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refactor: prepare for state accessor, state cache, user, and uiaa

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Nyaaori 2022-10-10 13:20:05 +02:00
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/// Builds a StateMap by iterating over all keys that start
/// with state_hash, this gives the full state for the given state_hash.
#[tracing::instrument(skip(self))]
pub async fn state_full_ids(&self, shortstatehash: u64) -> Result<BTreeMap<u64, Arc<EventId>>> {
let full_state = self
.load_shortstatehash_info(shortstatehash)?
.pop()
.expect("there is always one layer")
.1;
let mut result = BTreeMap::new();
let mut i = 0;
for compressed in full_state.into_iter() {
let parsed = self.parse_compressed_state_event(compressed)?;
result.insert(parsed.0, parsed.1);
i += 1;
if i % 100 == 0 {
tokio::task::yield_now().await;
}
}
Ok(result)
}
#[tracing::instrument(skip(self))]
pub async fn state_full(
&self,
shortstatehash: u64,
) -> Result<HashMap<(StateEventType, String), Arc<PduEvent>>> {
let full_state = self
.load_shortstatehash_info(shortstatehash)?
.pop()
.expect("there is always one layer")
.1;
let mut result = HashMap::new();
let mut i = 0;
for compressed in full_state {
let (_, eventid) = self.parse_compressed_state_event(compressed)?;
if let Some(pdu) = self.get_pdu(&eventid)? {
result.insert(
(
pdu.kind.to_string().into(),
pdu.state_key
.as_ref()
.ok_or_else(|| Error::bad_database("State event has no state key."))?
.clone(),
),
pdu,
);
}
i += 1;
if i % 100 == 0 {
tokio::task::yield_now().await;
}
}
Ok(result)
}
/// Returns a single PDU from `room_id` with key (`event_type`, `state_key`).
#[tracing::instrument(skip(self))]
pub fn state_get_id(
&self,
shortstatehash: u64,
event_type: &StateEventType,
state_key: &str,
) -> Result<Option<Arc<EventId>>> {
let shortstatekey = match self.get_shortstatekey(event_type, state_key)? {
Some(s) => s,
None => return Ok(None),
};
let full_state = self
.load_shortstatehash_info(shortstatehash)?
.pop()
.expect("there is always one layer")
.1;
Ok(full_state
.into_iter()
.find(|bytes| bytes.starts_with(&shortstatekey.to_be_bytes()))
.and_then(|compressed| {
self.parse_compressed_state_event(compressed)
.ok()
.map(|(_, id)| id)
}))
}
/// Returns a single PDU from `room_id` with key (`event_type`, `state_key`).
#[tracing::instrument(skip(self))]
pub fn state_get(
&self,
shortstatehash: u64,
event_type: &StateEventType,
state_key: &str,
) -> Result<Option<Arc<PduEvent>>> {
self.state_get_id(shortstatehash, event_type, state_key)?
.map_or(Ok(None), |event_id| self.get_pdu(&event_id))
}
/// Returns the state hash for this pdu.
pub fn pdu_shortstatehash(&self, event_id: &EventId) -> Result<Option<u64>> {
self.eventid_shorteventid
.get(event_id.as_bytes())?
.map_or(Ok(None), |shorteventid| {
self.shorteventid_shortstatehash
.get(&shorteventid)?
.map(|bytes| {
utils::u64_from_bytes(&bytes).map_err(|_| {
Error::bad_database(
"Invalid shortstatehash bytes in shorteventid_shortstatehash",
)
})
})
.transpose()
})
}
/// Returns the full room state.
#[tracing::instrument(skip(self))]
pub async fn room_state_full(
&self,
room_id: &RoomId,
) -> Result<HashMap<(StateEventType, String), Arc<PduEvent>>> {
if let Some(current_shortstatehash) = self.current_shortstatehash(room_id)? {
self.state_full(current_shortstatehash).await
} else {
Ok(HashMap::new())
}
}
/// Returns a single PDU from `room_id` with key (`event_type`, `state_key`).
#[tracing::instrument(skip(self))]
pub fn room_state_get_id(
&self,
room_id: &RoomId,
event_type: &StateEventType,
state_key: &str,
) -> Result<Option<Arc<EventId>>> {
if let Some(current_shortstatehash) = self.current_shortstatehash(room_id)? {
self.state_get_id(current_shortstatehash, event_type, state_key)
} else {
Ok(None)
}
}
/// Returns a single PDU from `room_id` with key (`event_type`, `state_key`).
