strtolower($_POST['folder']));
      if($fname=='drafts' || $fname=='outbox')
      {
        $q = $db->sql_query('SELECT p.message_id, p.message_from, p.message_to, p.date, p.subject FROM '.table_prefix.'privmsgs AS p WHERE p.folder_name=\''.$fname.'\' AND p.message_from=\''.$session->username.'\' ORDER BY date DESC;');  
      } else {
        $q = $db->sql_query('SELECT p.message_id, p.message_from, p.message_to, p.date, p.subject FROM '.table_prefix.'privmsgs AS p WHERE p.folder_name=\''.$fname.'\' AND p.message_to=\''.$session->username.'\' ORDER BY date DESC;');
      }
      if(!$q) $db->_die('The private message data could not be selected.');
          
      if(isset($_POST['archive'])) {
        while($row = $db->fetchrow($q))
        {
          if(isset($_POST['marked_'.$row['message_id']]))
          {
            $e = $db->sql_query('UPDATE '.table_prefix.'privmsgs SET folder_name=\'archive\' WHERE message_id='.$row['message_id'].';');
            if(!$e) $db->_die('Message '.$row['message_id'].' was not successfully moved.');
            $db->free_result();
          }
        }
      } elseif(isset($_POST['delete'])) {
        while($row = $db->fetchrow($q))
        {
          if(isset($_POST['marked_'.$row['message_id']]))
          {
            $e = $db->sql_query('DELETE FROM '.table_prefix.'privmsgs WHERE message_id='.$row['message_id'].';');
            if(!$e) $db->_die('Message '.$row['message_id'].' was not successfully moved.');
            $db->free_result();
          }
        }
      } elseif(isset($_POST['deleteall'])) {
        while($row = $db->fetchrow($q))
        {
          $e = $db->sql_query('DELETE FROM '.table_prefix.'privmsgs WHERE message_id='.$row['message_id'].';');
          if(!$e) $db->_die('Message '.$row['message_id'].' was not successfully moved.');
          $db->free_result();
        }
      } else {
        die_friendly('Invalid request', 'This section can only be accessed from within another Private Message section.');
      }
      $db->free_result($q);
      header('Location: '.makeUrlNS('Special', 'PrivateMessages/Folder/'. substr(strtoupper($_POST['folder']), 0, 1) . substr(strtolower($_POST['folder']), 1, strlen($_POST['folder'])) ));
      break;
    case 'FriendList':
      if($argv[1] == 'Add')
      {
        if(isset($_POST['_go']))
          $buddyname = $_POST['buddyname'];
        elseif($argv[2])
          $buddyname = $argv[2];
        else
          die_friendly('Error adding buddy', '<p>No name specified</p>');
        $q = $db->sql_query('SELECT user_id FROM '.table_prefix.'users WHERE username=\''.$db->escape($buddyname).'\'');
        if(!$q) $db->_die('The buddy\'s user ID could not be selected.');
        if($db->numrows() < 1) echo '<h3>Error adding buddy</h3><p>The username you entered is not in use by any registered user.</p>';
        {
          $r = $db->fetchrow();
          $db->free_result();
          $q = $db->sql_query('INSERT INTO '.table_prefix.'buddies(user_id,buddy_user_id,is_friend) VALUES('.$session->user_id.', '.$r['user_id'].', 1);');
          if(!$q) echo '<h3>Warning:</h3><p>Buddy could not be added: '.$db->get_error().'</p>';
          $db->free_result();
        }
      } elseif($argv[1] == 'Remove' && preg_match('#^([0-9]+)$#', $argv[2])) {
        // Using WHERE user_id prevents users from deleting others' buddies
        $q = $db->sql_query('DELETE FROM '.table_prefix.'buddies WHERE user_id='.$session->user_id.' AND buddy_id='.$argv[2].';');
        $db->free_result();
        if(!$q) echo '<h3>Warning:</h3><p>Buddy could not be deleted: '.$db->get_error().'</p>';
        if(mysql_affected_rows() < 1) echo '<h3>Warning:</h3><p>No rows were affected. Either the selected buddy ID does not exist or you tried to delete someone else\'s buddy.</p>';
      }
      $template->header();
      userprefs_show_menu();
      ?>
      <table border="0" width="100%" cellspacing="10" cellpadding="0">
          <tr>
          <td style="padding: 0px; width: 120px;" valign="top"  >
          <div class="tblholder" style="width: 120px;"><table border="0" width="120" cellspacing="1" cellpadding="4">
          <tr><th><small><?php echo $lang->get('privmsgs_sidebar_th_privmsgs'); ?></small></th></tr>
          <tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'); ?>"><?php echo $lang->get('privmsgs_folder_inbox'); ?></a></small></td></tr>
          <tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Outbox'); ?>"><?php echo $lang->get('privmsgs_folder_outbox'); ?></a></small></td></tr>
