nextcloud / server

apps/dav/lib/Command/CreateAddressBook.php

Indentation +34 added lines, -34 removed lines

@@ -36,43 +36,43 @@
 
 class CreateAddressBook extends Command {
 
-	/** @var IUserManager */
-	private $userManager;
+    /** @var IUserManager */
+    private $userManager;
 
-	/** @var CardDavBackend */
-	private $cardDavBackend;
+    /** @var CardDavBackend */
+    private $cardDavBackend;
 
-	/**
-	 * @param IUserManager $userManager
-	 * @param CardDavBackend $cardDavBackend
-	 */
-	function __construct(IUserManager $userManager,
-						 CardDavBackend $cardDavBackend
-	) {
-		parent::__construct();
-		$this->userManager = $userManager;
-		$this->cardDavBackend = $cardDavBackend;
-	}
+    /**
+     * @param IUserManager $userManager
+     * @param CardDavBackend $cardDavBackend
+     */
+    function __construct(IUserManager $userManager,
+                            CardDavBackend $cardDavBackend
+    ) {
+        parent::__construct();
+        $this->userManager = $userManager;
+        $this->cardDavBackend = $cardDavBackend;
+    }
 
-	protected function configure() {
-		$this
-				->setName('dav:create-addressbook')
-				->setDescription('Create a dav addressbook')
-				->addArgument('user',
-						InputArgument::REQUIRED,
-						'User for whom the addressbook will be created')
-				->addArgument('name',
-						InputArgument::REQUIRED,
-						'Name of the addressbook');
-	}
+    protected function configure() {
+        $this
+                ->setName('dav:create-addressbook')
+                ->setDescription('Create a dav addressbook')
+                ->addArgument('user',
+                        InputArgument::REQUIRED,
+                        'User for whom the addressbook will be created')
+                ->addArgument('name',
+                        InputArgument::REQUIRED,
+                        'Name of the addressbook');
+    }
 
-	protected function execute(InputInterface $input, OutputInterface $output) {
-		$user = $input->getArgument('user');
-		if (!$this->userManager->userExists($user)) {
-			throw new \InvalidArgumentException("User <$user> in unknown.");
-		}
+    protected function execute(InputInterface $input, OutputInterface $output) {
+        $user = $input->getArgument('user');
+        if (!$this->userManager->userExists($user)) {
+            throw new \InvalidArgumentException("User <$user> in unknown.");
+        }
 
-		$name = $input->getArgument('name');
-		$this->cardDavBackend->createAddressBook("principals/users/$user", $name, []);
-	}
+        $name = $input->getArgument('name');
+        $this->cardDavBackend->createAddressBook("principals/users/$user", $name, []);
+    }
 }

apps/dav/lib/Capabilities.php

Indentation +7 added lines, -7 removed lines

@@ -26,11 +26,11 @@
 
 class Capabilities implements ICapability {
 
-	public function getCapabilities() {
-		return [
-			'dav' => [
-				'chunking' => '1.0',
-			]
-		];
-	}
+    public function getCapabilities() {
+        return [
+            'dav' => [
+                'chunking' => '1.0',
+            ]
+        ];
+    }
 }

apps/dav/lib/Upload/FutureFile.php

Indentation +72 added lines, -72 removed lines

@@ -37,87 +37,87 @@
  */
 class FutureFile implements \Sabre\DAV\IFile {
 
-	/** @var Directory */
-	private $root;
-	/** @var string */
-	private $name;
+    /** @var Directory */
+    private $root;
+    /** @var string */
+    private $name;
 
-	/**
-	 * @param Directory $root
-	 * @param string $name
-	 */
-	function __construct(Directory $root, $name) {
-		$this->root = $root;
-		$this->name = $name;
-	}
+    /**
+     * @param Directory $root
+     * @param string $name
+     */
+    function __construct(Directory $root, $name) {
+        $this->root = $root;
+        $this->name = $name;
+    }
 
-	/**
-	 * @inheritdoc
-	 */
-	function put($data) {
-		throw new Forbidden('Permission denied to put into this file');
-	}
+    /**
+     * @inheritdoc
+     */
+    function put($data) {
+        throw new Forbidden('Permission denied to put into this file');
+    }
 
