Securing Routes with Firebase User Authentication in ReactJS

Question

Securing Routes with Firebase User Authentication in ReactJS

Currently, I am encountering an issue with the auth.onAuthStateChanged function in my Firebase user authentication service integrated with ReactJS. The function fires after the component has already been rendered, causing problems with redirecting users to specific pages when using protected routes and passing props. For example, upon successful authentication on the domain.com/signin page, the user should be redirected to domain.com/customers. However, the current behavior only directs them to domain.com, and upon logout, they should be redirected back to domain.com/signin.

Here is the code snippet: https://codesandbox.io/s/serverless-leaf-pgtf1?fontsize=14

In an attempt to resolve this issue, I tried implementing the following code:

auth.onAuthStateChanged(user => {
    if (user && user.emailVerified) {
       this.setState({
         authenticated: true
      });
    } else {
       this.setState({
         authenticated: false
       });
    }
});

javascript reactjs firebase firebase-authentication

Answer 1

Answer №1

Your high order component, UnauthorizedRoute, is designed to redirect users to the home page at domain.com/ when they are not authenticated.

const UnauthorizedRoute = ({
  component: Component,
  authenticated,
  ...rest
}) => {
  return (
    <Route
      {...rest}
      render={props =>
        authenticated === false ? (
          <Component {...props} {...rest} />
        ) : (
          <Redirect to="/" />
        )
      }
    />
  );
};

To customize the redirection path for authenticated users, you can add an additional prop called afterAuthPath to the UnauthorizedRoute component. If this prop is provided, the component will redirect users to the specified path after authentication. Here's how you can implement it:

const UnauthorizedRoute = ({
  component: Component,
  authenticated,
  afterAuthPath,
  ...rest
}) => {
  const redirectPath = afterAuthPath || "/";
  return (
    <Route
      {...rest}
      render={props =>
        authenticated === false ? (
          <Component {...props} {...rest} />
        ) : (
          <Redirect to={redirectPath} />
        )
      }
    />
  );
};

You can apply this behavior to routes like sign in by specifying the desired redirection path after authentication:

<UnauthorizedRoute
  authenticated={props.authenticated}
  path="/signin"
  afterAuthPath="/customers"
  component={SignInCustomer}
/>

Answer 2

Your high order component, UnauthorizedRoute, is designed to redirect users to the home page at domain.com/ when they are not authenticated.

const UnauthorizedRoute = ({
  component: Component,
  authenticated,
  ...rest
}) => {
  return (
    <Route
      {...rest}
      render={props =>
        authenticated === false ? (
          <Component {...props} {...rest} />
        ) : (
          <Redirect to="/" />
        )
      }
    />
  );
};

To customize the redirection path for authenticated users, you can add an additional prop called afterAuthPath to the UnauthorizedRoute component. If this prop is provided, the component will redirect users to the specified path after authentication. Here's how you can implement it:

const UnauthorizedRoute = ({
  component: Component,
  authenticated,
  afterAuthPath,
  ...rest
}) => {
  const redirectPath = afterAuthPath || "/";
  return (
    <Route
      {...rest}
      render={props =>
        authenticated === false ? (
          <Component {...props} {...rest} />
        ) : (
          <Redirect to={redirectPath} />
        )
      }
    />
  );
};

You can apply this behavior to routes like sign in by specifying the desired redirection path after authentication:

<UnauthorizedRoute
  authenticated={props.authenticated}
  path="/signin"
  afterAuthPath="/customers"
  component={SignInCustomer}
/>

Securing Routes with Firebase User Authentication in ReactJS

Answer №1

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