19 files changed, 378 insertions, 29 deletions
diff --git a/phpBB/phpbb/auth/auth.php b/phpBB/phpbb/auth/auth.php
index b59f0e60ec..b7634e04ce 100644
--- a/phpBB/phpbb/auth/auth.php
+++ b/phpBB/phpbb/auth/auth.php
@@ -928,6 +928,7 @@ class auth
 	function login($username, $password, $autologin = false, $viewonline = 1, $admin = 0)
 	{
 		global $db, $user, $phpbb_root_path, $phpEx, $phpbb_container;
+		global $phpbb_dispatcher;
 
 		$provider_collection = $phpbb_container->get('auth.provider_collection');
 
@@ -982,6 +983,24 @@ class auth
 				redirect($url);
 			}
 
+			/**
+			 * Event is triggered after checking for valid username and password, and before the actual session creation.
+			 *
+			 * @event core.auth_login_session_create_before
+			 * @var	array	login				Variable containing login array
+			 * @var	bool	admin				Boolean variable whether user is logging into the ACP
+			 * @var	string	username			Username of user to log in
+			 * @var	bool	autologin			Boolean variable signaling whether login is triggered via auto login
+			 * @since 3.1.7-RC1
+			 */
+			$vars = array(
+				'login',
+				'admin',
+				'username',
+				'autologin',
+			);
+			extract($phpbb_dispatcher->trigger_event('core.auth_login_session_create_before', compact($vars)));
+
 			// If login succeeded, we will log the user in... else we pass the login array through...
 			if ($login['status'] == LOGIN_SUCCESS)
 			{
diff --git a/phpBB/phpbb/avatar/driver/gravatar.php b/phpBB/phpbb/avatar/driver/gravatar.php
index 2082e0fd02..bb4977c30c 100644
--- a/phpBB/phpbb/avatar/driver/gravatar.php
+++ b/phpBB/phpbb/avatar/driver/gravatar.php
@@ -172,6 +172,8 @@ class gravatar extends \phpbb\avatar\driver\driver
 	*/
 	protected function get_gravatar_url($row)
 	{
+		global $phpbb_dispatcher;
+
 		$url = self::GRAVATAR_URL;
 		$url .=  md5(strtolower(trim($row['avatar'])));
 
@@ -180,6 +182,17 @@ class gravatar extends \phpbb\avatar\driver\driver
 			$url .= '?s=' . max($row['avatar_width'], $row['avatar_height']);
 		}
 
+		/**
+		* Modify gravatar url
+		*
+		* @event core.get_gravatar_url_after
+		* @var	string	row	User data or group data
+		* @var	string	url	Gravatar URL
+		* @since 3.1.7-RC1
+		*/
+		$vars = array('row', 'url');
+		extract($phpbb_dispatcher->trigger_event('core.get_gravatar_url_after', compact($vars)));
+
 		return $url;
 	}
 }
diff --git a/phpBB/phpbb/avatar/driver/local.php b/phpBB/phpbb/avatar/driver/local.php
index 36087f8ba0..75c384f31e 100644
--- a/phpBB/phpbb/avatar/driver/local.php
+++ b/phpBB/phpbb/avatar/driver/local.php
@@ -84,11 +84,13 @@ class local extends \phpbb\avatar\driver\driver
 					'AVATAR_IMAGE'  => $this->phpbb_root_path . $this->config['avatar_gallery_path'] . '/' . $img['file'],
 					'AVATAR_NAME' 	=> $img['name'],
 					'AVATAR_FILE' 	=> $img['filename'],
+					'CHECKED'			=> $img['file'] === $row['avatar'],
 				));
 
 				$template->assign_block_vars('avatar_local_row.avatar_local_option', array(
 					'AVATAR_FILE' 		=> $img['filename'],
-					'S_OPTIONS_AVATAR'	=> $img['filename']
+					'S_OPTIONS_AVATAR'	=> $img['filename'],
+					'CHECKED'			=> $img['file'] === $row['avatar'],
 				));
 