-	/**
-	 * @inheritdoc
-	 */
-	function get() {
-		$nodes = $this->root->getChildren();
-		return AssemblyStream::wrap($nodes);
-	}
+    /**
+     * @inheritdoc
+     */
+    function get() {
+        $nodes = $this->root->getChildren();
+        return AssemblyStream::wrap($nodes);
+    }
 
-	/**
-	 * @inheritdoc
-	 */
-	function getContentType() {
-		return 'application/octet-stream';
-	}
+    /**
+     * @inheritdoc
+     */
+    function getContentType() {
+        return 'application/octet-stream';
+    }
 
-	/**
-	 * @inheritdoc
-	 */
-	function getETag() {
-		return $this->root->getETag();
-	}
+    /**
+     * @inheritdoc
+     */
+    function getETag() {
+        return $this->root->getETag();
+    }
 
-	/**
-	 * @inheritdoc
-	 */
-	function getSize() {
-		$children = $this->root->getChildren();
-		$sizes = array_map(function($node) {
-			/** @var IFile $node */
-			return $node->getSize();
-		}, $children);
+    /**
+     * @inheritdoc
+     */
+    function getSize() {
+        $children = $this->root->getChildren();
+        $sizes = array_map(function($node) {
+            /** @var IFile $node */
+            return $node->getSize();
+        }, $children);
 
-		return array_sum($sizes);
-	}
+        return array_sum($sizes);
+    }
 
-	/**
-	 * @inheritdoc
-	 */
-	function delete() {
-		$this->root->delete();
-	}
+    /**
+     * @inheritdoc
+     */
+    function delete() {
+        $this->root->delete();
+    }
 
-	/**
-	 * @inheritdoc
-	 */
-	function getName() {
-		return $this->name;
-	}
+    /**
+     * @inheritdoc
+     */
+    function getName() {
+        return $this->name;
+    }
 
-	/**
-	 * @inheritdoc
-	 */
-	function setName($name) {
-		throw new Forbidden('Permission denied to rename this file');
-	}
+    /**
+     * @inheritdoc
+     */
+    function setName($name) {
+        throw new Forbidden('Permission denied to rename this file');
+    }
 
-	/**
-	 * @inheritdoc
-	 */
-	function getLastModified() {
-		return $this->root->getLastModified();
-	}
+    /**
+     * @inheritdoc
+     */
+    function getLastModified() {
+        return $this->root->getLastModified();
+    }
 }

apps/dav/lib/CalDAV/Activity/Filter/Todo.php

Indentation +53 added lines, -53 removed lines

@@ -28,65 +28,65 @@
 
 class Todo implements IFilter {
 
-	/** @var IL10N */
-	protected $l;
+    /** @var IL10N */
+    protected $l;
 
-	/** @var IURLGenerator */
-	protected $url;
+    /** @var IURLGenerator */
+    protected $url;
 
-	public function __construct(IL10N $l, IURLGenerator $url) {
-		$this->l = $l;
-		$this->url = $url;
-	}
+    public function __construct(IL10N $l, IURLGenerator $url) {
+        $this->l = $l;
+        $this->url = $url;
+    }
 
-	/**
-	 * @return string Lowercase a-z and underscore only identifier
-	 * @since 11.0.0
-	 */
-	public function getIdentifier() {
-		return 'calendar_todo';
-	}
+    /**
+     * @return string Lowercase a-z and underscore only identifier
+     * @since 11.0.0
+     */
+    public function getIdentifier() {
+        return 'calendar_todo';
+    }
 
-	/**
-	 * @return string A translated string
-	 * @since 11.0.0
-	 */
-	public function getName() {
-		return $this->l->t('Todos');
-	}
+    /**
+     * @return string A translated string
+     * @since 11.0.0
+     */
+    public function getName() {
+        return $this->l->t('Todos');
+    }
 
-	/**
-	 * @return int whether the filter should be rather on the top or bottom of
-	 * the admin section. The filters are arranged in ascending order of the
-	 * priority values. It is required to return a value between 0 and 100.
-	 * @since 11.0.0
-	 */
-	public function getPriority() {
-		return 40;
-	}
+    /**
+     * @return int whether the filter should be rather on the top or bottom of
+     * the admin section. The filters are arranged in ascending order of the
+     * priority values. It is required to return a value between 0 and 100.
+     * @since 11.0.0
+     */
+    public function getPriority() {
+        return 40;
+    }
 
