No "Database reported" message

<?php
/***********************************************************************

  Copyright (C) 2002-2005  Rickard Andersson (rickard@punbb.org)

  This file is part of PunBB.

  PunBB is free software; you can redistribute it 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.

  PunBB 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 more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  MA  02111-1307  USA

************************************************************************/

define('PUN_ROOT', './');
require PUN_ROOT.'include/common.php';


$action = isset($_GET['action']) ? $_GET['action'] : null;
$section = isset($_GET['section']) ? $_GET['section'] : null;
$id = isset($_GET['id']) ? intval($_GET['id']) : 0;
if ($id < 2)
    message($lang_common['Bad request']);

if ($pun_user['g_read_board'] == '0' && ($action != 'change_pass' || !isset($_GET['key'])))
    message($lang_common['No view']);

// Load the profile.php/register.php language file
require PUN_ROOT.'lang/'.$pun_user['language'].'/prof_reg.php';

// Load the profile.php language file
require PUN_ROOT.'lang/'.$pun_user['language'].'/profile.php';


if ($action == 'change_pass')
{
    if (isset($_GET['key']))
    {
        // If the user is already logged in we shouldn't be here :)
        if (!$pun_user['is_guest'])
        {
            header('Location: index.php');
            exit;
        }

        $key = $_GET['key'];

        $result = $db->query('SELECT activate_string, activate_key FROM '.$db->prefix.'users WHERE id='.$id) or error('Unable to fetch new password', __FILE__, __LINE__, $db->error());
        list($new_password_hash, $new_password_key) = $db->fetch_row($result);

        if ($key == '' || $key != $new_password_key)
            message($lang_profile['Pass key bad'].' <a href="mailto:'.$pun_config['o_admin_email'].'">'.$pun_config['o_admin_email'].'</a>.');
        else
        {
            $db->query('UPDATE '.$db->prefix.'users SET password=\''.$new_password_hash.'\', activate_string=NULL, activate_key=NULL WHERE id='.$id) or error('Unable to update password', __FILE__, __LINE__, $db->error());

            message($lang_profile['Pass updated'], true);
        }
    }

    // Make sure we are allowed to change this users password
    if ($pun_user['id'] != $id)
    {
        if ($pun_user['g_id'] > PUN_MOD)    // A regular user trying to change another users password?
            message($lang_common['No permission']);
        else if ($pun_user['g_id'] == PUN_MOD)    // A moderator trying to change a users password?
        {
            $result = $db->query('SELECT group_id FROM '.$db->prefix.'users WHERE id='.$id) or error('Unable to fetch user info', __FILE__, __LINE__, $db->error());
            if (!$db->num_rows($result))
                message($lang_common['Bad request']);

            if ($pun_config['p_mod_edit_users'] == '0' || $pun_config['p_mod_change_passwords'] == '0' || $db->result($result) < PUN_GUEST)
                message($lang_common['No permission']);
        }
    }

    if (isset($_POST['form_sent']))
    {
        $old_password = isset($_POST['req_old_password']) ? trim($_POST['req_old_password']) : '';
        $new_password1 = trim($_POST['req_new_password1']);
        $new_password2 = trim($_POST['req_new_password2']);

        if ($new_password1 != $new_password2)
            message($lang_prof_reg['Pass not match']);
        if (strlen($new_password1) < 4)
            message($lang_prof_reg['Pass too short']);

        $result = $db->query('SELECT password, save_pass FROM '.$db->prefix.'users WHERE id='.$id) or error('Unable to fetch password', __FILE__, __LINE__, $db->error());
        list($db_password_hash, $save_pass) = $db->fetch_row($result);

        $authorized = false;

        if (!empty($db_password_hash))
        {
            $sha1_in_db = (strlen($db_password_hash) == 40) ? true : false;
            $sha1_available = (function_exists('sha1') || function_exists('mhash')) ? true : false;

            $old_password_hash = pun_hash($old_password);    // This could result in either an SHA-1 or an MD5 hash

            if (($sha1_in_db && $sha1_available && $db_password_hash == $old_password_hash) ||
                (!$sha1_in_db && $db_password_hash == md5($old_password)) ||
                $pun_user['g_id'] < PUN_GUEST)
                $authorized = true;
        }

        if (!$authorized)
            message($lang_profile['Wrong pass']);

        $new_password_hash = pun_hash($new_password1);

        $db->query('UPDATE '.$db->prefix.'users SET password=\''.$new_password_hash.'\' WHERE id='.$id) or error('Unable to update password', __FILE__, __LINE__, $db->error());

        if ($pun_user['id'] == $id)
        {
            $expire = ($save_pass == '1') ? time() + 31536000 : 0;
            pun_setcookie($pun_user['id'], $new_password_hash, $expire);
        }

        redirect('profile.php?section=essentials&id='.$id, $lang_profile['Pass updated redirect']);
    }

    $page_title = pun_htmlspecialchars($pun_config['o_board_title']).' / '.$lang_common['Profile'];
    $required_fields = array('req_old_password' => $lang_profile['Old pass'], 'req_new_password1' => $lang_profile['New pass'], 'req_new_password2' => $lang_profile['Confirm new pass']);
    $focus_element = array('change_pass', (($pun_user['g_id'] > PUN_MOD) ? 'req_old_password' : 'req_new_password1'));
    require PUN_ROOT.'header.php';