 				$col_count = ($col_count + 1) % $table_cols;
@@ -182,7 +184,7 @@ class local extends \phpbb\avatar\driver\driver
 					}
 					$cat = ($path == $file_path) ? $user->lang['NO_AVATAR_CATEGORY'] : str_replace("$path/", '', $file_path);
 					$avatar_list[$cat][$image] = array(
-						'file'      => ($cat != $user->lang['NO_AVATAR_CATEGORY']) ? rawurlencode($cat) . '/' . rawurlencode($image) : rawurlencode($image),
+						'file'      => ($cat != $user->lang['NO_AVATAR_CATEGORY']) ? str_replace('%2F', '/', rawurlencode($cat)) . '/' . rawurlencode($image) : rawurlencode($image),
 						'filename'  => rawurlencode($image),
 						'name'      => ucfirst(str_replace('_', ' ', preg_replace('#^(.*)\..*$#', '\1', $image))),
 						'width'     => $dims[0],
diff --git a/phpBB/phpbb/db/migration/data/v31x/m_pm_report.php b/phpBB/phpbb/db/migration/data/v31x/m_pm_report.php
new file mode 100644
index 0000000000..9b5710c639
--- /dev/null
+++ b/phpBB/phpbb/db/migration/data/v31x/m_pm_report.php
@@ -0,0 +1,64 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\db\migration\data\v31x;
+
+class m_pm_report extends \phpbb\db\migration\migration
+{
+	static public function depends_on()
+	{
+		return array('\phpbb\db\migration\data\v31x\v316rc1');
+	}
+
+	public function update_data()
+	{
+		return array(
+			array('permission.add', array('m_pm_report', true, 'm_report')),
+			array('custom', array(
+					array($this, 'update_module_auth'),
+				),
+			),
+		);
+	}
+
+	public function revert_data()
+	{
+		return array(
+			array('permission.remove', array('m_pm_report')),
+			array('custom', array(
+					array($this, 'revert_module_auth'),
+				),
+			),
+		);
+	}
+
+	public function update_module_auth()
+	{
+		$sql = 'UPDATE ' . MODULES_TABLE . "
+			SET module_auth = 'acl_m_pm_report'
+			WHERE module_class = 'mcp'
+				AND module_basename = 'mcp_pm_reports'
+				AND module_auth = 'aclf_m_report'";
+		$this->db->sql_query($sql);
+	}
+
+	public function revert_module_auth()
+	{
+		$sql = 'UPDATE ' . MODULES_TABLE . "
+			SET module_auth = 'aclf_m_report'
+			WHERE module_class = 'mcp'
+				AND module_basename = 'mcp_pm_reports'
+				AND module_auth = 'acl_m_pm_report'";
+		$this->db->sql_query($sql);
+	}
+}
diff --git a/phpBB/phpbb/notification/type/approve_post.php b/phpBB/phpbb/notification/type/approve_post.php
index a9e635b41a..5760c12166 100644
--- a/phpBB/phpbb/notification/type/approve_post.php
+++ b/phpBB/phpbb/notification/type/approve_post.php
@@ -82,7 +82,7 @@ class approve_post extends \phpbb\notification\type\post
 		$users[$post['poster_id']] = array('');
 
 		return $this->get_authorised_recipients(array_keys($users), $post['forum_id'], array_merge($options, array(
-			'item_type'		=> self::$notification_option['id'],
+			'item_type'		=> static::$notification_option['id'],
 		)));
 	}
 
diff --git a/phpBB/phpbb/notification/type/approve_topic.php b/phpBB/phpbb/notification/type/approve_topic.php
index 2f4678359c..26e51bf9cd 100644
--- a/phpBB/phpbb/notification/type/approve_topic.php
+++ b/phpBB/phpbb/notification/type/approve_topic.php
@@ -82,7 +82,7 @@ class approve_topic extends \phpbb\notification\type\topic
 		$users[$post['poster_id']] = array('');
 
