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import os
import re
import uuid
from flask import Flask, request, jsonify, send_from_directory
app = Flask(__name__)
app.config['UPLOAD_FOLDER'] = os.environ.get('UPLOAD_FOLDER', '/uploads')
app.config['MAX_CONTENT_LENGTH'] = int(os.environ.get('MAX_CONTENT_LENGTH', '5')) * 1024 * 1024 # in MB
VALID_FILENAME_REGEX = r'^[a-zA-Z0-9\-_\.]+$'
UPLOAD_TOKEN = os.environ.get('UPLOAD_TOKEN')
def is_valid_filename(filename):
return bool(re.match(VALID_FILENAME_REGEX, filename))
@app.route('/upload', methods=['POST'])
def upload_file():
if 'file' not in request.files:
return jsonify({'error': 'No file part in the request'}), 400
if 'token' not in request.headers:
return jsonify({'error': 'No token supplied'}), 401
if request.headers['token'] != UPLOAD_TOKEN:
return jsonify({'error': 'Invalid token supplied'}), 401
file = request.files['file']
if file.filename == '':
return jsonify({'error': 'No file selected for upload'}), 400
if not is_valid_filename(file.filename):
return jsonify({'error': 'Invalid filename. Only alphanumeric characters, hyphens, underscores, and periods are allowed.'}), 400
filename = file.filename
file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
return jsonify({'success': 'File {} successfully uploaded'.format(filename)})
@app.route('/download/<filename>', methods=['GET'])
def download_file(filename):
try:
return send_from_directory(app.config['UPLOAD_FOLDER'], filename)
except FileNotFoundError:
return jsonify({'error': 'File not found'}), 404
if __name__ == '__main__':
app.run(debug=True, host='0.0.0.0', port=int(os.environ.get('PORT', 5000)))
# Upload
# curl -X POST -H "token: myuploadtoken" -F "file=@/path/to/file" http://docker10.grote.lan:5040/upload
# Download
# curl -X GET http://docker10.grote.lan:5040/download/filename.ext > filename.ext
# List
# curl -X GET http://docker10.grote.lan:5040/files
# Metriken
# curl -X GET http://docker10.grote.lan:5040/metrics
# upload check
# download
# farben im putput weg
# wsgi server
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