143 lines
5.2 KiB
Python
143 lines
5.2 KiB
Python
"""
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SleekXMPP: The Sleek XMPP Library
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Implementation of HTTP over XMPP transport
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http://xmpp.org/extensions/xep-0332.html
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Copyright (C) 2015 Riptide IO, sangeeth@riptideio.com
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This file is part of SleekXMPP.
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See the file LICENSE for copying permission.
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"""
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import logging
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from sleekxmpp import Iq
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from sleekxmpp.xmlstream import register_stanza_plugin
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from sleekxmpp.xmlstream.handler import Callback
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from sleekxmpp.xmlstream.matcher import StanzaPath
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from sleekxmpp.plugins.base import BasePlugin
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from sleekxmpp.plugins.xep_0332.stanza import Request, Response, Data
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from sleekxmpp.plugins.xep_0131.stanza import Headers
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log = logging.getLogger(__name__)
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class XEP_0332(BasePlugin):
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"""
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XEP-0332: HTTP over XMPP transport
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"""
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name = 'xep_0332'
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description = 'XEP-0332: HTTP over XMPP transport'
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#: xep_0047 not included.
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#: xep_0001, 0137 and 0166 are missing
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dependencies = set(['xep_0030', 'xep_0131'])
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#: TODO: Do we really need to mention the supported_headers?!
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default_config = {
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'supported_headers': set([
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'Content-Length', 'Transfer-Encoding', 'DateTime',
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'Accept-Charset', 'Location', 'Content-ID', 'Description',
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'Content-Language', 'Content-Transfer-Encoding', 'Timestamp',
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'Expires', 'User-Agent', 'Host', 'Proxy-Authorization', 'Date',
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'WWW-Authenticate', 'Accept-Encoding', 'Server', 'Error-Info',
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'Identifier', 'Content-Location', 'Content-Encoding', 'Distribute',
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'Accept', 'Proxy-Authenticate', 'ETag', 'Expect', 'Content-Type'
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])
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}
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def plugin_init(self):
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self.xmpp.register_handler(Callback(
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'HTTP Request', StanzaPath('iq/req'), self._handle_request
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))
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self.xmpp.register_handler(Callback(
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'HTTP Response', StanzaPath('iq/resp'), self._handle_response
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))
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register_stanza_plugin(Iq, Request, iterable=True)
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register_stanza_plugin(Iq, Response, iterable=True)
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register_stanza_plugin(Request, Headers, iterable=True)
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register_stanza_plugin(Request, Data, iterable=True)
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register_stanza_plugin(Response, Headers, iterable=True)
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register_stanza_plugin(Response, Data, iterable=True)
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# TODO: Should we register any api's here? self.api.register()
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def plugin_end(self):
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self.xmpp.remove_handler('HTTP Request')
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self.xmpp.remove_handler('HTTP Response')
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self.xmpp['xep_0030'].del_feature('urn:xmpp:http')
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for header in self.supported_headers:
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self.xmpp['xep_0030'].del_feature(
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feature='%s#%s' % (Headers.namespace, header)
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)
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def session_bind(self, jid):
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self.xmpp['xep_0030'].add_feature('urn:xmpp:http')
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for header in self.supported_headers:
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self.xmpp['xep_0030'].add_feature(
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'%s#%s' % (Headers.namespace, header)
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)
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# TODO: Do we need to add the supported headers to xep_0131?
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# self.xmpp['xep_0131'].supported_headers.add(header)
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def _handle_request(self, iq):
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self.xmpp.event('http_request', iq)
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def _handle_response(self, iq):
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self.xmpp.event('http_response', iq)
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def send_request(self, to=None, method=None, resource=None, headers=None,
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data=None, **kwargs):
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iq = self.xmpp.Iq()
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iq['from'] = self.xmpp.boundjid
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iq['to'] = to
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iq['type'] = 'set'
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iq['req']['headers'] = headers
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iq['req']['method'] = method
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iq['req']['resource'] = resource
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iq['req']['version'] = '1.1' # TODO: set this implicitly
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if data is not None:
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iq['req']['data'] = data
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return iq.send(
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timeout=kwargs.get('timeout', None),
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block=kwargs.get('block', True),
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callback=kwargs.get('callback', None),
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timeout_callback=kwargs.get('timeout_callback', None)
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)
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def send_response(self, to=None, code=None, message=None, headers=None,
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data=None, **kwargs):
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iq = self.xmpp.Iq()
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iq['from'] = self.xmpp.boundjid
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iq['to'] = to
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iq['type'] = 'result'
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iq['resp']['headers'] = headers
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iq['resp']['code'] = code
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iq['resp']['message'] = message
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iq['resp']['version'] = '1.1' # TODO: set this implicitly
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if data is not None:
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iq['resp']['data'] = data
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return iq.send(
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timeout=kwargs.get('timeout', None),
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block=kwargs.get('block', True),
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callback=kwargs.get('callback', None),
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timeout_callback=kwargs.get('timeout_callback', None)
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)
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def send_error(self, to=None, ecode=500, etype='wait',
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econd='internal-server-error', **kwargs):
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iq = self.xmpp.Iq()
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iq['type'] = 'error'
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iq['from'] = self.xmpp.boundjid
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iq['to'] = to
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iq['error']['code'] = ecode
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iq['error']['type'] = etype
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iq['error']['condition'] = econd
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return iq.send(
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timeout=kwargs.get('timeout', None),
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block=kwargs.get('block', True),
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callback=kwargs.get('callback', None),
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timeout_callback=kwargs.get('timeout_callback', None)
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)
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