510 lines
17 KiB
JavaScript

const express = require('express');
const axios = require('axios');
const cors = require('cors');
const helmet = require('helmet');
const rateLimit = require('express-rate-limit');
const winston = require('winston');
const path = require('path');
require('dotenv').config();
// Parse project and table IDs from view URL
function parseNocoDBUrl(url) {
if (!url) return { projectId: null, tableId: null };
// Pattern to match NocoDB URLs
const patterns = [
/#\/nc\/([^\/]+)\/([^\/\?#]+)/, // matches #/nc/PROJECT_ID/TABLE_ID (dashboard URLs)
/\/nc\/([^\/]+)\/([^\/\?#]+)/, // matches /nc/PROJECT_ID/TABLE_ID
/project\/([^\/]+)\/table\/([^\/\?#]+)/, // alternative pattern
];
for (const pattern of patterns) {
const match = url.match(pattern);
if (match) {
return {
projectId: match[1],
tableId: match[2]
};
}
}
return { projectId: null, tableId: null };
}
// Add this helper function near the top of the file after the parseNocoDBUrl function
function syncGeoFields(data) {
// If we have latitude and longitude but no Geo-Location, create it
if (data.latitude && data.longitude && !data['Geo-Location']) {
const lat = parseFloat(data.latitude);
const lng = parseFloat(data.longitude);
if (!isNaN(lat) && !isNaN(lng)) {
data['Geo-Location'] = `${lat};${lng}`; // Use semicolon format for NocoDB GeoData
data.geodata = `${lat};${lng}`; // Also update geodata for compatibility
}
}
// If we have Geo-Location but no lat/lng, parse it
else if (data['Geo-Location'] && (!data.latitude || !data.longitude)) {
const geoLocation = data['Geo-Location'].toString();
// Try semicolon-separated first
let parts = geoLocation.split(';');
if (parts.length === 2) {
const lat = parseFloat(parts[0].trim());
const lng = parseFloat(parts[1].trim());
if (!isNaN(lat) && !isNaN(lng)) {
data.latitude = lat;
data.longitude = lng;
data.geodata = `${lat};${lng}`;
return data;
}
}
// Try comma-separated
parts = geoLocation.split(',');
if (parts.length === 2) {
const lat = parseFloat(parts[0].trim());
const lng = parseFloat(parts[1].trim());
if (!isNaN(lat) && !isNaN(lng)) {
data.latitude = lat;
data.longitude = lng;
data.geodata = `${lat};${lng}`;
// Normalize Geo-Location to semicolon format for NocoDB GeoData
data['Geo-Location'] = `${lat};${lng}`;
}
}
}
return data;
}
// Auto-parse IDs if view URL is provided
if (process.env.NOCODB_VIEW_URL && (!process.env.NOCODB_PROJECT_ID || !process.env.NOCODB_TABLE_ID)) {
const { projectId, tableId } = parseNocoDBUrl(process.env.NOCODB_VIEW_URL);
if (projectId && tableId) {
process.env.NOCODB_PROJECT_ID = projectId;
process.env.NOCODB_TABLE_ID = tableId;
console.log(`Auto-parsed from URL - Project ID: ${projectId}, Table ID: ${tableId}`);
}
}
// Configure logger
const logger = winston.createLogger({
level: process.env.NODE_ENV === 'production' ? 'info' : 'debug',
format: winston.format.combine(
winston.format.timestamp(),
winston.format.json()
),
transports: [
new winston.transports.Console({
format: winston.format.simple()
})
]
});
// Initialize Express app
const app = express();
const PORT = process.env.PORT || 3000;
// Security middleware
app.use(helmet({
contentSecurityPolicy: {
directives: {
defaultSrc: ["'self'"],
styleSrc: ["'self'", "'unsafe-inline'", "https://unpkg.com"],
scriptSrc: ["'self'", "'unsafe-inline'", "https://unpkg.com"],
imgSrc: ["'self'", "data:", "https://*.tile.openstreetmap.org"],
connectSrc: ["'self'"]
}
}
}));
// CORS configuration
app.use(cors({
origin: process.env.ALLOWED_ORIGINS?.split(',') || '*',
credentials: true
}));
// Rate limiting
const limiter = rateLimit({
windowMs: 15 * 60 * 1000, // 15 minutes
max: 100 // limit each IP to 100 requests per windowMs
});
const strictLimiter = rateLimit({
windowMs: 15 * 60 * 1000,
max: 20 // limit location creation to 20 per 15 minutes
});
// Middleware
app.use(express.json({ limit: '10mb' }));
app.use(express.static(path.join(__dirname, 'public')));
app.use('/api/', limiter);
// Health check endpoint
app.get('/health', (req, res) => {
res.json({
status: 'healthy',
timestamp: new Date().toISOString(),
version: process.env.npm_package_version || '1.0.0'
});
});
// Configuration validation endpoint (for debugging)
