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Refactor usage of CanonicalJsonValue

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This commit is contained in:
Jonas Platte 2021-04-26 18:20:20 +02:00
parent c2b72773d5
commit 2e1d7d12ca
No known key found for this signature in database
GPG key ID: CC154DE0E30B7C67
4 changed files with 63 additions and 75 deletions
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94
src/server_server.rs
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@ -33,7 +33,7 @@ use ruma::{
},
EventType,
},
serde::{to_canonical_value, Raw},
serde::Raw,
signatures::{CanonicalJsonObject, CanonicalJsonValue},
uint, EventId, RoomId, RoomVersionId, ServerName, ServerSigningKeyId, UserId,
};
@ -709,11 +709,7 @@ pub fn handle_incoming_pdu<'a>(
// 1. Check the server is in the room
let room_id = match value
.get("room_id")
.map(|id| match id {
CanonicalJsonValue::String(id) => RoomId::try_from(id.as_str()).ok(),
_ => None,
})
.flatten()
.and_then(|id| RoomId::try_from(id.as_str()?).ok())
{
Some(id) => id,
None => {
@ -776,7 +772,7 @@ pub fn handle_incoming_pdu<'a>(
// to our PduEvent type
val.insert(
"event_id".to_owned(),
to_canonical_value(&event_id).expect("EventId is a valid CanonicalJsonValue"),
CanonicalJsonValue::String(event_id.as_str().to_owned()),
);
let incoming_pdu = serde_json::from_value::<PduEvent>(
serde_json::to_value(&val).expect("CanonicalJsonObj is a valid JsonValue"),
@ -1306,8 +1302,7 @@ pub(crate) fn fetch_and_handle_events<'a>(
Ok(_) => {
value.insert(
"event_id".to_owned(),
to_canonical_value(&event_id)
.expect("EventId is a valid CanonicalJsonValue"),
CanonicalJsonValue::String(event_id.into()),
);
Arc::new(serde_json::from_value(
@ -1805,8 +1800,7 @@ pub fn create_join_event_template_route<'a>(
// Add origin because synapse likes that (and it's required in the spec)
pdu_json.insert(
"origin".to_owned(),
to_canonical_value(db.globals.server_name())
.expect("server name is a valid CanonicalJsonValue"),
CanonicalJsonValue::String(db.globals.server_name().as_str().to_owned()),
);
Ok(create_join_event_template::v1::Response {
@ -1979,33 +1973,30 @@ pub async fn create_invite_route<'a>(
// Add event_id back
signed_event.insert(
"event_id".to_owned(),
to_canonical_value(&event_id).expect("EventId is a valid CanonicalJsonValue"),
CanonicalJsonValue::String(event_id.into()),
);
let sender = serde_json::from_value(
serde_json::to_value(
signed_event
.get("sender")
.ok_or(Error::BadRequest(
ErrorKind::InvalidParam,
"Event had no sender field.",
))?
.clone(),
)
.expect("CanonicalJsonValue to serde_json::Value always works"),
signed_event
.get("sender")
.ok_or(Error::BadRequest(
ErrorKind::InvalidParam,
"Event had no sender field.",
))?
.clone()
.into(),
)
.map_err(|_| Error::BadRequest(ErrorKind::InvalidParam, "sender is not a user id."))?;
let invited_user = serde_json::from_value(
serde_json::to_value(
signed_event
.get("state_key")
.ok_or(Error::BadRequest(
ErrorKind::InvalidParam,
"Event had no state_key field.",
))?
.clone(),
)
.expect("CanonicalJsonValue to serde_json::Value always works"),
signed_event
.get("state_key")
.ok_or(Error::BadRequest(
ErrorKind::InvalidParam,
"Event had no state_key field.",
))?
.clone()
.into(),
)
.map_err(|_| Error::BadRequest(ErrorKind::InvalidParam, "state_key is not a user id."))?;
@ -2150,39 +2141,36 @@ pub async fn fetch_required_signing_keys(
pub_key_map: &RwLock<BTreeMap<String, BTreeMap<String, String>>>,
db: &Database,
) -> Result<()> {
let signatures = event
.get("signatures")
.ok_or(Error::BadServerResponse(
"No signatures in server response pdu.",
))?
.as_object()
.ok_or(Error::BadServerResponse(
"Invalid signatures object in server response pdu.",
))?;
// We go through all the signatures we see on the value and fetch the corresponding signing
// keys
for (signature_server, signature) in match event.get("signatures").ok_or(
Error::BadServerResponse("No signatures in server response pdu."),
)? {
CanonicalJsonValue::Object(map) => map,
_ => {
return Err(Error::BadServerResponse(
"Invalid signatures object in server response pdu.",
))
}
} {
let signature_object = match signature {
CanonicalJsonValue::Object(map) => map,
_ => {
return Err(Error::BadServerResponse(
"Invalid signatures content object in server response pdu.",
))
}
};
for (signature_server, signature) in signatures {
let signature_object = signature.as_object().ok_or(Error::BadServerResponse(
"Invalid signatures content object in server response pdu.",
))?;
let signature_ids = signature_object.keys().collect::<Vec<_>>();
debug!("Fetching signing keys for {}", signature_server);
let keys = match fetch_signing_keys(
let fetch_res = fetch_signing_keys(
db,
&Box::<ServerName>::try_from(&**signature_server).map_err(|_| {
Error::BadServerResponse("Invalid servername in signatures of server response pdu.")
})?,
signature_ids,
)
.await
{
.await;
let keys = match fetch_res {
Ok(keys) => keys,
Err(_) => {
warn!("Signature verification failed: Could not fetch signing key.",);