#[tracing::instrument(skip(self))]
pub fn room_state_get(
&self,
room_id: &RoomId,
event_type: &StateEventType,
state_key: &str,
) -> Result<Option<Arc<PduEvent>>> {
if let Some(current_shortstatehash) = self.current_shortstatehash(room_id)? {
self.state_get(current_shortstatehash, event_type, state_key)
} else {
Ok(None)
}
}

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#[tracing::instrument(skip(self))]
pub fn reset_notification_counts(&self, user_id: &UserId, room_id: &RoomId) -> Result<()> {
let mut userroom_id = user_id.as_bytes().to_vec();
userroom_id.push(0xff);
userroom_id.extend_from_slice(room_id.as_bytes());
self.userroomid_notificationcount
.insert(&userroom_id, &0_u64.to_be_bytes())?;
self.userroomid_highlightcount
.insert(&userroom_id, &0_u64.to_be_bytes())?;
Ok(())
}
#[tracing::instrument(skip(self))]
pub fn notification_count(&self, user_id: &UserId, room_id: &RoomId) -> Result<u64> {
let mut userroom_id = user_id.as_bytes().to_vec();
userroom_id.push(0xff);
userroom_id.extend_from_slice(room_id.as_bytes());
self.userroomid_notificationcount
.get(&userroom_id)?
.map(|bytes| {
utils::u64_from_bytes(&bytes)
.map_err(|_| Error::bad_database("Invalid notification count in db."))
})
.unwrap_or(Ok(0))
}
#[tracing::instrument(skip(self))]
pub fn highlight_count(&self, user_id: &UserId, room_id: &RoomId) -> Result<u64> {
let mut userroom_id = user_id.as_bytes().to_vec();
userroom_id.push(0xff);
userroom_id.extend_from_slice(room_id.as_bytes());
self.userroomid_highlightcount
.get(&userroom_id)?
.map(|bytes| {
utils::u64_from_bytes(&bytes)
.map_err(|_| Error::bad_database("Invalid highlight count in db."))
})
.unwrap_or(Ok(0))
}
pub fn associate_token_shortstatehash(
&self,
room_id: &RoomId,
token: u64,
shortstatehash: u64,
) -> Result<()> {
let shortroomid = self.get_shortroomid(room_id)?.expect("room exists");
let mut key = shortroomid.to_be_bytes().to_vec();
key.extend_from_slice(&token.to_be_bytes());
self.roomsynctoken_shortstatehash
.insert(&key, &shortstatehash.to_be_bytes())
}
pub fn get_token_shortstatehash(&self, room_id: &RoomId, token: u64) -> Result<Option<u64>> {
let shortroomid = self.get_shortroomid(room_id)?.expect("room exists");
let mut key = shortroomid.to_be_bytes().to_vec();
key.extend_from_slice(&token.to_be_bytes());
self.roomsynctoken_shortstatehash
.get(&key)?
.map(|bytes| {
utils::u64_from_bytes(&bytes).map_err(|_| {
Error::bad_database("Invalid shortstatehash in roomsynctoken_shortstatehash")
})
})
.transpose()
}
#[tracing::instrument(skip(self))]
pub fn get_shared_rooms<'a>(
&'a self,
users: Vec<Box<UserId>>,
) -> Result<impl Iterator<Item = Result<Box<RoomId>>> + 'a> {
let iterators = users.into_iter().map(move |user_id| {
let mut prefix = user_id.as_bytes().to_vec();
prefix.push(0xff);
self.userroomid_joined
.scan_prefix(prefix)
.map(|(key, _)| {
let roomid_index = key
.iter()
.enumerate()
.find(|(_, &b)| b == 0xff)
.ok_or_else(|| Error::bad_database("Invalid userroomid_joined in db."))?
.0
+ 1; // +1 because the room id starts AFTER the separator
let room_id = key[roomid_index..].to_vec();
Ok::<_, Error>(room_id)
})
.filter_map(|r| r.ok())
});
// We use the default compare function because keys are sorted correctly (not reversed)
Ok(utils::common_elements(iterators, Ord::cmp)
.expect("users is not empty")
.map(|bytes| {
RoomId::parse(utils::string_from_bytes(&*bytes).map_err(|_| {
Error::bad_database("Invalid RoomId bytes in userroomid_joined")
})?)
