5 files changed, 943 insertions, 0 deletions
diff --git a/phpBB/phpbb/message/admin_form.php b/phpBB/phpbb/message/admin_form.php
new file mode 100644
index 0000000000..96b8d3499e
--- /dev/null
+++ b/phpBB/phpbb/message/admin_form.php
@@ -0,0 +1,192 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\message;
+
+/**
+* Class admin_form
+* Displays a message to the user and allows him to send an email
+*/
+class admin_form extends form
+{
+	/** @var \phpbb\config\db_text */
+	protected $config_text;
+
+	/** @var string */
+	protected $subject;
+	/** @var string */
+	protected $sender_name;
+	/** @var string */
+	protected $sender_address;
+
+	/**
+	* Construct
+	*
+	* @param \phpbb\auth\auth $auth
+	* @param \phpbb\config\config $config
+	* @param \phpbb\config\db_text $config_text
+	* @param \phpbb\db\driver\driver_interface $db
+	* @param \phpbb\user $user
+	* @param string $phpbb_root_path
+	* @param string $phpEx
+	*/
+	public function __construct(\phpbb\auth\auth $auth, \phpbb\config\config $config, \phpbb\config\db_text $config_text, \phpbb\db\driver\driver_interface $db, \phpbb\user $user, $phpbb_root_path, $phpEx)
+	{
+		parent::__construct($auth, $config, $db, $user, $phpbb_root_path, $phpEx);
+		$this->config_text = $config_text;
+	}
+
+	/**
+	* {inheritDoc}
+	*/
+	public function check_allow()
+	{
+		$error = parent::check_allow();
+		if ($error)
+		{
+			return $error;
+		}
+
+		if (!$this->config['contact_admin_form_enable'])
+		{
+			return 'NO_CONTACT_PAGE';
+		}
+
+		return false;
+	}
+
+	/**
+	* {inheritDoc}
+	*/
+	public function bind(\phpbb\request\request_interface $request)
+	{
+		parent::bind($request);
+
+		$this->subject = $request->variable('subject', '', true);
+		$this->sender_address = $request->variable('email', '');
+		$this->sender_name = $request->variable('name', '', true);
+	}
+
+	/**
+	* {inheritDoc}
+	*/
+	public function submit(\messenger $messenger)
+	{
+		if (!$this->subject)
+		{
+			$this->errors[] = $this->user->lang['EMPTY_SUBJECT_EMAIL'];
+		}
+		if (!$this->body)
+		{
+			$this->errors[] = $this->user->lang['EMPTY_MESSAGE_EMAIL'];
+		}
+
+		if ($this->user->data['is_registered'])
+		{
+			$this->message->set_sender_from_user($this->user);
+			$this->sender_name = $this->user->data['username'];
+			$this->sender_address = $this->user->data['user_email'];
+		}
+		else
+		{
+			if (!$this->sender_name)
+			{
+				$this->errors[] = $this->user->lang['EMPTY_SENDER_NAME'];
+			}
+
+			if (!function_exists('validate_data'))
+			{
+				require($this->phpbb_root_path . 'includes/functions_user.' . $this->phpEx);
+			}
+
+			$validate_array = validate_data(
+				array(
+					'email' => $this->sender_address,
+				),
+				array(
+					'email' => array(
+						array('string', false, 6, 60),
+						array('email'),
+					),
+				)
+			);
+
+			foreach ($validate_array as $error)
+			{
+				$this->errors[] = $this->user->lang[$error];
+			}
+
+			$this->message->set_sender($this->user->ip, $this->sender_name, $this->sender_address, $this->user->lang_name);
+			$this->message->set_sender_notify_type(NOTIFY_EMAIL);
+		}
+
+		$this->message->set_template('contact_admin');
+		$this->message->set_subject($this->subject);
+		$this->message->set_body($this->body);
+		$this->message->add_recipient(
+			$this->user->lang['ADMINISTRATOR'],
+			$this->config['board_contact'],
+			$this->config['default_lang'],
+			NOTIFY_EMAIL
