flask monkeyrunner http remote PoC (don't use this in production)

app.py

from flask import Flask
from flask_restful import Resource, Api, reqparse
from com.android.monkeyrunner import MonkeyRunner, MonkeyDevice
from apscheduler.schedulers.background import BackgroundScheduler
import time
import subprocess

app = Flask(__name__)
api = Api(app)

app.config['psk'] = '9876'
app.config['android_ip'] = '192.168.0.27'

parser = reqparse.RequestParser()

class Monkey(object):
    
    def __init__(self):
        self.runner = MonkeyRunner.waitForConnection(3)
        apsched = BackgroundScheduler()
        apsched.start()
        apsched.add_job(self.check_connection, 'interval', seconds=5) # check_connection every 5s
        return

    def reconnect(self):
        self.runner = MonkeyRunner.waitForConnection(3)
        try:
            self.runner.getPropertyList()
        except:
            time.sleep(0.5) # prevent reconnecting too fast
        return
            
    def check_connection(self):
        # Ugliest possible way of keeping ADB alive
        adb_check = subprocess.call(['adb', 'get-state', '1'], stderr=subprocess.DEVNULL, stdout=subprocess.DEVNULL)
        if adb_check:
            subprocess.run(['adb', 'connect', app.config['android_ip']], stderr=subprocess.DEVNULL, stdout=subprocess.DEVNULL)
        try:
            self.runner.getPropertyList()
        except:
            print("Connection lost")
            self.reconnect()
        return

class Input(Resource):
    
    def post(self):
        parser.add_argument('psk', type=str)
        parser.add_argument('input', type=str)
        args = parser.parse_args()
        if (args["psk"] == app.config['psk']):
            cmd = args["input"]
            try:
                monkey.runner.press(cmd, MonkeyDevice.DOWN_AND_UP)
                return {
                    'status': True,
                    'input': cmd
                    }
            except:
                return { 'status': False }
        else:
            return { 'status': False }


monkey = Monkey()

api.add_resource(Input, '/input')

if __name__ == '__main__':
    app.run(debug=False) # you should use gunicorn instead of flask debug server

sample usage: curl -d '{"psk":9876,"input":"KEYCODE_VOLUME_MUTE"}' -H 'Content-Type: application/json' http://127.0.0.1:5000/input
full list of keycodes here: https://developer.android.com/reference/android/view/KeyEvent.html