diff --git a/application/applicationextension.inc.php b/application/applicationextension.inc.php
index f595a3446..d5325e861 100644
--- a/application/applicationextension.inc.php
+++ b/application/applicationextension.inc.php
@@ -181,9 +181,9 @@ interface iLogoutExtension extends iLoginExtension
 interface iLoginUIExtension extends iLoginExtension
 {
 	/**
-	 * @return LoginTwigData
+	 * @return LoginTwigContext
 	 */
-	public function GetTwigBlockData();
+	public function GetTwigContext();
 }
 
 
diff --git a/application/loginform.class.inc.php b/application/loginform.class.inc.php
index a68d7daf2..c42e4a69b 100644
--- a/application/loginform.class.inc.php
+++ b/application/loginform.class.inc.php
@@ -105,14 +105,14 @@ class LoginForm extends AbstractLoginFSMExtension implements iLoginUIExtension
 	}
 
 	/**
-	 * @return LoginTwigData
+	 * @return LoginTwigContext
 	 * @throws \Exception
 	 */
-	public function GetTwigBlockData()
+	public function GetTwigContext()
 	{
-
-		$aPostedVars = array('auth_user', 'auth_pwd');
-		$oLoginData = new LoginTwigData($aPostedVars);
+		$oLoginContext = new LoginTwigContext();
+		$oLoginContext->AddPostedVar('auth_user');
+		$oLoginContext->AddPostedVar('auth_pwd');
 
 		$sAuthUser = utils::ReadParam('auth_user', '', true, 'raw_data');
 		$sAuthPwd = utils::ReadParam('suggest_pwd', '', true, 'raw_data');
@@ -121,9 +121,9 @@ class LoginForm extends AbstractLoginFSMExtension implements iLoginUIExtension
 			'sAuthUser' => $sAuthUser,
 			'sAuthPwd' => $sAuthPwd,
 		);
-		$oLoginData->AddBlockData('login_input', new LoginBlockData('loginforminput.html.twig', $aData));
-		$oLoginData->AddBlockData('login_submit', new LoginBlockData('loginformsubmit.html.twig'));
-		$oLoginData->AddBlockData('login_form_footer', new LoginBlockData('loginformfooter.html.twig'));
+		$oLoginContext->AddBlockExtension('login_input', new LoginBlockExtension('loginforminput.html.twig', $aData));
+		$oLoginContext->AddBlockExtension('login_submit', new LoginBlockExtension('loginformsubmit.html.twig'));
+		$oLoginContext->AddBlockExtension('login_form_footer', new LoginBlockExtension('loginformfooter.html.twig'));
 
 		$bEnableResetPassword = empty(MetaModel::GetConfig()->Get('forgot_password')) ? true : MetaModel::GetConfig()->Get('forgot_password');
 		$sResetPasswordUrl = utils::GetAbsoluteUrlAppRoot() . 'pages/UI.php?loginop=forgot_pwd';
@@ -132,8 +132,8 @@ class LoginForm extends AbstractLoginFSMExtension implements iLoginUIExtension
 			'bEnableResetPassword' => $bEnableResetPassword,
 			'sResetPasswordUrl' => $sResetPasswordUrl,
 		);
-		$oLoginData->AddBlockData('login_links', new LoginBlockData('loginformlinks.html.twig', $aData));
+		$oLoginContext->AddBlockExtension('login_links', new LoginBlockExtension('loginformlinks.html.twig', $aData));
 
-		return $oLoginData;
+		return $oLoginContext;
 	}
 }
diff --git a/application/logintwig.class.inc.php b/application/logintwig.class.inc.php
index 64d98d0b3..249bbcc3d 100644
--- a/application/logintwig.class.inc.php
+++ b/application/logintwig.class.inc.php
@@ -9,61 +9,130 @@
 
 use Combodo\iTop\TwigExtension;
 
-class LoginTwigData
+/**
+ * Twig context for modules extending the login screen
+ * Class LoginTwigContext
+ */
+class LoginTwigContext
 {
-	private $aBlockData;
+	/** @var array */
+	private $aBlockExtension;
+	/** @var array */
 	private $aPostedVars;
+	/** @var string  */
 	private $sTwigLoaderPath;
-	private $sCSSFile;
+	/** @var array */
+	private $aCSSFiles;
 	/** @var array */
 	private $aJsFiles;
+	private $sTwigNameSpace;
 