+		);
+
+		$this->message->set_template_vars(array(
+			'FROM_EMAIL_ADDRESS'	=> $this->sender_address,
+			'FROM_IP_ADDRESS'		=> $this->user->ip,
+			'S_IS_REGISTERED'		=> $this->user->data['is_registered'],
+
+			'U_FROM_PROFILE'		=> generate_board_url() . '/memberlist.' . $this->phpEx . '?mode=viewprofile&u=' . $this->user->data['user_id'],
+		));
+
+		parent::submit($messenger);
+	}
+
+	/**
+	* {inheritDoc}
+	*/
+	public function render(\phpbb\template\template $template)
+	{
+		$l_admin_info = $this->config_text->get('contact_admin_info');
+		if ($l_admin_info)
+		{
+			$contact_admin_data			= $this->config_text->get_array(array(
+				'contact_admin_info',
+				'contact_admin_info_uid',
+				'contact_admin_info_bitfield',
+				'contact_admin_info_flags',
+			));
+
+			$l_admin_info = generate_text_for_display(
+				$contact_admin_data['contact_admin_info'],
+				$contact_admin_data['contact_admin_info_uid'],
+				$contact_admin_data['contact_admin_info_bitfield'],
+				$contact_admin_data['contact_admin_info_flags']
+			);
+		}
+
+		$template->assign_vars(array(
+			'S_CONTACT_ADMIN'	=> true,
+			'S_CONTACT_FORM'	=> $this->config['contact_admin_form_enable'],
+			'S_IS_REGISTERED'	=> $this->user->data['is_registered'],
+			'S_POST_ACTION'		=> append_sid($this->phpbb_root_path . 'memberlist.' . $this->phpEx, 'mode=contactadmin'),
+
+			'CONTACT_INFO'		=> $l_admin_info,
+			'MESSAGE'			=> $this->body,
+			'SUBJECT'			=> $this->subject,
+			'NAME'				=> $this->sender_name,
+			'EMAIL'				=> $this->sender_address,
+		));
+
+		parent::render($template);
+	}
+}
diff --git a/phpBB/phpbb/message/form.php b/phpBB/phpbb/message/form.php
new file mode 100644
index 0000000000..21d4de0b4d
--- /dev/null
+++ b/phpBB/phpbb/message/form.php
@@ -0,0 +1,175 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\message;
+
+/**
+* Abstract class form
+*/
+abstract class form
+{
+	/** @var \phpbb\auth\auth */
+	protected $auth;
+	/** @var \phpbb\config\config */
+	protected $config;
+	/** @var \phpbb\db\driver\driver_interface */
+	protected $db;
+	/** @var \phpbb\message\message */
+	protected $message;
+	/** @var \phpbb\user */
+	protected $user;
+
+	/** @var string */
+	protected $phpbb_root_path;
+	/** @var string */
+	protected $phpEx;
+
+	/** @var array */
+	protected $errors = array();
+	/** @var bool */
+	protected $cc_sender;
+	/** @var string */
+	protected $body;
+
+	/**
+	* Construct
+	*
+	* @param \phpbb\auth\auth $auth
+	* @param \phpbb\config\config $config
+	* @param \phpbb\db\driver\driver_interface $db
+	* @param \phpbb\user $user
+	* @param string $phpbb_root_path
+	* @param string $phpEx
+	*/
+	public function __construct(\phpbb\auth\auth $auth, \phpbb\config\config $config, \phpbb\db\driver\driver_interface $db, \phpbb\user $user, $phpbb_root_path, $phpEx)
+	{
+		$this->phpbb_root_path = $phpbb_root_path;
+		$this->phpEx = $phpEx;
+		$this->user = $user;
+		$this->auth = $auth;
+		$this->config = $config;
+		$this->db = $db;
+
+		$this->message = new message($config['server_name']);
+		$this->message->set_sender_from_user($this->user);
+	}
+
+	/**
+	* Returns the title for the email form page
+	*
+	* @return string
+	*/
+	public function get_page_title()
+	{
+		return $this->user->lang['SEND_EMAIL'];
+	}
+
+	/**
+	* Returns the file name of the form template
+	*
+	* @return string
+	*/
+	public function get_template_file()
+	{
+		return 'memberlist_email.html';
