273 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			273 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
| pub mod account_data;
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| pub mod admin;
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| pub mod appservice;
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| pub mod globals;
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| pub mod key_backups;
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| pub mod media;
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| pub mod rooms;
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| pub mod sending;
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| pub mod transaction_ids;
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| pub mod uiaa;
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| pub mod users;
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| 
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| use crate::{Error, Result};
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| use directories::ProjectDirs;
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| use futures::StreamExt;
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| use log::info;
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| use rocket::futures::{self, channel::mpsc};
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| use ruma::{DeviceId, ServerName, UserId};
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| use serde::Deserialize;
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| use std::collections::HashMap;
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| use std::fs::remove_dir_all;
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| use std::sync::{Arc, RwLock};
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| use tokio::sync::Semaphore;
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| 
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| #[derive(Clone, Deserialize)]
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| pub struct Config {
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|     server_name: Box<ServerName>,
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|     database_path: String,
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|     #[serde(default = "default_cache_capacity")]
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|     cache_capacity: u64,
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|     #[serde(default = "default_max_request_size")]
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|     max_request_size: u32,
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|     #[serde(default = "default_max_concurrent_requests")]
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|     max_concurrent_requests: u16,
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|     #[serde(default)]
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|     registration_disabled: bool,
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|     #[serde(default)]
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|     encryption_disabled: bool,
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|     #[serde(default)]
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|     federation_disabled: bool,
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| }
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| 
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| fn default_cache_capacity() -> u64 {
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|     1024 * 1024 * 1024
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| }
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| 
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| fn default_max_request_size() -> u32 {
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|     20 * 1024 * 1024 // Default to 20 MB
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| }
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| 
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| fn default_max_concurrent_requests() -> u16 {
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|     4
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| }
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| 
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| #[derive(Clone)]
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| pub struct Database {
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|     pub globals: globals::Globals,
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|     pub users: users::Users,
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|     pub uiaa: uiaa::Uiaa,
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|     pub rooms: rooms::Rooms,
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|     pub account_data: account_data::AccountData,
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|     pub media: media::Media,
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|     pub key_backups: key_backups::KeyBackups,
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|     pub transaction_ids: transaction_ids::TransactionIds,
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|     pub sending: sending::Sending,
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|     pub admin: admin::Admin,
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|     pub appservice: appservice::Appservice,
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|     pub _db: sled::Db,
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| }
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| 
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| impl Database {
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|     /// Tries to remove the old database but ignores all errors.
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|     pub fn try_remove(server_name: &str) -> Result<()> {
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|         let mut path = ProjectDirs::from("xyz", "koesters", "conduit")
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|             .ok_or_else(|| Error::bad_config("The OS didn't return a valid home directory path."))?
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|             .data_dir()
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|             .to_path_buf();
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|         path.push(server_name);
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|         let _ = remove_dir_all(path);
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| 
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|         Ok(())
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|     }
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| 
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|     /// Load an existing database or create a new one.