 		return $this->get_authorised_recipients(array_keys($users), $post['forum_id'], array_merge($options, array(
-			'item_type'		=> self::$notification_option['id'],
+			'item_type'		=> static::$notification_option['id'],
 		)));
 	}
 
diff --git a/phpBB/phpbb/notification/type/bookmark.php b/phpBB/phpbb/notification/type/bookmark.php
index 4f2d34cb60..1626add22c 100644
--- a/phpBB/phpbb/notification/type/bookmark.php
+++ b/phpBB/phpbb/notification/type/bookmark.php
@@ -95,7 +95,7 @@ class bookmark extends \phpbb\notification\type\post
 		$sql = 'SELECT n.*
 			FROM ' . $this->notifications_table . ' n, ' . $this->notification_types_table . ' nt
 			WHERE n.notification_type_id = ' . (int) $this->notification_type_id . '
-				AND n.item_parent_id = ' . (int) self::get_item_parent_id($post) . '
+				AND n.item_parent_id = ' . (int) static::get_item_parent_id($post) . '
 				AND n.notification_read = 0
 				AND nt.notification_type_id = n.notification_type_id
 				AND nt.notification_type_enabled = 1';
diff --git a/phpBB/phpbb/notification/type/post.php b/phpBB/phpbb/notification/type/post.php
index e25fdcd808..2969da550d 100644
--- a/phpBB/phpbb/notification/type/post.php
+++ b/phpBB/phpbb/notification/type/post.php
@@ -135,7 +135,7 @@ class post extends \phpbb\notification\type\base
 		$sql = 'SELECT n.*
 			FROM ' . $this->notifications_table . ' n, ' . $this->notification_types_table . ' nt
 			WHERE n.notification_type_id = ' . (int) $this->notification_type_id . '
-				AND n.item_parent_id = ' . (int) self::get_item_parent_id($post) . '
+				AND n.item_parent_id = ' . (int) static::get_item_parent_id($post) . '
 				AND n.notification_read = 0
 				AND nt.notification_type_id = n.notification_type_id
 				AND nt.notification_type_enabled = 1';
diff --git a/phpBB/phpbb/notification/type/post_in_queue.php b/phpBB/phpbb/notification/type/post_in_queue.php
index 315b8b0243..5832c99cd2 100644
--- a/phpBB/phpbb/notification/type/post_in_queue.php
+++ b/phpBB/phpbb/notification/type/post_in_queue.php
@@ -108,7 +108,7 @@ class post_in_queue extends \phpbb\notification\type\post
 		}
 
 		return $this->check_user_notification_options($auth_read[$post['forum_id']]['f_read'], array_merge($options, array(
-			'item_type'		=> self::$notification_option['id'],
+			'item_type'		=> static::$notification_option['id'],
 		)));
 	}
 
diff --git a/phpBB/phpbb/notification/type/quote.php b/phpBB/phpbb/notification/type/quote.php
index 508ca92fa0..2732cb84e4 100644
--- a/phpBB/phpbb/notification/type/quote.php
+++ b/phpBB/phpbb/notification/type/quote.php
@@ -78,7 +78,7 @@ class quote extends \phpbb\notification\type\post
 		), $options);
 
 		$usernames = false;
-		preg_match_all(self::$regular_expression_match, $post['post_text'], $usernames);
+		preg_match_all(static::$regular_expression_match, $post['post_text'], $usernames);
 