 	/**
-	 * LoginTwigData constructor.
+	 * Build a context to display the twig files used
+	 * to extend the login screens
 	 *
-	 * @param array $aPostedVars
-	 * @param string $sLoaderPath
-	 * @param string $sCSSFile
-	 * @param array $aJsFiles
+	 * LoginTwigContext constructor.
+	 * @api
 	 */
-	public function __construct($aPostedVars = array(), $sLoaderPath = null, $sCSSFile = null, $aJsFiles = array())
+	public function __construct()
 	{
-		$this->aBlockData = array();
-		$this->aPostedVars = $aPostedVars;
-		$this->sTwigLoaderPath = $sLoaderPath;
-		$this->sCSSFile = $sCSSFile;
-		$this->aJsFiles = $aJsFiles;
+		$this->aBlockExtension = array();
+		$this->aPostedVars = array();
+		$this->sTwigLoaderPath = null;
+		$this->aCSSFiles = array();
+		$this->aJsFiles = array();
+		$this->sTwigNameSpace = null;
+	}
+
+	/**
+	 * Set the absolute path on disk of the folder containing the twig templates
+	 *
+	 * @param string $sPath absolute path of twig templates directory
+	 * @api
+	 */
+	public function SetLoaderPath($sPath)
+	{
+		$this->sTwigLoaderPath = $sPath;
+	}
+
+	/**
+	 * Add a Twig block extension
+	 *
+	 * @param string $sBlockName
+	 * @param LoginBlockExtension $oBlockExtension
+	 */
+	public function AddBlockExtension($sBlockName, $oBlockExtension)
+	{
+		$this->aBlockExtension[$sBlockName] = $oBlockExtension;
+	}
+
+	/**
+	 * Add a variable intended to be posted on URL (and managed) by the module.
+	 * Declaring the posted variables will prevent the core engine to manipulate these variables.
+	 *
+	 * @param string $sPostedVar Name of the posted variable
+	 * @api
+	 */
+	public function AddPostedVar($sPostedVar)
+	{
+		$this->aPostedVars[] = $sPostedVar;
+	}
+
+	/**
+	 * Add the URL of a CSS file to link to the login screen
+	 *
+	 * @param string $sFile URL of the CSS file to link
+	 * @api
+	 */
+	public function AddCSSFile($sFile)
+	{
+		$this->aCSSFiles[] = $sFile;
+	}
+
+	/**
+	 * Add the URL of a javascript file to link to the login screen
+	 * @param string $sFile URL of the javascript file to link
+	 * @api
+	 */
+	public function AddJsFile($sFile)
+	{
+		$this->aJsFiles[] = $sFile;
 	}
 
 	/**
 	 * @param string $sBlockName
-	 * @param LoginBlockData $oBlockData
+	 *
+	 * @return \LoginBlockExtension
 	 */
-	public final function AddBlockData($sBlockName, $oBlockData)
+	public function GetBlockExtension($sBlockName)
 	{
-		$this->aBlockData[$sBlockName] = $oBlockData;
+		/** @var LoginBlockExtension $oBlockExtension */
+		$oBlockExtension = isset($this->aBlockExtension[$sBlockName]) ? $this->aBlockExtension[$sBlockName] : null;
+		return $oBlockExtension;
 	}
 
-	public final function GetBlockData($sBlockName)
-	{
-		/** @var LoginBlockData $oBlockData */
-		$oBlockData = isset($this->aBlockData[$sBlockName]) ? $this->aBlockData[$sBlockName] : null;
-		return $oBlockData;
-	}
-
-	public final function GetPostedVars()
+	/**
+	 * @return array
+	 */
+	public function GetPostedVars()
 	{
 		return $this->aPostedVars;
 	}
 
-	public final function GetTwigLoaderPath()
+	/**
+	 * @return string
+	 */
+	public function GetTwigLoaderPath()
 	{
 		return $this->sTwigLoaderPath;
 	}
 
-	public final function GetCSSFile()
+	/**
+	 * @return array
+	 */
+	public function GetCSSFiles()
 	{
-		return $this->sCSSFile;
+		return $this->aCSSFiles;
 	}
 
 	/**
@@ -73,18 +142,33 @@ class LoginTwigData
 	{
 		return $this->aJsFiles;
 	}
+
 }
 
-class LoginBlockData
+/**
+ * Twig block description for login screen extension
+ * The login screen can be extended by adding twig templates
+ * to specific blocks of the login screens
+ *
+ * Class LoginBlockExtension
+ */
+class LoginBlockExtension
 {
 	private $sTwig;
 	private $aData;
 
 	/**
-	 * LoginBlockData constructor.
+	 * Create a new twig extension block
+	 * The given twig template can be HTML, CSS or JavaScript.
+	 * CSS goes to the block named 'css' and is inline in the page.
+	 * JavaScript goes to the blocks named 'script' or 'ready_script' and are inline in the page.
+	 * HTML goes to everywhere else
 	 *
-	 * @param string $sTwig
-	 * @param array $aData
+	 * LoginBlockExtension constructor.
+	 *
+	 * @param string $sTwig name of the twig file relative to the path given to the LoginTwigContext
+	 * @param array $aData Data given to the twig template (into the variable {{ aData }})
+	 * @api
 	 */
 	public function __construct($sTwig, $aData = array())
 	{
@@ -92,18 +176,22 @@ class LoginBlockData
 		$this->aData = $aData;
 	}
 
