Merge branch 'archwiki'

Conflicts:
	extensions/FluxBBAuthPlugin.php
	extensions/SyntaxHighlight_GeSHi/README
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.class.php
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.i18n.php
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.php
	extensions/SyntaxHighlight_GeSHi/geshi/docs/CHANGES
	extensions/SyntaxHighlight_GeSHi/geshi/docs/THANKS
	extensions/SyntaxHighlight_GeSHi/geshi/docs/TODO
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Class.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Class_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Constant.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Constructor.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Destructor.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Function.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Global.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/I.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Index.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Interface.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Interface_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/L.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Lminus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Lplus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Method.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Page.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Page_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateVariable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/StaticMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/StaticVariable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/T.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Tminus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Tplus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Variable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/blank.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/class_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/file.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/function_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/next_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/next_button_disabled.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/package.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/package_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/previous_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/previous_button_disabled.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/private_class_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/up_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.html
	extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.txt
	extensions/SyntaxHighlight_GeSHi/geshi/geshi.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/4cs.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502acme.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502kickass.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502tasm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/68000devpac.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/abap.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript3.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ada.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/algol68.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/apache.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/applescript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/apt_sources.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/asm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/asp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autoconf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autohotkey.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autoit.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/avisynth.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/awk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bascomavr.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bash.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/basic4gl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bibtex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/blitzbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bnf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/boo.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c_loadrunner.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c_mac.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/caddcl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cadlisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cfdg.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cfm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/chaiscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cil.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/clojure.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cmake.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cobol.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/coffeescript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cpp-qt.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/csharp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/css.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cuesheet.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/d.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dcs.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/delphi.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/diff.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/div.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dos.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dot.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/e.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ecmascript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/eiffel.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/email.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/epc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/erlang.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/euphoria.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/f1.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/falcon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fo.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fortran.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/freebasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fsharp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gambas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gdb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/genero.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/genie.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gettext.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/glsl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gnuplot.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/go.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/groovy.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gwbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/haskell.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/hicest.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/hq9plus.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/html4strict.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/html5.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/icon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/idl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ini.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/inno.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/intercal.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/io.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/j.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/java.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/java5.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/javascript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/jquery.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/kixtart.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/klonec.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/klonecpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/latex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/llvm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/locobasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/logtalk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lolcode.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusformulas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lsl2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lua.