1 files changed, 144 insertions, 0 deletions
diff --git a/lib/private/Share20/LegacyHooks.php b/lib/private/Share20/LegacyHooks.php
new file mode 100644
index 00000000000..d54c8e3203d
--- /dev/null
+++ b/lib/private/Share20/LegacyHooks.php
@@ -0,0 +1,144 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OC\Share20;
+
+use OCP\EventDispatcher\IEventDispatcher;
+use OCP\Files\File;
+use OCP\Share;
+use OCP\Share\Events\BeforeShareCreatedEvent;
+use OCP\Share\Events\BeforeShareDeletedEvent;
+use OCP\Share\Events\ShareCreatedEvent;
+use OCP\Share\Events\ShareDeletedEvent;
+use OCP\Share\Events\ShareDeletedFromSelfEvent;
+use OCP\Share\IShare;
+
+class LegacyHooks {
+	/** @var IEventDispatcher */
+	private $eventDispatcher;
+
+	public function __construct(IEventDispatcher $eventDispatcher) {
+		$this->eventDispatcher = $eventDispatcher;
+
+		$this->eventDispatcher->addListener(BeforeShareDeletedEvent::class, function (BeforeShareDeletedEvent $event) {
+			$this->preUnshare($event);
+		});
+		$this->eventDispatcher->addListener(ShareDeletedEvent::class, function (ShareDeletedEvent $event) {
+			$this->postUnshare($event);
+		});
+		$this->eventDispatcher->addListener(ShareDeletedFromSelfEvent::class, function (ShareDeletedFromSelfEvent $event) {
+			$this->postUnshareFromSelf($event);
+		});
+		$this->eventDispatcher->addListener(BeforeShareCreatedEvent::class, function (BeforeShareCreatedEvent $event) {
+			$this->preShare($event);
+		});
+		$this->eventDispatcher->addListener(ShareCreatedEvent::class, function (ShareCreatedEvent $event) {
+			$this->postShare($event);
+		});
+	}
+
+	public function preUnshare(BeforeShareDeletedEvent $e) {
+		$share = $e->getShare();
+
+		$formatted = $this->formatHookParams($share);
+		\OC_Hook::emit(Share::class, 'pre_unshare', $formatted);
+	}
+
+	public function postUnshare(ShareDeletedEvent $e) {
+		$share = $e->getShare();
+
+		$formatted = $this->formatHookParams($share);
+		$formatted['deletedShares'] = [$formatted];
+
+		\OC_Hook::emit(Share::class, 'post_unshare', $formatted);
+	}
+
+	public function postUnshareFromSelf(ShareDeletedFromSelfEvent $e) {
+		$share = $e->getShare();
+
+		$formatted = $this->formatHookParams($share);
+		$formatted['itemTarget'] = $formatted['fileTarget'];
+		$formatted['unsharedItems'] = [$formatted];
+
+		\OC_Hook::emit(Share::class, 'post_unshareFromSelf', $formatted);
+	}
+
+	private function formatHookParams(IShare $share) {
+		// Prepare hook
+		$shareType = $share->getShareType();
+		$sharedWith = '';
+		if ($shareType === IShare::TYPE_USER
+			|| $shareType === IShare::TYPE_GROUP
+			|| $shareType === IShare::TYPE_REMOTE) {
+			$sharedWith = $share->getSharedWith();
+		}
+
+		$hookParams = [
+			'id' => $share->getId(),
+			'itemType' => $share->getNodeType(),
+			'itemSource' => $share->getNodeId(),
+			'shareType' => $shareType,
+			'shareWith' => $sharedWith,
+			'itemparent' => $share->getParent(),
+			'uidOwner' => $share->getSharedBy(),
+			'fileSource' => $share->getNodeId(),
+			'fileTarget' => $share->getTarget()
+		];
+		return $hookParams;
+	}
+
+	public function preShare(BeforeShareCreatedEvent $e) {
+		$share = $e->getShare();
+
+		// Pre share hook
+		$run = true;
+		$error = '';
+		$preHookData = [
+			'itemType' => $share->getNode() instanceof File ? 'file' : 'folder',
+			'itemSource' => $share->getNode()->getId(),
+			'shareType' => $share->getShareType(),
+			'uidOwner' => $share->getSharedBy(),
+			'permissions' => $share->getPermissions(),
+			'fileSource' => $share->getNode()->getId(),
+			'expiration' => $share->getExpirationDate(),
+			'token' => $share->getToken(),
+			'itemTarget' => $share->getTarget(),
+			'shareWith' => $share->getSharedWith(),
+			'run' => &$run,
+			'error' => &$error,
+		];
+		\OC_Hook::emit(Share::class, 'pre_shared', $preHookData);
+
+		if ($run === false) {
+			$e->setError($error);
+			$e->stopPropagation();
+		}
+
+		return $e;
+	}
+
+	public function postShare(ShareCreatedEvent $e) {
+		$share = $e->getShare();
+
+		$postHookData = [
+			'itemType' => $share->getNode() instanceof File ? 'file' : 'folder',
+			'itemSource' => $share->getNode()->getId(),
+			'shareType' => $share->getShareType(),
+			'uidOwner' => $share->getSharedBy(),
+			'permissions' => $share->getPermissions(),
+			'fileSource' => $share->getNode()->getId(),
+			'expiration' => $share->getExpirationDate(),
+			'token' => $share->getToken(),
+			'id' => $share->getId(),
+			'shareWith' => $share->getSharedWith(),
+			'itemTarget' => $share->getTarget(),
+			'fileTarget' => $share->getTarget(),
+			'path' => $share->getNode()->getPath(),
+		];
+
+		\OC_Hook::emit(Share::class, 'post_shared', $postHookData);
+	}
+}