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, 420 insertions, 267 deletions

diff --git a/includes/filebackend/SwiftFileBackend.php b/includes/filebackend/SwiftFileBackend.php
index b6f0aa60..db090a98 100644
--- a/includes/filebackend/SwiftFileBackend.php
+++ b/includes/filebackend/SwiftFileBackend.php
@@ -24,7 +24,7 @@
  */
 
 /**
- * @brief Class for an OpenStack Swift based file backend.
+ * @brief Class for an OpenStack Swift (or Ceph RGW) based file backend.
  *
  * This requires the SwiftCloudFiles MediaWiki extension, which includes
  * the php-cloudfiles library (https://github.com/rackspace/php-cloudfiles).
@@ -40,11 +40,16 @@ class SwiftFileBackend extends FileBackendStore {
 	/** @var CF_Authentication */
 	protected $auth; // Swift authentication handler
 	protected $authTTL; // integer seconds
+	protected $swiftTempUrlKey; // string; shared secret value for making temp urls
 	protected $swiftAnonUser; // string; username to handle unauthenticated requests
 	protected $swiftUseCDN; // boolean; whether CloudFiles CDN is enabled
 	protected $swiftCDNExpiry; // integer; how long to cache things in the CDN
 	protected $swiftCDNPurgable; // boolean; whether object CDN purging is enabled
 
+	// Rados Gateway specific options
+	protected $rgwS3AccessKey; // string; S3 access key
+	protected $rgwS3SecretKey; // string; S3 authentication key
+
 	/** @var CF_Connection */
 	protected $conn; // Swift connection handle
 	protected $sessionStarted = 0; // integer UNIX timestamp
@@ -66,6 +71,8 @@ class SwiftFileBackend extends FileBackendStore {
 	 *   - swiftUser          : Swift user used by MediaWiki (account:username)
 	 *   - swiftKey           : Swift authentication key for the above user
 	 *   - swiftAuthTTL       : Swift authentication TTL (seconds)
+	 *   - swiftTempUrlKey    : Swift "X-Account-Meta-Temp-URL-Key" value on the account.
+	 *                          Do not set this until it has been set in the backend.
 	 *   - swiftAnonUser      : Swift user used for end-user requests (account:username).
 	 *                          If set, then views of public containers are assumed to go
 	 *                          through this user. If not set, then public containers are
@@ -84,10 +91,20 @@ class SwiftFileBackend extends FileBackendStore {
 	 *   - cacheAuthInfo      : Whether to cache authentication tokens in APC, XCache, ect.
 	 *                          If those are not available, then the main cache will be used.
 	 *                          This is probably insecure in shared hosting environments.
+	 *   - rgwS3AccessKey     : Ragos Gateway S3 "access key" value on the account.
+	 *                          Do not set this until it has been set in the backend.
+	 *                          This is used for generating expiring pre-authenticated URLs.
+	 *                          Only use this when using rgw and to work around
+	 *                          http://tracker.newdream.net/issues/3454.
+	 *   - rgwS3SecretKey     : Ragos Gateway S3 "secret key" value on the account.
+	 *                          Do not set this until it has been set in the backend.
+	 *                          This is used for generating expiring pre-authenticated URLs.
+	 *                          Only use this when using rgw and to work around
+	 *                          http://tracker.newdream.net/issues/3454.
 	 */
 	public function __construct( array $config ) {
 		parent::__construct( $config );
-		if ( !MWInit::classExists( 'CF_Constants' ) ) {
+		if ( !class_exists( 'CF_Constants' ) ) {
 			throw new MWException( 'SwiftCloudFiles extension not installed.' );
 		}
 		// Required settings
@@ -104,6 +121,9 @@ class SwiftFileBackend extends FileBackendStore {
 		$this->swiftAnonUser = isset( $config['swiftAnonUser'] )
 			? $config['swiftAnonUser']
 			: '';
+		$this->swiftTempUrlKey = isset( $config['swiftTempUrlKey'] )
+			? $config['swiftTempUrlKey']
+			: '';
 		$this->shardViaHashLevels = isset( $config['shardViaHashLevels'] )
 			? $config['shardViaHashLevels']
 			: '';
@@ -112,17 +132,23 @@ class SwiftFileBackend extends FileBackendStore {
 			: false;
 		$this->swiftCDNExpiry = isset( $config['swiftCDNExpiry'] )
 			? $config['swiftCDNExpiry']
-			: 12*3600; // 12 hours is safe (tokens last 24 hours per http://docs.openstack.org)
+			: 12 * 3600; // 12 hours is safe (tokens last 24 hours per http://docs.openstack.org)
 		$this->swiftCDNPurgable = isset( $config['swiftCDNPurgable'] )
 			? $config['swiftCDNPurgable']
 			: true;
+		$this->rgwS3AccessKey = isset( $config['rgwS3AccessKey'] )
+			? $config['rgwS3AccessKey']
+			: '';
+		$this->rgwS3SecretKey = isset( $config['rgwS3SecretKey'] )
+			? $config['rgwS3SecretKey']
+			: '';
 		// Cache container information to mask latency
 		$this->memCache = wfGetMainCache();
 		// Process cache for container info
 		$this->connContainerCache = new ProcessCacheLRU( 300 );
 		// Cache auth token information to avoid RTTs
 		if ( !empty( $config['cacheAuthInfo'] ) ) {
-			if ( php_sapi_name() === 'cli' ) {
+			if ( PHP_SAPI === 'cli' ) {
 				$this->srvCache = wfGetMainCache(); // preferrably memcached
 			} else {
 				try { // look for APC, XCache, WinCache, ect...
@@ -146,10 +172,6 @@ class SwiftFileBackend extends FileBackendStore {
 		return $relStoragePath;
 	}
 
-	/**
-	 * @see FileBackendStore::isPathUsableInternal()
-	 * @return bool
-	 */
 	public function isPathUsableInternal( $storagePath ) {
 		list( $container, $rel ) = $this->resolveStoragePathReal( $storagePath );
 		if ( $rel === null ) {
@@ -168,14 +190,26 @@ class SwiftFileBackend extends FileBackendStore {
 	}
 
 	/**
-	 * @param $disposition string Content-Disposition header value
+	 * @param array $headers
+	 * @return array
+	 */
+	protected function sanitizeHdrs( array $headers ) {
+		// By default, Swift has annoyingly low maximum header value limits
+		if ( isset( $headers['Content-Disposition'] ) ) {
+			$headers['Content-Disposition'] = $this->truncDisp( $headers['Content-Disposition'] );
+		}
+		return $headers;
+	}
+
+	/**
+	 * @param string $disposition Content-Disposition header value
 	 * @return string Truncated Content-Disposition header value to meet Swift limits
 	 */
 	protected function truncDisp( $disposition ) {
 		$res = '';
 		foreach ( explode( ';', $disposition ) as $part ) {
 			$part = trim( $part );
-			$new  = ( $res === '' ) ? $part : "{$res};{$part}";
+			$new = ( $res === '' ) ? $part : "{$res};{$part}";
 			if ( strlen( $new ) <= 255 ) {
 				$res = $new;
 			} else {
@@ -185,10 +219,6 @@ class SwiftFileBackend extends FileBackendStore {
 		return $res;
 	}
 
