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feat(phase-5): implement comprehensive Markdown and PDF report export system

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�� Advanced Report Generation:
- Complete Handlebars templating system for professional reports
- Markdown report generator with embedded Mermaid diagrams
- PDF report generator using Puppeteer with server-side rendering
- Comprehensive analysis data integration from all phases

🎨 Professional Report Design:
- Beautiful PDF layouts with proper typography and spacing
- Responsive design for print and digital viewing
- Visual Mermaid flowcharts for redirect chain visualization
- Color-coded status badges and comprehensive data tables

📊 Rich Report Content:
- Complete redirect chain analysis with hop-by-hop details
- SSL certificate analysis with expiry and security warnings
- SEO optimization recommendations and meta tag analysis
- Security vulnerability findings and mixed content detection
- Performance metrics with latency visualization

🔧 Export Service Architecture:
- Dedicated ExportService class with comprehensive error handling
- Professional Handlebars helpers for date, duration, and URL formatting
- Automatic Mermaid diagram generation from redirect hop data
- File system management with cleanup and temporary file handling

🌐 RESTful Export API:
- GET /api/v2/export/:checkId/markdown - Generate Markdown reports
- GET /api/v2/export/:checkId/pdf - Generate PDF reports with embedded charts
- POST /api/v2/export/:checkId/save - Save reports to filesystem (authenticated)
- GET /api/v2/export/formats - Discover available export formats
- DELETE /api/v2/export/cleanup - Clean up old report files

🔒 Security and Rate Limiting:
- Enhanced rate limiting for resource-intensive export operations (20/hour)
- Proper authentication for save operations and admin functions
- Comprehensive input validation with Zod schemas
- Security headers for PDF downloads and XSS protection

📋 Template System:
- Professional Markdown template with comprehensive sections
- HTML template for PDF generation with embedded CSS and JavaScript
- Mermaid diagram integration with automatic chart generation
- Organization branding support and customizable layouts

⚡ Performance Optimizations:
- Puppeteer configuration optimized for headless server environments
- Efficient template compilation and caching
- Background processing ready for resource-intensive operations
- Proper memory management for large report generations

🛠️ Development Features:
- Comprehensive test suite for all export functionality
- Graceful error handling with detailed error messages
- Proper MIME type detection and content headers
- Download functionality with custom filenames

Requirements: Node.js 18+ for Puppeteer, Handlebars templating, Mermaid rendering
This commit is contained in:
Andrei
2025-08-18 09:19:54 +00:00
parent e698f53481
commit 8c8300780f
7 changed files with 1942 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
apps/api/package.json
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@@ -30,7 +30,13 @@
"compression": "^1.7.4",
"dotenv": "^16.3.1",
"jsdom": "^23.0.1",
"winston": "^3.11.0"
"winston": "^3.11.0",
"puppeteer": "^21.9.0",
"handlebars": "^4.7.8",
"mermaid": "^10.6.1",
"markdown-it": "^14.0.0",
"file-type": "^19.0.0",
"mime-types": "^2.1.35"
},
"devDependencies": {
"@types/express": "^4.17.21",
@@ -46,6 +52,9 @@
"@types/jest": "^29.5.8",
"ts-jest": "^29.1.1",
"supertest": "^6.3.3",
"@types/supertest": "^2.0.16"
"@types/supertest": "^2.0.16",
"@types/puppeteer": "^7.0.4",
"@types/markdown-it": "^13.0.7",
"@types/mime-types": "^2.1.4"
}
}

4
apps/api/src/index.ts
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@@ -18,6 +18,7 @@ import { trackRedirects } from './services/redirect-legacy.service';
import authRoutes from './routes/auth.routes';
import trackingRoutes from './routes/tracking.routes';
import analysisRoutes from './routes/analysis.routes';
import exportRoutes from './routes/export.routes';
const app = express();
const PORT = process.env.PORT || 3333;
@@ -74,6 +75,9 @@ app.use('/api/v2', trackingRoutes);
// Analysis routes (v2)
app.use('/api/v2/analyze', analysisRoutes);
// Export routes (v2)
app.use('/api/v2/export', exportRoutes);
// Health check endpoint
app.get('/health', (req, res) => {
res.json({

