Managing CSRF tokens in React Relay: best practices

Question

Managing CSRF tokens in React Relay: best practices

I have been diligently working on a React Native application that communicates with a GraphQL API from a Django server.

Within React Native, I have decided to utilize React Relay for handling my GraphQL requests (following the instructions provided here). Unfortunately, I am encountering 403 errors with my requests.

The error message indicates that the

CSRF token is missing or incorrect

, and I am currently exploring how to resolve this issue effectively.

I am aware that I need to acquire a CSRF cookie token first and then find a way to include it in my GraphQL POST request. However, I am facing difficulties in implementing this process. My current approach involves...

fetch('http://' + ip + ':8000/sign-in/') 
    .then((response) => {
        const cookieHeader = response.headers.map["set-cookie"]; // This retrieves a response containing a CSRF token
        fetch('http://' + ip + ':8000/graphql', {
          method: 'POST',
          headers: {
            'Accept': 'application/json',
            'Content-Type': 'application/json',
            'Cookie': cookieHeader, // Attempting to pass the received cookie in my POST
            'XSRF-TOKEN': cookieHeader // Experimenting with this as well
          },
          body: JSON.stringify({
            query: operation.text,
            variables,
          }),
        }).then(response => {
          console.log('RESPONSE', response) // Currently receiving a 403 error
          return response.json()
        })
    })

Despite following this process, I continue to encounter the 403 error.

I have struggled to find additional guidance on resolving this issue. Can anyone pinpoint where I may be making mistakes, or offer alternative suggestions to tackle this problem?

(below is an image showing my API requests)

https://i.stack.imgur.com/0RQZC.png

reactjs react-native csrf react-relay

Answer 1

Answer №1

After some troubleshooting, I was able to make it functional using the code snippet below...

const fetchGraphQLData = () => {
    return getCsrfToken().then(csrfToken => {
        if (csrfToken == null) {
            console.log('CSRF Token is not set')
        }

        const url = 'http://' + ip + '/graphql'
        return fetch(url, {
                method: 'POST',
                headers: {
                    'Accept': 'application/json',
                    'Content-Type': 'application/json',
                    'X-CSRFToken': csrfToken
                },
                body: JSON.stringify({
                    query: operation.text,
                    variables,
                }),
            })
            .then(response => {
                return response.json()
            })
            .catch(error => {
                console.log('Encountered a POST Error', error)
            })
    });
};

function getCsrfToken() {
    var url = 'http://' + ip + '/graphql';
    return CookieManager.get(url).then(response => {
        return response.csrftoken;
    });
}

Answer 2

After some troubleshooting, I was able to make it functional using the code snippet below...

const fetchGraphQLData = () => {
    return getCsrfToken().then(csrfToken => {
        if (csrfToken == null) {
            console.log('CSRF Token is not set')
        }

        const url = 'http://' + ip + '/graphql'
        return fetch(url, {
                method: 'POST',
                headers: {
                    'Accept': 'application/json',
                    'Content-Type': 'application/json',
                    'X-CSRFToken': csrfToken
                },
                body: JSON.stringify({
                    query: operation.text,
                    variables,
                }),
            })
            .then(response => {
                return response.json()
            })
            .catch(error => {
                console.log('Encountered a POST Error', error)
            })
    });
};

function getCsrfToken() {
    var url = 'http://' + ip + '/graphql';
    return CookieManager.get(url).then(response => {
        return response.csrftoken;
    });
}

Answer 3

Answer №2

After encountering a CSRF error while using Relay for Django + GraphQL, I realized that I needed to adjust the fetch headers to align with my Django backend's security settings. Since I was accessing Relay in the browser, I retrieved the CSRF token from a cookie.

Even though I had followed the Django documentation on implementing CSRF with AJAX and cookies, I still encountered issues due to my specific security configurations. Adding the "same-origin" credential in the fetch headers resolved the problem. Here are the modifications I made compared to the Relay Quick Start tutorial:

import { get as getCookie} from 'browser-cookies'

return fetch('/graphql/', { // Ensured a trailing slash is included
  method: 'POST',
  credentials: "same-origin", // Added for proper authentication
  headers: {
    'Content-Type': 'application/json',
    'X-CSRFToken': getCookie('csrftoken'), // Acquiring token from cookies
  },
  body: JSON.stringify({
    query: operation.text,
    variables,
  }),
}).then(response => {
  return response.json();
});

By making these adjustments, I successfully resolved the CSRF error in my application.

Answer 4

After encountering a CSRF error while using Relay for Django + GraphQL, I realized that I needed to adjust the fetch headers to align with my Django backend's security settings. Since I was accessing Relay in the browser, I retrieved the CSRF token from a cookie.

Even though I had followed the Django documentation on implementing CSRF with AJAX and cookies, I still encountered issues due to my specific security configurations. Adding the "same-origin" credential in the fetch headers resolved the problem. Here are the modifications I made compared to the Relay Quick Start tutorial:

import { get as getCookie} from 'browser-cookies'

return fetch('/graphql/', { // Ensured a trailing slash is included
  method: 'POST',
  credentials: "same-origin", // Added for proper authentication
  headers: {
    'Content-Type': 'application/json',
    'X-CSRFToken': getCookie('csrftoken'), // Acquiring token from cookies
  },
  body: JSON.stringify({
    query: operation.text,
    variables,
  }),
}).then(response => {
  return response.json();
});

By making these adjustments, I successfully resolved the CSRF error in my application.

Managing CSRF tokens in React Relay: best practices

Answer №1

Answer №2

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