?>
<div class="blockform">
    <h2><span><?php echo $lang_profile['Change pass'] ?></span></h2>
    <div class="box">
        <form id="change_pass" method="post" action="profile.php?action=change_pass&id=<?php echo $id ?>" onsubmit="return process_form(this)">
            <div class="inform">
                <input type="hidden" name="form_sent" value="1" />
                <fieldset>
                    <legend><?php echo $lang_profile['Change pass legend'] ?></legend>
                    <div class="infldset">
<?php if ($pun_user['g_id'] > PUN_MOD): ?>                        <label><strong><?php echo $lang_profile['Old pass'] ?></strong><br />
                        <input type="password" name="req_old_password" size="16" maxlength="16" /><br /></label>
<?php endif; ?>                        <label class="conl"><strong><?php echo $lang_profile['New pass'] ?></strong><br />
                        <input type="password" name="req_new_password1" size="16" maxlength="16" /><br /></label>
                        <label class="conl"><strong><?php echo $lang_profile['Confirm new pass'] ?></strong><br />
                        <input type="password" name="req_new_password2" size="16" maxlength="16" /><br /></label>
                        <div class="clearb"></div>
                    </div>
                </fieldset>
            </div>
            <p><input type="submit" name="update" value="<?php echo $lang_common['Submit'] ?>" /><a href="javascript:history.go(-1)"><?php echo $lang_common['Go back'] ?></a></p>
        </form>
    </div>
</div>
<?php

    require PUN_ROOT.'footer.php';
}


else if ($action == 'change_email')
{
    // Make sure we are allowed to change this users e-mail
    if ($pun_user['id'] != $id)
    {
        if ($pun_user['g_id'] > PUN_MOD)    // A regular user trying to change another users e-mail?
            message($lang_common['No permission']);
        else if ($pun_user['g_id'] == PUN_MOD)    // A moderator trying to change a users e-mail?
        {
            $result = $db->query('SELECT group_id FROM '.$db->prefix.'users WHERE id='.$id) or error('Unable to fetch user info', __FILE__, __LINE__, $db->error());
            if (!$db->num_rows($result))
                message($lang_common['Bad request']);

            if ($pun_config['p_mod_edit_users'] == '0' || $db->result($result) < PUN_GUEST)
                message($lang_common['No permission']);
        }
    }

    if (isset($_GET['key']))
    {
        $key = $_GET['key'];

        $result = $db->query('SELECT activate_string, activate_key FROM '.$db->prefix.'users WHERE id='.$id) or error('Unable to fetch activation data', __FILE__, __LINE__, $db->error());
        list($new_email, $new_email_key) = $db->fetch_row($result);

        if ($key != $new_email_key)
            message($lang_profile['E-mail key bad'].' <a href="mailto:'.$pun_config['o_admin_email'].'">'.$pun_config['o_admin_email'].'</a>.');
        else
        {
            $db->query('UPDATE '.$db->prefix.'users SET email=activate_string, activate_string=NULL, activate_key=NULL WHERE id='.$id) or error('Unable to update e-mail address', __FILE__, __LINE__, $db->error());

            message($lang_profile['E-mail updated'], true);
        }
    }
    else if (isset($_POST['form_sent']))
    {
        if (pun_hash($_POST['req_password']) !== $pun_user['password'])
            message($lang_profile['Wrong pass']);

        require PUN_ROOT.'include/email.php';

        // Validate the email-address
        $new_email = strtolower(trim($_POST['req_new_email']));
        if (!is_valid_email($new_email))
            message($lang_common['Invalid e-mail']);

        // Check it it's a banned e-mail address
        if (is_banned_email($new_email))
        {
            if ($pun_config['p_allow_banned_email'] == '0')
                message($lang_prof_reg['Banned e-mail']);
            else if ($pun_config['o_mailing_list'] != '')
            {
                $mail_subject = 'Alert - Banned e-mail detected';
                $mail_message = 'User \''.$pun_user['username'].'\' changed to banned e-mail address: '.$new_email."\n\n".'User profile: '.$pun_config['o_base_url'].'/profile.php?id='.$id."\n\n".'-- '."\n".'Forum Mailer'."\n".'(Do not reply to this message)';

                pun_mail($pun_config['o_mailing_list'], $mail_subject, $mail_message);
            }
        }

        // Check if someone else already has registered with that e-mail address
        $result = $db->query('SELECT id, username FROM '.$db->prefix.'users WHERE email=\''.$db->escape($new_email).'\'') or error('Unable to fetch user info', __FILE__, __LINE__, $db->error());
        if ($db->num_rows($result))
        {
            if ($pun_config['p_allow_dupe_email'] == '0')
                message($lang_prof_reg['Dupe e-mail']);
            else if ($pun_config['o_mailing_list'] != '')
            {
                while ($cur_dupe = $db->fetch_assoc($result))
                    $dupe_list[] = $cur_dupe['username'];

                $mail_subject = 'Alert - Duplicate e-mail detected';
                $mail_message = 'User \''.$pun_user['username'].'\' changed to an e-mail address that also belongs to: '.implode(', ', $dupe_list)."\n\n".'User profile: '.$pun_config['o_base_url'].'/profile.php?id='.$id."\n\n".'-- '."\n".'Forum Mailer'."\n".'(Do not reply to this message)';

                pun_mail($pun_config['o_mailing_list'], $mail_subject, $mail_message);
            }
        }


        $new_email_key = random_pass(8);

        $db->query('UPDATE '.$db->prefix.'users SET activate_string=\''.$db->escape($new_email).'\', activate_key=\''.$new_email_key.'\' WHERE id='.$id) or error('Unable to update activation data', __FILE__, __LINE__, $db->error());

