9 files changed, 257 insertions, 37 deletions
diff --git a/phpBB/includes/acp/acp_extensions.php b/phpBB/includes/acp/acp_extensions.php
index 5c589222c6..6f65dc9fa0 100644
--- a/phpBB/includes/acp/acp_extensions.php
+++ b/phpBB/includes/acp/acp_extensions.php
@@ -106,7 +106,7 @@ class acp_extensions
 			catch (exception_interface $e)
 			{
 				$message = call_user_func_array(array($this->user, 'lang'), array_merge(array($e->getMessage()), $e->get_parameters()));
-				trigger_error($message, E_USER_WARNING);
+				trigger_error($message . adm_back_link($this->u_action), E_USER_WARNING);
 			}
 		}
 
@@ -161,7 +161,7 @@ class acp_extensions
 				{
 					$md_manager->validate_enable();
 				}
-				catch (\phpbb\extension\exception $e)
+				catch (exception_interface $e)
 				{
 					$message = call_user_func_array(array($this->user, 'lang'), array_merge(array($e->getMessage()), $e->get_parameters()));
 					trigger_error($message . adm_back_link($this->u_action), E_USER_WARNING);
@@ -192,7 +192,7 @@ class acp_extensions
 				{
 					$md_manager->validate_enable();
 				}
-				catch (\phpbb\extension\exception $e)
+				catch (exception_interface $e)
 				{
 					$message = call_user_func_array(array($this->user, 'lang'), array_merge(array($e->getMessage()), $e->get_parameters()));
 					trigger_error($message . adm_back_link($this->u_action), E_USER_WARNING);
@@ -216,6 +216,15 @@ class acp_extensions
 							meta_refresh(0, $this->u_action . '&amp;action=enable&amp;ext_name=' . urlencode($ext_name) . '&amp;hash=' . generate_link_hash('enable.' . $ext_name));
 						}
 					}
+
+					// Update custom style for admin area
+					$this->template->set_custom_style(array(
+						array(
+							'name' 		=> 'adm',
+							'ext_path' 	=> 'adm/style/',
+						),
+					), array($phpbb_root_path . 'adm/style'));
+
 					$this->log->add('admin', $this->user->data['user_id'], $this->user->ip, 'LOG_EXT_ENABLE', time(), array($ext_name));
 				}
 				catch (\phpbb\db\migration\exception $e)
diff --git a/phpBB/includes/acp/acp_jabber.php b/phpBB/includes/acp/acp_jabber.php
index 5dec6bb7d4..07f5dadbff 100644
--- a/phpBB/includes/acp/acp_jabber.php
+++ b/phpBB/includes/acp/acp_jabber.php
@@ -49,13 +49,16 @@ class acp_jabber
 		$this->tpl_name = 'acp_jabber';
 		$this->page_title = 'ACP_JABBER_SETTINGS';
 
-		$jab_enable			= $request->variable('jab_enable',			(bool) $config['jab_enable']);
-		$jab_host			= $request->variable('jab_host',			(string) $config['jab_host']);
-		$jab_port			= $request->variable('jab_port',			(int) $config['jab_port']);
-		$jab_username		= $request->variable('jab_username',		(string) $config['jab_username']);
-		$jab_password		= $request->variable('jab_password',		(string) $config['jab_password']);
-		$jab_package_size	= $request->variable('jab_package_size',	(int) $config['jab_package_size']);
-		$jab_use_ssl		= $request->variable('jab_use_ssl',		(bool) $config['jab_use_ssl']);
+		$jab_enable				= $request->variable('jab_enable',			(bool) $config['jab_enable']);
+		$jab_host				= $request->variable('jab_host',			(string) $config['jab_host']);
+		$jab_port				= $request->variable('jab_port',			(int) $config['jab_port']);
+		$jab_username			= $request->variable('jab_username',		(string) $config['jab_username']);
+		$jab_password			= $request->variable('jab_password',		(string) $config['jab_password']);
+		$jab_package_size		= $request->variable('jab_package_size',	(int) $config['jab_package_size']);
+		$jab_use_ssl			= $request->variable('jab_use_ssl',		(bool) $config['jab_use_ssl']);
+		$jab_verify_peer		= $request->variable('jab_verify_peer',		(bool) $config['jab_verify_peer']);
+		$jab_verify_peer_name	= $request->variable('jab_verify_peer_name',	(bool) $config['jab_verify_peer_name']);
+		$jab_allow_self_signed	= $request->variable('jab_allow_self_signed',	(bool) $config['jab_allow_self_signed']);
 