 		if (empty($usernames[1]))
 		{
@@ -116,7 +116,7 @@ class quote extends \phpbb\notification\type\post
 		$sql = 'SELECT n.user_id
 			FROM ' . $this->notifications_table . ' n, ' . $this->notification_types_table . ' nt
 			WHERE n.notification_type_id = ' . (int) $this->notification_type_id . '
-				AND n.item_id = ' . self::get_item_id($post) . '
+				AND n.item_id = ' . static::get_item_id($post) . '
 				AND nt.notification_type_id = n.notification_type_id
 				AND nt.notification_type_enabled = 1';
 		$result = $this->db->sql_query($sql);
@@ -147,7 +147,7 @@ class quote extends \phpbb\notification\type\post
 		{
 			$sql = 'DELETE FROM ' . $this->notifications_table . '
 				WHERE notification_type_id = ' . (int) $this->notification_type_id . '
-					AND item_id = ' . self::get_item_id($post) . '
+					AND item_id = ' . static::get_item_id($post) . '
 					AND ' . $this->db->sql_in_set('user_id', $remove_notifications);
 			$this->db->sql_query($sql);
 		}
diff --git a/phpBB/phpbb/notification/type/report_pm.php b/phpBB/phpbb/notification/type/report_pm.php
index 749cfe0b8e..785e5f243d 100644
--- a/phpBB/phpbb/notification/type/report_pm.php
+++ b/phpBB/phpbb/notification/type/report_pm.php
@@ -120,7 +120,7 @@ class report_pm extends \phpbb\notification\type\pm
 		}
 
 		return $this->check_user_notification_options($auth_approve[$post['forum_id']][$this->permission], array_merge($options, array(
-			'item_type'		=> self::$notification_option['id'],
+			'item_type'		=> static::$notification_option['id'],
 		)));
 	}
 
diff --git a/phpBB/phpbb/notification/type/topic_in_queue.php b/phpBB/phpbb/notification/type/topic_in_queue.php
index 4c60c6b858..6e57b9ac0c 100644
--- a/phpBB/phpbb/notification/type/topic_in_queue.php
+++ b/phpBB/phpbb/notification/type/topic_in_queue.php
@@ -108,7 +108,7 @@ class topic_in_queue extends \phpbb\notification\type\topic
 		}
 
 		return $this->check_user_notification_options($auth_read[$topic['forum_id']]['f_read'], array_merge($options, array(
-			'item_type'		=> self::$notification_option['id'],
+			'item_type'		=> static::$notification_option['id'],
 		)));
 	}
 
diff --git a/phpBB/phpbb/passwords/driver/salted_md5.php b/phpBB/phpbb/passwords/driver/salted_md5.php
index 81ac010785..38d6d9cd2c 100644
--- a/phpBB/phpbb/passwords/driver/salted_md5.php
+++ b/phpBB/phpbb/passwords/driver/salted_md5.php
@@ -75,7 +75,7 @@ class salted_md5 extends base
 				// happen if pre-determined settings are
 				// directly passed to the driver. The manager
 				// will not do this. Same as the old hashing
-				// implementatio in phpBB 3.0
+				// implementation in phpBB 3.0
 				return md5($password);
 			}
 		}
diff --git a/phpBB/phpbb/permissions.php b/phpBB/phpbb/permissions.php
index 42bbe443d1..e75476f59b 100644
--- a/phpBB/phpbb/permissions.php
+++ b/phpBB/phpbb/permissions.php
@@ -307,8 +307,9 @@ class permissions
 		'm_split'	=> array('lang' => 'ACL_M_SPLIT', 'cat' => 'topic_actions'),
 		'm_merge'	=> array('lang' => 'ACL_M_MERGE', 'cat' => 'topic_actions'),
 
-		'm_warn'	=> array('lang' => 'ACL_M_WARN', 'cat' => 'misc'),
-		'm_ban'		=> array('lang' => 'ACL_M_BAN', 'cat' => 'misc'),
+		'm_warn'		=> array('lang' => 'ACL_M_WARN', 'cat' => 'misc'),
+		'm_pm_report'	=> array('lang' => 'ACL_M_PM_REPORT', 'cat' => 'misc'),
+		'm_ban'			=> array('lang' => 'ACL_M_BAN', 'cat' => 'misc'),
 
