cleaning

Signed-off-by: Marino Faggiana <marino@marinofaggiana.com>

iOSClient/Networking/E2EE/NCEndToEndMetadata.swift

@@ -57,13 +57,11 @@ class NCEndToEndMetadata: NSObject {
 
         data.printJson()
 
-        let decoder = JSONDecoder()
-
-        if (try? decoder.decode(E2eeV1.self, from: data)) != nil && NCGlobal.shared.e2eeVersions.contains(NCGlobal.shared.e2eeVersionV11) {
+        if (try? JSONDecoder().decode(E2eeV1.self, from: data)) != nil && NCGlobal.shared.e2eeVersions.contains(NCGlobal.shared.e2eeVersionV11) {
             return decodeMetadataV1(json, serverUrl: serverUrl, account: account, ocIdServerUrl: directory.ocId, urlBase: urlBase, userId: userId)
-        } else if (try? decoder.decode(E2eeV12.self, from: data)) != nil && NCGlobal.shared.e2eeVersions.contains(NCGlobal.shared.e2eeVersionV12) {
+        } else if (try? JSONDecoder().decode(E2eeV12.self, from: data)) != nil && NCGlobal.shared.e2eeVersions.contains(NCGlobal.shared.e2eeVersionV12) {
             return decodeMetadataV12(json, serverUrl: serverUrl, account: account, ocIdServerUrl: directory.ocId, urlBase: urlBase, userId: userId, ownerId: ownerId)
-        } else if (try? decoder.decode(E2eeV20.self, from: data)) != nil && NCGlobal.shared.e2eeVersions.contains(NCGlobal.shared.e2eeVersionV20) {
+        } else if (try? JSONDecoder().decode(E2eeV20.self, from: data)) != nil && NCGlobal.shared.e2eeVersions.contains(NCGlobal.shared.e2eeVersionV20) {
             return decodeMetadataV20(json, signature: signature, serverUrl: serverUrl, account: account, ocIdServerUrl: directory.ocId, urlBase: urlBase, userId: userId, ownerId: ownerId)
         } else {
             return NKError(errorCode: NCGlobal.shared.errorE2EEVersion, errorDescription: "Server E2EE version " + NCGlobal.shared.capabilityE2EEApiVersion + ", not compatible")