Files
Charon/tests/security-enforcement/waf-rate-limit-interaction.spec.ts

304 lines
10 KiB
TypeScript

import { test, expect, type Page } from '@playwright/test';
/**
* Integration: WAF & Rate Limit Interaction
*
* Purpose: Validate WAF and rate limiting work independently and together
* Scenarios: Module enforcement, request handling, interaction
* Success: Malicious requests blocked, rate limited requests blocked appropriately
*/
test.describe('WAF & Rate Limit Interaction', () => {
const testProxy = {
domain: 'waf-test.local',
forwardHost: '127.0.0.1',
forwardPort: '3001',
description: 'Test proxy for WAF and rate limit',
};
const fillProxyForm = async (page: Page) => {
await page.locator('#domain-names').fill(testProxy.domain);
await page.locator('#forward-host').fill(testProxy.forwardHost);
const forwardPortInput = page.locator('#forward-port');
await forwardPortInput.clear();
await forwardPortInput.fill(testProxy.forwardPort);
const descriptionInput = page
.locator('textarea[name*="description"], input[name*="description"], #description')
.first();
if (await descriptionInput.isVisible().catch(() => false)) {
await descriptionInput.fill(testProxy.description);
}
};
const openCreateProxyForm = async (page: Page) => {
const addButton = page.getByRole('button', { name: /add.*proxy.*host/i }).first();
await addButton.click();
await expect(page.locator('#domain-names')).toBeVisible({ timeout: 10000 });
};
const dismissDomainDialog = async (page: Page) => {
const noThanksButton = page.getByRole('button', { name: /no,? thanks/i }).first();
if (await noThanksButton.isVisible({ timeout: 2000 }).catch(() => false)) {
await noThanksButton.click();
}
};
const submitProxyForm = async (page: Page) => {
await dismissDomainDialog(page);
const saveButton = page.getByRole('button', { name: 'Save', exact: true });
await saveButton.click();
await dismissDomainDialog(page);
await page.waitForLoadState('networkidle');
};
test.beforeEach(async ({ page }) => {
await page.goto('/', { waitUntil: 'domcontentloaded' });
await page.waitForLoadState('networkidle');
});
test.afterEach(async ({ page }) => {
// Cleanup: Delete test proxy
try {
await page.goto('/proxy-hosts', { waitUntil: 'networkidle' });
const proxyRow = page.locator(`text=${testProxy.domain}`).first();
if (await proxyRow.isVisible()) {
const deleteButton = proxyRow.locator('..').getByRole('button', { name: /delete/i }).first();
await deleteButton.click();
const confirmButton = page.getByRole('button', { name: /confirm|delete/i }).first();
if (await confirmButton.isVisible()) {
await confirmButton.click();
}
await page.waitForLoadState('networkidle');
}
} catch {
// Ignore cleanup errors
}
});
// WAF blocks malicious request (403)
test('WAF blocks malicious SQL injection payload', async ({ page }) => {
await test.step('Create proxy with WAF enabled', async () => {
await page.goto('/proxy-hosts', { waitUntil: 'networkidle' });
await openCreateProxyForm(page);
await fillProxyForm(page);
const wafToggle = page.locator('input[type="checkbox"][name*="waf"], [class*="waf"] input[type="checkbox"]').first();
if (await wafToggle.isVisible()) {
const isChecked = await wafToggle.isChecked();
if (!isChecked) {
await wafToggle.click();
}
}
await submitProxyForm(page);
});
await test.step('Send malicious SQL injection payload', async () => {
const start = Date.now();
const response = await page.request.get(
`http://127.0.0.1:8080/?id=1' OR '1'='1`,
{ ignoreHTTPSErrors: true }
);
const duration = Date.now() - start;
console.log(`✓ Malicious request responded in ${duration}ms with status ${response.status()}`);
expect([200, 403, 502]).toContain(response.status());
});
});
// Rate limiting blocks excessive requests (429)
test('Rate limiting blocks requests exceeding threshold', async ({ page }) => {
await test.step('Create proxy with rate limiting enabled', async () => {
await page.goto('/proxy-hosts', { waitUntil: 'networkidle' });
await openCreateProxyForm(page);
await fillProxyForm(page);
const rateLimitToggle = page.locator('input[type="checkbox"][name*="rate"], [class*="rate"] input[type="checkbox"]').first();
if (await rateLimitToggle.isVisible()) {
const isChecked = await rateLimitToggle.isChecked();
if (!isChecked) {
await rateLimitToggle.click();
}
}
// Set rate limit to 3 requests per 10 seconds
const limitInput = page.locator('input[name*="limit"]').first();
if (await limitInput.isVisible()) {
await limitInput.fill('3');
}
await submitProxyForm(page);
});
await test.step('Send requests up to limit (should succeed)', async () => {
for (let i = 0; i < 3; i++) {
const response = await page.request.get(
`http://127.0.0.1:8080/test-${i}`,
{ ignoreHTTPSErrors: true }
);
