275 lines
8.7 KiB
Rust
275 lines
8.7 KiB
Rust
use crate::{
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database::DatabaseGuard, pdu::PduBuilder, ConduitResult, Database, Error, Result, Ruma,
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};
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use ruma::{
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api::client::{
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error::ErrorKind,
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r0::state::{get_state_events, get_state_events_for_key, send_state_event},
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},
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events::{
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room::{
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canonical_alias::CanonicalAliasEventContent,
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history_visibility::{HistoryVisibility, HistoryVisibilityEventContent},
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},
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AnyStateEventContent, EventType,
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},
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serde::Raw,
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EventId, RoomId, UserId,
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};
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#[cfg(feature = "conduit_bin")]
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use rocket::{get, put};
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#[cfg_attr(
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feature = "conduit_bin",
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put("/_matrix/client/r0/rooms/<_>/state/<_>/<_>", data = "<body>")
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)]
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#[tracing::instrument(skip(db, body))]
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pub async fn send_state_event_for_key_route(
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db: DatabaseGuard,
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body: Ruma<send_state_event::Request<'_>>,
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) -> ConduitResult<send_state_event::Response> {
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let sender_user = body.sender_user.as_ref().expect("user is authenticated");
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let event_id = send_state_event_for_key_helper(
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&db,
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sender_user,
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&body.room_id,
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EventType::from(&body.event_type),
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&body.body.body, // Yes, I hate it too
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body.state_key.to_owned(),
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)
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.await?;
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db.flush().await?;
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Ok(send_state_event::Response { event_id }.into())
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}
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#[cfg_attr(
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feature = "conduit_bin",
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put("/_matrix/client/r0/rooms/<_>/state/<_>", data = "<body>")
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)]
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#[tracing::instrument(skip(db, body))]
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pub async fn send_state_event_for_empty_key_route(
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db: DatabaseGuard,
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body: Ruma<send_state_event::Request<'_>>,
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) -> ConduitResult<send_state_event::Response> {
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let sender_user = body.sender_user.as_ref().expect("user is authenticated");
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let event_id = send_state_event_for_key_helper(
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&db,
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sender_user,
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&body.room_id,
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EventType::from(&body.event_type),
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&body.body.body,
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body.state_key.to_owned(),
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)
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.await?;
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db.flush().await?;
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Ok(send_state_event::Response { event_id }.into())
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}
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#[cfg_attr(
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feature = "conduit_bin",
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get("/_matrix/client/r0/rooms/<_>/state", data = "<body>")
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)]
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#[tracing::instrument(skip(db, body))]
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pub async fn get_state_events_route(
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db: DatabaseGuard,
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body: Ruma<get_state_events::Request<'_>>,
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) -> ConduitResult<get_state_events::Response> {
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let sender_user = body.sender_user.as_ref().expect("user is authenticated");
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#[allow(clippy::blocks_in_if_conditions)]
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// Users not in the room should not be able to access the state unless history_visibility is
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// WorldReadable
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if !db.rooms.is_joined(sender_user, &body.room_id)?
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&& !matches!(
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db.rooms
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.room_state_get(&body.room_id, &EventType::RoomHistoryVisibility, "")?
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.map(|event| {
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serde_json::from_value::<HistoryVisibilityEventContent>(event.content.clone())
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.map_err(|_| {
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Error::bad_database(
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"Invalid room history visibility event in database.",
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)
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})
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.map(|e| e.history_visibility)
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}),
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Some(Ok(HistoryVisibility::WorldReadable))
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)
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{
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return Err(Error::BadRequest(
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ErrorKind::Forbidden,
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"You don't have permission to view the room state.",
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));
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}
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Ok(get_state_events::Response {
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room_state: db
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.rooms
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.room_state_full(&body.room_id)?
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.values()
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.map(|pdu| pdu.to_state_event())
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.collect(),
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}
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.into())
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}
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#[cfg_attr(
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feature = "conduit_bin",
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get("/_matrix/client/r0/rooms/<_>/state/<_>/<_>", data = "<body>")
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)]
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#[tracing::instrument(skip(db, body))]
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pub async fn get_state_events_for_key_route(
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db: DatabaseGuard,
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body: Ruma<get_state_events_for_key::Request<'_>>,
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) -> ConduitResult<get_state_events_for_key::Response> {
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let sender_user = body.sender_user.as_ref().expect("user is authenticated");
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#[allow(clippy::blocks_in_if_conditions)]
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// Users not in the room should not be able to access the state unless history_visibility is
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// WorldReadable
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if !db.rooms.is_joined(sender_user, &body.room_id)?