-	/**
-	 * @see FileBackendStore::doCreateInternal()
-	 * @return Status
-	 */
 	protected function doCreateInternal( array $params ) {
 		$status = Status::newGood();
 
@@ -201,12 +231,6 @@ class SwiftFileBackend extends FileBackendStore {
 		// (a) Check the destination container and object
 		try {
 			$dContObj = $this->getContainer( $dstCont );
-			if ( empty( $params['overwrite'] ) &&
-				$this->fileExists( array( 'src' => $params['dst'], 'latest' => 1 ) ) )
-			{
-				$status->fatal( 'backend-fail-alreadyexists', $params['dst'] );
-				return $status;
-			}
 		} catch ( NoSuchContainerException $e ) {
 			$status->fatal( 'backend-fail-create', $params['dst'] );
 			return $status;
@@ -223,31 +247,23 @@ class SwiftFileBackend extends FileBackendStore {
 			// Create a fresh CF_Object with no fields preloaded.
 			// We don't want to preserve headers, metadata, and such.
 			$obj = new CF_Object( $dContObj, $dstRel, false, false ); // skip HEAD
-			// Note: metadata keys stored as [Upper case char][[Lower case char]...]
-			$obj->metadata = array( 'Sha1base36' => $sha1Hash );
+			$obj->setMetadataValues( array( 'Sha1base36' => $sha1Hash ) );
 			// Manually set the ETag (https://github.com/rackspace/php-cloudfiles/issues/59).
 			// The MD5 here will be checked within Swift against its own MD5.
 			$obj->set_etag( md5( $params['content'] ) );
 			// Use the same content type as StreamFile for security
-			$obj->content_type = StreamFile::contentTypeFromPath( $params['dst'] );
-			if ( !strlen( $obj->content_type ) ) { // special case
-				$obj->content_type = 'unknown/unknown';
-			}
-			// Set the Content-Disposition header if requested
-			if ( isset( $params['disposition'] ) ) {
-				$obj->headers['Content-Disposition'] = $this->truncDisp( $params['disposition'] );
+			$obj->content_type = $this->getContentType( $params['dst'], $params['content'], null );
+			// Set any other custom headers if requested
+			if ( isset( $params['headers'] ) ) {
+				$obj->headers += $this->sanitizeHdrs( $params['headers'] );
 			}
 			if ( !empty( $params['async'] ) ) { // deferred
 				$op = $obj->write_async( $params['content'] );
 				$status->value = new SwiftFileOpHandle( $this, $params, 'Create', $op );
-				if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
-					$status->value->affectedObjects[] = $obj;
-				}
+				$status->value->affectedObjects[] = $obj;
 			} else { // actually write the object in Swift
 				$obj->write( $params['content'] );
-				if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
-					$this->purgeCDNCache( array( $obj ) );
-				}
+				$this->purgeCDNCache( array( $obj ) );
 			}
 		} catch ( CDNNotEnabledException $e ) {
 			// CDN not enabled; nothing to see here
@@ -271,10 +287,6 @@ class SwiftFileBackend extends FileBackendStore {
 		}
 	}
 
-	/**
-	 * @see FileBackendStore::doStoreInternal()
-	 * @return Status
-	 */
 	protected function doStoreInternal( array $params ) {
 		$status = Status::newGood();
 
@@ -287,12 +299,6 @@ class SwiftFileBackend extends FileBackendStore {
 		// (a) Check the destination container and object
 		try {
 			$dContObj = $this->getContainer( $dstCont );
-			if ( empty( $params['overwrite'] ) &&
-				$this->fileExists( array( 'src' => $params['dst'], 'latest' => 1 ) ) )
-			{
-				$status->fatal( 'backend-fail-alreadyexists', $params['dst'] );
-				return $status;
-			}
 		} catch ( NoSuchContainerException $e ) {
 			$status->fatal( 'backend-fail-copy', $params['src'], $params['dst'] );
 			return $status;
@@ -302,7 +308,9 @@ class SwiftFileBackend extends FileBackendStore {
 		}
 
 		// (b) Get a SHA-1 hash of the object
+		wfSuppressWarnings();
 		$sha1Hash = sha1_file( $params['src'] );
+		wfRestoreWarnings();
 		if ( $sha1Hash === false ) { // source doesn't exist?
 			$status->fatal( 'backend-fail-copy', $params['src'], $params['dst'] );
 			return $status;
@@ -314,18 +322,14 @@ class SwiftFileBackend extends FileBackendStore {
 			// Create a fresh CF_Object with no fields preloaded.
 			// We don't want to preserve headers, metadata, and such.
 			$obj = new CF_Object( $dContObj, $dstRel, false, false ); // skip HEAD
-			// Note: metadata keys stored as [Upper case char][[Lower case char]...]
-			$obj->metadata = array( 'Sha1base36' => $sha1Hash );
+			$obj->setMetadataValues( array( 'Sha1base36' => $sha1Hash ) );
 			// The MD5 here will be checked within Swift against its own MD5.
 			$obj->set_etag( md5_file( $params['src'] ) );
 			// Use the same content type as StreamFile for security
-			$obj->content_type = StreamFile::contentTypeFromPath( $params['dst'] );
-			if ( !strlen( $obj->content_type ) ) { // special case
-				$obj->content_type = 'unknown/unknown';
-			}
-			// Set the Content-Disposition header if requested
-			if ( isset( $params['disposition'] ) ) {
-				$obj->headers['Content-Disposition'] = $this->truncDisp( $params['disposition'] );
+			$obj->content_type = $this->getContentType( $params['dst'], null, $params['src'] );
+			// Set any other custom headers if requested
+			if ( isset( $params['headers'] ) ) {
+				$obj->headers += $this->sanitizeHdrs( $params['headers'] );
 			}
 			if ( !empty( $params['async'] ) ) { // deferred
 				wfSuppressWarnings();
@@ -337,15 +341,11 @@ class SwiftFileBackend extends FileBackendStore {
 					$op = $obj->write_async( $fp, filesize( $params['src'] ), true );
 					$status->value = new SwiftFileOpHandle( $this, $params, 'Store', $op );
 					$status->value->resourcesToClose[] = $fp;
-					if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
-						$status->value->affectedObjects[] = $obj;
-					}
+					$status->value->affectedObjects[] = $obj;
 				}
 			} else { // actually write the object in Swift
 				$obj->load_from_filename( $params['src'], true ); // calls $obj->write()
-				if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
-					$this->purgeCDNCache( array( $obj ) );
-				}
+				$this->purgeCDNCache( array( $obj ) );
 			}
 		} catch ( CDNNotEnabledException $e ) {
 			// CDN not enabled; nothing to see here
@@ -373,10 +373,6 @@ class SwiftFileBackend extends FileBackendStore {
 		}
 	}
 
-	/**
-	 * @see FileBackendStore::doCopyInternal()
-	 * @return Status
-	 */
 	protected function doCopyInternal( array $params ) {
 		$status = Status::newGood();
 
