156 lines
4.2 KiB
Python
156 lines
4.2 KiB
Python
import os
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import base64
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import threading
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import logging
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import random
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import time
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import shutil
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import tempfile
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from websocket_server import WebsocketServer
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import imgproc as hcapi
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import argon2
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# Select backend - backends.port8080 uses HamClock's port 8080 service;
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# backends.x11 uses an X11 server (typically Xvfb) (make sure DISPLAY is set
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# correctly!)
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#import backends.port8080 as backend
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import backends.x11 as backend
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hcapi.backend = backend
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ph = argon2.PasswordHasher()
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def cycle():
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try:
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changed = hcapi.get_split_imgs()
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except Exception as e:
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for client in clients.values():
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client.send('err%noconn%Server failed to capture screenshot', 'ERR')
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time.sleep(3)
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return
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for i in changed:
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threading.Thread(target=do_img, args=(i,)).start()
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for client in clients.values():
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client.ack()
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class Client:
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def __init__(self, client, server):
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self.client = client
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self.server = server
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self.items = {}
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self.lock = threading.Lock()
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self.good = True
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def send(self, item, name):
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with self.lock:
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self.items[name] = item
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def ack(self):
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with self.lock:
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try:
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self.server.send_message(self.client, 'ack')
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self.good = False
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except BrokenPipeError:
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pass
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def cycle(self):
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with self.lock:
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try:
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while not self.good:
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pass
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for name, item in list(self.items.items()):
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if not self.good:
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break
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self.server.send_message(self.client, item)
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del self.items[name]
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except BrokenPipeError:
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pass
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def run(self):
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while True:
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self.cycle()
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clients = {}
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def do_img(imgname):
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for client in clients.values():
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client.send(img(imgname), imgname)
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def img(imgname):
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with open(f'pieces/{imgname}.jpg', 'rb') as f:
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img = f.read()
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response = f'pic%{imgname}%data:imgage/jpeg;base64,{base64.b64encode(img).decode("utf-8")}'
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return response
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def new_client(client, server):
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if clients:
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server.send_message(client, 'err%*inuse%Server already in use')
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client['handler'].send_text("", opcode=0x8)
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return
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clients[client['id']] = Client(client, server)
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try:
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imgname = hcapi.get_full_img()
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except Exceptidon as e:
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server.send_message(client, 'err%noconn%Server failed to capture screenshot')
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return
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clients[client['id']] = Client(client, server)
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with open(imgname, 'rb') as f:
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img = f.read()
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os.unlink(imgname)
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server.send_message(client, f'pic%0x0%data:imgage/jpeg;base64,{base64.b64encode(img).decode("utf-8")}')
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clients[client['id']] = Client(client, server)
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clients[client['id']].ack()
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threading.Thread(target=clients[client['id']].run).start()
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def do_touch(client, server, message):
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action = message.split(' ', 1)[0]
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if action == 'ack':
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clients[client['id']].good = True
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else:
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_, password, x, y, w, is_long = message.split(' ')
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try:
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ph.verify('$argon2id$v=19$m=102400,t=2,p=8$NExqSUh+0wzBznBG9jM6ww$MkaPLZ6WPAegb8BI+IL7Bg', password)
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x, y, w, is_long = int(x), int(y), int(w), is_long == 'true'
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hcapi.touch(x, y, w, is_long)
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except argon2.exceptions.VerifyMismatchError:
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clients[client['id']].send(f'badpass', 'BADPASS')
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client['handler'].send_text("", opcode=0x8)
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def client_left(client, server):
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clients[client['id']].good = False
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del clients[client['id']]
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def do_cycles():
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while True:
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if clients:
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cycle()
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time.sleep(0.4)
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else:
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time.sleep(1)
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tmp = tempfile.mkdtemp(prefix="HCRA-")
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try:
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shutil.copy('crops.json', tmp)
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os.chdir(tmp)
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os.mkdir('pieces')
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server = WebsocketServer(1234, host='0.0.0.0', loglevel=logging.INFO)
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threading.Thread(target=do_cycles).start()
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server.set_fn_new_client(new_client)
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server.set_fn_message_received(do_touch)
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server.set_fn_client_left(client_left)
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server.run_forever()
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finally:
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os.chdir('/')
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shutil.rmtree(tmp)
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