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&& !matches!(
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db.rooms
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.room_state_get(&body.room_id, &EventType::RoomHistoryVisibility, "")?
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.map(|event| {
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serde_json::from_value::<HistoryVisibilityEventContent>(event.content.clone())
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.map_err(|_| {
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Error::bad_database(
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"Invalid room history visibility event in database.",
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)
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})
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.map(|e| e.history_visibility)
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}),
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Some(Ok(HistoryVisibility::WorldReadable))
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)
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{
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return Err(Error::BadRequest(
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ErrorKind::Forbidden,
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"You don't have permission to view the room state.",
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));
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}
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let event = db
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.rooms
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.room_state_get(&body.room_id, &body.event_type, &body.state_key)?
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.ok_or(Error::BadRequest(
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ErrorKind::NotFound,
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"State event not found.",
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))?;
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Ok(get_state_events_for_key::Response {
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content: serde_json::from_value(event.content.clone())
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.map_err(|_| Error::bad_database("Invalid event content in database"))?,
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}
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.into())
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}
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#[cfg_attr(
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feature = "conduit_bin",
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get("/_matrix/client/r0/rooms/<_>/state/<_>", data = "<body>")
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)]
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#[tracing::instrument(skip(db, body))]
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pub async fn get_state_events_for_empty_key_route(
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db: DatabaseGuard,
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body: Ruma<get_state_events_for_key::Request<'_>>,
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) -> ConduitResult<get_state_events_for_key::Response> {
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let sender_user = body.sender_user.as_ref().expect("user is authenticated");
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#[allow(clippy::blocks_in_if_conditions)]
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// Users not in the room should not be able to access the state unless history_visibility is
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// WorldReadable
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if !db.rooms.is_joined(sender_user, &body.room_id)?
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&& !matches!(
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db.rooms
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.room_state_get(&body.room_id, &EventType::RoomHistoryVisibility, "")?
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.map(|event| {
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serde_json::from_value::<HistoryVisibilityEventContent>(event.content.clone())
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.map_err(|_| {
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Error::bad_database(
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"Invalid room history visibility event in database.",
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)
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})
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.map(|e| e.history_visibility)
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}),
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Some(Ok(HistoryVisibility::WorldReadable))
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)
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{
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return Err(Error::BadRequest(
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ErrorKind::Forbidden,
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"You don't have permission to view the room state.",
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));
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}
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let event = db
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.rooms
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.room_state_get(&body.room_id, &body.event_type, "")?
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.ok_or(Error::BadRequest(
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ErrorKind::NotFound,
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"State event not found.",
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))?;
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Ok(get_state_events_for_key::Response {
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content: serde_json::from_value(event.content.clone())
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.map_err(|_| Error::bad_database("Invalid event content in database"))?,
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}
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.into())
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}
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pub async fn send_state_event_for_key_helper(
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db: &Database,
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sender: &UserId,
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room_id: &RoomId,
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event_type: EventType,
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json: &Raw<AnyStateEventContent>,
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state_key: String,
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) -> Result<EventId> {
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let sender_user = sender;
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if let Ok(canonical_alias) =
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serde_json::from_str::<CanonicalAliasEventContent>(json.json().get())
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{
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let mut aliases = canonical_alias.alt_aliases.clone();
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if let Some(alias) = canonical_alias.alias {
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aliases.push(alias);
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}
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for alias in aliases {
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if alias.server_name() != db.globals.server_name()
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|| db
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.rooms
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.id_from_alias(&alias)?
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.filter(|room| room == room_id) // Make sure it's the right room
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.is_none()
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{
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return Err(Error::BadRequest(
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ErrorKind::Forbidden,
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"You are only allowed to send canonical_alias \
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events when it's aliases already exists",
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));
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}
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}
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}
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let event_id = db.rooms.build_and_append_pdu(
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PduBuilder {
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event_type,
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content: serde_json::from_str(json.json().get()).expect("content is valid json"),
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unsigned: None,
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state_key: Some(state_key),
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redacts: None,
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},
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&sender_user,
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&room_id,
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&db,
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)?;
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Ok(event_id)
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}
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