feat(event): April Foolin

test/api/unit/middlewares/ipBlocker.test.js

@@ -0,0 +1,94 @@
+import nconf from 'nconf';
+import requireAgain from 'require-again';
+import {
+  generateRes,
+  generateReq,
+  generateNext,
+} from '../../../helpers/api-unit.helper';
+import { Forbidden } from '../../../../website/server/libs/errors';
+import apiError from '../../../../website/server/libs/apiError';
+
+function checkErrorThrown (next) {
+  expect(next).to.have.been.calledOnce;
+  const calledWith = next.getCall(0).args;
+  expect(calledWith[0].message).to.equal(apiError('ipAddressBlocked'));
+  expect(calledWith[0] instanceof Forbidden).to.equal(true);
+}
+
+function checkErrorNotThrown (next) {
+  expect(next).to.have.been.calledOnce;
+  const calledWith = next.getCall(0).args;
+  expect(typeof calledWith[0] === 'undefined').to.equal(true);
+}
+
+describe('ipBlocker middleware', () => {
+  const pathToIpBlocker = '../../../../website/server/middlewares/ipBlocker';
+
+  let res; let req; let next;
+
+  beforeEach(() => {
+    res = generateRes();
+    req = generateReq();
+    next = generateNext();
+  });
+
+  it('is disabled when the env var is not defined', () => {
+    sandbox.stub(nconf, 'get').withArgs('BLOCKED_IPS').returns(undefined);
+    const attachIpBlocker = requireAgain(pathToIpBlocker).default;
+    attachIpBlocker(req, res, next);
+
+    checkErrorNotThrown(next);
+  });
+
+  it('is disabled when the env var is an empty string', () => {
+    sandbox.stub(nconf, 'get').withArgs('BLOCKED_IPS').returns('');
+    const attachIpBlocker = requireAgain(pathToIpBlocker).default;
+    attachIpBlocker(req, res, next);
+
+    checkErrorNotThrown(next);
+  });
+
+  it('is disabled when the env var contains comma separated empty strings', () => {
+    sandbox.stub(nconf, 'get').withArgs('BLOCKED_IPS').returns(' , , ');
+    const attachIpBlocker = requireAgain(pathToIpBlocker).default;
+    attachIpBlocker(req, res, next);
+
+    checkErrorNotThrown(next);
+  });
+
+  it('does not throw when the ip does not match', () => {
+    req.headers['x-forwarded-for'] = '192.168.1.1';
+    sandbox.stub(nconf, 'get').withArgs('BLOCKED_IPS').returns('192.168.1.2');
+    const attachIpBlocker = requireAgain(pathToIpBlocker).default;
+    attachIpBlocker(req, res, next);
+
+    checkErrorNotThrown(next);
+  });
+
+  it('throws when a matching ip exist in x-forwarded-for', () => {
+    req.headers['x-forwarded-for'] = '192.168.1.1';
+    sandbox.stub(nconf, 'get').withArgs('BLOCKED_IPS').returns('192.168.1.1');
+    const attachIpBlocker = requireAgain(pathToIpBlocker).default;
+    attachIpBlocker(req, res, next);
+
+    checkErrorThrown(next);
+  });
+
+  it('trims ips in x-forwarded-for', () => {
+    req.headers['x-forwarded-for'] = '192.168.1.1';
+    sandbox.stub(nconf, 'get').withArgs('BLOCKED_IPS').returns(',  192.168.1.1 ,   192.168.1.4, ');
+    const attachIpBlocker = requireAgain(pathToIpBlocker).default;
+    attachIpBlocker(req, res, next);
+
+    checkErrorThrown(next);
+  });
+
+  it('works when multiple ips are passed in x-forwarded-for', () => {
+    req.headers['x-forwarded-for'] = '192.168.1.4';
+    sandbox.stub(nconf, 'get').withArgs('BLOCKED_IPS').returns('192.168.1.1, 192.168.1.4, 192.168.1.3');
+    const attachIpBlocker = requireAgain(pathToIpBlocker).default;
+    attachIpBlocker(req, res, next);
+
+    checkErrorThrown(next);
+  });
+});