-	public final function GetTwig()
+	public function GetTwig()
 	{
 		return $this->sTwig;
 	}
 
-	public final function GetData()
+	public function GetData()
 	{
 		return $this->aData;
 	}
 }
 
-class LoginTwigContext
+/**
+ * Used by LoginWebPage to display the login screen
+ * Class LoginTwigRenderer
+ */
+class LoginTwigRenderer
 {
 	private $aLoginPluginList;
 	private $aPluginFormData;
@@ -119,14 +207,20 @@ class LoginTwigContext
 		foreach ($this->aLoginPluginList as $oLoginPlugin)
 		{
 			/** @var \iLoginUIExtension $oLoginPlugin */
-			$oLoginData = $oLoginPlugin->GetTwigBlockData();
-			$this->aPluginFormData[] = $oLoginData;
-			$sTwigLoaderPath = $oLoginData->GetTwigLoaderPath();
+			$oLoginContext = $oLoginPlugin->GetTwigContext();
+			if (is_null($oLoginContext))
+			{
+				continue;
+			}
+			$this->aPluginFormData[] = $oLoginContext;
+			$sTwigLoaderPath = $oLoginContext->GetTwigLoaderPath();
 			if ($sTwigLoaderPath != null)
 			{
-				$aTwigLoaders[] = new Twig_Loader_Filesystem($sTwigLoaderPath);
+				$oExtensionLoader = new Twig_Loader_Filesystem();
+				$oExtensionLoader->setPaths($sTwigLoaderPath);
+				$aTwigLoaders[] = $oExtensionLoader;
 			}
-			$this->aPostedVars = array_merge($this->aPostedVars, $oLoginData->GetPostedVars());
+			$this->aPostedVars = array_merge($this->aPostedVars, $oLoginContext->GetPostedVars());
 		}
 
 		$oCoreLoader = new Twig_Loader_Filesystem(array(), APPROOT.'templates');
@@ -178,9 +272,9 @@ class LoginTwigContext
 		// Render CSS links
 		foreach ($this->aPluginFormData as $oFormData)
 		{
-			/** @var \LoginTwigData $oFormData */
-			$sCSSFile = $oFormData->GetCSSFile();
-			if (!empty($sCSSFile))
+			/** @var \LoginTwigContext $oFormData */
+			$aCSSFiles = $oFormData->GetCSSFiles();
+			foreach ($aCSSFiles as $sCSSFile)
 			{
 				$oPage->add_linked_stylesheet($sCSSFile);
 			}
diff --git a/application/loginwebpage.class.inc.php b/application/loginwebpage.class.inc.php
index 28bc53908..bbe2132db 100644
--- a/application/loginwebpage.class.inc.php
+++ b/application/loginwebpage.class.inc.php
@@ -118,7 +118,7 @@ class LoginWebPage extends NiceWebPage
 
 	public function DisplayLoginForm($bFailedLogin = false)
 	{
-		$oTwigContext = new LoginTwigContext();
+		$oTwigContext = new LoginTwigRenderer();
 		$aPostedVars = array_merge(array('login_mode', 'loginop'), $oTwigContext->GetPostedVars());
 
 		$sMessage = Dict::S('UI:Login:IdentifyYourself');
@@ -171,7 +171,7 @@ class LoginWebPage extends NiceWebPage
 	{
 		$sAuthUser = utils::ReadParam('auth_user', '', true, 'raw_data');
 
-		$oTwigContext = new LoginTwigContext();
+		$oTwigContext = new LoginTwigRenderer();
 		$aVars = $oTwigContext->GetDefaultVars();
 		$aVars['sAuthUser'] = $sAuthUser;
 		$aVars['bFailedToReset'] = $bFailedToReset;
@@ -235,7 +235,7 @@ class LoginWebPage extends NiceWebPage
 					throw new Exception(Dict::S('UI:ResetPwd-Error-Send'));
 			}
 
-			$oTwigContext = new LoginTwigContext();
+			$oTwigContext = new LoginTwigRenderer();
 			$aVars = $oTwigContext->GetDefaultVars();
 			$oTwigContext->Render($this, 'forgotpwdsent.html.twig', $aVars);
 		}
@@ -253,7 +253,7 @@ class LoginWebPage extends NiceWebPage
 		UserRights::Login($sAuthUser); // Set the user's language
 		$oUser = UserRights::GetUserObject();
 
-		$oTwigContext = new LoginTwigContext();
+		$oTwigContext = new LoginTwigRenderer();
 		$aVars = $oTwigContext->GetDefaultVars();
 
 		$aVars['sAuthUser'] = $sAuthUser;
@@ -290,7 +290,7 @@ class LoginWebPage extends NiceWebPage
 		UserRights::Login($sAuthUser); // Set the user's language
 		$oUser = UserRights::GetUserObject();
 
