Some refactor
now testing.py looks almost just like i want.
This commit is contained in:
Anton Grigoryev
parent
24a1b9b36b
commit
66a5577ab9
148
mtproto.py
148
mtproto.py
@ -49,8 +49,8 @@ class TlMethod:
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class TL:
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class TL:
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def __init__(self):
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def __init__(self, filename):
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with open("TL_schema.JSON", 'r') as f:
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with open(filename, 'r') as f:
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TL_dict = json.load(f)
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TL_dict = json.load(f)
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# Read constructors
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# Read constructors
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@ -71,79 +71,75 @@ class TL:
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self.method_id[z.id] = z
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self.method_id[z.id] = z
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self.method_name[z.method] = z
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self.method_name[z.method] = z
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def method_call(self, method, **kwargs):
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z = io.BytesIO()
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tl_method = self.method_name[method]
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z.write(struct.pack('<i', tl_method.id))
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for param in tl_method.params:
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self.serialize(bytes_io=z, value=kwargs[param['name']], type_=param['type'])
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return z.getvalue()
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def serialize(self, bytes_io, type_, value):
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## Loading TL_schema
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if type_ == "int":
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tl = TL("TL_schema.JSON")
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assert isinstance(value, int)
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bytes_io.write(struct.pack('<i', value))
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if type_ == "int128":
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assert isinstance(value, bytes)
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bytes_io.write(struct.pack('<16s', value))
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def deserialize(self, bytes_io, type_=None, subtype=None):
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def serialize(bytes_io, type_, value):
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assert isinstance(bytes_io, io.BytesIO)
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if type_ == "int":
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assert isinstance(value, int)
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bytes_io.write(struct.pack('<i', value))
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if type_ == "int128":
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assert isinstance(value, bytes)
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bytes_io.write(struct.pack('<16s', value))
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# Built-in bare types
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def deserialize(bytes_io, type_=None, subtype=None):
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if type_ == 'int':
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assert isinstance(bytes_io, io.BytesIO)
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x = struct.unpack('<i', bytes_io.read(4))[0]
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elif type_ == '#':
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# Built-in bare types
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x = struct.unpack('<I', bytes_io.read(4))[0]
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if type_ == 'int':
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elif type_ == 'long':
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x = struct.unpack('<i', bytes_io.read(4))[0]
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x = struct.unpack('<q', bytes_io.read(8))[0]
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elif type_ == '#':
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elif type_ == 'double':
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x = struct.unpack('<I', bytes_io.read(4))[0]
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x = struct.unpack('<d', bytes_io.read(8))[0]
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elif type_ == 'long':
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elif type_ == 'int128':
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x = struct.unpack('<q', bytes_io.read(8))[0]
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t = struct.unpack('<16s', bytes_io.read(16))[0]
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elif type_ == 'double':
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x = int.from_bytes(t, 'little')
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x = struct.unpack('<d', bytes_io.read(8))[0]
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elif type_ == 'int256':
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elif type_ == 'int128':
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t = struct.unpack('<32s', bytes_io.read(32))[0]
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t = struct.unpack('<16s', bytes_io.read(16))[0]
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x = int.from_bytes(t, 'little')
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x = int.from_bytes(t, 'little')
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elif type_ == 'bytes':
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elif type_ == 'int256':
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l = int.from_bytes(bytes_io.read(1), 'little')
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t = struct.unpack('<32s', bytes_io.read(32))[0]
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x = int.from_bytes(t, 'little')
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elif type_ == 'bytes':
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l = int.from_bytes(bytes_io.read(1), 'little')
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x = bytes_io.read(l)
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bytes_io.read(-(l+1) % 4) # skip padding bytes
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elif type_ == 'string':
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l = int.from_bytes(bytes_io.read(1), 'little')
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assert l <=254
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if l == 254:
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# We have a long string
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long_len = int.from_bytes(bytes_io.read(3), 'little')
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x = bytes_io.read(long_len)
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bytes_io.read(-long_len % 4) # skip padding bytes
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else:
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# We have a short string
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x = bytes_io.read(l)
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x = bytes_io.read(l)
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bytes_io.read(-(l+1) % 4) # skip padding bytes
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bytes_io.read(-(l+1) % 4) # skip padding bytes
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elif type_ == 'string':
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assert isinstance(x, bytes)
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l = int.from_bytes(bytes_io.read(1), 'little')
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elif type_ == 'vector':
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assert l <=254
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assert subtype is not None
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if l == 254:
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count = int.from_bytes(bytes_io.read(4), 'little')
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# We have a long string
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x = [deserialize(bytes_io, type_=subtype) for i in range(count)]
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long_len = int.from_bytes(bytes_io.read(3), 'little')
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else:
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x = bytes_io.read(long_len)
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# Boxed types
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bytes_io.read(-long_len % 4) # skip padding bytes
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i = struct.unpack('<i', bytes_io.read(4))[0] # read type ID
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else:
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try:
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# We have a short string
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tl_elem = tl.constructor_id[i]
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x = bytes_io.read(l)
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except:
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bytes_io.read(-(l+1) % 4) # skip padding bytes
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raise Exception("Could not extract type: %s" % type_)
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assert isinstance(x, bytes)
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base_boxed_types = ["Vector t", "Int", "Long", "Double", "String", "Int128", "Int256"]
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elif type_ == 'vector':
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if tl_elem.type in base_boxed_types:
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assert subtype is not None
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x = deserialize(bytes_io, type_=tl_elem.predicate, subtype=subtype)
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count = int.from_bytes(bytes_io.read(4), 'little')
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else: # other types
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x = [self.deserialize(bytes_io, type_=subtype) for i in range(count)]
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x = {}
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else:
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for arg in tl_elem.params:
