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
|
# Copyright (C) 2019 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of nbxmpp.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; If not, see <http://www.gnu.org/licenses/>.
from nbxmpp.namespaces import Namespace
from nbxmpp.protocol import Iq
from nbxmpp.structs import HTTPUploadData
from nbxmpp.errors import HTTPUploadStanzaError
from nbxmpp.errors import MalformedStanzaError
from nbxmpp.task import iq_request_task
from nbxmpp.modules.base import BaseModule
ALLOWED_HEADERS = ['Authorization', 'Cookie', 'Expires']
class HTTPUpload(BaseModule):
def __init__(self, client):
BaseModule.__init__(self, client)
self._client = client
self.handlers = []
@iq_request_task
def request_slot(self, jid, filename, size, content_type):
_task = yield
response = yield _make_request(jid, filename, size, content_type)
if response.isError():
raise HTTPUploadStanzaError(response)
slot = response.getTag('slot', namespace=Namespace.HTTPUPLOAD_0)
if slot is None:
raise MalformedStanzaError('slot node missing', response)
put_uri = slot.getTagAttr('put', 'url')
if put_uri is None:
raise MalformedStanzaError('put uri missing', response)
get_uri = slot.getTagAttr('get', 'url')
if get_uri is None:
raise MalformedStanzaError('get uri missing', response)
headers = {}
for header in slot.getTag('put').getTags('header'):
name = header.getAttr('name')
if name not in ALLOWED_HEADERS:
raise MalformedStanzaError(
'not allowed header found: %s' % name, response)
data = header.getData()
if '\n' in data:
raise MalformedStanzaError(
'newline in header data found', response)
headers[name] = data
yield HTTPUploadData(put_uri=put_uri,
get_uri=get_uri,
headers=headers)
def _make_request(jid, filename, size, content_type):
iq = Iq(typ='get', to=jid)
attr = {'filename': filename,
'size': size,
'content-type': content_type}
iq.setTag(name="request",
namespace=Namespace.HTTPUPLOAD_0,
attrs=attr)
return iq
|
