def __init__(self,
content: Optional[dict] = None,
filename: Optional[str] = None,
data: Optional[bytes] = None,
thumbnail: Optional[bytes] = None):
super().__init__(content,
ContentType.IMAGE,
filename=filename,
data=data)
self.__thumbnail = thumbnail
if thumbnail is not None:
self['thumbnail'] = base64_encode(data=thumbnail)
def __init__(self,
content: Optional[dict] = None,
filename: Optional[str] = None,
data: Optional[bytes] = None,
snapshot: Optional[bytes] = None):
super().__init__(content,
ContentType.VIDEO,
filename=filename,
data=data)
self.__snapshot = snapshot
if snapshot is not None:
self['snapshot'] = base64_encode(data=snapshot)
def __init__(self,
content: Optional[dict] = None,
content_type: Union[ContentType, int] = 0,
filename: Optional[str] = None,
data: Optional[bytes] = None):
if content is None:
if content_type == 0:
content_type = ContentType.FILE
super().__init__(content_type=content_type)
else:
super().__init__(content=content)
self.__attachment = data # attachment (file data)
self.__password = None # symmetric key for decryption
# set values to inner dictionary
if filename is not None:
self['filename'] = filename
if data is not None:
self['data'] = base64_encode(data=data)
def snapshot(self, small_image: bytes):
self.__snapshot = small_image
if small_image is None:
self.pop('snapshot', None)
else:
self['snapshot'] = base64_encode(small_image)
def thumbnail(self, small_image: bytes):
self.__thumbnail = small_image
if small_image is None:
self.pop('thumbnail', None)
else:
self['thumbnail'] = base64_encode(small_image)
def data(self, attachment: bytes):
self.__attachment = attachment
if attachment is None:
self.pop('data', None)
else:
self['data'] = base64_encode(attachment)
def encode_signature(self, signature: bytes, msg: SecureMessage) -> str:
return base64_encode(data=signature)
def encode_key(self, data: bytes, msg: InstantMessage) -> str:
assert not is_broadcast(
msg=msg), 'broadcast message has no key: %s' % msg
return base64_encode(data=data)
def encode_data(self, data: bytes, msg: InstantMessage) -> str:
if is_broadcast(msg=msg):
# broadcast message content will not be encrypted (just encoded to JsON),
# so no need to encode to Base64 here
return utf8_decode(data=data)
return base64_encode(data=data)