          <tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Sent'); ?>"><?php echo $lang->get('privmsgs_folder_sent'); ?></a></small></td></tr>
          <tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Drafts'); ?>"><?php echo $lang->get('privmsgs_folder_drafts'); ?></a></small></td></tr>
          <tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Archive'); ?>"><?php echo $lang->get('privmsgs_folder_archive'); ?></a></small></td></tr>
          <tr><th><small><?php echo $lang->get('privmsgs_sidebar_th_buddies'); ?></small></th></tr>
          <tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/FriendList'); ?>"><?php echo $lang->get('privmsgs_sidebar_friend_list'); ?></a></small></td></tr>
          <tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/FoeList'); ?>"><?php echo $lang->get('privmsgs_sidebar_foe_list'); ?></a></small></td></tr>
          </table></div>
          </td>
          <td valign="top">
        <?php
        $q = $db->sql_query('SELECT u.username,b.buddy_id FROM '.table_prefix.'buddies AS b LEFT JOIN '.table_prefix.'users AS u ON ( u.user_id=b.buddy_user_id ) WHERE b.user_id='.$session->user_id.' AND is_friend=1;');
        if(!$q) $db->_die('The buddy list could not be selected.');
        else 
        {
          $allbuds = '';
          echo '<br /><div class="tblholder"><table border="0" width="100%" cellspacing="1" cellpadding="4"><tr><th colspan="3">' . $lang->get('privmsgs_th_buddy_list', array('username' => htmlspecialchars($session->username))) . '</th></tr>';
          if($db->numrows() < 1) echo '<tr><td class="row3">' . $lang->get('privmsgs_msg_no_buddies') . '</td></tr>';
          $cls = 'row2';
          while ( $row = $db->fetchrow() )
          {
            if($cls=='row2') $cls = 'row1';
            else $cls = 'row2';
            echo '<tr><td class="'.$cls.'"><a href="'.makeUrlNS('User', str_replace(' ', '_', $row['username'])).'" '. ( isPage($paths->nslist['User'].str_replace(' ', '_', $row['username'])) ? '' : 'class="wikilink-nonexistent" ' ) .'>'.$row['username'].'</a></td><td class="'.$cls.'"><a href="'.makeUrlNS('Special', 'PrivateMessages/Compose/to/'.str_replace(' ', '_', $row['username'])).'">' . $lang->get('privmsgs_btn_buddy_send_pm') . '</a></td><td class="'.$cls.'"><a href="'.makeUrlNS('Special', 'PrivateMessages/FriendList/Remove/'.$row['buddy_id']).'">' . $lang->get('privmsgs_btn_buddy_remove') . '</a></td></tr>';
            $allbuds .= str_replace(' ', '_', $row['username']).',';
          }
          $db->free_result();
          $allbuds = substr($allbuds, 0, strlen($allbuds)-1);
          if($cls=='row2') $cls = 'row1';
          else $cls = 'row2';
          echo '<tr><td colspan="3" class="'.$cls.'" style="text-align: center;"><a href="'.makeUrlNS('Special', 'PrivateMessages/Compose/to/'.$allbuds).'">' . $lang->get('privmsgs_btn_pm_all_buddies') . '</a></td></tr>';
          echo '</table></div>';
        }
        echo '<form action="'.makeUrlNS('Special', 'PrivateMessages/FriendList/Add').'" method="post" onsubmit="if(!submitAuthorized) return false;">
              <h3>' . $lang->get('privmsgs_heading_add_buddy') . '</h3>';
        echo '<p>' . $lang->get('privmsgs_lbl_username') . ' '.$template->username_field('buddyname').'  <input type="submit" name="_go" value="' . $lang->get('privmsgs_btn_add') . '" /></p>';
        echo '</form>';
        ?>
        </td>
        </tr>
        </table>
        <?php
      $template->footer();
      break;
    case 'FoeList':
      if($argv[1] == 'Add' && isset($_POST['_go']))
      {
        $q = $db->sql_query('SELECT user_id FROM '.table_prefix.'users WHERE username=\''.$db->escape($_POST['buddyname']).'\'');
        if(!$q) $db->_die('The buddy\'s user ID could not be selected.');
        if($db->numrows() < 1) echo '<h3>Error adding buddy</h3><p>The username you entered is not in use by any registered user.</p>';
        {
          $r = $db->fetchrow();
          $q = $db->sql_query('INSERT INTO '.table_prefix.'buddies(user_id,buddy_user_id,is_friend) VALUES('.$session->user_id.', '.$r['user_id'].', 0);');
          if(!$q) echo '<h3>Warning:</h3><p>Buddy could not be added: '.$db->get_error().'</p>';
        }
        $db->free_result();
      } elseif($argv[1] == 'Remove' && preg_match('#^([0-9]+)$#', $argv[2])) {
        // Using WHERE user_id prevents users from deleting others' buddies