+	}
+
+	/**
+	* Checks whether the user is allowed to use the form
+	*
+	* @return false|string	Error string if not allowed, false otherwise
+	*/
+	public function check_allow()
+	{
+		if (!$this->config['email_enable'])
+		{
+			return 'EMAIL_DISABLED';
+		}
+
+		if (time() - $this->user->data['user_emailtime'] < $this->config['flood_interval'])
+		{
+			return 'FLOOD_EMAIL_LIMIT';
+		}
+
+		return false;
+	}
+
+	/**
+	* Get the return link after the message has been sent
+	*
+	* @return string
+	*/
+	public function get_return_message()
+	{
+		return sprintf($this->user->lang['RETURN_INDEX'], '<a href="' . append_sid($this->phpbb_root_path . 'index.' . $this->phpEx) . '">', '</a>');
+	}
+
+	/**
+	* Bind the values of the request to the form
+	*
+	* @param \phpbb\request\request_interface $request
+	* @return null
+	*/
+	public function bind(\phpbb\request\request_interface $request)
+	{
+		$this->cc_sender = $request->is_set_post('cc_sender');
+		$this->body = $request->variable('message', '', true);
+	}
+
+	/**
+	* Submit form, generate the email and send it
+	*
+	* @param \messenger $messenger
+	* @return null
+	*/
+	public function submit(\messenger $messenger)
+	{
+		if (!check_form_key('memberlist_email'))
+		{
+			$this->errors[] = 'FORM_INVALID';
+		}
+
+		if (!sizeof($this->errors))
+		{
+			$sql = 'UPDATE ' . USERS_TABLE . '
+				SET user_emailtime = ' . time() . '
+				WHERE user_id = ' . $this->user->data['user_id'];
+			$this->db->sql_query($sql);
+
+			if ($this->cc_sender && $this->user->data['is_registered'])
+			{
+				$this->message->cc_sender();
+			}
+
+			$this->message->send($messenger, phpbb_get_board_contact($this->config, $this->phpEx));
+
+			meta_refresh(3, append_sid($this->phpbb_root_path . 'index.' . $this->phpEx));
+			trigger_error($this->user->lang['EMAIL_SENT'] . '<br /><br />' . $this->get_return_message());
+		}
+	}
+
+	/**
+	* Render the template of the form
+	*
+	* @param \phpbb\template\template $template
+	* @return null
+	*/
+	public function render(\phpbb\template\template $template)
+	{
+		add_form_key('memberlist_email');
+
+		$template->assign_vars(array(
+			'ERROR_MESSAGE'		=> (sizeof($this->errors)) ? implode('<br />', $this->errors) : '',
+		));
+	}
+}
diff --git a/phpBB/phpbb/message/message.php b/phpBB/phpbb/message/message.php
new file mode 100644
index 0000000000..5fd24b542e
--- /dev/null
+++ b/phpBB/phpbb/message/message.php
@@ -0,0 +1,282 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\message;
+
+/**
+* Class message
+* Holds all information for an email and sends it in the end
+*/
+class message
+{
+	/** @var string */
+	protected $server_name;
+
+	/** @var string */
+	protected $subject = '';
+	/** @var string */
+	protected $body = '';
+	/** @var string */
+	protected $template = '';
+	/** @var array */
+	protected $template_vars = array();
+
+	/** @var string */
+	protected $sender_ip = '';
+	/** @var string */
+	protected $sender_name = '';
+	/** @var string */
+	protected $sender_address = '';
+	/** @var string */
+	protected $sender_lang = '';
+	/** @var string */
+	protected $sender_id = '';
+	/** @var string */
+	protected $sender_username = '';
+	/** @var string */
+	protected $sender_jabber = '';
+	/** @var int */
+	protected $sender_notify_type = NOTIFY_EMAIL;
+
+	/** @var array */
+	protected $recipients;
+
+	/**
+	* Construct
+	*
