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@ -1,11 +1,15 @@
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use crate::{utils, Database, PduEvent};
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use ruma_events::{collections::only::Event as EduEvent, EventJson, EventType};
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use crate::{database::COUNTER, utils, Database, PduEvent};
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use ruma_events::{
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collections::only::Event as EduEvent, room::power_levels::PowerLevelsEventContent, EventJson,
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EventType,
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};
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use ruma_federation_api::RoomV3Pdu;
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use ruma_identifiers::{EventId, RoomId, UserId};
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use serde_json::json;
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use std::{
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collections::HashMap,
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convert::{TryFrom, TryInto},
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mem,
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};
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pub struct Data {
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@ -189,7 +193,14 @@ impl Data {
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}
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pub fn room_join(&self, room_id: &RoomId, user_id: &UserId) -> bool {
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if !self.room_exists(room_id) {
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if !self.room_exists(room_id)
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&& !self
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.db
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.userid_joinroomids
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.get_iter(user_id.to_string().as_bytes())
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.values()
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.any(|r| r.unwrap() == room_id.to_string().as_bytes())
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{
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return false;
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}
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@ -249,8 +260,7 @@ impl Data {
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/// Check if a room exists by looking for PDUs in that room.
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pub fn room_exists(&self, room_id: &RoomId) -> bool {
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// Create the first part of the full pdu id
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let mut prefix = vec![b'd'];
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prefix.extend_from_slice(room_id.to_string().as_bytes());
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let mut prefix = room_id.to_string().as_bytes().to_vec();
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prefix.push(0xff); // Add delimiter so we don't find rooms starting with the same id
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if let Some((key, _)) = self.db.pduid_pdu.get_gt(&prefix).unwrap() {
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@ -397,13 +407,14 @@ impl Data {
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.collect()
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}
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pub fn room_pdu_first(&self, room_id: &RoomId, pdu_index: u64) -> bool {
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let mut pdu_id = vec![b'd'];
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pdu_id.extend_from_slice(room_id.to_string().as_bytes());
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pdu_id.push(0xff);
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pdu_id.extend_from_slice(&pdu_index.to_be_bytes());
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self.db.pduid_pdu.get_lt(&pdu_id).unwrap().is_none()
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pub fn pdu_get_count(&self, event_id: &EventId) -> Option<u64> {
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self.db
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.eventid_pduid
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.get(event_id.to_string().as_bytes())
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.unwrap()
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.map(|pdu_id| {
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utils::u64_from_bytes(&pdu_id[pdu_id.len() - mem::size_of::<u64>()..pdu_id.len()])
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})
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}
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pub fn pdu_get(&self, event_id: &EventId) -> Option<RoomV3Pdu> {
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@ -459,7 +470,39 @@ impl Data {
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content: serde_json::Value,
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unsigned: Option<serde_json::Map<String, serde_json::Value>>,
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state_key: Option<String>,
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) -> EventId {
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) -> Option<EventId> {
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// Is the event authorized?
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if state_key.is_some() {
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if let Some(pdu) = self
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.room_state(&room_id)
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.get(&(EventType::RoomPowerLevels, "".to_owned()))
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{
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let power_levels = serde_json::from_value::<EventJson<PowerLevelsEventContent>>(
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pdu.content.clone(),
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)
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.unwrap()
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.deserialize()
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.unwrap();
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match event_type {
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EventType::RoomMember => {
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// Member events are okay for now (TODO)
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}
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_ if power_levels
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.users
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.get(&sender)
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.unwrap_or(&power_levels.users_default)
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<= &0.into() =>
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{
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// Not authorized
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return None;
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}
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// User has sufficient power
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_ => {}
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}
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}
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}
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// prev_events are the leaves of the current graph. This method removes all leaves from the
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// room and replaces them with our event
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// TODO: Make sure this isn't called twice in parallel
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@ -523,22 +566,19 @@ impl Data {
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self.pdu_leaves_replace(&room_id, &pdu.event_id);
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// The new value will need a new index. We store the last used index in 'n'
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// The count will go up regardless of the room_id
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// This is also the next_batch/since value
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// Increment the last index and use that
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let index = utils::u64_from_bytes(
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&self
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.db
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.pduid_pdu
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.update_and_fetch(b"n", utils::increment)
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.global
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.update_and_fetch(COUNTER, utils::increment)
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.unwrap()
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.unwrap(),
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);
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let mut pdu_id = vec![b'd'];
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pdu_id.extend_from_slice(room_id.to_string().as_bytes());
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let mut pdu_id = room_id.to_string().as_bytes().to_vec();
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pdu_id.push(0xff); // Add delimiter so we don't find rooms starting with the same id
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pdu_id.extend_from_slice(&index.to_be_bytes());
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@ -564,7 +604,9 @@ impl Data {
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.unwrap();
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}
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pdu.event_id
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self.room_read_set(&room_id, &sender, &pdu.event_id);
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Some(pdu.event_id)
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}
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/// Returns a vector of all PDUs in a room.