.map_err(|_| Error::bad_database("Invalid RoomId in userroomid_joined."))
}))
}

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/// Builds a StateMap by iterating over all keys that start
/// with state_hash, this gives the full state for the given state_hash.
#[tracing::instrument(skip(self))]
pub async fn state_full_ids(&self, shortstatehash: u64) -> Result<BTreeMap<u64, Arc<EventId>>> {
let full_state = self
.load_shortstatehash_info(shortstatehash)?
.pop()
.expect("there is always one layer")
.1;
let mut result = BTreeMap::new();
let mut i = 0;
for compressed in full_state.into_iter() {
let parsed = self.parse_compressed_state_event(compressed)?;
result.insert(parsed.0, parsed.1);
i += 1;
if i % 100 == 0 {
tokio::task::yield_now().await;
}
}
Ok(result)
}
#[tracing::instrument(skip(self))]
pub async fn state_full(
&self,
shortstatehash: u64,
) -> Result<HashMap<(StateEventType, String), Arc<PduEvent>>> {
let full_state = self
.load_shortstatehash_info(shortstatehash)?
.pop()
.expect("there is always one layer")
.1;
let mut result = HashMap::new();
let mut i = 0;
for compressed in full_state {
let (_, eventid) = self.parse_compressed_state_event(compressed)?;
if let Some(pdu) = self.get_pdu(&eventid)? {
result.insert(
(
pdu.kind.to_string().into(),
pdu.state_key
.as_ref()
.ok_or_else(|| Error::bad_database("State event has no state key."))?
.clone(),
),
pdu,
);
}
i += 1;
if i % 100 == 0 {
tokio::task::yield_now().await;
}
}
Ok(result)
}
/// Returns a single PDU from `room_id` with key (`event_type`, `state_key`).
#[tracing::instrument(skip(self))]
pub fn state_get_id(
&self,
shortstatehash: u64,
event_type: &StateEventType,
state_key: &str,
) -> Result<Option<Arc<EventId>>> {
let shortstatekey = match self.get_shortstatekey(event_type, state_key)? {
Some(s) => s,
None => return Ok(None),
};
let full_state = self
.load_shortstatehash_info(shortstatehash)?
.pop()
.expect("there is always one layer")
.1;
Ok(full_state
.into_iter()
.find(|bytes| bytes.starts_with(&shortstatekey.to_be_bytes()))
.and_then(|compressed| {
self.parse_compressed_state_event(compressed)
.ok()
.map(|(_, id)| id)
}))
}
/// Returns a single PDU from `room_id` with key (`event_type`, `state_key`).
#[tracing::instrument(skip(self))]
pub fn state_get(
&self,
shortstatehash: u64,
event_type: &StateEventType,
state_key: &str,
) -> Result<Option<Arc<PduEvent>>> {
self.state_get_id(shortstatehash, event_type, state_key)?
.map_or(Ok(None), |event_id| self.get_pdu(&event_id))
}
/// Returns the state hash for this pdu.
pub fn pdu_shortstatehash(&self, event_id: &EventId) -> Result<Option<u64>> {
self.eventid_shorteventid
.get(event_id.as_bytes())?
.map_or(Ok(None), |shorteventid| {
self.shorteventid_shortstatehash
.get(&shorteventid)?
.map(|bytes| {
utils::u64_from_bytes(&bytes).map_err(|_| {
Error::bad_database(
"Invalid shortstatehash bytes in shorteventid_shortstatehash",
)
})
})
.transpose()
})
}
/// Returns the full room state.
#[tracing::instrument(skip(self))]
pub async fn room_state_full(
&self,
room_id: &RoomId,
) -> Result<HashMap<(StateEventType, String), Arc<PduEvent>>> {
if let Some(current_shortstatehash) = self.current_shortstatehash(room_id)? {
self.state_full(current_shortstatehash).await
} else {
Ok(HashMap::new())
}
}
/// Returns a single PDU from `room_id` with key (`event_type`, `state_key`).
#[tracing::instrument(skip(self))]
pub fn room_state_get_id(
&self,
room_id: &RoomId,
event_type: &StateEventType,
state_key: &str,
) -> Result<Option<Arc<EventId>>> {
if let Some(current_shortstatehash) = self.current_shortstatehash(room_id)? {
self.state_get_id(current_shortstatehash, event_type, state_key)
} else {
Ok(None)
}
}
/// Returns a single PDU from `room_id` with key (`event_type`, `state_key`).