@@ -396,14 +392,10 @@ class SwiftFileBackend extends FileBackendStore {
 		try {
 			$sContObj = $this->getContainer( $srcCont );
 			$dContObj = $this->getContainer( $dstCont );
-			if ( empty( $params['overwrite'] ) &&
-				$this->fileExists( array( 'src' => $params['dst'], 'latest' => 1 ) ) )
-			{
-				$status->fatal( 'backend-fail-alreadyexists', $params['dst'] );
-				return $status;
-			}
 		} catch ( NoSuchContainerException $e ) {
-			$status->fatal( 'backend-fail-copy', $params['src'], $params['dst'] );
+			if ( empty( $params['ignoreMissingSource'] ) || isset( $sContObj ) ) {
+				$status->fatal( 'backend-fail-copy', $params['src'], $params['dst'] );
+			}
 			return $status;
 		} catch ( CloudFilesException $e ) { // some other exception?
 			$this->handleException( $e, $status, __METHOD__, $params );
@@ -414,25 +406,24 @@ class SwiftFileBackend extends FileBackendStore {
 		try {
 			$dstObj = new CF_Object( $dContObj, $dstRel, false, false ); // skip HEAD
 			$hdrs = array(); // source file headers to override with new values
-			if ( isset( $params['disposition'] ) ) {
-				$hdrs['Content-Disposition'] = $this->truncDisp( $params['disposition'] );
+			// Set any other custom headers if requested
+			if ( isset( $params['headers'] ) ) {
+				$hdrs += $this->sanitizeHdrs( $params['headers'] );
 			}
 			if ( !empty( $params['async'] ) ) { // deferred
 				$op = $sContObj->copy_object_to_async( $srcRel, $dContObj, $dstRel, null, $hdrs );
 				$status->value = new SwiftFileOpHandle( $this, $params, 'Copy', $op );
-				if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
-					$status->value->affectedObjects[] = $dstObj;
-				}
+				$status->value->affectedObjects[] = $dstObj;
 			} else { // actually write the object in Swift
 				$sContObj->copy_object_to( $srcRel, $dContObj, $dstRel, null, $hdrs );
-				if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
-					$this->purgeCDNCache( array( $dstObj ) );
-				}
+				$this->purgeCDNCache( array( $dstObj ) );
 			}
 		} catch ( CDNNotEnabledException $e ) {
 			// CDN not enabled; nothing to see here
 		} catch ( NoSuchObjectException $e ) { // source object does not exist
-			$status->fatal( 'backend-fail-copy', $params['src'], $params['dst'] );
+			if ( empty( $params['ignoreMissingSource'] ) ) {
+				$status->fatal( 'backend-fail-copy', $params['src'], $params['dst'] );
+			}
 		} catch ( CloudFilesException $e ) { // some other exception?
 			$this->handleException( $e, $status, __METHOD__, $params );
 		}
@@ -451,10 +442,6 @@ class SwiftFileBackend extends FileBackendStore {
 		}
 	}
 
-	/**
-	 * @see FileBackendStore::doMoveInternal()
-	 * @return Status
-	 */
 	protected function doMoveInternal( array $params ) {
 		$status = Status::newGood();
 
@@ -474,14 +461,10 @@ class SwiftFileBackend extends FileBackendStore {
 		try {
 			$sContObj = $this->getContainer( $srcCont );
 			$dContObj = $this->getContainer( $dstCont );
-			if ( empty( $params['overwrite'] ) &&
-				$this->fileExists( array( 'src' => $params['dst'], 'latest' => 1 ) ) )
-			{
-				$status->fatal( 'backend-fail-alreadyexists', $params['dst'] );
-				return $status;
-			}
 		} catch ( NoSuchContainerException $e ) {
-			$status->fatal( 'backend-fail-move', $params['src'], $params['dst'] );
+			if ( empty( $params['ignoreMissingSource'] ) || isset( $sContObj ) ) {
+				$status->fatal( 'backend-fail-move', $params['src'], $params['dst'] );
+			}
 			return $status;
 		} catch ( CloudFilesException $e ) { // some other exception?
 			$this->handleException( $e, $status, __METHOD__, $params );
@@ -493,27 +476,26 @@ class SwiftFileBackend extends FileBackendStore {
 			$srcObj = new CF_Object( $sContObj, $srcRel, false, false ); // skip HEAD
 			$dstObj = new CF_Object( $dContObj, $dstRel, false, false ); // skip HEAD
 			$hdrs = array(); // source file headers to override with new values
-			if ( isset( $params['disposition'] ) ) {
-				$hdrs['Content-Disposition'] = $this->truncDisp( $params['disposition'] );
+			// Set any other custom headers if requested
+			if ( isset( $params['headers'] ) ) {
+				$hdrs += $this->sanitizeHdrs( $params['headers'] );
 			}
 			if ( !empty( $params['async'] ) ) { // deferred
 				$op = $sContObj->move_object_to_async( $srcRel, $dContObj, $dstRel, null, $hdrs );
 				$status->value = new SwiftFileOpHandle( $this, $params, 'Move', $op );
 				$status->value->affectedObjects[] = $srcObj;
-				if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
-					$status->value->affectedObjects[] = $dstObj;
-				}
+				$status->value->affectedObjects[] = $dstObj;
 			} else { // actually write the object in Swift
 				$sContObj->move_object_to( $srcRel, $dContObj, $dstRel, null, $hdrs );
 				$this->purgeCDNCache( array( $srcObj ) );
-				if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
-					$this->purgeCDNCache( array( $dstObj ) );
-				}
+				$this->purgeCDNCache( array( $dstObj ) );
 			}
 		} catch ( CDNNotEnabledException $e ) {
 			// CDN not enabled; nothing to see here
 		} catch ( NoSuchObjectException $e ) { // source object does not exist
-			$status->fatal( 'backend-fail-move', $params['src'], $params['dst'] );
+			if ( empty( $params['ignoreMissingSource'] ) ) {
+				$status->fatal( 'backend-fail-move', $params['src'], $params['dst'] );
+			}
 		} catch ( CloudFilesException $e ) { // some other exception?
 			$this->handleException( $e, $status, __METHOD__, $params );
 		}
@@ -532,10 +514,6 @@ class SwiftFileBackend extends FileBackendStore {
 		}
 	}
 
-	/**
-	 * @see FileBackendStore::doDeleteInternal()
-	 * @return Status
-	 */
 	protected function doDeleteInternal( array $params ) {
 		$status = Status::newGood();
 
@@ -559,7 +537,9 @@ class SwiftFileBackend extends FileBackendStore {
 		} catch ( CDNNotEnabledException $e ) {
 			// CDN not enabled; nothing to see here
 		} catch ( NoSuchContainerException $e ) {
-			$status->fatal( 'backend-fail-delete', $params['src'] );
+			if ( empty( $params['ignoreMissingSource'] ) ) {
+				$status->fatal( 'backend-fail-delete', $params['src'] );
+			}
 		} catch ( NoSuchObjectException $e ) {
 			if ( empty( $params['ignoreMissingSource'] ) ) {
 				$status->fatal( 'backend-fail-delete', $params['src'] );
@@ -586,16 +566,45 @@ class SwiftFileBackend extends FileBackendStore {
 		}
 	}
 