-		$oTwigContext = new LoginTwigContext();
+		$oTwigContext = new LoginTwigRenderer();
 		$aVars = $oTwigContext->GetDefaultVars();
 
 		$aVars['sAuthUser'] = $sAuthUser;
@@ -324,7 +324,7 @@ class LoginWebPage extends NiceWebPage
 
 	public function DisplayChangePwdForm($bFailedLogin = false)
 	{
-		$oTwigContext = new LoginTwigContext();
+		$oTwigContext = new LoginTwigRenderer();
 		$aVars = $oTwigContext->GetDefaultVars();
 		$aVars['bFailedLogin'] = $bFailedLogin;
 		$oTwigContext->Render($this, 'changepwdform.html.twig', $aVars);
@@ -337,7 +337,7 @@ class LoginWebPage extends NiceWebPage
 		$sTitle = empty($sTitle) ? Dict::S('UI:LogOff:ThankYou') : $sTitle;
 		$sMessage = Dict::S('UI:LogOff:ClickHereToLoginAgain');
 
-		$oTwigContext = new LoginTwigContext();
+		$oTwigContext = new LoginTwigRenderer();
 		$aVars = $oTwigContext->GetDefaultVars();
 		$aVars['sUrl'] = $sUrl;
 		$aVars['sTitle'] = $sTitle;
diff --git a/application/utils.inc.php b/application/utils.inc.php
index 1e4c20103..dfcb9034f 100644
--- a/application/utils.inc.php
+++ b/application/utils.inc.php
@@ -2167,4 +2167,9 @@ class utils
 		}
 		return $sFullPath;
 	}
+
+	public static function GetAbsoluteModulePath($sModule)
+	{
+		return APPROOT.'env-'.utils::GetCurrentEnvironment().'/'.$sModule.'/';
+	}
 }
diff --git a/composer.readme b/composer.readme
new file mode 100644
index 000000000..20c45a532
--- /dev/null
+++ b/composer.readme
@@ -0,0 +1,2 @@
+to regenerate the autoload:
+composer dump-autoload -a
diff --git a/datamodels/2.x/authent-cas/src/CASLoginExtension.php b/datamodels/2.x/authent-cas/src/CASLoginExtension.php
index 628d71fc7..4ec302be2 100644
--- a/datamodels/2.x/authent-cas/src/CASLoginExtension.php
+++ b/datamodels/2.x/authent-cas/src/CASLoginExtension.php
@@ -13,8 +13,8 @@ use DBObjectSet;
 use Dict;
 use iLoginUIExtension;
 use iLogoutExtension;
-use LoginBlockData;
-use LoginTwigData;
+use LoginBlockExtension;
+use LoginTwigContext;
 use LoginWebPage;
 use MetaModel;
 use phpCAS;
@@ -198,23 +198,21 @@ class CASLoginExtension extends AbstractLoginFSMExtension implements iLogoutExte
 	}
 
 	/**
-	 * @return LoginTwigData
+	 * @return LoginTwigContext
 	 */
-	public function GetTwigBlockData()
+	public function GetTwigContext()
 	{
-		$sPath = APPROOT.'env-'.utils::GetCurrentEnvironment().'/authent-cas/view';
-		$oLoginData = new LoginTwigData(array(), $sPath);
+		$oLoginContext = new LoginTwigContext();
+		$oLoginContext->SetLoaderPath(APPROOT.'env-'.utils::GetCurrentEnvironment().'/authent-cas/view');
 
 		$aData = array(
 			'sLoginMode' => 'cas',
 			'sLabel' => Dict::S('CAS:Login:SignIn'),
 			'sTooltip' => Dict::S('CAS:Login:SignInTooltip'),
 		);
-		$oLoginData->AddBlockData('login_sso_buttons', new LoginBlockData('cas_sso_button.html.twig', $aData));
+		$oLoginContext->AddBlockExtension('login_sso_buttons', new LoginBlockExtension('cas_sso_button.html.twig', $aData));
 
-		$oLoginData->AddBlockData('css', new LoginBlockData('cas_css.css.twig'));
-
-		return $oLoginData;
+		return $oLoginContext;
 	}
 }
 
