Opinions: Download modification (Page 1 of 2)

<?php
define('PUN_ROOT', './');
define('PUN_QUIET_VISIT', 1);
require PUN_ROOT.'include/common.php';
$page_title = pun_htmlspecialchars($pun_config['o_board_title']).'contact form';
define('PUN_ALLOW_INDEX', 1);
require PUN_ROOT.'include/email.php';
require PUN_ROOT.'include/parser.php';

$checkrbl = '1';

if ($checkrbl == '0')
{
    $rblserver = array();
    $rblserver[] = 'sbl-xbl.spamhaus.org';

    $fip = get_remote_address();
    $rip = implode('.', array_reverse(explode('.', $fip)));

    foreach ($rblserver as $xrbl)
    {
        $rblcheck = $rip.'.'.$xrbl;

        if ($rblcheck != gethostbyname($rblcheck))
        {
            require_once PUN_ROOT.'header.php';
            message("Your I.P address: ($fip) is blocked due to it being listed
                in the following database: <br/><br/>[ $xrbl ]<br/><br/>");
            require PUN_ROOT.'footer.php';
        }
    }
}
else if ($_POST['form_sent'] == 1)
{

    if (trim($_POST['name']) == '')
    {
        require_once PUN_ROOT.'header.php';
        message("You must enter your name.");
    }

    $email = strtolower(trim($_POST['email']));
    $cemail = strtolower(trim($_POST['cemail']));

    if ($email == '')
    {
        require_once PUN_ROOT.'header.php';
        message("You must enter your e-mail address.");
    }
    else if (!is_valid_email($email))
    {
        require_once PUN_ROOT.'header.php';
        message("The e-mail address syntax entered is invalid.");
    }
    else if ($email != $cemail)
    {
        require_once PUN_ROOT.'header.php';
        message("The e-mail addresses you entered do not match.");
    }

    if (trim($_POST['subject']) == '')
    {
        require_once PUN_ROOT.'header.php';
        message("You must enter a subject.");
    }

    if (trim($_POST['message']) == '')
    {
        require_once PUN_ROOT.'header.php';
        message("You must enter a message.");
    }

    session_start();
    if (isset($_POST['req_image']) && trim(strtolower($_POST['req_image'])) != '' && trim(strtolower($_POST['req_image'])) == $_SESSION['text'])
    {
        session_unset();
        session_destroy();
    }
    else
    {
        session_unset();
        session_destroy();
        require_once PUN_ROOT.'header.php';
        message("Image and text mismatch.");
    }

    $sender = trim(preg_replace('#[\n\r:]+#s', '', $_POST['name'].' <'.$email.'>'));
    $recipient = 'Forum Admin <'.$pun_config['o_admin_email'].'>';
    $subject = '[ Admin Contact Form ] '.trim(preg_replace('#[\n\r]+#s', '', $_POST['subject']));
    $message = str_replace(array("\n", "\0"), array("\r\n", ''), pun_linebreaks($_POST['message']));
    $headers = 'From: '.$sender."\r\n".'Date: '.date('r')."\r\n".'MIME-Version: 1.0'."\r\n".'Content-transfer-encoding: 8bit'."\r\n".'Content-type: text/plain; charset='.$lang_common['lang_encoding']."\r\n";

    if ($pun_config['o_smtp_host'] != '')
    {
        smtp_mail($recipient, $subject, $message, $headers);
    }
    else
    {
        mail($recipient, $subject, $message, $headers);
    }

    require PUN_ROOT.'header.php';
?>
<div class="block">
    <h2><span>Contact <?php echo $pun_config['o_board_title']; ?></span></h2>
    <div class="box">
        <div class="inbox">
            <b>The following information has been submitted to the forum admin:<br/><br/>
            <label>Your name: <?php echo $_POST['name']; ?><br/></label>
            <label>Your e-mail address: <?php echo $email; ?><br/></label>
            <label>Subject: <?php echo $_POST['subject']; ?><br/></label>
            <label>Message:<br/> <?php echo $_POST['message']; ?><br/></label>
        </div>
    </div>
    <p><a href="<?php echo $pun_config['o_base_url'].'/index.php' ?>">Return to forums index</a></p>
</div>
<?php

}
else
{ 

?>
<div class="blockform">
    <h2><span>Contact <?php echo $pun_config['o_board_title']; ?></span></h2>
    <div class="box">
        <form id="contact" method="post" action="<?php echo $pun_config['o_base_url'] ?>/contact.php">
            <div class="inform">
            <fieldset>
                <legend>Enter your contact details</legend>
                <div class="infldset">
                    Please enter your information and message.<br/>
                    [ Please note: All of the following fields are required. ]<br/>
                    <input type="hidden" name="form_sent" value="1"/><br/>
                    <label>Your name:<br/><input type="text" name="name" value="" size="40" maxlength="40"/><br/></label>
                    <label>Your e-mail address:<br/><input type="text" name="email" value="" size="40" maxlength="50"/><br/></label>
                    <label>Confirm your e-mail address:<br/><input type="text" name="cemail" value="" size="40" maxlength="50"/><br/></label>
                    <label>Subject:<br/><input type="text" name="subject" value="" size="40" maxlength="50"/><br/></label>
                    <label>Message:<br/><textarea name="message" rows="5" cols="38"></textarea><br/></label>
                </div>
            </fieldset>
            </div>
            <div class="inform">
            <fieldset>
                <legend>Image Verification Text</legend>
                <div class="infldset">
                    <img src="./ran.php" alt="verification text image"/><br/>
                    <label><strong>Text Image</strong>
                    <br/><input type="text" name="req_image" size="16" maxlength="16"/><br/></label>
                    <p class="clearb">Enter the text from the image into the box above</p>
                </div>
            </fieldset>
            </div>
            <p><input type="submit" name="update" value="Submit"/></p>
            </div>
        </form>
    </div>
</div>
<?php
}
require PUN_ROOT.'footer.php';
?>