diff --git a/advancedcontentfilter/advancedcontentfilter.php b/advancedcontentfilter/advancedcontentfilter.php
index d7af3eee2..aedd6e8c9 100644
--- a/advancedcontentfilter/advancedcontentfilter.php
+++ b/advancedcontentfilter/advancedcontentfilter.php
@@ -200,7 +200,7 @@ function advancedcontentfilter_content(App $a)
 	}
 
 	if (DI::args()->getArgc() > 1 && DI::args()->getArgv()[1] == 'help') {
-		$lang = $a->user['language'];
+		$lang = $a->getUserValue('language');
 
 		$default_dir = 'addon/advancedcontentfilter/doc/';
 		$help_file = 'advancedcontentfilter.md';
diff --git a/ifttt/ifttt.php b/ifttt/ifttt.php
index 67ffdd858..2cf452120 100644
--- a/ifttt/ifttt.php
+++ b/ifttt/ifttt.php
@@ -57,7 +57,7 @@ function ifttt_settings(App $a, &$s)
 	$s .= '<div id="ifttt-configuration-wrapper">';
 	$s .= '<p>' . DI::l10n()->t('Create an account at <a href="http://www.ifttt.com">IFTTT</a>. Create three Facebook recipes that are connected with <a href="https://ifttt.com/maker">Maker</a> (In the form "if Facebook then Maker") with the following parameters:') . '</p>';
 	$s .= '<h4>URL</h4>';
-	$s .= '<p>' . DI::baseUrl()->get() . '/ifttt/' . $a->user['nickname'] . '</p>';
+	$s .= '<p>' . DI::baseUrl()->get() . '/ifttt/' . $a->getNickname() . '</p>';
 	$s .= '<h4>Method</h4>';
 	$s .= '<p>POST</p>';
 	$s .= '<h4>Content Type</h4>';
diff --git a/jappixmini/jappixmini.php b/jappixmini/jappixmini.php
index 0333d8ecf..3d1a19727 100644
--- a/jappixmini/jappixmini.php
+++ b/jappixmini/jappixmini.php
@@ -283,7 +283,7 @@ function jappixmini_settings(App $a, &$s)
 	}
 
 	if (($username == "") && DI::config()->get("jappixmini", "default_user")) {
-		$username = $a->user["nickname"];
+		$username = $a->getNickname();
 	}
 
 	$info_text = DI::config()->get("jappixmini", "infotext");
diff --git a/langfilter/langfilter.php b/langfilter/langfilter.php
index 0cf3e552c..aaf6d16f6 100644
--- a/langfilter/langfilter.php
+++ b/langfilter/langfilter.php
@@ -105,7 +105,7 @@ function langfilter_prepare_body_content_filter(App $a, &$hook_data)
 
 	// Never filter own messages
 	// TODO: find a better way to extract this
-	$logged_user_profile = DI::baseUrl()->get() . '/profile/' . $a->user['nickname'];
+	$logged_user_profile = DI::baseUrl()->get() . '/profile/' . $a->getNickname();
 	if ($logged_user_profile == $hook_data['item']['author-link']) {
 		return;
 	}
diff --git a/opmlexport/opmlexport.php b/opmlexport/opmlexport.php
index ca65cbaab..28689f5d7 100644
--- a/opmlexport/opmlexport.php
+++ b/opmlexport/opmlexport.php
@@ -43,8 +43,8 @@ function opmlexport(App $a)
 	$head = $xml->createElement('head');
 	$body = $xml->createElement('body');
 	$outline = $xml->createElement('outline');
-	$outline->setAttribute('title', $a->user['username'] . '\'s RSS/Atom contacts');
-	$outline->setAttribute('text', $a->user['username'] . '\'s RSS/Atom contacts');
+	$outline->setAttribute('title', $a->getUserValue('username') . '\'s RSS/Atom contacts');
+	$outline->setAttribute('text', $a->getUserValue('username') . '\'s RSS/Atom contacts');
 
 	foreach($data as $c) {
 		$entry = $xml->createElement('outline');
diff --git a/securemail/SecureTestEmail.php b/securemail/SecureTestEmail.php
index 8341f5451..b40f3a6f1 100644
--- a/securemail/SecureTestEmail.php
+++ b/securemail/SecureTestEmail.php
@@ -52,7 +52,7 @@ class SecureTestEmail extends Email
 		// enable addon for test
 		$pConfig->set(local_user(), 'securemail', 'enable', 1);
 