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|     pub async fn load_or_create(config: Config) -> Result<Self> {
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|         let db = sled::Config::default()
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|             .path(&config.database_path)
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|             .cache_capacity(config.cache_capacity)
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|             .print_profile_on_drop(false)
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|             .open()?;
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| 
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|         info!("Opened sled database at {}", config.database_path);
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| 
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|         let (admin_sender, admin_receiver) = mpsc::unbounded();
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| 
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|         let db = Self {
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|             globals: globals::Globals::load(db.open_tree("global")?, config).await?,
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|             users: users::Users {
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|                 userid_password: db.open_tree("userid_password")?,
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|                 userid_displayname: db.open_tree("userid_displayname")?,
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|                 userid_avatarurl: db.open_tree("userid_avatarurl")?,
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|                 userdeviceid_token: db.open_tree("userdeviceid_token")?,
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|                 userdeviceid_metadata: db.open_tree("userdeviceid_metadata")?,
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|                 token_userdeviceid: db.open_tree("token_userdeviceid")?,
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|                 onetimekeyid_onetimekeys: db.open_tree("onetimekeyid_onetimekeys")?,
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|                 userid_lastonetimekeyupdate: db.open_tree("userid_lastonetimekeyupdate")?,
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|                 keychangeid_userid: db.open_tree("devicekeychangeid_userid")?,
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|                 keyid_key: db.open_tree("keyid_key")?,
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|                 userid_masterkeyid: db.open_tree("userid_masterkeyid")?,
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|                 userid_selfsigningkeyid: db.open_tree("userid_selfsigningkeyid")?,
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|                 userid_usersigningkeyid: db.open_tree("userid_usersigningkeyid")?,
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|                 todeviceid_events: db.open_tree("todeviceid_events")?,
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|             },
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|             uiaa: uiaa::Uiaa {
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|                 userdeviceid_uiaainfo: db.open_tree("userdeviceid_uiaainfo")?,
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|             },
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|             rooms: rooms::Rooms {
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|                 edus: rooms::RoomEdus {
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|                     readreceiptid_readreceipt: db.open_tree("readreceiptid_readreceipt")?,
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|                     roomuserid_privateread: db.open_tree("roomuserid_privateread")?, // "Private" read receipt
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|                     roomuserid_lastprivatereadupdate: db
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|                         .open_tree("roomid_lastprivatereadupdate")?,
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|                     typingid_userid: db.open_tree("typingid_userid")?,
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|                     roomid_lasttypingupdate: db.open_tree("roomid_lasttypingupdate")?,
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|                     presenceid_presence: db.open_tree("presenceid_presence")?,
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|                     userid_lastpresenceupdate: db.open_tree("userid_lastpresenceupdate")?,
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|                 },
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|                 pduid_pdu: db.open_tree("pduid_pdu")?,
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|                 eventid_pduid: db.open_tree("eventid_pduid")?,
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|                 roomid_pduleaves: db.open_tree("roomid_pduleaves")?,
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| 
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|                 alias_roomid: db.open_tree("alias_roomid")?,
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|                 aliasid_alias: db.open_tree("alias_roomid")?,
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|                 publicroomids: db.open_tree("publicroomids")?,
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| 
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|                 tokenids: db.open_tree("tokenids")?,
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| 
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|                 roomserverids: db.open_tree("roomserverids")?,
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|                 userroomid_joined: db.open_tree("userroomid_joined")?,
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|                 roomuserid_joined: db.open_tree("roomuserid_joined")?,
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|                 roomuseroncejoinedids: db.open_tree("roomuseroncejoinedids")?,
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|                 userroomid_invited: db.open_tree("userroomid_invited")?,
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|                 roomuserid_invited: db.open_tree("roomuserid_invited")?,
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|                 userroomid_left: db.open_tree("userroomid_left")?,
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| 
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|                 statekey_short: db.open_tree("statekey_short")?,
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|                 stateid_pduid: db.open_tree("stateid_pduid")?,
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|                 pduid_statehash: db.open_tree("pduid_statehash")?,
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|                 roomid_statehash: db.open_tree("roomid_statehash")?,
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|             },
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|             account_data: account_data::AccountData {
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|                 roomuserdataid_accountdata: db.open_tree("roomuserdataid_accountdata")?,
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|             },
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|             media: media::Media {
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|                 mediaid_file: db.open_tree("mediaid_file")?,
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|             },
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|             key_backups: key_backups::KeyBackups {
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|                 backupid_algorithm: db.open_tree("backupid_algorithm")?,
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|                 backupid_etag: db.open_tree("backupid_etag")?,
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|                 backupkeyid_backup: db.open_tree("backupkeyid_backupmetadata")?,
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|             },
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|             transaction_ids: transaction_ids::TransactionIds {
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|                 userdevicetxnid_response: db.open_tree("userdevicetxnid_response")?,
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|             },
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|             sending: sending::Sending {
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|                 servernamepduids: db.open_tree("servernamepduids")?,
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|                 servercurrentpdus: db.open_tree("servercurrentpdus")?,
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|                 maximum_requests: Arc::new(Semaphore::new(10)),