        // Load the "activate e-mail" template
        $mail_tpl = trim(file_get_contents(PUN_ROOT.'lang/'.$pun_user['language'].'/mail_templates/activate_email.tpl'));

        // The first row contains the subject
        $first_crlf = strpos($mail_tpl, "\n");
        $mail_subject = trim(substr($mail_tpl, 8, $first_crlf-8));
        $mail_message = trim(substr($mail_tpl, $first_crlf));

        $mail_message = str_replace('<username>', $pun_user['username'], $mail_message);
        $mail_message = str_replace('<base_url>', $pun_config['o_base_url'], $mail_message);
        $mail_message = str_replace('<activation_url>', $pun_config['o_base_url'].'/profile.php?action=change_email&id='.$id.'&key='.$new_email_key, $mail_message);
        $mail_message = str_replace('<board_mailer>', $pun_config['o_board_title'].' '.$lang_common['Mailer'], $mail_message);

        pun_mail($new_email, $mail_subject, $mail_message);

        message($lang_profile['Activate e-mail sent'].' <a href="mailto:'.$pun_config['o_admin_email'].'">'.$pun_config['o_admin_email'].'</a>.', true);
    }

    $page_title = pun_htmlspecialchars($pun_config['o_board_title']).' / '.$lang_common['Profile'];
    $required_fields = array('req_new_email' => $lang_profile['New e-mail'], 'req_password' => $lang_common['Password']);
    $focus_element = array('change_email', 'req_new_email');
    require PUN_ROOT.'header.php';

?>
<div class="blockform">
    <h2><span><?php echo $lang_profile['Change e-mail'] ?></span></h2>
    <div class="box">
        <form id="change_email" method="post" action="profile.php?action=change_email&id=<?php echo $id ?>" id="change_email" onsubmit="return process_form(this)">
            <div class="inform">
                <fieldset>
                    <legend><?php echo $lang_profile['E-mail legend'] ?></legend>
                    <div class="infldset">
                        <input type="hidden" name="form_sent" value="1" />
                        <label><strong><?php echo $lang_profile['New e-mail'] ?></strong><br /><input type="text" name="req_new_email" size="50" maxlength="50" /><br /></label>
                        <label><strong><?php echo $lang_common['Password'] ?></strong><br /><input type="password" name="req_password" size="16" maxlength="16" /><br /></label>
                        <p><?php echo $lang_profile['E-mail instructions'] ?></p>
                    </div>
                </fieldset>
            </div>
            <p><input type="submit" name="new_email" value="<?php echo $lang_common['Submit'] ?>" /><a href="javascript:history.go(-1)"><?php echo $lang_common['Go back'] ?></a></p>
        </form>
    </div>
</div>
<?php

    require PUN_ROOT.'footer.php';
}


else if ($action == 'upload_avatar' || $action == 'upload_avatar2')
{
    if ($pun_config['o_avatars'] == '0')
        message($lang_profile['Avatars disabled']);

    if ($pun_user['id'] != $id && $pun_user['g_id'] > PUN_MOD)
        message($lang_common['No permission']);

    if (isset($_POST['form_sent']))
    {
        if (!isset($_FILES['req_file']))
            message($lang_profile['No file']);
            
        $uploaded_file = $_FILES['req_file'];

        // Make sure the upload went smooth
        if (isset($uploaded_file['error']))
        {
            switch ($uploaded_file['error'])
            {
                case 1:    // UPLOAD_ERR_INI_SIZE
                case 2:    // UPLOAD_ERR_FORM_SIZE
                    message($lang_profile['Too large ini']);
                    break;

                case 3:    // UPLOAD_ERR_PARTIAL
                    message($lang_profile['Partial upload']);
                    break;

                case 4:    // UPLOAD_ERR_NO_FILE
                    message($lang_profile['No file']);
                    break;

                case 6:    // UPLOAD_ERR_NO_TMP_DIR
                    message($lang_profile['No tmp directory']);
                    break;

                default:
                    // No error occured, but was something actually uploaded?
                    if ($uploaded_file['size'] == 0)
                        message($lang_profile['No file']);
                    break;
            }
        }

        if (is_uploaded_file($uploaded_file['tmp_name']))
        {
            $allowed_types = array('image/gif', 'image/jpeg', 'image/pjpeg', 'image/png', 'image/x-png');
            if (!in_array($uploaded_file['type'], $allowed_types))
                message($lang_profile['Bad type']);

            // Make sure the file isn't too big
            if ($uploaded_file['size'] > $pun_config['o_avatars_size'])
                message($lang_profile['Too large'].' '.$pun_config['o_avatars_size'].' '.$lang_profile['bytes'].'.');

            // Determine type
            $extensions = null;
            if ($uploaded_file['type'] == 'image/gif')
                $extensions = array('.gif', '.jpg', '.png');
            else if ($uploaded_file['type'] == 'image/jpeg' || $uploaded_file['type'] == 'image/pjpeg')
                $extensions = array('.jpg', '.gif', '.png');
            else
                $extensions = array('.png', '.gif', '.jpg');

            // Move the file to the avatar directory. We do this before checking the width/height to circumvent open_basedir restrictions.
            if (!@move_uploaded_file($uploaded_file['tmp_name'], $pun_config['o_avatars_dir'].'/'.$id.'.tmp'))
                message($lang_profile['Move failed'].' <a href="mailto:'.$pun_config['o_admin_email'].'">'.$pun_config['o_admin_email'].'</a>.');