 		// Admin Permissions
 		'a_board'		=> array('lang' => 'ACL_A_BOARD', 'cat' => 'settings'),
diff --git a/phpBB/phpbb/plupload/plupload.php b/phpBB/phpbb/plupload/plupload.php
index ca78167ec0..7f6267ed32 100644
--- a/phpBB/phpbb/plupload/plupload.php
+++ b/phpBB/phpbb/plupload/plupload.php
@@ -125,7 +125,7 @@ class plupload
 			// Need to modify some of the $_FILES values to reflect the new file
 			return array(
 				'tmp_name' => $file_path,
-				'name' => $this->request->variable('real_filename', ''),
+				'name' => $this->request->variable('real_filename', '', true),
 				'size' => filesize($file_path),
 				'type' => $this->mimetype_guesser->guess($file_path, $file_name),
 			);
diff --git a/phpBB/phpbb/search/fulltext_mysql.php b/phpBB/phpbb/search/fulltext_mysql.php
index bad2003000..3ddbd85b36 100644
--- a/phpBB/phpbb/search/fulltext_mysql.php
+++ b/phpBB/phpbb/search/fulltext_mysql.php
@@ -379,7 +379,7 @@ class fulltext_mysql extends \phpbb\search\base
 		}
 
 		// generate a search_key from all the options to identify the results
-		$search_key = md5(implode('#', array(
+		$search_key_array = array(
 			implode(', ', $this->split_words),
 			$type,
 			$fields,
@@ -390,7 +390,39 @@ class fulltext_mysql extends \phpbb\search\base
 			implode(',', $ex_fid_ary),
 			$post_visibility,
 			implode(',', $author_ary)
-		)));
+		);
+
+		/**
+		* Allow changing the search_key for cached results
+		*
+		* @event core.search_mysql_by_keyword_modify_search_key
+		* @var	array	search_key_array	Array with search parameters to generate the search_key
+		* @var	string	type				Searching type ('posts', 'topics')
+		* @var	string	fields				Searching fields ('titleonly', 'msgonly', 'firstpost', 'all')
+		* @var	string	terms				Searching terms ('all', 'any')
+		* @var	int		sort_days			Time, in days, of the oldest possible post to list
+		* @var	string	sort_key			The sort type used from the possible sort types
+		* @var	int		topic_id			Limit the search to this topic_id only
+		* @var	array	ex_fid_ary			Which forums not to search on
+		* @var	string	post_visibility		Post visibility data
+		* @var	array	author_ary			Array of user_id containing the users to filter the results to
+		* @since 3.1.7-RC1
+		*/
+		$vars = array(
+			'search_key_array',
+			'type',
+			'fields',
+			'terms',
+			'sort_days',
+			'sort_key',
+			'topic_id',
+			'ex_fid_ary',
+			'post_visibility',
+			'author_ary',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_mysql_by_keyword_modify_search_key', compact($vars)));
+
+		$search_key = md5(implode('#', $search_key_array));
 
 		if ($start < 0)
 		{
@@ -610,7 +642,7 @@ class fulltext_mysql extends \phpbb\search\base
 		}
 
 		// generate a search_key from all the options to identify the results
-		$search_key = md5(implode('#', array(
+		$search_key_array = array(
 			'',
 			$type,
 			($firstpost_only) ? 'firstpost' : '',
@@ -623,7 +655,39 @@ class fulltext_mysql extends \phpbb\search\base
 			$post_visibility,
 			implode(',', $author_ary),
 			$author_name,
-		)));
+		);
+
+		/**
+		* Allow changing the search_key for cached results
+		*
+		* @event core.search_mysql_by_author_modify_search_key
+		* @var	array	search_key_array	Array with search parameters to generate the search_key
+		* @var	string	type				Searching type ('posts', 'topics')
+		* @var	boolean	firstpost_only		Flag indicating if only topic starting posts are considered
+		* @var	int		sort_days			Time, in days, of the oldest possible post to list
+		* @var	string	sort_key			The sort type used from the possible sort types
+		* @var	int		topic_id			Limit the search to this topic_id only
+		* @var	array	ex_fid_ary			Which forums not to search on
+		* @var	string	post_visibility		Post visibility data
+		* @var	array	author_ary			Array of user_id containing the users to filter the results to
+		* @var	string	author_name			The username to search on
+		* @since 3.1.7-RC1
+		*/
+		$vars = array(
+			'search_key_array',
+			'type',
+			'firstpost_only',
+			'sort_days',
+			'sort_key',
+			'topic_id',
+			'ex_fid_ary',
+			'post_visibility',
+			'author_ary',
+			'author_name',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_mysql_by_author_modify_search_key', compact($vars)));
+
+		$search_key = md5(implode('#', $search_key_array));
 