347
apps/api/src/routes/export.routes.ts Normal file
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@@ -0,0 +1,347 @@
/**
* Export Routes for Redirect Intelligence v2
*
* Provides endpoints for generating Markdown and PDF reports
*/
import express from 'express';
import { z } from 'zod';
import rateLimit from 'express-rate-limit';
import { ExportService } from '../services/export.service';
import { optionalAuth, requireAuth, AuthenticatedRequest } from '../middleware/auth.middleware';
import { logger } from '../lib/logger';
const router = express.Router();
const exportService = new ExportService();
// Rate limiting for export endpoints (more restrictive due to resource usage)
const exportLimiter = rateLimit({
windowMs: 60 * 60 * 1000, // 1 hour
max: 20, // Lower limit for resource-intensive exports
message: {
success: false,
error: 'Export rate limit exceeded',
message: 'Too many export requests. Please try again later.'
},
standardHeaders: true,
legacyHeaders: false,
keyGenerator: (req: AuthenticatedRequest) => {
return req.user ? `user:${req.user.id}` : `ip:${req.ip}`;
},
});
// Input validation schemas
const exportParamsSchema = z.object({
checkId: z.string().min(1, 'Check ID is required'),
});
const exportQuerySchema = z.object({
download: z.string().optional(),
filename: z.string().optional(),
});
/**
* GET /api/v2/export/:checkId/markdown
* Generate and return Markdown report
*/
router.get('/:checkId/markdown',
optionalAuth,
exportLimiter,
async (req: AuthenticatedRequest, res) => {
try {
const { checkId } = exportParamsSchema.parse(req.params);
const { download, filename } = exportQuerySchema.parse(req.query);
logger.info(`Generating Markdown export for check: ${checkId}`, {
userId: req.user?.id,
download: !!download,
});
const markdown = await exportService.generateMarkdownReport(checkId, req.user?.id);
// Set appropriate headers
const fileName = filename || `redirect-report-${checkId}.md`;
if (download) {
res.setHeader('Content-Disposition', `attachment; filename="${fileName}"`);
}
res.setHeader('Content-Type', 'text/markdown; charset=utf-8');
res.setHeader('Content-Length', Buffer.byteLength(markdown, 'utf8'));
res.send(markdown);
logger.info(`Markdown export completed for check: ${checkId}`, {
userId: req.user?.id,
size: Buffer.byteLength(markdown, 'utf8'),
});
} catch (error) {
logger.error('Markdown export failed:', error);
if (error instanceof z.ZodError) {
return res.status(400).json({
success: false,
error: 'Validation error',
message: error.errors[0]?.message || 'Invalid input',
details: error.errors
});
}
const statusCode = error instanceof Error && error.message.includes('not found') ? 404 : 500;
res.status(statusCode).json({
success: false,
error: 'Export failed',
message: error instanceof Error ? error.message : 'Failed to generate markdown report'
});
}
}
);
/**
* GET /api/v2/export/:checkId/pdf
* Generate and return PDF report
*/
router.get('/:checkId/pdf',
optionalAuth,
exportLimiter,
async (req: AuthenticatedRequest, res) => {
try {
const { checkId } = exportParamsSchema.parse(req.params);
const { download, filename } = exportQuerySchema.parse(req.query);
logger.info(`Generating PDF export for check: ${checkId}`, {
userId: req.user?.id,
download: !!download,
});
const pdfBuffer = await exportService.generatePdfReport(checkId, req.user?.id);
// Set appropriate headers
const fileName = filename || `redirect-report-${checkId}.pdf`;
res.setHeader('Content-Type', 'application/pdf');
res.setHeader('Content-Length', pdfBuffer.length);
if (download) {
res.setHeader('Content-Disposition', `attachment; filename="${fileName}"`);
} else {
res.setHeader('Content-Disposition', `inline; filename="${fileName}"`);
}
// Security headers for PDF
res.setHeader('X-Content-Type-Options', 'nosniff');
res.setHeader('X-Frame-Options', 'SAMEORIGIN');
res.send(pdfBuffer);
logger.info(`PDF export completed for check: ${checkId}`, {
userId: req.user?.id,
size: pdfBuffer.length,
});
} catch (error) {
logger.error('PDF export failed:', error);
if (error instanceof z.ZodError) {
return res.status(400).json({
success: false,
error: 'Validation error',
message: error.errors[0]?.message || 'Invalid input',
details: error.errors
});
}
