conduit/src/client_server/membership.rs

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use super::State;
use crate::{pdu::PduBuilder, ConduitResult, Database, Error, Ruma};
use ruma::{
api::client::{
error::ErrorKind,
r0::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},
Raw, RoomId,
};
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 fn join_room_by_id_route(
db: State<'_, Database>,
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body: Ruma<join_room_by_id::IncomingRequest>,
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) -> ConduitResult<join_room_by_id::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
// TODO: Ask a remote server if we don't have this room
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 {
room_id: body.room_id.clone(),
}
.into())
}
#[cfg_attr(
feature = "conduit_bin",
post("/_matrix/client/r0/join/<_>", data = "<body>")
)]
pub fn join_room_by_id_or_alias_route(
db: State<'_, Database>,
body: Ruma<join_room_by_id_or_alias::Request>,
) -> ConduitResult<join_room_by_id_or_alias::Response> {
let room_id = RoomId::try_from(body.room_id_or_alias.clone()).or_else(|alias| {
Ok::<_, Error>(db.rooms.id_from_alias(&alias)?.ok_or(Error::BadRequest(
ErrorKind::NotFound,
"Room not found (TODO: Federation).",
))?)
})?;
let body = Ruma {
sender_id: body.sender_id.clone(),
device_id: body.device_id.clone(),
json_body: None,
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body: join_room_by_id::IncomingRequest {
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room_id,
third_party_signed: body.third_party_signed.clone(),
},
};
Ok(join_room_by_id_or_alias::Response {
room_id: join_room_by_id_route(db, body)?.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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body: Ruma<leave_room::IncomingRequest>,
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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.into())
}
#[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::Request>,
) -> 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.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::Request>,
) -> 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.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::Request>,
) -> 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.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::Request>,
) -> 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.into())
}
#[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())
}