374 lines
9.8 KiB
Python
374 lines
9.8 KiB
Python
from xml.etree import cElementTree as ET
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import logging
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import traceback
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class JID(object):
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def __init__(self, jid):
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self.jid = jid
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def __getattr__(self, name):
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if name == 'resource':
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return self.jid.split('/', 1)[-1]
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elif name == 'user':
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return self.jid.split('@', 1)[0]
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elif name == 'server':
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return self.jid.split('@', 1)[-1].split('/', 1)[0]
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elif name == 'full':
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return self.jid
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elif name == 'bare':
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return self.jid.split('/', 1)[0]
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def __str__(self):
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return self.jid
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class ElementBase(object):
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name = 'stanza'
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plugin_attrib = 'plugin'
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namespace = 'jabber:client'
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interfaces = set(('type', 'to', 'from', 'id', 'payload'))
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types = set(('get', 'set', 'error', None, 'unavailable', 'normal', 'chat'))
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sub_interfaces = tuple()
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plugin_attrib_map = {}
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plugin_tag_map = {}
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subitem = None
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def __init__(self, xml=None, parent=None):
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self.attrib = self # backwards compatibility hack
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self.parent = parent
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self.xml = xml
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self.plugins = {}
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self.iterables = []
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self.idx = 0
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if not self.setup(xml):
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for child in self.xml.getchildren():
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if child.tag in self.plugin_tag_map:
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self.plugins[self.plugin_tag_map[child.tag].plugin_attrib] = self.plugin_tag_map[child.tag](xml=child, parent=self)
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if self.subitem is not None and child.tag == "{%s}%s" % (self.subitem.namespace, self.subitem.name):
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self.iterables.append(self.subitem(xml=child, parent=self))
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def __iter__(self):
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self.idx = 0
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return self
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def __next__(self):
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self.idx += 1
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if self.idx + 1 > len(self.iterables):
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self.idx = 0
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raise StopIteration
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return self.affiliations[self.idx]
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def __len__(self):
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return len(self.iterables)
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def append(self, item):
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if not isinstance(item, ElementBase):
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raise TypeError
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self.xml.append(item.xml)
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self.iterables.append(item)
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return self
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def pop(self, idx=0):
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aff = self.iterables.pop(idx)
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self.xml.remove(aff.xml)
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return aff
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def get(self, key, defaultvalue=None):
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value = self[key]
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if value is None or value == '':
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return defaultvalue
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return value
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def keys(self):
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out = []
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out += [x for x in self.interfaces]
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out += [x for x in self.plugins]
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if self.iterables:
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out.append('substanzas')
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return tuple(out)
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def find(self, item):
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return self.iterables.find(item)
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def match(self, xml):
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return xml.tag == self.tag
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def find(self, xpath): # for backwards compatiblity, expose elementtree interface
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return self.xml.find(xpath)
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def setup(self, xml=None):
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if self.xml is None:
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self.xml = xml
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if self.xml is None:
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for ename in self.name.split('/'):
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new = ET.Element("{%(namespace)s}%(name)s" % {'name': self.name, 'namespace': self.namespace})
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if self.xml is None:
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self.xml = new
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else:
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self.xml.append(new)
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if self.parent is not None:
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self.parent.xml.append(self.xml)
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return True #had to generate XML
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else:
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return False
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def enable(self, attrib):
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self.initPlugin(attrib)
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return self
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def initPlugin(self, attrib):
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if attrib not in self.plugins:
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self.plugins[attrib] = self.plugin_attrib_map[attrib](parent=self)
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def __getitem__(self, attrib):
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if attrib == 'substanzas':
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return self.iterables
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elif attrib in self.interfaces:
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if hasattr(self, "get%s" % attrib.title()):
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return getattr(self, "get%s" % attrib.title())()
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else:
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if attrib in self.sub_interfaces:
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return self._getSubText(attrib)
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else:
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return self._getAttr(attrib)
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elif attrib in self.plugin_attrib_map:
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if attrib not in self.plugins: self.initPlugin(attrib)
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return self.plugins[attrib]
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else:
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return ''
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def __setitem__(self, attrib, value):
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if attrib in self.interfaces:
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if value is not None:
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if hasattr(self, "set%s" % attrib.title()):
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getattr(self, "set%s" % attrib.title())(value,)
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else:
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if attrib in self.sub_interfaces:
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return self._setSubText(attrib, text=value)
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else:
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self._setAttr(attrib, value)
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else:
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self.__delitem__(attrib)
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elif attrib in self.plugin_attrib_map:
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if attrib not in self.plugins: self.initPlugin(attrib)
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self.initPlugin(attrib)
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self.plugins[attrib][attrib] = value
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return self
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def __delitem__(self, attrib):
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if attrib.lower() in self.interfaces:
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if hasattr(self, "del%s" % attrib.title()):
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getattr(self, "del%s" % attrib.title())()
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else:
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if attrib in self.sub_interfaces:
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return self._delSub(attrib)
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else:
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self._delAttr(attrib)
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elif attrib in self.plugin_attrib_map:
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if attrib in self.plugins:
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del self.plugins[attrib]
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return self
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def __eq__(self, other):
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values = self.getValues()
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for key in other:
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if key not in values or values[key] != other[key]:
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return False
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return True
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def _setAttr(self, name, value):
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if value is None or value == '':
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self.__delitem__(name)
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else:
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self.xml.attrib[name] = value
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def _delAttr(self, name):
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if name in self.xml.attrib:
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del self.xml.attrib[name]
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def _getAttr(self, name):