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# Boxed types
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x[arg['name']] = deserialize(bytes_io, type_=arg['type'], subtype=arg['subtype'])
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i = struct.unpack('<i', bytes_io.read(4))[0] # read type ID
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return x
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try:
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tl_elem = self.constructor_id[i]
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except:
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raise Exception("Could not extract type: %s" % type_)
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base_boxed_types = ["Vector t", "Int", "Long", "Double", "String", "Int128", "Int256"]
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if tl_elem.type in base_boxed_types:
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x = self.deserialize(bytes_io, type_=tl_elem.predicate, subtype=subtype)
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else: # other types
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x = {}
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for arg in tl_elem.params:
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x[arg['name']] = self.deserialize(bytes_io, type_=arg['type'], subtype=arg['subtype'])
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return x
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class Session:
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class Session:
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""" Manages TCP Transport. encryption and message frames """
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def __init__(self, ip, port):
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def __init__(self, ip, port):
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# creating socket
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# creating socket
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self.sock = socket.socket()
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self.sock = socket.socket()
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@ -211,3 +207,19 @@ class Session:
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print('<<')
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print('<<')
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vis(data) # Received message visualisation to console
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vis(data) # Received message visualisation to console
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return data
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return data
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def method_call(self, method, **kwargs):
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z = io.BytesIO()
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tl_method = tl.method_name[method]
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z.write(struct.pack('<i', tl_method.id))
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for param in tl_method.params:
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serialize(bytes_io=z, value=kwargs[param['name']], type_=param['type'])
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self.send_message(z.getvalue())
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server_answer = self.recv_message()
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return deserialize(io.BytesIO(server_answer))
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class Telegram:
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global tl
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def connect(self, ip, port):
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self.session = Session(ip, port)
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60
testing.py
60
testing.py
@ -2,7 +2,6 @@
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import mtproto
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import mtproto
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import os
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import os
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import prime
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import prime
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import io
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import configparser
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import configparser
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config = configparser.ConfigParser()
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config = configparser.ConfigParser()
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@ -10,67 +9,10 @@ config.read('credentials')
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ip = config['App data']['ip_address']
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ip = config['App data']['ip_address']
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port = config['App data'].getint('port')
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port = config['App data'].getint('port')
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TL=mtproto.TL()
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Session = mtproto.Session(ip, port)
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Session = mtproto.Session(ip, port)
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a = TL.method_call('req_pq', nonce=os.urandom(16))
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x = Session.method_call('req_pq', nonce=os.urandom(16))
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Session.send_message(a)
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b = Session.recv_message()
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x = TL.deserialize(io.BytesIO(b))
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PQ = int.from_bytes(x['pq'], 'big')
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PQ = int.from_bytes(x['pq'], 'big')
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[p, q] = prime.primefactors(PQ)
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[p, q] = prime.primefactors(PQ)
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print("PQ = %d\np = %d, q = %d" % (PQ, p, q))
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print("PQ = %d\np = %d, q = %d" % (PQ, p, q))
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#sock = socket.socket()
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# sock.connect(("149.154.167.40", 443))
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# nonce = os.urandom(16)
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# tosend = b'\x78\x97\x46\x60' + nonce
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# good=(b'\x00\x00\x00\x00\x00\x00\x00\x00'
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# #+b'\x00\x00\x00\x00\x0f\x35\xe8\x51
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# +int(time.time()*2**32).to_bytes(8, 'little')
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# +len(tosend).to_bytes(4, 'little')
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# +tosend)
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# #+b'\x14\x00\x00\x00'
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# #+b'\x78\x97\x46\x60'
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# #+b'\x15\x3e\xa9\xbe\xc5\x4f\xfc\x16'
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# #+b'\x66\x23\x4a\xd0\x31\xc0\xf1\x3d')
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# mtproto.sendpacket(sock, good, 0)
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# (number, data) = mtproto.recvpacket(sock)
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# auth_key_id = data[0:8]
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# message_id = data[8:16]
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# message_length = int.from_bytes(data[16:20], 'little')
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# resPQ = data[20:24]
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# nonce2 = data[24:40]
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# server_nonce = data[40:56]
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# pq = data[56:68]
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# fingerprint_count = int.from_bytes(data[72:76], 'little')
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# fingerprints = []
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# for i in range(fingerprint_count):
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# fingerprints.append(data[76+i*8:76+8*(i+1)])
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# PQ = int.from_bytes(pq[1:9],'big')
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# server_public_key = fingerprints[0]
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# [p, q] = prime.primefactors(PQ)
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# #(p, q)=factorize(PQ)
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# def num_to_string(number, endianness):
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# number_bytes = math.ceil(number.bit_length() / 8)
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# return (number_bytes.to_bytes(3, endianness) +
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# number.to_bytes(number_bytes, endianness) +
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# b'\x00' * ((number_bytes + 3) %4) )
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# new_nonce = os.urandom(32)
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# data = (b'\x83\xc9\x5a\xec' + #(p_q_inner_data)
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# num_to_string(PQ, 'big') +
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# num_to_string(p, 'big') +
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# num_to_string(q, 'big') +
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# nonce +
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# server_nonce +
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# new_nonce )
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# sock.close()
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# #34 00 00 00 - len
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# #00 00 00 00- num in the session
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# #00 00 00 00 00 00 00 00
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# #00 00 00 00 0f 35 e8 51 - message id (unixtime << 32)
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# #14 00 00 00 - message len
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# #78 97 46 60 - function
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# #15 3e a9 be c5 4f fc 16 66 23 4a d0 31 c0 f1 3d - nonce (random number 16 bytes)
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# #dd fe f0 07 - crc32
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