-	/**
-	 * @see FileBackendStore::doPrepareInternal()
-	 * @return Status
-	 */
+	protected function doDescribeInternal( array $params ) {
+		$status = Status::newGood();
+
+		list( $srcCont, $srcRel ) = $this->resolveStoragePathReal( $params['src'] );
+		if ( $srcRel === null ) {
+			$status->fatal( 'backend-fail-invalidpath', $params['src'] );
+			return $status;
+		}
+
+		try {
+			$sContObj = $this->getContainer( $srcCont );
+			// Get the latest version of the current metadata
+			$srcObj = $sContObj->get_object( $srcRel,
+				$this->headersFromParams( array( 'latest' => true ) ) );
+			// Merge in the metadata updates...
+			if ( isset( $params['headers'] ) ) {
+				$srcObj->headers = $this->sanitizeHdrs( $params['headers'] ) + $srcObj->headers;
+			}
+			$srcObj->sync_metadata(); // save to Swift
+			$this->purgeCDNCache( array( $srcObj ) );
+		} catch ( CDNNotEnabledException $e ) {
+			// CDN not enabled; nothing to see here
+		} catch ( NoSuchContainerException $e ) {
+			$status->fatal( 'backend-fail-describe', $params['src'] );
+		} catch ( NoSuchObjectException $e ) {
+			$status->fatal( 'backend-fail-describe', $params['src'] );
+		} catch ( CloudFilesException $e ) { // some other exception?
+			$this->handleException( $e, $status, __METHOD__, $params );
+		}
+
+		return $status;
+	}
+
 	protected function doPrepareInternal( $fullCont, $dir, array $params ) {
 		$status = Status::newGood();
 
 		// (a) Check if container already exists
 		try {
-			$contObj = $this->getContainer( $fullCont );
+			$this->getContainer( $fullCont );
 			// NoSuchContainerException not thrown: container must exist
 			return $status; // already exists
 		} catch ( NoSuchContainerException $e ) {
@@ -703,10 +712,6 @@ class SwiftFileBackend extends FileBackendStore {
 		return $status;
 	}
 
-	/**
-	 * @see FileBackendStore::doCleanInternal()
-	 * @return Status
-	 */
 	protected function doCleanInternal( $fullCont, $dir, array $params ) {
 		$status = Status::newGood();
 
@@ -742,10 +747,6 @@ class SwiftFileBackend extends FileBackendStore {
 		return $status;
 	}
 
-	/**
-	 * @see FileBackendStore::doFileExists()
-	 * @return array|bool|null
-	 */
 	protected function doGetFileStat( array $params ) {
 		list( $srcCont, $srcRel ) = $this->resolveStoragePathReal( $params['src'] );
 		if ( $srcRel === null ) {
@@ -760,8 +761,8 @@ class SwiftFileBackend extends FileBackendStore {
 			$stat = array(
 				// Convert dates like "Tue, 03 Jan 2012 22:01:04 GMT" to TS_MW
 				'mtime' => wfTimestamp( TS_MW, $srcObj->last_modified ),
-				'size'  => (int)$srcObj->content_length,
-				'sha1'  => $srcObj->metadata['Sha1base36']
+				'size' => (int)$srcObj->content_length,
+				'sha1' => $srcObj->getMetadataValue( 'Sha1base36' )
 			);
 		} catch ( NoSuchContainerException $e ) {
 		} catch ( NoSuchObjectException $e ) {
@@ -776,61 +777,103 @@ class SwiftFileBackend extends FileBackendStore {
 	/**
 	 * Fill in any missing object metadata and save it to Swift
 	 *
-	 * @param $obj CF_Object
-	 * @param $path string Storage path to object
+	 * @param CF_Object $obj
+	 * @param string $path Storage path to object
 	 * @return bool Success
 	 * @throws Exception cloudfiles exceptions
 	 */
 	protected function addMissingMetadata( CF_Object $obj, $path ) {
-		if ( isset( $obj->metadata['Sha1base36'] ) ) {
+		if ( $obj->getMetadataValue( 'Sha1base36' ) !== null ) {
 			return true; // nothing to do
 		}
 		wfProfileIn( __METHOD__ );
+		trigger_error( "$path was not stored with SHA-1 metadata.", E_USER_WARNING );
 		$status = Status::newGood();
 		$scopeLockS = $this->getScopedFileLocks( array( $path ), LockManager::LOCK_UW, $status );
 		if ( $status->isOK() ) {
-			# Do not stat the file in getLocalCopy() to avoid infinite loops
-			$tmpFile = $this->getLocalCopy( array( 'src' => $path, 'latest' => 1, 'nostat' => 1 ) );
+			$tmpFile = $this->getLocalCopy( array( 'src' => $path, 'latest' => 1 ) );
 			if ( $tmpFile ) {
 				$hash = $tmpFile->getSha1Base36();
 				if ( $hash !== false ) {
-					$obj->metadata['Sha1base36'] = $hash;
+					$obj->setMetadataValues( array( 'Sha1base36' => $hash ) );
 					$obj->sync_metadata(); // save to Swift
 					wfProfileOut( __METHOD__ );
 					return true; // success
 				}
 			}
 		}
-		$obj->metadata['Sha1base36'] = false;
+		trigger_error( "Unable to set SHA-1 metadata for $path", E_USER_WARNING );
+		$obj->setMetadataValues( array( 'Sha1base36' => false ) );
 		wfProfileOut( __METHOD__ );
 		return false; // failed
 	}
 
-	/**
-	 * @see FileBackend::getFileContents()
-	 * @return bool|null|string
-	 */
-	public function getFileContents( array $params ) {
-		list( $srcCont, $srcRel ) = $this->resolveStoragePathReal( $params['src'] );
-		if ( $srcRel === null ) {
-			return false; // invalid storage path
-		}
+	protected function doGetFileContentsMulti( array $params ) {
+		$contents = array();
 
-		if ( !$this->fileExists( $params ) ) {
-			return null;
-		}
+		$ep = array_diff_key( $params, array( 'srcs' => 1 ) ); // for error logging
+		// Blindly create tmp files and stream to them, catching any exception if the file does
+		// not exist. Doing stats here is useless and will loop infinitely in addMissingMetadata().
+		foreach ( array_chunk( $params['srcs'], $params['concurrency'] ) as $pathBatch ) {
+			$cfOps = array(); // (path => CF_Async_Op)
 