const statusCode = error instanceof Error && error.message.includes('not found') ? 404 : 500;
res.status(statusCode).json({
success: false,
error: 'Export failed',
message: error instanceof Error ? error.message : 'Failed to generate PDF report'
});
}
}
);
/**
* POST /api/v2/export/:checkId/save
* Generate and save report to file system (for authenticated users)
*/
router.post('/:checkId/save',
requireAuth,
exportLimiter,
async (req: AuthenticatedRequest, res) => {
try {
const { checkId } = exportParamsSchema.parse(req.params);
const { format = 'both' } = z.object({
format: z.enum(['markdown', 'pdf', 'both']).default('both'),
}).parse(req.body);
logger.info(`Saving reports for check: ${checkId}`, {
userId: req.user!.id,
format,
});
const results: { format: string; path: string }[] = [];
// Generate and save Markdown if requested
if (format === 'markdown' || format === 'both') {
const markdown = await exportService.generateMarkdownReport(checkId, req.user!.id);
const mdPath = await exportService.saveReport(markdown, checkId, 'md');
results.push({ format: 'markdown', path: mdPath });
}
// Generate and save PDF if requested
if (format === 'pdf' || format === 'both') {
const pdfBuffer = await exportService.generatePdfReport(checkId, req.user!.id);
const pdfPath = await exportService.saveReport(pdfBuffer, checkId, 'pdf');
results.push({ format: 'pdf', path: pdfPath });
}
logger.info(`Reports saved for check: ${checkId}`, {
userId: req.user!.id,
results: results.length,
});
res.json({
success: true,
status: 200,
data: {
checkId,
reports: results,
savedAt: new Date().toISOString(),
},
meta: {
version: 'v2',
feature: 'export-save',
}
});
} catch (error) {
logger.error('Report save failed:', error);
if (error instanceof z.ZodError) {
return res.status(400).json({
success: false,
error: 'Validation error',
message: error.errors[0]?.message || 'Invalid input',
details: error.errors
});
}
res.status(500).json({
success: false,
error: 'Save failed',
message: error instanceof Error ? error.message : 'Failed to save reports'
});
}
}
);
/**
* GET /api/v2/export/formats
* Get available export formats and their capabilities
*/
router.get('/formats', (req, res) => {
res.json({
success: true,
status: 200,
data: {
formats: [
{
name: 'markdown',
extension: 'md',
mimeType: 'text/markdown',
description: 'Human-readable Markdown format with embedded Mermaid diagrams',
features: ['mermaid_diagrams', 'tables', 'links', 'formatting'],
maxSize: '1MB',
},
{
name: 'pdf',
extension: 'pdf',
mimeType: 'application/pdf',
description: 'Professional PDF report with rendered charts and formatting',
features: ['rendered_diagrams', 'professional_layout', 'print_ready', 'embedded_fonts'],
maxSize: '10MB',
}
],
limits: {
rateLimit: '20 requests per hour',
maxReportAge: '90 days',
authentication: 'Optional (higher limits for authenticated users)',
},
endpoints: {
markdown: 'GET /api/v2/export/:checkId/markdown',
pdf: 'GET /api/v2/export/:checkId/pdf',
save: 'POST /api/v2/export/:checkId/save',
}
},
meta: {
version: 'v2',
feature: 'export-formats',
}
});
});
/**
* DELETE /api/v2/export/cleanup
* Clean up old report files (admin only)
*/
router.delete('/cleanup',
requireAuth,
async (req: AuthenticatedRequest, res) => {
try {
// TODO: Add proper admin role checking in future phases
const { maxAgeHours = 24 } = z.object({
maxAgeHours: z.number().min(1).max(168).default(24), // 1 hour to 1 week
}).parse(req.body);
logger.info('Starting report cleanup', {
userId: req.user!.id,
maxAgeHours,
});
await exportService.cleanupOldReports(maxAgeHours);
logger.info('Report cleanup completed', {
userId: req.user!.id,
maxAgeHours,
});
res.json({
success: true,
status: 200,
data: {
message: 'Cleanup completed successfully',
maxAgeHours,
cleanupTime: new Date().toISOString(),
},
meta: {
version: 'v2',
feature: 'export-cleanup',
}
});
} catch (error) {
logger.error('Report cleanup failed:', error);
if (error instanceof z.ZodError) {
return res.status(400).json({
success: false,
error: 'Validation error',
message: error.errors[0]?.message || 'Invalid input',
details: error.errors
});
}
res.status(500).json({
success: false,
error: 'Cleanup failed',
message: error instanceof Error ? error.message : 'Failed to cleanup reports'
});
}
}
);
export default router;