-	/**
-	 * @return string Full URL to an icon, empty string when none is given
-	 * @since 11.0.0
-	 */
-	public function getIcon() {
-		return $this->url->getAbsoluteURL($this->url->imagePath('core', 'actions/checkmark.svg'));
-	}
+    /**
+     * @return string Full URL to an icon, empty string when none is given
+     * @since 11.0.0
+     */
+    public function getIcon() {
+        return $this->url->getAbsoluteURL($this->url->imagePath('core', 'actions/checkmark.svg'));
+    }
 
-	/**
-	 * @param string[] $types
-	 * @return string[] An array of allowed apps from which activities should be displayed
-	 * @since 11.0.0
-	 */
-	public function filterTypes(array $types) {
-		return array_intersect(['calendar_todo'], $types);
-	}
+    /**
+     * @param string[] $types
+     * @return string[] An array of allowed apps from which activities should be displayed
+     * @since 11.0.0
+     */
+    public function filterTypes(array $types) {
+        return array_intersect(['calendar_todo'], $types);
+    }
 
-	/**
-	 * @return string[] An array of allowed apps from which activities should be displayed
-	 * @since 11.0.0
-	 */
-	public function allowedApps() {
-		return [];
-	}
+    /**
+     * @return string[] An array of allowed apps from which activities should be displayed
+     * @since 11.0.0
+     */
+    public function allowedApps() {
+        return [];
+    }
 }

apps/dav/lib/CalDAV/Activity/Setting/Calendar.php

Indentation +59 added lines, -59 removed lines

@@ -27,72 +27,72 @@
 
 class Calendar implements ISetting {
 
-	/** @var IL10N */
-	protected $l;
+    /** @var IL10N */
+    protected $l;
 
-	/**
-	 * @param IL10N $l
-	 */
-	public function __construct(IL10N $l) {
-		$this->l = $l;
-	}
+    /**
+     * @param IL10N $l
+     */
+    public function __construct(IL10N $l) {
+        $this->l = $l;
+    }
 
-	/**
-	 * @return string Lowercase a-z and underscore only identifier
-	 * @since 11.0.0
-	 */
-	public function getIdentifier() {
-		return 'calendar';
-	}
+    /**
+     * @return string Lowercase a-z and underscore only identifier
+     * @since 11.0.0
+     */
+    public function getIdentifier() {
+        return 'calendar';
+    }
 
-	/**
-	 * @return string A translated string
-	 * @since 11.0.0
-	 */
-	public function getName() {
-		return $this->l->t('A <strong>calendar</strong> was modified');
-	}
+    /**
+     * @return string A translated string
+     * @since 11.0.0
+     */
+    public function getName() {
+        return $this->l->t('A <strong>calendar</strong> was modified');
+    }
 
-	/**
-	 * @return int whether the filter should be rather on the top or bottom of
-	 * the admin section. The filters are arranged in ascending order of the
-	 * priority values. It is required to return a value between 0 and 100.
-	 * @since 11.0.0
-	 */
-	public function getPriority() {
-		return 50;
-	}
+    /**
+     * @return int whether the filter should be rather on the top or bottom of
+     * the admin section. The filters are arranged in ascending order of the
+     * priority values. It is required to return a value between 0 and 100.
+     * @since 11.0.0
+     */
+    public function getPriority() {
+        return 50;
+    }
 
-	/**
-	 * @return bool True when the option can be changed for the stream
-	 * @since 11.0.0
-	 */
-	public function canChangeStream() {
-		return true;
-	}
+    /**
+     * @return bool True when the option can be changed for the stream
+     * @since 11.0.0
+     */
+    public function canChangeStream() {
+        return true;
+    }
 
-	/**
-	 * @return bool True when the option can be changed for the stream
-	 * @since 11.0.0
-	 */
-	public function isDefaultEnabledStream() {
-		return true;
-	}
+    /**
+     * @return bool True when the option can be changed for the stream
+     * @since 11.0.0
+     */
+    public function isDefaultEnabledStream() {
+        return true;
+    }
 
-	/**
-	 * @return bool True when the option can be changed for the mail
-	 * @since 11.0.0
-	 */
-	public function canChangeMail() {
-		return true;
-	}
+    /**
+     * @return bool True when the option can be changed for the mail
+     * @since 11.0.0
+     */
+    public function canChangeMail() {
+        return true;
+    }
 
