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
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
use std::collections::BTreeMap;
use js_int::UInt;
use ruma_macros::EventContent;
use serde::{Deserialize, Serialize};
use super::message;
#[cfg(feature = "unstable-msc2677")]
use crate::events::relation::Annotation;
use crate::{
events::relation::{InReplyTo, Reference, Thread},
OwnedDeviceId, OwnedEventId,
};
mod relation_serde;
#[derive(Clone, Debug, Deserialize, Serialize, EventContent)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
#[ruma_event(type = "m.room.encrypted", kind = MessageLike)]
pub struct RoomEncryptedEventContent {
#[serde(flatten)]
pub scheme: EncryptedEventScheme,
#[serde(
flatten,
skip_serializing_if = "Option::is_none",
deserialize_with = "relation_serde::deserialize_relation"
)]
pub relates_to: Option<Relation>,
}
impl RoomEncryptedEventContent {
pub fn new(scheme: EncryptedEventScheme, relates_to: Option<Relation>) -> Self {
Self { scheme, relates_to }
}
}
impl From<EncryptedEventScheme> for RoomEncryptedEventContent {
fn from(scheme: EncryptedEventScheme) -> Self {
Self { scheme, relates_to: None }
}
}
#[derive(Clone, Debug, Deserialize, Serialize, EventContent)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
#[ruma_event(type = "m.room.encrypted", kind = ToDevice)]
pub struct ToDeviceRoomEncryptedEventContent {
#[serde(flatten)]
pub scheme: EncryptedEventScheme,
}
impl ToDeviceRoomEncryptedEventContent {
pub fn new(scheme: EncryptedEventScheme) -> Self {
Self { scheme }
}
}
impl From<EncryptedEventScheme> for ToDeviceRoomEncryptedEventContent {
fn from(scheme: EncryptedEventScheme) -> Self {
Self { scheme }
}
}
#[derive(Clone, Debug, Deserialize, Serialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
#[serde(tag = "algorithm")]
pub enum EncryptedEventScheme {
#[serde(rename = "m.olm.v1.curve25519-aes-sha2")]
OlmV1Curve25519AesSha2(OlmV1Curve25519AesSha2Content),
#[serde(rename = "m.megolm.v1.aes-sha2")]
MegolmV1AesSha2(MegolmV1AesSha2Content),
}
#[derive(Clone, Debug)]
#[allow(clippy::manual_non_exhaustive)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
pub enum Relation {
Reply {
in_reply_to: InReplyTo,
},
Replacement(Replacement),
Reference(Reference),
#[cfg(feature = "unstable-msc2677")]
Annotation(Annotation),
Thread(Thread),
#[doc(hidden)]
_Custom,
}
impl<C> From<message::Relation<C>> for Relation {
fn from(rel: message::Relation<C>) -> Self {
match rel {
message::Relation::Reply { in_reply_to } => Self::Reply { in_reply_to },
message::Relation::Replacement(re) => {
Self::Replacement(Replacement { event_id: re.event_id })
}
message::Relation::Thread(t) => Self::Thread(Thread {
event_id: t.event_id,
in_reply_to: t.in_reply_to,
is_falling_back: t.is_falling_back,
}),
message::Relation::_Custom => Self::_Custom,
}
}
}
#[derive(Clone, Debug, Deserialize, Serialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
pub struct Replacement {
pub event_id: OwnedEventId,
}
impl Replacement {
pub fn new(event_id: OwnedEventId) -> Self {
Self { event_id }
}
}
#[derive(Clone, Debug, Serialize, Deserialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
pub struct OlmV1Curve25519AesSha2Content {
pub ciphertext: BTreeMap<String, CiphertextInfo>,
pub sender_key: String,
}
impl OlmV1Curve25519AesSha2Content {
pub fn new(ciphertext: BTreeMap<String, CiphertextInfo>, sender_key: String) -> Self {
Self { ciphertext, sender_key }
}
}
#[derive(Clone, Debug, Deserialize, Serialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
pub struct CiphertextInfo {
pub body: String,
#[serde(rename = "type")]
pub message_type: UInt,
}
impl CiphertextInfo {
pub fn new(body: String, message_type: UInt) -> Self {