app.get('/api/config-check', (req, res) => {
const config = {
hasApiUrl: !!process.env.NOCODB_API_URL,
hasApiToken: !!process.env.NOCODB_API_TOKEN,
hasProjectId: !!process.env.NOCODB_PROJECT_ID,
hasTableId: !!process.env.NOCODB_TABLE_ID,
projectId: process.env.NOCODB_PROJECT_ID,
tableId: process.env.NOCODB_TABLE_ID,
nodeEnv: process.env.NODE_ENV
};
const isConfigured = config.hasApiUrl && config.hasApiToken && config.hasProjectId && config.hasTableId;
res.json({
configured: isConfigured,
...config
});
});
// Get all locations from NocoDB
app.get('/api/locations', async (req, res) => {
try {
const { limit = 1000, offset = 0, where } = req.query;
const url = `${process.env.NOCODB_API_URL}/db/data/v1/${process.env.NOCODB_PROJECT_ID}/${process.env.NOCODB_TABLE_ID}`;
const params = new URLSearchParams({
limit,
offset
});
if (where) {
params.append('where', where);
}
logger.info(`Fetching locations from NocoDB: ${url}`);
const response = await axios.get(`${url}?${params}`, {
headers: {
'xc-token': process.env.NOCODB_API_TOKEN,
'Content-Type': 'application/json'
},
timeout: 10000 // 10 second timeout
});
// Process locations to ensure they have required fields
const locations = response.data.list || [];
const validLocations = locations.filter(loc => {
// Apply geo field synchronization to each location
loc = syncGeoFields(loc);
// Check if location has valid coordinates
if (loc.latitude && loc.longitude) {
return true;
}
// Try to parse from geodata column (semicolon-separated)
if (loc.geodata && typeof loc.geodata === 'string') {
const parts = loc.geodata.split(';');
if (parts.length === 2) {
loc.latitude = parseFloat(parts[0]);
loc.longitude = parseFloat(parts[1]);
return !isNaN(loc.latitude) && !isNaN(loc.longitude);
}
}
// Try to parse from Geo-Location column (semicolon-separated first, then comma)
if (loc['Geo-Location'] && typeof loc['Geo-Location'] === 'string') {
// Try semicolon first (as we see in the data)
let parts = loc['Geo-Location'].split(';');
if (parts.length === 2) {
loc.latitude = parseFloat(parts[0].trim());
loc.longitude = parseFloat(parts[1].trim());
if (!isNaN(loc.latitude) && !isNaN(loc.longitude)) {
return true;
}
}
// Fallback to comma-separated
parts = loc['Geo-Location'].split(',');
if (parts.length === 2) {
loc.latitude = parseFloat(parts[0].trim());
loc.longitude = parseFloat(parts[1].trim());
return !isNaN(loc.latitude) && !isNaN(loc.longitude);
}
}
return false;
});
logger.info(`Retrieved ${validLocations.length} valid locations out of ${locations.length} total`);
res.json({
success: true,
count: validLocations.length,
total: response.data.pageInfo?.totalRows || validLocations.length,
locations: validLocations
});
} catch (error) {
logger.error('Error fetching locations:', error.message);
if (error.response) {
// NocoDB API error
res.status(error.response.status).json({
success: false,
error: 'Failed to fetch data from NocoDB',
details: error.response.data
});
} else if (error.code === 'ECONNABORTED') {
// Timeout
res.status(504).json({
success: false,
error: 'Request timeout'
});
} else {
// Other errors
res.status(500).json({
success: false,
error: 'Internal server error'
});
}
}
});
// Get single location by ID
app.get('/api/locations/:id', async (req, res) => {
try {
const url = `${process.env.NOCODB_API_URL}/db/data/v1/${process.env.NOCODB_PROJECT_ID}/${process.env.NOCODB_TABLE_ID}/${req.params.id}`;
const response = await axios.get(url, {
headers: {
'xc-token': process.env.NOCODB_API_TOKEN
}
});
res.json({
success: true,
location: response.data
});
} catch (error) {
logger.error(`Error fetching location ${req.params.id}:`, error.message);
res.status(error.response?.status || 500).json({
success: false,
error: 'Failed to fetch location'
});
}
});
// Create new location
app.post('/api/locations', strictLimiter, async (req, res) => {
try {
let locationData = { ...req.body };
// Sync geo fields before validation
locationData = syncGeoFields(locationData);
const { latitude, longitude, ...additionalData } = locationData;
// Validate coordinates
if (!latitude || !longitude) {
return res.status(400).json({
success: false,
error: 'Latitude and longitude are required'
});
}
const lat = parseFloat(latitude);
