summary refs log tree commit diff
path: root/synapse/rest/client/v2_alpha/devices.py
blob: 8b9674db064a332ee1f612929cd2506e58798b54 (plain) (blame)
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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
# Copyright 2015, 2016 OpenMarket Ltd
# Copyright 2020 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import logging

from synapse.api import errors
from synapse.http.servlet import (
    RestServlet,
    assert_params_in_dict,
    parse_json_object_from_request,
)
from synapse.http.site import SynapseRequest

from ._base import client_patterns, interactive_auth_handler

logger = logging.getLogger(__name__)


class DevicesRestServlet(RestServlet):
    PATTERNS = client_patterns("/devices$")

    def __init__(self, hs):
        """
        Args:
            hs (synapse.server.HomeServer): server
        """
        super().__init__()
        self.hs = hs
        self.auth = hs.get_auth()
        self.device_handler = hs.get_device_handler()

    async def on_GET(self, request):
        requester = await self.auth.get_user_by_req(request, allow_guest=True)
        devices = await self.device_handler.get_devices_by_user(
            requester.user.to_string()
        )
        return 200, {"devices": devices}


class DeleteDevicesRestServlet(RestServlet):
    """
    API for bulk deletion of devices. Accepts a JSON object with a devices
    key which lists the device_ids to delete. Requires user interactive auth.
    """

    PATTERNS = client_patterns("/delete_devices")

    def __init__(self, hs):
        super().__init__()
        self.hs = hs
        self.auth = hs.get_auth()
        self.device_handler = hs.get_device_handler()
        self.auth_handler = hs.get_auth_handler()

    @interactive_auth_handler
    async def on_POST(self, request):
        requester = await self.auth.get_user_by_req(request)

        try:
            body = parse_json_object_from_request(request)
        except errors.SynapseError as e:
            if e.errcode == errors.Codes.NOT_JSON:
                # DELETE
                # deal with older clients which didn't pass a JSON dict
                # the same as those that pass an empty dict
                body = {}
            else:
                raise e

        assert_params_in_dict(body, ["devices"])

        await self.auth_handler.validate_user_via_ui_auth(
            requester,
            request,
            body,
            "remove device(s) from your account",
            # Users might call this multiple times in a row while cleaning up
            # devices, allow a single UI auth session to be re-used.
            can_skip_ui_auth=True,
        )

        await self.device_handler.delete_devices(
            requester.user.to_string(), body["devices"]
        )
        return 200, {}


class DeviceRestServlet(RestServlet):
    PATTERNS = client_patterns("/devices/(?P<device_id>[^/]*)$")

    def __init__(self, hs):
        """
        Args:
            hs (synapse.server.HomeServer): server
        """
        super().__init__()
        self.hs = hs
        self.auth = hs.get_auth()
        self.device_handler = hs.get_device_handler()
        self.auth_handler = hs.get_auth_handler()

    async def on_GET(self, request, device_id):
        requester = await self.auth.get_user_by_req(request, allow_guest=True)
        device = await self.device_handler.get_device(
            requester.user.to_string(), device_id
        )
        return 200, device

    @interactive_auth_handler
    async def on_DELETE(self, request, device_id):
        requester = await self.auth.get_user_by_req(request)

        try:
            body = parse_json_object_from_request(request)

        except errors.SynapseError as e:
            if e.errcode == errors.Codes.NOT_JSON:
                # deal with older clients which didn't pass a JSON dict
                # the same as those that pass an empty dict
                body = {}
            else:
                raise

        await self.auth_handler.validate_user_via_ui_auth(
            requester,
            request,
            body,
            "remove a device from your account",
            # Users might call this multiple times in a row while cleaning up
            # devices, allow a single UI auth session to be re-used.
            can_skip_ui_auth=True,
        )

        await self.device_handler.delete_device(requester.user.to_string(), device_id)
        return 200, {}

    async def on_PUT(self, request, device_id):
        requester = await self.auth.get_user_by_req(request, allow_guest=True)

        body = parse_json_object_from_request(request)
        await self.device_handler.update_device(
            requester.user.to_string(), device_id, body
        )
        return 200, {}


class DehydratedDeviceServlet(RestServlet):
    """Retrieve or store a dehydrated device.