-		$data = false;
-		try {
-			$sContObj = $this->getContainer( $srcCont );
-			$obj = new CF_Object( $sContObj, $srcRel, false, false ); // skip HEAD
-			$data = $obj->read( $this->headersFromParams( $params ) );
-		} catch ( NoSuchContainerException $e ) {
-		} catch ( CloudFilesException $e ) { // some other exception?
-			$this->handleException( $e, null, __METHOD__, $params );
+			foreach ( $pathBatch as $path ) { // each path in this concurrent batch
+				list( $srcCont, $srcRel ) = $this->resolveStoragePathReal( $path );
+				if ( $srcRel === null ) {
+					$contents[$path] = false;
+					continue;
+				}
+				$data = false;
+				try {
+					$sContObj = $this->getContainer( $srcCont );
+					$obj = new CF_Object( $sContObj, $srcRel, false, false ); // skip HEAD
+					// Create a new temporary memory file...
+					$handle = fopen( 'php://temp', 'wb' );
+					if ( $handle ) {
+						$headers = $this->headersFromParams( $params );
+						if ( count( $pathBatch ) > 1 ) {
+							$cfOps[$path] = $obj->stream_async( $handle, $headers );
+							$cfOps[$path]->_file_handle = $handle; // close this later
+						} else {
+							$obj->stream( $handle, $headers );
+							rewind( $handle ); // start from the beginning
+							$data = stream_get_contents( $handle );
+							fclose( $handle );
+						}
+					} else {
+						$data = false;
+					}
+				} catch ( NoSuchContainerException $e ) {
+					$data = false;
+				} catch ( NoSuchObjectException $e ) {
+					$data = false;
+				} catch ( CloudFilesException $e ) { // some other exception?
+					$data = false;
+					$this->handleException( $e, null, __METHOD__, array( 'src' => $path ) + $ep );
+				}
+				$contents[$path] = $data;
+			}
+
+			$batch = new CF_Async_Op_Batch( $cfOps );
+			$cfOps = $batch->execute();
+			foreach ( $cfOps as $path => $cfOp ) {
+				try {
+					$cfOp->getLastResponse();
+					rewind( $cfOp->_file_handle ); // start from the beginning
+					$contents[$path] = stream_get_contents( $cfOp->_file_handle );
+				} catch ( NoSuchContainerException $e ) {
+					$contents[$path] = false;
+				} catch ( NoSuchObjectException $e ) {
+					$contents[$path] = false;
+				} catch ( CloudFilesException $e ) { // some other exception?
+					$contents[$path] = false;
+					$this->handleException( $e, null, __METHOD__, array( 'src' => $path ) + $ep );
+				}
+				fclose( $cfOp->_file_handle ); // close open handle
+			}
 		}
 
-		return $data;
+		return $contents;
 	}
 
 	/**
@@ -871,27 +914,28 @@ class SwiftFileBackend extends FileBackendStore {
 	/**
 	 * Do not call this function outside of SwiftFileBackendFileList
 	 *
-	 * @param $fullCont string Resolved container name
-	 * @param $dir string Resolved storage directory with no trailing slash
-	 * @param $after string|null Storage path of file to list items after
-	 * @param $limit integer Max number of items to list
-	 * @param $params Array Includes flag for 'topOnly'
-	 * @return Array List of relative paths of dirs directly under $dir
+	 * @param string $fullCont Resolved container name
+	 * @param string $dir Resolved storage directory with no trailing slash
+	 * @param string|null $after Storage path of file to list items after
+	 * @param integer $limit Max number of items to list
+	 * @param array $params Parameters for getDirectoryList()
+	 * @return Array List of resolved paths of directories directly under $dir
+	 * @throws FileBackendError
 	 */
 	public function getDirListPageInternal( $fullCont, $dir, &$after, $limit, array $params ) {
 		$dirs = array();
 		if ( $after === INF ) {
 			return $dirs; // nothing more
 		}
-		wfProfileIn( __METHOD__ . '-' . $this->name );
 
+		$section = new ProfileSection( __METHOD__ . '-' . $this->name );
 		try {
 			$container = $this->getContainer( $fullCont );
 			$prefix = ( $dir == '' ) ? null : "{$dir}/";
 			// Non-recursive: only list dirs right under $dir
 			if ( !empty( $params['topOnly'] ) ) {
 				$objects = $container->list_objects( $limit, $after, $prefix, null, '/' );
-				foreach ( $objects as $object ) { // files and dirs
+				foreach ( $objects as $object ) { // files and directories
 					if ( substr( $object, -1 ) === '/' ) {
 						$dirs[] = $object; // directories end in '/'
 					}
@@ -903,7 +947,7 @@ class SwiftFileBackend extends FileBackendStore {
 				$objects = $container->list_objects( $limit, $after, $prefix );
 				foreach ( $objects as $object ) { // files
 					$objectDir = $this->getParentDir( $object ); // directory of object
-					if ( $objectDir !== false ) { // file has a parent dir
+					if ( $objectDir !== false && $objectDir !== $dir ) {
 						// Swift stores paths in UTF-8, using binary sorting.
 						// See function "create_container_table" in common/db.py.
 						// If a directory is not "greater" than the last one,
@@ -922,6 +966,7 @@ class SwiftFileBackend extends FileBackendStore {
 					}
 				}
 			}
+			// Page on the unfiltered directory listing (what is returned may be filtered)
 			if ( count( $objects ) < $limit ) {
 				$after = INF; // avoid a second RTT
 			} else {
@@ -931,9 +976,9 @@ class SwiftFileBackend extends FileBackendStore {
 		} catch ( CloudFilesException $e ) { // some other exception?
 			$this->handleException( $e, null, __METHOD__,
 				array( 'cont' => $fullCont, 'dir' => $dir ) );
+			throw new FileBackendError( "Got " . get_class( $e ) . " exception." );
 		}
 
-		wfProfileOut( __METHOD__ . '-' . $this->name );
 		return $dirs;
 	}
 
@@ -944,36 +989,52 @@ class SwiftFileBackend extends FileBackendStore {
 	/**
 	 * Do not call this function outside of SwiftFileBackendFileList
 	 *
-	 * @param $fullCont string Resolved container name
-	 * @param $dir string Resolved storage directory with no trailing slash
-	 * @param $after string|null Storage path of file to list items after
-	 * @param $limit integer Max number of items to list
-	 * @param $params Array Includes flag for 'topOnly'
-	 * @return Array List of relative paths of files under $dir
+	 * @param string $fullCont Resolved container name
+	 * @param string $dir Resolved storage directory with no trailing slash
+	 * @param string|null $after Storage path of file to list items after
+	 * @param integer $limit Max number of items to list
+	 * @param array $params Parameters for getDirectoryList()
+	 * @return Array List of resolved paths of files under $dir
+	 * @throws FileBackendError
 	 */
 	public function getFileListPageInternal( $fullCont, $dir, &$after, $limit, array $params ) {
 		$files = array();
 		if ( $after === INF ) {
 			return $files; // nothing more
 		}
-		wfProfileIn( __METHOD__ . '-' . $this->name );
 
