[BUGFIX] Make viewhelpers PHP 7 compatible

Classes/ViewHelpers/DownloadLinkViewHelper.php

@@ -24,32 +24,59 @@
  *  This copyright notice MUST APPEAR in all copies of the script!
  ***************************************************************/
 
+use TYPO3\CMS\Core\Resource\File;
+use TYPO3\CMS\Core\Resource\FileInterface;
+use TYPO3\CMS\Core\Resource\ProcessedFile;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractTagBasedViewHelper;
+
 /**
  * Download link view helper. Generates links that force a download action.
  */
-class DownloadLinkViewHelper extends \TYPO3\CMS\Fluid\ViewHelpers\Link\ExternalViewHelper
+class DownloadLinkViewHelper extends AbstractTagBasedViewHelper
 {
 
+    /**
+     * @var string
+     */
+    protected $tagName = 'a';
+
+    /**
+     * Initialize arguments
+     *
+     * @return void
+     * @api
+     */
+    public function initializeArguments() {
+        $this->registerUniversalTagAttributes();
+        $this->registerTagAttribute('name', 'string', 'Specifies the name of an anchor');
+        $this->registerTagAttribute('rel', 'string', 'Specifies the relationship between the current document and the linked document');
+        $this->registerTagAttribute('rev', 'string', 'Specifies the relationship between the linked document and the current document');
+        $this->registerTagAttribute('target', 'string', 'Specifies where to open the linked document');
+        $this->registerArgument('file', 'object', '', true);
+        $this->registerArgument('uriOnly', 'bool', '', false, false);
+    }
+
     /**
      * Create a link to a file that forces a download
      *
-     * @param \TYPO3\CMS\Core\Resource\FileInterface $file
-     * @param bool $uriOnly
      * @return string
      */
-    public function render(\TYPO3\CMS\Core\Resource\FileInterface $file, $uriOnly = false)
+    public function render()
     {
+        /** @var FileInterface $file */
+        $file = $this->arguments['file'];
 
         $queryParameterArray = array('eID' => 'dumpFile', 't' => '');
-        if ($file instanceof \TYPO3\CMS\Core\Resource\File) {
+        if ($file instanceof File) {
             $queryParameterArray['f'] = $file->getUid();
             $queryParameterArray['t'] = 'f';
-        } elseif ($file instanceof \TYPO3\CMS\Core\Resource\ProcessedFile) {
+        } elseif ($file instanceof ProcessedFile) {
             $queryParameterArray['p'] = $file->getUid();
             $queryParameterArray['t'] = 'p';
         }
 
-        $queryParameterArray['token'] = \TYPO3\CMS\Core\Utility\GeneralUtility::hmac(implode('|', $queryParameterArray),
+        $queryParameterArray['token'] = GeneralUtility::hmac(implode('|', $queryParameterArray),
             'resourceStorageDumpFile');
         $queryParameterArray['download'] = '';
         $uri = 'index.php?' . str_replace('+', '%20', http_build_query($queryParameterArray));
@@ -59,7 +86,7 @@ public function render(\TYPO3\CMS\Core\Resource\FileInterface $file, $uriOnly =
             $uri = $GLOBALS['TSFE']->absRefPrefix . $uri;
         }
 
-        if ($uriOnly) {
+        if ($this->arguments['uriOnly']) {
             return $uri;
         }
 

Classes/ViewHelpers/LeaveStateViewHelper.php

@@ -25,24 +25,32 @@
  ***************************************************************/
 
 use TYPO3\CMS\Core\Resource\Folder;
+use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractConditionViewHelper;
 
 /**
  * Class LeaveStateViewHelper
  *
  * @package BeechIt\FalSecuredownload\ViewHelpers
  */
-class LeaveStateViewHelper extends \TYPO3\CMS\Fluid\Core\ViewHelper\AbstractConditionViewHelper
+class LeaveStateViewHelper extends AbstractConditionViewHelper
 {
 
+    public function initializeArguments()
+    {
+        parent::initializeArguments();
+        $this->registerArgument('folder', 'object', '', true);
+    }
+
     /**
      * renders <f:then> child if the current visitor ...
      * otherwise renders <f:else> child.
-     *
-     * @param Folder $folder
+
      * @return string
      */
-    public function render(Folder $folder)
+    public function render()
     {
+        /** @var Folder $folder */
+        $folder = $this->arguments['folder'];
 
         /** @var $leafStateService \BeechIt\FalSecuredownload\Service\LeafStateService */
         $leafStateService = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('BeechIt\\FalSecuredownload\\Service\\LeafStateService');
@@ -54,4 +62,4 @@ public function render(Folder $folder)
             return $this->renderElseChild();
         }
     }
-}
+}

Classes/ViewHelpers/Security/AssetAccessViewHelper.php

@@ -27,30 +27,31 @@
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Core\Resource\Folder;
 use TYPO3\CMS\Core\Resource\File;
+use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractConditionViewHelper;
 
 /**
  * Asset access ViewHelper
  *
  * @package BeechIt\FalSecuredownload\ViewHelpers\Security
  */
-class AssetAccessViewHelper extends \TYPO3\CMS\Fluid\Core\ViewHelper\AbstractConditionViewHelper
+class AssetAccessViewHelper extends AbstractConditionViewHelper
 {
+    public function initializeArguments()
+    {
+        parent::initializeArguments();
+        $this->registerArgument('folder', 'object', '', true);
+        $this->registerArgument('file', 'object', '', false, null);
+    }
 
     /**
      * renders <f:then> child if the current logged in FE user has access to the given asset
      * otherwise renders <f:else> child.
      *
-     * @param Folder $folder
-     * @param File $file
-     * @return bool|string
+     * @return string
      */
-    public function render(Folder $folder, File $file = null)
+    public function render()
     {
-        if (self::evaluateCondition(array('folder' => $folder, 'file' => $file))) {
-            return $this->renderThenChild();
-        } else {
-            return $this->renderElseChild();
-        }
+        return self::evaluateCondition($this->arguments) ? $this->renderThenChild() : $this->renderElseChild();
     }
 
     /**
@@ -61,7 +62,9 @@ public function render(Folder $folder, File $file = null)
      */
     protected static function evaluateCondition($arguments = null)
     {
+        /** @var Folder $folder */
         $folder = $arguments['folder'];
+        /** @var File $file */
         $file = $arguments['file'];
 
         /** @var $checkPermissionsService \BeechIt\FalSecuredownload\Security\CheckPermissions */