-	/**
-	 * @return bool True when the option can be changed for the stream
-	 * @since 11.0.0
-	 */
-	public function isDefaultEnabledMail() {
-		return false;
-	}
+    /**
+     * @return bool True when the option can be changed for the stream
+     * @since 11.0.0
+     */
+    public function isDefaultEnabledMail() {
+        return false;
+    }
 }
 

apps/dav/lib/CalDAV/Activity/Setting/Event.php

Indentation +59 added lines, -59 removed lines

@@ -27,72 +27,72 @@
 
 class Event implements ISetting {
 
-	/** @var IL10N */
-	protected $l;
+    /** @var IL10N */
+    protected $l;
 
-	/**
-	 * @param IL10N $l
-	 */
-	public function __construct(IL10N $l) {
-		$this->l = $l;
-	}
+    /**
+     * @param IL10N $l
+     */
+    public function __construct(IL10N $l) {
+        $this->l = $l;
+    }
 
-	/**
-	 * @return string Lowercase a-z and underscore only identifier
-	 * @since 11.0.0
-	 */
-	public function getIdentifier() {
-		return 'calendar_event';
-	}
+    /**
+     * @return string Lowercase a-z and underscore only identifier
+     * @since 11.0.0
+     */
+    public function getIdentifier() {
+        return 'calendar_event';
+    }
 
-	/**
-	 * @return string A translated string
-	 * @since 11.0.0
-	 */
-	public function getName() {
-		return $this->l->t('A calendar <strong>event</strong> was modified');
-	}
+    /**
+     * @return string A translated string
+     * @since 11.0.0
+     */
+    public function getName() {
+        return $this->l->t('A calendar <strong>event</strong> was modified');
+    }
 
-	/**
-	 * @return int whether the filter should be rather on the top or bottom of
-	 * the admin section. The filters are arranged in ascending order of the
-	 * priority values. It is required to return a value between 0 and 100.
-	 * @since 11.0.0
-	 */
-	public function getPriority() {
-		return 50;
-	}
+    /**
+     * @return int whether the filter should be rather on the top or bottom of
+     * the admin section. The filters are arranged in ascending order of the
+     * priority values. It is required to return a value between 0 and 100.
+     * @since 11.0.0
+     */
+    public function getPriority() {
+        return 50;
+    }
 
-	/**
-	 * @return bool True when the option can be changed for the stream
-	 * @since 11.0.0
-	 */
-	public function canChangeStream() {
-		return true;
-	}
+    /**
+     * @return bool True when the option can be changed for the stream
+     * @since 11.0.0
+     */
+    public function canChangeStream() {
+        return true;
+    }
 
-	/**
-	 * @return bool True when the option can be changed for the stream
-	 * @since 11.0.0
-	 */
-	public function isDefaultEnabledStream() {
-		return true;
-	}
+    /**
+     * @return bool True when the option can be changed for the stream
+     * @since 11.0.0
+     */
+    public function isDefaultEnabledStream() {
+        return true;
+    }
 
-	/**
-	 * @return bool True when the option can be changed for the mail
-	 * @since 11.0.0
-	 */
-	public function canChangeMail() {
-		return true;
-	}
+    /**
+     * @return bool True when the option can be changed for the mail
+     * @since 11.0.0
+     */
+    public function canChangeMail() {
+        return true;
+    }
 
-	/**
-	 * @return bool True when the option can be changed for the stream
-	 * @since 11.0.0
-	 */
-	public function isDefaultEnabledMail() {
-		return false;
-	}
+    /**
+     * @return bool True when the option can be changed for the stream
+     * @since 11.0.0
+     */
+    public function isDefaultEnabledMail() {
+        return false;
+    }
 }
 

apps/dav/lib/CalDAV/Activity/Setting/Todo.php

Indentation +59 added lines, -59 removed lines

@@ -27,72 +27,72 @@
 
 class Todo implements ISetting {
 
-	/** @var IL10N */
-	protected $l;
+    /** @var IL10N */
+    protected $l;
 
-	/**
-	 * @param IL10N $l
-	 */
-	public function __construct(IL10N $l) {
-		$this->l = $l;
-	}
+    /**
+     * @param IL10N $l
+     */
+    public function __construct(IL10N $l) {
+        $this->l = $l;
+    }
 