+	* @param string $server_name	Used for AntiAbuse header
+	*/
+	public function __construct($server_name)
+	{
+		$this->server_name = $server_name;
+	}
+
+	/**
+	* Set the subject of the email
+	*
+	* @param string $subject
+	* @return null
+	*/
+	public function set_subject($subject)
+	{
+		$this->subject = $subject;
+	}
+
+	/**
+	* Set the body of the email text
+	*
+	* @param string $body
+	* @return null
+	*/
+	public function set_body($body)
+	{
+		$this->body = $body;
+	}
+
+	/**
+	* Set the name of the email template to use
+	*
+	* @param string $template
+	* @return null
+	*/
+	public function set_template($template)
+	{
+		$this->template = $template;
+	}
+
+	/**
+	* Set the array with the "template" data for the email
+	*
+	* @param array $template_vars
+	* @return null
+	*/
+	public function set_template_vars($template_vars)
+	{
+		$this->template_vars = $template_vars;
+	}
+
+	/**
+	* Add a recipient from \phpbb\user
+	*
+	* @param array $user
+	* @return null
+	*/
+	public function add_recipient_from_user_row(array $user)
+	{
+		$this->add_recipient(
+			$user['username'],
+			$user['user_email'],
+			$user['user_lang'],
+			$user['user_notify_type'],
+			$user['username'],
+			$user['user_jabber']
+		);
+	}
+
+	/**
+	* Add a recipient
+	*
+	* @param string $recipient_name		Displayed sender name
+	* @param string $recipient_address	Email address
+	* @param string $recipient_lang
+	* @param int $recipient_notify_type	Used notification methods (Jabber, Email, ...)
+	* @param string $recipient_username	User Name (used for AntiAbuse header)
+	* @param string $recipient_jabber
+	* @return null
+	*/
+	public function add_recipient($recipient_name, $recipient_address, $recipient_lang, $recipient_notify_type = NOTIFY_EMAIL, $recipient_username = '', $recipient_jabber = '')
+	{
+		$this->recipients[] = array(
+			'name'			=> $recipient_name,
+			'address'		=> $recipient_address,
+			'lang'			=> $recipient_lang,
+			'username'		=> $recipient_username,
+			'jabber'		=> $recipient_jabber,
+			'notify_type'	=> $recipient_notify_type,
+			'to_name'		=> $recipient_name,
+		);
+	}
+
+	/**
+	* Set the senders data from \phpbb\user object
+	*
+	* @param \phpbb\user $user
+	* @return null
+	*/
+	public function set_sender_from_user($user)
+	{
+		$this->set_sender(
+			$user->ip,
+			$user->data['username'],
+			$user->data['user_email'],
+			$user->lang_name,
+			$user->data['user_id'],
+			$user->data['username'],
+			$user->data['user_jabber']
+		);
+
+		$this->set_sender_notify_type($user->data['user_notify_type']);
+	}
+
+	/**
+	* Set the senders data
+	*
+	* @param string $sender_ip
+	* @param string $sender_name		Displayed sender name
+	* @param string $sender_address		Email address
+	* @param string $sender_lang
+	* @param int $sender_id				User ID
+	* @param string $sender_username	User Name (used for AntiAbuse header)
+	* @param string $sender_jabber
+	* @return null
+	*/
+	public function set_sender($sender_ip, $sender_name, $sender_address, $sender_lang = '', $sender_id = 0, $sender_username = '', $sender_jabber = '')
+	{
+		$this->sender_ip = $sender_ip;
+		$this->sender_name = $sender_name;
+		$this->sender_address = $sender_address;
+		$this->sender_lang = $sender_lang;
+		$this->sender_id = $sender_id;
+		$this->sender_username = $sender_username;
+		$this->sender_jabber = $sender_jabber;
+	}
+
+	/**
+	* Which notification type should be used? Jabber, Email, ...?