diff --git a/datamodels/2.x/authent-cas/view/cas_css.css.twig b/datamodels/2.x/authent-cas/view/cas_css.css.twig
deleted file mode 100644
index 678797a7b..000000000
--- a/datamodels/2.x/authent-cas/view/cas_css.css.twig
+++ /dev/null
@@ -1,2 +0,0 @@
-{# @copyright   Copyright (C) 2010-2019 Combodo SARL #}
-{# @license     http://opensource.org/licenses/AGPL-3.0 #}
diff --git a/lib/composer/autoload_classmap.php b/lib/composer/autoload_classmap.php
index e1a03a404..367d3a488 100644
--- a/lib/composer/autoload_classmap.php
+++ b/lib/composer/autoload_classmap.php
@@ -151,6 +151,7 @@ return array(
     'DBProperty' => $baseDir . '/core/dbproperty.class.inc.php',
     'DBSearch' => $baseDir . '/core/dbsearch.class.php',
     'DBUnionSearch' => $baseDir . '/core/dbunionsearch.class.php',
+    'DailyRotatingLogFileNameBuilder' => $baseDir . '/core/log.class.inc.php',
     'Dashboard' => $baseDir . '/application/dashboard.class.inc.php',
     'DashboardLayout' => $baseDir . '/application/dashboardlayout.class.inc.php',
     'DashboardLayoutMultiCol' => $baseDir . '/application/dashboardlayout.class.inc.php',
@@ -175,6 +176,7 @@ return array(
     'DataTableSettings' => $baseDir . '/application/datatable.class.inc.php',
     'Datamatrix' => $vendorDir . '/combodo/tcpdf/include/barcodes/datamatrix.php',
     'DateTimeFormat' => $baseDir . '/core/datetimeformat.class.inc.php',
+    'DefaultLogFileNameBuilder' => $baseDir . '/core/log.class.inc.php',
     'DefaultMetricComputer' => $baseDir . '/core/computing.inc.php',
     'DefaultWorkingTimeComputer' => $baseDir . '/core/computing.inc.php',
     'DeleteException' => $baseDir . '/core/deletionplan.class.inc.php',
@@ -243,6 +245,7 @@ return array(
     'HistoryBlock' => $baseDir . '/application/displayblock.class.inc.php',
     'Html2Text\\Html2Text' => $baseDir . '/application/Html2Text.php',
     'Html2Text\\Html2TextException' => $baseDir . '/application/Html2TextException.php',
+    'ILogFileNameBuilder' => $baseDir . '/core/log.class.inc.php',
     'ITopArchiveTar' => $baseDir . '/core/tar-itop.class.inc.php',
     'InlineImage' => $baseDir . '/core/inlineimage.class.inc.php',
     'InlineImageGC' => $baseDir . '/core/inlineimage.class.inc.php',
@@ -257,9 +260,10 @@ return array(
     'ListExpression' => $baseDir . '/core/oql/expression.class.inc.php',
     'ListOqlExpression' => $baseDir . '/core/oql/oqlquery.class.inc.php',
     'LogAPI' => $baseDir . '/core/log.class.inc.php',
-    'LoginBlockData' => $baseDir . '/application/logintwig.class.inc.php',
+    'LogFileNameBuilderFactory' => $baseDir . '/core/log.class.inc.php',
+    'LoginBlockExtension' => $baseDir . '/application/logintwig.class.inc.php',
     'LoginTwigContext' => $baseDir . '/application/logintwig.class.inc.php',
-    'LoginTwigData' => $baseDir . '/application/logintwig.class.inc.php',
+    'LoginTwigRenderer' => $baseDir . '/application/logintwig.class.inc.php',
     'LoginWebPage' => $baseDir . '/application/loginwebpage.class.inc.php',
     'MatchExpression' => $baseDir . '/core/oql/expression.class.inc.php',
     'MatchOqlExpression' => $baseDir . '/core/oql/oqlquery.class.inc.php',
@@ -391,6 +395,7 @@ return array(
     'RestResultWithObjects' => $baseDir . '/core/restservices.class.inc.php',
     'RestResultWithRelations' => $baseDir . '/core/restservices.class.inc.php',
     'RestUtils' => $baseDir . '/application/applicationextension.inc.php',
+    'RotatingLogFileNameBuilder' => $baseDir . '/core/log.class.inc.php',
     'RowStatus' => $baseDir . '/core/bulkchange.class.inc.php',
     'RowStatus_Disappeared' => $baseDir . '/core/bulkchange.class.inc.php',
     'RowStatus_Issue' => $baseDir . '/core/bulkchange.class.inc.php',
@@ -1878,6 +1883,7 @@ return array(
     'VariableOqlExpression' => $baseDir . '/core/oql/oqlquery.class.inc.php',
     'WebPage' => $baseDir . '/application/webpage.class.inc.php',
     'WebPageMenuNode' => $baseDir . '/application/menunode.class.inc.php',
+    'WeeklyRotatingLogFileNameBuilder' => $baseDir . '/core/log.class.inc.php',
     'WizardHelper' => $baseDir . '/application/wizardhelper.class.inc.php',