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/m68k.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/magiksf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/make.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mapbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/matlab.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mirc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mmix.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula3.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mpasm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mxml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mysql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/newlisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/nsis.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oberon2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/objc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/objeck.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml-brief.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oobas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle11.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle8.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oxygene.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oz.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pascal.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pcre.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/per.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl6.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/php-brief.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/php.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pic16.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pike.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pixelbender.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pli.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/plsql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/postgresql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/povray.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/powerbuilder.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/powershell.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/proftpd.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/progress.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/prolog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/properties.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/providex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/purebasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pycon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/python.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/q.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/qbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rails.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rebol.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/reg.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/robots.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rpmspec.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rsplus.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ruby.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scala.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scheme.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scilab.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sdlbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/smalltalk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/smarty.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/systemverilog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/tcl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/teraterm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/text.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/thinbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/tsql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/typoscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/unicon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/uscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vala.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vbnet.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/verilog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vhdl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vim.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualfoxpro.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualprolog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/whitespace.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/whois.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/winbatch.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xorg_conf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/yaml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/z80.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/zxbasic.php

1 files changed, 371 insertions, 0 deletions

diff --git a/extensions/SpamBlacklist/BaseBlacklist.php b/extensions/SpamBlacklist/BaseBlacklist.php
new file mode 100644
index 00000000..280a614a
--- /dev/null
+++ b/extensions/SpamBlacklist/BaseBlacklist.php
@@ -0,0 +1,371 @@
+<?php
+
+/**
+ * Base class for different kinds of blacklists
+ */
+abstract class BaseBlacklist {
+	/**
+	 * Array of blacklist sources
+	 *
+	 * @var array
+	 */
+	public $files = array();
+
+	/**
+	 * Array containing regexes to test against
+	 *
+	 * @var bool|array
+	 */
+	protected $regexes = false;
+
+	/**
+	 * Chance of receiving a warning when the filter is hit
+	 *
+	 * @var int
+	 */
+	public $warningChance = 100;
+
+	/**
+	 * @var int
+	 */
+	public $warningTime = 600;
+
+	/**
+	 * @var int
+	 */
+	public $expiryTime = 900;
+
+	/**
+	 * Array containing blacklists that extend BaseBlacklist
+	 *
+	 * @var array
+	 */
+	private static $blacklistTypes = array(
+		'spam' => 'SpamBlacklist',
+		'email' => 'EmailBlacklist',
+	);
+
+	/**
+	 * Array of blacklist instances
+	 *
+	 * @var array
+	 */
+	private static $instances = array();
+
+	/**
+	 * Constructor
+	 *
+	 * @param array $settings
+	 */
+	function __construct( $settings = array() ) {
+		foreach ( $settings as $name => $value ) {
+			$this->$name = $value;
+		}
+	}
+
+	/**
+	 * Adds a blacklist class to the registry
+	 *
+	 * @param $type string
+	 * @param $class string
+	 */
+	public static function addBlacklistType( $type, $class ) {
+		self::$blacklistTypes[$type] = $class;
+	}
+
+	/**
+	 * Return the array of blacklist types currently defined
+	 *
+	 * @return array
+	 */
+	public static function getBlacklistTypes() {
+		return self::$blacklistTypes;
+	}
+
+	/**
+	 * Returns an instance of the given blacklist
+	 *
+	 * @param $type string Code for the blacklist
+	 * @return BaseBlacklist
+	 * @throws MWException
+	 */
+	public static function getInstance( $type ) {
+		if ( !isset( self::$blacklistTypes[$type] ) ) {
+			throw new MWException( "Invalid blacklist type '$type' passed to " . __METHOD__ );
+		}
+
+		if ( !isset( self::$instances[$type] ) ) {
+			global $wgBlacklistSettings;
+
+			// Prevent notices
+			if ( !isset( $wgBlacklistSettings[$type] ) ) {
+				$wgBlacklistSettings[$type] = array();
+			}
+
+			self::$instances[$type] = new self::$blacklistTypes[$type]( $wgBlacklistSettings[$type] );
+		}
+
+		return self::$instances[$type];
+	}
+
+	/**
+	 * Returns the code for the blacklist implementation
+	 *
+	 * @return string
+	 */
+	abstract protected function getBlacklistType();
+
+	/**
+	 * Check if the given local page title is a spam regex source.
+	 *
+	 * @param Title $title
+	 * @return bool
+	 */
+	public static function isLocalSource( Title $title ) {
+		global $wgDBname, $wgBlacklistSettings;
+
+		if( $title->getNamespace() == NS_MEDIAWIKI ) {
+			$sources = array();
+			foreach ( self::$blacklistTypes as $type => $class ) {
+				$type = ucfirst( $type );
+				$sources += array(
+					"$type-blacklist",
+					"$type-whitelist"
+				);
+			}
+
+			if( in_array( $title->getDBkey(), $sources ) ) {
+				return true;
+			}
+		}
+
+		$thisHttp = wfExpandUrl( $title->getFullUrl( 'action=raw' ), PROTO_HTTP );
+		$thisHttpRegex = '/^' . preg_quote( $thisHttp, '/' ) . '(?:&.*)?$/';
+
+		$files = array();
+		foreach ( self::$blacklistTypes as $type => $class ) {
+			if ( isset( $wgBlacklistSettings[$type]['files'] ) ) {
+				$files += $wgBlacklistSettings[$type]['files'];
+			}
+		}
+
+		foreach( $files as $fileName ) {
+			$matches = array();
+			if ( preg_match( '/^DB: (\w*) (.*)$/', $fileName, $matches ) ) {
+				if ( $wgDBname == $matches[1] ) {
+					if( $matches[2] == $title->getPrefixedDbKey() ) {
+						// Local DB fetch of this page...