-		parent::__construct($sitename, $sender_email, $sender_email, $a->user['email'],
+		parent::__construct($sitename, $sender_email, $sender_email, $a->getUserValue('email'),
 			$subject, "<p>{$message}</p>", $message,
 			[], local_user());
 	}
diff --git a/statusnet/statusnet.php b/statusnet/statusnet.php
index 6f4c3e20d..d0e96a01d 100644
--- a/statusnet/statusnet.php
+++ b/statusnet/statusnet.php
@@ -334,7 +334,7 @@ function statusnet_settings(App $a, &$s)
 				$s .= '<div id="statusnet-info" ><img id="statusnet-avatar" src="' . $details->profile_image_url . '" /><p id="statusnet-info-block">' . DI::l10n()->t('Currently connected to: ') . '<a href="' . $details->statusnet_profile_url . '" target="_statusnet">' . $details->screen_name . '</a><br /><em>' . $details->description . '</em></p></div>';
 			}
 			$s .= '<p>' . DI::l10n()->t('If enabled all your <strong>public</strong> postings can be posted to the associated GNU Social account. You can choose to do so by default (here) or for every posting separately in the posting options when writing the entry.') . '</p>';
-			if ($a->user['hidewall']) {
+			if ($a->getUserValue('hidewall')) {
 				$s .= '<p>' . DI::l10n()->t('<strong>Note</strong>: Due your privacy settings (<em>Hide your profile details from unknown viewers?</em>) the link potentially included in public postings relayed to GNU Social will lead the visitor to a blank page informing the visitor that the access to your profile has been restricted.') . '</p>';
 			}
 			$s .= '<div id="statusnet-enable-wrapper">';
diff --git a/twitter/twitter.php b/twitter/twitter.php
index 8bc5940cf..90e676100 100644
--- a/twitter/twitter.php
+++ b/twitter/twitter.php
@@ -146,7 +146,7 @@ function twitter_follow(App $a, array &$contact)
 	$nickname = preg_replace("=https?://twitter.com/(.*)=ism", "$1", $contact["url"]);
 	$nickname = str_replace("@twitter.com", "", $nickname);
 
-	$uid = $a->user["uid"];
+	$uid = $a->getUserId();
 
 	$ckey = DI::config()->get('twitter', 'consumerkey');
 	$csecret = DI::config()->get('twitter', 'consumersecret');
@@ -356,7 +356,7 @@ function twitter_settings(App $a, &$s)
 				$s .= Renderer::replaceMacros($field_checkbox, [
 					'$field' => ['twitter-enable', DI::l10n()->t('Allow posting to Twitter'), $enabled, DI::l10n()->t('If enabled all your <strong>public</strong> postings can be posted to the associated Twitter account. You can choose to do so by default (here) or for every posting separately in the posting options when writing the entry.')]
 				]);
-				if ($a->user['hidewall']) {
+				if ($a->getUserValue('hidewall')) {
 					$s .= '<p>' . DI::l10n()->t('<strong>Note</strong>: Due to your privacy settings (<em>Hide your profile details from unknown viewers?</em>) the link potentially included in public postings relayed to Twitter will lead the visitor to a blank page informing the visitor that the access to your profile has been restricted.') . '</p>';
 				}
 				$s .= Renderer::replaceMacros($field_checkbox, [
diff --git a/windowsphonepush/windowsphonepush.php b/windowsphonepush/windowsphonepush.php
index c5ff6965e..ca2dd3588 100644
--- a/windowsphonepush/windowsphonepush.php
+++ b/windowsphonepush/windowsphonepush.php
@@ -460,5 +460,5 @@ function windowsphonepush_login(App $a)
 
 	DI::auth()->setForUser($a, $record);
 	DI::session()->set('allow_api', true);
-	Hook::callAll('logged_in', $a->user);
+	Hook::callAll('logged_in', $record);
 }
diff --git a/xmpp/xmpp.php b/xmpp/xmpp.php
index 392dbe0e9..c64a517a9 100644
--- a/xmpp/xmpp.php
+++ b/xmpp/xmpp.php
@@ -153,7 +153,7 @@ function xmpp_converse(App $a)
 			DI::pConfig()->set(local_user(), "xmpp", "password", $password);
 		}
 
-		$jid = $a->user["nickname"] . "@" . DI::baseUrl()->getHostname() . "/converse-" . Strings::getRandomHex(5);
+		$jid = $a->getNickname() . "@" . DI::baseUrl()->getHostname() . "/converse-" . Strings::getRandomHex(5);
 
 		$auto_login = "auto_login: true,
 			authentication: 'login',