Skip to content
Snippets Groups Projects
account.rs 8.84 KiB
Newer Older
  • Learn to ignore specific revisions
  • use super::{State, DEVICE_ID_LENGTH, SESSION_ID_LENGTH, TOKEN_LENGTH};
    use crate::{pdu::PduBuilder, utils, ConduitResult, Database, Error, Ruma};
    use ruma::{
        api::client::{
            error::ErrorKind,
            r0::{
                account::{
                    change_password, deactivate, get_username_availability, register, whoami,
                    ThirdPartyIdRemovalStatus,
                },
                uiaa::{AuthFlow, UiaaInfo},
            },
        },
        events::{room::member, EventType},
        UserId,
    };
    
    #[cfg(feature = "conduit_bin")]
    use rocket::{get, post};
    
    const GUEST_NAME_LENGTH: usize = 10;
    
    #[cfg_attr(
        feature = "conduit_bin",
        get("/_matrix/client/r0/register/available", data = "<body>")
    )]
    pub fn get_register_available_route(
        db: State<'_, Database>,
        body: Ruma<get_username_availability::Request>,
    ) -> ConduitResult<get_username_availability::Response> {
        // Validate user id
        let user_id = UserId::parse_with_server_name(body.username.clone(), db.globals.server_name())
            .ok()
            .filter(|user_id| {
                !user_id.is_historical() && user_id.server_name() == db.globals.server_name()
            })
            .ok_or(Error::BadRequest(
                ErrorKind::InvalidUsername,
                "Username is invalid.",
            ))?;
    
        // Check if username is creative enough
        if db.users.exists(&user_id)? {
            return Err(Error::BadRequest(
                ErrorKind::UserInUse,
                "Desired user ID is already taken.",
            ));
        }
    
        // TODO add check for appservice namespaces
    
        // If no if check is true we have an username that's available to be used.
        Ok(get_username_availability::Response { available: true }.into())
    }
    
    #[cfg_attr(
        feature = "conduit_bin",
        post("/_matrix/client/r0/register", data = "<body>")
    )]
    pub fn register_route(
        db: State<'_, Database>,
        body: Ruma<register::Request>,
    ) -> ConduitResult<register::Response> {
        if db.globals.registration_disabled() {
            return Err(Error::BadRequest(
                ErrorKind::Forbidden,
                "Registration has been disabled.",
            ));
        }
    
        // Validate user id
        let user_id = UserId::parse_with_server_name(
            body.username
                .clone()
                .unwrap_or_else(|| utils::random_string(GUEST_NAME_LENGTH))
                .to_lowercase(),
            db.globals.server_name(),
        )
        .ok()
        .filter(|user_id| !user_id.is_historical() && user_id.server_name() == db.globals.server_name())
        .ok_or(Error::BadRequest(
            ErrorKind::InvalidUsername,
            "Username is invalid.",
        ))?;
    
        // Check if username is creative enough
        if db.users.exists(&user_id)? {
            return Err(Error::BadRequest(
                ErrorKind::UserInUse,
                "Desired user ID is already taken.",
            ));
        }
    
        // UIAA
        let mut uiaainfo = UiaaInfo {
            flows: vec![AuthFlow {
                stages: vec!["m.login.dummy".to_owned()],
            }],
            completed: Vec::new(),
            params: Default::default(),
            session: None,
            auth_error: None,
        };
    
        if let Some(auth) = &body.auth {
            let (worked, uiaainfo) =
                db.uiaa
                    .try_auth(&user_id, "".into(), auth, &uiaainfo, &db.users, &db.globals)?;
            if !worked {
                return Err(Error::Uiaa(uiaainfo));
            }
        // Success!
        } else {
            uiaainfo.session = Some(utils::random_string(SESSION_ID_LENGTH));
            db.uiaa.create(&user_id, "".into(), &uiaainfo)?;
            return Err(Error::Uiaa(uiaainfo));
        }
    
        let password = body.password.clone().unwrap_or_default();
    
        // Create user
        db.users.create(&user_id, &password)?;
    
        // Generate new device id if the user didn't specify one
        let device_id = body
            .device_id
            .clone()
            .unwrap_or_else(|| utils::random_string(DEVICE_ID_LENGTH).into());
    
        // Generate new token for the device
        let token = utils::random_string(TOKEN_LENGTH);
    
        // Add device
        db.users.create_device(
            &user_id,
            &device_id,
            &token,
            body.initial_device_display_name.clone(),
        )?;
    