+	*
+	* @param int $sender_notify_type
+	* @return null
+	*/
+	public function set_sender_notify_type($sender_notify_type)
+	{
+		$this->sender_notify_type = $sender_notify_type;
+	}
+
+	/**
+	* Ok, now the same email if CC specified, but without exposing the user's email address
+	*
+	* @return null
+	*/
+	public function cc_sender()
+	{
+		if (!sizeof($this->recipients))
+		{
+			trigger_error('No email recipients specified');
+		}
+		if (!$this->sender_address)
+		{
+			trigger_error('No email sender specified');
+		}
+
+		$this->recipients[] = array(
+			'lang'			=> $this->sender_lang,
+			'address'		=> $this->sender_address,
+			'name'			=> $this->sender_name,
+			'username'		=> $this->sender_username,
+			'jabber'		=> $this->sender_jabber,
+			'notify_type'	=> $this->sender_notify_type,
+			'to_name'		=> $this->recipients[0]['to_name'],
+		);
+	}
+
+	/**
+	* Send the email
+	*
+	* @param \messenger $messenger
+	* @param string $contact
+	* @return null
+	*/
+	public function send(\messenger $messenger, $contact)
+	{
+		if (!sizeof($this->recipients))
+		{
+			return;
+		}
+
+		foreach ($this->recipients as $recipient)
+		{
+			$messenger->template($this->template, $recipient['lang']);
+			$messenger->replyto($this->sender_address);
+			$messenger->to($recipient['address'], $recipient['name']);
+			$messenger->im($recipient['jabber'], $recipient['username']);
+
+			$messenger->headers('X-AntiAbuse: Board servername - ' . $this->server_name);
+			$messenger->headers('X-AntiAbuse: User IP - ' . $this->sender_ip);
+
+			if ($this->sender_id)
+			{
+				$messenger->headers('X-AntiAbuse: User_id - ' . $this->sender_id);
+			}
+			if ($this->sender_username)
+			{
+				$messenger->headers('X-AntiAbuse: Username - ' . $this->sender_username);
+			}
+
+			$messenger->subject(htmlspecialchars_decode($this->subject));
+
+			$messenger->assign_vars(array(
+				'BOARD_CONTACT'	=> $contact,
+				'TO_USERNAME'	=> htmlspecialchars_decode($recipient['to_name']),
+				'FROM_USERNAME'	=> htmlspecialchars_decode($this->sender_name),
+				'MESSAGE'		=> htmlspecialchars_decode($this->body))
+			);
+
+			if (sizeof($this->template_vars))
+			{
+				$messenger->assign_vars($this->template_vars);
+			}
+
+			$messenger->send($recipient['notify_type']);
+		}
+	}
+}
diff --git a/phpBB/phpbb/message/topic_form.php b/phpBB/phpbb/message/topic_form.php
new file mode 100644
index 0000000000..174643bb81
--- /dev/null
+++ b/phpBB/phpbb/message/topic_form.php
@@ -0,0 +1,158 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\message;
+
+/**
+* Class topic_form
+* Form used to send topics as notification emails
+*/
+class topic_form extends form
+{
+	/** @var int */
+	protected $topic_id;
+	/** @var array */
+	protected $topic_row;
+	/** @var string */
+	protected $recipient_address;
+	/** @var string */
+	protected $recipient_name;
+	/** @var string */
+	protected $recipient_lang;
+
+	/**
+	* Get the data of the topic
+	*
+	* @param int $topic_id
+	* @return	false|array		false if the topic does not exist, array otherwise
+	*/
+	protected function get_topic_row($topic_id)
+	{
+		$sql = 'SELECT forum_id, topic_title
