From c1f9c689b7b7274afaa091fd7f3d3c779ab633e0 Mon Sep 17 00:00:00 2001 From: sebseb7 Date: Thu, 18 Dec 2025 13:45:32 +0100 Subject: [PATCH] Initial commit: PicUpper webcam upload service --- .gitignore | 5 + README.md | 265 +++++++++++ ecosystem.config.cjs | 12 + manage-users.js | 150 +++++++ package-lock.json | 1013 ++++++++++++++++++++++++++++++++++++++++++ package.json | 22 + server.js | 220 +++++++++ users.js | 139 ++++++ 8 files changed, 1826 insertions(+) create mode 100644 .gitignore create mode 100644 README.md create mode 100644 ecosystem.config.cjs create mode 100644 manage-users.js create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 server.js create mode 100644 users.js diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..8ac0d15 --- /dev/null +++ b/.gitignore @@ -0,0 +1,5 @@ +node_modules/ +uploads/ +users.json +.DS_Store +*.log diff --git a/README.md b/README.md new file mode 100644 index 0000000..2929edb --- /dev/null +++ b/README.md @@ -0,0 +1,265 @@ +# PicUpper - Webcam Picture Upload Service + +A Node.js service that receives pictures from webcams and stores them in a structured way for creating time-lapse movies. + +## Features + +- **Multi-camera support**: Handle uploads from multiple webcams simultaneously +- **API key authentication**: Secure your upload endpoint +- **Time-based storage**: Images organized by camera/year/month/day for easy time-lapse creation +- **High-frequency uploads**: Handles uploads up to every second + +## Installation + +```bash +cd /path/to/picUpper +npm install +``` + +## User Management + +PicUpper supports multiple users, each with their own API key. Manage users with the CLI tool: + +```bash +# Add a new user (returns the API key - save it!) +node manage-users.js add webcam1 "Front door camera" +node manage-users.js add backyard "Backyard camera" + +# List all users +node manage-users.js list + +# Regenerate API key for a user +node manage-users.js regenerate webcam1 + +# Disable/enable a user +node manage-users.js disable webcam1 +node manage-users.js enable webcam1 + +# Remove a user +node manage-users.js remove webcam1 +``` + +Users are stored in `users.json`. Each user has an individual API key that can be used for authentication. + +## Configuration + +| Variable | Required | Description | +|----------|----------|-------------| +| `PICUPPER_PORT` | Yes | Port the service listens on | +| `PICUPPER_UPLOAD_DIR` | No | Custom upload directory (default: `./uploads`) | +| `PICUPPER_USERS_FILE` | No | Custom users file path (default: `./users.json`) | + +## Running the Service + +```bash +# First, create at least one user +node manage-users.js add mywebcam "My webcam" + +# Start the service +export PICUPPER_PORT=3080 +npm start +``` + +## API Reference + +### Health Check + +```bash +GET /health +``` + +No authentication required. Returns service status. + +**Response:** +```json +{ + "status": "ok", + "timestamp": "2025-12-18T12:00:00.000Z", + "uptime": 1234.56 +} +``` + +### Upload Picture + +```bash +POST /upload +``` + +Upload a picture from a webcam. + +**Headers:** +- `X-API-Key`: Your API key + +**Form Data:** +- `image`: The image file (JPEG, PNG, WebP, or GIF) +- `cameraId`: Identifier for the camera (optional, default: "default") + +**Example with curl:** +```bash +curl -X POST \ + -H "X-API-Key: your-secret-key" \ + -F "image=@snapshot.jpg" \ + -F "cameraId=front-door" \ + http://localhost:3080/upload +``` + +**Response:** +```json +{ + "success": true, + "cameraId": "front-door", + "filename": "front-door_2025-12-18T12-00-00-000Z.jpg", + "path": "/path/to/uploads/front-door/2025/12/18/front-door_2025-12-18T12-00-00-000Z.jpg", + "size": 45678, + "timestamp": "2025-12-18T12:00:00.000Z" +} +``` + +### List Cameras + +```bash +GET /cameras +``` + +List all cameras that have uploaded images. + +**Headers:** +- `X-API-Key`: Your API key + +**Example:** +```bash +curl -H "X-API-Key: your-secret-key" http://localhost:3080/cameras +``` + +### Camera Statistics + +```bash +GET /stats/:cameraId +``` + +Get upload statistics for a specific camera. + +**Example:** +```bash +curl -H "X-API-Key: your-secret-key" http://localhost:3080/stats/front-door +``` + +**Response:** +```json +{ + "cameraId": "front-door", + "totalImages": 1440, + "totalSizeBytes": 72000000, + "totalSizeMB": "68.66", + "oldestImage": "2025-12-01T00:00:00.000Z", + "newestImage": "2025-12-18T12:00:00.000Z" +} +``` + +## Storage Structure + +Images are stored in a hierarchical directory structure optimized for time-lapse processing: + +``` +uploads/ + └── {cameraId}/ + └── {YYYY}/ + └── {MM}/ + └── {DD}/ + └── {cameraId}_{timestamp}.jpg +``` + +This structure allows files to be concatenated in chronological order for movie creation. + +## Nginx Configuration + +**Current deployment:** `https://dev.seedheads.de/picUploadApi/` + +To expose the API under `/picUploadApi/` on your website, add this to your nginx configuration: + +```nginx +location /picUploadApi/ { + # Strip the /picUploadApi prefix when proxying + rewrite ^/picUploadApi/(.*)$ /$1 break; + + proxy_pass http://127.0.0.1:3080; + proxy_http_version 1.1; + proxy_set_header Host $host; + proxy_set_header X-Real-IP $remote_addr; + proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; + proxy_set_header X-Forwarded-Proto $scheme; + + # Important for file uploads + client_max_body_size 5M; + proxy_request_buffering off; +} +``` + +After adding, reload nginx: +```bash +sudo nginx -t && sudo systemctl reload nginx +``` + +Now you can access the API at `https://yourwebsite.com/picUploadApi/upload`. + +## Creating Time-Lapse Movies + +Once you have collected images, you can create a time-lapse movie using ffmpeg: + +```bash +# Navigate to a specific day's images +cd uploads/front-door/2025/12/18 + +# Create a video at 30fps (each frame shows for 1/30th of a second) +ffmpeg -pattern_type glob -i '*.jpg' -c:v libx264 -pix_fmt yuv420p -r 30 timelapse.mp4 + +# Or create a slower video at 10fps +ffmpeg -pattern_type glob -i '*.jpg' -c:v libx264 -pix_fmt yuv420p -r 10 timelapse-slow.mp4 +``` + +For multi-day time-lapses: +```bash +# Create a file list +find uploads/front-door/2025/12 -name '*.jpg' | sort > filelist.txt + +# Convert to ffmpeg format +sed "s/^/file '/; s/$/'/" filelist.txt > ffmpeg-list.txt + +# Create video from list +ffmpeg -f concat -safe 0 -i ffmpeg-list.txt -c:v libx264 -pix_fmt yuv420p -r 30 december-timelapse.mp4 +``` + +## Webcam Upload Script Example + +Here's a simple bash script to capture and upload from a webcam: + +```bash +#!/bin/bash +# capture-and-upload.sh + +API_URL="http://localhost:3080/upload" +API_KEY="your-secret-key" +CAMERA_ID="webcam1" +TEMP_FILE="/tmp/webcam_snapshot.jpg" + +# Capture from webcam (requires fswebcam) +fswebcam -r 1920x1080 --no-banner "$TEMP_FILE" + +# Upload to PicUpper +curl -s -X POST \ + -H "X-API-Key: $API_KEY" \ + -F "image=@$TEMP_FILE" \ + -F "cameraId=$CAMERA_ID" \ + "$API_URL" + +rm -f "$TEMP_FILE" +``` + +Run it every minute with cron: +```bash +* * * * * /path/to/capture-and-upload.sh +``` + +## License + +MIT diff --git a/ecosystem.config.cjs b/ecosystem.config.cjs new file mode 100644 index 0000000..a772c56 --- /dev/null +++ b/ecosystem.config.cjs @@ -0,0 +1,12 @@ +module.exports = { + apps: [{ + name: 'picupper', + script: 'server.js', + env: { + PICUPPER_PORT: 3080 + }, + watch: false, + instances: 1, + autorestart: true + }] +}; diff --git a/manage-users.js b/manage-users.js new file mode 100644 index 0000000..04a9b99 --- /dev/null +++ b/manage-users.js @@ -0,0 +1,150 @@ +#!/usr/bin/env node + +import { + addUser, + removeUser, + listUsers, + regenerateApiKey, + setUserEnabled +} from './users.js'; + +const command = process.argv[2]; +const args = process.argv.slice(3); + +function printUsage() { + console.log(` +PicUpper User Management CLI + +Usage: node manage-users.js [options] + +Commands: + add [description] Add a new user and generate API key + remove Remove a user + list List all users + regenerate Regenerate API key for a user + enable Enable a user + disable Disable a user + +Examples: + node manage-users.js add webcam1 "Front door camera" + node manage-users.js add backyard "Backyard camera" + node manage-users.js list + node manage-users.js regenerate webcam1 + node manage-users.js disable webcam1 +`); +} + +try { + switch (command) { + case 'add': { + const username = args[0]; + const description = args.slice(1).join(' ') || ''; + + if (!username) { + console.error('Error: Username is required'); + printUsage(); + process.exit(1); + } + + const apiKey = addUser(username, description); + console.log(`\nUser '${username}' created successfully!