+						return true;
+					}
+				}
+			} elseif( preg_match( $thisHttpRegex, $fileName ) ) {
+				// Raw view of this page
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Returns the type of blacklist from the given title
+	 *
+	 * @param Title $title
+	 * @return bool|string
+	 */
+	public static function getTypeFromTitle( Title $title ) {
+		$types = array_map( 'preg_quote', array_keys( self::$blacklistTypes ), array( '/' ) );
+		$regex = '/(' . implode( '|', $types ).  ')-(?:Blacklist|Whitelist)/';
+
+		if ( preg_match( $regex, $title->getDBkey(), $m ) ) {
+			return strtolower( $m[1] );
+		}
+
+		return false;
+	}
+
+	/**
+	 * Fetch local and (possibly cached) remote blacklists.
+	 * Will be cached locally across multiple invocations.
+	 * @return array set of regular expressions, potentially empty.
+	 */
+	function getBlacklists() {
+		if( $this->regexes === false ) {
+			$this->regexes = array_merge(
+				$this->getLocalBlacklists(),
+				$this->getSharedBlacklists() );
+		}
+		return $this->regexes;
+	}
+
+	/**
+	 * Returns the local blacklist
+	 *
+	 * @return array Regular expressions
+	 */
+	public function getLocalBlacklists() {
+		return SpamRegexBatch::regexesFromMessage( "{$this->getBlacklistType()}-blacklist", $this );
+	}
+
+	/**
+	 * Returns the (local) whitelist
+	 *
+	 * @return array Regular expressions
+	 */
+	public function getWhitelists() {
+		return SpamRegexBatch::regexesFromMessage( "{$this->getBlacklistType()}-whitelist", $this );
+	}
+
+	/**
+	 * Fetch (possibly cached) remote blacklists.
+	 * @return array
+	 */
+	function getSharedBlacklists() {
+		global $wgMemc, $wgDBname;
+		$listType = $this->getBlacklistType();
+		$fname = 'SpamBlacklist::getRegex';
+		wfProfileIn( $fname );
+
+		wfDebugLog( 'SpamBlacklist', "Loading $listType regex..." );
+
+		if ( count( $this->files ) == 0 ){
+			# No lists
+			wfDebugLog( 'SpamBlacklist', "no files specified\n" );
+			wfProfileOut( $fname );
+			return array();
+		}
+
+		// This used to be cached per-site, but that could be bad on a shared
+		// server where not all wikis have the same configuration.
+		$cachedRegexes = $wgMemc->get( "$wgDBname:{$listType}_blacklist_regexes" );
+		if( is_array( $cachedRegexes ) ) {
+			wfDebugLog( 'SpamBlacklist', "Got shared spam regexes from cache\n" );
+			wfProfileOut( $fname );
+			return $cachedRegexes;
+		}
+
+		$regexes = $this->buildSharedBlacklists();
+		$wgMemc->set( "$wgDBname:{$listType}_blacklist_regexes", $regexes, $this->expiryTime );
+
+		return $regexes;
+	}
+
+	function clearCache() {
+		global $wgMemc, $wgDBname;
+		$listType = $this->getBlacklistType();
+
+		$wgMemc->delete( "$wgDBname:{$listType}_blacklist_regexes" );
+		wfDebugLog( 'SpamBlacklist', "$listType blacklist local cache cleared.\n" );
+	}
+
+	function buildSharedBlacklists() {
+		$regexes = array();
+		$listType = $this->getBlacklistType();
+		# Load lists
+		wfDebugLog( 'SpamBlacklist', "Constructing $listType blacklist\n" );
+		foreach ( $this->files as $fileName ) {
+			$matches = array();
+			if ( preg_match( '/^DB: ([\w-]*) (.*)$/', $fileName, $matches ) ) {
+				$text = $this->getArticleText( $matches[1], $matches[2] );
+			} elseif ( preg_match( '/^http:\/\//', $fileName ) ) {
+				$text = $this->getHttpText( $fileName );
+			} else {
+				$text = file_get_contents( $fileName );
+				wfDebugLog( 'SpamBlacklist', "got from file $fileName\n" );
+			}
+
+			// Build a separate batch of regexes from each source.