-	/**
-	 * @return string Lowercase a-z and underscore only identifier
-	 * @since 11.0.0
-	 */
-	public function getIdentifier() {
-		return 'calendar_todo';
-	}
+    /**
+     * @return string Lowercase a-z and underscore only identifier
+     * @since 11.0.0
+     */
+    public function getIdentifier() {
+        return 'calendar_todo';
+    }
 
-	/**
-	 * @return string A translated string
-	 * @since 11.0.0
-	 */
-	public function getName() {
-		return $this->l->t('A calendar <strong>todo</strong> was modified');
-	}
+    /**
+     * @return string A translated string
+     * @since 11.0.0
+     */
+    public function getName() {
+        return $this->l->t('A calendar <strong>todo</strong> was modified');
+    }
 
-	/**
-	 * @return int whether the filter should be rather on the top or bottom of
-	 * the admin section. The filters are arranged in ascending order of the
-	 * priority values. It is required to return a value between 0 and 100.
-	 * @since 11.0.0
-	 */
-	public function getPriority() {
-		return 50;
-	}
+    /**
+     * @return int whether the filter should be rather on the top or bottom of
+     * the admin section. The filters are arranged in ascending order of the
+     * priority values. It is required to return a value between 0 and 100.
+     * @since 11.0.0
+     */
+    public function getPriority() {
+        return 50;
+    }
 
-	/**
-	 * @return bool True when the option can be changed for the stream
-	 * @since 11.0.0
-	 */
-	public function canChangeStream() {
-		return true;
-	}
+    /**
+     * @return bool True when the option can be changed for the stream
+     * @since 11.0.0
+     */
+    public function canChangeStream() {
+        return true;
+    }
 
-	/**
-	 * @return bool True when the option can be changed for the stream
-	 * @since 11.0.0
-	 */
-	public function isDefaultEnabledStream() {
-		return true;
-	}
+    /**
+     * @return bool True when the option can be changed for the stream
+     * @since 11.0.0
+     */
+    public function isDefaultEnabledStream() {
+        return true;
+    }
 
-	/**
-	 * @return bool True when the option can be changed for the mail
-	 * @since 11.0.0
-	 */
-	public function canChangeMail() {
-		return true;
-	}
+    /**
+     * @return bool True when the option can be changed for the mail
+     * @since 11.0.0
+     */
+    public function canChangeMail() {
+        return true;
+    }
 
-	/**
-	 * @return bool True when the option can be changed for the stream
-	 * @since 11.0.0
-	 */
-	public function isDefaultEnabledMail() {
-		return false;
-	}
+    /**
+     * @return bool True when the option can be changed for the stream
+     * @since 11.0.0
+     */
+    public function isDefaultEnabledMail() {
+        return false;
+    }
 }
 

apps/dav/lib/CalDAV/Publishing/Xml/Publisher.php

Indentation +50 added lines, -50 removed lines

@@ -26,58 +26,58 @@
 
 class Publisher implements XmlSerializable {
 
-	/**
-	 * @var string $publishUrl
-	 */
-	protected $publishUrl;
+    /**
+     * @var string $publishUrl
+     */
+    protected $publishUrl;
 
-	/**
-	 * @var boolean $isPublished
-	 */
-	protected $isPublished;
+    /**
+     * @var boolean $isPublished
+     */
+    protected $isPublished;
 
-	/**
-	 * @param string $publishUrl
-	 * @param boolean $isPublished
-	 */
-	function __construct($publishUrl, $isPublished) {
-		$this->publishUrl = $publishUrl;
-		$this->isPublished = $isPublished;
-	}
+    /**
+     * @param string $publishUrl
+     * @param boolean $isPublished
+     */
+    function __construct($publishUrl, $isPublished) {
+        $this->publishUrl = $publishUrl;
+        $this->isPublished = $isPublished;
+    }
 
-	/**
-	 * @return string
-	 */
-	function getValue() {
-		return $this->publishUrl;
-	}
+    /**
+     * @return string
+     */
+    function getValue() {
+        return $this->publishUrl;
+    }
 
