Update license script apps

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

build/license.php

 			$license = str_replace('@COPYRIGHT@', $copyrightNotices, $license);
 		}
 
-		$source = $this->eatOldLicense($source);
-		$source = "<?php" . PHP_EOL . $license . PHP_EOL . $source;
+		[$source, $isStrict] = $this->eatOldLicense($source);
+		if ($isStrict) {
+			$source = "<?php" . PHP_EOL . PHP_EOL . 'declare(strict_types=1);' . PHP_EOL . PHP_EOL . $license . PHP_EOL . $source;
+		} else {
+			$source = "<?php" . PHP_EOL . $license . PHP_EOL . $source;
+		}
 		file_put_contents($path,$source);
 		echo "License updated: $path" . PHP_EOL;
 	}
 		return false;
 	}
 
-        private function isOwnCloudLicensed($source) {
-			$lines = explode(PHP_EOL, $source);
-			while(!empty($lines)) {
-				$line = $lines[0];
-				array_shift($lines);
-				if (strpos($line, 'ownCloud, Inc') !== false || strpos($line, 'ownCloud GmbH') !== false) {
-					return true;
-				}
+	private function isOwnCloudLicensed($source) {
+		$lines = explode(PHP_EOL, $source);
+		while(!empty($lines)) {
+			$line = $lines[0];
+			array_shift($lines);
+			if (strpos($line, 'ownCloud, Inc') !== false || strpos($line, 'ownCloud GmbH') !== false) {
+				return true;
 			}
+		}
 
-			return false;
-        }
+		return false;
+	}
 
 	/**
 	 * @param string $source
 	 */
 	private function eatOldLicense($source) {
 		$lines = explode(PHP_EOL, $source);
+		$isStrict = false;
 		while(!empty($lines)) {
 			$line = $lines[0];
-			if (strpos($line, '<?php') !== false) {
+			if (trim($line) === '<?php') {
+				array_shift($lines);
+				continue;
+			}
+			if (strpos($line, '<?php declare(strict_types') !== false) {
+				$isStrict = true;
+				array_shift($lines);
+				continue;
+			}
+			if (strpos($line, 'declare (strict_types') !== false) {
+				$isStrict = true;
+				array_shift($lines);
+				continue;
+			}
+			if (strpos($line, 'declare(strict_types') !== false) {
+				$isStrict = true;
 				array_shift($lines);
 				continue;
 			}
 			break;
 		}
 
-		return implode(PHP_EOL, $lines);
+		return [implode(PHP_EOL, $lines), $isStrict];
 	}
 
 	private function getCopyrightNotices($path, $file) {
 	$licenses->exec($argv[1], isset($argv[2]) ? $argv[1] : false);
 } else {
 	$licenses->exec([
+		'../apps/accessibility',
 		'../apps/admin_audit',
+		'../apps/cloud_federation_api',
 		'../apps/comments',
 		'../apps/dav',
 		'../apps/encryption',
 		'../apps/files_sharing',
 		'../apps/files_trashbin',
 		'../apps/files_versions',
+		'../apps/lookup_server_connector',
+		'../apps/oauth2',
 		'../apps/provisioning_api',
+		'../apps/settings',
+		'../apps/sharebymail',
 		'../apps/systemtags',
 		'../apps/testing',
 		'../apps/theming',
+		'../apps/twofactor_backupcodes',
 		'../apps/updatenotification',
 		'../apps/user_ldap',
 		'../build/integration/features/bootstrap',
 		'../core',
 		'../lib',
 		'../ocs',
-		'../settings',
 		'../console.php',
 		'../cron.php',
 		'../index.php',