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@ -573,12 +615,11 @@ impl Data {
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}
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pub fn last_pdu_index(&self) -> u64 {
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let count_key: Vec<u8> = vec![b'n'];
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utils::u64_from_bytes(
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&self
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.db
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.pduid_pdu
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.get(&count_key)
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.global
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.get(&COUNTER)
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.unwrap()
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.unwrap_or_else(|| (&0_u64.to_be_bytes()).into()),
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)
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@ -586,15 +627,23 @@ impl Data {
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/// Returns a vector of all events in a room that happened after the event with id `since`.
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pub fn pdus_since(&self, room_id: &RoomId, since: u64) -> Vec<PduEvent> {
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// Create the first part of the full pdu id
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let mut pdu_id = room_id.to_string().as_bytes().to_vec();
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pdu_id.push(0xff); // Add delimiter so we don't find rooms starting with the same id
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pdu_id.extend_from_slice(&(since).to_be_bytes());
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self.pdus_since_pduid(room_id, pdu_id)
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}
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/// Returns a vector of all events in a room that happened after the event with id `since`.
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pub fn pdus_since_pduid(&self, room_id: &RoomId, pdu_id: Vec<u8>) -> Vec<PduEvent> {
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let mut pdus = Vec::new();
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// Create the first part of the full pdu id
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let mut prefix = vec![b'd'];
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prefix.extend_from_slice(room_id.to_string().as_bytes());
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let mut prefix = room_id.to_string().as_bytes().to_vec();
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prefix.push(0xff); // Add delimiter so we don't find rooms starting with the same id
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let mut current = prefix.clone();
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current.extend_from_slice(&since.to_be_bytes());
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let mut current = pdu_id;
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while let Some((key, value)) = self.db.pduid_pdu.get_gt(¤t).unwrap() {
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if key.starts_with(&prefix) {
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@ -608,19 +657,18 @@ impl Data {
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pdus
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}
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pub fn pdus_until(&self, room_id: &RoomId, until: u64) -> Vec<PduEvent> {
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pub fn pdus_until(&self, room_id: &RoomId, until: u64, max: u32) -> Vec<PduEvent> {
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let mut pdus = Vec::new();
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// Create the first part of the full pdu id
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let mut prefix = vec![b'd'];
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prefix.extend_from_slice(room_id.to_string().as_bytes());
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let mut prefix = room_id.to_string().as_bytes().to_vec();
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prefix.push(0xff); // Add delimiter so we don't find rooms starting with the same id
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let mut current = prefix.clone();
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current.extend_from_slice(&until.to_be_bytes());
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while let Some((key, value)) = self.db.pduid_pdu.get_lt(¤t).unwrap() {
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if key.starts_with(&prefix) {
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if pdus.len() < max as usize && key.starts_with(&prefix) {
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current = key.to_vec();
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pdus.push(serde_json::from_slice(&value).expect("pdu in db is valid"));
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} else {
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@ -670,8 +718,8 @@ impl Data {
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let index = utils::u64_from_bytes(
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&self
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.db
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.pduid_pdu
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.update_and_fetch(b"n", utils::increment)
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.global
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.update_and_fetch(COUNTER, utils::increment)
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.unwrap()
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.unwrap(),
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);
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@ -695,17 +743,14 @@ impl Data {
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prefix.push(0xff);
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let mut current = prefix.clone();
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current.extend_from_slice(&since.to_be_bytes());
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current.extend_from_slice(&(since + 1).to_be_bytes());
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while let Some((key, value)) = self.db.roomlatestid_roomlatest.get_gt(¤t).unwrap() {
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if key.starts_with(&prefix) {
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current = key.to_vec();
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room_latests.push(
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serde_json::from_slice::<EventJson<EduEvent>>(&value)
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.expect("room_latest in db is valid")
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.deserialize()
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.expect("room_latest in db is valid")
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.into(),
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.expect("room_latest in db is valid"),
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);
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} else {
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break;
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@ -715,6 +760,11 @@ impl Data {
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room_latests
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}
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/// Returns a vector of the most recent read_receipts in a room that happened after the event with id `since`.