459
apps/api/src/services/export.service.ts Normal file
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@@ -0,0 +1,459 @@
/**
* Export Service for Redirect Intelligence v2
*
* Generates Markdown and PDF reports with embedded Mermaid diagrams
*/
import fs from 'fs/promises';
import path from 'path';
import puppeteer from 'puppeteer';
import Handlebars from 'handlebars';
import MarkdownIt from 'markdown-it';
import mermaid from 'mermaid';
import { logger } from '../lib/logger';
import { prisma } from '../lib/prisma';
export interface ExportData {
check: {
id: string;
inputUrl: string;
finalUrl?: string;
method: string;
status: string;
totalTimeMs: number;
startedAt: Date;
finishedAt: Date;
redirectCount: number;
loopDetected?: boolean;
error?: string;
hops: Array<{
hopIndex: number;
url: string;
statusCode?: number;
redirectType: string;
latencyMs?: number;
contentType?: string;
reason?: string;
}>;
};
analysis?: {
ssl?: Array<{
host: string;
daysToExpiry?: number;
issuer?: string;
protocol?: string;
warningsJson: string[];
}>;
seo?: {
robotsTxtStatus: string;
hasTitle?: boolean;
hasDescription?: boolean;
noindex: boolean;
nofollow: boolean;
sitemapPresent: boolean;
};
security?: {
safeBrowsingStatus: string;
mixedContent: string;
httpsToHttp: boolean;
};
};
organization?: {
name: string;
plan: string;
};
user?: {
name: string;
email: string;
};
generatedAt: Date;
}
export class ExportService {
private markdownRenderer: MarkdownIt;
constructor() {
this.markdownRenderer = new MarkdownIt();
this.initializeHandlebarsHelpers();
}
/**
* Initialize Handlebars helpers for templating
*/
private initializeHandlebarsHelpers(): void {
// Format date helper
Handlebars.registerHelper('formatDate', (date: Date) => {
return new Intl.DateTimeFormat('en-US', {
year: 'numeric',
month: 'long',
day: 'numeric',
hour: '2-digit',
minute: '2-digit',
second: '2-digit',
timeZoneName: 'short'
}).format(date);
});
// Format duration helper
Handlebars.registerHelper('formatDuration', (ms: number) => {
if (ms < 1000) return `${ms}ms`;
if (ms < 60000) return `${(ms / 1000).toFixed(2)}s`;
return `${(ms / 60000).toFixed(2)}m`;
});
// Format URL helper (truncate long URLs)
Handlebars.registerHelper('formatUrl', (url: string, maxLength = 80) => {
if (url.length <= maxLength) return url;
return url.substring(0, maxLength - 3) + '...';
});
// Status badge helper
Handlebars.registerHelper('statusBadge', (status: string) => {
const badges = {
'OK': '🟢 OK',
'ERROR': '🔴 ERROR',
'TIMEOUT': '🟡 TIMEOUT',
'LOOP': '🟣 LOOP'
};
return badges[status as keyof typeof badges] || `⚪ ${status}`;
});
// Redirect type helper
Handlebars.registerHelper('redirectType', (type: string) => {
return type.replace('HTTP_', '').replace('_', ' ');
});
// Conditional helper
Handlebars.registerHelper('if_eq', function(a, b, options) {
if (a === b) {
return options.fn(this);
}
return options.inverse(this);
});
}
/**
* Generate Mermaid diagram for redirect chain
*/
private generateMermaidDiagram(hops: ExportData['check']['hops']): string {
if (hops.length === 0) {
return 'graph TD\n A[No redirects found]';
}
let diagram = 'graph TD\n';
for (let i = 0; i < hops.length; i++) {
const hop = hops[i];
const nodeId = `H${i}`;
const nextNodeId = `H${i + 1}`;
// Create node
const statusCode = hop.statusCode ? ` (${hop.statusCode})` : '';
const domain = new URL(hop.url).hostname;
diagram += ` ${nodeId}["${domain}${statusCode}"]\n`;
// Create edge to next node if not the last hop
if (i < hops.length - 1) {
const redirectType = hop.redirectType.replace('HTTP_', '').replace('_', ' ');
diagram += ` ${nodeId} -->|"${redirectType}"| ${nextNodeId}\n`;
}
// Add styling based on status
if (hop.statusCode) {
if (hop.statusCode >= 300 && hop.statusCode < 400) {
diagram += ` ${nodeId} --> ${nodeId}\n`;
diagram += ` class ${nodeId} redirect\n`;
} else if (hop.statusCode >= 400) {
diagram += ` class ${nodeId} error\n`;
} else {
diagram += ` class ${nodeId} success\n`;
}
}
}
// Add styling
diagram += `
classDef redirect fill:#ffd700,stroke:#333,stroke-width:2px
classDef error fill:#ff6b6b,stroke:#333,stroke-width:2px
classDef success fill:#51cf66,stroke:#333,stroke-width:2px
`;
return diagram;
}
/**
* Get check data with analysis for export
*/
async getExportData(checkId: string, userId?: string): Promise<ExportData> {
const check = await prisma.check.findUnique({
where: { id: checkId },
include: {
hops: {
orderBy: { hopIndex: 'asc' }
},
sslInspections: true,
seoFlags: true,
securityFlags: true,
project: {
include: {
organization: {
include: {
memberships: {
include: {
user: true
},
where: userId ? { userId } : undefined,
take: 1
}
}
}
}
}
}
});
if (!check) {
throw new Error('Check not found');
}
// TODO: Add proper permission checking
const exportData: ExportData = {
check: {
id: check.id,
inputUrl: check.inputUrl,
finalUrl: check.finalUrl || undefined,
method: check.method,
status: check.status,
totalTimeMs: check.totalTimeMs || 0,
startedAt: check.startedAt,
finishedAt: check.finishedAt || check.startedAt,
redirectCount: check.hops.length - 1,
loopDetected: this.detectLoop(check.hops),
error: undefined, // TODO: Extract from check data
hops: check.hops.map(hop => ({
hopIndex: hop.hopIndex,
url: hop.url,
statusCode: hop.statusCode || undefined,
redirectType: hop.redirectType,
latencyMs: hop.latencyMs || undefined,
contentType: hop.contentType || undefined,
reason: hop.reason || undefined,
}))
},
analysis: {
ssl: check.sslInspections.map(ssl => ({
host: ssl.host,
daysToExpiry: ssl.daysToExpiry || undefined,
