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import json
import os
import socket
import sys
import struct
import time
from .exceptions import *
OP_HANDSHAKE = 0
OP_FRAME = 1
OP_CLOSE = 2
OP_PING = 3
OP_PONG = 4
class RPC:
def __init__(self, client_id):
self.client_id = client_id
self._connect()
self._do_handshake()
self._output = None
self.show_output = False
@classmethod
def set_id(self, app_id):
app_id = str(app_id)
platform = sys.platform
if platform == 'win32':
return DiscordWindows(app_id)
else:
return DiscordUnix(app_id)
def _connect(self):
pass
def _do_handshake(self):
op, data = self.send_recv({'v': 1, 'client_id': self.client_id}, op=OP_HANDSHAKE)
if op == OP_FRAME and data['cmd'] == 'DISPATCH' and data['evt'] == 'READY':
return
else:
if op == OP_CLOSE:
self.close()
if data['code'] == 4000:
raise InvalidID()
raise RPCException(f"Unknown error : {data}")
def _write(self, data:bytes):
pass
def _recv(self, size:int) -> bytes:
pass
def _recv_header(self):
header = self._recv_exact(8)
return struct.unpack("<II", header)
def _recv_exact(self, size_remaining) -> bytes:
buf = b""
while size_remaining:
chunk = self._recv(size_remaining)
buf += chunk
size_remaining -= len(chunk)
return buf
def close(self):
try:
self.send({}, op=OP_CLOSE)
finally:
self._close()
def _close(self):
pass
def __enter__(self):
return self
def __exit__(self, *_):
self.close()
def send_recv(self, data, op=OP_FRAME):
self.send(data, op)
return self.recv()
def send(self, data, op=OP_FRAME):
data = json.dumps(data, separators=(',', ':')).encode('UTF-8')
header = struct.pack("<II", op, len(data))
self._write(header)
self._write(data)
def recv(self):
op, length = self._recv_header()
payload = self._recv_exact(length)
data = json.loads(payload.decode('UTF-8'))
return op, data
timestamp = time.mktime(time.localtime())
def set_activity(
self,
state:str=None,
details:str=None,
timestamp=None,
small_text:str='null',
large_text:str='null',
small_image:str='null',
large_image:str='null',
buttons=None
):
if len(large_text) <= 1:
raise Error('"large text" must be at least above 1 characters')
if len(small_text) <= 1:
raise Error('"small text" must be at least above 1 characters')
act = {
"state": state,
"details": details,
"timestamps": {
"start": timestamp
},
"assets": {
"small_text": small_text,
"large_text": large_text,
"small_image": str(small_image),
"large_image": str(large_image)
},
"buttons": buttons,
}
if state == None or state == '' or state == 'null':
act.pop('state', None)
if details == None or details == '' or details == 'null':
act.pop('details', None)
if small_text == None or small_text == '' or small_text == 'null':
act['assets'].pop('small_text', None)
if large_text == None or large_text == '' or large_text == 'null':
act['assets'].pop('large_text', None)
if timestamp == None:
act.pop('timestamps', None)
if buttons == None:
act.pop('buttons', None)
data = {
'cmd': 'SET_ACTIVITY',
'args': {
'pid': os.getpid(),
'activity': act
},
'nonce': '{:.20f}'.format(time.time())
}
self.send(data)
op, length = self._recv_header()
payload = self._recv_exact(length)
output = json.loads(payload.decode('UTF-8'))
if output['evt'] == 'ERROR':
raise ActivityError
else:
if self.show_output==True:print(f"Successfully set RPC for {self.client_id}")
return op, output
def run(self):
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
self.close()
class DiscordWindows(RPC):
_pipe_path = R'\\?\pipe\discord-ipc-{}'
def _connect(self):
for i in range(10):
path = self._pipe_path.format(i)
try:
self._open = open(path, "w+b")
except OSError as e:
raise Error("Failed to open {!r}: {}".format(path, e))
else:
break
else:
raise DiscordNotOpened
self.path = path
def _write(self, data:bytes):
self._open.write(data)
self._open.flush()
def _recv(self, size:int) -> bytes:
return self._open.read(size)
def _close(self):
self._open.close()
class DiscordUnix(RPC):
def _connect(self):
self._socket = socket.socket(socket.AF_UNIX)
pipe_path = self._get_pipe_path()
for i in range(10):
path = pipe_path.format(i)
if not os.path.exists(path):
continue
try:
self._socket.connect(path)
except OSError as e:
raise Error("Failed to open {!r}: {}".format(path, e))
else:
break
else:
raise DiscordNotOpened
def _get_pipe_path(self):
env_keys = ('XDG_RUNTIME_DIR', 'TMPDIR', 'TMP', 'TEMP')
for env_key in env_keys:
dir_path = os.environ.get(env_key)
if dir_path:
break
else:
dir_path = '/tmp'
return os.path.join(dir_path, 'discord-ipc-{}')
def _write(self, data:bytes):
self._socket.sendall(data)
def _recv(self, size:int) -> bytes:
return self._socket.recv(size)
def _close(self):
self._socket.close()
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