Dispatch event to allow change of the redirect url

Signed-off-by: Julius Härtl <jus@bitgrid.net>

2 files changed, 56 insertions, 0 deletions

diff --git a/lib/Controller/DocumentController.php b/lib/Controller/DocumentController.php
index d021f536..aa98c239 100644
--- a/lib/Controller/DocumentController.php
+++ b/lib/Controller/DocumentController.php
@@ -11,6 +11,7 @@
 
 namespace OCA\Richdocuments\Controller;
 
+use OCA\Richdocuments\Events\BeforeFederationRedirectEvent;
 use OCA\Richdocuments\Service\FederationService;
 use OCA\Richdocuments\TokenManager;
 use \OCP\AppFramework\Controller;
@@ -198,6 +199,15 @@ class DocumentController extends Controller {
 						'&richdocuments_open=' . $item->getName() .
 						'&richdocuments_fileId=' . $fileId .
 						'&richdocuments_remote_access=' . $remote;
+
+						$event = new BeforeFederationRedirectEvent(
+							$item, $relative, $remote
+						);
+						$eventDispatcher = \OC::$server->getEventDispatcher();
+						$eventDispatcher->dispatch(BeforeFederationRedirectEvent::class, $event);
+						if ($event->getRedirectUrl()) {
+							$url = $event->getRedirectUrl();
+						}
 					return new RedirectResponse($url);
 				}
 				$this->logger->warning('Failed to connect to remote collabora instance for ' . $fileId);
diff --git a/lib/Events/BeforeFederationRedirectEvent.php b/lib/Events/BeforeFederationRedirectEvent.php
new file mode 100644
index 00000000..40bb8b02
--- /dev/null
+++ b/lib/Events/BeforeFederationRedirectEvent.php
@@ -0,0 +1,46 @@
+<?php
+
+namespace OCA\Richdocuments\Events;
+
+
+use OCP\Files\Node;
+use Symfony\Component\EventDispatcher\Event;
+
+class BeforeFederationRedirectEvent extends Event {
+
+    /** @var Node */
+    private $node;
+    /** @var string */
+    private $relativePath;
+    /** @var string|null */
+    private $redirectUrl = null;
+    /** @var string */
+    private $remote;
+
+    public function __construct($node, $relativePath, $remote) {
+        $this->node = $node;
+        $this->relativePath = $relativePath;
+        $this->remote = $remote;
+    }
+
+    public function getRelativePath() {
+        return $this->relativePath;
+    }
+
+    public function getNode() {
+        return $this->node;
+    }
+
+    public function getRemote() {
+        return $this->remote;
+    }
+
+    public function setRedirectUrl($redirectUrl) {
+        $this->redirectUrl = $redirectUrl;
+    }
+
+    public function getRedirectUrl() {
+        return $this->redirectUrl;
+    }
+
+}
\ No newline at end of file