            // Now check the width/height
            list($width, $height, $type,) = getimagesize($pun_config['o_avatars_dir'].'/'.$id.'.tmp');
            if (empty($width) || empty($height) || $width > $pun_config['o_avatars_width'] || $height > $pun_config['o_avatars_height'])
            {
                @unlink($pun_config['o_avatars_dir'].'/'.$id.'.tmp');
                message($lang_profile['Too wide or high'].' '.$pun_config['o_avatars_width'].'x'.$pun_config['o_avatars_height'].' '.$lang_profile['pixels'].'.');
            }
            else if ($type == 1 && $uploaded_file['type'] != 'image/gif')    // Prevent dodgy uploads
            {
                @unlink($pun_config['o_avatars_dir'].'/'.$id.'.tmp');
                message($lang_profile['Bad type']);
            }            

            // Delete any old avatars and put the new one in place
            @unlink($pun_config['o_avatars_dir'].'/'.$id.$extensions[0]);
            @unlink($pun_config['o_avatars_dir'].'/'.$id.$extensions[1]);
            @unlink($pun_config['o_avatars_dir'].'/'.$id.$extensions[2]);
            @rename($pun_config['o_avatars_dir'].'/'.$id.'.tmp', $pun_config['o_avatars_dir'].'/'.$id.$extensions[0]);
            @chmod($pun_config['o_avatars_dir'].'/'.$id.$extensions[0], 0644);
        }
        else
            message($lang_profile['Unknown failure']);

        // Enable use_avatar (seems sane since the user just uploaded an avatar)
        $db->query('UPDATE '.$db->prefix.'users SET use_avatar=1 WHERE id='.$id) or error('Unable to update avatar state', __FILE__, __LINE__, $db->error());

        redirect('profile.php?section=personality&id='.$id, $lang_profile['Avatar upload redirect']);
    }

    $page_title = pun_htmlspecialchars($pun_config['o_board_title']).' / '.$lang_common['Profile'];
    $required_fields = array('req_file' => $lang_profile['File']);
    $focus_element = array('upload_avatar', 'req_file');
    require PUN_ROOT.'header.php';

?>
<div class="blockform">
    <h2><span><?php echo $lang_profile['Upload avatar'] ?></span></h2>
    <div class="box">
        <form id="upload_avatar" method="post" enctype="multipart/form-data" action="profile.php?action=upload_avatar2&id=<?php echo $id ?>" onsubmit="return process_form(this)">
            <div class="inform">
                <fieldset>
                    <legend><?php echo $lang_profile['Upload avatar legend'] ?></legend>
                    <div class="infldset">
                        <input type="hidden" name="form_sent" value="1" />
                        <input type="hidden" name="MAX_FILE_SIZE" value="<?php echo $pun_config['o_avatars_size'] ?>" />
                        <label><strong><?php echo $lang_profile['File'] ?></strong><br /><input name="req_file" type="file" size="40" /><br /></label>
                        <p><?php echo $lang_profile['Avatar desc'].' '.$pun_config['o_avatars_width'].' x '.$pun_config['o_avatars_height'].' '.$lang_profile['pixels'].' '.$lang_common['and'].' '.$pun_config['o_avatars_size'].' '.$lang_profile['bytes'].' ('.ceil($pun_config['o_avatars_size'] / 1024) ?> KB).</p>
                    </div>
                </fieldset>
            </div>
            <p><input type="submit" name="upload" value="<?php echo $lang_profile['Upload'] ?>" /><a href="javascript:history.go(-1)"><?php echo $lang_common['Go back'] ?></a></p>
        </form>
    </div>
</div>
<?php

    require PUN_ROOT.'footer.php';
}


else if ($action == 'delete_avatar')
{
    if ($pun_user['id'] != $id && $pun_user['g_id'] > PUN_MOD)
        message($lang_common['No permission']);

    confirm_referrer('profile.php');

    @unlink($pun_config['o_avatars_dir'].'/'.$id.'.jpg');
    @unlink($pun_config['o_avatars_dir'].'/'.$id.'.png');
    @unlink($pun_config['o_avatars_dir'].'/'.$id.'.gif');

    // Disable use_avatar
    $db->query('UPDATE '.$db->prefix.'users SET use_avatar=0 WHERE id='.$id) or error('Unable to update avatar state', __FILE__, __LINE__, $db->error());

    redirect('profile.php?section=personality&id='.$id, $lang_profile['Avatar deleted redirect']);
}


else if (isset($_POST['update_group_membership']))
{
    if ($pun_user['g_id'] > PUN_ADMIN)
        message($lang_common['No permission']);

    confirm_referrer('profile.php');

    $new_group_id = intval($_POST['group_id']);

    $db->query('UPDATE '.$db->prefix.'users SET group_id='.$new_group_id.' WHERE id='.$id) or error('Unable to change user group', __FILE__, __LINE__, $db->error());

    // If the user was a moderator or an administrator, we remove him/her from the moderator list in all forums as well
    if ($new_group_id > PUN_MOD)
    {
        $result = $db->query('SELECT id, moderators FROM '.$db->prefix.'forums') or error('Unable to fetch forum list', __FILE__, __LINE__, $db->error());

        while ($cur_forum = $db->fetch_assoc($result))
        {
            $cur_moderators = ($cur_forum['moderators'] != '') ? unserialize($cur_forum['moderators']) : array();

            if (in_array($id, $cur_moderators))
            {
                $username = array_search($id, $cur_moderators);
                unset($cur_moderators[$username]);
                $cur_moderators = (!empty($cur_moderators)) ? '\''.$db->escape(serialize($cur_moderators)).'\'' : 'NULL';

