Reverting #3972 and implementing clearAccessRíghts to get a similar e…

…ffect

administrator/language/en-GB/en-GB.lib_joomla.ini

@@ -626,9 +626,6 @@ JLIB_RULES_SETTING_NOTES="1. If you change the setting, it will apply to this an
 JLIB_RULES_SETTING_NOTES_ITEM="1. If you change the setting, it will apply to this item. Note that:<br /><em>Inherited</em> means that the permissions from global configuration, parent group and category will be used.<br /><em>Denied</em> means that no matter what the global configuration, parent group or category settings are, the group being edited cannot take this action on this item.<br /><em>Allowed</em> means that the group being edited will be able to take this action for this item (but if this is in conflict with the global configuration, parent group or category it will have no impact; a conflict will be indicated by <em>Not Allowed (Locked)</em> under Calculated Settings).<br />2. If you select a new setting, click <em>Save</em> to refresh the calculated settings."
 JLIB_RULES_SETTINGS_DESC="Manage the permission settings for the user groups below. See notes at the bottom."
 
-JLIB_SESSION_ERROR_INVALID_REMAINING_DATA="Unsupported session.serialize_handler: %s. Supported: php, php_binary"
-JLIB_SESSION_ERROR_UNSUPPORTED_HANDLER="Invalid data, remaining: %s"
-
 JLIB_UNKNOWN="Unknown"
 JLIB_UPDATER_ERROR_COLLECTION_FOPEN="The PHP allow_url_fopen setting is disabled. This setting must be enabled for the updater to work."
 JLIB_UPDATER_ERROR_COLLECTION_OPEN_URL="Update: :Collection: Could not open %s"

installation/sql/mysql/joomla.sql

@@ -610,8 +610,6 @@ INSERT INTO `#__extensions` (`extension_id`, `name`, `type`, `element`, `folder`
 (449, 'plg_authentication_cookie', 'plugin', 'cookie', 'authentication', 0, 1, 1, 0, '', '', '', '', 0, '0000-00-00 00:00:00', 0, 0),
 (450, 'plg_twofactorauth_yubikey', 'plugin', 'yubikey', 'twofactorauth', 0, 0, 1, 0, '', '', '', '', 0, '0000-00-00 00:00:00', 0, 0),
 (451, 'plg_search_tags', 'plugin', 'tags', 'search', 0, 1, 1, 0, '', '{"search_limit":"50","show_tagged_items":"1"}', '', '', 0, '0000-00-00 00:00:00', 0, 0),
-(452, 'plg_system_session', 'plugin', 'session', 'system', 0, 1, 1, 1, '', '', '', '', 0, '0000-00-00 00:00:00', 0, 0),
-(453, 'plg_user_session', 'plugin', 'session', 'user', 0, 1, 1, 1, '', '{"session_update_flag_name":"refresh"}', '', '', 0, '0000-00-00 00:00:00', 0, 0),
 (503, 'beez3', 'template', 'beez3', '', 0, 1, 1, 0, '', '{"wrapperSmall":"53","wrapperLarge":"72","sitetitle":"","sitedescription":"","navposition":"center","templatecolor":"nature"}', '', '', 0, '0000-00-00 00:00:00', 0, 0),
 (504, 'hathor', 'template', 'hathor', '', 1, 1, 1, 0, '', '{"showSiteName":"0","colourChoice":"0","boldText":"0"}', '', '', 0, '0000-00-00 00:00:00', 0, 0),
 (506, 'protostar', 'template', 'protostar', '', 0, 1, 1, 0, '', '{"templateColor":"","logoFile":"","googleFont":"1","googleFontName":"Open+Sans","fluidContainer":"0"}', '', '', 0, '0000-00-00 00:00:00', 0, 0),

installation/sql/postgresql/joomla.sql

@@ -609,9 +609,7 @@ INSERT INTO "#__extensions" ("extension_id", "name", "type", "element", "folder"
 (448, 'plg_twofactorauth_totp', 'plugin', 'totp', 'twofactorauth', 0, 0, 1, 0, '', '', '', '', 0, '1970-01-01 00:00:00', 0, 0),
 (449, 'plg_authentication_cookie', 'plugin', 'cookie', 'authentication', 0, 1, 1, 0, '', '', '', '', 0, '1970-01-01 00:00:00', 0, 0),
 (450, 'plg_twofactorauth_yubikey', 'plugin', 'yubikey', 'twofactorauth', 0, 0, 1, 0, '', '', '', '', 0, '1970-01-01 00:00:00', 0, 0),
-(451, 'plg_search_tags', 'plugin', 'tags', 'search', 0, 1, 1, 0, '', '{"search_limit":"50","show_tagged_items":"1"}', '', '', 0, '1970-01-01 00:00:00', 0, 0),
-(452, 'plg_system_session', 'plugin', 'session', 'system', 0, 1, 1, 1, '', '', '', '', 0, '1970-01-01 00:00:00', 0, 0),
-(453, 'plg_user_session', 'plugin', 'session', 'user', 0, 1, 1, 1, '', '{"session_update_flag_name":"refresh"}', '', '', 0, '1970-01-01 00:00:00', 0, 0);
+(451, 'plg_search_tags', 'plugin', 'tags', 'search', 0, 1, 1, 0, '', '{"search_limit":"50","show_tagged_items":"1"}', '', '', 0, '1970-01-01 00:00:00', 0, 0);
 
