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7 changes: 4 additions & 3 deletions .env
Original file line number Diff line number Diff line change
Expand Up @@ -23,11 +23,12 @@ APP_SECRET=
# Format described at https://www.doctrine-project.org/projects/doctrine-dbal/en/latest/reference/configuration.html#connecting-using-a-url
# IMPORTANT: You MUST configure your server version, either here or in config/packages/doctrine.yaml
#
DATABASE_URL=sqlite:///%kernel.project_dir%/data/database.sqlite
# DATABASE_URL="mysql://app:[email protected]:3306/app?serverVersion=8&charset=utf8mb4"
DATABASE_URL="sqlite:///%kernel.project_dir%/data/database.sqlite"
# DATABASE_URL="mysql://app:[email protected]:3306/app?serverVersion=8.0.32&charset=utf8mb4"
# DATABASE_URL="mysql://app:[email protected]:3306/app?serverVersion=10.11.2-MariaDB&charset=utf8mb4"
# DATABASE_URL="postgresql://app:[email protected]:5432/app?serverVersion=16&charset=utf8"
###< doctrine/doctrine-bundle ###

###> symfony/mailer ###
# MAILER_DSN=null://null
MAILER_DSN=null://null
###< symfony/mailer ###
1 change: 0 additions & 1 deletion assets/bootstrap.js
Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
import { startStimulusApp } from '@symfony/stimulus-bundle';

const app = startStimulusApp();

// register any custom, 3rd party controllers here
// app.register('some_controller_name', SomeImportedController);
79 changes: 79 additions & 0 deletions assets/controllers/csrf_protection_controller.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,79 @@
const nameCheck = /^[-_a-zA-Z0-9]{4,22}$/;
const tokenCheck = /^[-_\/+a-zA-Z0-9]{24,}$/;

// Generate and double-submit a CSRF token in a form field and a cookie, as defined by Symfony's SameOriginCsrfTokenManager
document.addEventListener('submit', function (event) {
generateCsrfToken(event.target);
}, true);

// When @hotwired/turbo handles form submissions, send the CSRF token in a header in addition to a cookie
// The `framework.csrf_protection.check_header` config option needs to be enabled for the header to be checked
document.addEventListener('turbo:submit-start', function (event) {
const h = generateCsrfHeaders(event.detail.formSubmission.formElement);
Object.keys(h).map(function (k) {
event.detail.formSubmission.fetchRequest.headers[k] = h[k];
});
});

// When @hotwired/turbo handles form submissions, remove the CSRF cookie once a form has been submitted
document.addEventListener('turbo:submit-end', function (event) {
removeCsrfToken(event.detail.formSubmission.formElement);
});

export function generateCsrfToken (formElement) {
const csrfField = formElement.querySelector('input[data-controller="csrf-protection"], input[name="_csrf_token"]');

if (!csrfField) {
return;
}

let csrfCookie = csrfField.getAttribute('data-csrf-protection-cookie-value');
let csrfToken = csrfField.value;

if (!csrfCookie && nameCheck.test(csrfToken)) {
csrfField.setAttribute('data-csrf-protection-cookie-value', csrfCookie = csrfToken);
csrfField.defaultValue = csrfToken = btoa(String.fromCharCode.apply(null, (window.crypto || window.msCrypto).getRandomValues(new Uint8Array(18))));
csrfField.dispatchEvent(new Event('change', { bubbles: true }));
}

if (csrfCookie && tokenCheck.test(csrfToken)) {
const cookie = csrfCookie + '_' + csrfToken + '=' + csrfCookie + '; path=/; samesite=strict';
document.cookie = window.location.protocol === 'https:' ? '__Host-' + cookie + '; secure' : cookie;
}
}

export function generateCsrfHeaders (formElement) {
const headers = {};
const csrfField = formElement.querySelector('input[data-controller="csrf-protection"], input[name="_csrf_token"]');

if (!csrfField) {
return headers;
}

const csrfCookie = csrfField.getAttribute('data-csrf-protection-cookie-value');

if (tokenCheck.test(csrfField.value) && nameCheck.test(csrfCookie)) {
headers[csrfCookie] = csrfField.value;
}

return headers;
}

export function removeCsrfToken (formElement) {
const csrfField = formElement.querySelector('input[data-controller="csrf-protection"], input[name="_csrf_token"]');

if (!csrfField) {
return;
}

const csrfCookie = csrfField.getAttribute('data-csrf-protection-cookie-value');

if (tokenCheck.test(csrfField.value) && nameCheck.test(csrfCookie)) {
const cookie = csrfCookie + '_' + csrfField.value + '=0; path=/; samesite=strict; max-age=0';

document.cookie = window.location.protocol === 'https:' ? '__Host-' + cookie + '; secure' : cookie;
}
}

/* stimulusFetch: 'lazy' */
export default 'csrf-protection-controller';
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