[feat] add authenticate function

getclave · Jan 20, 2024 · 27abd73 · 27abd73
1 parent 2e83dc5
commit 27abd73
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Showing 3 changed files with 57 additions and 28 deletions.
diff --git a/src/Passkey.tsx b/src/Passkey.tsx
@@ -71,7 +71,7 @@ export class Passkey {
     userName: string,
     challenge: string,
     options: Partial<CreateOptions> = {}
-  ) {
+  ): Promise<PasskeyRegistrationResult> {
     if (!Passkey.isSupported) {
       throw NotSupportedError;
     }
@@ -92,7 +92,7 @@ export class Passkey {
   }
 
   /**
-   * Authenticates using an existing Passkey
+   * Authenticates using an existing Passkey and returns signature only
    *
    * @param credentialIds The credential IDs of the Passkey to authenticate with
    * @param challenge The FIDO2 Challenge without formatting
@@ -104,7 +104,49 @@ export class Passkey {
     credentialIds: Array<string>,
     challenge: string,
     options: Partial<SignOptions> = {}
-  ) {
+  ): Promise<string> {
+    if (!Passkey.isSupported) {
+      throw NotSupportedError;
+    }
+
+    const challengeBase64 = utils.toBase64(challenge);
+
+    const request = this.generateSignRequest(
+      credentialIds,
+      challengeBase64,
+      options
+    );
+
+    let authResponse: PasskeyAuthenticationResult;
+
+    if (Platform.OS === 'android') {
+      authResponse = await PasskeyAndroid.authenticate(request);
+    } else {
+      authResponse = await PasskeyiOS.authenticate(
+        request,
+        options.withSecurityKey ?? false
+      );
+    }
+
+    const base64Decoded = utils.fromBase64(authResponse.response.signature);
+    const { r, s } = utils.derToRs(base64Decoded);
+    return ['0x', r, s].join('');
+  }
+
+  /**
+   * Authenticates using an existing Passkey and returns full response
+   *
+   * @param credentialIds The credential IDs of the Passkey to authenticate with
+   * @param challenge The FIDO2 Challenge without formatting
+   * @options An object containing options for the authentication process
+   * @returns The FIDO2 Assertion Result in JSON format
+   * @throws
+   */
+  public static async authenticate(
+    credentialIds: Array<string>,
+    challenge: string,
+    options: Partial<SignOptions> = {}
+  ): Promise<PasskeyAuthenticationResult> {
     if (!Passkey.isSupported) {
       throw NotSupportedError;
     }
@@ -119,8 +161,9 @@ export class Passkey {
 
     if (Platform.OS === 'android') {
       return PasskeyAndroid.authenticate(request);
+    } else {
+      return PasskeyiOS.authenticate(request, options.withSecurityKey ?? false);
     }
-    return PasskeyiOS.authenticate(request, options.withSecurityKey ?? false);
   }
 
   /**

diff --git a/src/__tests__/PasskeyAndroid.spec.tsx b/src/__tests__/PasskeyAndroid.spec.tsx
@@ -2,9 +2,6 @@
 import { Platform, NativeModules } from 'react-native';
 import { Passkey } from '../Passkey';
 
-import AuthRequest from './testData/AuthRequest.json';
-import RegRequest from './testData/RegRequest.json';
-
 import AuthAndroidResult from './testData/AuthAndroidResult.json';
 import RegAndroidResult from './testData/RegAndroidResult.json';
 
@@ -17,15 +14,15 @@ describe('Test Passkey Module', () => {
   test('should return unsupported for Android Versions below 28', async () => {
     (Platform as any).setVersion('26');
 
-    expect(await Passkey.isSupported()).toBeFalsy();
+    expect(Passkey.isSupported()).toBeFalsy();
   });
 
   test('should call native register method', async () => {
     const registerSpy = jest
-      .spyOn(NativeModules.Passkey, 'register')
+      .spyOn(NativeModules.Passkey, 'create')
       .mockResolvedValue(JSON.stringify(RegAndroidResult));
 
-    await Passkey.register(RegRequest);
+    await Passkey.create('zet', 'zet', 'zet');
     expect(registerSpy).toHaveBeenCalled();
   });
 
@@ -34,7 +31,7 @@ describe('Test Passkey Module', () => {
       .spyOn(NativeModules.Passkey, 'authenticate')
       .mockResolvedValue(JSON.stringify(AuthAndroidResult));
 
-    await Passkey.authenticate(AuthRequest);
+    await Passkey.sign(['zet'], 'zet');
     expect(authSpy).toHaveBeenCalled();
   });
 
@@ -43,9 +40,7 @@ describe('Test Passkey Module', () => {
       .spyOn(NativeModules.Passkey, 'register')
       .mockResolvedValue(JSON.stringify(RegAndroidResult));
 
-    await Passkey.register(RegRequest, {
-      withSecurityKey: true,
-    });
+    await Passkey.create('zet', 'zet', 'zet');
     expect(registerSpy).toHaveBeenCalled();
   });
 
@@ -54,9 +49,7 @@ describe('Test Passkey Module', () => {
       .spyOn(NativeModules.Passkey, 'authenticate')
       .mockResolvedValue(JSON.stringify(AuthAndroidResult));
 
-    await Passkey.authenticate(AuthRequest, {
-      withSecurityKey: true,
-    });
+    await Passkey.sign(['zet'], 'zet');
     expect(authSpy).toHaveBeenCalled();
   });
 });
diff --git a/src/__tests__/PasskeyiOS.spec.tsx b/src/__tests__/PasskeyiOS.spec.tsx
@@ -2,9 +2,6 @@
 import { Platform, NativeModules } from 'react-native';
 import { Passkey } from '../Passkey';
 
-import AuthRequest from './testData/AuthRequest.json';
-import RegRequest from './testData/RegRequest.json';
-
 import AuthiOSResult from './testData/AuthiOSResult.json';
 import RegiOSResult from './testData/RegiOSResult.json';
 
@@ -25,7 +22,7 @@ describe('Test Passkey Module', () => {
       .spyOn(NativeModules.Passkey, 'register')
       .mockResolvedValue(RegiOSResult);
 
-    await Passkey.register(RegRequest);
+    await Passkey.create('zet', 'zet', 'zet');
     expect(registerSpy).toHaveBeenCalled();
   });
 
@@ -34,7 +31,7 @@ describe('Test Passkey Module', () => {
       .spyOn(NativeModules.Passkey, 'authenticate')
       .mockResolvedValue(AuthiOSResult);
 
-    await Passkey.authenticate(AuthRequest);
+    await Passkey.sign(['zet'], 'zet');
     expect(authSpy).toHaveBeenCalled();
   });
 
@@ -43,9 +40,7 @@ describe('Test Passkey Module', () => {
       .spyOn(NativeModules.Passkey, 'register')
       .mockResolvedValue(RegiOSResult);
 
-    await Passkey.register(RegRequest, {
-      withSecurityKey: true,
-    });
+    await Passkey.create('zet', 'zet', 'zet');
     expect(registerSpy).toHaveBeenCalled();
   });
 
@@ -54,9 +49,7 @@ describe('Test Passkey Module', () => {
       .spyOn(NativeModules.Passkey, 'authenticate')
       .mockResolvedValue(AuthiOSResult);
 
-    await Passkey.authenticate(AuthRequest, {
-      withSecurityKey: true,
-    });
+    await Passkey.sign(['zet'], 'zet');
     expect(authSpy).toHaveBeenCalled();
   });
 });