summary refs log tree commit diff
path: root/synapse/rest/admin/statistics.py
blob: 75d8a37ccfd8586a6a68952fbdc0518046547ce5 (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
# Copyright 2020 Dirk Klimpel
#
# 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 http import HTTPStatus
from typing import TYPE_CHECKING, Tuple

from synapse.api.constants import Direction
from synapse.api.errors import Codes, SynapseError
from synapse.http.servlet import RestServlet, parse_enum, parse_integer, parse_string
from synapse.http.site import SynapseRequest
from synapse.rest.admin._base import admin_patterns, assert_requester_is_admin
from synapse.storage.databases.main.stats import UserSortOrder
from synapse.types import JsonDict

if TYPE_CHECKING:
    from synapse.server import HomeServer

logger = logging.getLogger(__name__)


class UserMediaStatisticsRestServlet(RestServlet):
    """
    Get statistics about uploaded media by users.
    """

    PATTERNS = admin_patterns("/statistics/users/media$")

    def __init__(self, hs: "HomeServer"):
        self.auth = hs.get_auth()
        self.store = hs.get_datastores().main

    async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
        await assert_requester_is_admin(self.auth, request)

        order_by = parse_string(
            request,
            "order_by",
            default=UserSortOrder.USER_ID.value,
            allowed_values=(
                UserSortOrder.MEDIA_LENGTH.value,
                UserSortOrder.MEDIA_COUNT.value,
                UserSortOrder.USER_ID.value,
                UserSortOrder.DISPLAYNAME.value,
            ),
        )

        start = parse_integer(request, "from", default=0)
        if start < 0:
            raise SynapseError(
                HTTPStatus.BAD_REQUEST,
                "Query parameter from must be a string representing a positive integer.",
                errcode=Codes.INVALID_PARAM,
            )

        limit = parse_integer(request, "limit", default=100)
        if limit < 0:
            raise SynapseError(
                HTTPStatus.BAD_REQUEST,
                "Query parameter limit must be a string representing a positive integer.",
                errcode=Codes.INVALID_PARAM,
            )

        from_ts = parse_integer(request, "from_ts", default=0)
        if from_ts < 0:
            raise SynapseError(
                HTTPStatus.BAD_REQUEST,
                "Query parameter from_ts must be a string representing a positive integer.",
                errcode=Codes.INVALID_PARAM,
            )

        until_ts = parse_integer(request, "until_ts")
        if until_ts is not None:
            if until_ts < 0:
                raise SynapseError(
                    HTTPStatus.BAD_REQUEST,
                    "Query parameter until_ts must be a string representing a positive integer.",
                    errcode=Codes.INVALID_PARAM,
                )
            if until_ts <= from_ts:
                raise SynapseError(
                    HTTPStatus.BAD_REQUEST,
                    "Query parameter until_ts must be greater than from_ts.",
                    errcode=Codes.INVALID_PARAM,
                )

        search_term = parse_string(request, "search_term")
        if search_term == "":
            raise SynapseError(
                HTTPStatus.BAD_REQUEST,
                "Query parameter search_term cannot be an empty string.",
                errcode=Codes.INVALID_PARAM,
            )

        direction = parse_enum(request, "dir", Direction, default=Direction.FORWARDS)

        users_media, total = await self.store.get_users_media_usage_paginate(
            start, limit, from_ts, until_ts, order_by, direction, search_term
        )
        ret = {
            "users": [
                {
                    "user_id": r[0],
                    "displayname": r[1],
                    "media_count": r[2],
                    "media_length": r[3],
                }
                for r in users_media
            ],
            "total": total,
        }
        if (start + limit) < total:
            ret["next_token"] = start + len(users_media)

        return HTTPStatus.OK, ret


class LargestRoomsStatistics(RestServlet):
    """Get the largest rooms by database size.

    Only works when using PostgreSQL.
    """

    PATTERNS = admin_patterns("/statistics/database/rooms$")

    def __init__(self, hs: "HomeServer"):
        self.auth = hs.get_auth()
        self.stats_controller = hs.get_storage_controllers().stats

    async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
        await assert_requester_is_admin(self.auth, request)

        room_sizes = await self.stats_controller.get_room_db_size_estimate()

        return HTTPStatus.OK, {
            "rooms": [
                {"room_id": room_id, "estimated_size": size}
                for room_id, size in room_sizes
            ]
        }