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use crate::{
client_server, pdu::PduBuilder, server_server, utils, ConduitResult, Database, Error, Ruma,
};
api::{
client::{
error::ErrorKind,
r0::{
alias,
membership::{
ban_user, forget_room, get_member_events, invite_user, join_room_by_id,
join_room_by_id_or_alias, joined_members, joined_rooms, kick_user, leave_room,
unban_user,
},
},
},
events::{room::member, EventType},
EventId, Raw, RoomId, RoomVersionId,
use state_res::StateEvent;
use std::{collections::BTreeMap, convert::TryFrom};
#[cfg(feature = "conduit_bin")]
use rocket::{get, post};
#[cfg_attr(
feature = "conduit_bin",
post("/_matrix/client/r0/rooms/<_>/join", data = "<body>")
)]
pub async fn join_room_by_id_route(
) -> ConduitResult<join_room_by_id::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
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// Ask a remote server if we don't have this room
if !db.rooms.exists(&body.room_id)? && body.room_id.server_name() != db.globals.server_name() {
let make_join_response = server_server::send_request(
&db,
body.room_id.server_name().to_string(),
federation::membership::create_join_event_template::v1::Request {
room_id: body.room_id.clone(),
user_id: sender_id.clone(),
ver: vec![RoomVersionId::Version5, RoomVersionId::Version6],
},
)
.await?;
let mut join_event_stub_value =
serde_json::from_str::<serde_json::Value>(make_join_response.event.json().get())
.map_err(|_| {
Error::BadServerResponse("Invalid make_join event json received from server.")
})?;
let join_event_stub =
join_event_stub_value
.as_object_mut()
.ok_or(Error::BadServerResponse(
"Invalid make join event object received from server.",
))?;
join_event_stub.insert(
"origin".to_owned(),
db.globals.server_name().to_owned().to_string().into(),
);
join_event_stub.insert(
"origin_server_ts".to_owned(),
utils::millis_since_unix_epoch().into(),
);
// Generate event id
let event_id = EventId::try_from(&*format!(
"${}",
ruma::signatures::reference_hash(&join_event_stub_value)
.expect("ruma can calculate reference hashes")
))
.expect("ruma's reference hashes are valid event ids");
// We don't leave the event id into the pdu because that's only allowed in v1 or v2 rooms
let join_event_stub = join_event_stub_value.as_object_mut().unwrap();
join_event_stub.remove("event_id");
ruma::signatures::hash_and_sign_event(
db.globals.server_name().as_str(),
db.globals.keypair(),
&mut join_event_stub_value,
)
.expect("event is valid, we just created it");
let send_join_response = server_server::send_request(
&db,
body.room_id.server_name().to_string(),
federation::membership::create_join_event::v1::Request {
room_id: body.room_id.clone(),
event_id,
pdu_stub: serde_json::from_value(join_event_stub_value)
.expect("Raw::from_value always works"),
},
)
.await?;
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dbg!(&send_join_response);
// todo!("Take send_join_response and 'create' the room using that data");
let mut event_map = send_join_response
.room_state
.state
.iter()
.map(|pdu| pdu.deserialize().map(StateEvent::Full))
.map(|ev| {
let ev = ev?;
Ok::<_, serde_json::Error>((ev.event_id(), ev))
})
.collect::<Result<BTreeMap<EventId, StateEvent>, _>>()
.map_err(|_| Error::bad_database("Invalid PDU found in db."))?;
let _auth_chain = send_join_response
.room_state
.auth_chain
.iter()
.flat_map(|pdu| pdu.deserialize().ok())
.map(StateEvent::Full)
.collect::<Vec<_>>();
// TODO make StateResolution's methods free functions ? or no self param ?