 		$form_name = 'acp_jabber';
 		add_form_key($form_name);
@@ -73,7 +76,7 @@ class acp_jabber
 			// Is this feature enabled? Then try to establish a connection
 			if ($jab_enable)
 			{
-				$jabber = new jabber($jab_host, $jab_port, $jab_username, $jab_password, $jab_use_ssl);
+				$jabber = new jabber($jab_host, $jab_port, $jab_username, $jab_password, $jab_use_ssl, $jab_verify_peer, $jab_verify_peer_name, $jab_allow_self_signed);
 
 				if (!$jabber->connect())
 				{
@@ -113,6 +116,9 @@ class acp_jabber
 			}
 			$config->set('jab_package_size', $jab_package_size);
 			$config->set('jab_use_ssl', $jab_use_ssl);
+			$config->set('jab_verify_peer', $jab_verify_peer);
+			$config->set('jab_verify_peer_name', $jab_verify_peer_name);
+			$config->set('jab_allow_self_signed', $jab_allow_self_signed);
 
 			$phpbb_log->add('admin', $user->data['user_id'], $user->ip, 'LOG_' . $log);
 			trigger_error($message . adm_back_link($this->u_action));
@@ -128,6 +134,9 @@ class acp_jabber
 			'JAB_PASSWORD'			=> $jab_password !== '' ? '********' : '',
 			'JAB_PACKAGE_SIZE'		=> $jab_package_size,
 			'JAB_USE_SSL'			=> $jab_use_ssl,
+			'JAB_VERIFY_PEER'		=> $jab_verify_peer,
+			'JAB_VERIFY_PEER_NAME'	=> $jab_verify_peer_name,
+			'JAB_ALLOW_SELF_SIGNED'	=> $jab_allow_self_signed,
 			'S_CAN_USE_SSL'			=> jabber::can_use_ssl(),
 			'S_GTALK_NOTE'			=> (!@function_exists('dns_get_record')) ? true : false,
 		));
diff --git a/phpBB/includes/functions_content.php b/phpBB/includes/functions_content.php
index 387606a300..c3e7a7ceb7 100644
--- a/phpBB/includes/functions_content.php
+++ b/phpBB/includes/functions_content.php
@@ -734,9 +734,11 @@ function generate_text_for_storage(&$text, &$uid, &$bitfield, &$flags, $allow_bb
 	* @var string	uid				The BBCode UID
 	* @var string	bitfield		The BBCode Bitfield
 	* @var int		flags			The BBCode Flags
+	* @var string	message_parser	The message_parser object
 	* @since 3.1.0-a1
+	* @changed 3.1.11-RC1			Added message_parser to vars
 	*/
-	$vars = array('text', 'uid', 'bitfield', 'flags');
+	$vars = array('text', 'uid', 'bitfield', 'flags', 'message_parser');
 	extract($phpbb_dispatcher->trigger_event('core.modify_text_for_storage_after', compact($vars)));
 
 	return $message_parser->warn_msg;
diff --git a/phpBB/includes/functions_jabber.php b/phpBB/includes/functions_jabber.php
index a38888a861..cfe8c2a90e 100644
--- a/phpBB/includes/functions_jabber.php
+++ b/phpBB/includes/functions_jabber.php
@@ -41,6 +41,9 @@ class jabber
 	var $username;
 	var $password;
 	var $use_ssl;
+	var $verify_peer;
+	var $verify_peer_name;
+	var $allow_self_signed;
 	var $resource = 'functions_jabber.phpbb.php';
 
 	var $enable_logging;
@@ -49,8 +52,18 @@ class jabber
 	var $features = array();
 
