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https://github.com/czlonkowski/n8n-mcp.git
synced 2026-02-06 13:33:11 +00:00
feat: add anonymous telemetry system with Supabase integration
- Implement telemetry manager for tracking tool usage and workflows - Add workflow sanitizer to remove sensitive data before storage - Create config manager with opt-in/opt-out mechanism - Integrate telemetry tracking into MCP server and workflow handlers - Add CLI commands for telemetry control (enable/disable/status) - Show first-run notice with clear privacy information - Add comprehensive unit tests for sanitization and config - Track tool usage metrics, workflow patterns, and errors - Ensure complete anonymity with deterministic user IDs - Never collect URLs, API keys, or sensitive information
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czlonkowski
306
tests/unit/telemetry/workflow-sanitizer.test.ts
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306
tests/unit/telemetry/workflow-sanitizer.test.ts
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import { describe, it, expect } from 'vitest';
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import { WorkflowSanitizer } from '../../../src/telemetry/workflow-sanitizer';
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describe('WorkflowSanitizer', () => {
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describe('sanitizeWorkflow', () => {
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it('should remove API keys from parameters', () => {
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const workflow = {
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nodes: [
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{
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id: '1',
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name: 'HTTP Request',
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type: 'n8n-nodes-base.httpRequest',
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position: [100, 100],
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parameters: {
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url: 'https://api.example.com',
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apiKey: 'sk-1234567890abcdef1234567890abcdef',
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headers: {
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'Authorization': 'Bearer sk-1234567890abcdef1234567890abcdef'
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}
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}
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}
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],
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connections: {}
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};
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const sanitized = WorkflowSanitizer.sanitizeWorkflow(workflow);
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expect(sanitized.nodes[0].parameters.apiKey).toBe('[REDACTED]');
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expect(sanitized.nodes[0].parameters.headers.Authorization).toBe('[REDACTED]');
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});
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it('should sanitize webhook URLs but keep structure', () => {
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const workflow = {
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nodes: [
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{
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id: '1',
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name: 'Webhook',
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type: 'n8n-nodes-base.webhook',
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position: [100, 100],
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parameters: {
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path: 'my-webhook',
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webhookUrl: 'https://n8n.example.com/webhook/abc-def-ghi',
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method: 'POST'
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}
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}
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],
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connections: {}
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};
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const sanitized = WorkflowSanitizer.sanitizeWorkflow(workflow);
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expect(sanitized.nodes[0].parameters.webhookUrl).toBe('https://[webhook-url]');
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expect(sanitized.nodes[0].parameters.method).toBe('POST'); // Method should remain
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expect(sanitized.nodes[0].parameters.path).toBe('my-webhook'); // Path should remain
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});
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it('should remove credentials entirely', () => {
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const workflow = {
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nodes: [
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{
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id: '1',
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name: 'Slack',
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type: 'n8n-nodes-base.slack',
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position: [100, 100],
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parameters: {
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channel: 'general',
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text: 'Hello World'
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},
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credentials: {
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slackApi: {
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id: 'cred-123',
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name: 'My Slack'
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}
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}
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}
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],
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connections: {}
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};
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const sanitized = WorkflowSanitizer.sanitizeWorkflow(workflow);
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expect(sanitized.nodes[0].credentials).toBeUndefined();
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expect(sanitized.nodes[0].parameters.channel).toBe('general'); // Channel should remain
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expect(sanitized.nodes[0].parameters.text).toBe('Hello World'); // Text should remain
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});
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it('should sanitize URLs in parameters', () => {
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const workflow = {
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nodes: [
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{
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id: '1',
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name: 'HTTP Request',
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type: 'n8n-nodes-base.httpRequest',
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position: [100, 100],
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parameters: {
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url: 'https://api.example.com/endpoint',
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endpoint: 'https://another.example.com/api',
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baseUrl: 'https://base.example.com'
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}
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}
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],
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connections: {}
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};
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const sanitized = WorkflowSanitizer.sanitizeWorkflow(workflow);
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expect(sanitized.nodes[0].parameters.url).toBe('https://[domain]/endpoint');
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expect(sanitized.nodes[0].parameters.endpoint).toBe('[REDACTED]');
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expect(sanitized.nodes[0].parameters.baseUrl).toBe('https://[domain]');
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});
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it('should calculate workflow metrics correctly', () => {
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const workflow = {
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nodes: [
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{
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id: '1',
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name: 'Webhook',
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type: 'n8n-nodes-base.webhook',
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position: [100, 100],
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parameters: {}
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},
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{
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id: '2',
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name: 'HTTP Request',
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type: 'n8n-nodes-base.httpRequest',
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position: [200, 100],
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parameters: {}
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},
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{
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id: '3',
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name: 'Slack',
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type: 'n8n-nodes-base.slack',
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position: [300, 100],
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parameters: {}
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}
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],
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connections: {
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'1': {
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main: [[{ node: '2', type: 'main', index: 0 }]]
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},
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'2': {
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main: [[{ node: '3', type: 'main', index: 0 }]]
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}
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}
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};
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const sanitized = WorkflowSanitizer.sanitizeWorkflow(workflow);
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expect(sanitized.nodeCount).toBe(3);