+			FROM ' . TOPICS_TABLE . '
+			WHERE topic_id = ' . (int) $topic_id;
+		$result = $this->db->sql_query($sql);
+		$row = $this->db->sql_fetchrow($result);
+		$this->db->sql_freeresult($result);
+
+		return $row;
+	}
+
+	/**
+	* {inheritDoc}
+	*/
+	public function check_allow()
+	{
+		$error = parent::check_allow();
+		if ($error)
+		{
+			return $error;
+		}
+
+		if (!$this->auth->acl_get('u_sendemail'))
+		{
+			return 'NO_EMAIL';
+		}
+
+		if (!$this->topic_row)
+		{
+			return 'NO_TOPIC';
+		}
+
+		if (!$this->auth->acl_get('f_read', $this->topic_row['forum_id']))
+		{
+			return 'SORRY_AUTH_READ';
+		}
+
+		if (!$this->auth->acl_get('f_email', $this->topic_row['forum_id']))
+		{
+			return 'NO_EMAIL';
+		}
+
+		return false;
+	}
+
+	/**
+	* {inheritDoc}
+	*/
+	public function bind(\phpbb\request\request_interface $request)
+	{
+		parent::bind($request);
+
+		$this->topic_id = $request->variable('t', 0);
+		$this->recipient_address = $request->variable('email', '');
+		$this->recipient_name = $request->variable('name', '', true);
+		$this->recipient_lang = $request->variable('lang', $this->config['default_lang']);
+
+		$this->topic_row = $this->get_topic_row($this->topic_id);
+	}
+
+	/**
+	* {inheritDoc}
+	*/
+	public function submit(\messenger $messenger)
+	{
+		if (!$this->recipient_address || !preg_match('/^' . get_preg_expression('email') . '$/i', $this->recipient_address))
+		{
+			$this->errors[] = $this->user->lang['EMPTY_ADDRESS_EMAIL'];
+		}
+
+		if (!$this->recipient_name)
+		{
+			$this->errors[] = $this->user->lang['EMPTY_NAME_EMAIL'];
+		}
+
+		$this->message->set_template('email_notify');
+		$this->message->set_template_vars(array(
+			'TOPIC_NAME'	=> htmlspecialchars_decode($this->topic_row['topic_title']),
+			'U_TOPIC'		=> generate_board_url() . '/viewtopic.' . $this->phpEx . '?f=' . $this->topic_row['forum_id'] . '&t=' . $this->topic_id,
+		));
+		$this->message->set_body($this->body);
+		$this->message->add_recipient(
+			$this->recipient_name,
+			$this->recipient_address,
+			$this->recipient_lang,
+			NOTIFY_EMAIL
+		);
+		$this->message->set_sender_notify_type(NOTIFY_EMAIL);
+
+		parent::submit($messenger);
+	}
+
+	/**
+	* {inheritDoc}
+	*/
+	public function get_return_message()
+	{
+		return sprintf($this->user->lang['RETURN_TOPIC'],  '<a href="' . append_sid($this->phpbb_root_path . 'viewtopic.' . $this->phpEx, 'f=' . $this->topic_row['forum_id'] . '&amp;t=' . $this->topic_id) . '">', '</a>');
+	}
+
+	/**
+	* {inheritDoc}
+	*/
+	public function render(\phpbb\template\template $template)
+	{
+		parent::render($template);
+
+		$this->user->add_lang('viewtopic');
+		$template->assign_vars(array(
+			'EMAIL'				=> $this->recipient_address,
+			'NAME'				=> $this->recipient_name,
+			'S_LANG_OPTIONS'	=> language_select($this->recipient_lang),
+			'MESSAGE'			=> $this->body,
+
+			'L_EMAIL_BODY_EXPLAIN'	=> $this->user->lang['EMAIL_TOPIC_EXPLAIN'],
+			'S_POST_ACTION'			=> append_sid($this->phpbb_root_path . 'memberlist.' . $this->phpEx, 'mode=email&amp;t=' . $this->topic_id))
+		);
+	}
+}
diff --git a/phpBB/phpbb/message/user_form.php b/phpBB/phpbb/message/user_form.php
