Support localizedCancelTitle in Capacitor

Author: louischan-oursky

packages/authgear-capacitor/ios/Plugin/AuthgearPlugin.swift

@@ -136,9 +136,10 @@ public class AuthgearPlugin: CAPPlugin {
     @objc func checkBiometricSupported(_ call: CAPPluginCall) {
         let ios = call.getObject("ios")!
         let policyString = ios["policy"] as! String
+        let localizedCancelTitle = ios["localizedCancelTitle"] as? String
         DispatchQueue.main.async {
             do {
-                try self.impl.checkBiometricSupported(policyString: policyString)
+                try self.impl.checkBiometricSupported(policyString: policyString, localizedCancelTitle: localizedCancelTitle)
                 call.resolve()
             } catch {
                 error.reject(call)
@@ -153,12 +154,14 @@ public class AuthgearPlugin: CAPPlugin {
         let constraint = ios["constraint"] as! String
         let policyString = ios["policy"] as! String
         let localizedReason = ios["localizedReason"] as! String
+        let localizedCancelTitle = ios["localizedCancelTitle"] as? String
         let tag = "com.authgear.keys.biometric.\(kid)"
 
         DispatchQueue.main.async {
             self.impl.createBiometricPrivateKey(
                 policyString: policyString,
                 localizedReason: localizedReason,
+                localizedCancelTitle: localizedCancelTitle,
                 constraint: constraint,
                 kid: kid,
                 tag: tag,
@@ -182,12 +185,14 @@ public class AuthgearPlugin: CAPPlugin {
         let ios = call.getObject("ios")!
         let policyString = ios["policy"] as! String
         let localizedReason = ios["localizedReason"] as! String
+        let localizedCancelTitle = ios["localizedCancelTitle"] as? String
         let tag = "com.authgear.keys.biometric.\(kid)"
 
         DispatchQueue.main.async {
             self.impl.signWithBiometricPrivateKey(
                 policyString: policyString,
                 localizedReason: localizedReason,
+                localizedCancelTitle: localizedCancelTitle,
                 kid: kid,
                 tag: tag,
                 payload: payload

packages/authgear-capacitor/ios/Plugin/AuthgearPluginImpl.swift

@@ -250,10 +250,10 @@ import Capacitor
         controller?.start()
     }
 
-    @objc func checkBiometricSupported(policyString: String) throws {
+    @objc func checkBiometricSupported(policyString: String, localizedCancelTitle: String?) throws {
         if #available(iOS 11.3, *) {
             let policy = LAPolicy.from(string: policyString)!
-            let laContext = self.makeLAContext(policy: policy)
+            let laContext = self.makeLAContext(policy: policy, localizedCancelTitle: localizedCancelTitle)
             var error: NSError?
             laContext.canEvaluatePolicy(policy, error: &error)
             if let error = error {
@@ -267,14 +267,15 @@ import Capacitor
     @objc func createBiometricPrivateKey(
         policyString: String,
         localizedReason: String,
+        localizedCancelTitle: String?,
         constraint: String,
         kid: String,
         tag: String,
         payload: [String: Any],
         completion: @escaping (String?, Error?) -> Void
     ) {
         let policy = LAPolicy.from(string: policyString)!
-        let ctx = makeLAContext(policy: policy)
+        let ctx = makeLAContext(policy: policy, localizedCancelTitle: localizedCancelTitle)
         ctx.evaluatePolicy(policy, localizedReason: localizedReason) { ok, error in
             if let error = error {
                 completion(nil, error)
@@ -296,13 +297,14 @@ import Capacitor
     @objc func signWithBiometricPrivateKey(
         policyString: String,
         localizedReason: String,
+        localizedCancelTitle: String?,
         kid: String,
         tag: String,
         payload: [String: Any],
         completion: @escaping (String?, Error?) -> Void
     ) {
         let policy = LAPolicy.from(string: policyString)!
-        let ctx = makeLAContext(policy: policy)
+        let ctx = makeLAContext(policy: policy, localizedCancelTitle: localizedCancelTitle)
         ctx.evaluatePolicy(policy, localizedReason: localizedReason) { ok, error in
             if let error = error {
                 completion(nil, error)
@@ -393,11 +395,12 @@ import Capacitor
         return window
     }
 
-    private func makeLAContext(policy: LAPolicy) -> LAContext {
+    private func makeLAContext(policy: LAPolicy, localizedCancelTitle: String?) -> LAContext {
         let ctx = LAContext()
         if policy == LAPolicy.deviceOwnerAuthenticationWithBiometrics {
             ctx.localizedFallbackTitle = "";
         }
+        ctx.localizedCancelTitle = localizedCancelTitle
         return ctx
     }
 

packages/authgear-capacitor/src/types.ts

@@ -277,11 +277,17 @@ export enum BiometricAccessConstraintIOS {
  */
 export interface BiometricOptionsIOS {
   /**
-   * See https://developer.apple.com/documentation/localauthentication/lacontext/1514176-evaluatepolicy#parameters
+   * See https://developer.apple.com/documentation/localauthentication/lacontext/localizedreason
    *
    * @public
    */
   localizedReason: string;
+  /**
+   * See https://developer.apple.com/documentation/localauthentication/lacontext/localizedcanceltitle
+   *
+   * @public
+   */
+  localizedCancelTitle?: string;
   constraint: BiometricAccessConstraintIOS;
   policy: BiometricLAPolicy;
 }