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expect(sanitized.nodeTypes).toContain('n8n-nodes-base.webhook');
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expect(sanitized.nodeTypes).toContain('n8n-nodes-base.httpRequest');
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expect(sanitized.nodeTypes).toContain('n8n-nodes-base.slack');
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expect(sanitized.hasTrigger).toBe(true);
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expect(sanitized.hasWebhook).toBe(true);
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expect(sanitized.complexity).toBe('simple');
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});
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it('should calculate complexity based on node count', () => {
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const createWorkflow = (nodeCount: number) => ({
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nodes: Array.from({ length: nodeCount }, (_, i) => ({
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id: String(i),
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name: `Node ${i}`,
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type: 'n8n-nodes-base.function',
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position: [i * 100, 100],
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parameters: {}
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})),
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connections: {}
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});
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const simple = WorkflowSanitizer.sanitizeWorkflow(createWorkflow(5));
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expect(simple.complexity).toBe('simple');
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const medium = WorkflowSanitizer.sanitizeWorkflow(createWorkflow(15));
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expect(medium.complexity).toBe('medium');
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const complex = WorkflowSanitizer.sanitizeWorkflow(createWorkflow(25));
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expect(complex.complexity).toBe('complex');
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});
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it('should generate consistent workflow hash', () => {
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const workflow = {
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nodes: [
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{
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id: '1',
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name: 'Webhook',
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type: 'n8n-nodes-base.webhook',
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position: [100, 100],
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parameters: { path: 'test' }
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}
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],
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connections: {}
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};
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const hash1 = WorkflowSanitizer.generateWorkflowHash(workflow);
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const hash2 = WorkflowSanitizer.generateWorkflowHash(workflow);
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expect(hash1).toBe(hash2);
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expect(hash1).toMatch(/^[a-f0-9]{16}$/);
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});
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it('should sanitize nested objects in parameters', () => {
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const workflow = {
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nodes: [
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{
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id: '1',
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name: 'Complex Node',
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type: 'n8n-nodes-base.httpRequest',
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position: [100, 100],
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parameters: {
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options: {
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headers: {
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'X-API-Key': 'secret-key-1234567890abcdef',
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'Content-Type': 'application/json'
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},
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body: {
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data: 'some data',
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token: 'another-secret-token-xyz123'
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}
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}
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}
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}
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],
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connections: {}
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};
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const sanitized = WorkflowSanitizer.sanitizeWorkflow(workflow);
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expect(sanitized.nodes[0].parameters.options.headers['X-API-Key']).toBe('[REDACTED]');
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expect(sanitized.nodes[0].parameters.options.headers['Content-Type']).toBe('application/json');
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expect(sanitized.nodes[0].parameters.options.body.data).toBe('some data');
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expect(sanitized.nodes[0].parameters.options.body.token).toBe('[REDACTED]');
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});
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it('should preserve connections structure', () => {
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const workflow = {
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nodes: [
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{
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id: '1',
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name: 'Node 1',
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type: 'n8n-nodes-base.start',
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position: [100, 100],
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parameters: {}
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},
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{
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id: '2',
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name: 'Node 2',
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type: 'n8n-nodes-base.function',
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position: [200, 100],
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parameters: {}
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}
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],
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connections: {
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'1': {
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main: [[{ node: '2', type: 'main', index: 0 }]],
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error: [[{ node: '2', type: 'error', index: 0 }]]
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}
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}
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};
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const sanitized = WorkflowSanitizer.sanitizeWorkflow(workflow);
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expect(sanitized.connections).toEqual({
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'1': {
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main: [[{ node: '2', type: 'main', index: 0 }]],
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error: [[{ node: '2', type: 'error', index: 0 }]]
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}
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});
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});
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it('should remove sensitive workflow metadata', () => {
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const workflow = {
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id: 'workflow-123',
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name: 'My Workflow',
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nodes: [],
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connections: {},
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settings: {
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errorWorkflow: 'error-workflow-id',
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timezone: 'America/New_York'
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},
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staticData: { some: 'data' },
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pinData: { node1: 'pinned' },
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credentials: { slack: 'cred-123' },
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sharedWorkflows: ['user-456'],
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ownedBy: 'user-123',
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createdBy: 'user-123',
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updatedBy: 'user-456'
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};
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const sanitized = WorkflowSanitizer.sanitizeWorkflow(workflow);
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// These should be removed
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expect(sanitized.settings?.errorWorkflow).toBeUndefined();
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expect(sanitized.staticData).toBeUndefined();
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expect(sanitized.pinData).toBeUndefined();
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expect(sanitized.credentials).toBeUndefined();
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expect(sanitized.sharedWorkflows).toBeUndefined();
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expect(sanitized.ownedBy).toBeUndefined();
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expect(sanitized.createdBy).toBeUndefined();
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expect(sanitized.updatedBy).toBeUndefined();
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// These should be preserved
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expect(sanitized.nodes).toEqual([]);
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expect(sanitized.connections).toEqual({});
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});
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});
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});
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