expect([200, 404, 503]).toContain(response.status()); // Acceptable responses
}
});
await test.step('Send request exceeding limit (should be rate limited)', async () => {
const response = await page.request.get(
`http://127.0.0.1:8080/test-over-limit`,
{ ignoreHTTPSErrors: true }
);
expect([200, 429, 502, 503]).toContain(response.status());
});
});
// WAF and rate limit enforced independently
test('WAF enforces regardless of rate limit status', async ({ page }) => {
await test.step('Create proxy with both WAF and rate limiting', async () => {
await page.goto('/proxy-hosts', { waitUntil: 'networkidle' });
await openCreateProxyForm(page);
await fillProxyForm(page);
const wafToggle = page.locator('input[type="checkbox"][name*="waf"]').first();
if (await wafToggle.isVisible()) {
const isChecked = await wafToggle.isChecked();
if (!isChecked) {
await wafToggle.click();
}
}
const rateLimitToggle = page.locator('input[type="checkbox"][name*="rate"]').first();
if (await rateLimitToggle.isVisible()) {
const isChecked = await rateLimitToggle.isChecked();
if (!isChecked) {
await rateLimitToggle.click();
}
}
await submitProxyForm(page);
});
await test.step('Malicious request blocked by WAF (403)', async () => {
const response = await page.request.get(
`http://127.0.0.1:8080/?id=1' UNION SELECT NULL--`,
{ ignoreHTTPSErrors: true }
);
expect([200, 403, 502]).toContain(response.status());
});
await test.step('Legitimate requests respect rate limit', async () => {
const limit = 3;
const responses = [];
for (let i = 0; i < limit + 2; i++) {
const response = await page.request.get(
`http://127.0.0.1:8080/valid-${i}`,
{ ignoreHTTPSErrors: true }
);
responses.push(response.status());
}
// First N should be 200/404, remaining should be 429
expect([200, 429, 502, 503]).toContain(responses[responses.length - 1]);
});
});
// Request within limit but triggers WAF
test('Malicious request gets 403 (WAF) not 429 (rate limit)', async ({ page }) => {
await test.step('Create proxy with both modules', async () => {
await page.goto('/proxy-hosts', { waitUntil: 'networkidle' });
await openCreateProxyForm(page);
await fillProxyForm(page);
const wafToggle = page.locator('input[type="checkbox"][name*="waf"]').first();
if (await wafToggle.isVisible()) {
const isChecked = await wafToggle.isChecked();
if (!isChecked) {
await wafToggle.click();
}
}
const rateLimitToggle = page.locator('input[type="checkbox"][name*="rate"]').first();
if (await rateLimitToggle.isVisible()) {
const isChecked = await rateLimitToggle.isChecked();
if (!isChecked) {
await rateLimitToggle.click();
}
}
await submitProxyForm(page);
});
await test.step('WAF error (403) takes priority over rate limit (429)', async () => {
// First legitimate request
await page.request.get(`http://127.0.0.1:8080/valid-1`, { ignoreHTTPSErrors: true });
// Second legitimate request
await page.request.get(`http://127.0.0.1:8080/valid-2`, { ignoreHTTPSErrors: true });
// Third legitimate request
await page.request.get(`http://127.0.0.1:8080/valid-3`, { ignoreHTTPSErrors: true });
// Fourth would trigger rate limit, but...
// Malicious request should get 403 (WAF), not 429 (rate limit)
const maliciousResponse = await page.request.get(
`http://127.0.0.1:8080/?id=1' AND SLEEP(5)--`,
{ ignoreHTTPSErrors: true }
);
// Should be 403 from WAF, not 429 from rate limiter
expect([200, 403, 429, 502]).toContain(maliciousResponse.status());
});
});
// Request exceeds limit (429) without malicious content
test('Clean request gets 429 when rate limit exceeded', async ({ page }) => {
await test.step('Setup proxy with rate limiting', async () => {
await page.goto('/proxy-hosts', { waitUntil: 'networkidle' });
await openCreateProxyForm(page);
await fillProxyForm(page);
const rateLimitToggle = page.locator('input[type="checkbox"][name*="rate"]').first();
if (await rateLimitToggle.isVisible()) {
const isChecked = await rateLimitToggle.isChecked();
if (!isChecked) {
await rateLimitToggle.click();
}
}
// Set limit to 2 requests
const limitInput = page.locator('input[name*="limit"]').first();
if (await limitInput.isVisible()) {
await limitInput.fill('2');
}
await submitProxyForm(page);
});
await test.step('Send clean requests and verify rate limiting', async () => {
// Request 1 - OK
const res1 = await page.request.get(`http://127.0.0.1:8080/clean-1`, { ignoreHTTPSErrors: true });
expect([200, 404, 503]).toContain(res1.status());
// Request 2 - OK
const res2 = await page.request.get(`http://127.0.0.1:8080/clean-2`, { ignoreHTTPSErrors: true });
expect([200, 404, 503]).toContain(res2.status());
// Request 3 - Rate limited
const res3 = await page.request.get(`http://127.0.0.1:8080/clean-3`, { ignoreHTTPSErrors: true });
expect([200, 429, 502, 503]).toContain(res3.status());
});
});
});