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
|
# -*- coding: utf-8 -*-
# _web.py
# Copyright (C) 2016 LEAP Encryption Access Project
#
# 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/>.
"""
HTTP REST Dispatcher Service.
"""
import json
import os
import pkg_resources
from twisted.internet import reactor
from twisted.application import service
from twisted.web.resource import Resource
from twisted.web.server import Site, NOT_DONE_YET
from twisted.web.static import File
from leap.bitmask.core.dispatcher import CommandDispatcher
class HTTPDispatcherService(service.Service):
"""
A Dispatcher for BitmaskCore exposing a REST API.
"""
def __init__(self, core, port=7070, debug=False):
self._core = core
self.port = port
self.debug = debug
def startService(self):
webdir = os.path.abspath(
pkg_resources.resource_filename('leap.bitmask_www', 'public'))
root = File(webdir)
api = Api(CommandDispatcher(self._core))
root.putChild(u'API', api)
site = Site(root)
self.site = site
# TODO use endpoints instead
self.listener = reactor.listenTCP(self.port, site,
interface='127.0.0.1')
def stopService(self):
self.site.stopFactory()
self.listener.stopListening()
class Api(Resource):
isLeaf = True
def __init__(self, dispatcher):
Resource.__init__(self)
self.dispatcher = dispatcher
def render_POST(self, request):
command = request.uri.split('/')[2:]
params = request.content.getvalue()
if params:
# json.loads returns unicode strings and the rest of the code
# expects strings. This 'str(param)' conversion can be removed
# if we move to python3
for param in json.loads(params):
command.append(str(param))
d = self.dispatcher.dispatch(command)
d.addCallback(self._write_response, request)
return NOT_DONE_YET
def _write_response(self, response, request):
request.setHeader('Content-Type', 'application/json')
request.write(response)
request.finish()
|
