first commit

.gitignore

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+env/

README.md

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+# VPN GOLEM
+
+endpoint | method | body | description
+---------+--------+------+-------------
+/users   | GET    |      | get list of users
+/users   | POST   | ```{ "name": "johndoe" }``` | create new user
+
+

main.py

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+import sqlite3
+import sys
+from flask import Flask, request, jsonify
+app = Flask(__name__)
+
+DATABASE='/data/database.sqlite3'
+db = sqlite3.connect(DATABASE)
+cu = db.cursor()
+db.execute('SELECT name FROM sqlite_master')
+if len(cu.fetchall()) == 0:
+    print('creating database schema...')
+    db.execute('CREATE TABLE IF NOT EXISTS user (id INTEGER PRIMARY KEY, name TEXT UNIQUE)')
+    db.execute('CREATE TABLE IF NOT EXISTS gateway (id INTEGER PRIMARY KEY, name TEXT UNIQUE, user INTEGER REFERENCES user(id))')
+    db.commit()
+cu.close()
+db.close()
+
+@app.route('/')
+def hello_world():
+    return 'It works!'
+
+@app.route('/users', methods=['GET'])
+def get_users():
+    db = sqlite3.connect(DATABASE)
+    cu = db.cursor()
+
+    users = []
+    for row in cu.execute('SELECT id, name FROM user'):
+        users.append({'id': row[0], 'name': row[1]})
+
+    cu.close()
+    db.close()
+    return jsonify(users)
+
+@app.route('/users', methods=['POST'])
+def post_users():
+    db = sqlite3.connect(DATABASE)
+    cu = db.cursor()
+
+    name = request.json['name']
+    print('creating ' + str(name))
+
+    try:
+        cu.execute('INSERT INTO user (name) VALUES (?)', (name,))
+        return jsonify({'status': 'ok'})
+    except sqlite3.Error as e:
+        return jsonify({'status': 'error', 'message': str(e)}), 409
+    finally:    
+        db.commit()
+        cu.close()
+        db.close()
+
+@app.route('/gateways', methods=['GET'])
+def get_gateway():
+    db = sqlite3.connect(DATABASE)
+    cu = db.cursor()
+
+    gateways = []
+    for row in cu.execute('SELECT id, name, user FROM gateway'):
+        gateways.append({'id': row[0], 'name': row[1], 'user': row[2], 'network': row[3]})
+
+    cu.close()
+    db.close()
+    return jsonify(gateways)
+
+if __name__ == '__main__':
+    app.run(host="::", port=5000, debug=True)
+

requirements.txt

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+click==7.1.2
+Flask==1.1.2
+itsdangerous==1.1.0
+Jinja2==2.11.2
+MarkupSafe==1.1.1
+pkg-resources==0.0.0
+Werkzeug==1.0.1