1 files changed, 23 insertions, 2 deletions
diff --git a/lib/private/Share20/Share.php b/lib/private/Share20/Share.php
index 466817efc9a..8caabb0898a 100644
--- a/lib/private/Share20/Share.php
+++ b/lib/private/Share20/Share.php
@@ -14,8 +14,10 @@ use OCP\Files\IRootFolder;
 use OCP\Files\Node;
 use OCP\Files\NotFoundException;
 use OCP\IUserManager;
+use OCP\Server;
 use OCP\Share\Exceptions\IllegalIDChangeException;
 use OCP\Share\IAttributes;
+use OCP\Share\IManager;
 use OCP\Share\IShare;
 
 class Share implements IShare {
@@ -418,8 +420,8 @@ class Share implements IShare {
 	 * @inheritdoc
 	 */
 	public function isExpired() {
-		return $this->getExpirationDate() !== null &&
-			$this->getExpirationDate() <= new \DateTime();
+		return $this->getExpirationDate() !== null
+			&& $this->getExpirationDate() <= new \DateTime();
 	}
 
 	/**
@@ -622,4 +624,23 @@ class Share implements IShare {
 	public function getReminderSent(): bool {
 		return $this->reminderSent;
 	}
+
+	public function canSeeContent(): bool {
+		$shareManager = Server::get(IManager::class);
+
+		$allowViewWithoutDownload = $shareManager->allowViewWithoutDownload();
+		// If the share manager allows viewing without download, we can always see the content.
+		if ($allowViewWithoutDownload) {
+			return true;
+		}
+
+		// No "allow preview" header set, so we must check if
+		// the share has not explicitly disabled download permissions
+		$attributes = $this->getAttributes();
+		if ($attributes?->getAttribute('permissions', 'download') === false) {
+			return false;
+		}
+
+		return true;
+	}
 }