Update NCEndToEndMetadataV20.swift

iOSClient/Networking/E2EE/NCEndToEndMetadataV20.swift

@@ -200,40 +200,42 @@ extension NCEndToEndMetadata {
             // users
             //
 
-            for user in users {
-
-                var decryptedMetadataKey: Data?
-                var decryptedFiledropKey: Data?
-                var metadataKey: String?
-                var filedropKey: String?
-
-                if let encryptedMetadataKey = user.encryptedMetadataKey {
-                    let data = Data(base64Encoded: encryptedMetadataKey)
-                    if let decrypted = NCEndToEndEncryption.sharedManager().decryptAsymmetricData(data, privateKey: CCUtility.getEndToEndPrivateKey(account)) {
-                        decryptedMetadataKey = decrypted
-                        metadataKey = decrypted.base64EncodedString()
+            if let users {
+                for user in users {
+                    
+                    var decryptedMetadataKey: Data?
+                    var decryptedFiledropKey: Data?
+                    var metadataKey: String?
+                    var filedropKey: String?
+                    
+                    if let encryptedMetadataKey = user.encryptedMetadataKey {
+                        let data = Data(base64Encoded: encryptedMetadataKey)
+                        if let decrypted = NCEndToEndEncryption.sharedManager().decryptAsymmetricData(data, privateKey: CCUtility.getEndToEndPrivateKey(account)) {
+                            decryptedMetadataKey = decrypted
+                            metadataKey = decrypted.base64EncodedString()
+                        }
                     }
-                }
-
-                if let encryptedFiledropKey = user.encryptedFiledropKey {
-                    let data = Data(base64Encoded: encryptedFiledropKey)
-                    if let decrypted = NCEndToEndEncryption.sharedManager().decryptAsymmetricData(data, privateKey: CCUtility.getEndToEndPrivateKey(account)) {
-                        decryptedFiledropKey = decrypted
-                        filedropKey = decrypted.base64EncodedString()
+                    
+                    if let encryptedFiledropKey = user.encryptedFiledropKey {
+                        let data = Data(base64Encoded: encryptedFiledropKey)
+                        if let decrypted = NCEndToEndEncryption.sharedManager().decryptAsymmetricData(data, privateKey: CCUtility.getEndToEndPrivateKey(account)) {
+                            decryptedFiledropKey = decrypted
+                            filedropKey = decrypted.base64EncodedString()
+                        }
                     }
+                    
+                    NCManageDatabase.shared.addE2EUsersV2(account: account,
+                                                          serverUrl: serverUrl,
+                                                          ocIdServerUrl: ocIdServerUrl,
+                                                          userId: user.userId,
+                                                          certificate: user.certificate,
+                                                          encryptedFiledropKey: user.encryptedFiledropKey,
+                                                          encryptedMetadataKey: user.encryptedMetadataKey,
+                                                          decryptedFiledropKey: decryptedFiledropKey,
+                                                          decryptedMetadataKey: decryptedMetadataKey,
+                                                          filedropKey: filedropKey,
+                                                          metadataKey: metadataKey)
                 }
-
-                NCManageDatabase.shared.addE2EUsersV2(account: account,
-                                                      serverUrl: serverUrl,
-                                                      ocIdServerUrl: ocIdServerUrl,
-                                                      userId: user.userId,
-                                                      certificate: user.certificate,
-                                                      encryptedFiledropKey: user.encryptedFiledropKey,
-                                                      encryptedMetadataKey: user.encryptedMetadataKey,
-                                                      decryptedFiledropKey: decryptedFiledropKey,
-                                                      decryptedMetadataKey: decryptedMetadataKey,
-                                                      filedropKey: filedropKey,
-                                                      metadataKey: metadataKey)
             }
 
             //