 	/**
+	* Constructor
+	*
+	* @param string $server Jabber server
+	* @param int $port Jabber server port
+	* @param string $username Jabber username or JID
+	* @param string $password Jabber password
+	* @param boold $use_ssl Use ssl
+	* @param bool $verify_peer Verify SSL certificate
+	* @param bool $verify_peer_name Verify Jabber peer name
+	* @param bool $allow_self_signed Allow self signed certificates
 	*/
-	function jabber($server, $port, $username, $password, $use_ssl = false)
+	function __construct($server, $port, $username, $password, $use_ssl = false, $verify_peer = true, $verify_peer_name = true, $allow_self_signed = false)
 	{
 		$this->connect_server		= ($server) ? $server : 'localhost';
 		$this->port					= ($port) ? $port : 5222;
@@ -71,6 +84,9 @@ class jabber
 
 		$this->password				= $password;
 		$this->use_ssl				= ($use_ssl && self::can_use_ssl()) ? true : false;
+		$this->verify_peer			= $verify_peer;
+		$this->verify_peer_name		= $verify_peer_name;
+		$this->allow_self_signed	= $allow_self_signed;
 
 		// Change port if we use SSL
 		if ($this->port == 5222 && $this->use_ssl)
@@ -95,7 +111,7 @@ class jabber
 	*/
 	static public function can_use_tls()
 	{
-		if (!@extension_loaded('openssl') || !function_exists('stream_socket_enable_crypto') || !function_exists('stream_get_meta_data') || !function_exists('socket_set_blocking') || !function_exists('stream_get_wrappers'))
+		if (!@extension_loaded('openssl') || !function_exists('stream_socket_enable_crypto') || !function_exists('stream_get_meta_data') || !function_exists('stream_set_blocking') || !function_exists('stream_get_wrappers'))
 		{
 			return false;
 		}
@@ -138,7 +154,7 @@ class jabber
 
 		$this->session['ssl'] = $this->use_ssl;
 
-		if ($this->open_socket($this->connect_server, $this->port, $this->use_ssl))
+		if ($this->open_socket($this->connect_server, $this->port, $this->use_ssl, $this->verify_peer, $this->verify_peer_name, $this->allow_self_signed))
 		{
 			$this->send("<?xml version='1.0' encoding='UTF-8' ?" . ">\n");
 			$this->send("<stream:stream to='{$this->server}' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>\n");
@@ -226,10 +242,13 @@ class jabber
 	* @param string $server host to connect to
 	* @param int $port port number
 	* @param bool $use_ssl use ssl or not
+	* @param bool $verify_peer verify ssl certificate
+	* @param bool $verify_peer_name verify peer name
+	* @param bool $allow_self_signed allow self-signed ssl certificates
 	* @access public
 	* @return bool
 	*/
-	function open_socket($server, $port, $use_ssl = false)
+	function open_socket($server, $port, $use_ssl, $verify_peer, $verify_peer_name, $allow_self_signed)
 	{
 		if (@function_exists('dns_get_record'))
 		{
@@ -240,12 +259,26 @@ class jabber
 			}
 		}
 
-		$server = $use_ssl ? 'ssl://' . $server : $server;
+		$options = array();
 
-		if ($this->connection = @fsockopen($server, $port, $errorno, $errorstr, $this->timeout))
+		if ($use_ssl)
 		{
-			socket_set_blocking($this->connection, 0);
-			socket_set_timeout($this->connection, 60);
+			$remote_socket = 'ssl://' . $server . ':' . $port;
+
+			// Set ssl context options, see http://php.net/manual/en/context.ssl.php
+			$options['ssl'] = array('verify_peer' => $verify_peer, 'verify_peer_name' => $verify_peer_name, 'allow_self_signed' => $allow_self_signed);
+		}
+		else
+		{
+			$remote_socket = $server . ':' . $port;
+		}
+
+		$socket_context = stream_context_create($options);
+
+		if ($this->connection = @stream_socket_client($remote_socket, $errorno, $errorstr, $this->timeout, STREAM_CLIENT_CONNECT, $socket_context))
+		{
+			stream_set_blocking($this->connection, 0);
+			stream_set_timeout($this->connection, 60);
 
 			return true;
 		}
@@ -562,7 +595,7 @@ class jabber
 			case 'proceed':
 				// continue switching to TLS
 				$meta = stream_get_meta_data($this->connection);
-				socket_set_blocking($this->connection, 1);
+				stream_set_blocking($this->connection, 1);
 
 				if (!stream_socket_enable_crypto($this->connection, true, STREAM_CRYPTO_METHOD_TLS_CLIENT))
 				{
@@ -570,7 +603,7 @@ class jabber
 					return false;
 				}
 