#[tracing::instrument(skip(self))]
pub fn room_state_get(
&self,
room_id: &RoomId,
event_type: &StateEventType,
state_key: &str,
) -> Result<Option<Arc<PduEvent>>> {
if let Some(current_shortstatehash) = self.current_shortstatehash(room_id)? {
self.state_get(current_shortstatehash, event_type, state_key)
} else {
Ok(None)
}
}

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#[tracing::instrument(skip(self))]
pub fn reset_notification_counts(&self, user_id: &UserId, room_id: &RoomId) -> Result<()> {
let mut userroom_id = user_id.as_bytes().to_vec();
userroom_id.push(0xff);
userroom_id.extend_from_slice(room_id.as_bytes());
self.userroomid_notificationcount
.insert(&userroom_id, &0_u64.to_be_bytes())?;
self.userroomid_highlightcount
.insert(&userroom_id, &0_u64.to_be_bytes())?;
Ok(())
}
#[tracing::instrument(skip(self))]
pub fn notification_count(&self, user_id: &UserId, room_id: &RoomId) -> Result<u64> {
let mut userroom_id = user_id.as_bytes().to_vec();
userroom_id.push(0xff);
userroom_id.extend_from_slice(room_id.as_bytes());
self.userroomid_notificationcount
.get(&userroom_id)?
.map(|bytes| {
utils::u64_from_bytes(&bytes)
.map_err(|_| Error::bad_database("Invalid notification count in db."))
})
.unwrap_or(Ok(0))
}
#[tracing::instrument(skip(self))]
pub fn highlight_count(&self, user_id: &UserId, room_id: &RoomId) -> Result<u64> {
let mut userroom_id = user_id.as_bytes().to_vec();
userroom_id.push(0xff);
userroom_id.extend_from_slice(room_id.as_bytes());
self.userroomid_highlightcount
.get(&userroom_id)?
.map(|bytes| {
utils::u64_from_bytes(&bytes)
.map_err(|_| Error::bad_database("Invalid highlight count in db."))
})
.unwrap_or(Ok(0))
}
pub fn associate_token_shortstatehash(
&self,
room_id: &RoomId,
token: u64,
shortstatehash: u64,
) -> Result<()> {
let shortroomid = self.get_shortroomid(room_id)?.expect("room exists");
let mut key = shortroomid.to_be_bytes().to_vec();
key.extend_from_slice(&token.to_be_bytes());
self.roomsynctoken_shortstatehash
.insert(&key, &shortstatehash.to_be_bytes())
}
pub fn get_token_shortstatehash(&self, room_id: &RoomId, token: u64) -> Result<Option<u64>> {
let shortroomid = self.get_shortroomid(room_id)?.expect("room exists");
let mut key = shortroomid.to_be_bytes().to_vec();
key.extend_from_slice(&token.to_be_bytes());
self.roomsynctoken_shortstatehash
.get(&key)?
.map(|bytes| {
utils::u64_from_bytes(&bytes).map_err(|_| {
Error::bad_database("Invalid shortstatehash in roomsynctoken_shortstatehash")
})
})
.transpose()
}
#[tracing::instrument(skip(self))]
pub fn get_shared_rooms<'a>(
&'a self,
users: Vec<Box<UserId>>,
) -> Result<impl Iterator<Item = Result<Box<RoomId>>> + 'a> {
let iterators = users.into_iter().map(move |user_id| {
let mut prefix = user_id.as_bytes().to_vec();
prefix.push(0xff);
self.userroomid_joined
.scan_prefix(prefix)
.map(|(key, _)| {
let roomid_index = key
.iter()
.enumerate()
.find(|(_, &b)| b == 0xff)
.ok_or_else(|| Error::bad_database("Invalid userroomid_joined in db."))?
.0
+ 1; // +1 because the room id starts AFTER the separator
let room_id = key[roomid_index..].to_vec();
Ok::<_, Error>(room_id)
})
.filter_map(|r| r.ok())
});
// We use the default compare function because keys are sorted correctly (not reversed)
Ok(utils::common_elements(iterators, Ord::cmp)
.expect("users is not empty")
.map(|bytes| {
RoomId::parse(utils::string_from_bytes(&*bytes).map_err(|_| {
Error::bad_database("Invalid RoomId bytes in userroomid_joined")
})?)