const lng = parseFloat(longitude);
if (isNaN(lat) || isNaN(lng)) {
return res.status(400).json({
success: false,
error: 'Invalid coordinate values'
});
}
if (lat < -90 || lat > 90) {
return res.status(400).json({
success: false,
error: 'Latitude must be between -90 and 90'
});
}
if (lng < -180 || lng > 180) {
return res.status(400).json({
success: false,
error: 'Longitude must be between -180 and 180'
});
}
// Check bounds if configured
if (process.env.BOUND_NORTH) {
const bounds = {
north: parseFloat(process.env.BOUND_NORTH),
south: parseFloat(process.env.BOUND_SOUTH),
east: parseFloat(process.env.BOUND_EAST),
west: parseFloat(process.env.BOUND_WEST)
};
if (lat > bounds.north || lat < bounds.south ||
lng > bounds.east || lng < bounds.west) {
return res.status(400).json({
success: false,
error: 'Location is outside allowed bounds'
});
}
}
// Format geodata in both formats for compatibility
const geodata = `${lat};${lng}`;
const geoLocation = `${lat};${lng}`; // Use semicolon format for NocoDB GeoData column
// Prepare data for NocoDB
const finalData = {
geodata,
'Geo-Location': geoLocation,
latitude: lat,
longitude: lng,
...additionalData,
created_at: new Date().toISOString()
};
const url = `${process.env.NOCODB_API_URL}/db/data/v1/${process.env.NOCODB_PROJECT_ID}/${process.env.NOCODB_TABLE_ID}`;
logger.info('Creating new location:', { lat, lng });
const response = await axios.post(url, finalData, {
headers: {
'xc-token': process.env.NOCODB_API_TOKEN,
'Content-Type': 'application/json'
}
});
logger.info('Location created successfully:', response.data.id);
res.status(201).json({
success: true,
location: response.data
});
} catch (error) {
logger.error('Error creating location:', error.message);
if (error.response) {
res.status(error.response.status).json({
success: false,
error: 'Failed to save location to NocoDB',
details: error.response.data
});
} else {
res.status(500).json({
success: false,
error: 'Internal server error'
});
}
}
});
// Update location
app.put('/api/locations/:id', strictLimiter, async (req, res) => {
try {
let updateData = { ...req.body };
// Sync geo fields
updateData = syncGeoFields(updateData);
updateData.updated_at = new Date().toISOString();
const url = `${process.env.NOCODB_API_URL}/db/data/v1/${process.env.NOCODB_PROJECT_ID}/${process.env.NOCODB_TABLE_ID}/${req.params.id}`;
const response = await axios.patch(url, updateData, {
headers: {
'xc-token': process.env.NOCODB_API_TOKEN,
'Content-Type': 'application/json'
}
});
res.json({
success: true,
location: response.data
});
} catch (error) {
logger.error(`Error updating location ${req.params.id}:`, error.message);
res.status(error.response?.status || 500).json({
success: false,
error: 'Failed to update location'
});
}
});
// Delete location
app.delete('/api/locations/:id', strictLimiter, async (req, res) => {
try {
const url = `${process.env.NOCODB_API_URL}/db/data/v1/${process.env.NOCODB_PROJECT_ID}/${process.env.NOCODB_TABLE_ID}/${req.params.id}`;
await axios.delete(url, {
headers: {
'xc-token': process.env.NOCODB_API_TOKEN
}
});
logger.info(`Location ${req.params.id} deleted`);
res.json({
success: true,
message: 'Location deleted successfully'
});
} catch (error) {
logger.error(`Error deleting location ${req.params.id}:`, error.message);
res.status(error.response?.status || 500).json({
success: false,
error: 'Failed to delete location'
});
}
});
// Error handling middleware
app.use((err, req, res, next) => {
logger.error('Unhandled error:', err);
res.status(500).json({
success: false,
error: 'Internal server error'
});
});
// Start server
app.listen(PORT, () => {
logger.info(`
╔════════════════════════════════════════╗
║ NocoDB Map Viewer Server ║
╠════════════════════════════════════════╣
║ Status: Running ║
║ Port: ${PORT}
║ Environment: ${process.env.NODE_ENV || 'development'}
║ Project ID: ${process.env.NOCODB_PROJECT_ID}
║ Table ID: ${process.env.NOCODB_TABLE_ID}
║ Time: ${new Date().toISOString()}
╚════════════════════════════════════════╝
`);
});
// Graceful shutdown
process.on('SIGTERM', () => {
logger.info('SIGTERM signal received: closing HTTP server');
app.close(() => {
logger.info('HTTP server closed');
process.exit(0);
});
});