                $db->query('UPDATE '.$db->prefix.'forums SET moderators='.$cur_moderators.' WHERE id='.$cur_forum['id']) or error('Unable to update forum', __FILE__, __LINE__, $db->error());
            }
        }
    }

    redirect('profile.php?section=admin&id='.$id, $lang_profile['Group membership redirect']);
}


else if (isset($_POST['update_forums']))
{
    if ($pun_user['g_id'] > PUN_ADMIN)
        message($lang_common['No permission']);

    confirm_referrer('profile.php');

    // Get the username of the user we are processing
    $result = $db->query('SELECT username FROM '.$db->prefix.'users WHERE id='.$id) or error('Unable to fetch user info', __FILE__, __LINE__, $db->error());
    $username = $db->result($result);

    $moderator_in = (isset($_POST['moderator_in'])) ? array_keys($_POST['moderator_in']) : array();

    // Loop through all forums
    $result = $db->query('SELECT id, moderators FROM '.$db->prefix.'forums') or error('Unable to fetch forum list', __FILE__, __LINE__, $db->error());

    while ($cur_forum = $db->fetch_assoc($result))
    {
        $cur_moderators = ($cur_forum['moderators'] != '') ? unserialize($cur_forum['moderators']) : array();
        // If the user should have moderator access (and he/she doesn't already have it)
        if (in_array($cur_forum['id'], $moderator_in) && !in_array($id, $cur_moderators))
        {
            $cur_moderators[$username] = $id;
            ksort($cur_moderators);

            $db->query('UPDATE '.$db->prefix.'forums SET moderators=\''.$db->escape(serialize($cur_moderators)).'\' WHERE id='.$cur_forum['id']) or error('Unable to update forum', __FILE__, __LINE__, $db->error());
        }
        // If the user shouldn't have moderator access (and he/she already has it)
        else if (!in_array($cur_forum['id'], $moderator_in) && in_array($id, $cur_moderators))
        {
            unset($cur_moderators[$username]);
            $cur_moderators = (!empty($cur_moderators)) ? '\''.$db->escape(serialize($cur_moderators)).'\'' : 'NULL';

            $db->query('UPDATE '.$db->prefix.'forums SET moderators='.$cur_moderators.' WHERE id='.$cur_forum['id']) or error('Unable to update forum', __FILE__, __LINE__, $db->error());
        }
    }

    redirect('profile.php?section=admin&id='.$id, $lang_profile['Update forums redirect']);
}


else if (isset($_POST['ban']))
{
    if ($pun_user['g_id'] > PUN_MOD || ($pun_user['g_id'] == PUN_MOD && $pun_config['p_mod_ban_users'] == '0'))
        message($lang_common['No permission']);

    redirect('admin_bans.php?add_ban='.$id, $lang_profile['Ban redirect']);
}


else if (isset($_POST['delete_user']) || isset($_POST['delete_user_comply']))
{
    if ($pun_user['g_id'] > PUN_ADMIN)
        message($lang_common['No permission']);

    confirm_referrer('profile.php');

    // Get the username and group of the user we are deleting
    $result = $db->query('SELECT group_id, username FROM '.$db->prefix.'users WHERE id='.$id) or error('Unable to fetch user info', __FILE__, __LINE__, $db->error());
    list($group_id, $username) = $db->fetch_row($result);

    if ($group_id == PUN_ADMIN)
        message('Administrators cannot be deleted. In order to delete this user, you must first move him/her to a different user group.');

    if (isset($_POST['delete_user_comply']))
    {
        // If the user is a moderator or an administrator, we remove him/her from the moderator list in all forums as well
        if ($group_id < PUN_GUEST)
        {
            $result = $db->query('SELECT id, moderators FROM '.$db->prefix.'forums') or error('Unable to fetch forum list', __FILE__, __LINE__, $db->error());

            while ($cur_forum = $db->fetch_assoc($result))
            {
                $cur_moderators = ($cur_forum['moderators'] != '') ? unserialize($cur_forum['moderators']) : array();

                if (in_array($id, $cur_moderators))
                {
                    unset($cur_moderators[$username]);
                    $cur_moderators = (!empty($cur_moderators)) ? '\''.$db->escape(serialize($cur_moderators)).'\'' : 'NULL';

                    $db->query('UPDATE '.$db->prefix.'forums SET moderators='.$cur_moderators.' WHERE id='.$cur_forum['id']) or error('Unable to update forum', __FILE__, __LINE__, $db->error());
                }
            }
        }

        // Delete any subscriptions
        $db->query('DELETE FROM '.$db->prefix.'subscriptions WHERE user_id='.$id) or error('Unable to delete subscriptions', __FILE__, __LINE__, $db->error());

        // Remove him/her from the online list (if they happen to be logged in)
        $db->query('DELETE FROM '.$db->prefix.'online WHERE user_id='.$id) or error('Unable to remove user from online list', __FILE__, __LINE__, $db->error());

        // Should we delete all posts made by this user?
        if (isset($_POST['delete_posts']))
        {
            require PUN_ROOT.'include/search_idx.php';
            @set_time_limit(0);

