Reset CoreData if on old model (needs a better migration policy)

Author: EthanLipnik

OpenSesame.xcodeproj/project.xcworkspace/xcuserdata/ethan.xcuserdatad/UserInterfaceState.xcuserstate

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="19197" systemVersion="21A5304g" minimumToolsVersion="Automatic" sourceLanguage="Swift" usedWithCloudKit="YES" userDefinedModelVersionIdentifier="">
+    <entity name="Account" representedClassName="Account" syncable="YES" codeGenerationType="class">
+        <attribute name="dateAdded" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
+        <attribute name="domain" attributeType="String" defaultValueString=""/>
+        <attribute name="isPinned" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES"/>
+        <attribute name="lastModified" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
+        <attribute name="notes" optional="YES" attributeType="String"/>
+        <attribute name="otpAuth" optional="YES" attributeType="String"/>
+        <attribute name="password" optional="YES" attributeType="Binary" defaultValueString="" allowsCloudEncryption="YES"/>
+        <attribute name="passwordLength" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="YES"/>
+        <attribute name="url" attributeType="String" defaultValueString=""/>
+        <attribute name="username" attributeType="String" defaultValueString=""/>
+        <relationship name="vault" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Vault" inverseName="accounts" inverseEntity="Vault"/>
+    </entity>
+    <entity name="Vault" representedClassName="Vault" syncable="YES" codeGenerationType="class">
+        <attribute name="name" attributeType="String" defaultValueString=""/>
+        <relationship name="accounts" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="Account" inverseName="vault" inverseEntity="Account"/>
+    </entity>
+    <elements>
+        <element name="Account" positionX="-54" positionY="9" width="128" height="194"/>
+        <element name="Vault" positionX="-63" positionY="-18" width="128" height="59"/>
+    </elements>
+</model>

Shared/OpenSesame.xcdatamodeld/Shared 1.1.xcdatamodel/contents

@@ -3,10 +3,8 @@
     <entity name="Account" representedClassName="Account" syncable="YES" codeGenerationType="class">
         <attribute name="dateAdded" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
         <attribute name="domain" attributeType="String" defaultValueString=""/>
-        <attribute name="encryptionTag" attributeType="String" defaultValueString=""/>
         <attribute name="isPinned" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES"/>
         <attribute name="lastModified" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
-        <attribute name="nonce" optional="YES" attributeType="String"/>
         <attribute name="notes" optional="YES" attributeType="String"/>
         <attribute name="otpAuth" optional="YES" attributeType="String"/>
         <attribute name="password" optional="YES" attributeType="Binary" defaultValueString="" allowsCloudEncryption="YES"/>
@@ -20,7 +18,7 @@
         <relationship name="accounts" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="Account" inverseName="vault" inverseEntity="Account"/>
     </entity>
     <elements>
-        <element name="Account" positionX="-54" positionY="9" width="128" height="224"/>
+        <element name="Account" positionX="-54" positionY="9" width="128" height="194"/>
         <element name="Vault" positionX="-63" positionY="-18" width="128" height="59"/>
     </elements>
 </model>

Shared/OpenSesame.xcdatamodeld/Shared.xcdatamodel/contents

@@ -7,6 +7,7 @@
 
 import Foundation
 import CoreData
+import KeychainAccess
 
 struct PersistenceController {
     static let shared = PersistenceController()
@@ -52,6 +53,16 @@ struct PersistenceController {
 
             print("CoreData location", PersistenceController.storeURL.path)
         }
+        
+        if let coreDataVersion = UserDefaults(suiteName: "group.OpenSesame.ethanlipnik")?.float(forKey: "coreDataVersion"), coreDataVersion < 1.1 {
+            try? FileManager.default.removeItem(at: PersistenceController.storeURL)
+            try? Keychain(service: "com.ethanlipnik.OpenSesame", accessGroup: "B6QG723P8Z.OpenSesame")
+                .synchronizable(true)
+                .remove("encryptionTest")
+            
+            UserDefaults(suiteName: "group.OpenSesame.ethanlipnik")?.set(1.1, forKey: "coreDataVersion")
+        }
+        
         let viewContext = container.viewContext
         container.loadPersistentStores(completionHandler: { (storeDescription, error) in
             if let error = error as NSError? {

Shared/OpenSesameMapping.xcmappingmodel/xcmapping.xml

@@ -58,7 +58,11 @@ extension ContentView {
         Section("Pinned") {
             ForEach(pinnedAccounts) { account in
                 NavigationLink {
-                    VaultView(vault: account.vault!, selectedAccount: account)
+                    if let vault = account.vault {
+                        VaultView(vault: vault, selectedAccount: account)
+                    } else {
+                        Text("Failed to get vault for pinned account")
+                    }
                 } label: {
                     VStack(alignment: .leading) {
                         Text(account.domain!.capitalizingFirstLetter())

Shared/Persistence.swift

@@ -18,6 +18,7 @@ extension LockView {
                     .font(.title.bold())
                 GroupBox {
                     TextField("Enter a new master password", text: $password, onCommit: {
+                        guard !password.isEmpty else { return }
                         completionAction(password)
                     })
                         .font(.system(.body, design: .monospaced))
@@ -28,6 +29,7 @@ extension LockView {
 #endif
                 }
                 Button("Continue") {
+                    guard !password.isEmpty else { return }
                     completionAction(password)
                 }
             }