[FIXED] How to redirect from axios interceptor with react Router V4?

Issue

I want to make a redirection in axios interceptors when receiving a 403 error. But how can I access the history outside React components ?

In Navigating Programatically in React-Router v4, it's in the context of a React Component, but here i'm trying in axios context

axios.interceptors.response.use(function (response) {
    // Do something with response data
    return response;
  }, function (error) {
    // Do something with response error
    if(error.response.status === 403) { console.log("Redirection needed !"); }

    // Trow errr again (may be need for some other catch)
    return Promise.reject(error);
});

Solution

I solved that by accessing my Redux Store from outside the Component tree and sending it my same action from the logout button, since my interceptors are created in a separated file and loaded before any Component is loaded.

So, basically, I did the following:

At index.js file:

//....lots of imports ommited for brevity
import { createStore, applyMiddleware } from 'redux';
import reduxThunk from 'redux-thunk';
import reducers from './reducers';
import { UNAUTH_USER } from './actions/types'; //this is just a constants file for action types.

const createStoreWithMiddleware = applyMiddleware(reduxThunk)(createStore);
const store = createStoreWithMiddleware(reducers);

//Here is the guy where I set up the interceptors!
NetworkService.setupInterceptors(store);

//lots of code ommited again...
//Please pay attention to the "RequireAuth" below, we'll talk about it later

ReactDOM.render(
  <Provider store={store}>
      <BrowserRouter>
          <div>
              <Header />
              <main className="plan-container">
                  <Switch>
                      <Route exact path="/" component={Landing} />
                      <Route exact path="/login" component={Login} />
                      <Route exact path="/signup" component={Signup} />
                      <Route exact path="/calendar" component={RequireAuth(Calendar)} />
                      <Route exact path="/profile" component={RequireAuth(Profile)} />
                  </Switch>
              </main>
          </div>
      </BrowserRouter>
  </Provider>
  , document.querySelector('.main-container'));

And at the network-service.js file:

import axios        from 'axios';
import { UNAUTH_USER } from '../actions/types';

export default {
  setupInterceptors: (store) => {

    // Add a response interceptor
    axios.interceptors.response.use(function (response) {
        return response;
    }, function (error) {
        //catches if the session ended!
        if ( error.response.data.token.KEY == 'ERR_EXPIRED_TOKEN') {
            console.log("EXPIRED TOKEN!");
            localStorage.clear();
            store.dispatch({ type: UNAUTH_USER });
        }
        return Promise.reject(error);
    });

  }
};

Last, but not least, I have a HOC (Higher Order Component) that I wrap my protected components where I do the actual redirect when the session is out. That way, when I trigger the action type UNAUTH_USER, it sets my isLogged property at my session reducer to false and therefore this component gets notified and does the redirect for me, at any time.

The file for require-auth.js component:

import React, { Component } from 'react';
import { connect } from 'react-redux';

export default function(ComposedComponent) {

    class RequireAuth extends Component {

        componentWillMount() {
            if(!this.props.session.isLogged) {
                this.props.history.push('/login');
            }
        };

        componentWillUpdate(nextProps) {
            if(!nextProps.session.isLogged) {
                this.props.history.push('/login');
            }
        };

        render() {
            return <ComposedComponent {...this.props} />
        }
    }

    function mapStateToProps(state) {
        return { session: state.session };
    }

    return connect(mapStateToProps)(RequireAuth);
}

Hope that helps!

Answered By - DccBr

Answer Checked By - Candace Johnson (PHPFixing Volunteer)