+		$section = new ProfileSection( __METHOD__ . '-' . $this->name );
 		try {
 			$container = $this->getContainer( $fullCont );
 			$prefix = ( $dir == '' ) ? null : "{$dir}/";
 			// Non-recursive: only list files right under $dir
 			if ( !empty( $params['topOnly'] ) ) { // files and dirs
-				$objects = $container->list_objects( $limit, $after, $prefix, null, '/' );
-				foreach ( $objects as $object ) {
-					if ( substr( $object, -1 ) !== '/' ) {
-						$files[] = $object; // directories end in '/'
+				if ( !empty( $params['adviseStat'] ) ) {
+					$limit = min( $limit, self::CACHE_CHEAP_SIZE );
+					// Note: get_objects() does not include directories
+					$objects = $this->loadObjectListing( $params, $dir,
+						$container->get_objects( $limit, $after, $prefix, null, '/' ) );
+					$files = $objects;
+				} else {
+					$objects = $container->list_objects( $limit, $after, $prefix, null, '/' );
+					foreach ( $objects as $object ) { // files and directories
+						if ( substr( $object, -1 ) !== '/' ) {
+							$files[] = $object; // directories end in '/'
+						}
 					}
 				}
 			// Recursive: list all files under $dir and its subdirs
 			} else { // files
-				$objects = $container->list_objects( $limit, $after, $prefix );
+				if ( !empty( $params['adviseStat'] ) ) {
+					$limit = min( $limit, self::CACHE_CHEAP_SIZE );
+					$objects = $this->loadObjectListing( $params, $dir,
+						$container->get_objects( $limit, $after, $prefix ) );
+				} else {
+					$objects = $container->list_objects( $limit, $after, $prefix );
+				}
 				$files = $objects;
 			}
+			// Page on the unfiltered object listing (what is returned may be filtered)
 			if ( count( $objects ) < $limit ) {
 				$after = INF; // avoid a second RTT
 			} else {
@@ -983,29 +1044,57 @@ class SwiftFileBackend extends FileBackendStore {
 		} catch ( CloudFilesException $e ) { // some other exception?
 			$this->handleException( $e, null, __METHOD__,
 				array( 'cont' => $fullCont, 'dir' => $dir ) );
+			throw new FileBackendError( "Got " . get_class( $e ) . " exception." );
 		}
 
-		wfProfileOut( __METHOD__ . '-' . $this->name );
 		return $files;
 	}
 
 	/**
-	 * @see FileBackendStore::doGetFileSha1base36()
-	 * @return bool
+	 * Load a list of objects that belong under $dir into stat cache
+	 * and return a list of the names of the objects in the same order.
+	 *
+	 * @param array $params Parameters for getDirectoryList()
+	 * @param string $dir Resolved container directory path
+	 * @param array $cfObjects List of CF_Object items
+	 * @return array List of object names
 	 */
+	private function loadObjectListing( array $params, $dir, array $cfObjects ) {
+		$names = array();
+		$storageDir = rtrim( $params['dir'], '/' );
+		$suffixStart = ( $dir === '' ) ? 0 : strlen( $dir ) + 1; // size of "path/to/dir/"
+		// Iterate over the list *backwards* as this primes the stat cache, which is LRU.
+		// If this fills the cache and the caller stats an uncached file before stating
+		// the ones on the listing, there would be zero cache hits if this went forwards.
+		for ( end( $cfObjects ); key( $cfObjects ) !== null; prev( $cfObjects ) ) {
+			$object = current( $cfObjects );
+			$path = "{$storageDir}/" . substr( $object->name, $suffixStart );
+			$val = array(
+				// Convert dates like "Tue, 03 Jan 2012 22:01:04 GMT" to TS_MW
+				'mtime'  => wfTimestamp( TS_MW, $object->last_modified ),
+				'size'   => (int)$object->content_length,
+				'latest' => false // eventually consistent
+			);
+			$this->cheapCache->set( $path, 'stat', $val );
+			$names[] = $object->name;
+		}
+		return array_reverse( $names ); // keep the paths in original order
+	}
+
 	protected function doGetFileSha1base36( array $params ) {
 		$stat = $this->getFileStat( $params );
 		if ( $stat ) {
+			if ( !isset( $stat['sha1'] ) ) {
+				// Stat entries filled by file listings don't include SHA1
+				$this->clearCache( array( $params['src'] ) );
+				$stat = $this->getFileStat( $params );
+			}
 			return $stat['sha1'];
 		} else {
 			return false;
 		}
 	}
 
-	/**
-	 * @see FileBackendStore::doStreamFile()
-	 * @return Status
-	 */
 	protected function doStreamFile( array $params ) {
 		$status = Status::newGood();
 
@@ -1037,51 +1126,120 @@ class SwiftFileBackend extends FileBackendStore {
 		return $status;
 	}
 
-	/**
-	 * @see FileBackendStore::getLocalCopy()
-	 * @return null|TempFSFile
-	 */
-	public function getLocalCopy( array $params ) {
-		list( $srcCont, $srcRel ) = $this->resolveStoragePathReal( $params['src'] );
-		if ( $srcRel === null ) {
-			return null;
-		}
+	protected function doGetLocalCopyMulti( array $params ) {
+		$tmpFiles = array();
 
-		// Blindly create a tmp file and stream to it, catching any exception if the file does
-		// not exist. Also, doing a stat here will cause infinite loops when filling metadata.
-		$tmpFile = null;
-		try {
-			$sContObj = $this->getContainer( $srcCont );
-			$obj = new CF_Object( $sContObj, $srcRel, false, false ); // skip HEAD
-			// Get source file extension
-			$ext = FileBackend::extensionFromPath( $srcRel );
-			// Create a new temporary file...
-			$tmpFile = TempFSFile::factory( 'localcopy_', $ext );
-			if ( $tmpFile ) {
-				$handle = fopen( $tmpFile->getPath(), 'wb' );
-				if ( $handle ) {
-					$obj->stream( $handle, $this->headersFromParams( $params ) );
-					fclose( $handle );
-				} else {
-					$tmpFile = null; // couldn't open temp file
+		$ep = array_diff_key( $params, array( 'srcs' => 1 ) ); // for error logging
+		// Blindly create tmp files and stream to them, catching any exception if the file does
+		// not exist. Doing a stat here is useless causes infinite loops in addMissingMetadata().
+		foreach ( array_chunk( $params['srcs'], $params['concurrency'] ) as $pathBatch ) {
+			$cfOps = array(); // (path => CF_Async_Op)
+
+			foreach ( $pathBatch as $path ) { // each path in this concurrent batch
+				list( $srcCont, $srcRel ) = $this->resolveStoragePathReal( $path );
+				if ( $srcRel === null ) {
+					$tmpFiles[$path] = null;
+					continue;
+				}
+				$tmpFile = null;
+				try {
+					$sContObj = $this->getContainer( $srcCont );
+					$obj = new CF_Object( $sContObj, $srcRel, false, false ); // skip HEAD
+					// Get source file extension
+					$ext = FileBackend::extensionFromPath( $path );
+					// Create a new temporary file...
+					$tmpFile = TempFSFile::factory( 'localcopy_', $ext );
+					if ( $tmpFile ) {
+						$handle = fopen( $tmpFile->getPath(), 'wb' );
+						if ( $handle ) {
+							$headers = $this->headersFromParams( $params );
+							if ( count( $pathBatch ) > 1 ) {
+								$cfOps[$path] = $obj->stream_async( $handle, $headers );
+								$cfOps[$path]->_file_handle = $handle; // close this later
+							} else {
+								$obj->stream( $handle, $headers );
+								fclose( $handle );
+							}
+						} else {
+							$tmpFile = null;
+						}
+					}
+				} catch ( NoSuchContainerException $e ) {
+					$tmpFile = null;
+				} catch ( NoSuchObjectException $e ) {
+					$tmpFile = null;
+				} catch ( CloudFilesException $e ) { // some other exception?
+					$tmpFile = null;
+					$this->handleException( $e, null, __METHOD__, array( 'src' => $path ) + $ep );
 				}
+				$tmpFiles[$path] = $tmpFile;
+			}
+
+			$batch = new CF_Async_Op_Batch( $cfOps );
+			$cfOps = $batch->execute();
+			foreach ( $cfOps as $path => $cfOp ) {
+				try {
+					$cfOp->getLastResponse();
+				} catch ( NoSuchContainerException $e ) {
+					$tmpFiles[$path] = null;
+				} catch ( NoSuchObjectException $e ) {
+					$tmpFiles[$path] = null;
+				} catch ( CloudFilesException $e ) { // some other exception?
+					$tmpFiles[$path] = null;
+					$this->handleException( $e, null, __METHOD__, array( 'src' => $path ) + $ep );
+				}
+				fclose( $cfOp->_file_handle ); // close open handle
 			}
-		} catch ( NoSuchContainerException $e ) {
-			$tmpFile = null;
-		} catch ( NoSuchObjectException $e ) {
-			$tmpFile = null;
-		} catch ( CloudFilesException $e ) { // some other exception?
-			$tmpFile = null;
-			$this->handleException( $e, null, __METHOD__, $params );
 		}
 