let sorted_events_ids = state_res::StateResolution::default()
.reverse_topological_power_sort(
&body.room_id,
&event_map.keys().cloned().collect::<Vec<_>>(),
&mut event_map,
&db.rooms,
&[], // TODO auth_diff: is this none since we have a set of resolved events we only want to sort
);
for ev_id in &sorted_events_ids {
// this is a `state_res::StateEvent` that holds a `ruma::Pdu`
let pdu = event_map.get(ev_id).ok_or_else(|| {
Error::Conflict("Found event_id in sorted events that is not in resolved state")
})?;
db.rooms.append_pdu(
PduBuilder {
room_id: pdu.room_id().unwrap_or(&body.room_id).clone(),
sender: pdu.sender().clone(),
event_type: pdu.kind(),
content: pdu.content().clone(),
unsigned: Some(
pdu.unsigned()
.iter()
.map(|(k, v)| (k.clone(), v.clone()))
.collect(),
),
state_key: pdu.state_key(),
redacts: pdu.redacts().cloned(),
},
&db.globals,
&db.account_data,
)?;
}
let event = member::MemberEventContent {
membership: member::MembershipState::Join,
displayname: db.users.displayname(&sender_id)?,
avatar_url: db.users.avatar_url(&sender_id)?,
is_direct: None,
third_party_invite: None,
};
db.rooms.append_pdu(
PduBuilder {
room_id: body.room_id.clone(),
sender: sender_id.clone(),
event_type: EventType::RoomMember,
content: serde_json::to_value(event).expect("event is valid, we just created it"),
unsigned: None,
state_key: Some(sender_id.to_string()),
redacts: None,
},
&db.globals,
&db.account_data,
)?;
Ok(join_room_by_id::Response::new(body.room_id.clone()).into())
}
#[cfg_attr(
feature = "conduit_bin",
post("/_matrix/client/r0/join/<_>", data = "<body>")
)]
pub async fn join_room_by_id_or_alias_route(
db2: State<'_, Database>,
body: Ruma<join_room_by_id_or_alias::IncomingRequest>,
) -> ConduitResult<join_room_by_id_or_alias::Response> {
let room_id = match RoomId::try_from(body.room_id_or_alias.clone()) {
Ok(room_id) => room_id,
Err(room_alias) => {
client_server::get_alias_route(
db,
Ruma {
body: alias::get_alias::IncomingRequest::try_from(http::Request::new(
serde_json::json!({ "room_alias": room_alias })
.to_string()
.as_bytes()
.to_vec(),
))
.unwrap(),
sender_id: body.sender_id.clone(),
device_id: body.device_id.clone(),
json_body: None,
},
)
.await?
.0
.room_id
}
};
// TODO ruma needs to implement the same constructors for the Incoming variants
let tps = if let Some(in_tps) = &body.third_party_signed {
Some(ruma::api::client::r0::membership::ThirdPartySigned {
token: &in_tps.token,
sender: &in_tps.sender,
signatures: in_tps.signatures.clone(),
mxid: &in_tps.mxid,
})
} else {
None
};
let body = Ruma {
sender_id: body.sender_id.clone(),
device_id: body.device_id.clone(),
json_body: None,
body: join_room_by_id::IncomingRequest::try_from(http::Request::new(
serde_json::json!({
"room_id": room_id,
"third_party_signed": tps,
})
.to_string()
.as_bytes()
.to_vec(),
))
.unwrap(),
};
Ok(join_room_by_id_or_alias::Response {
room_id: join_room_by_id_route(db2, body).await?.0.room_id,
}
.into())
}
#[cfg_attr(
feature = "conduit_bin",
post("/_matrix/client/r0/rooms/<_>/leave", data = "<body>")
)]
pub fn leave_room_route(
db: State<'_, Database>,
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) -> ConduitResult<leave_room::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
let mut event = serde_json::from_value::<Raw<member::MemberEventContent>>(
db.rooms
.room_state_get(
&body.room_id,
&EventType::RoomMember,
&sender_id.to_string(),
)?
.ok_or(Error::BadRequest(
ErrorKind::BadState,
"Cannot leave a room you are not a member of.",
))?