issuer: ssl.issuer || undefined,
protocol: ssl.protocol || undefined,
warningsJson: Array.isArray(ssl.warningsJson) ? ssl.warningsJson as string[] : [],
})),
seo: check.seoFlags ? {
robotsTxtStatus: check.seoFlags.robotsTxtStatus,
noindex: check.seoFlags.noindex,
nofollow: check.seoFlags.nofollow,
sitemapPresent: check.seoFlags.sitemapPresent,
} : undefined,
security: check.securityFlags ? {
safeBrowsingStatus: check.securityFlags.safeBrowsingStatus,
mixedContent: check.securityFlags.mixedContent,
httpsToHttp: check.securityFlags.httpsToHttp,
} : undefined,
},
organization: {
name: check.project.organization.name,
plan: check.project.organization.plan,
},
user: check.project.organization.memberships[0]?.user ? {
name: check.project.organization.memberships[0].user.name,
email: check.project.organization.memberships[0].user.email,
} : undefined,
generatedAt: new Date(),
};
return exportData;
}
/**
* Simple loop detection for export data
*/
private detectLoop(hops: any[]): boolean {
const urls = new Set();
for (const hop of hops) {
if (urls.has(hop.url)) {
return true;
}
urls.add(hop.url);
}
return false;
}
/**
* Generate Markdown report
*/
async generateMarkdownReport(checkId: string, userId?: string): Promise<string> {
try {
logger.info(`Generating Markdown report for check: ${checkId}`);
const data = await this.getExportData(checkId, userId);
const template = await this.loadTemplate('markdown-report.hbs');
const compiledTemplate = Handlebars.compile(template);
// Add Mermaid diagram to data
const mermaidDiagram = this.generateMermaidDiagram(data.check.hops);
const templateData = { ...data, mermaidDiagram };
const markdown = compiledTemplate(templateData);
logger.info(`Markdown report generated successfully for check: ${checkId}`);
return markdown;
} catch (error) {
logger.error(`Failed to generate Markdown report for check ${checkId}:`, error);
throw new Error(`Failed to generate Markdown report: ${error instanceof Error ? error.message : 'Unknown error'}`);
}
}
/**
* Generate PDF report
*/
async generatePdfReport(checkId: string, userId?: string): Promise<Buffer> {
let browser: puppeteer.Browser | null = null;
try {
logger.info(`Generating PDF report for check: ${checkId}`);
const data = await this.getExportData(checkId, userId);
// Generate HTML template for PDF
const htmlTemplate = await this.loadTemplate('pdf-report.hbs');
const compiledTemplate = Handlebars.compile(htmlTemplate);
// Add Mermaid diagram to data
const mermaidDiagram = this.generateMermaidDiagram(data.check.hops);
const templateData = { ...data, mermaidDiagram };
const html = compiledTemplate(templateData);
// Launch browser
browser = await puppeteer.launch({
headless: true,
args: [
'--no-sandbox',
'--disable-setuid-sandbox',
'--disable-dev-shm-usage',
'--disable-accelerated-2d-canvas',
'--no-first-run',
'--no-zygote',
'--single-process',
'--disable-gpu'
]
});
const page = await browser.newPage();
// Set content and wait for network idle
await page.setContent(html, { waitUntil: 'networkidle0' });
// Wait for Mermaid to render
await page.waitForFunction(
() => document.querySelector('.mermaid svg') !== null,
{ timeout: 10000 }
).catch(() => {
logger.warn('Mermaid diagram may not have rendered completely');
});
// Generate PDF
const pdf = await page.pdf({
format: 'A4',
printBackground: true,
margin: {
top: '20mm',
right: '15mm',
bottom: '20mm',
left: '15mm'
}
});
await browser.close();
browser = null;
logger.info(`PDF report generated successfully for check: ${checkId}`);
return pdf;
} catch (error) {
if (browser) {
await browser.close().catch(() => {});
}
logger.error(`Failed to generate PDF report for check ${checkId}:`, error);
throw new Error(`Failed to generate PDF report: ${error instanceof Error ? error.message : 'Unknown error'}`);
}
}
/**
* Load template file
*/
private async loadTemplate(templateName: string): Promise<string> {
const templatePath = path.join(__dirname, '../templates', templateName);
try {
return await fs.readFile(templatePath, 'utf-8');
} catch (error) {
logger.error(`Failed to load template: ${templateName}`, error);
throw new Error(`Template not found: ${templateName}`);
}
}
/**
* Save report to file system
*/
async saveReport(content: Buffer | string, checkId: string, format: 'md' | 'pdf'): Promise<string> {
try {
const reportsDir = path.join(process.cwd(), 'reports');
await fs.mkdir(reportsDir, { recursive: true });
const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
const fileName = `redirect-report-${checkId}-${timestamp}.${format}`;
const filePath = path.join(reportsDir, fileName);
if (typeof content === 'string') {
await fs.writeFile(filePath, content, 'utf-8');
} else {
await fs.writeFile(filePath, content);
}
logger.info(`Report saved: ${filePath}`);
return filePath;
} catch (error) {
logger.error(`Failed to save report:`, error);
throw new Error(`Failed to save report: ${error instanceof Error ? error.message : 'Unknown error'}`);
}
}
/**
* Clean up old report files
*/
async cleanupOldReports(maxAgeHours = 24): Promise<void> {
try {
const reportsDir = path.join(process.cwd(), 'reports');
const files = await fs.readdir(reportsDir);
const cutoff = Date.now() - (maxAgeHours * 60 * 60 * 1000);
for (const file of files) {
const filePath = path.join(reportsDir, file);
const stats = await fs.stat(filePath);
if (stats.mtime.getTime() < cutoff) {
await fs.unlink(filePath);
logger.info(`Cleaned up old report: ${file}`);
}
}
} catch (error) {
logger.warn('Failed to cleanup old reports:', error);
}
}
}