.map_err(|_| Error::bad_database("Invalid RoomId in userroomid_joined."))
}))
}

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src/service/uiaa/data.rs Normal file
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use std::{
collections::BTreeMap,
sync::{Arc, RwLock},
};
use crate::{client_server::SESSION_ID_LENGTH, utils, Error, Result};
use ruma::{
api::client::{
error::ErrorKind,
uiaa::{
AuthType, IncomingAuthData, IncomingPassword,
IncomingUserIdentifier::UserIdOrLocalpart, UiaaInfo,
},
},
signatures::CanonicalJsonValue,
DeviceId, UserId,
};
use tracing::error;
use super::abstraction::Tree;
pub struct Uiaa {
pub(super) userdevicesessionid_uiaainfo: Arc<dyn Tree>, // User-interactive authentication
pub(super) userdevicesessionid_uiaarequest:
RwLock<BTreeMap<(Box<UserId>, Box<DeviceId>, String), CanonicalJsonValue>>,
}
impl Uiaa {
/// Creates a new Uiaa session. Make sure the session token is unique.
pub fn create(
&self,
user_id: &UserId,
device_id: &DeviceId,
uiaainfo: &UiaaInfo,
json_body: &CanonicalJsonValue,
) -> Result<()> {
self.set_uiaa_request(
user_id,
device_id,
uiaainfo.session.as_ref().expect("session should be set"), // TODO: better session error handling (why is it optional in ruma?)
json_body,
)?;
self.update_uiaa_session(
user_id,
device_id,
uiaainfo.session.as_ref().expect("session should be set"),
Some(uiaainfo),
)
}
pub fn try_auth(
&self,
user_id: &UserId,
device_id: &DeviceId,
auth: &IncomingAuthData,
uiaainfo: &UiaaInfo,
users: &super::users::Users,
globals: &super::globals::Globals,
) -> Result<(bool, UiaaInfo)> {
let mut uiaainfo = auth
.session()
.map(|session| self.get_uiaa_session(user_id, device_id, session))
.unwrap_or_else(|| Ok(uiaainfo.clone()))?;
if uiaainfo.session.is_none() {
uiaainfo.session = Some(utils::random_string(SESSION_ID_LENGTH));
}
match auth {
// Find out what the user completed
IncomingAuthData::Password(IncomingPassword {
identifier,
password,
..
}) => {
let username = match identifier {
UserIdOrLocalpart(username) => username,
_ => {
return Err(Error::BadRequest(
ErrorKind::Unrecognized,
"Identifier type not recognized.",
))
}
};
let user_id =
UserId::parse_with_server_name(username.clone(), globals.server_name())
.map_err(|_| {
Error::BadRequest(ErrorKind::InvalidParam, "User ID is invalid.")
})?;
// Check if password is correct
if let Some(hash) = users.password_hash(&user_id)? {
let hash_matches =
argon2::verify_encoded(&hash, password.as_bytes()).unwrap_or(false);
if !hash_matches {
uiaainfo.auth_error = Some(ruma::api::client::error::ErrorBody {
kind: ErrorKind::Forbidden,
message: "Invalid username or password.".to_owned(),
});
return Ok((false, uiaainfo));
}
}
// Password was correct! Let's add it to `completed`
uiaainfo.completed.push(AuthType::Password);
}
IncomingAuthData::Dummy(_) => {
uiaainfo.completed.push(AuthType::Dummy);
}
k => error!("type not supported: {:?}", k),
}
// Check if a flow now succeeds
let mut completed = false;
'flows: for flow in &mut uiaainfo.flows {
for stage in &flow.stages {
if !uiaainfo.completed.contains(stage) {
continue 'flows;
}
}
// We didn't break, so this flow succeeded!