-				socket_set_blocking($this->connection, $meta['blocked']);
+				stream_set_blocking($this->connection, $meta['blocked']);
 				$this->session['tls'] = true;
 
 				// new stream
diff --git a/phpBB/includes/functions_messenger.php b/phpBB/includes/functions_messenger.php
index 802246c1c5..ab7f00a65a 100644
--- a/phpBB/includes/functions_messenger.php
+++ b/phpBB/includes/functions_messenger.php
@@ -306,10 +306,16 @@ class messenger
 
 	/**
 	* Send the mail out to the recipients set previously in var $this->addresses
+	*
+	* @param int	$method	User notification method NOTIFY_EMAIL|NOTIFY_IM|NOTIFY_BOTH
+	* @param bool	$break	Flag indicating if the function only formats the subject
+	*						and the message without sending it
+	*
+	* @return bool
 	*/
 	function send($method = NOTIFY_EMAIL, $break = false)
 	{
-		global $config, $user;
+		global $config, $user, $phpbb_dispatcher;
 
 		// We add some standard variables we always use, no need to specify them always
 		$this->assign_vars(array(
@@ -318,6 +324,30 @@ class messenger
 			'SITENAME'	=> htmlspecialchars_decode($config['sitename']),
 		));
 
+		$subject = $this->subject;
+		$message = $this->msg;
+		/**
+		* Event to modify notification message text before parsing
+		*
+		* @event core.modify_notification_message
+		* @var	int		method	User notification method NOTIFY_EMAIL|NOTIFY_IM|NOTIFY_BOTH
+		* @var	bool	break	Flag indicating if the function only formats the subject
+		*						and the message without sending it
+		* @var	string	subject	The message subject
+		* @var	string	message	The message text
+		* @since 3.1.11-RC1
+		*/
+		$vars = array(
+			'method',
+			'break',
+			'subject',
+			'message',
+		);
+		extract($phpbb_dispatcher->trigger_event('core.modify_notification_message', compact($vars)));
+		$this->subject = $subject;
+		$this->msg = $message;
+		unset($subject, $message);
+
 		// Parse message through template
 		$this->msg = trim($this->template->assign_display('body'));
 
@@ -618,7 +648,7 @@ class messenger
 		if (!$use_queue)
 		{
 			include_once($phpbb_root_path . 'includes/functions_jabber.' . $phpEx);
-			$this->jabber = new jabber($config['jab_host'], $config['jab_port'], $config['jab_username'], htmlspecialchars_decode($config['jab_password']), $config['jab_use_ssl']);
+			$this->jabber = new jabber($config['jab_host'], $config['jab_port'], $config['jab_username'], htmlspecialchars_decode($config['jab_password']), $config['jab_use_ssl'], $config['jab_verify_peer'], $config['jab_verify_peer_name'], $config['jab_allow_self_signed']);
 
 			if (!$this->jabber->connect())
 			{
@@ -818,7 +848,7 @@ class queue
 					}
 
 					include_once($phpbb_root_path . 'includes/functions_jabber.' . $phpEx);
-					$this->jabber = new jabber($config['jab_host'], $config['jab_port'], $config['jab_username'], htmlspecialchars_decode($config['jab_password']), $config['jab_use_ssl']);
+					$this->jabber = new jabber($config['jab_host'], $config['jab_port'], $config['jab_username'], htmlspecialchars_decode($config['jab_password']), $config['jab_use_ssl'], $config['jab_verify_peer'], $config['jab_verify_peer_name'], $config['jab_allow_self_signed']);
 
 					if (!$this->jabber->connect())
 					{
@@ -1089,7 +1119,7 @@ function smtpmail($addresses, $subject, $message, &$err_msg, $headers = false)
 	$options['ssl'] = array('verify_peer' => $verify_peer, 'verify_peer_name' => $verify_peer_name, 'allow_self_signed' => $allow_self_signed);
 	$socket_context = stream_context_create($options);
 