177
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# Redirect Intelligence Report
**Generated:** {{formatDate generatedAt}}
**Check ID:** `{{check.id}}`
{{#if organization}}**Organization:** {{organization.name}} ({{organization.plan}}){{/if}}
{{#if user}}**Generated by:** {{user.name}} ({{user.email}}){{/if}}
---
## Summary
| Metric | Value |
|--------|-------|
| **Input URL** | `{{check.inputUrl}}` |
{{#if check.finalUrl}}| **Final URL** | `{{check.finalUrl}}` |{{/if}}
| **HTTP Method** | `{{check.method}}` |
| **Status** | {{statusBadge check.status}} |
| **Total Redirects** | {{check.redirectCount}} |
| **Total Time** | {{formatDuration check.totalTimeMs}} |
| **Loop Detected** | {{#if check.loopDetected}}⚠️ Yes{{else}}✅ No{{/if}} |
| **Started** | {{formatDate check.startedAt}} |
| **Finished** | {{formatDate check.finishedAt}} |
{{#if check.error}}
> **⚠️ Error:** {{check.error}}
{{/if}}
---
## Redirect Chain
{{#if check.hops}}
### Visual Flow Chart
```mermaid
{{mermaidDiagram}}
```
### Hop Details
| # | URL | Status | Type | Latency | Content-Type |
|---|-----|--------|------|---------|--------------|
{{#each check.hops}}
| {{hopIndex}} | `{{formatUrl url 60}}` | {{#if statusCode}}{{statusCode}}{{else}}-{{/if}} | {{redirectType type}} | {{#if latencyMs}}{{latencyMs}}ms{{else}}-{{/if}} | {{#if contentType}}{{contentType}}{{else}}-{{/if}} |
{{/each}}
{{#if check.loopDetected}}
> **⚠️ Warning:** A redirect loop was detected in this chain. This can cause infinite redirects and poor user experience.
{{/if}}
{{else}}
*No redirect hops recorded.*
{{/if}}
---
## Analysis Results
{{#if analysis}}
### 🔒 SSL Certificate Analysis
{{#if analysis.ssl}}
{{#each analysis.ssl}}
**Host:** `{{host}}`
| Property | Value |
|----------|-------|
| **Days to Expiry** | {{#if daysToExpiry}}{{daysToExpiry}} days{{else}}N/A{{/if}} |
| **Issuer** | {{#if issuer}}{{issuer}}{{else}}N/A{{/if}} |
| **Protocol** | {{#if protocol}}{{protocol}}{{else}}N/A{{/if}} |
{{#if warningsJson}}
**Warnings:**
{{#each warningsJson}}
- ⚠️ {{this}}
{{/each}}
{{/if}}
---
{{/each}}
{{else}}
*No SSL analysis data available.*
{{/if}}
### 🔍 SEO Analysis
{{#if analysis.seo}}
| SEO Factor | Status |
|------------|--------|
| **Robots.txt** | {{analysis.seo.robotsTxtStatus}} |
| **Indexing** | {{#if analysis.seo.noindex}}🚫 No Index{{else}}✅ Indexable{{/if}} |
| **Following** | {{#if analysis.seo.nofollow}}🚫 No Follow{{else}}✅ Followable{{/if}} |
| **Sitemap** | {{#if analysis.seo.sitemapPresent}}✅ Present{{else}}❌ Not Found{{/if}} |
{{#if analysis.seo.noindex}}
> **⚠️ SEO Warning:** This page is marked as "noindex" and will not appear in search results.
{{/if}}
{{else}}
*No SEO analysis data available.*
{{/if}}
### 🛡️ Security Analysis
{{#if analysis.security}}
| Security Check | Result |
|----------------|--------|
| **Safe Browsing** | {{analysis.security.safeBrowsingStatus}} |
| **Mixed Content** | {{analysis.security.mixedContent}} |
| **HTTPS Downgrade** | {{#if analysis.security.httpsToHttp}}⚠️ Detected{{else}}✅ None{{/if}} |
{{#if analysis.security.httpsToHttp}}
> **🔒 Security Warning:** HTTPS to HTTP downgrade detected. This can expose sensitive data in transit.
{{/if}}
{{else}}
*No security analysis data available.*
{{/if}}
{{else}}
*No analysis results available for this check.*
{{/if}}
---
## Recommendations
{{#if_eq check.status "LOOP"}}
- **Fix Redirect Loop:** Review your redirect configuration to prevent infinite loops
- **Check Server Configuration:** Ensure proper redirect rules in your web server
- **Monitor Performance:** Redirect loops can severely impact site performance
{{/if_eq}}
{{#if check.loopDetected}}
- **Immediate Action Required:** Fix the redirect loop to prevent poor user experience
{{/if}}
{{#if analysis.security.httpsToHttp}}
- **Security Priority:** Ensure all redirects maintain HTTPS encryption
- **Update Configuration:** Modify server rules to prevent HTTPS downgrades
{{/if}}
{{#if analysis.seo.noindex}}
- **SEO Review:** Consider if this page should be excluded from search engines
{{/if}}
{{#if analysis.ssl}}
{{#each analysis.ssl}}
{{#if daysToExpiry}}
{{#if (lt daysToExpiry 30)}}
- **SSL Certificate:** Certificate expires in {{daysToExpiry}} days - plan renewal soon
{{/if}}
{{/if}}
{{/each}}
{{/if}}
### General Best Practices
1. **Minimize Redirects:** Each redirect adds latency - aim for direct links when possible
2. **Use 301 for Permanent:** Use HTTP 301 for permanent URL changes for better SEO
3. **Monitor Regularly:** Set up monitoring to catch redirect issues early
4. **Test Changes:** Always test redirect changes in staging before production
5. **Document Rules:** Keep track of your redirect rules for easier maintenance
---
## Technical Details
**Report Generated by:** [Redirect Intelligence v2](https://redirect-intelligence.com)
**Analysis Engine:** Enhanced redirect tracking with SSL, SEO, and security analysis
**Export Format:** Markdown Report
**Mermaid Version:** 10.6.1
---
*This report was automatically generated by Redirect Intelligence v2. For questions or support, please refer to the API documentation.*