        // Initial data
        db.account_data.update(
            None,
            &user_id,
            EventType::PushRules,
            &ruma::events::push_rules::PushRulesEvent {
                content: ruma::events::push_rules::PushRulesEventContent {
                    global: crate::push_rules::default_pushrules(&user_id),
                },
            },
            &db.globals,
        )?;
    
        Ok(register::Response {
            access_token: Some(token),
            user_id,
            device_id: Some(device_id),
        }
        .into())
    }
    
    #[cfg_attr(
        feature = "conduit_bin",
        post("/_matrix/client/r0/account/password", data = "<body>")
    )]
    pub fn change_password_route(
        db: State<'_, Database>,
        body: Ruma<change_password::Request>,
    ) -> ConduitResult<change_password::Response> {
        let sender_id = body.sender_id.as_ref().expect("user is authenticated");
        let device_id = body.device_id.as_ref().expect("user is authenticated");
    
        let mut uiaainfo = UiaaInfo {
            flows: vec![AuthFlow {
                stages: vec!["m.login.password".to_owned()],
            }],
            completed: Vec::new(),
            params: Default::default(),
            session: None,
            auth_error: None,
        };
    
        if let Some(auth) = &body.auth {
            let (worked, uiaainfo) = db.uiaa.try_auth(
                &sender_id,
                device_id,
                auth,
                &uiaainfo,
                &db.users,
                &db.globals,
            )?;
            if !worked {
                return Err(Error::Uiaa(uiaainfo));
            }
        // Success!
        } else {
            uiaainfo.session = Some(utils::random_string(SESSION_ID_LENGTH));
            db.uiaa.create(&sender_id, &device_id, &uiaainfo)?;
            return Err(Error::Uiaa(uiaainfo));
        }
    
        db.users.set_password(&sender_id, &body.new_password)?;
    
        // TODO: Read logout_devices field when it's available and respect that, currently not supported in Ruma
        // See: https://github.com/ruma/ruma/issues/107
        // Logout all devices except the current one
        for id in db
            .users
            .all_device_ids(&sender_id)
            .filter_map(|id| id.ok())
            .filter(|id| id != device_id)
        {
            db.users.remove_device(&sender_id, &id)?;
        }
    
        Ok(change_password::Response.into())
    }
    
    #[cfg_attr(
        feature = "conduit_bin",
        get("/_matrix/client/r0/account/whoami", data = "<body>")
    )]
    pub fn whoami_route(body: Ruma<whoami::Request>) -> ConduitResult<whoami::Response> {
        let sender_id = body.sender_id.as_ref().expect("user is authenticated");
        Ok(whoami::Response {
            user_id: sender_id.clone(),
        }
        .into())
    }
    
    #[cfg_attr(
        feature = "conduit_bin",
        post("/_matrix/client/r0/account/deactivate", data = "<body>")
    )]
    pub fn deactivate_route(
        db: State<'_, Database>,
        body: Ruma<deactivate::Request>,
    ) -> ConduitResult<deactivate::Response> {
        let sender_id = body.sender_id.as_ref().expect("user is authenticated");
        let device_id = body.device_id.as_ref().expect("user is authenticated");
    
        let mut uiaainfo = UiaaInfo {
            flows: vec![AuthFlow {
                stages: vec!["m.login.password".to_owned()],
            }],
            completed: Vec::new(),
            params: Default::default(),
            session: None,
            auth_error: None,
        };
    
        if let Some(auth) = &body.auth {
            let (worked, uiaainfo) = db.uiaa.try_auth(
                &sender_id,
                &device_id,
                auth,
                &uiaainfo,
                &db.users,
                &db.globals,
            )?;
            if !worked {
                return Err(Error::Uiaa(uiaainfo));
            }
        // Success!
        } else {
            uiaainfo.session = Some(utils::random_string(SESSION_ID_LENGTH));
            db.uiaa.create(&sender_id, &device_id, &uiaainfo)?;
            return Err(Error::Uiaa(uiaainfo));
        }
    
        // Leave all joined rooms and reject all invitations
        for room_id in db
            .rooms
            .rooms_joined(&sender_id)
            .chain(db.rooms.rooms_invited(&sender_id))
        {
            let room_id = room_id?;
            let event = member::MemberEventContent {
                membership: member::MembershipState::Leave,
                displayname: None,
                avatar_url: None,
                is_direct: None,
                third_party_invite: None,
            };
    
            db.rooms.append_pdu(
                PduBuilder {
                    room_id: 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,
            )?;
        }
    
        // Remove devices and mark account as deactivated
        db.users.deactivate_account(&sender_id)?;
    
        Ok(deactivate::Response {
            id_server_unbind_result: ThirdPartyIdRemovalStatus::NoSupport,
        }
        .into())
    }