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|             },
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|             admin: admin::Admin {
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|                 sender: admin_sender,
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|             },
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|             appservice: appservice::Appservice {
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|                 cached_registrations: Arc::new(RwLock::new(HashMap::new())),
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|                 id_appserviceregistrations: db.open_tree("id_appserviceregistrations")?,
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|             },
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|             _db: db,
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|         };
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| 
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|         db.admin.start_handler(db.clone(), admin_receiver);
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| 
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|         Ok(db)
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|     }
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| 
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|     pub async fn watch(&self, user_id: &UserId, device_id: &DeviceId) {
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|         let userid_bytes = user_id.to_string().as_bytes().to_vec();
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|         let mut userid_prefix = userid_bytes.clone();
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|         userid_prefix.push(0xff);
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| 
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|         let mut userdeviceid_prefix = userid_prefix.clone();
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|         userdeviceid_prefix.extend_from_slice(device_id.as_bytes());
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|         userdeviceid_prefix.push(0xff);
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| 
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|         let mut futures = futures::stream::FuturesUnordered::new();
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| 
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|         // Return when *any* user changed his key
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|         // TODO: only send for user they share a room with
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|         futures.push(
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|             self.users
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|                 .todeviceid_events
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|                 .watch_prefix(&userdeviceid_prefix),
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|         );
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| 
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|         futures.push(self.rooms.userroomid_joined.watch_prefix(&userid_prefix));
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|         futures.push(self.rooms.userroomid_invited.watch_prefix(&userid_prefix));
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|         futures.push(self.rooms.userroomid_left.watch_prefix(&userid_prefix));
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| 
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|         // Events for rooms we are in
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|         for room_id in self.rooms.rooms_joined(user_id).filter_map(|r| r.ok()) {
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|             let roomid_bytes = room_id.to_string().as_bytes().to_vec();
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|             let mut roomid_prefix = roomid_bytes.clone();
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|             roomid_prefix.push(0xff);
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| 
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|             // PDUs
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|             futures.push(self.rooms.pduid_pdu.watch_prefix(&roomid_prefix));
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| 
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|             // EDUs
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|             futures.push(
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|                 self.rooms
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|                     .edus
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|                     .roomid_lasttypingupdate
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|                     .watch_prefix(&roomid_bytes),
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|             );
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| 
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|             futures.push(
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|                 self.rooms
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|                     .edus
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|                     .readreceiptid_readreceipt
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|                     .watch_prefix(&roomid_prefix),
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|             );
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| 
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|             // Key changes
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|             futures.push(self.users.keychangeid_userid.watch_prefix(&roomid_prefix));
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| 
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|             // Room account data
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|             let mut roomuser_prefix = roomid_prefix.clone();
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|             roomuser_prefix.extend_from_slice(&userid_prefix);
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| 
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|             futures.push(
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|                 self.account_data
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|                     .roomuserdataid_accountdata
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|                     .watch_prefix(&roomuser_prefix),
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|             );
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|         }
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| 
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|         let mut globaluserdata_prefix = vec![0xff];
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|         globaluserdata_prefix.extend_from_slice(&userid_prefix);
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| 
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|         futures.push(
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|             self.account_data
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|                 .roomuserdataid_accountdata
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|                 .watch_prefix(&globaluserdata_prefix),
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|         );
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| 
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|         // More key changes (used when user is not joined to any rooms)
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|         futures.push(self.users.keychangeid_userid.watch_prefix(&userid_prefix));
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| 
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|         // One time keys
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|         futures.push(
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|             self.users
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|                 .userid_lastonetimekeyupdate
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|                 .watch_prefix(&userid_bytes),
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|         );
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| 
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|         // Wait until one of them finds something
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|         futures.next().await;
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|     }
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| 
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|     pub async fn flush(&self) -> Result<()> {
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|         self._db.flush_async().await?;
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|         Ok(())
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|     }
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| }
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