Self { body, message_type }
}
}
#[derive(Clone, Debug, Serialize, Deserialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
pub struct MegolmV1AesSha2Content {
pub ciphertext: String,
#[deprecated = "this field still needs to be sent but should not be used when received"]
pub sender_key: String,
#[deprecated = "this field still needs to be sent but should not be used when received"]
pub device_id: OwnedDeviceId,
pub session_id: String,
}
#[derive(Debug)]
#[allow(clippy::exhaustive_structs)]
pub struct MegolmV1AesSha2ContentInit {
pub ciphertext: String,
pub sender_key: String,
pub device_id: OwnedDeviceId,
pub session_id: String,
}
impl From<MegolmV1AesSha2ContentInit> for MegolmV1AesSha2Content {
fn from(init: MegolmV1AesSha2ContentInit) -> Self {
let MegolmV1AesSha2ContentInit { ciphertext, sender_key, device_id, session_id } = init;
#[allow(deprecated)]
Self { ciphertext, sender_key, device_id, session_id }
}
}
#[cfg(test)]
mod tests {
use assert_matches::assert_matches;
use js_int::uint;
use serde_json::{from_value as from_json_value, json, to_value as to_json_value};
use super::{
EncryptedEventScheme, InReplyTo, MegolmV1AesSha2ContentInit, Relation,
RoomEncryptedEventContent,
};
use crate::{event_id, serde::Raw};
#[test]
fn serialization() {
let key_verification_start_content = RoomEncryptedEventContent {
scheme: EncryptedEventScheme::MegolmV1AesSha2(
MegolmV1AesSha2ContentInit {
ciphertext: "ciphertext".into(),
sender_key: "sender_key".into(),
device_id: "device_id".into(),
session_id: "session_id".into(),
}
.into(),
),
relates_to: Some(Relation::Reply {
in_reply_to: InReplyTo { event_id: event_id!("$h29iv0s8:example.com").to_owned() },
}),
};
let json_data = json!({
"algorithm": "m.megolm.v1.aes-sha2",
"ciphertext": "ciphertext",
"sender_key": "sender_key",
"device_id": "device_id",
"session_id": "session_id",
"m.relates_to": {
"m.in_reply_to": {
"event_id": "$h29iv0s8:example.com"
}
},
});
assert_eq!(to_json_value(&key_verification_start_content).unwrap(), json_data);
}
#[test]
#[allow(deprecated)]
fn deserialization() {
let json_data = json!({
"algorithm": "m.megolm.v1.aes-sha2",
"ciphertext": "ciphertext",
"sender_key": "sender_key",
"device_id": "device_id",
"session_id": "session_id",
"m.relates_to": {
"m.in_reply_to": {
"event_id": "$h29iv0s8:example.com"
}
},
});
let content: RoomEncryptedEventContent = from_json_value(json_data).unwrap();
let scheme = assert_matches!(
content.scheme,
EncryptedEventScheme::MegolmV1AesSha2(scheme) => scheme
);
assert_eq!(scheme.ciphertext, "ciphertext");
assert_eq!(scheme.sender_key, "sender_key");
assert_eq!(scheme.device_id, "device_id");
assert_eq!(scheme.session_id, "session_id");
let in_reply_to = assert_matches!(
content.relates_to,
Some(Relation::Reply { in_reply_to }) => in_reply_to
);
assert_eq!(in_reply_to.event_id, "$h29iv0s8:example.com");
}
#[test]
fn deserialization_olm() {
let json_data = json!({
"sender_key": "test_key",
"ciphertext": {
"test_curve_key": {
"body": "encrypted_body",
"type": 1
}
},
"algorithm": "m.olm.v1.curve25519-aes-sha2"
});
let content: RoomEncryptedEventContent = from_json_value(json_data).unwrap();
let c = assert_matches!(
content.scheme,
EncryptedEventScheme::OlmV1Curve25519AesSha2(c) => c
);
assert_eq!(c.sender_key, "test_key");
assert_eq!(c.ciphertext.len(), 1);
assert_eq!(c.ciphertext["test_curve_key"].body, "encrypted_body");
assert_eq!(c.ciphertext["test_curve_key"].message_type, uint!(1));
assert_matches!(content.relates_to, None);
}
#[test]
fn deserialization_failure() {
from_json_value::<Raw<RoomEncryptedEventContent>>(
json!({ "algorithm": "m.megolm.v1.aes-sha2" }),
)
.unwrap()
.deserialize()
.unwrap_err();
}
}