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return self.xml.attrib.get(name, '')
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def _getSubText(self, name):
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stanza = self.xml.find("{%s}%s" % (self.namespace, name))
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if stanza is None or stanza.text is None:
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return ''
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else:
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return stanza.text
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def _setSubText(self, name, attrib={}, text=None):
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if text is None or text == '':
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return self.__delitem__(name)
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stanza = self.xml.find("{%s}%s" % (self.namespace, name))
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if stanza is None:
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#self.xml.append(ET.Element("{%s}%s" % (self.namespace, name), attrib))
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stanza = ET.Element("{%s}%s" % (self.namespace, name))
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self.xml.append(stanza)
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stanza.text = text
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return stanza
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def _delSub(self, name):
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for child in self.xml.getchildren():
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if child.tag == "{%s}%s" % (self.namespace, name):
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self.xml.remove(child)
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def getValues(self):
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out = {}
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for interface in self.interfaces:
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out[interface] = self[interface]
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for pluginkey in self.plugins:
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out[pluginkey] = self.plugins[pluginkey].getValues()
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if self.iterables:
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iterables = [x.getValues() for x in self.iterables]
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out['substanzas'] = iterables
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return out
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def setValues(self, attrib):
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for interface in attrib:
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if interface == 'substanzas':
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for subdict in attrib['substanzas']:
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sub = self.subitem(parent=self)
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sub.setValues(subdict)
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self.iterables.append(sub)
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elif interface in self.interfaces:
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self[interface] = attrib[interface]
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elif interface in self.plugin_attrib_map and interface not in self.plugins:
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self.initPlugin(interface)
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if interface in self.plugins:
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self.plugins[interface].setValues(attrib[interface])
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return self
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def appendxml(self, xml):
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self.xml.append(xml)
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return self
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def __del__(self):
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if self.parent is not None:
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self.parent.xml.remove(self.xml)
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class StanzaBase(ElementBase):
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name = 'stanza'
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namespace = 'jabber:client'
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interfaces = set(('type', 'to', 'from', 'id', 'payload'))
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types = set(('get', 'set', 'error', None, 'unavailable', 'normal', 'chat'))
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sub_interfaces = tuple()
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def __init__(self, stream=None, xml=None, stype=None, sto=None, sfrom=None, sid=None):
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self.stream = stream
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ElementBase.__init__(self, xml)
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if stype is not None:
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self['type'] = stype
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if sto is not None:
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self['to'] = sto
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if sfrom is not None:
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self['from'] = sfrom
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if stream is not None:
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self.namespace = stream.default_ns
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self.tag = "{%s}%s" % (self.namespace, self.name)
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def setType(self, value):
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if value in self.types:
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self.xml.attrib['type'] = value
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return self
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def getPayload(self):
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return self.xml.getchildren()
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def setPayload(self, value):
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self.xml.append(value)
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def delPayload(self):
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self.clear()
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def clear(self):
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for child in self.xml.getchildren():
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self.xml.remove(child)
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#for plugin in list(self.plugins.keys()):
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# del self.plugins[plugin]
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def reply(self):
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self['from'], self['to'] = self['to'], self['from']
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self.clear()
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return self
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def error(self):
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self['type'] = 'error'
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def getTo(self):
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return JID(self._getAttr('to'))
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def setTo(self, value):
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return self._setAttr('to', str(value))
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def getFrom(self):
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return JID(self._getAttr('from'))
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def setFrom(self, value):
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return self._setAttr('from', str(value))
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def unhandled(self):
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pass
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def exception(self, e):
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logging.error(traceback.format_tb(e))
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def send(self):
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self.stream.sendRaw(str(self))
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def __str__(self, xml=None, xmlns='', stringbuffer=''):
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if xml is None:
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xml = self.xml
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newoutput = [stringbuffer]
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#TODO respect ET mapped namespaces
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itag = xml.tag.split('}', 1)[-1]
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if '}' in xml.tag:
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ixmlns = xml.tag.split('}', 1)[0][1:]
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else:
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ixmlns = ''
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nsbuffer = ''
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if xmlns != ixmlns and ixmlns != '' and ixmlns != self.namespace:
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if self.stream is not None and ixmlns in self.stream.namespace_map:
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if self.stream.namespace_map[ixmlns] != '':
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itag = "%s:%s" % (self.stream.namespace_map[ixmlns], itag)
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else:
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nsbuffer = """ xmlns="%s\"""" % ixmlns
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if ixmlns not in ('', xmlns, self.namespace):
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nsbuffer = """ xmlns="%s\"""" % ixmlns
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newoutput.append("<%s" % itag)
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newoutput.append(nsbuffer)
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for attrib in xml.attrib:
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if '{' not in attrib:
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newoutput.append(""" %s="%s\"""" % (attrib, self.xmlesc(xml.attrib[attrib])))
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if len(xml) or xml.text or xml.tail:
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newoutput.append(">")
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if xml.text:
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newoutput.append(self.xmlesc(xml.text))
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if len(xml):
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for child in xml.getchildren():
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newoutput.append(self.__str__(child, ixmlns))
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newoutput.append("</%s>" % (itag, ))
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if xml.tail:
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newoutput.append(self.xmlesc(xml.tail))
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elif xml.text:
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newoutput.append(">%s</%s>" % (self.xmlesc(xml.text), itag))
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else:
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newoutput.append(" />")
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return ''.join(newoutput)
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def xmlesc(self, text):
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text = list(text)
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cc = 0
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matches = ('&', '<', '"', '>', "'")
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for c in text:
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if c in matches:
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if c == '&':
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text[cc] = '&'
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elif c == '<':
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text[cc] = '<'
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elif c == '>':
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text[cc] = '>'
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elif c == "'":
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text[cc] = '''
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else:
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text[cc] = '"'
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cc += 1
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return ''.join(text)
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