1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
"""
SleekXMPP: The Sleek XMPP Library
Implementation of HTTP over XMPP transport
http://xmpp.org/extensions/xep-0332.html
Copyright (C) 2015 Riptide IO, sangeeth@riptideio.com
This file is part of SleekXMPP.
See the file LICENSE for copying permission.
"""
import logging
from sleekxmpp import Iq
from sleekxmpp.xmlstream import register_stanza_plugin
from sleekxmpp.xmlstream.handler import Callback
from sleekxmpp.xmlstream.matcher import StanzaPath
from sleekxmpp.plugins.base import BasePlugin
from sleekxmpp.plugins.xep_0332.stanza import (
HTTPRequest, HTTPResponse, HTTPData
)
from sleekxmpp.plugins.xep_0131.stanza import Headers
log = logging.getLogger(__name__)
class XEP_0332(BasePlugin):
"""
XEP-0332: HTTP over XMPP transport
"""
name = 'xep_0332'
description = 'XEP-0332: HTTP over XMPP transport'
#: xep_0047 not included.
#: xep_0001, 0137 and 0166 are missing
dependencies = set(['xep_0030', 'xep_0131'])
#: TODO: Do we really need to mention the supported_headers?!
default_config = {
'supported_headers': set([
'Content-Length', 'Transfer-Encoding', 'DateTime',
'Accept-Charset', 'Location', 'Content-ID', 'Description',
'Content-Language', 'Content-Transfer-Encoding', 'Timestamp',
'Expires', 'User-Agent', 'Host', 'Proxy-Authorization', 'Date',
'WWW-Authenticate', 'Accept-Encoding', 'Server', 'Error-Info',
'Identifier', 'Content-Location', 'Content-Encoding', 'Distribute',
'Accept', 'Proxy-Authenticate', 'ETag', 'Expect', 'Content-Type'
])
}
def plugin_init(self):
self.xmpp.register_handler(
Callback(
'HTTP Request',
StanzaPath('iq/http-req'),
self._handle_request
)
)
self.xmpp.register_handler(
Callback(
'HTTP Response',
StanzaPath('iq/http-resp'),
self._handle_response
)
)
register_stanza_plugin(Iq, HTTPRequest, iterable=True)
register_stanza_plugin(Iq, HTTPResponse, iterable=True)
register_stanza_plugin(HTTPRequest, Headers, iterable=True)
register_stanza_plugin(HTTPRequest, HTTPData, iterable=True)
register_stanza_plugin(HTTPResponse, Headers, iterable=True)
register_stanza_plugin(HTTPResponse, HTTPData, iterable=True)
# TODO: Should we register any api's here? self.api.register()
def plugin_end(self):
self.xmpp.remove_handler('HTTP Request')
self.xmpp.remove_handler('HTTP Response')
self.xmpp['xep_0030'].del_feature('urn:xmpp:http')
for header in self.supported_headers:
self.xmpp['xep_0030'].del_feature(
feature='%s#%s' % (Headers.namespace, header)
)
def session_bind(self, jid):
self.xmpp['xep_0030'].add_feature('urn:xmpp:http')
for header in self.supported_headers:
self.xmpp['xep_0030'].add_feature(
'%s#%s' % (Headers.namespace, header)
)
# TODO: Do we need to add the supported headers to xep_0131?
# self.xmpp['xep_0131'].supported_headers.add(header)
def _handle_request(self, iq):
self.xmpp.event('http_request', iq)
def _handle_response(self, iq):
self.xmpp.event('http_response', iq)
def send_request(self, to=None, method=None, resource=None, headers=None,
data=None, **kwargs):
iq = self.xmpp.Iq()
iq['from'] = self.xmpp.boundjid
iq['to'] = to
iq['type'] = 'set'
iq['http-req']['headers'] = headers
iq['http-req']['method'] = method
iq['http-req']['resource'] = resource
iq['http-req']['version'] = '1.1' # TODO: set this implicitly
if data is not None:
iq['http-req']['http-data'] = data
return iq.send(
timeout=kwargs.get('timeout', None),
block=kwargs.get('block', True),
callback=kwargs.get('callback', None),
timeout_callback=kwargs.get('timeout_callback', None)
)
def send_response(self, to=None, code=None, message=None, headers=None,
data=None, **kwargs):
iq = self.xmpp.Iq()
iq['from'] = self.xmpp.boundjid
iq['to'] = to
iq['type'] = 'result'
iq['http-resp']['headers'] = headers
iq['http-resp']['code'] = code
iq['http-resp']['message'] = message
iq['http-resp']['version'] = '1.1' # TODO: set this implicitly
if data is not None:
iq['http-resp']['http-data'] = data
return iq.send(
timeout=kwargs.get('timeout', None),
block=kwargs.get('block', True),
callback=kwargs.get('callback', None),
timeout_callback=kwargs.get('timeout_callback', None)
)
def send_error(self, to=None, ecode=500, etype='wait',
econd='internal-server-error', **kwargs):
iq = self.xmpp.Iq()
iq['type'] = 'error'
iq['from'] = self.xmpp.boundjid
iq['to'] = to
iq['error']['code'] = ecode
iq['error']['type'] = etype
iq['error']['condition'] = econd
return iq.send(
timeout=kwargs.get('timeout', None),
block=kwargs.get('block', True),
callback=kwargs.get('callback', None),
timeout_callback=kwargs.get('timeout_callback', None)
)
|
