Let AppKeychain not be static only

passKit/Helpers/AppKeychain.swift

@@ -9,36 +9,38 @@
 import KeychainAccess
 
 public class AppKeychain {
+
+    public static let shared = AppKeychain()
     
-    private static let keychain = Keychain(service: Globals.bundleIdentifier, accessGroup: Globals.groupIdentifier)
+    private let keychain = Keychain(service: Globals.bundleIdentifier, accessGroup: Globals.groupIdentifier)
         .accessibility(.whenUnlockedThisDeviceOnly)
         .synchronizable(false)
 
-    public static func add(data: Data?, for key: String) {
+    public func add(data: Data?, for key: String) {
         keychain[data: key] = data
     }
 
-    public static func add(string: String?, for key: String) {
+    public func add(string: String?, for key: String) {
         keychain[key] = string
     }
 
-    public static func contains(key: String) -> Bool {
+    public func contains(key: String) -> Bool {
         return (try? keychain.contains(key)) ?? false
     }
 
-    public static func get(for key: String) -> Data? {
+    public func get(for key: String) -> Data? {
         return try? keychain.getData(key)
     }
 
-    public static func get(for key: String) -> String? {
+    public func get(for key: String) -> String? {
         return try? keychain.getString(key)
     }
 
-    public static func removeContent(for key: String) {
+    public func removeContent(for key: String) {
         try? keychain.remove(key)
     }
 
-    public static func removeAllContent() {
+    public func removeAllContent() {
         try? keychain.removeAll()
     }
 }

passKit/Models/PGPAgent.swift

@@ -17,10 +17,10 @@ public class PGPAgent {
     // PGP passphrase
     public var passphrase: String? {
         set {
-            AppKeychain.add(string: newValue, for: "pgpKeyPassphrase")
+            AppKeychain.shared.add(string: newValue, for: "pgpKeyPassphrase")
         }
         get {
-            return AppKeychain.get(for: "pgpKeyPassphrase")
+            return AppKeychain.shared.get(for: "pgpKeyPassphrase")
         }
     }
     
@@ -68,12 +68,12 @@ public class PGPAgent {
         }
         
         // Read the key data from keychain.
-        guard let pgpKeyData: Data = AppKeychain.get(for: keyType.getKeychainKey()) else {
+        guard let pgpKeyData: Data = AppKeychain.shared.get(for: keyType.getKeychainKey()) else {
             throw AppError.KeyImport
         }
         
         // Remove the key data from keychain temporary, in case the following step crashes repeatedly.
-        AppKeychain.removeContent(for: keyType.getKeychainKey())
+        AppKeychain.shared.removeContent(for: keyType.getKeychainKey())
         
         // Try GopenpgpwrapperReadKey first.
         if let key = GopenpgpwrapperReadKey(pgpKeyData) {
@@ -83,7 +83,7 @@ public class PGPAgent {
             case .PRIVATE:
                 self.privateKey = key
             }
-            AppKeychain.add(data: pgpKeyData, for: keyType.getKeychainKey())
+            AppKeychain.shared.add(data: pgpKeyData, for: keyType.getKeychainKey())
             return
         }
         
@@ -98,7 +98,7 @@ public class PGPAgent {
             case .PRIVATE:
                 self.privateKeyV2 = key
             }
-            AppKeychain.add(data: pgpKeyData, for: keyType.getKeychainKey())
+            AppKeychain.shared.add(data: pgpKeyData, for: keyType.getKeychainKey())
             return
         }
         
@@ -107,13 +107,13 @@ public class PGPAgent {
     
     public func initPGPKey(from url: URL, keyType: PgpKey) throws {
         let pgpKeyData = try Data(contentsOf: url)
-        AppKeychain.add(data: pgpKeyData, for: keyType.getKeychainKey())
+        AppKeychain.shared.add(data: pgpKeyData, for: keyType.getKeychainKey())
         try initPGPKey(keyType)
     }
     
     public func initPGPKey(with armorKey: String, keyType: PgpKey) throws {
         let pgpKeyData = armorKey.data(using: .ascii)!
-        AppKeychain.add(data: pgpKeyData, for: keyType.getKeychainKey())
+        AppKeychain.shared.add(data: pgpKeyData, for: keyType.getKeychainKey())
         try initPGPKey(keyType)
     }
     