new file mode 100644
index 0000000000..007e575407
--- /dev/null
+++ b/phpBB/phpbb/message/user_form.php
@@ -0,0 +1,136 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\message;
+
+/**
+* Class user_form
+* Allows users to send emails to other users
+*/
+class user_form extends form
+{
+	/** @var int */
+	protected $recipient_id;
+	/** @var array */
+	protected $recipient_row;
+	/** @var string */
+	protected $subject;
+
+	/**
+	* Get the data of the recipient
+	*
+	* @param int $user_id
+	* @return	false|array		false if the user does not exist, array otherwise
+	*/
+	protected function get_user_row($user_id)
+	{
+		$sql = 'SELECT user_id, username, user_colour, user_email, user_allow_viewemail, user_lang, user_jabber, user_notify_type
+			FROM ' . USERS_TABLE . '
+			WHERE user_id = ' . (int) $user_id . '
+				AND user_type IN (' . USER_NORMAL . ', ' . USER_FOUNDER . ')';
+		$result = $this->db->sql_query($sql);
+		$row = $this->db->sql_fetchrow($result);
+		$this->db->sql_freeresult($result);
+
+		return $row;
+	}
+
+	/**
+	* {inheritDoc}
+	*/
+	public function check_allow()
+	{
+		$error = parent::check_allow();
+		if ($error)
+		{
+			return $error;
+		}
+
+		if (!$this->auth->acl_get('u_sendemail'))
+		{
+			return 'NO_EMAIL';
+		}
+
+		if ($this->recipient_id == ANONYMOUS || !$this->config['board_email_form'])
+		{
+			return 'NO_EMAIL';
+		}
+
+		if (!$this->recipient_row)
+		{
+			return 'NO_USER';
+		}
+
+		// Can we send email to this user?
+		if (!$this->recipient_row['user_allow_viewemail'] && !$this->auth->acl_get('a_user'))
+		{
+			return 'NO_EMAIL';
+		}
+
+		return false;
+	}
+
+	/**
+	* {inheritDoc}
+	*/
+	public function bind(\phpbb\request\request_interface $request)
+	{
+		parent::bind($request);
+
+		$this->recipient_id = $request->variable('u', 0);
+		$this->subject = $request->variable('subject', '', true);
+
+		$this->recipient_row = $this->get_user_row($this->recipient_id);
+	}
+
+	/**
+	* {inheritDoc}
+	*/
+	public function submit(\messenger $messenger)
+	{
+		if (!$this->subject)
+		{
+			$this->errors[] = $this->user->lang['EMPTY_SUBJECT_EMAIL'];
+		}
+
+		if (!$this->body)
+		{
+			$this->errors[] = $this->user->lang['EMPTY_MESSAGE_EMAIL'];
+		}
+
+		$this->message->set_template('profile_send_email');
+		$this->message->set_subject($this->subject);
+		$this->message->set_body($this->body);
+		$this->message->add_recipient_from_user_row($this->recipient_row);
+
+		parent::submit($messenger);
+	}
+
+	/**
+	* {inheritDoc}
+	*/
+	public function render(\phpbb\template\template $template)
+	{
+		parent::render($template);
+
+		$template->assign_vars(array(
+			'S_SEND_USER'			=> true,
+			'S_POST_ACTION'			=> append_sid($this->phpbb_root_path . 'memberlist.' . $this->phpEx, 'mode=email&amp;u=' . $this->recipient_id),
+
+			'L_SEND_EMAIL_USER'		=> $this->user->lang('SEND_EMAIL_USER', $this->recipient_row['username']),
+			'USERNAME_FULL'			=> get_username_string('full', $this->recipient_row['user_id'], $this->recipient_row['username'], $this->recipient_row['user_colour']),
+			'SUBJECT'				=> $this->subject,
+			'MESSAGE'				=> $this->body,
+		));
+	}
+}