-	$smtp->socket = stream_socket_client($remote_socket, $errno, $errstr, 20, STREAM_CLIENT_CONNECT, $socket_context);
+	$smtp->socket = @stream_socket_client($remote_socket, $errno, $errstr, 20, STREAM_CLIENT_CONNECT, $socket_context);
 	$collector->uninstall();
 	$error_contents = $collector->format_errors();
 
diff --git a/phpBB/includes/functions_posting.php b/phpBB/includes/functions_posting.php
index 7bc9608536..92679f8503 100644
--- a/phpBB/includes/functions_posting.php
+++ b/phpBB/includes/functions_posting.php
@@ -1165,7 +1165,7 @@ function topic_review($topic_id, $forum_id, $mode = 'topic_review', $cur_post_id
 */
 function delete_post($forum_id, $topic_id, $post_id, &$data, $is_soft = false, $softdelete_reason = '')
 {
-	global $db, $user, $phpbb_container;
+	global $db, $user, $phpbb_container, $phpbb_dispatcher;
 	global $config, $phpEx, $phpbb_root_path;
 
 	// Specify our post mode
@@ -1416,6 +1416,34 @@ function delete_post($forum_id, $topic_id, $post_id, &$data, $is_soft = false, $
 		sync('topic_reported', 'topic_id', array($topic_id));
 	}
 
+	/**
+	* This event is used for performing actions directly after a post or topic
+	* has been deleted.
+	*
+	* @event core.delete_post_after
+	* @var	int		forum_id			Post forum ID
+	* @var	int		topic_id			Post topic ID
+	* @var	int		post_id				Post ID
+	* @var	array	data				Post data
+	* @var	bool	is_soft				Soft delete flag
+	* @var	string	softdelete_reason	Soft delete reason
+	* @var	string	post_mode			delete_topic, delete_first_post, delete_last_post or delete
+	* @var	mixed	next_post_id		Next post ID in the topic (post ID or false)
+	*
+	* @since 3.1.11-RC1
+	*/
+	$vars = array(
+		'forum_id',
+		'topic_id',
+		'post_id',
+		'data',
+		'is_soft',
+		'softdelete_reason',
+		'post_mode',
+		'next_post_id',
+	);
+	extract($phpbb_dispatcher->trigger_event('core.delete_post_after', compact($vars)));
+
 	return $next_post_id;
 }
 
diff --git a/phpBB/includes/mcp/mcp_main.php b/phpBB/includes/mcp/mcp_main.php
index 971982e4fc..3d56bba21c 100644
--- a/phpBB/includes/mcp/mcp_main.php
+++ b/phpBB/includes/mcp/mcp_main.php
@@ -637,10 +637,13 @@ function mcp_move_topic($topic_ids)
 				*
 				* @event core.mcp_main_modify_shadow_sql
 				* @var	array	shadow	SQL array to be used by $db->sql_build_array
+				* @var	array	row		Topic data
 				* @since 3.1.11-RC1
+				* @changed 3.1.11-RC1 Added variable: row
 				*/
 				$vars = array(
 					'shadow',
+					'row',
 				);
 				extract($phpbb_dispatcher->trigger_event('core.mcp_main_modify_shadow_sql', compact($vars)));
 
