[authService refactor] Fix browser by not using instanceof (#647)

* use authenticationType enum instead of instanceof

common/src/enums/authenticationType.ts

@@ -0,0 +1,5 @@
+export enum AuthenticationType {
+  Password = 0,
+  Sso = 1,
+  Api = 2,
+}

common/src/models/domain/logInCredentials.ts

@@ -1,6 +1,10 @@
+import { AuthenticationType } from "../../enums/authenticationType";
+
 import { TokenRequestTwoFactor } from "../request/identityToken/tokenRequest";
 
 export class PasswordLogInCredentials {
+  readonly type = AuthenticationType.Password;
+
   constructor(
     public email: string,
     public masterPassword: string,
@@ -10,6 +14,8 @@ export class PasswordLogInCredentials {
 }
 
 export class SsoLogInCredentials {
+  readonly type = AuthenticationType.Sso;
+
   constructor(
     public code: string,
     public codeVerifier: string,
@@ -20,5 +26,7 @@ export class SsoLogInCredentials {
 }
 
 export class ApiLogInCredentials {
+  readonly type = AuthenticationType.Api;
+
   constructor(public clientId: string, public clientSecret: string) {}
 }

common/src/services/auth.service.ts

@@ -28,6 +28,8 @@ import { StateService } from "../abstractions/state.service";
 import { TokenService } from "../abstractions/token.service";
 import { TwoFactorService } from "../abstractions/twoFactor.service";
 
+import { AuthenticationType } from "../enums/authenticationType";
+
 export class AuthService implements AuthServiceAbstraction {
   get email(): string {
     return this.logInStrategy instanceof PasswordLogInStrategy ? this.logInStrategy.email : null;
@@ -60,10 +62,9 @@ export class AuthService implements AuthServiceAbstraction {
   ): Promise<AuthResult> {
     this.clearState();
 
-    let result: AuthResult;
     let strategy: ApiLogInStrategy | PasswordLogInStrategy | SsoLogInStrategy;
 
-    if (credentials instanceof PasswordLogInCredentials) {
+    if (credentials.type === AuthenticationType.Password) {
       strategy = new PasswordLogInStrategy(
         this.cryptoService,
         this.apiService,
@@ -76,8 +77,7 @@ export class AuthService implements AuthServiceAbstraction {
         this.twoFactorService,
         this
       );
-      result = await strategy.logIn(credentials);
+    } else if (credentials.type === AuthenticationType.Sso) {
-    } else if (credentials instanceof SsoLogInCredentials) {
       strategy = new SsoLogInStrategy(
         this.cryptoService,
         this.apiService,
@@ -90,8 +90,7 @@ export class AuthService implements AuthServiceAbstraction {
         this.twoFactorService,
         this.keyConnectorService
       );
-      result = await strategy.logIn(credentials);
+    } else if (credentials.type === AuthenticationType.Api) {
-    } else if (credentials instanceof ApiLogInCredentials) {
       strategy = new ApiLogInStrategy(
         this.cryptoService,
         this.apiService,
@@ -105,9 +104,10 @@ export class AuthService implements AuthServiceAbstraction {
         this.environmentService,
         this.keyConnectorService
       );
-      result = await strategy.logIn(credentials);
     }
 
+    const result = await strategy.logIn(credentials as any);
+
     if (result?.requiresTwoFactor) {
       this.saveState(strategy);
     }