@@ -167,8 +167,8 @@ public class PGPAgent {
     }
     
     public func removePGPKeys() {
-        AppKeychain.removeContent(for: PgpKey.PUBLIC.getKeychainKey())
-        AppKeychain.removeContent(for: PgpKey.PRIVATE.getKeychainKey())
+        AppKeychain.shared.removeContent(for: PgpKey.PUBLIC.getKeychainKey())
+        AppKeychain.shared.removeContent(for: PgpKey.PRIVATE.getKeychainKey())
         passphrase = nil
         publicKey = nil
         privateKey = nil

passKit/Models/PasscodeLock.swift

@@ -12,7 +12,7 @@ public class PasscodeLock {
     private static let identifier = Globals.bundleIdentifier + "passcode"
 
     /// Cached passcode to avoid frequent access to Keychain
-    private var passcode: String? = AppKeychain.get(for: PasscodeLock.identifier)
+    private var passcode: String? = AppKeychain.shared.get(for: PasscodeLock.identifier)
 
     /// Constructor used to migrate passcode from SharedDefaults to Keychain
     private init() {
@@ -27,7 +27,7 @@ public class PasscodeLock {
     }
 
     public func save(passcode: String) {
-        AppKeychain.add(string: passcode, for: PasscodeLock.identifier)
+        AppKeychain.shared.add(string: passcode, for: PasscodeLock.identifier)
         self.passcode = passcode
     }
 
@@ -36,7 +36,7 @@ public class PasscodeLock {
     }
 
     public func delete() {
-        AppKeychain.removeContent(for: PasscodeLock.identifier)
+        AppKeychain.shared.removeContent(for: PasscodeLock.identifier)
         passcode = nil
     }
 }

passKit/Models/PasswordStore.swift

@@ -39,19 +39,19 @@ public class PasswordStore {
     
     public var gitPassword: String? {
         set {
-            AppKeychain.add(string: newValue, for: "gitPassword")
+            AppKeychain.shared.add(string: newValue, for: "gitPassword")
         }
         get {
-            return AppKeychain.get(for: "gitPassword")
+            return AppKeychain.shared.get(for: "gitPassword")
         }
     }
     
     public var gitSSHPrivateKeyPassphrase: String? {
         set {
-            AppKeychain.add(string: newValue, for: "gitSSHPrivateKeyPassphrase")
+            AppKeychain.shared.add(string: newValue, for: "gitSSHPrivateKeyPassphrase")
         }
         get {
-            return AppKeychain.get(for: "gitSSHPrivateKeyPassphrase")
+            return AppKeychain.shared.get(for: "gitSSHPrivateKeyPassphrase")
         }
     }
     
@@ -130,7 +130,7 @@ public class PasswordStore {
     }
     
     public func initGitSSHKey(with armorKey: String) throws {
-        AppKeychain.add(string: armorKey, for: SshKey.PRIVATE.getKeychainKey())
+        AppKeychain.shared.add(string: armorKey, for: SshKey.PRIVATE.getKeychainKey())
     }
     
     public func repositoryExisted() -> Bool {
@@ -642,7 +642,7 @@ public class PasswordStore {
         
         self.pgpAgent?.removePGPKeys()
         
-        AppKeychain.removeAllContent()
+        AppKeychain.shared.removeAllContent()
 
         deleteCoreData(entityName: "PasswordEntity")
         
@@ -726,7 +726,7 @@ public class PasswordStore {
         Defaults.remove(.gitSSHKeySource)
         Defaults.remove(.gitSSHPrivateKeyArmor)
         Defaults.remove(.gitSSHPrivateKeyURL)
-        AppKeychain.removeContent(for: SshKey.PRIVATE.getKeychainKey())
+        AppKeychain.shared.removeContent(for: SshKey.PRIVATE.getKeychainKey())
         gitSSHPrivateKeyPassphrase = nil
     }