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-rw-r--r--sleekxmpp/plugins/xep_0047/stanza.py66
1 files changed, 66 insertions, 0 deletions
diff --git a/sleekxmpp/plugins/xep_0047/stanza.py b/sleekxmpp/plugins/xep_0047/stanza.py
new file mode 100644
index 00000000..2e4f8ccc
--- /dev/null
+++ b/sleekxmpp/plugins/xep_0047/stanza.py
@@ -0,0 +1,66 @@
+import re
+import base64
+
+from sleekxmpp.exceptions import XMPPError
+from sleekxmpp.xmlstream import register_stanza_plugin, ET, ElementBase
+from sleekxmpp.thirdparty.suelta.util import bytes
+
+
+VALID_B64 = re.compile(r'[A-Za-z0-9\+\/]*=*')
+
+
+def to_b64(data):
+ return bytes(base64.b64encode(bytes(data))).decode('utf-8')
+
+def from_b64(data):
+ return bytes(base64.b64decode(bytes(data))).decode('utf-8')
+
+
+class Open(ElementBase):
+ name = 'open'
+ namespace = 'http://jabber.org/protocol/ibb'
+ plugin_attrib = 'ibb_open'
+ interfaces = set(('block_size', 'sid', 'stanza'))
+
+ def get_block_size(self):
+ return int(self._get_attr('block-size'))
+
+ def set_block_size(self, value):
+ self._set_attr('block-size', str(value))
+
+ def del_block_size(self):
+ self._del_attr('block-size')
+
+
+class Data(ElementBase):
+ name = 'data'
+ namespace = 'http://jabber.org/protocol/ibb'
+ plugin_attrib = 'ibb_data'
+ interfaces = set(('seq', 'sid', 'data'))
+ sub_interfaces = set(['data'])
+
+ def get_seq(self):
+ return int(self._get_attr('seq', '0'))
+
+ def set_seq(self, value):
+ self._set_attr('seq', str(value))
+
+ def get_data(self):
+ b64_data = self.xml.text
+ if VALID_B64.match(b64_data).group() == b64_data:
+ return from_b64(b64_data)
+ else:
+ raise XMPPError('not-acceptable')
+
+ def set_data(self, value):
+ self.xml.text = to_64(value)
+
+ def del_data(self):
+ self.xml.text = ''
+
+
+class Close(ElementBase):
+ name = 'close'
+ namespace = 'http://jabber.org/protocol/ibb'
+ plugin_attrib = 'ibb_close'
+ interfaces = set(['sid'])