 		if ($start < 0)
 		{
diff --git a/phpBB/phpbb/search/fulltext_native.php b/phpBB/phpbb/search/fulltext_native.php
index 02337cbf98..a02f889415 100644
--- a/phpBB/phpbb/search/fulltext_native.php
+++ b/phpBB/phpbb/search/fulltext_native.php
@@ -57,7 +57,7 @@ class fulltext_native extends \phpbb\search\base
 	protected $must_not_contain_ids = array();
 
 	/**
-	 * Post ids of posts containing atleast one word that needs to be excluded
+	 * Post ids of posts containing at least one word that needs to be excluded
 	 * @var array
 	 */
 	protected $must_exclude_one_ids = array();
@@ -530,7 +530,7 @@ class fulltext_native extends \phpbb\search\base
 		sort($must_exclude_one_ids);
 
 		// generate a search_key from all the options to identify the results
-		$search_key = md5(implode('#', array(
+		$search_key_array = array(
 			serialize($must_contain_ids),
 			serialize($must_not_contain_ids),
 			serialize($must_exclude_one_ids),
@@ -544,7 +544,45 @@ class fulltext_native extends \phpbb\search\base
 			$post_visibility,
 			implode(',', $author_ary),
 			$author_name,
-		)));
+		);
+
+		/**
+		* Allow changing the search_key for cached results
+		*
+		* @event core.search_native_by_keyword_modify_search_key
+		* @var	array	search_key_array	Array with search parameters to generate the search_key
+		* @var	array	must_contain_ids	Array with post ids of posts containing words that are to be included
+		* @var	array	must_not_contain_ids	Array with post ids of posts containing words that should not be included
+		* @var	array	must_exclude_one_ids	Array with post ids of posts containing at least one word that needs to be excluded
+		* @var	string	type				Searching type ('posts', 'topics')
+		* @var	string	fields				Searching fields ('titleonly', 'msgonly', 'firstpost', 'all')
+		* @var	string	terms				Searching terms ('all', 'any')
+		* @var	int		sort_days			Time, in days, of the oldest possible post to list
+		* @var	string	sort_key			The sort type used from the possible sort types
+		* @var	int		topic_id			Limit the search to this topic_id only
+		* @var	array	ex_fid_ary			Which forums not to search on
+		* @var	string	post_visibility		Post visibility data
+		* @var	array	author_ary			Array of user_id containing the users to filter the results to
+		* @since 3.1.7-RC1
+		*/
+		$vars = array(
+			'search_key_array',
+			'must_contain_ids',
+			'must_not_contain_ids',
+			'must_exclude_one_ids',
+			'type',
+			'fields',
+			'terms',
+			'sort_days',
+			'sort_key',
+			'topic_id',
+			'ex_fid_ary',
+			'post_visibility',
+			'author_ary',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_native_by_keyword_modify_search_key', compact($vars)));
+
+		$search_key = md5(implode('#', $search_key_array));
 
 		// try reading the results from cache
 		$total_results = 0;
@@ -980,7 +1018,7 @@ class fulltext_native extends \phpbb\search\base
 		}
 