`); + console.log(`\nAPI Key (save this, it won't be shown again):`); + console.log(`\n ${apiKey}\n`); + break; + } + + case 'remove': { + const username = args[0]; + + if (!username) { + console.error('Error: Username is required'); + process.exit(1); + } + + removeUser(username); + console.log(`User '${username}' removed successfully.`); + break; + } + + case 'list': { + const users = listUsers(); + + if (users.length === 0) { + console.log('No users found. Use "add" command to create one.'); + break; + } + + console.log('\nRegistered Users:'); + console.log('─'.repeat(80)); + + for (const user of users) { + const status = user.enabled ? '✓ enabled' : '✗ disabled'; + console.log(` ${user.username}`); + console.log(` Key: ${user.keyPreview}`); + console.log(` Status: ${status}`); + if (user.description) { + console.log(` Description: ${user.description}`); + } + console.log(` Created: ${user.createdAt}`); + console.log(''); + } + break; + } + + case 'regenerate': { + const username = args[0]; + + if (!username) { + console.error('Error: Username is required'); + process.exit(1); + } + + const newApiKey = regenerateApiKey(username); + console.log(`\nAPI key regenerated for '${username}'!`); + console.log(`\nNew API Key (save this, it won't be shown again):`); + console.log(`\n ${newApiKey}\n`); + break; + } + + case 'enable': { + const username = args[0]; + + if (!username) { + console.error('Error: Username is required'); + process.exit(1); + } + + setUserEnabled(username, true); + console.log(`User '${username}' enabled.`); + break; + } + + case 'disable': { + const username = args[0]; + + if (!username) { + console.error('Error: Username is required'); + process.exit(1); + } + + setUserEnabled(username, false); + console.log(`User '${username}' disabled.`); + break; + } + + case 'help': + case '--help': + case '-h': + case undefined: + printUsage(); + break; + + default: + console.error(`Unknown command: ${command}`); + printUsage(); + process.exit(1); + } +} catch (error) { + console.error(`Error: ${error.message}`); + process.exit(1); +} diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..5f258a1 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,1013 @@ +{ + "name": "pic-upper", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "pic-upper", + "version": "1.0.0", + "license": "MIT", + "dependencies": { + "express": "^4.21.0", + "multer": "^1.4.5-lts.1", + "uuid": "^10.0.0" + } + }, + "node_modules/accepts": { + "version": "1.3.8", + "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz", + 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"type": "module", + "main": "server.js", + "scripts": { + "start": "node server.js" + }, + "keywords": [ + "webcam", + "timelapse", + "upload", + "api" + ], + "license": "MIT", + "dependencies": { + "express": "^4.21.0", + "multer": "^1.4.5-lts.1", + "uuid": "^10.0.0" + } +} diff --git a/server.js b/server.js new file mode 100644 index 0000000..796b338 --- /dev/null +++ b/server.js @@ -0,0 +1,220 @@ +import express from 'express'; +import multer from 'multer'; +import path from 'path'; +import fs from 'fs'; +import { fileURLToPath } from 'url'; +import { validateApiKey, loadUsers } from './users.js'; + +const __filename = fileURLToPath(import.meta.url); +const __dirname = path.dirname(__filename); + +// Configuration from environment variables +const PORT = process.env.PICUPPER_PORT; +const UPLOAD_DIR = process.env.PICUPPER_UPLOAD_DIR || path.join(__dirname, 'uploads'); +const MAX_FILE_SIZE = 5 * 1024 * 1024; // 5MB - typical webcam snapshot size + +if (!PORT) { + console.error('ERROR: PICUPPER_PORT environment variable is required'); + process.exit(1); +} + +// Check for users +const users = loadUsers(); +if (Object.keys(users).length === 0) { + console.warn('WARNING: No users configured. Use "node manage-users.js add " to create users.'); +} + +// Ensure upload directory exists +if (!fs.existsSync(UPLOAD_DIR)) { + fs.mkdirSync(UPLOAD_DIR, { recursive: true }); +} + +const app = express(); + +// API Key authentication middleware +function authenticate(req, res, next) { + const providedKey = req.headers['x-api-key'] || req.query.apiKey; + + if (!providedKey) { + return res.status(401).json({ error: 'Unauthorized: Missing API key' }); + } + + const username = validateApiKey(providedKey); + if (!username) { + return res.status(401).json({ error: 'Unauthorized: Invalid API key' }); + } + + // Attach username to request for logging/tracking + req.authenticatedUser = username; + next(); +} + +// Configure multer storage +const storage = multer.diskStorage({ + destination: (req, file, cb) => { + const cameraId = req.body.cameraId || req.query.cameraId || 'default'; + const now = new Date(); + + // Create directory structure: uploads/{cameraId}/{YYYY}/{MM}/{DD}/ + const year = now.getFullYear().toString(); + const month = String(now.getMonth() + 1).padStart(2, '0'); + const day = String(now.getDate()).padStart(2, '0'); + + const destPath = path.join(UPLOAD_DIR, cameraId, year, month, day); + + fs.mkdirSync(destPath, { recursive: true }); + cb(null, destPath); + }, + filename: (req, file, cb) => { + const cameraId = req.body.cameraId || req.query.cameraId || 'default'; + const now = new Date(); + + // Filename format: {cameraId}_{timestamp}.{ext} + const timestamp = now.toISOString().replace(/[:.]/g, '-'); + const ext = path.extname(file.originalname) || '.jpg'; + + cb(null, `${cameraId}_${timestamp}${ext}`); + } +}); + +// File filter - only accept images +function fileFilter(req, file, cb) { + const allowedMimes = ['image/jpeg', 'image/png', 'image/webp', 'image/gif']; + + if (allowedMimes.includes(file.mimetype)) { + cb(null, true); + } else { + cb(new Error(`Invalid file type: ${file.mimetype}. Allowed: ${allowedMimes.join(', ')}`), false); + } +} + +const upload = multer({ + storage, + fileFilter, + limits: { + fileSize: MAX_FILE_SIZE + } +}); + +// Health check endpoint (no auth required) +app.get('/health', (req, res) => { + res.json({ + status: 'ok', + timestamp: new Date().toISOString(), + uptime: process.uptime() + }); +}); + +// Upload endpoint +app.post('/upload', authenticate, upload.single('image'), (req, res) => { + if (!req.file) { + return res.status(400).json({ error: 'No image file provided. Use form field "image".' }); + } + + const cameraId = req.body.cameraId || req.query.cameraId || 'default'; + + res.json({ + success: true, + cameraId, + filename: req.file.filename, + path: req.file.path, + size: req.file.size, + timestamp: new Date().toISOString() + }); +}); + +// List cameras (directories in upload folder) +app.get('/cameras', authenticate, (req, res) => { + try { + if (!fs.existsSync(UPLOAD_DIR)) { + return res.json({ cameras: [] }); + } + + const cameras = fs.readdirSync(UPLOAD_DIR, { withFileTypes: true }) + .filter(dirent => dirent.isDirectory()) + .map(dirent => dirent.name); + + res.json({ cameras }); + } catch (error) { + res.status(500).json({ error: 'Failed to list cameras', details: error.message }); + } +}); + +// Get statistics for a camera +app.get('/stats/:cameraId', authenticate, (req, res) => { + const { cameraId } = req.params; + const cameraPath = path.join(UPLOAD_DIR, cameraId); + + if (!fs.existsSync(cameraPath)) { + return res.status(404).json({ error: `Camera '${cameraId}' not found` }); + } + + try { + let totalImages = 0; + let totalSize = 0; + let oldestImage = null; + let newestImage = null; + + // Recursively count files + function countFiles(dir) { + const entries = fs.readdirSync(dir, { withFileTypes: true }); + + for (const entry of entries) { + const fullPath = path.join(dir, entry.name); + + if (entry.isDirectory()) { + countFiles(fullPath); + } else if (entry.isFile()) { + totalImages++; + const stats = fs.statSync(fullPath); + totalSize += stats.size; + + if (!oldestImage || stats.mtime < oldestImage) { + oldestImage = stats.mtime; + } + if (!newestImage || stats.mtime > newestImage) { + newestImage = stats.mtime; + } + } + } + } + + countFiles(cameraPath); + + res.json({ + cameraId, + totalImages, + totalSizeBytes: totalSize, + totalSizeMB: (totalSize / (1024 * 1024)).toFixed(2), + oldestImage: oldestImage ? oldestImage.toISOString() : null, + newestImage: newestImage ? newestImage.toISOString() : null + }); + } catch (error) { + res.status(500).json({ error: 'Failed to get camera stats', details: error.message }); + } +}); + +// Error handling middleware +app.use((error, req, res, next) => { + if (error instanceof multer.MulterError) { + if (error.code === 'LIMIT_FILE_SIZE') { + return res.status(413).json({ + error: `File too large. Maximum size: ${MAX_FILE_SIZE / (1024 * 1024)}MB` + }); + } + return res.status(400).json({ error: error.message }); + } + + if (error) { + return res.status(400).json({ error: error.message }); + } + + next(); +}); + +// Start server +app.listen(PORT, () => { + console.log(`PicUpper service running on port ${PORT}`); + console.log(`Upload directory: ${UPLOAD_DIR}`); + console.log(`Max file size: ${MAX_FILE_SIZE / (1024 * 1024)}MB`); +}); diff --git a/users.js b/users.js new file mode 100644 index 0000000..5d2a353 --- /dev/null +++ b/users.js @@ -0,0 +1,139 @@ +import fs from 'fs'; +import path from 'path'; +import crypto from 'crypto'; +import { fileURLToPath } from 'url'; + +const __filename = fileURLToPath(import.meta.url); +const __dirname = path.dirname(__filename); + +const USERS_FILE = process.env.PICUPPER_USERS_FILE || path.join(__dirname, 'users.json'); + +/** + * Load users from JSON file + */ +export function loadUsers() { + if (!fs.existsSync(USERS_FILE)) { + return {}; + } + + try { + const data = fs.readFileSync(USERS_FILE, 'utf-8'); + return JSON.parse(data); + } catch (error) { + console.error('Error loading users file:', error.message); + return {}; + } +} + +/** + * Save users to JSON file + */ +export function saveUsers(users) { + fs.writeFileSync(USERS_FILE, JSON.stringify(users, null, 2)); +} + +/** + * Generate a secure API key + */ +export function generateApiKey() { + return crypto.randomBytes(32).toString('hex'); +} + +/** + * Add a new user with generated API key + */ +export function addUser(username, description = '') { + const users = loadUsers(); + + if (users[username]) { + throw new Error(`User '${username}' already exists`); + } + + const apiKey = generateApiKey(); + + users[username] = { + apiKey, + description, + createdAt: new Date().toISOString(), + enabled: true + }; + + saveUsers(users); + return apiKey; +} + +/** + * Remove a user + */ +export function removeUser(username) { + const users = loadUsers(); + + if (!users[username]) { + throw new Error(`User '${username}' not found`); + } + + delete users[username]; + saveUsers(users); +} + +/** + * Regenerate API key for a user + */ +export function regenerateApiKey(username) { + const users = loadUsers(); + + if (!users[username]) { + throw new Error(`User '${username}' not found`); + } + + const newApiKey = generateApiKey(); + users[username].apiKey = newApiKey; + users[username].keyRegeneratedAt = new Date().toISOString(); + + saveUsers(users); + return newApiKey; +} + +/** + * Enable/disable a user + */ +export function setUserEnabled(username, enabled) { + const users = loadUsers(); + + if (!users[username]) { + throw new Error(`User '${username}' not found`); + } + + users[username].enabled = enabled; + saveUsers(users); +} + +/** + * List all users (without exposing full API keys) + */ +export function listUsers() { + const users = loadUsers(); + + return Object.entries(users).map(([username, data]) => ({ + username, + description: data.description, + createdAt: data.createdAt, + enabled: data.enabled, + keyPreview: data.apiKey.substring(0, 8) + '...' + })); +} + +/** + * Validate an API key and return the username if valid + */ +export function validateApiKey(apiKey) { + const users = loadUsers(); + + for (const [username, data] of Object.entries(users)) { + if (data.apiKey === apiKey && data.enabled) { + return username; + } + } + + return null; +}