.content,
)
.expect("from_value::<Raw<..>> can never fail")
.deserialize()
.map_err(|_| Error::bad_database("Invalid member event in database."))?;
event.membership = member::MembershipState::Leave;
db.rooms.append_pdu(
PduBuilder {
room_id: body.room_id.clone(),
sender: sender_id.clone(),
event_type: EventType::RoomMember,
content: serde_json::to_value(event).expect("event is valid, we just created it"),
unsigned: None,
state_key: Some(sender_id.to_string()),
redacts: None,
},
&db.globals,
&db.account_data,
)?;
Ok(leave_room::Response::new().into())
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}
#[cfg_attr(
feature = "conduit_bin",
post("/_matrix/client/r0/rooms/<_>/invite", data = "<body>")
)]
pub fn invite_user_route(
db: State<'_, Database>,
body: Ruma<invite_user::Request>,
) -> ConduitResult<invite_user::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
if let invite_user::InvitationRecipient::UserId { user_id } = &body.recipient {
db.rooms.append_pdu(
PduBuilder {
room_id: body.room_id.clone(),
sender: sender_id.clone(),
event_type: EventType::RoomMember,
content: serde_json::to_value(member::MemberEventContent {
membership: member::MembershipState::Invite,
displayname: db.users.displayname(&user_id)?,
avatar_url: db.users.avatar_url(&user_id)?,
is_direct: None,
third_party_invite: None,
})
.expect("event is valid, we just created it"),
unsigned: None,
state_key: Some(user_id.to_string()),
redacts: None,
},
&db.globals,
&db.account_data,
)?;
Ok(invite_user::Response.into())
} else {
Err(Error::BadRequest(ErrorKind::NotFound, "User not found."))
}
}
#[cfg_attr(
feature = "conduit_bin",
post("/_matrix/client/r0/rooms/<_>/kick", data = "<body>")
)]
pub fn kick_user_route(
db: State<'_, Database>,
body: Ruma<kick_user::IncomingRequest>,
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) -> ConduitResult<kick_user::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
let mut event = serde_json::from_value::<Raw<ruma::events::room::member::MemberEventContent>>(
db.rooms
.room_state_get(
&body.room_id,
&EventType::RoomMember,
&body.user_id.to_string(),
)?
.ok_or(Error::BadRequest(
ErrorKind::BadState,
"Cannot kick member that's not in the room.",
))?
.content,
)
.expect("Raw::from_value always works")
.deserialize()
.map_err(|_| Error::bad_database("Invalid member event in database."))?;
event.membership = ruma::events::room::member::MembershipState::Leave;
// TODO: reason
db.rooms.append_pdu(
PduBuilder {
room_id: body.room_id.clone(),
sender: sender_id.clone(),
event_type: EventType::RoomMember,
content: serde_json::to_value(event).expect("event is valid, we just created it"),
unsigned: None,
state_key: Some(body.user_id.to_string()),
redacts: None,
},
&db.globals,
&db.account_data,
)?;
Ok(kick_user::Response::new().into())
}
#[cfg_attr(
feature = "conduit_bin",
post("/_matrix/client/r0/rooms/<_>/ban", data = "<body>")
)]
pub fn ban_user_route(
db: State<'_, Database>,
body: Ruma<ban_user::IncomingRequest>,
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) -> ConduitResult<ban_user::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
// TODO: reason
let event = db
.rooms
.room_state_get(
&body.room_id,
&EventType::RoomMember,
&body.user_id.to_string(),
)?