     'XLSXWriter' => $baseDir . '/application/xlsxwriter.class.php',
     'XMLBulkExport' => $baseDir . '/core/xmlbulkexport.class.inc.php',
@@ -1893,9 +1899,9 @@ return array(
     'iDBObjectSetIterator' => $baseDir . '/core/dbobjectiterator.php',
     'iDBObjectURLMaker' => $baseDir . '/application/applicationcontext.class.inc.php',
     'iDisplay' => $baseDir . '/core/dbobject.class.php',
-    'iLoginUIExtension' => $baseDir . '/application/applicationextension.inc.php',
     'iLoginExtension' => $baseDir . '/application/applicationextension.inc.php',
     'iLoginFSMExtension' => $baseDir . '/application/applicationextension.inc.php',
+    'iLoginUIExtension' => $baseDir . '/application/applicationextension.inc.php',
     'iLogoutExtension' => $baseDir . '/application/applicationextension.inc.php',
     'iMetricComputer' => $baseDir . '/core/computing.inc.php',
     'iNewsroomProvider' => $baseDir . '/application/newsroomprovider.class.inc.php',
diff --git a/lib/composer/autoload_static.php b/lib/composer/autoload_static.php
index 4d42f1855..d0bcd7557 100644
--- a/lib/composer/autoload_static.php
+++ b/lib/composer/autoload_static.php
@@ -372,6 +372,7 @@ class ComposerStaticInit0018331147de7601e7552f7da8e3bb8b
         'DBProperty' => __DIR__ . '/../..' . '/core/dbproperty.class.inc.php',
         'DBSearch' => __DIR__ . '/../..' . '/core/dbsearch.class.php',
         'DBUnionSearch' => __DIR__ . '/../..' . '/core/dbunionsearch.class.php',
+        'DailyRotatingLogFileNameBuilder' => __DIR__ . '/../..' . '/core/log.class.inc.php',
         'Dashboard' => __DIR__ . '/../..' . '/application/dashboard.class.inc.php',
         'DashboardLayout' => __DIR__ . '/../..' . '/application/dashboardlayout.class.inc.php',
         'DashboardLayoutMultiCol' => __DIR__ . '/../..' . '/application/dashboardlayout.class.inc.php',
@@ -396,6 +397,7 @@ class ComposerStaticInit0018331147de7601e7552f7da8e3bb8b
         'DataTableSettings' => __DIR__ . '/../..' . '/application/datatable.class.inc.php',
         'Datamatrix' => __DIR__ . '/..' . '/combodo/tcpdf/include/barcodes/datamatrix.php',
         'DateTimeFormat' => __DIR__ . '/../..' . '/core/datetimeformat.class.inc.php',
+        'DefaultLogFileNameBuilder' => __DIR__ . '/../..' . '/core/log.class.inc.php',
         'DefaultMetricComputer' => __DIR__ . '/../..' . '/core/computing.inc.php',
         'DefaultWorkingTimeComputer' => __DIR__ . '/../..' . '/core/computing.inc.php',
         'DeleteException' => __DIR__ . '/../..' . '/core/deletionplan.class.inc.php',
@@ -464,6 +466,7 @@ class ComposerStaticInit0018331147de7601e7552f7da8e3bb8b
         'HistoryBlock' => __DIR__ . '/../..' . '/application/displayblock.class.inc.php',
         'Html2Text\\Html2Text' => __DIR__ . '/../..' . '/application/Html2Text.php',
         'Html2Text\\Html2TextException' => __DIR__ . '/../..' . '/application/Html2TextException.php',
+        'ILogFileNameBuilder' => __DIR__ . '/../..' . '/core/log.class.inc.php',
         'ITopArchiveTar' => __DIR__ . '/../..' . '/core/tar-itop.class.inc.php',
         'InlineImage' => __DIR__ . '/../..' . '/core/inlineimage.class.inc.php',
         'InlineImageGC' => __DIR__ . '/../..' . '/core/inlineimage.class.inc.php',
@@ -478,9 +481,10 @@ class ComposerStaticInit0018331147de7601e7552f7da8e3bb8b
         'ListExpression' => __DIR__ . '/../..' . '/core/oql/expression.class.inc.php',
         'ListOqlExpression' => __DIR__ . '/../..' . '/core/oql/oqlquery.class.inc.php',
         'LogAPI' => __DIR__ . '/../..' . '/core/log.class.inc.php',
-        'LoginBlockData' => __DIR__ . '/../..' . '/application/logintwig.class.inc.php',
+        'LogFileNameBuilderFactory' => __DIR__ . '/../..' . '/core/log.class.inc.php',
+        'LoginBlockExtension' => __DIR__ . '/../..' . '/application/logintwig.class.inc.php',
         'LoginTwigContext' => __DIR__ . '/../..' . '/application/logintwig.class.inc.php',
-        'LoginTwigData' => __DIR__ . '/../..' . '/application/logintwig.class.inc.php',
+        'LoginTwigRenderer' => __DIR__ . '/../..' . '/application/logintwig.class.inc.php',
