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
|
@page "/Tools/Moderation/UserTrace"
@using ArcaneLibs.Extensions
@using LibMatrix.RoomTypes
@using System.Collections.ObjectModel
@using LibMatrix
@using LibMatrix.EventTypes.Spec.State.RoomInfo
<h3>User Trace</h3>
<hr/>
<p>Users: </p>
<InputTextArea @bind-Value="@UserIdString"></InputTextArea>
<br/>
<InputText @bind-Value="@ImportFromRoomId"></InputText>
<LinkButton OnClick="@DoImportFromRoomId">Import from room (ID)</LinkButton>
<details>
<summary>Rooms to be searched (@rooms.Count)</summary>
@foreach (var room in rooms) {
<span>@room.RoomId</span>
<br/>
}
</details>
<br/>
<LinkButton OnClick="Execute">Execute</LinkButton>
<br/>
<details>
<summary>Results</summary>
@foreach (var (userId, events) in matches.OrderBy(x=>x.Key)) {
<h4>@userId</h4>
<table>
@foreach (var match in events.OrderBy(x=>x.RoomName)) {
<tr>
<td>@match.RoomName (<span>@match.Room.RoomId</span>)</td>
<td>
<details>
<summary>@SummarizeMembership(match.Event)</summary>
<pre>@match.Event.RawContent.ToJson(indent: true)</pre>
</details>
</td>
</tr>
}
</table>
}
</details>
<br/>
@foreach (var line in log.Reverse()) {
<pre>@line</pre>
}
@code {
private ObservableCollection<string> log { get; set; } = new();
// List<RoomInfo> rooms { get; set; } = new();
List<GenericRoom> rooms { get; set; } = [];
Dictionary<string, List<Match>> matches = new();
private string UserIdString {
get => string.Join("\n", UserIDs);
set => UserIDs = value.Split("\n").Select(x => x.Trim()).Where(x => !string.IsNullOrWhiteSpace(x)).ToList();
}
private List<string> UserIDs { get; set; } = new();
protected override async Task OnInitializedAsync() {
log.CollectionChanged += (sender, args) => StateHasChanged();
var hs = await RmuStorage.GetCurrentSessionOrNavigate();
if (hs is null) return;
var sessions = await RmuStorage.GetAllTokens();
var tasks = sessions.Select(async session => {
try {
var _hs = await RmuStorage.GetSession(session);
if (_hs is not null) {
try {
var _rooms = await _hs.GetJoinedRooms();
if (!_rooms.Any()) return;
// Check if homeserver supports `?format=event`:
await _rooms.First().GetStateEventAsync(RoomMemberEventContent.EventId, session.UserId);
rooms.AddRange(_rooms);
log.Add($"Got {_rooms.Count} rooms for {_hs.UserId}, total {rooms.Count}");
}
catch (Exception e) {
if (e is LibMatrixException { ErrorCode: LibMatrixException.ErrorCodes.M_UNSUPPORTED })
log.Add($"Homeserver {_hs.UserId} does not support `?format=event`! Skipping...");
else log.Add($"Failed to fetch rooms for {_hs.UserId}! {e}");
}
}
}
catch (Exception e) {
log.Add($"Failed to fetch rooms for {session.UserId}! {e}");
}
});
await Task.WhenAll(tasks);
//get distinct rooms evenly distributed per session, accounting for count per session
rooms = rooms.OrderBy(x => rooms.Count(y => y.Homeserver == x.Homeserver)).DistinctBy(x => x.RoomId).ToList();
log.Add($"Got {rooms.Count} rooms");
StateHasChanged();
Console.WriteLine("Rerendered!");
await base.OnInitializedAsync();
}
private async Task<string> Execute() {
foreach (var userId in UserIDs) {
matches.Add(userId, new List<Match>());
log.Add($"Searching for {userId}...");
await foreach (var match in GetMatches(userId)) {
matches[userId].Add(match);
}
}
log.Add("Done!");
StateHasChanged();
return "";
}
public string? ImportFromRoomId { get; set; }
private async Task DoImportFromRoomId() {
try {
if (ImportFromRoomId is null) return;
var room = rooms.FirstOrDefault(x => x.RoomId == ImportFromRoomId);
UserIdString = string.Join("\n", (await room.GetMembersListAsync()).Select(x => x.StateKey));
}
catch (Exception e) {
Console.WriteLine(e);
log.Add("Could not fetch members list!\n" + e.ToString());
}
StateHasChanged();
}
private class Match {
public GenericRoom Room;
public StateEventResponse Event;
public string RoomName { get; set; }
}
private async IAsyncEnumerable<Match> GetMatches(string userId) {
var results = rooms.Select(async room => {
try {
var state = await room.GetStateEventOrNullAsync(RoomMemberEventContent.EventId, userId);
if (state is not null) {
log.Add($"Found {userId} in {room.RoomId} with membership {state.RawContent.ToJson(indent: false)}");
return new Match {
Room = room,
Event = state,
RoomName = await room.GetNameOrFallbackAsync()
};
}
}
catch (Exception e) {
log.Add($"Failed to fetch state for {userId} in {room.RoomId}! {e}");
}
return null;
}).ToAsyncEnumerable();
await foreach (var result in results) {
if (result is not null) {
yield return result;
}
}
}
public string SummarizeMembership(StateEventResponse state) {
var membership = state.ContentAs<RoomMemberEventContent>();
var time = DateTimeOffset.FromUnixTimeMilliseconds(state.OriginServerTs!.Value);
return membership switch {
{ Membership: "invite", Reason: null } => $"Invited by {state.Sender} at {time}",
{ Membership: "invite", Reason: not null } => $"Invited by {state.Sender} at {time} for {membership.Reason}",
{ Membership: "join", Reason: null } => $"Joined at {time}",
{ Membership: "join", Reason: not null } => $"Joined at {time} for {membership.Reason}",
{ Membership: "leave", Reason: null } => state.Sender == state.StateKey ? $"Left at {time}" : $"Kicked by {state.Sender} at {time}",
{ Membership: "leave", Reason: not null } => state.Sender == state.StateKey ? $"Left at {time} with reason {membership.Reason}" : $"Kicked by {state.Sender} at {time} for {membership.Reason}",
{ Membership: "ban", Reason: null } => $"Banned by {state.Sender} at {time}",
{ Membership: "ban", Reason: not null } => $"Banned by {state.Sender} at {time} for {membership.Reason}",
};
}
private async Task ExportJson() {
var json = matches.ToJson();
}
}
|