 		// generate a search_key from all the options to identify the results
-		$search_key = md5(implode('#', array(
+		$search_key_array = array(
 			'',
 			$type,
 			($firstpost_only) ? 'firstpost' : '',
@@ -993,7 +1031,39 @@ class fulltext_native extends \phpbb\search\base
 			$post_visibility,
 			implode(',', $author_ary),
 			$author_name,
-		)));
+		);
+
+		/**
+		* Allow changing the search_key for cached results
+		*
+		* @event core.search_native_by_author_modify_search_key
+		* @var	array	search_key_array	Array with search parameters to generate the search_key
+		* @var	string	type				Searching type ('posts', 'topics')
+		* @var	boolean	firstpost_only		Flag indicating if only topic starting posts are considered
+		* @var	int		sort_days			Time, in days, of the oldest possible post to list
+		* @var	string	sort_key			The sort type used from the possible sort types
+		* @var	int		topic_id			Limit the search to this topic_id only
+		* @var	array	ex_fid_ary			Which forums not to search on
+		* @var	string	post_visibility		Post visibility data
+		* @var	array	author_ary			Array of user_id containing the users to filter the results to
+		* @var	string	author_name			The username to search on
+		* @since 3.1.7-RC1
+		*/
+		$vars = array(
+			'search_key_array',
+			'type',
+			'firstpost_only',
+			'sort_days',
+			'sort_key',
+			'topic_id',
+			'ex_fid_ary',
+			'post_visibility',
+			'author_ary',
+			'author_name',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_native_by_author_modify_search_key', compact($vars)));
+
+		$search_key = md5(implode('#', $search_key_array));
 
 		// try reading the results from cache
 		$total_results = 0;
diff --git a/phpBB/phpbb/search/fulltext_postgres.php b/phpBB/phpbb/search/fulltext_postgres.php
index d17b26be8f..c2186b0df3 100644
--- a/phpBB/phpbb/search/fulltext_postgres.php
+++ b/phpBB/phpbb/search/fulltext_postgres.php
@@ -341,7 +341,7 @@ class fulltext_postgres extends \phpbb\search\base
 		}
 
 		// generate a search_key from all the options to identify the results
-		$search_key = md5(implode('#', array(
+		$search_key_array = array(
 			implode(', ', $this->split_words),
 			$type,
 			$fields,
@@ -352,7 +352,39 @@ class fulltext_postgres extends \phpbb\search\base
 			implode(',', $ex_fid_ary),
 			$post_visibility,
 			implode(',', $author_ary)
-		)));
+		);
+
+		/**
+		* Allow changing the search_key for cached results
+		*
+		* @event core.search_postgres_by_keyword_modify_search_key
+		* @var	array	search_key_array	Array with search parameters to generate the search_key
+		* @var	string	type				Searching type ('posts', 'topics')
+		* @var	string	fields				Searching fields ('titleonly', 'msgonly', 'firstpost', 'all')
+		* @var	string	terms				Searching terms ('all', 'any')
+		* @var	int		sort_days			Time, in days, of the oldest possible post to list
+		* @var	string	sort_key			The sort type used from the possible sort types
+		* @var	int		topic_id			Limit the search to this topic_id only
+		* @var	array	ex_fid_ary			Which forums not to search on
+		* @var	string	post_visibility		Post visibility data
+		* @var	array	author_ary			Array of user_id containing the users to filter the results to
+		* @since 3.1.7-RC1
+		*/
+		$vars = array(
+			'search_key_array',
+			'type',
+			'fields',
+			'terms',
+			'sort_days',
+			'sort_key',
+			'topic_id',
+			'ex_fid_ary',
+			'post_visibility',
+			'author_ary',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_postgres_by_keyword_modify_search_key', compact($vars)));
+
+		$search_key = md5(implode('#', $search_key_array));
 
 		if ($start < 0)
 		{
@@ -585,7 +617,7 @@ class fulltext_postgres extends \phpbb\search\base
 		}
 