            // Find all posts made by this user
            $result = $db->query('SELECT p.id, p.topic_id, t.forum_id FROM '.$db->prefix.'posts AS p INNER JOIN '.$db->prefix.'topics AS t ON t.id=p.topic_id INNER JOIN '.$db->prefix.'forums AS f ON f.id=t.forum_id WHERE p.poster_id='.$id) or error('Unable to fetch posts', __FILE__, __LINE__, $db->error());
            if ($db->num_rows($result))
            {
                while ($cur_post = $db->fetch_assoc($result))
                {
                    // Determine whether this post is the "topic post" or not
                    $result2 = $db->query('SELECT id FROM '.$db->prefix.'posts WHERE topic_id='.$cur_post['topic_id'].' ORDER BY posted LIMIT 1') or error('Unable to fetch post info', __FILE__, __LINE__, $db->error());

                    if ($db->result($result2) == $cur_post['id'])
                        delete_topic($cur_post['topic_id']);
                    else
                        delete_post($cur_post['id'], $cur_post['topic_id']);

                    update_forum($cur_post['forum_id']);
                }
            }
        }
        else
            // Set all his/her posts to guest
            $db->query('UPDATE '.$db->prefix.'posts SET poster_id=1 WHERE poster_id='.$id) or error('Unable to update posts', __FILE__, __LINE__, $db->error());

        // Delete the user
        $db->query('DELETE FROM '.$db->prefix.'users WHERE id='.$id) or error('Unable to delete user', __FILE__, __LINE__, $db->error());

        redirect('index.php', $lang_profile['User delete redirect']);
    }

    $page_title = pun_htmlspecialchars($pun_config['o_board_title']).' / '.$lang_common['Profile'];
    require PUN_ROOT.'header.php';

?>
<div class="blockform">
    <h2><span><?php echo $lang_profile['Confirm delete user'] ?></span></h2>
    <div class="box">
        <form id="confirm_del_user" method="post" action="profile.php?id=<?php echo $id ?>">
            <div class="inform">
                <fieldset>
                    <legend><?php echo $lang_profile['Confirm delete legend'] ?></legend>
                    <div class="infldset">
                        <p><?php echo $lang_profile['Confirmation info'].' '.pun_htmlspecialchars($username).'.' ?></p>
                        <div class="rbox">
                            <label><input type="checkbox" name="delete_posts" value="1" checked="checked" /><?php echo $lang_profile['Delete posts'] ?><br /></label>
                        </div>
                        <p class="warntext"><strong><?php echo $lang_profile['Delete warning'] ?></strong></p>
                    </div>
                </fieldset>
            </div>
            <p><input type="submit" name="delete_user_comply" value="<?php echo $lang_profile['Delete'] ?>" /><a href="javascript:history.go(-1)"><?php echo $lang_common['Go back'] ?></a></p>
        </form>
    </div>
</div>
<?php

    require PUN_ROOT.'footer.php';
}


else if (isset($_POST['form_sent']))
{
    // Fetch the user group of the user we are editing
    $result = $db->query('SELECT group_id FROM '.$db->prefix.'users WHERE id='.$id) or error('Unable to fetch user info', __FILE__, __LINE__, $db->error());
    if (!$db->num_rows($result))
        message($lang_common['Bad request']);

    $group_id = $db->result($result);

    if ($pun_user['id'] != $id &&
        ($pun_user['g_id'] > PUN_MOD ||
        ($pun_user['g_id'] == PUN_MOD && $pun_config['p_mod_edit_users'] == '0') ||
        ($pun_user['g_id'] == PUN_MOD && $group_id < PUN_GUEST)))
        message($lang_common['No permission']);

    if ($pun_user['g_id'] < PUN_GUEST)
        confirm_referrer('profile.php');

    // Extract allowed elements from $_POST['form']
    function extract_elements($allowed_elements)
    {
        $form = array();

        while (list($key, $value) = @each($_POST['form']))
        {
            if (in_array($key, $allowed_elements))
                $form[$key] = $value;
        }

        return $form;
    }

    $username_updated = false;

    // Validate input depending on section
    switch ($section)
    {
        case 'essentials':
        {
            $form = extract_elements(array('timezone', 'language'));

            if ($pun_user['g_id'] < PUN_GUEST)
            {
                $form['admin_note'] = trim($_POST['admin_note']);

                // Are we allowed to change usernames?
                if ($pun_user['g_id'] == PUN_ADMIN || ($pun_user['g_id'] == PUN_MOD && $pun_config['p_mod_rename_users'] == '1'))
                {
                    $form['username'] = trim($_POST['req_username']);
                    $old_username = trim($_POST['old_username']);

                    if (strlen($form['username']) < 2)
                        message($lang_prof_reg['Username too short']);
                    else if (pun_strlen($form['username']) > 25)    // This usually doesn't happen since the form element only accepts 25 characters
                        message($lang_common['Bad request']);
                    else if (!strcasecmp($form['username'], 'Guest') || !strcasecmp($form['username'], $lang_common['Guest']))
                        message($lang_prof_reg['Username guest']);
                    else if (preg_match('/[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}/', $form['username']))
                        message($lang_prof_reg['Username IP']);
                    else if (preg_match('#\[b\]|\[/b\]|\[u\]|\[/u\]|\[i\]|\[/i\]|\[color|\[/color\]|\[quote\]|\[quote=|\[/quote\]|\[code\]|\[/code\]|\[img\]|\[/img\]|\[url|\[/url\]|\[email|\[/email\]#i', $form['username']))
                        message($lang_prof_reg['Username BBCode']);