 -- Templates
 INSERT INTO "#__extensions" ("extension_id", "name", "type", "element", "folder", "client_id", "enabled", "access", "protected", "manifest_cache", "params", "custom_data", "system_data", "checked_out", "checked_out_time", "ordering", "state") VALUES

installation/sql/sqlazure/joomla.sql

@@ -1011,11 +1011,7 @@ SELECT 449, 'plg_authentication_cookie', 'plugin', 'cookie', 'authentication', 0
 UNION ALL
 SELECT 450, 'plg_twofactorauth_yubikey', 'plugin', 'yubikey', 'twofactorauth', 0, 0, 1, 0, '', '', '', '', 0, '1900-01-01 00:00:00', 0, 0
 UNION ALL
-SELECT 451, 'plg_search_tags', 'plugin', 'tags', 'search', 0, 1, 1, 0, '', '{"search_limit":"50","show_tagged_items":"1"}', '', '', 0, '1900-01-01 00:00:00', 0, 0
-UNION ALL
-SELECT 452, 'plg_system_session', 'plugin', 'session', 'system', 0, 1, 1, 1, '', '', '', '', 0, '1900-01-01 00:00:00', 0, 0
-UNION ALL
-SELECT 453, 'plg_user_session', 'plugin', 'session', 'user', 0, 1, 1, 1, '', '{"session_update_flag_name":"refresh"}', '', '', 0, '1900-01-01 00:00:00', 0, 0;
+SELECT 451, 'plg_search_tags', 'plugin', 'tags', 'search', 0, 1, 1, 0, '', '{"search_limit":"50","show_tagged_items":"1"}', '', '', 0, '1900-01-01 00:00:00', 0, 0;
 
 
 INSERT [#__extensions] ([extension_id], [name], [type], [element], [folder], [client_id], [enabled], [access], [protected], [manifest_cache], [params], [custom_data], [system_data], [checked_out], [checked_out_time], [ordering], [state])

language/en-GB/en-GB.lib_joomla.ini

@@ -626,9 +626,6 @@ JLIB_RULES_SETTING_NOTES="1. If you change the setting, it will apply to this an
 JLIB_RULES_SETTING_NOTES_ITEM="1. If you change the setting, it will apply to this item. Note that:<br /><em>Inherited</em> means that the permissions from global configuration, parent group and category will be used.<br /><em>Denied</em> means that no matter what the global configuration, parent group or category settings are, the group being edited cannot take this action on this item.<br /><em>Allowed</em> means that the group being edited will be able to take this action for this item (but if this is in conflict with the global configuration, parent group or category it will have no impact; a conflict will be indicated by <em>Not Allowed (Locked)</em> under Calculated Settings).<br />2. If you select a new setting, click <em>Save</em> to refresh the calculated settings."
 JLIB_RULES_SETTINGS_DESC="Manage the permission settings for the user groups below. See notes at the bottom."
 
-JLIB_SESSION_ERROR_INVALID_REMAINING_DATA="Unsupported session.serialize_handler: %s. Supported: php, php_binary"
-JLIB_SESSION_ERROR_UNSUPPORTED_HANDLER="Invalid data, remaining: %s"
-
 JLIB_UNKNOWN="Unknown"
 JLIB_UPDATER_ERROR_COLLECTION_FOPEN="The PHP allow_url_fopen setting is disabled. This setting must be enabled for the updater to work."
 JLIB_UPDATER_ERROR_COLLECTION_OPEN_URL="Update: :Collection: Could not open %s"

libraries/joomla/user/user.php

@@ -448,11 +448,10 @@ public function getAuthorisedViewLevels()
 			$this->_authLevels = array();
 		}
 
-		/*
-		 * Force loading the latest state.
-		 * Otherwise updating the user session fails because it sticks with the 'old' values.
-		 */
-		$this->_authLevels = JAccess::getAuthorisedViewLevels($this->id);
+		if (empty($this->_authLevels))
+		{
+			$this->_authLevels = JAccess::getAuthorisedViewLevels($this->id);
+		}
 
 		return $this->_authLevels;
 	}
@@ -471,15 +470,29 @@ public function getAuthorisedGroups()
 			$this->_authGroups = array();
 		}
 
-		/*
-		 * Force loading the latest state.
-		 * Otherwise updating the user session fails because it sticks with the 'old' values.
-		 */
-		$this->_authGroups = JAccess::getGroupsByUser($this->id);
+		if (empty($this->_authGroups))
+		{
+			$this->_authGroups = JAccess::getGroupsByUser($this->id);
+		}
 
 		return $this->_authGroups;
 	}
 
+	/**
+	 * Clears the access rights cache of this user
+	 *
+	 * @return  void
+	 *
+	 * @since   3.4.0
+	 */
+	public function clearAccessRíghts()
+	{
+		$this->_authLevels = null;
+		$this->_authGroups = null;
+		$this->isRoot = null;
+		JAccess::clearStatics();
+	}
+
 	/**
 	 * Pass through method to the table for setting the last visit date
 	 *