<?php
if ($_SERVER["REQUEST_METHOD"] != "POST") {
    header('Allow: POST');
	header("HTTP/1.1 405 Method Not Allowed");
	header("Content-type: text/plain");
    exit;
}

$k2_db_check = true;

function kill_data() {
	return '';
}

function check_db() {
	global $wpdb, $k2_db_check;

	if($k2_db_check) {
		// Check DB
		if(!$wpdb->dbh) {
			echo('Our database has issues. Try again later.');
		} else {
			echo('We\'re currently having site problems. Try again later.');
		}

		die();
	}
}

ob_start('kill_data');
register_shutdown_function('check_db');

// Check for CGI Mode
if ( 'cgi' == substr( php_sapi_name(), 0, 3 ) ):
	require_once( preg_replace( '/wp-content.*/', '', __FILE__ ) . 'wp-config.php' );
else:
	require_once( preg_replace( '/wp-content.*/', '', $_SERVER['SCRIPT_FILENAME'] ) . 'wp-config.php' );
endif;

$k2_db_check = false;
ob_end_clean();

nocache_headers();

function fail($s) {
	header('HTTP/1.0 500 Internal Server Error');
	echo $s;
	exit;
}

$comment_post_ID = (int) $_POST['comment_post_ID'];

$status = $wpdb->get_row("SELECT post_status, comment_status FROM $wpdb->posts WHERE ID = '$comment_post_ID'");

if ( empty($status->comment_status) ) {
	do_action('comment_id_not_found', $comment_post_ID);
	fail( __('The post you are trying to comment on does not currently exist in the database.','k2_domain') );
} elseif ( 'closed' ==  $status->comment_status ) {
	do_action('comment_closed', $comment_post_ID);
	fail( __('Sorry, comments are closed for this item.','k2_domain') );
} elseif ( in_array($status->post_status, array('draft', 'pending') ) ) {
	do_action('comment_on_draft', $comment_post_ID);
	fail( __('The post you are trying to comment on has not been published.','k2_domain') );
}

$comment_author       = trim(strip_tags($_POST['author']));
$comment_author_email = trim($_POST['email']);
$comment_author_url   = trim($_POST['url']);
$comment_content      = trim($_POST['comment']);

// If the user is logged in
$user = wp_get_current_user();
if ( $user->ID ) {
	$comment_author       = $wpdb->escape($user->display_name);
	$comment_author_email = $wpdb->escape($user->user_email);
	$comment_author_url   = $wpdb->escape($user->user_url);
	if ( current_user_can('unfiltered_html') ) {
		if ( wp_create_nonce('unfiltered-html-comment_' . $comment_post_ID) != $_POST['_wp_unfiltered_html_comment'] ) {
			kses_remove_filters(); // start with a clean slate
			kses_init_filters(); // set up the filters
		}
	}
} else {
	if ( get_option('comment_registration') )
		fail( __('Sorry, you must be logged in to post a comment.','k2_domain') );
}

$comment_type = '';

if ( get_option('require_name_email') && !$user->ID ) {
	if ( 6 > strlen($comment_author_email) || '' == $comment_author )
		fail( __('Error: please fill the required fields (name, email).','k2_domain') );
	elseif ( !is_email($comment_author_email))
		fail( __('Error: please enter a valid email address.','k2_domain') );
}

if ( '' == $comment_content )
	fail( __('Error: please type a comment.','k2_domain') );


// Simple duplicate check
$dupe = "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND ( comment_author = '$comment_author' ";
if ( $comment_author_email ) $dupe .= "OR comment_author_email = '$comment_author_email' ";
$dupe .= ") AND comment_content = '$comment_content' LIMIT 1";
if ( $wpdb->get_var($dupe) ) {
	fail( __('Duplicate comment detected; it looks as though you\'ve already said that!','k2_domain') );
}


$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'user_ID');

$comment_id = wp_new_comment( $commentdata );

$comment = get_comment($comment_id);
if ( !$user->ID ) {
	setcookie('comment_author_' . COOKIEHASH, $comment->comment_author, time() + 30000000, COOKIEPATH, COOKIE_DOMAIN);
	setcookie('comment_author_email_' . COOKIEHASH, $comment->comment_author_email, time() + 30000000, COOKIEPATH, COOKIE_DOMAIN);
	setcookie('comment_author_url_' . COOKIEHASH, clean_url($comment->comment_author_url), time() + 30000000, COOKIEPATH, COOKIE_DOMAIN);
}

@header('Content-type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));

$comment->comment_type = 'comment';
$index = $_POST['comment_count'];
?>

<li id="comment-<?php comment_ID(); ?>" class="<?php k2_comment_class( ++$index ); ?>">

<?php if ( function_exists('get_avatar') and get_option('show_avatars') ): ?>
	<span class="gravatar">
		<?php echo get_avatar( $comment, 32, get_bloginfo('template_url') . '/images/defaultgravatar.jpg' ); ?>
	</span>
<?php elseif ( function_exists('gravatar_image_link') ): gravatar_image_link(); ?>
<?php elseif ( function_exists('gravatar') ): ?>
	<a href="http://www.gravatar.com/" title="<?php _e('What is this?','k2_domain'); ?>">
		<img src="<?php gravatar('X', 32, get_bloginfo('template_url') . '/images/defaultgravatar.jpg' ); ?>" class="gravatar" alt="<?php _e('Gravatar Icon','k2_domain'); ?>" />
	</a>
<?php endif; ?>

	<a href="#comment-<?php comment_ID(); ?>" class="counter" title="<?php _e('Permanent Link to this Comment','k2_domain'); ?>"><?php echo $index; ?></a>
	<span class="commentauthor"><?php comment_author_link(); ?></span>

	<div class="comment-meta">
		<a href="#comment-<?php comment_ID(); ?>" title="<?php if (function_exists('time_since')): sprintf(__('%s ago.','k2_domain'), time_since(abs(strtotime($comment->comment_date_gmt . " GMT")), time())); else: _e('Permanent Link to this Comment','k2_domain'); endif; ?>"><?php printf( __('%1$s at %2$s','k2_domain'), get_comment_date(), get_comment_time() ); ?></a>

	<?php if ( function_exists('quoter_comment') ): quoter_comment(); endif; ?>
	<?php if ( function_exists('jal_edit_comment_link') ): jal_edit_comment_link(__('Edit','k2_domain'), '<span class="comment-edit">','</span>', '<em>(Editing)</em>'); else: edit_comment_link(__('Edit','k2_domain'), '<span class="comment-edit">', '</span>'); endif; ?>
	</div><!-- .comment-meta -->

	<div class="comment-content">
		<?php comment_text(); ?> 
	</div><!-- .comment-content -->

	<?php if ( ! $comment->comment_approved ): ?>
		<p class="comment-moderation alert">
			<strong><?php _e('Your comment is awaiting moderation.','k2_domain'); ?></strong>
		</p>
	<?php endif; ?>
</li>