-	/**
-	 * The xmlSerialize metod is called during xml writing.
-	 *
-	 * Use the $writer argument to write its own xml serialization.
-	 *
-	 * An important note: do _not_ create a parent element. Any element
-	 * implementing XmlSerializble should only ever write what's considered
-	 * its 'inner xml'.
-	 *
-	 * The parent of the current element is responsible for writing a
-	 * containing element.
-	 *
-	 * This allows serializers to be re-used for different element names.
-	 *
-	 * If you are opening new elements, you must also close them again.
-	 *
-	 * @param Writer $writer
-	 * @return void
-	 */
-	function xmlSerialize(Writer $writer) {
-		if (!$this->isPublished) {
-			// for pre-publish-url
-			$writer->write($this->publishUrl);
-		} else {
-			// for publish-url
-			$writer->writeElement('{DAV:}href', $this->publishUrl);
-		}
-	}
+    /**
+     * The xmlSerialize metod is called during xml writing.
+     *
+     * Use the $writer argument to write its own xml serialization.
+     *
+     * An important note: do _not_ create a parent element. Any element
+     * implementing XmlSerializble should only ever write what's considered
+     * its 'inner xml'.
+     *
+     * The parent of the current element is responsible for writing a
+     * containing element.
+     *
+     * This allows serializers to be re-used for different element names.
+     *
+     * If you are opening new elements, you must also close them again.
+     *
+     * @param Writer $writer
+     * @return void
+     */
+    function xmlSerialize(Writer $writer) {
+        if (!$this->isPublished) {
+            // for pre-publish-url
+            $writer->write($this->publishUrl);
+        } else {
+            // for publish-url
+            $writer->writeElement('{DAV:}href', $this->publishUrl);
+        }
+    }
 }