    GET /org.matrix.msc2697.v2/dehydrated_device

    HTTP/1.1 200 OK
    Content-Type: application/json

    {
      "device_id": "dehydrated_device_id",
      "device_data": {
        "algorithm": "org.matrix.msc2697.v1.dehydration.v1.olm",
        "account": "dehydrated_device"
      }
    }

    PUT /org.matrix.msc2697/dehydrated_device
    Content-Type: application/json

    {
      "device_data": {
        "algorithm": "org.matrix.msc2697.v1.dehydration.v1.olm",
        "account": "dehydrated_device"
      }
    }

    HTTP/1.1 200 OK
    Content-Type: application/json

    {
      "device_id": "dehydrated_device_id"
    }

    """

    PATTERNS = client_patterns("/org.matrix.msc2697.v2/dehydrated_device", releases=())

    def __init__(self, hs):
        super().__init__()
        self.hs = hs
        self.auth = hs.get_auth()
        self.device_handler = hs.get_device_handler()

    async def on_GET(self, request: SynapseRequest):
        requester = await self.auth.get_user_by_req(request)
        dehydrated_device = await self.device_handler.get_dehydrated_device(
            requester.user.to_string()
        )
        if dehydrated_device is not None:
            (device_id, device_data) = dehydrated_device
            result = {"device_id": device_id, "device_data": device_data}
            return (200, result)
        else:
            raise errors.NotFoundError("No dehydrated device available")

    async def on_PUT(self, request: SynapseRequest):
        submission = parse_json_object_from_request(request)
        requester = await self.auth.get_user_by_req(request)

        if "device_data" not in submission:
            raise errors.SynapseError(
                400,
                "device_data missing",
                errcode=errors.Codes.MISSING_PARAM,
            )
        elif not isinstance(submission["device_data"], dict):
            raise errors.SynapseError(
                400,
                "device_data must be an object",
                errcode=errors.Codes.INVALID_PARAM,
            )

        device_id = await self.device_handler.store_dehydrated_device(
            requester.user.to_string(),
            submission["device_data"],
            submission.get("initial_device_display_name", None),
        )
        return 200, {"device_id": device_id}


class ClaimDehydratedDeviceServlet(RestServlet):
    """Claim a dehydrated device.

    POST /org.matrix.msc2697.v2/dehydrated_device/claim
    Content-Type: application/json

    {
      "device_id": "dehydrated_device_id"
    }

    HTTP/1.1 200 OK
    Content-Type: application/json

    {
      "success": true,
    }

    """

    PATTERNS = client_patterns(
        "/org.matrix.msc2697.v2/dehydrated_device/claim", releases=()
    )

    def __init__(self, hs):
        super().__init__()
        self.hs = hs
        self.auth = hs.get_auth()
        self.device_handler = hs.get_device_handler()

    async def on_POST(self, request: SynapseRequest):
        requester = await self.auth.get_user_by_req(request)

        submission = parse_json_object_from_request(request)

        if "device_id" not in submission:
            raise errors.SynapseError(
                400,
                "device_id missing",
                errcode=errors.Codes.MISSING_PARAM,
            )
        elif not isinstance(submission["device_id"], str):
            raise errors.SynapseError(
                400,
                "device_id must be a string",
                errcode=errors.Codes.INVALID_PARAM,
            )

        result = await self.device_handler.rehydrate_device(
            requester.user.to_string(),
            self.auth.get_access_token_from_request(request),
            submission["device_id"],
        )

        return (200, result)


def register_servlets(hs, http_server):
    DeleteDevicesRestServlet(hs).register(http_server)
    DevicesRestServlet(hs).register(http_server)
    DeviceRestServlet(hs).register(http_server)
    DehydratedDeviceServlet(hs).register(http_server)
    ClaimDehydratedDeviceServlet(hs).register(http_server)