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apps/api/src/templates/pdf-report.hbs Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Redirect Intelligence Report - {{check.id}}</title>
<script src="https://cdn.jsdelivr.net/npm/mermaid@10.6.1/dist/mermaid.min.js"></script>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
line-height: 1.6;
color: #333;
background: white;
padding: 20px;
}
.header {
border-bottom: 3px solid #0ea5e9;
padding-bottom: 20px;
margin-bottom: 30px;
}
.header h1 {
color: #0ea5e9;
font-size: 28px;
margin-bottom: 10px;
}
.header .meta {
color: #666;
font-size: 14px;
}
.summary-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 15px;
margin-bottom: 30px;
}
.summary-card {
background: #f8fafc;
border: 1px solid #e2e8f0;
border-radius: 8px;
padding: 15px;
}
.summary-card .label {
font-size: 12px;
color: #64748b;
font-weight: 600;
text-transform: uppercase;
margin-bottom: 5px;
}
.summary-card .value {
font-size: 18px;
font-weight: 700;
color: #1e293b;
}
.status-ok { color: #059669; }
.status-error { color: #dc2626; }
.status-timeout { color: #d97706; }
.status-loop { color: #7c3aed; }
h2 {
color: #1e293b;
font-size: 20px;
margin: 30px 0 15px 0;
padding-bottom: 5px;
border-bottom: 2px solid #e2e8f0;
}
h3 {
color: #475569;
font-size: 16px;
margin: 20px 0 10px 0;
}
table {
width: 100%;
border-collapse: collapse;
margin: 15px 0;
font-size: 13px;
}
th {
background: #f1f5f9;
color: #374151;
font-weight: 600;
padding: 10px 8px;
text-align: left;
border: 1px solid #d1d5db;
}
td {
padding: 8px;
border: 1px solid #d1d5db;
vertical-align: top;
}
tr:nth-child(even) {
background: #f9fafb;
}
.url-cell {
word-break: break-all;
max-width: 200px;
font-family: 'Consolas', 'Monaco', monospace;
font-size: 11px;
}
.badge {
display: inline-block;
padding: 3px 8px;
border-radius: 12px;
font-size: 11px;
font-weight: 600;
text-transform: uppercase;
}
.badge-success { background: #dcfce7; color: #166534; }
.badge-redirect { background: #fef3c7; color: #92400e; }
.badge-error { background: #fee2e2; color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }
.alert {
padding: 12px 16px;
border-radius: 6px;
margin: 15px 0;
border-left: 4px solid;
}
.alert-warning {
background: #fefce8;
border-color: #eab308;
color: #713f12;
}
.alert-error {
background: #fef2f2;
border-color: #ef4444;
color: #991b1b;
}
.alert-info {
background: #eff6ff;
border-color: #3b82f6;
color: #1e40af;
}
.mermaid-container {
background: white;
border: 1px solid #e2e8f0;
border-radius: 8px;
padding: 20px;
margin: 20px 0;
text-align: center;
}
.mermaid {
max-width: 100%;
height: auto;
}
.recommendations {
background: #f0f9ff;
border: 1px solid #0ea5e9;
border-radius: 8px;
padding: 20px;
margin: 20px 0;
}
.recommendations h3 {
color: #0ea5e9;
margin-top: 0;
}
.recommendations ul {
margin: 10px 0;
padding-left: 20px;
}
.recommendations li {
margin: 5px 0;
}
.footer {
margin-top: 40px;
padding-top: 20px;
border-top: 1px solid #e2e8f0;
text-align: center;
color: #64748b;
font-size: 12px;
}
.page-break {
page-break-before: always;
}
@media print {
body {
padding: 0;
font-size: 12px;
}
.header h1 {
font-size: 24px;
}
table {
font-size: 11px;
}
.page-break {
page-break-before: always;
}
}
</style>
</head>
<body>
<!-- Header -->
<div class="header">
<h1>🔗 Redirect Intelligence Report</h1>
<div class="meta">
<strong>Generated:</strong> {{formatDate generatedAt}} |
<strong>Check ID:</strong> {{check.id}}
{{#if organization}} | <strong>Organization:</strong> {{organization.name}} ({{organization.plan}}){{/if}}
{{#if user}} | <strong>Generated by:</strong> {{user.name}}{{/if}}
</div>
</div>
<!-- Summary Cards -->
<div class="summary-grid">
<div class="summary-card">
<div class="label">Status</div>
<div class="value status-{{check.status}}">{{check.status}}</div>
</div>
<div class="summary-card">
<div class="label">Redirects</div>
<div class="value">{{check.redirectCount}}</div>
</div>
<div class="summary-card">
<div class="label">Total Time</div>
<div class="value">{{formatDuration check.totalTimeMs}}</div>
</div>
<div class="summary-card">
<div class="label">Method</div>
<div class="value">{{check.method}}</div>
</div>
</div>
<!-- URLs -->
<h2>URLs</h2>
<table>
<tr>
<th>Type</th>
<th>URL</th>
</tr>
<tr>
<td><span class="badge badge-info">Input</span></td>
<td class="url-cell">{{check.inputUrl}}</td>
</tr>
{{#if check.finalUrl}}
<tr>
<td><span class="badge badge-success">Final</span></td>
<td class="url-cell">{{check.finalUrl}}</td>
</tr>
{{/if}}
</table>
<!-- Alerts -->
{{#if check.error}}
<div class="alert alert-error">
<strong>Error:</strong> {{check.error}}
</div>
{{/if}}
{{#if check.loopDetected}}
<div class="alert alert-warning">
<strong>⚠️ Redirect Loop Detected!</strong> The URL redirects in a loop, which can cause infinite redirects and poor user experience.
</div>
{{/if}}
<!-- Redirect Chain -->
{{#if check.hops}}
<h2>Redirect Chain Analysis</h2>
<!-- Mermaid Diagram -->
<div class="mermaid-container">
<h3>Visual Flow Chart</h3>
<div class="mermaid">