                    // Check that the username is not already registered
                    $result = $db->query('SELECT 1 FROM '.$db->prefix.'users WHERE username=\''.$db->escape($form['username']).'\' AND id!='.$id) or error('Unable to fetch user info', __FILE__, __LINE__, $db->error());
                    if ($db->num_rows($result))
                        message($lang_profile['Dupe username']);

                    if ($form['username'] != $old_username)
                        $username_updated = true;
                }

                // We only allow administrators to update the post count
                if ($pun_user['g_id'] == PUN_ADMIN)
                    $form['num_posts'] = intval($_POST['num_posts']);
            }

            if ($pun_config['o_regs_verify'] == '0' || $pun_user['g_id'] < PUN_GUEST)
            {
                require PUN_ROOT.'include/email.php';

                // Validate the email-address
                $form['email'] = strtolower(trim($_POST['req_email']));
                if (!is_valid_email($form['email']))
                    message($lang_common['Invalid e-mail']);
            }

            // Make sure we got a valid language string
            if (isset($form['language']))
            {
                $form['language'] = preg_replace('#[\.\\\/]#', '', $form['language']);
                if (!file_exists(PUN_ROOT.'lang/'.$form['language'].'/common.php'))
                        message($lang_common['Bad request']);
            }

            break;
        }

        case 'personal':
        {
            $form = extract_elements(array('realname', 'url', 'location'));

            if ($pun_user['g_id'] == PUN_ADMIN)
                $form['title'] = trim($_POST['title']);
            else if ($pun_user['g_set_title'] == '1')
            {
                $form['title'] = trim($_POST['title']);

                if ($form['title'] != '')
                {
                    // A list of words that the title may not contain
                    // If the language is English, there will be some duplicates, but it's not the end of the world
                    $forbidden = array('Member', 'Moderator', 'Administrator', 'Banned', 'Guest', $lang_common['Member'], $lang_common['Moderator'], $lang_common['Administrator'], $lang_common['Banned'], $lang_common['Guest']);

                    if (in_array($form['title'], $forbidden))
                        message($lang_profile['Forbidden title']);
                }
            }

            // Add http:// if the URL doesn't contain it already
            if ($form['url'] != '' && !stristr($form['url'], 'http://'))
                $form['url'] = 'http://'.$form['url'];

            break;
        }

        case 'messaging':
        {
            $form = extract_elements(array('jabber', 'icq', 'msn', 'aim', 'yahoo'));

            // If the ICQ UIN contains anything other than digits it's invalid
            if ($form['icq'] != '' && preg_match('/[^0-9]/', $form['icq']))
                message($lang_prof_reg['Bad ICQ']);

            break;
        }

        case 'personality':
        {
            $form = extract_elements(array('use_avatar'));

            // Clean up signature from POST
            $form['signature'] = pun_linebreaks(trim($_POST['signature']));

            // Validate signature
            if (pun_strlen($form['signature']) > $pun_config['p_sig_length'])
                message($lang_prof_reg['Sig too long'].' '.$pun_config['p_sig_length'].' '.$lang_prof_reg['characters'].'.');
            else if (substr_count($form['signature'], "\n") > ($pun_config['p_sig_lines']-1))
                message($lang_prof_reg['Sig too many lines'].' '.$pun_config['p_sig_lines'].' '.$lang_prof_reg['lines'].'.');
            else if ($form['signature'] && $pun_config['p_sig_all_caps'] == '0' && strtoupper($form['signature']) == $form['signature'] && $pun_user['g_id'] > PUN_MOD)
                $form['signature'] = ucwords(strtolower($form['signature']));

            // Validate BBCode syntax
            if ($pun_config['p_sig_bbcode'] == '1' && strpos($form['signature'], '[') !== false && strpos($form['signature'], ']') !== false)
            {
                require PUN_ROOT.'include/parser.php';
                $form['signature'] = preparse_bbcode($form['signature'], $foo, true);
            }

            if (!isset($form['use_avatar']) || $form['use_avatar'] != '1') $form['use_avatar'] = '0';

            break;
        }

        case 'display':
        {
            $form = extract_elements(array('disp_topics', 'disp_posts', 'show_smilies', 'show_img', 'show_img_sig', 'show_avatars', 'show_sig', 'style'));

            if ($form['disp_topics'] != '' && intval($form['disp_topics']) < 3) $form['disp_topics'] = 3;
            if ($form['disp_topics'] != '' && intval($form['disp_topics']) > 75) $form['disp_topics'] = 75;
            if ($form['disp_posts'] != '' && intval($form['disp_posts']) < 3) $form['disp_posts'] = 3;
            if ($form['disp_posts'] != '' && intval($form['disp_posts']) > 75) $form['disp_posts'] = 75;

            if (!isset($form['show_smilies']) || $form['show_smilies'] != '1') $form['show_smilies'] = '0';
            if (!isset($form['show_img']) || $form['show_img'] != '1') $form['show_img'] = '0';
            if (!isset($form['show_img_sig']) || $form['show_img_sig'] != '1') $form['show_img_sig'] = '0';
            if (!isset($form['show_avatars']) || $form['show_avatars'] != '1') $form['show_avatars'] = '0';
            if (!isset($form['show_sig']) || $form['show_sig'] != '1') $form['show_sig'] = '0';

            break;
        }

        case 'privacy':
        {
            $form = extract_elements(array('email_setting', 'save_pass', 'notify_with_post'));

            $form['email_setting'] = intval($form['email_setting']);
            if ($form['email_setting'] < 0 && $form['email_setting'] > 2) $form['email_setting'] = 1;

            if (!isset($form['save_pass']) || $form['save_pass'] != '1') $form['save_pass'] = '0';
            if (!isset($form['notify_with_post']) || $form['notify_with_post'] != '1') $form['notify_with_post'] = '0';