apps/dav/lib/SystemTag/SystemTagNode.php

Indentation +132 added lines, -132 removed lines

@@ -39,136 +39,136 @@
  */
 class SystemTagNode implements \Sabre\DAV\INode {
 
-	/**
-	 * @var ISystemTag
-	 */
-	protected $tag;
-
-	/**
-	 * @var ISystemTagManager
-	 */
-	protected $tagManager;
-
-	/**
-	 * User
-	 *
-	 * @var IUser
-	 */
-	protected $user;
-
-	/**
-	 * Whether to allow permissions for admins
-	 *
-	 * @var bool
-	 */
-	protected $isAdmin;
-
-	/**
-	 * Sets up the node, expects a full path name
-	 *
-	 * @param ISystemTag $tag system tag
-	 * @param IUser $user user
-	 * @param bool $isAdmin whether to allow operations for admins
-	 * @param ISystemTagManager $tagManager tag manager
-	 */
-	public function __construct(ISystemTag $tag, IUser $user, $isAdmin, ISystemTagManager $tagManager) {
-		$this->tag = $tag;
-		$this->user = $user;
-		$this->isAdmin = $isAdmin;
-		$this->tagManager = $tagManager;
-	}
-
-	/**
-	 *  Returns the id of the tag
-	 *
-	 * @return string
-	 */
-	public function getName() {
-		return $this->tag->getId();
-	}
-
-	/**
-	 * Returns the system tag represented by this node
-	 *
-	 * @return ISystemTag system tag
-	 */
-	public function getSystemTag() {
-		return $this->tag;
-	}
-
-	/**
-	 * Renames the node
-	 *
-	 * @param string $name The new name
-	 *
-	 * @throws MethodNotAllowed not allowed to rename node
-	 */
-	public function setName($name) {
-		throw new MethodNotAllowed();
-	}
-
-	/**
-	 * Update tag
-	 *
-	 * @param string $name new tag name
-	 * @param bool $userVisible user visible
-	 * @param bool $userAssignable user assignable
-	 * @throws NotFound whenever the given tag id does not exist
-	 * @throws Forbidden whenever there is no permission to update said tag
-	 * @throws Conflict whenever a tag already exists with the given attributes
-	 */
-	public function update($name, $userVisible, $userAssignable) {
-		try {
-			if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
-				throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist');
-			}
-			if (!$this->tagManager->canUserAssignTag($this->tag, $this->user)) {
-				throw new Forbidden('No permission to update tag ' . $this->tag->getId());
-			}
-
-			// only admin is able to change permissions, regular users can only rename
-			if (!$this->isAdmin) {
-				// only renaming is allowed for regular users
-				if ($userVisible !== $this->tag->isUserVisible()
-					|| $userAssignable !== $this->tag->isUserAssignable()
-				) {
-					throw new Forbidden('No permission to update permissions for tag ' . $this->tag->getId());
-				}
-			}
-
-			$this->tagManager->updateTag($this->tag->getId(), $name, $userVisible, $userAssignable);
-		} catch (TagNotFoundException $e) {
-			throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist');
-		} catch (TagAlreadyExistsException $e) {
-			throw new Conflict(
-				'Tag with the properties "' . $name . '", ' .
-				$userVisible . ', ' . $userAssignable . ' already exists'
-			);
-		}
-	}
-
-	/**
-	 * Returns null, not supported
-	 *
-	 */
-	public function getLastModified() {
-		return null;
-	}
-
-	public function delete() {
-		try {
-			if (!$this->isAdmin) {
-				throw new Forbidden('No permission to delete tag ' . $this->tag->getId());
-			}
-
-			if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
-				throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found');
-			}
-
-			$this->tagManager->deleteTags($this->tag->getId());
-		} catch (TagNotFoundException $e) {
-			// can happen if concurrent deletion occurred
-			throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found', 0, $e);
-		}
-	}
+    /**
+     * @var ISystemTag
+     */
+    protected $tag;
+
+    /**
+     * @var ISystemTagManager
+     */
+    protected $tagManager;
+
+    /**
+     * User
+     *
+     * @var IUser
+     */
+    protected $user;
+
+    /**
+     * Whether to allow permissions for admins
+     *
+     * @var bool
+     */
+    protected $isAdmin;
+
+    /**
+     * Sets up the node, expects a full path name
+     *
+     * @param ISystemTag $tag system tag
+     * @param IUser $user user
+     * @param bool $isAdmin whether to allow operations for admins
+     * @param ISystemTagManager $tagManager tag manager
+     */
+    public function __construct(ISystemTag $tag, IUser $user, $isAdmin, ISystemTagManager $tagManager) {
+        $this->tag = $tag;
+        $this->user = $user;
+        $this->isAdmin = $isAdmin;
+        $this->tagManager = $tagManager;
+    }
+
+    /**
+     *  Returns the id of the tag
+     *
+     * @return string
+     */
+    public function getName() {
+        return $this->tag->getId();
+    }
+
+    /**
+     * Returns the system tag represented by this node
+     *
+     * @return ISystemTag system tag
+     */
+    public function getSystemTag() {
+        return $this->tag;
+    }
+
+    /**
+     * Renames the node
+     *
+     * @param string $name The new name
+     *
+     * @throws MethodNotAllowed not allowed to rename node
+     */
+    public function setName($name) {
+        throw new MethodNotAllowed();
+    }
+
+    /**
+     * Update tag
+     *
+     * @param string $name new tag name
+     * @param bool $userVisible user visible
+     * @param bool $userAssignable user assignable
+     * @throws NotFound whenever the given tag id does not exist
+     * @throws Forbidden whenever there is no permission to update said tag
+     * @throws Conflict whenever a tag already exists with the given attributes
+     */
+    public function update($name, $userVisible, $userAssignable) {
+        try {
+            if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
+                throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist');
+            }
+            if (!$this->tagManager->canUserAssignTag($this->tag, $this->user)) {
+                throw new Forbidden('No permission to update tag ' . $this->tag->getId());
+            }
+
+            // only admin is able to change permissions, regular users can only rename
+            if (!$this->isAdmin) {
+                // only renaming is allowed for regular users
+                if ($userVisible !== $this->tag->isUserVisible()
+                    || $userAssignable !== $this->tag->isUserAssignable()
+                ) {
+                    throw new Forbidden('No permission to update permissions for tag ' . $this->tag->getId());
+                }
+            }
+
+            $this->tagManager->updateTag($this->tag->getId(), $name, $userVisible, $userAssignable);
+        } catch (TagNotFoundException $e) {
+            throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist');
+        } catch (TagAlreadyExistsException $e) {
+            throw new Conflict(
+                'Tag with the properties "' . $name . '", ' .
+                $userVisible . ', ' . $userAssignable . ' already exists'
+            );
+        }
+    }
+
+    /**
+     * Returns null, not supported
+     *
+     */
+    public function getLastModified() {
+        return null;
+    }
+
+    public function delete() {
+        try {
+            if (!$this->isAdmin) {
+                throw new Forbidden('No permission to delete tag ' . $this->tag->getId());
+            }
+
+            if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
+                throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found');
+            }
+
+            $this->tagManager->deleteTags($this->tag->getId());
+        } catch (TagNotFoundException $e) {
+            // can happen if concurrent deletion occurred
+            throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found', 0, $e);
+        }
+    }
 }