-		return $tmpFile;
+		return $tmpFiles;
+	}
+
+	public function getFileHttpUrl( array $params ) {
+		if ( $this->swiftTempUrlKey != '' ||
+			( $this->rgwS3AccessKey != '' && $this->rgwS3SecretKey != '' ) )
+		{
+			list( $srcCont, $srcRel ) = $this->resolveStoragePathReal( $params['src'] );
+			if ( $srcRel === null ) {
+				return null; // invalid path
+			}
+			try {
+				$ttl = isset( $params['ttl'] ) ? $params['ttl'] : 86400;
+				$sContObj = $this->getContainer( $srcCont );
+				$obj = new CF_Object( $sContObj, $srcRel, false, false ); // skip HEAD
+				if ( $this->swiftTempUrlKey != '' ) {
+					return $obj->get_temp_url( $this->swiftTempUrlKey, $ttl, "GET" );
+				} else { // give S3 API URL for rgw
+					$expires = time() + $ttl;
+					// Path for signature starts with the bucket
+					$spath = '/' . rawurlencode( $srcCont ) . '/' .
+						str_replace( '%2F', '/', rawurlencode( $srcRel ) );
+					// Calculate the hash
+					$signature = base64_encode( hash_hmac(
+						'sha1',
+						"GET\n\n\n{$expires}\n{$spath}",
+						$this->rgwS3SecretKey,
+						true // raw
+					) );
+					// See http://s3.amazonaws.com/doc/s3-developer-guide/RESTAuthentication.html.
+					// Note: adding a newline for empty CanonicalizedAmzHeaders does not work.
+					return wfAppendQuery(
+						str_replace( '/swift/v1', '', // S3 API is the rgw default
+							$sContObj->cfs_http->getStorageUrl() . $spath ),
+						array(
+							'Signature' => $signature,
+							'Expires' => $expires,
+							'AWSAccessKeyId' => $this->rgwS3AccessKey )
+					);
+				}
+			} catch ( NoSuchContainerException $e ) {
+			} catch ( CloudFilesException $e ) { // some other exception?
+				$this->handleException( $e, null, __METHOD__, $params );
+			}
+		}
+		return null;
 	}
 
-	/**
-	 * @see FileBackendStore::directoriesAreVirtual()
-	 * @return bool
-	 */
 	protected function directoriesAreVirtual() {
 		return true;
 	}
@@ -1091,7 +1249,7 @@ class SwiftFileBackend extends FileBackendStore {
 	 * on a FileBackend params array, e.g. that of getLocalCopy().
 	 * $params is currently only checked for a 'latest' flag.
 	 *
-	 * @param $params Array
+	 * @param array $params
 	 * @return Array
 	 */
 	protected function headersFromParams( array $params ) {
@@ -1102,10 +1260,6 @@ class SwiftFileBackend extends FileBackendStore {
 		return $hdrs;
 	}
 
-	/**
-	 * @see FileBackendStore::doExecuteOpHandlesInternal()
-	 * @return Array List of corresponding Status objects
-	 */
 	protected function doExecuteOpHandlesInternal( array $fileOpHandles ) {
 		$statuses = array();
 
@@ -1118,8 +1272,8 @@ class SwiftFileBackend extends FileBackendStore {
 		$cfOps = $batch->execute();
 		foreach ( $cfOps as $index => $cfOp ) {
 			$status = Status::newGood();
+			$function = '_getResponse' . $fileOpHandles[$index]->call;
 			try { // catch exceptions; update status
-				$function = '_getResponse' . $fileOpHandles[$index]->call;
 				$this->$function( $cfOp, $status, $fileOpHandles[$index]->params );
 				$this->purgeCDNCache( $fileOpHandles[$index]->affectedObjects );
 			} catch ( CloudFilesException $e ) { // some other exception?
@@ -1137,12 +1291,12 @@ class SwiftFileBackend extends FileBackendStore {
 	 *
 	 * $readGrps is a list of the possible criteria for a request to have
 	 * access to read a container. Each item is one of the following formats:
-	 *   - account:user       : Grants access if the request is by the given user
-	 *   - .r:<regex>         : Grants access if the request is from a referrer host that
-	 *                          matches the expression and the request is not for a listing.
-	 *                          Setting this to '*' effectively makes a container public.
-	 *   - .rlistings:<regex> : Grants access if the request is from a referrer host that
-	 *                          matches the expression and the request for a listing.
+	 *   - account:user        : Grants access if the request is by the given user
+	 *   - ".r:<regex>"        : Grants access if the request is from a referrer host that
+	 *                           matches the expression and the request is not for a listing.
+	 *                           Setting this to '*' effectively makes a container public.
+	 *   -".rlistings:<regex>" : Grants access if the request is from a referrer host that
+	 *                           matches the expression and the request is for a listing.
 	 *
 	 * $writeGrps is a list of the possible criteria for a request to have
 	 * access to write to a container. Each item is of the following format:
@@ -1153,9 +1307,9 @@ class SwiftFileBackend extends FileBackendStore {
 	 * In general, we don't allow listings to end-users. It's not useful, isn't well-defined
 	 * (lists are truncated to 10000 item with no way to page), and is just a performance risk.
 	 *
-	 * @param $contObj CF_Container Swift container
-	 * @param $readGrps Array List of read access routes
-	 * @param $writeGrps Array List of write access routes
+	 * @param CF_Container $contObj Swift container
+	 * @param array $readGrps List of read access routes
+	 * @param array $writeGrps List of write access routes
 	 * @return Status
 	 */
 	protected function setContainerAccess(
@@ -1178,7 +1332,7 @@ class SwiftFileBackend extends FileBackendStore {
 	 * Purge the CDN cache of affected objects if CDN caching is enabled.
 	 * This is for Rackspace/Akamai CDNs.
 	 *
-	 * @param $objects Array List of CF_Object items
+	 * @param array $objects List of CF_Object items
 	 * @return void
 	 */
 	public function purgeCDNCache( array $objects ) {
@@ -1199,8 +1353,9 @@ class SwiftFileBackend extends FileBackendStore {
 	/**
 	 * Get an authenticated connection handle to the Swift proxy
 	 *
-	 * @return CF_Connection|bool False on failure
 	 * @throws CloudFilesException
+	 * @throws CloudFilesException|Exception
+	 * @return CF_Connection|bool False on failure
 	 */
 	protected function getConnection() {
 		if ( $this->connException instanceof CloudFilesException ) {
@@ -1222,12 +1377,12 @@ class SwiftFileBackend extends FileBackendStore {
 			if ( is_array( $creds ) ) { // cache hit
 				$this->auth->load_cached_credentials(
 					$creds['auth_token'], $creds['storage_url'], $creds['cdnm_url'] );
-				$this->sessionStarted = time() - ceil( $this->authTTL/2 ); // skew for worst case
+				$this->sessionStarted = time() - ceil( $this->authTTL / 2 ); // skew for worst case
 			} else { // cache miss
 				try {
 					$this->auth->authenticate();
 					$creds = $this->auth->export_credentials();
-					$this->srvCache->add( $cacheKey, $creds, ceil( $this->authTTL/2 ) ); // cache
+					$this->srvCache->add( $cacheKey, $creds, ceil( $this->authTTL / 2 ) ); // cache
 					$this->sessionStarted = time();
 				} catch ( CloudFilesException $e ) {
 					$this->connException = $e; // don't keep re-trying
@@ -1251,6 +1406,7 @@ class SwiftFileBackend extends FileBackendStore {
 	protected function closeConnection() {
 		if ( $this->conn ) {
 			$this->conn->close(); // close active cURL handles in CF_Http object
+			$this->conn = null;
 			$this->sessionStarted = 0;
 			$this->connContainerCache->clear();
 		}
@@ -1259,7 +1415,7 @@ class SwiftFileBackend extends FileBackendStore {
 	/**
 	 * Get the cache key for a container
 	 *
-	 * @param $username string
+	 * @param string $username
 	 * @return string
 	 */
 	private function getCredsCacheKey( $username ) {
@@ -1267,18 +1423,11 @@ class SwiftFileBackend extends FileBackendStore {
 	}
 