            // If the save_pass setting has changed, we need to set a new cookie with the appropriate expire date
            if ($pun_user['id'] == $id && $form['save_pass'] != $pun_user['save_pass'])
            {
                $result = $db->query('SELECT password FROM '.$db->prefix.'users WHERE id='.$id) or error('Unable to fetch user password hash', __FILE__, __LINE__, $db->error());
                pun_setcookie($id, $db->result($result), ($form['save_pass'] == '1') ? time() + 31536000 : 0);
            }

            break;
        }

        default:
            message($lang_common['Bad request']);
    }


    // Singlequotes around non-empty values and NULL for empty values
    $temp = array();
    while (list($key, $input) = @each($form))
    {
        $value = ($input !== '') ? '\''.$db->escape($input).'\'' : 'NULL';

        $temp[] = $key.'='.$value;
    }

    if (empty($temp))
        message($lang_common['Bad request']);


    $db->query('UPDATE '.$db->prefix.'users SET '.implode(',', $temp).' WHERE id='.$id) or error('Unable to update profile', __FILE__, __LINE__, $db->error());

    // If we changed the username we have to update some stuff
    if ($username_updated)
    {
        $db->query('UPDATE '.$db->prefix.'posts SET poster=\''.$db->escape($form['username']).'\' WHERE poster_id='.$id) or error('Unable to update posts', __FILE__, __LINE__, $db->error());
        $db->query('UPDATE '.$db->prefix.'topics SET poster=\''.$db->escape($form['username']).'\' WHERE poster=\''.$db->escape($old_username).'\'') or error('Unable to update topics', __FILE__, __LINE__, $db->error());
        $db->query('UPDATE '.$db->prefix.'topics SET last_poster=\''.$db->escape($form['username']).'\' WHERE last_poster=\''.$db->escape($old_username).'\'') or error('Unable to update topics', __FILE__, __LINE__, $db->error());
        $db->query('UPDATE '.$db->prefix.'forums SET last_poster=\''.$db->escape($form['username']).'\' WHERE last_poster=\''.$db->escape($old_username).'\'') or error('Unable to update forums', __FILE__, __LINE__, $db->error());
        $db->query('UPDATE '.$db->prefix.'online SET ident=\''.$db->escape($form['username']).'\' WHERE ident=\''.$db->escape($old_username).'\'') or error('Unable to update online list', __FILE__, __LINE__, $db->error());

        // If the user is a moderator or an administrator we have to update the moderator lists
        $result = $db->query('SELECT group_id FROM '.$db->prefix.'users WHERE id='.$id) or error('Unable to fetch user info', __FILE__, __LINE__, $db->error());
        $group_id = $db->result($result);

        if ($group_id < PUN_GUEST)
        {
            $result = $db->query('SELECT id, moderators FROM '.$db->prefix.'forums') or error('Unable to fetch forum list', __FILE__, __LINE__, $db->error());

            while ($cur_forum = $db->fetch_assoc($result))
            {
                $cur_moderators = ($cur_forum['moderators'] != '') ? unserialize($cur_forum['moderators']) : array();

                if (in_array($id, $cur_moderators))
                {
                    unset($cur_moderators[$old_username]);
                    $cur_moderators[$form['username']] = $id;
                    ksort($cur_moderators);

                    $db->query('UPDATE '.$db->prefix.'forums SET moderators=\''.$db->escape(serialize($cur_moderators)).'\' WHERE id='.$cur_forum['id']) or error('Unable to update forum', __FILE__, __LINE__, $db->error());
                }
            }
        }
    }

    redirect('profile.php?section='.$section.'&id='.$id, $lang_profile['Profile redirect']);
}
//die('SELECT u.username, u.email, u.title, u.realname, u.url, u.jabber, u.icq, u.msn, u.aim, u.yahoo, u.location, u.use_avatar, u.signature, u.disp_topics, u.disp_posts, u.email_setting, u.save_pass, u.notify_with_post, u.show_smilies, u.show_img, u.show_img_sig, u.show_avatars, u.show_sig, u.timezone, u.language, u.style, u.num_posts, u.last_post, u.registered, u.registration_ip, u.admin_note, g.g_id, g.g_user_title FROM '.$db->prefix.'users AS u LEFT JOIN '.$db->prefix.'groups AS g ON g.g_id=u.group_id WHERE u.id='.$id);
$result = $db->query('SELECT u.username, u.email, u.title, u.realname, u.url, u.jabber, u.icq, u.msn, u.aim, u.yahoo, u.location, u.use_avatar, u.signature, u.disp_topics, u.disp_posts, u.email_setting, u.save_pass, u.notify_with_post, u.show_smilies, u.show_img, u.show_img_sig, u.show_avatars, u.show_sig, u.timezone, u.language, u.style, u.num_posts, u.last_post, u.registered, u.registration_ip, u.admin_note, g.g_id, g.g_user_title FROM '.$db->prefix.'users AS u LEFT JOIN '.$db->prefix.'groups AS g ON g.g_id=u.group_id WHERE u.id='.$id) or error('Unable to fetch user info', __FILE__, __LINE__, $db->error());

if (!$db->num_rows($result))
    message($lang_common['Bad request']);

$user = $db->fetch_assoc($result);

$last_post = format_time($user['last_post']);

if ($user['signature'] != '')
{
    require PUN_ROOT.'include/parser.php';
    $parsed_signature = parse_signature($user['signature']);
}