completed = true;
}
if !completed {
self.update_uiaa_session(
user_id,
device_id,
uiaainfo.session.as_ref().expect("session is always set"),
Some(&uiaainfo),
)?;
return Ok((false, uiaainfo));
}
// UIAA was successful! Remove this session and return true
self.update_uiaa_session(
user_id,
device_id,
uiaainfo.session.as_ref().expect("session is always set"),
None,
)?;
Ok((true, uiaainfo))
}
fn set_uiaa_request(
&self,
user_id: &UserId,
device_id: &DeviceId,
session: &str,
request: &CanonicalJsonValue,
) -> Result<()> {
self.userdevicesessionid_uiaarequest
.write()
.unwrap()
.insert(
(user_id.to_owned(), device_id.to_owned(), session.to_owned()),
request.to_owned(),
);
Ok(())
}
pub fn get_uiaa_request(
&self,
user_id: &UserId,
device_id: &DeviceId,
session: &str,
) -> Option<CanonicalJsonValue> {
self.userdevicesessionid_uiaarequest
.read()
.unwrap()
.get(&(user_id.to_owned(), device_id.to_owned(), session.to_owned()))
.map(|j| j.to_owned())
}
fn update_uiaa_session(
&self,
user_id: &UserId,
device_id: &DeviceId,
session: &str,
uiaainfo: Option<&UiaaInfo>,
) -> Result<()> {
let mut userdevicesessionid = user_id.as_bytes().to_vec();
userdevicesessionid.push(0xff);
userdevicesessionid.extend_from_slice(device_id.as_bytes());
userdevicesessionid.push(0xff);
userdevicesessionid.extend_from_slice(session.as_bytes());
if let Some(uiaainfo) = uiaainfo {
self.userdevicesessionid_uiaainfo.insert(
&userdevicesessionid,
&serde_json::to_vec(&uiaainfo).expect("UiaaInfo::to_vec always works"),
)?;
} else {
self.userdevicesessionid_uiaainfo
.remove(&userdevicesessionid)?;
}
Ok(())
}
fn get_uiaa_session(
&self,
user_id: &UserId,
device_id: &DeviceId,
session: &str,
) -> Result<UiaaInfo> {
let mut userdevicesessionid = user_id.as_bytes().to_vec();
userdevicesessionid.push(0xff);
userdevicesessionid.extend_from_slice(device_id.as_bytes());
userdevicesessionid.push(0xff);
userdevicesessionid.extend_from_slice(session.as_bytes());
serde_json::from_slice(
&self
.userdevicesessionid_uiaainfo
.get(&userdevicesessionid)?
.ok_or(Error::BadRequest(
ErrorKind::Forbidden,
"UIAA session does not exist.",
))?,
)
.map_err(|_| Error::bad_database("UiaaInfo in userdeviceid_uiaainfo is invalid."))
}
}

227
src/service/uiaa/mod.rs Normal file
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use std::{
collections::BTreeMap,
sync::{Arc, RwLock},
};
use crate::{client_server::SESSION_ID_LENGTH, utils, Error, Result};
use ruma::{
api::client::{
error::ErrorKind,
uiaa::{
AuthType, IncomingAuthData, IncomingPassword,
IncomingUserIdentifier::UserIdOrLocalpart, UiaaInfo,
},
},
signatures::CanonicalJsonValue,
DeviceId, UserId,
};
use tracing::error;
use super::abstraction::Tree;
pub struct Uiaa {
pub(super) userdevicesessionid_uiaainfo: Arc<dyn Tree>, // User-interactive authentication
pub(super) userdevicesessionid_uiaarequest:
RwLock<BTreeMap<(Box<UserId>, Box<DeviceId>, String), CanonicalJsonValue>>,
}
impl Uiaa {
/// Creates a new Uiaa session. Make sure the session token is unique.
pub fn create(
&self,
user_id: &UserId,
device_id: &DeviceId,
uiaainfo: &UiaaInfo,
json_body: &CanonicalJsonValue,
) -> Result<()> {
self.set_uiaa_request(
user_id,
device_id,
uiaainfo.session.as_ref().expect("session should be set"), // TODO: better session error handling (why is it optional in ruma?)
json_body,
)?;
self.update_uiaa_session(
user_id,
device_id,
uiaainfo.session.as_ref().expect("session should be set"),
Some(uiaainfo),
)
}
pub fn try_auth(
&self,
user_id: &UserId,
device_id: &DeviceId,
auth: &IncomingAuthData,
uiaainfo: &UiaaInfo,
users: &super::users::Users,
globals: &super::globals::Globals,
) -> Result<(bool, UiaaInfo)> {
let mut uiaainfo = auth
.session()
.map(|session| self.get_uiaa_session(user_id, device_id, session))
.unwrap_or_else(|| Ok(uiaainfo.clone()))?;
if uiaainfo.session.is_none() {
uiaainfo.session = Some(utils::random_string(SESSION_ID_LENGTH));
}
match auth {
// Find out what the user completed
IncomingAuthData::Password(IncomingPassword {
identifier,
password,
..
