bd52a5e6c1
This is inspired by the version from macdiesel and tomstrummer, but their version was heavily linked with XEP-0096 and focused solely on file transfer. This version is a more generic implementation.
63 lines
1.6 KiB
Python
63 lines
1.6 KiB
Python
import re
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import base64
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from sleekxmpp.exceptions import XMPPError
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from sleekxmpp.xmlstream import register_stanza_plugin, ET, ElementBase
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from sleekxmpp.thirdparty.suelta.util import bytes
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VALID_B64 = re.compile(r'[A-Za-z0-9\+\/]*=*')
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def to_b64(data):
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return bytes(base64.b64encode(bytes(data))).decode('utf-8')
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def from_b64(data):
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return bytes(base64.b64decode(bytes(data))).decode('utf-8')
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class Open(ElementBase):
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name = 'open'
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namespace = 'http://jabber.org/protocol/ibb'
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plugin_attrib = 'ibb_open'
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interfaces = set(('block_size', 'sid', 'stanza'))
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def get_block_size(self):
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return int(self._get_attr('block-size'))
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def set_block_size(self, value):
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self._set_attr('block-size', str(value))
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def del_block_size(self):
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self._del_attr('block-size')
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class Data(ElementBase):
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name = 'data'
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namespace = 'http://jabber.org/protocol/ibb'
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plugin_attrib = 'ibb_data'
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interfaces = set(('seq', 'sid', 'data'))
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sub_interfaces = set(['data'])
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def get_seq(self):
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return int(self._get_attr('seq', '0'))
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def set_seq(self, value):
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self._set_attr('seq', str(value))
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def get_data(self):
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b64_data = self._get_sub_text('data', '')
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if VALID_B64.match(b64_data).group() == b64_data:
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return from_b64(b64_data)
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else:
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raise XMPPError('not-acceptable')
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def set_data(self, value):
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self._set_sub_text('data', to_b64(value))
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class Close(ElementBase):
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name = 'close'
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namespace = 'http://jabber.org/protocol/ibb'
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plugin_attrib = 'ibb_close'
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interfaces = set(['sid'])
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