         'LoginWebPage' => __DIR__ . '/../..' . '/application/loginwebpage.class.inc.php',
         'MatchExpression' => __DIR__ . '/../..' . '/core/oql/expression.class.inc.php',
         'MatchOqlExpression' => __DIR__ . '/../..' . '/core/oql/oqlquery.class.inc.php',
@@ -612,6 +616,7 @@ class ComposerStaticInit0018331147de7601e7552f7da8e3bb8b
         'RestResultWithObjects' => __DIR__ . '/../..' . '/core/restservices.class.inc.php',
         'RestResultWithRelations' => __DIR__ . '/../..' . '/core/restservices.class.inc.php',
         'RestUtils' => __DIR__ . '/../..' . '/application/applicationextension.inc.php',
+        'RotatingLogFileNameBuilder' => __DIR__ . '/../..' . '/core/log.class.inc.php',
         'RowStatus' => __DIR__ . '/../..' . '/core/bulkchange.class.inc.php',
         'RowStatus_Disappeared' => __DIR__ . '/../..' . '/core/bulkchange.class.inc.php',
         'RowStatus_Issue' => __DIR__ . '/../..' . '/core/bulkchange.class.inc.php',
@@ -2099,6 +2104,7 @@ class ComposerStaticInit0018331147de7601e7552f7da8e3bb8b
         'VariableOqlExpression' => __DIR__ . '/../..' . '/core/oql/oqlquery.class.inc.php',
         'WebPage' => __DIR__ . '/../..' . '/application/webpage.class.inc.php',
         'WebPageMenuNode' => __DIR__ . '/../..' . '/application/menunode.class.inc.php',
+        'WeeklyRotatingLogFileNameBuilder' => __DIR__ . '/../..' . '/core/log.class.inc.php',
         'WizardHelper' => __DIR__ . '/../..' . '/application/wizardhelper.class.inc.php',
         'XLSXWriter' => __DIR__ . '/../..' . '/application/xlsxwriter.class.php',
         'XMLBulkExport' => __DIR__ . '/../..' . '/core/xmlbulkexport.class.inc.php',
@@ -2114,9 +2120,9 @@ class ComposerStaticInit0018331147de7601e7552f7da8e3bb8b
         'iDBObjectSetIterator' => __DIR__ . '/../..' . '/core/dbobjectiterator.php',
         'iDBObjectURLMaker' => __DIR__ . '/../..' . '/application/applicationcontext.class.inc.php',
         'iDisplay' => __DIR__ . '/../..' . '/core/dbobject.class.php',
-        'iLoginUIExtension' => __DIR__ . '/../..' . '/application/applicationextension.inc.php',
         'iLoginExtension' => __DIR__ . '/../..' . '/application/applicationextension.inc.php',
         'iLoginFSMExtension' => __DIR__ . '/../..' . '/application/applicationextension.inc.php',
+        'iLoginUIExtension' => __DIR__ . '/../..' . '/application/applicationextension.inc.php',
         'iLogoutExtension' => __DIR__ . '/../..' . '/application/applicationextension.inc.php',
         'iMetricComputer' => __DIR__ . '/../..' . '/core/computing.inc.php',
         'iNewsroomProvider' => __DIR__ . '/../..' . '/application/newsroomprovider.class.inc.php',
diff --git a/templates/login/base.html.twig b/templates/login/base.html.twig
index 92c34589b..0f1913389 100644
--- a/templates/login/base.html.twig
+++ b/templates/login/base.html.twig
@@ -7,7 +7,7 @@
 	<div id="login-body">
 		{% block login_header %}
 			<div id="login-header">
-				{{ Macro.BlockData(aPluginFormData, 'login_header') }}
+				{{ Macro.BlockExtension(aPluginFormData, 'login_header') }}
 			</div>
 		{% endblock login_header %}
 		{% block login_logo %}
@@ -17,16 +17,18 @@
 				</a>
 			</div>
 		{% endblock login_logo %}
-		{% block login_content %}
-		{% endblock login_content %}
-		{% block login_additional_content %}
-			<div id="login-additional-content">
-				{{ Macro.BlockData(aPluginFormData, 'login_additional_content') }}
-			</div>
-		{% endblock login_additional_content %}
+		{% block login_content_outer %}
+			{% block login_content %}
+			{% endblock login_content %}
+			{% block login_additional_content %}
+				<div id="login-additional-content">
+					{{ Macro.BlockExtension(aPluginFormData, 'login_additional_content') }}
+				</div>
+			{% endblock login_additional_content %}
+		{% endblock login_content_outer %}
 		{% block login_footer %}
 			<div id="login-footer">
-				{{ Macro.BlockData(aPluginFormData, 'login_footer') }}
+				{{ Macro.BlockExtension(aPluginFormData, 'login_footer') }}
 			</div>
 		{% endblock login_footer %}
 	</div>
@@ -34,15 +36,15 @@
 