}) => {
let username = match identifier {
UserIdOrLocalpart(username) => username,
_ => {
return Err(Error::BadRequest(
ErrorKind::Unrecognized,
"Identifier type not recognized.",
))
}
};
let user_id =
UserId::parse_with_server_name(username.clone(), globals.server_name())
.map_err(|_| {
Error::BadRequest(ErrorKind::InvalidParam, "User ID is invalid.")
})?;
// Check if password is correct
if let Some(hash) = users.password_hash(&user_id)? {
let hash_matches =
argon2::verify_encoded(&hash, password.as_bytes()).unwrap_or(false);
if !hash_matches {
uiaainfo.auth_error = Some(ruma::api::client::error::ErrorBody {
kind: ErrorKind::Forbidden,
message: "Invalid username or password.".to_owned(),
});
return Ok((false, uiaainfo));
}
}
// Password was correct! Let's add it to `completed`
uiaainfo.completed.push(AuthType::Password);
}
IncomingAuthData::Dummy(_) => {
uiaainfo.completed.push(AuthType::Dummy);
}
k => error!("type not supported: {:?}", k),
}
// Check if a flow now succeeds
let mut completed = false;
'flows: for flow in &mut uiaainfo.flows {
for stage in &flow.stages {
if !uiaainfo.completed.contains(stage) {
continue 'flows;
}
}
// We didn't break, so this flow succeeded!
completed = true;
}
if !completed {
self.update_uiaa_session(
user_id,
device_id,
uiaainfo.session.as_ref().expect("session is always set"),
Some(&uiaainfo),
)?;
return Ok((false, uiaainfo));
}
// UIAA was successful! Remove this session and return true
self.update_uiaa_session(
user_id,
device_id,
uiaainfo.session.as_ref().expect("session is always set"),
None,
)?;
Ok((true, uiaainfo))
}
fn set_uiaa_request(
&self,
user_id: &UserId,
device_id: &DeviceId,
session: &str,
request: &CanonicalJsonValue,
) -> Result<()> {
self.userdevicesessionid_uiaarequest
.write()
.unwrap()
.insert(
(user_id.to_owned(), device_id.to_owned(), session.to_owned()),
request.to_owned(),
);
Ok(())
}
pub fn get_uiaa_request(
&self,
user_id: &UserId,
device_id: &DeviceId,
session: &str,
) -> Option<CanonicalJsonValue> {
self.userdevicesessionid_uiaarequest
.read()
.unwrap()
.get(&(user_id.to_owned(), device_id.to_owned(), session.to_owned()))
.map(|j| j.to_owned())
}
fn update_uiaa_session(
&self,
user_id: &UserId,
device_id: &DeviceId,
session: &str,
uiaainfo: Option<&UiaaInfo>,
) -> Result<()> {
let mut userdevicesessionid = user_id.as_bytes().to_vec();
userdevicesessionid.push(0xff);
userdevicesessionid.extend_from_slice(device_id.as_bytes());
userdevicesessionid.push(0xff);
userdevicesessionid.extend_from_slice(session.as_bytes());
if let Some(uiaainfo) = uiaainfo {
self.userdevicesessionid_uiaainfo.insert(
&userdevicesessionid,
&serde_json::to_vec(&uiaainfo).expect("UiaaInfo::to_vec always works"),
)?;
} else {
self.userdevicesessionid_uiaainfo
.remove(&userdevicesessionid)?;
}
Ok(())
}
fn get_uiaa_session(
&self,
user_id: &UserId,
device_id: &DeviceId,
session: &str,
) -> Result<UiaaInfo> {
let mut userdevicesessionid = user_id.as_bytes().to_vec();
userdevicesessionid.push(0xff);
userdevicesessionid.extend_from_slice(device_id.as_bytes());
userdevicesessionid.push(0xff);
userdevicesessionid.extend_from_slice(session.as_bytes());
serde_json::from_slice(
&self
.userdevicesessionid_uiaainfo
.get(&userdevicesessionid)?
.ok_or(Error::BadRequest(
ErrorKind::Forbidden,
"UIAA session does not exist.",
))?,
)
.map_err(|_| Error::bad_database("UiaaInfo in userdeviceid_uiaainfo is invalid."))
}
}