 		// generate a search_key from all the options to identify the results
-		$search_key = md5(implode('#', array(
+		$search_key_array = array(
 			'',
 			$type,
 			($firstpost_only) ? 'firstpost' : '',
@@ -598,7 +630,39 @@ class fulltext_postgres extends \phpbb\search\base
 			$post_visibility,
 			implode(',', $author_ary),
 			$author_name,
-		)));
+		);
+
+		/**
+		* Allow changing the search_key for cached results
+		*
+		* @event core.search_postgres_by_author_modify_search_key
+		* @var	array	search_key_array	Array with search parameters to generate the search_key
+		* @var	string	type				Searching type ('posts', 'topics')
+		* @var	boolean	firstpost_only		Flag indicating if only topic starting posts are considered
+		* @var	int		sort_days			Time, in days, of the oldest possible post to list
+		* @var	string	sort_key			The sort type used from the possible sort types
+		* @var	int		topic_id			Limit the search to this topic_id only
+		* @var	array	ex_fid_ary			Which forums not to search on
+		* @var	string	post_visibility		Post visibility data
+		* @var	array	author_ary			Array of user_id containing the users to filter the results to
+		* @var	string	author_name			The username to search on
+		* @since 3.1.7-RC1
+		*/
+		$vars = array(
+			'search_key_array',
+			'type',
+			'firstpost_only',
+			'sort_days',
+			'sort_key',
+			'topic_id',
+			'ex_fid_ary',
+			'post_visibility',
+			'author_ary',
+			'author_name',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_postgres_by_author_modify_search_key', compact($vars)));
+
+		$search_key = md5(implode('#', $search_key_array));
 
 		if ($start < 0)
 		{
diff --git a/phpBB/phpbb/search/fulltext_sphinx.php b/phpBB/phpbb/search/fulltext_sphinx.php
index cd7add72f0..612ef8f1f3 100644
--- a/phpBB/phpbb/search/fulltext_sphinx.php
+++ b/phpBB/phpbb/search/fulltext_sphinx.php
@@ -358,6 +358,23 @@ class fulltext_sphinx
 
 		$non_unique = array('sql_query_pre' => true, 'sql_attr_uint' => true, 'sql_attr_timestamp' => true, 'sql_attr_str2ordinal' => true, 'sql_attr_bool' => true);
 		$delete = array('sql_group_column' => true, 'sql_date_column' => true, 'sql_str2ordinal_column' => true);
+
+		/**
+		* Allow adding/changing the Sphinx configuration data
+		*
+		* @event core.search_sphinx_modify_config_data
+		* @var	array	config_data	Array with the Sphinx configuration data
+		* @var	array	non_unique	Array with the Sphinx non-unique variables to delete
+		* @var	array	delete		Array with the Sphinx variables to delete
+		* @since 3.1.7-RC1
+		*/
+		$vars = array(
+			'config_data',
+			'non_unique',
+			'delete',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_sphinx_modify_config_data', compact($vars)));
+
 		foreach ($config_data as $section_name => $section_data)
 		{
 			$section = $config_object->get_section_by_name($section_name);
@@ -531,6 +548,41 @@ class fulltext_sphinx
 			$this->sphinx->SetFilter('topic_id', array($topic_id));
 		}
 
+		/**
+		* Allow modifying the Sphinx search options
+		*
+		* @event core.search_sphinx_keywords_modify_options
+		* @var	string	type				Searching type ('posts', 'topics')
+		* @var	string	fields				Searching fields ('titleonly', 'msgonly', 'firstpost', 'all')
+		* @var	string	terms				Searching terms ('all', 'any')
+		* @var	int		sort_days			Time, in days, of the oldest possible post to list
+		* @var	string	sort_key			The sort type used from the possible sort types
+		* @var	int		topic_id			Limit the search to this topic_id only
+		* @var	array	ex_fid_ary			Which forums not to search on
+		* @var	string	post_visibility		Post visibility data
+		* @var	array	author_ary			Array of user_id containing the users to filter the results to
+		* @var	string	author_name			The username to search on
+		* @var	object	sphinx				The Sphinx searchd client object
+		* @since 3.1.7-RC1
+		*/
+		$sphinx = $this->sphinx;
+		$vars = array(
+			'type',
+			'fields',
+			'terms',
+			'sort_days',
+			'sort_key',
+			'topic_id',
+			'ex_fid_ary',
+			'post_visibility',
+			'author_ary',
+			'author_name',
+			'sphinx',
+		);
+		extract($this->phpbb_dispatcher->trigger_event('core.search_sphinx_keywords_modify_options', compact($vars)));
+		$this->sphinx = $sphinx;
+		unset($sphinx);
+
 		$search_query_prefix = '';
 
 		switch ($fields)