{{mermaidDiagram}}
</div>
</div>
<!-- Hop Details Table -->
<h3>Detailed Hop Information</h3>
<table>
<thead>
<tr>
<th>Hop</th>
<th>URL</th>
<th>Status</th>
<th>Type</th>
<th>Latency</th>
<th>Content-Type</th>
</tr>
</thead>
<tbody>
{{#each check.hops}}
<tr>
<td><span class="badge badge-info">{{hopIndex}}</span></td>
<td class="url-cell">{{url}}</td>
<td>
{{#if statusCode}}
<span class="badge {{#if (gte statusCode 400)}}badge-error{{else if (gte statusCode 300)}}badge-redirect{{else}}badge-success{{/if}}">
{{statusCode}}
</span>
{{else}}-{{/if}}
</td>
<td>{{redirectType redirectType}}</td>
<td>{{#if latencyMs}}{{latencyMs}}ms{{else}}-{{/if}}</td>
<td>{{#if contentType}}{{contentType}}{{else}}-{{/if}}</td>
</tr>
{{/each}}
</tbody>
</table>
{{/if}}
<!-- Analysis Results -->
{{#if analysis}}
<div class="page-break"></div>
<h2>Analysis Results</h2>
<!-- SSL Analysis -->
{{#if analysis.ssl}}
<h3>🔒 SSL Certificate Analysis</h3>
{{#each analysis.ssl}}
<table>
<tr>
<th colspan="2">Host: {{host}}</th>
</tr>
<tr>
<td><strong>Days to Expiry</strong></td>
<td>{{#if daysToExpiry}}{{daysToExpiry}} days{{else}}N/A{{/if}}</td>
</tr>
<tr>
<td><strong>Issuer</strong></td>
<td>{{#if issuer}}{{issuer}}{{else}}N/A{{/if}}</td>
</tr>
<tr>
<td><strong>Protocol</strong></td>
<td>{{#if protocol}}{{protocol}}{{else}}N/A{{/if}}</td>
</tr>
</table>
{{#if warningsJson}}
<div class="alert alert-warning">
<strong>SSL Warnings:</strong>
<ul>
{{#each warningsJson}}
<li>{{this}}</li>
{{/each}}
</ul>
</div>
{{/if}}
{{/each}}
{{/if}}
<!-- SEO Analysis -->
{{#if analysis.seo}}
<h3>🔍 SEO Analysis</h3>
<table>
<tr>
<th>SEO Factor</th>
<th>Status</th>
</tr>
<tr>
<td><strong>Robots.txt</strong></td>
<td>{{analysis.seo.robotsTxtStatus}}</td>
</tr>
<tr>
<td><strong>Indexing</strong></td>
<td>{{#if analysis.seo.noindex}}🚫 No Index{{else}}✅ Indexable{{/if}}</td>
</tr>
<tr>
<td><strong>Following</strong></td>
<td>{{#if analysis.seo.nofollow}}🚫 No Follow{{else}}✅ Followable{{/if}}</td>
</tr>
<tr>
<td><strong>Sitemap</strong></td>
<td>{{#if analysis.seo.sitemapPresent}}✅ Present{{else}}❌ Not Found{{/if}}</td>
</tr>
</table>
{{#if analysis.seo.noindex}}
<div class="alert alert-warning">
<strong>⚠️ SEO Warning:</strong> This page is marked as "noindex" and will not appear in search results.
</div>
{{/if}}
{{/if}}
<!-- Security Analysis -->
{{#if analysis.security}}
<h3>🛡️ Security Analysis</h3>
<table>
<tr>
<th>Security Check</th>
<th>Result</th>
</tr>
<tr>
<td><strong>Safe Browsing</strong></td>
<td>{{analysis.security.safeBrowsingStatus}}</td>
</tr>
<tr>
<td><strong>Mixed Content</strong></td>
<td>{{analysis.security.mixedContent}}</td>
</tr>
<tr>
<td><strong>HTTPS Downgrade</strong></td>
<td>{{#if analysis.security.httpsToHttp}}⚠️ Detected{{else}}✅ None{{/if}}</td>
</tr>
</table>
{{#if analysis.security.httpsToHttp}}
<div class="alert alert-error">
<strong>🔒 Security Warning:</strong> HTTPS to HTTP downgrade detected. This can expose sensitive data in transit.
</div>
{{/if}}
{{/if}}
{{/if}}
<!-- Recommendations -->
<div class="recommendations">
<h3>💡 Recommendations</h3>
<ul>
{{#if_eq check.status "LOOP"}}
<li><strong>Fix Redirect Loop:</strong> Review your redirect configuration to prevent infinite loops</li>
<li><strong>Check Server Configuration:</strong> Ensure proper redirect rules in your web server</li>
<li><strong>Monitor Performance:</strong> Redirect loops can severely impact site performance</li>
{{/if_eq}}
{{#if check.loopDetected}}
<li><strong>Immediate Action Required:</strong> Fix the redirect loop to prevent poor user experience</li>
{{/if}}
{{#if analysis.security.httpsToHttp}}
<li><strong>Security Priority:</strong> Ensure all redirects maintain HTTPS encryption</li>
<li><strong>Update Configuration:</strong> Modify server rules to prevent HTTPS downgrades</li>
{{/if}}
{{#if analysis.seo.noindex}}
<li><strong>SEO Review:</strong> Consider if this page should be excluded from search engines</li>
{{/if}}
<!-- General recommendations -->
<li><strong>Minimize Redirects:</strong> Each redirect adds latency - aim for direct links when possible</li>
<li><strong>Use 301 for Permanent:</strong> Use HTTP 301 for permanent URL changes for better SEO</li>
<li><strong>Monitor Regularly:</strong> Set up monitoring to catch redirect issues early</li>
<li><strong>Test Changes:</strong> Always test redirect changes in staging before production</li>
</ul>
</div>
<!-- Footer -->
<div class="footer">
<p><strong>Redirect Intelligence v2</strong> - Comprehensive redirect tracking and analysis</p>
<p>Report generated on {{formatDate generatedAt}} | Check ID: {{check.id}}</p>
<p>Analysis Engine: Enhanced redirect tracking with SSL, SEO, and security analysis</p>
</div>
<script>
// Initialize Mermaid
mermaid.initialize({
startOnLoad: true,
theme: 'default',
themeVariables: {
primaryColor: '#0ea5e9',
primaryTextColor: '#1e293b',
primaryBorderColor: '#0284c7',
lineColor: '#64748b',
secondaryColor: '#f1f5f9',
tertiaryColor: '#f8fafc'
}
});
</script>
</body>
</html>