 	/**
-	 * @see FileBackendStore::doClearCache()
-	 */
-	protected function doClearCache( array $paths = null ) {
-		$this->connContainerCache->clear(); // clear container object cache
-	}
-
-	/**
 	 * Get a Swift container object, possibly from process cache.
 	 * Use $reCache if the file count or byte count is needed.
 	 *
-	 * @param $container string Container name
-	 * @param $bypassCache bool Bypass all caches and load from Swift
+	 * @param string $container Container name
+	 * @param bool $bypassCache Bypass all caches and load from Swift
 	 * @return CF_Container
 	 * @throws CloudFilesException
 	 */
@@ -1305,7 +1454,7 @@ class SwiftFileBackend extends FileBackendStore {
 	/**
 	 * Create a Swift container
 	 *
-	 * @param $container string Container name
+	 * @param string $container Container name
 	 * @return CF_Container
 	 * @throws CloudFilesException
 	 */
@@ -1319,7 +1468,7 @@ class SwiftFileBackend extends FileBackendStore {
 	/**
 	 * Delete a Swift container
 	 *
-	 * @param $container string Container name
+	 * @param string $container Container name
 	 * @return void
 	 * @throws CloudFilesException
 	 */
@@ -1329,10 +1478,6 @@ class SwiftFileBackend extends FileBackendStore {
 		$conn->delete_container( $container );
 	}
 
-	/**
-	 * @see FileBackendStore::doPrimeContainerCache()
-	 * @return void
-	 */
 	protected function doPrimeContainerCache( array $containerInfo ) {
 		try {
 			$conn = $this->getConnection(); // Swift proxy connection
@@ -1350,10 +1495,10 @@ class SwiftFileBackend extends FileBackendStore {
 	 * Log an unexpected exception for this backend.
 	 * This also sets the Status object to have a fatal error.
 	 *
-	 * @param $e Exception
-	 * @param $status Status|null
-	 * @param $func string
-	 * @param $params Array
+	 * @param Exception $e
+	 * @param Status $status|null
+	 * @param string $func
+	 * @param array $params
 	 * @return void
 	 */
 	protected function handleException( Exception $e, $status, $func, array $params ) {
@@ -1387,7 +1532,15 @@ class SwiftFileOpHandle extends FileBackendStoreOpHandle {
 	/** @var Array */
 	public $affectedObjects = array();
 
-	public function __construct( $backend, array $params, $call, CF_Async_Op $cfOp ) {
+	/**
+	 * @param SwiftFileBackend $backend
+	 * @param array $params
+	 * @param string $call
+	 * @param CF_Async_Op $cfOp
+	 */
+	public function __construct(
+		SwiftFileBackend $backend, array $params, $call, CF_Async_Op $cfOp
+	) {
 		$this->backend = $backend;
 		$this->params = $params;
 		$this->call = $call;
@@ -1419,10 +1572,10 @@ abstract class SwiftFileBackendList implements Iterator {
 	const PAGE_SIZE = 9000; // file listing buffer size
 
 	/**
-	 * @param $backend SwiftFileBackend
-	 * @param $fullCont string Resolved container name
-	 * @param $dir string Resolved directory relative to container
-	 * @param $params Array
+	 * @param SwiftFileBackend $backend
+	 * @param string $fullCont Resolved container name
+	 * @param string $dir Resolved directory relative to container
+	 * @param array $params
 	 */
 	public function __construct( SwiftFileBackend $backend, $fullCont, $dir, array $params ) {
 		$this->backend = $backend;
@@ -1491,12 +1644,12 @@ abstract class SwiftFileBackendList implements Iterator {
 	/**
 	 * Get the given list portion (page)
 	 *
-	 * @param $container string Resolved container name
-	 * @param $dir string Resolved path relative to container
-	 * @param $after string|null
-	 * @param $limit integer
-	 * @param $params Array
-	 * @return Traversable|Array|null Returns null on failure
+	 * @param string $container Resolved container name
+	 * @param string $dir Resolved path relative to container
+	 * @param string $after|null
+	 * @param integer $limit
+	 * @param array $params
+	 * @return Traversable|Array
 	 */
 	abstract protected function pageFromList( $container, $dir, &$after, $limit, array $params );
 }
@@ -1515,7 +1668,7 @@ class SwiftFileBackendDirList extends SwiftFileBackendList {
 
 	/**
 	 * @see SwiftFileBackendList::pageFromList()
-	 * @return Array|null
+	 * @return Array
 	 */
 	protected function pageFromList( $container, $dir, &$after, $limit, array $params ) {
 		return $this->backend->getDirListPageInternal( $container, $dir, $after, $limit, $params );
@@ -1536,7 +1689,7 @@ class SwiftFileBackendFileList extends SwiftFileBackendList {
 
 	/**
 	 * @see SwiftFileBackendList::pageFromList()
-	 * @return Array|null
+	 * @return Array
 	 */
 	protected function pageFromList( $container, $dir, &$after, $limit, array $params ) {
 		return $this->backend->getFileListPageInternal( $container, $dir, $after, $limit, $params );