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pub fn roomlatests_all(&self, room_id: &RoomId) -> Vec<EventJson<EduEvent>> {
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self.roomlatests_since(room_id, 0)
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}
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pub fn roomactive_add(&self, event: EduEvent, room_id: &RoomId, timeout: u64) {
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let mut prefix = room_id.to_string().as_bytes().to_vec();
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prefix.push(0xff);
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@ -737,8 +787,8 @@ impl Data {
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let index = utils::u64_from_bytes(
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&self
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.db
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.pduid_pdu
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.update_and_fetch(b"n", utils::increment)
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.global
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.update_and_fetch(COUNTER, utils::increment)
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.unwrap()
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.unwrap(),
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);
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@ -790,10 +840,7 @@ impl Data {
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current = key.to_vec();
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room_actives.push(
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serde_json::from_slice::<EventJson<EduEvent>>(&value)
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.expect("room_active in db is valid")
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.deserialize()
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.expect("room_active in db is valid")
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.into(),
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.expect("room_active in db is valid"),
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);
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} else {
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break;
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@ -813,6 +860,158 @@ impl Data {
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}
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}
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pub fn room_userdata_update(
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&self,
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room_id: Option<&RoomId>,
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user_id: &UserId,
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event: EduEvent,
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) {
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let mut prefix = room_id
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.map(|r| r.to_string())
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.unwrap_or_default()
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.as_bytes()
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.to_vec();
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prefix.push(0xff);
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prefix.extend_from_slice(&user_id.to_string().as_bytes());
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prefix.push(0xff);
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// Start with last
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if let Some(mut current) = self
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.db
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.roomuserdataid_accountdata
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.scan_prefix(&prefix)
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.keys()
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.next_back()
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.map(|c| c.unwrap())
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{
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// Remove old entry (there should be at most one)
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loop {