+			// While in theory we could squeeze a little efficiency
+			// out of combining multiple sources in one regex, if
+			// there's a bad line in one of them we'll gain more
+			// from only having to break that set into smaller pieces.
+			$regexes = array_merge( $regexes,
+				SpamRegexBatch::regexesFromText( $text, $this, $fileName ) );
+		}
+
+		return $regexes;
+	}
+
+	function getHttpText( $fileName ) {
+		global $wgDBname, $messageMemc;
+		$listType = $this->getBlacklistType();
+
+		# HTTP request
+		# To keep requests to a minimum, we save results into $messageMemc, which is
+		# similar to $wgMemc except almost certain to exist. By default, it is stored
+		# in the database
+		#
+		# There are two keys, when the warning key expires, a random thread will refresh
+		# the real key. This reduces the chance of multiple requests under high traffic
+		# conditions.
+		$key = "{$listType}_blacklist_file:$fileName";
+		$warningKey = "$wgDBname:{$listType}filewarning:$fileName";
+		$httpText = $messageMemc->get( $key );
+		$warning = $messageMemc->get( $warningKey );
+
+		if ( !is_string( $httpText ) || ( !$warning && !mt_rand( 0, $this->warningChance ) ) ) {
+			wfDebugLog( 'SpamBlacklist', "Loading $listType blacklist from $fileName\n" );
+			$httpText = Http::get( $fileName );
+			if( $httpText === false ) {
+				wfDebugLog( 'SpamBlacklist', "Error loading $listType blacklist from $fileName\n" );
+			}
+			$messageMemc->set( $warningKey, 1, $this->warningTime );
+			$messageMemc->set( $key, $httpText, $this->expiryTime );
+		} else {
+			wfDebugLog( 'SpamBlacklist', "Got $listType blacklist from HTTP cache for $fileName\n" );
+		}
+		return $httpText;
+	}
+
+	/**
+	 * Fetch an article from this or another local MediaWiki database.
+	 * This is probably *very* fragile, and shouldn't be used perhaps.
+	 *
+	 * @param string $db
+	 * @param string $article
+	 * @return string
+	 */
+	function getArticleText( $db, $article ) {
+		wfDebugLog( 'SpamBlacklist', "Fetching {$this->getBlacklistType()} spam blacklist from '$article' on '$db'...\n" );
+		global $wgDBname;
+		$dbr = wfGetDB( DB_READ );
+		$dbr->selectDB( $db );
+		$text = false;
+		if ( $dbr->tableExists( 'page' ) ) {
+			// 1.5 schema
+			$dbw = wfGetDB( DB_READ );
+			$dbw->selectDB( $db );
+			$revision = Revision::newFromTitle( Title::newFromText( $article ) );
+			if ( $revision ) {
+				$text = $revision->getText();
+			}
+			$dbw->selectDB( $wgDBname );
+		} else {
+			// 1.4 schema
+			$title = Title::newFromText( $article );
+			$text = $dbr->selectField( 'cur', 'cur_text', array( 'cur_namespace' => $title->getNamespace(),
+				'cur_title' => $title->getDBkey() ), __METHOD__ );
+		}
+		$dbr->selectDB( $wgDBname );
+		return strval( $text );
+	}
+
+	/**
+	 * Returns the start of the regex for matches
+	 *
+	 * @return string
+	 */
+	public function getRegexStart() {
+		return '/[a-z0-9_\-.]*';
+	}
+
+	/**
+	 * Returns the end of the regex for matches
+	 *
+	 * @param $batchSize
+	 * @return string
+	 */
+	public function getRegexEnd( $batchSize ) {
+		return ($batchSize > 0 ) ? '/Sim' : '/im';
+	}
+}