 {% block script %}
 	{% import "macros.twig" as Macro %}
-	{{ Macro.BlockData(aPluginFormData, 'script') }}
+	{{ Macro.BlockExtension(aPluginFormData, 'script') }}
 {% endblock script %}
 
 {% block ready_script %}
 	{% import "macros.twig" as Macro %}
-	{{ Macro.BlockData(aPluginFormData, 'ready_script') }}
+	{{ Macro.BlockExtension(aPluginFormData, 'ready_script') }}
 {% endblock ready_script %}
 
 {% block css %}
 	{% import "macros.twig" as Macro %}
-	{{ Macro.BlockData(aPluginFormData, 'css') }}
+	{{ Macro.BlockExtension(aPluginFormData, 'css') }}
 {% endblock css %}
diff --git a/templates/login/login.html.twig b/templates/login/login.html.twig
index f871d56ce..83ab0d0e4 100644
--- a/templates/login/login.html.twig
+++ b/templates/login/login.html.twig
@@ -22,32 +22,32 @@
 				<div id="login-form-content">
 					{% block login_sso_buttons %}
 						<div id="login-sso-buttons">
-							{{ Macro.BlockData(aPluginFormData, 'login_sso_buttons', '<div class="divider"><hr class="left"/>' ~ 'UI:Login:SeparatorOr'|dict_s ~ '<hr class="right"/></div>') }}
+							{{ Macro.BlockExtension(aPluginFormData, 'login_sso_buttons', '<div class="divider"><hr class="left"/>' ~ 'UI:Login:SeparatorOr'|dict_s ~ '<hr class="right"/></div>') }}
 						</div>
 					{% endblock login_sso_buttons %}
 					{% block login_input %}
 						<div id="login-input">
-							{{ Macro.BlockData(aPluginFormData, 'login_input') }}
+							{{ Macro.BlockExtension(aPluginFormData, 'login_input') }}
 						</div>
 					{% endblock login_input %}
 					{% block login_submit %}
 						<div id="login-submit">
-							{{ Macro.BlockData(aPluginFormData, 'login_submit') }}
+							{{ Macro.BlockExtension(aPluginFormData, 'login_submit') }}
 						</div>
 					{% endblock login_submit %}
 					{% block login_additional_controls %}
 						<div id="login-additional-controls">
-							{{ Macro.BlockData(aPluginFormData, 'login_additional_controls') }}
+							{{ Macro.BlockExtension(aPluginFormData, 'login_additional_controls') }}
 						</div>
 					{% endblock login_additional_controls %}
 					{% block login_links %}
 						<div id="login-links">
-							{{ Macro.BlockData(aPluginFormData, 'login_links') }}
+							{{ Macro.BlockExtension(aPluginFormData, 'login_links') }}
 						</div>
 					{% endblock login_links %}
 					{% block login_form_footer %}
 						<div id="login-form-footer">
-							{{ Macro.BlockData(aPluginFormData, 'login_form_footer') }}
+							{{ Macro.BlockExtension(aPluginFormData, 'login_form_footer') }}
 						</div>
 					{% endblock login_form_footer %}
 				</div>
@@ -64,7 +64,7 @@
 
 {% block login_footer %}
 	<div id="login-footer">
-		{{ Macro.BlockData(aPluginFormData, 'login_footer') }}
+		{{ Macro.BlockExtension(aPluginFormData, 'login_footer') }}
 	</div>
 {% endblock login_footer %}
 
diff --git a/templates/login/macros.twig b/templates/login/macros.twig
index 78a75e838..c353fd413 100644
--- a/templates/login/macros.twig
+++ b/templates/login/macros.twig
@@ -1,13 +1,13 @@
 {# @copyright   Copyright (C) 2010-2019 Combodo SARL #}
 {# @license     http://opensource.org/licenses/AGPL-3.0 #}
 
-{% macro BlockData(aPluginFormData, sBlockName, sText = '') %}
+{% macro BlockExtension(aPluginFormData, sBlockName, sText = '') %}
 	{% set bHaveBlock = 'false' %}
-	{% for oLoginData in aPluginFormData if (oLoginData is defined and oLoginData.GetBlockData(sBlockName)) %}
+	{% for oLoginData in aPluginFormData if (oLoginData is defined and oLoginData.GetBlockExtension(sBlockName)) %}
 		{% set bHaveBlock = 'true' %}
-		{% set oBlockData = oLoginData.GetBlockData(sBlockName) %}
-		{% set sTwig = oBlockData.GetTwig() %}
-		{% set aData = oBlockData.GetData() %}
+		{% set oBlockExtension = oLoginData.GetBlockExtension(sBlockName) %}
+		{% set sTwig = oBlockExtension.GetTwig() %}
+		{% set aData = oBlockExtension.GetData() %}
 		{% include sTwig ignore missing %}
 	{% endfor %}
 	{% if bHaveBlock == 'true' %}