.map_or(
Ok::<_, Error>(member::MemberEventContent {
membership: member::MembershipState::Ban,
displayname: db.users.displayname(&body.user_id)?,
avatar_url: db.users.avatar_url(&body.user_id)?,
is_direct: None,
third_party_invite: None,
}),
|event| {
let mut event =
serde_json::from_value::<Raw<member::MemberEventContent>>(event.content)
.expect("Raw::from_value always works")
.deserialize()
.map_err(|_| Error::bad_database("Invalid member event in database."))?;
event.membership = ruma::events::room::member::MembershipState::Ban;
Ok(event)
},
)?;
db.rooms.append_pdu(
PduBuilder {
room_id: body.room_id.clone(),
sender: sender_id.clone(),
event_type: EventType::RoomMember,
content: serde_json::to_value(event).expect("event is valid, we just created it"),
unsigned: None,
state_key: Some(body.user_id.to_string()),
redacts: None,
},
&db.globals,
&db.account_data,
)?;
Ok(ban_user::Response::new().into())
}
#[cfg_attr(
feature = "conduit_bin",
post("/_matrix/client/r0/rooms/<_>/unban", data = "<body>")
)]
pub fn unban_user_route(
db: State<'_, Database>,
body: Ruma<unban_user::IncomingRequest>,
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) -> ConduitResult<unban_user::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
let mut event = serde_json::from_value::<Raw<ruma::events::room::member::MemberEventContent>>(
db.rooms
.room_state_get(
&body.room_id,
&EventType::RoomMember,
&body.user_id.to_string(),
)?
.ok_or(Error::BadRequest(
ErrorKind::BadState,
"Cannot unban a user who is not banned.",
))?
.content,
)
.expect("from_value::<Raw<..>> can never fail")
.deserialize()
.map_err(|_| Error::bad_database("Invalid member event in database."))?;
event.membership = ruma::events::room::member::MembershipState::Leave;
db.rooms.append_pdu(
PduBuilder {
room_id: body.room_id.clone(),
sender: sender_id.clone(),
event_type: EventType::RoomMember,
content: serde_json::to_value(event).expect("event is valid, we just created it"),
unsigned: None,
state_key: Some(body.user_id.to_string()),
redacts: None,
},
&db.globals,
&db.account_data,
)?;
Ok(unban_user::Response::new().into())
}
#[cfg_attr(
feature = "conduit_bin",
post("/_matrix/client/r0/rooms/<_>/forget", data = "<body>")
)]
pub fn forget_room_route(
db: State<'_, Database>,
body: Ruma<forget_room::IncomingRequest>,
) -> ConduitResult<forget_room::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
db.rooms.forget(&body.room_id, &sender_id)?;
Ok(forget_room::Response::new().into())
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}
#[cfg_attr(
feature = "conduit_bin",
get("/_matrix/client/r0/joined_rooms", data = "<body>")
)]
pub fn joined_rooms_route(
db: State<'_, Database>,
body: Ruma<joined_rooms::Request>,
) -> ConduitResult<joined_rooms::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
Ok(joined_rooms::Response {
joined_rooms: db
.rooms
.rooms_joined(&sender_id)
.filter_map(|r| r.ok())
.collect(),
}
.into())
}
#[cfg_attr(
feature = "conduit_bin",
get("/_matrix/client/r0/rooms/<_>/members", data = "<body>")
)]
pub fn get_member_events_route(
db: State<'_, Database>,
body: Ruma<get_member_events::Request>,
) -> ConduitResult<get_member_events::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
if !db.rooms.is_joined(sender_id, &body.room_id)? {
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"You don't have permission to view this room.",
));
}
Ok(get_member_events::Response {
chunk: db
.rooms
.room_state_type(&body.room_id, &EventType::RoomMember)?
.values()
.map(|pdu| pdu.to_member_event())
.collect(),
}
.into())
}
#[cfg_attr(
feature = "conduit_bin",
get("/_matrix/client/r0/rooms/<_>/joined_members", data = "<body>")
)]
pub fn joined_members_route(
db: State<'_, Database>,
body: Ruma<joined_members::Request>,
) -> ConduitResult<joined_members::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
if !db
.rooms
.is_joined(&sender_id, &body.room_id)
.unwrap_or(false)
{
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"You aren't a member of the room.",
));
}
let mut joined = BTreeMap::new();
for user_id in db.rooms.room_members(&body.room_id).filter_map(|r| r.ok()) {
let display_name = db.users.displayname(&user_id)?;
let avatar_url = db.users.avatar_url(&user_id)?;
joined.insert(
user_id,
joined_members::RoomMember {
display_name,
avatar_url,
},
);
}
Ok(joined_members::Response { joined }.into())
}