From 50e20e531ea942d900c50b510c8c13a6a1dd1465 Mon Sep 17 00:00:00 2001
From: Thomas Müller <thomas.mueller@tmit.eu>
Date: Thu, 14 Apr 2016 17:32:25 +0200
Subject: Introduce isReadyForUser and verify in file transfer ownership -
 fixes #23786

---
 apps/encryption/lib/crypto/encryption.php | 13 +++++++++++++
 apps/encryption/lib/keymanager.php        |  1 +
 2 files changed, 14 insertions(+)

(limited to 'apps/encryption')

diff --git a/apps/encryption/lib/crypto/encryption.php b/apps/encryption/lib/crypto/encryption.php
index 907a6437f5b..6eff66e72be 100644
--- a/apps/encryption/lib/crypto/encryption.php
+++ b/apps/encryption/lib/crypto/encryption.php
@@ -547,4 +547,17 @@ class Encryption implements IEncryptionModule {
 		return $path;
 	}
 
+	/**
+	 * Check if the module is ready to be used by that specific user.
+	 * In case a module is not ready - because e.g. key pairs have not been generated
+	 * upon login this method can return false before any operation starts and might
+	 * cause issues during operations.
+	 *
+	 * @param string $user
+	 * @return boolean
+	 * @since 9.1.0
+	 */
+	public function isReadyForUser($user) {
+		return $this->keyManager->userHasKeys($user);
+	}
 }
diff --git a/apps/encryption/lib/keymanager.php b/apps/encryption/lib/keymanager.php
index 12fa5f92bd5..0accfb7900a 100644
--- a/apps/encryption/lib/keymanager.php
+++ b/apps/encryption/lib/keymanager.php
@@ -493,6 +493,7 @@ class KeyManager {
 	 */
 	public function userHasKeys($userId) {
 		$privateKey = $publicKey = true;
+		$exception = null;
 
 		try {
 			$this->getPrivateKey($userId);
-- 
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