@@ -1343,11 +1346,14 @@ function mcp_fork_topic($topic_ids)
 			* Perform actions before forked topic is created.
 			*
 			* @event core.mcp_main_modify_fork_sql
-			* @var	array	sql_ary	SQL array to be used by $db->sql_build_array
+			* @var	array	sql_ary		SQL array to be used by $db->sql_build_array
+			* @var	array	topic_row	Topic data
 			* @since 3.1.11-RC1
+			* @changed 3.1.11-RC1 Added variable: topic_row
 			*/
 			$vars = array(
 				'sql_ary',
+				'topic_row',
 			);
 			extract($phpbb_dispatcher->trigger_event('core.mcp_main_modify_fork_sql', compact($vars)));
 
diff --git a/phpBB/includes/mcp/mcp_post.php b/phpBB/includes/mcp/mcp_post.php
index 7fa6ef4fff..dd7aebdbd1 100644
--- a/phpBB/includes/mcp/mcp_post.php
+++ b/phpBB/includes/mcp/mcp_post.php
@@ -26,7 +26,7 @@ function mcp_post_details($id, $mode, $action)
 {
 	global $phpEx, $phpbb_root_path, $config, $request;
 	global $template, $db, $user, $auth;
-	global $phpbb_dispatcher;
+	global $phpbb_container, $phpbb_dispatcher;
 
 	$user->add_lang('posting');
 
@@ -352,7 +352,11 @@ function mcp_post_details($id, $mode, $action)
 	// Get IP
 	if ($auth->acl_get('m_info', $post_info['forum_id']))
 	{
+		/** @var \phpbb\pagination $pagination */
+		$pagination = $phpbb_container->get('pagination');
+
 		$rdns_ip_num = $request->variable('rdns', '');
+		$start_users = $request->variable('start_users', 0);
 
 		if ($rdns_ip_num != 'all')
 		{
@@ -361,23 +365,46 @@ function mcp_post_details($id, $mode, $action)
 			);
 		}
 
+		$num_users = false;
+		if ($start_users)
+		{
+			$num_users = phpbb_get_num_posters_for_ip($db, $post_info['poster_ip']);
+			$start_users = $pagination->validate_start($start_users, $config['posts_per_page'], $num_users);
+		}
+
 		// Get other users who've posted under this IP
 		$sql = 'SELECT poster_id, COUNT(poster_id) as postings
 			FROM ' . POSTS_TABLE . "
 			WHERE poster_ip = '" . $db->sql_escape($post_info['poster_ip']) . "'
+				AND poster_id <> " . (int) $post_info['poster_id'] . "
 			GROUP BY poster_id
-			ORDER BY postings DESC";
-		$result = $db->sql_query($sql);
+			ORDER BY postings DESC, poster_id ASC";
+		$result = $db->sql_query_limit($sql, $config['posts_per_page'], $start_users);
 
+		$page_users = 0;
 		while ($row = $db->sql_fetchrow($result))
 		{
-			// Fill the user select list with users who have posted under this IP
-			if ($row['poster_id'] != $post_info['poster_id'])
+			$page_users++;
+			$users_ary[$row['poster_id']] = $row;
+		}
+		$db->sql_freeresult($result);
+
+		if ($page_users == $config['posts_per_page'] || $start_users)
+		{
+			if ($num_users === false)
 			{
-				$users_ary[$row['poster_id']] = $row;
+				$num_users = phpbb_get_num_posters_for_ip($db, $post_info['poster_ip']);
 			}
+
+			$pagination->generate_template_pagination(
+				$url . '&amp;i=main&amp;mode=post_details',
+				'pagination',
+				'start_users',
+				$num_users,
+				$config['posts_per_page'],
+				$start_users
+			);
 		}
-		$db->sql_freeresult($result);
 
 		if (sizeof($users_ary))
 		{
@@ -412,16 +439,26 @@ function mcp_post_details($id, $mode, $action)
 		// A compound index on poster_id, poster_ip (posts table) would help speed up this query a lot,
 		// but the extra size is only valuable if there are persons having more than a thousands posts.
 		// This is better left to the really really big forums.
+		$start_ips = $request->variable('start_ips', 0);
+
+		$num_ips = false;
+		if ($start_ips)
+		{
+			$num_ips = phpbb_get_num_ips_for_poster($db, $post_info['poster_id']);
+			$start_ips = $pagination->validate_start($start_ips, $config['posts_per_page'], $num_ips);
+		}
 