        $q = $db->sql_query('DELETE FROM '.table_prefix.'buddies WHERE user_id='.$session->user_id.' AND buddy_id='.$argv[2].';');
        $db->free_result();
        if(!$q) echo '<h3>Warning:</h3><p>Buddy could not be deleted: '.$db->get_error().'</p>';
        if(mysql_affected_rows() < 1) echo '<h3>Warning:</h3><p>No rows were affected. Either the selected buddy ID does not exist or you tried to delete someone else\'s buddy.</p>';
      }
      $template->header();
      userprefs_show_menu();
      ?>
        <table border="0" width="100%" cellspacing="10" cellpadding="0">
        <tr>
        <td style="padding: 0px; width: 120px;" valign="top"  >
        <div class="tblholder" style="width: 120px;"><table border="0" width="120" cellspacing="1" cellpadding="4">
        <tr><th><small><?php echo $lang->get('privmsgs_sidebar_th_privmsgs'); ?></small></th></tr>
        <tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'); ?>"><?php echo $lang->get('privmsgs_folder_inbox'); ?></a></small></td></tr>
        <tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Outbox'); ?>"><?php echo $lang->get('privmsgs_folder_outbox'); ?></a></small></td></tr>
        <tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Sent'); ?>"><?php echo $lang->get('privmsgs_folder_sent'); ?></a></small></td></tr>
        <tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Drafts'); ?>"><?php echo $lang->get('privmsgs_folder_drafts'); ?></a></small></td></tr>
        <tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/Folder/Archive'); ?>"><?php echo $lang->get('privmsgs_folder_archive'); ?></a></small></td></tr>
        <tr><th><small><?php echo $lang->get('privmsgs_sidebar_th_buddies'); ?></small></th></tr>
        <tr><td class="row2"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/FriendList'); ?>"><?php echo $lang->get('privmsgs_sidebar_friend_list'); ?></a></small></td></tr>
        <tr><td class="row1"><small><a href="<?php echo makeUrlNS('Special', 'PrivateMessages/FoeList'); ?>"><?php echo $lang->get('privmsgs_sidebar_foe_list'); ?></a></small></td></tr>
        </table></div>
        </td>
        <td valign="top">
        <?php
        $q = $db->sql_query('SELECT u.username,b.buddy_id FROM '.table_prefix.'buddies AS b LEFT JOIN '.table_prefix.'users AS u ON ( u.user_id=b.buddy_user_id ) WHERE b.user_id='.$session->user_id.' AND is_friend=0;');
        if(!$q) $db->_die('The buddy list could not be selected.');
        else 
        {
          $allbuds = '';
          echo '<br /><div class="tblholder"><table border="0" width="100%" cellspacing="1" cellpadding="4"><tr><th colspan="3">' . $lang->get('privmsgs_th_foe_list', array('username' => htmlspecialchars($session->username))) . '</th></tr>';
          if($db->numrows() < 1) echo '<tr><td class="row3">' . $lang->get('privmsgs_msg_no_foes') . '</td></tr>';
          $cls = 'row2';
          while ( $row = $db->fetchrow() )
          {
            if($cls=='row2') $cls = 'row1';
            else $cls = 'row2';
            echo '<tr><td class="'.$cls.'"><a href="'.makeUrlNS('User', str_replace(' ', '_', $row['username'])).'" '. ( isPage($paths->nslist['User'].str_replace(' ', '_', $row['username'])) ? '' : 'class="wikilink-nonexistent" ' ) .'>'.$row['username'].'</a></td><td class="'.$cls.'"><a href="'.makeUrlNS('Special', 'PrivateMessages/Compose/to/'.str_replace(' ', '_', $row['username'])).'">' . $lang->get('privmsgs_btn_buddy_send_pm') . '</a></td><td class="'.$cls.'"><a href="'.makeUrlNS('Special', 'PrivateMessages/FoeList/Remove/'.$row['buddy_id']).'">' . $lang->get('privmsgs_btn_buddy_remove') . '</a></td></tr>';
            $allbuds .= str_replace(' ', '_', $row['username']).',';
          }
          $db->free_result();
          $allbuds = substr($allbuds, 0, strlen($allbuds)-1);
          if($cls=='row2') $cls = 'row1';
          else $cls = 'row2';
          echo '</table></div>';
        }
        echo '<form action="'.makeUrlNS('Special', 'PrivateMessages/FoeList/Add').'" method="post" onsubmit="if(!submitAuthorized) return false;">
              <h3>' . $lang->get('privmsgs_heading_add_foe') . '</h3>';
        echo '<p>' . $lang->get('privmsgs_lbl_username') . ' '.$template->username_field('buddyname').'  <input type="submit" name="_go" value="' . $lang->get('privmsgs_btn_add') . '" /></p>';
        echo '</form>';
        ?>
        </td>
        </tr>
        </table>
        <?php
      $template->footer();
      break;
  }
}

?>