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if !current.starts_with(&prefix) {
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// We're in another room or user
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break;
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}
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if current.rsplit(|&b| b == 0xff).nth(2).unwrap() == user_id.to_string().as_bytes()
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{
|
|
|
|
|
// This is the old room_latest
|
|
|
|
|
self.db.roomuserdataid_accountdata.remove(current).unwrap();
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
// Else, try the event before that
|
|
|
|
|
if let Some((k, _)) = self.db.roomuserdataid_accountdata.get_lt(current).unwrap() {
|
|
|
|
|
current = k;
|
|
|
|
|
} else {
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Increment the last index and use that
|
|
|
|
|
let index = utils::u64_from_bytes(
|
|
|
|
|
&self
|
|
|
|
|
.db
|
|
|
|
|
.global
|
|
|
|
|
.update_and_fetch(COUNTER, utils::increment)
|
|
|
|
|
.unwrap()
|
|
|
|
|
.unwrap(),
|
|
|
|
|
);
|
|
|
|
|
|
|
|
|
|
let mut key = prefix;
|
|
|
|
|
key.extend_from_slice(&index.to_be_bytes());
|
|
|
|
|
|
|
|
|
|
let json = serde_json::to_value(&event).unwrap();
|
|
|
|
|
key.extend_from_slice(json["type"].as_str().unwrap().as_bytes());
|
|
|
|
|
|
|
|
|
|
self.db
|
|
|
|
|
.roomuserdataid_accountdata
|
|
|
|
|
.insert(key, &*json.to_string())
|
|
|
|
|
.unwrap();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn room_userdata_get(
|
|
|
|
|
&self,
|
|
|
|
|
room_id: Option<&RoomId>,
|
|
|
|
|
user_id: &UserId,
|
|
|
|
|
kind: &str,
|
|
|
|
|
) -> Option<EventJson<EduEvent>> {
|
|
|
|
|
self.room_userdata_all(room_id, user_id).remove(kind)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn room_userdata_since(
|
|
|
|
|
&self,
|
|
|
|
|
room_id: Option<&RoomId>,
|
|
|
|
|
user_id: &UserId,
|
|
|
|
|
since: u64,
|
|
|
|
|
) -> HashMap<String, EventJson<EduEvent>> {
|
|
|
|
|
let mut userdata = HashMap::new();
|
|
|
|
|
|
|
|
|
|
let mut prefix = room_id
|
|
|
|
|
.map(|r| r.to_string())
|
|
|
|
|
.unwrap_or_default()
|
|
|
|
|
.as_bytes()
|
|
|
|
|
.to_vec();
|
|
|
|
|
prefix.push(0xff);
|
|
|
|
|
prefix.extend_from_slice(&user_id.to_string().as_bytes());
|
|
|
|
|
prefix.push(0xff);
|
|
|
|
|
|
|
|
|
|
let mut current = prefix.clone();
|
|
|
|
|
current.extend_from_slice(&(since + 1).to_be_bytes());
|
|
|
|
|
|
|
|
|
|
while let Some((key, value)) = self.db.roomuserdataid_accountdata.get_gt(¤t).unwrap()
|
|
|
|
|
{
|
|
|
|
|
if key.starts_with(&prefix) {
|
|
|
|
|
current = key.to_vec();
|
|
|
|
|
let json = serde_json::from_slice::<serde_json::Value>(&value).unwrap();
|
|
|
|
|
userdata.insert(
|
|
|
|
|
json["type"].as_str().unwrap().to_owned(),
|
|
|
|
|
serde_json::from_value::<EventJson<EduEvent>>(json)
|
|
|
|
|
.expect("userdata in db is valid"),
|
|
|
|
|
);
|
|
|
|
|
} else {
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
userdata
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn room_userdata_all(
|
|
|
|
|
&self,
|
|
|
|
|
room_id: Option<&RoomId>,
|
|
|
|
|
user_id: &UserId,
|
|
|
|
|
) -> HashMap<String, EventJson<EduEvent>> {
|
|
|
|
|
self.room_userdata_since(room_id, user_id, 0)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn room_read_set(
|
|
|
|
|
&self,
|
|
|
|
|
room_id: &RoomId,
|
|
|
|
|
user_id: &UserId,
|
|
|
|
|
event_id: &EventId,
|
|
|
|
|
) -> Option<()> {
|
|
|
|
|
let mut key = room_id.to_string().as_bytes().to_vec();
|
|
|
|
|
key.push(0xff);
|
|
|
|
|
key.extend_from_slice(&user_id.to_string().as_bytes());
|
|
|
|
|
|
|
|
|
|
self.db
|
|
|
|
|
.roomuserid_lastread
|
|
|
|
|
.insert(key, &self.pdu_get_count(event_id)?.to_be_bytes())
|
|
|
|
|
.unwrap();
|
|
|
|
|
|
|
|
|
|
Some(())
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn room_read_get(&self, room_id: &RoomId, user_id: &UserId) -> Option<u64> {
|
|
|
|
|
let mut key = room_id.to_string().as_bytes().to_vec();
|
|
|
|
|
key.push(0xff);
|
|
|
|
|
key.extend_from_slice(&user_id.to_string().as_bytes());
|
|
|
|
|
|
|
|
|
|
self.db
|
|
|
|
|
.roomuserid_lastread
|
|
|
|
|
.get(key)
|
|
|
|
|
.unwrap()
|
|
|
|
|
.map(|v| utils::u64_from_bytes(&v))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn debug(&self) {
|
|
|
|
|
self.db.debug();
|
|
|
|
|
}
|
|
|
|
|
|
timokoesters
4 years ago