 		$sql = 'SELECT poster_ip, COUNT(poster_ip) AS postings
 			FROM ' . POSTS_TABLE . '
 			WHERE poster_id = ' . $post_info['poster_id'] . "
 			GROUP BY poster_ip
-			ORDER BY postings DESC";
-		$result = $db->sql_query($sql);
+			ORDER BY postings DESC, poster_ip ASC";
+		$result = $db->sql_query_limit($sql, $config['posts_per_page'], $start_ips);
 
+		$page_ips = 0;
 		while ($row = $db->sql_fetchrow($result))
 		{
+			$page_ips++;
 			$hostname = (($rdns_ip_num == $row['poster_ip'] || $rdns_ip_num == 'all') && $row['poster_ip']) ? @gethostbyaddr($row['poster_ip']) : '';
 
 			$template->assign_block_vars('iprow', array(
@@ -436,6 +473,23 @@ function mcp_post_details($id, $mode, $action)
 		}
 		$db->sql_freeresult($result);
 
+		if ($page_ips == $config['posts_per_page'] || $start_ips)
+		{
+			if ($num_ips === false)
+			{
+				$num_ips = phpbb_get_num_ips_for_poster($db, $post_info['poster_id']);
+			}
+
+			$pagination->generate_template_pagination(
+				$url . '&amp;i=main&amp;mode=post_details',
+				'pagination_ips',
+				'start_ips',
+				$num_ips,
+				$config['posts_per_page'],
+				$start_ips
+			);
+		}
+
 		$user_select = '';
 
 		if (sizeof($usernames_ary))
@@ -454,6 +508,44 @@ function mcp_post_details($id, $mode, $action)
 }
 
 /**
+ * Get the number of posters for a given ip
+ *
+ * @param \phpbb\db\driver\driver_interface $db DBAL interface
+ * @param string $poster_ip IP
+ * @return int Number of posters
+ */
+function phpbb_get_num_posters_for_ip(\phpbb\db\driver\driver_interface $db, $poster_ip)
+{
+	$sql = 'SELECT COUNT(DISTINCT poster_id) as num_users
+		FROM ' . POSTS_TABLE . "
+		WHERE poster_ip = '" . $db->sql_escape($poster_ip) . "'";
+	$result = $db->sql_query($sql);
+	$num_users = (int) $db->sql_fetchfield('num_users');
+	$db->sql_freeresult($result);
+
+	return $num_users;
+}
+
+/**
+ * Get the number of ips for a given poster
+ *
+ * @param \phpbb\db\driver\driver_interface $db
+ * @param int $poster_id Poster user ID
+ * @return int Number of IPs for given poster
+ */
+function phpbb_get_num_ips_for_poster(\phpbb\db\driver\driver_interface $db, $poster_id)
+{
+	$sql = 'SELECT COUNT(DISTINCT poster_ip) as num_ips
+		FROM ' . POSTS_TABLE . '
+		WHERE poster_id = ' . (int) $poster_id;
+	$result = $db->sql_query($sql);
+	$num_ips = (int) $db->sql_fetchfield('num_ips');
+	$db->sql_freeresult($result);
+
+	return $num_ips;
+}
+
+/**
 * Change a post's poster
 */
 function change_poster(&$post_info, $userdata)
diff --git a/phpBB/includes/ucp/ucp_pm_compose.php b/phpBB/includes/ucp/ucp_pm_compose.php
index 06f76aa01a..86cdb090c8 100644
--- a/phpBB/includes/ucp/ucp_pm_compose.php
+++ b/phpBB/includes/ucp/ucp_pm_compose.php
@@ -449,6 +449,17 @@ function compose_pm($id, $mode, $action, $user_folders = array())
 		$message_attachment = 0;
 		$message_text = $message_subject = '';
 
+		/**
+		* Predefine message text and subject
+		*
+		* @event core.ucp_pm_compose_predefined_message
+		* @var	string	message_text	Message text
+		* @var	string	message_subject	Messate subject
+		* @since 3.1.11-RC1
+		*/
+		$vars = array('message_text', 'message_subject');
+		extract($phpbb_dispatcher->trigger_event('core.ucp_pm_compose_predefined_message', compact($vars)));
+
 		if ($to_user_id && $to_user_id != ANONYMOUS && $action == 'post')
 		{
 			$address_list['u'][$to_user_id] = 'to';