<?php
/**
 * Quicksilver Forums
 * Copyright (c) 2005-2011 The Quicksilver Forums Development Team
 *  http://code.google.com/p/quicksilverforums/
 * 
 * Based on MercuryBoard
 * Copyright (c) 2001-2005 The Mercury Development Team
 *  http://www.mercuryboard.com/
 *
 * This program 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.
 *
 * 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 more details.
 *
 **/

if (!defined('QUICKSILVERFORUMS')) {
	header('HTTP/1.0 403 Forbidden');
	die;
}

require_once $set['include_path'] . '/global.php';

/**
 * Form to email a member
 *
 * @author Jason Warner <hide@address.com>
 * @since RC1
 **/
class email extends qsfglobal
{
	/**
	 * Form to email a member
	 *
	 * @author Jason Warner <hide@address.com>
	 * @since RC1
	 **/
	function execute()
	{
		if (!$this->perms->auth('board_view')) {
			$this->lang->board();
			return $this->message(
				sprintf($this->lang->board_message, $this->sets['forum_name']),
				($this->perms->is_guest) ? sprintf($this->lang->board_regfirst, $this->self) : $this->lang->board_noview
			);
		}

		$this->set_title($this->lang->email_email);
		$this->tree($this->lang->email_email);

		if (!$this->perms->auth('email_use')) {
			return $this->message($this->lang->email_email, $this->lang->email_no_perm);
		}

		if (!isset($this->post['submit'])) {
			$this->get['to'] = isset($this->get['to']) ? intval($this->get['to']) : '';

			if ($this->get['to']) {
				$target = $this->db->fetch("SELECT user_name FROM %pusers WHERE user_id=%d", $this->get['to']);

				if (!isset($target['user_name']) || ($this->get['to'] == USER_GUEST_UID)) {
					return $this->message($this->lang->email_email, $this->lang->email_no_member);
				}

				$this->get['to'] = $target['user_name'];
			}

			return eval($this->template('EMAIL_MAIN'));
		} else {
			if (empty($this->post['to']) || empty($this->post['message']) || empty($this->post['subject'])) {
				return $this->message($this->lang->email_email, $this->lang->email_no_fields);
			}

			$target = $this->db->fetch("SELECT user_id, user_email, user_email_form FROM %pusers
				WHERE user_name='%s'", $this->post['to']);

			if (!$target['user_email_form']) {
				return $this->message($this->lang->email_email, $this->lang->email_blocked);
			}

			if (!isset($target['user_id']) || ($target['user_id'] == USER_GUEST_UID)) {
				return $this->message($this->lang->email_email, $this->lang->email_no_member);
			}

			// I'm not sure if the anti-spam code needs to use the escaped strings or not, so I'll feed them whatever the spammer fed me.
			if( !empty($this->sets['wordpress_api_key']) && $this->sets['akismet_email'] ) {
				require_once $this->sets['include_path'] . '/lib/akismet.php';

				$spam_checked = false;
				$akismet = null;

				try {
					$akismet = new Akismet($this->sets['loc_of_board'], $this->sets['wordpress_api_key'], $this->version);
					$akismet->setCommentAuthor($this->user['user_name']);
					$akismet->setCommentAuthorEmail($this->user['user_email']);
					$akismet->setCommentContent($this->post['message']);
					$akismet->setCommentType('QSF Email');

					$spam_checked = true;
				}
				// Try and deal with it rather than say something.
				catch(Exception $e) {}

				if( $spam_checked && $akismet != null && $akismet->isCommentSpam() ) {
					$this->log_action('Spam Email Caught', 0, 0, 0);

					$this->sets['spam_email_count']++;
					$this->write_sets();

					return $this->message( $this->lang->email_email, $this->lang->email_akismet_email_spam );
				}
			}

			$mailer = new $this->modules['mailer']($this->sets['admin_incoming'], $this->sets['admin_outgoing'], $this->sets['forum_name'], false);

			$mailer->setSubject("{$this->sets['forum_name']} - {$this->post['subject']}");
			$mailer->setMessage("This mail has been sent by {$this->user['user_name']} via {$this->sets['forum_name']}\n\n" . $this->post['message']);
			$mailer->setRecipient($target['user_email']);
			$mailer->setServer($this->sets['mailserver']);
			$mailer->setHeader('User-IP: ' . $this->ip );

			$mailer->doSend();

			return $this->message($this->lang->email_email, $this->lang->email_sent);
		}
	}
}
?>