impl Deserialize for m.room.encrypted

This commit is contained in:
Jimmy Cuadra 2019-08-06 14:54:25 -07:00
parent c69e1c6204
commit 2acca3e3ef

View File

@ -7,7 +7,7 @@ use ruma_identifiers::{DeviceId, EventId, RoomId, UserId};
use serde::{de::Error, ser::SerializeStruct, Deserialize, Deserializer, Serialize, Serializer};
use serde_json::{from_value, Value};
use crate::{Algorithm, Event, EventType, InnerInvalidEvent, InvalidEvent, RoomEvent};
use crate::{Algorithm, Event, EventResult, EventType, InnerInvalidEvent, InvalidEvent, RoomEvent};
/// This event type is used when sending encrypted events.
///
@ -50,6 +50,48 @@ pub enum EncryptedEventContent {
__Nonexhaustive,
}
impl<'de> Deserialize<'de> for EventResult<EncryptedEvent> {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
let json = serde_json::Value::deserialize(deserializer)?;
let raw: raw::EncryptedEvent = match serde_json::from_value(json.clone()) {
Ok(raw) => raw,
Err(error) => {
return Ok(EventResult::Err(InvalidEvent(
InnerInvalidEvent::Validation {
json,
message: error.to_string(),
},
)));
}
};
let content = match raw.content {
raw::EncryptedEventContent::OlmV1Curve25519AesSha2(content) => {
EncryptedEventContent::OlmV1Curve25519AesSha2(content)
}
raw::EncryptedEventContent::MegolmV1AesSha2(content) => {
EncryptedEventContent::MegolmV1AesSha2(content)
}
raw::EncryptedEventContent::__Nonexhaustive => {
panic!("__Nonexhaustive enum variant is not intended for use.");
}
};
Ok(EventResult::Ok(EncryptedEvent {
content,
event_id: raw.event_id,
origin_server_ts: raw.origin_server_ts,
room_id: raw.room_id,
sender: raw.sender,
unsigned: raw.unsigned,
}))
}
}
impl FromStr for EncryptedEvent {
type Err = InvalidEvent;
@ -144,6 +186,39 @@ impl_room_event!(
EventType::RoomEncrypted
);
impl<'de> Deserialize<'de> for EventResult<EncryptedEventContent> {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
let json = serde_json::Value::deserialize(deserializer)?;
let raw: raw::EncryptedEventContent = match serde_json::from_value(json.clone()) {
Ok(raw) => raw,
Err(error) => {
return Ok(EventResult::Err(InvalidEvent(
InnerInvalidEvent::Validation {
json,
message: error.to_string(),
},
)));
}
};
match raw {
raw::EncryptedEventContent::OlmV1Curve25519AesSha2(content) => Ok(EventResult::Ok(
EncryptedEventContent::OlmV1Curve25519AesSha2(content),
)),
raw::EncryptedEventContent::MegolmV1AesSha2(content) => Ok(EventResult::Ok(
EncryptedEventContent::MegolmV1AesSha2(content),
)),
raw::EncryptedEventContent::__Nonexhaustive => {
panic!("__Nonexhaustive enum variant is not intended for use.");
}
}
}
}
impl FromStr for EncryptedEventContent {
type Err = InvalidEvent;
@ -340,7 +415,7 @@ pub struct MegolmV1AesSha2Content {
mod tests {
use serde_json::to_string;
use super::{Algorithm, EncryptedEventContent, MegolmV1AesSha2Content};
use super::{Algorithm, EncryptedEventContent, EventResult, MegolmV1AesSha2Content};
#[test]
fn serializtion() {
@ -371,8 +446,11 @@ mod tests {
});
assert_eq!(
r#"{"algorithm":"m.megolm.v1.aes-sha2","ciphertext":"ciphertext","sender_key":"sender_key","device_id":"device_id","session_id":"session_id"}"#
.parse::<EncryptedEventContent>()
serde_json::from_str::<EventResult<EncryptedEventContent>>(
r#"{"algorithm":"m.megolm.v1.aes-sha2","ciphertext":"ciphertext","sender_key":"sender_key","device_id":"device_id","session_id":"session_id"}"#
)
.unwrap()
.into_result()
.unwrap(),
key_verification_start_content
);
@ -380,8 +458,11 @@ mod tests {
#[test]
fn deserialization_failure() {
assert!(
r#"{"algorithm":"m.megolm.v1.aes-sha2"}"#.parse::<EncryptedEventContent>().is_err()
);
assert!(serde_json::from_str::<EventResult<EncryptedEventContent>>(
r#"{"algorithm":"m.megolm.v1.aes-sha2"}"#
)
.unwrap()
.into_result()
.is_err());
}
}