improvement: add option to get device id from token

This commit is contained in:
timokoesters 2020-05-10 18:30:12 +02:00
parent ee0d6940bd
commit 1dbde0e1c1
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GPG key ID: 24DA7517711A2BA4
4 changed files with 36 additions and 24 deletions

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@ -8,7 +8,7 @@ pub struct Users {
pub(super) userid_avatarurl: sled::Tree,
pub(super) userdeviceids: sled::Tree,
pub(super) userdeviceid_token: sled::Tree,
pub(super) token_userid: sled::Tree,
pub(super) token_userdeviceid: sled::Tree,
}
impl Users {
@ -24,12 +24,23 @@ impl Users {
}
/// Find out which user an access token belongs to.
pub fn find_from_token(&self, token: &str) -> Result<Option<UserId>> {
self.token_userid.get(token)?.map_or(Ok(None), |bytes| {
utils::string_from_bytes(&bytes)
.and_then(|string| Ok(UserId::try_from(string)?))
.map(Some)
})
pub fn find_from_token(&self, token: &str) -> Result<Option<(UserId, String)>> {
self.token_userdeviceid
.get(token)?
.map_or(Ok(None), |bytes| {
let mut parts = bytes.split(|&b| b == 0xff);
let user_bytes = parts
.next()
.ok_or(Error::BadDatabase("token_userdeviceid value invalid"))?;
let device_bytes = parts
.next()
.ok_or(Error::BadDatabase("token_userdeviceid value invalid"))?;
Ok(Some((
UserId::try_from(utils::string_from_bytes(&user_bytes)?)?,
utils::string_from_bytes(&device_bytes)?,
)))
})
}
/// Returns an iterator over all users on this homeserver.
@ -105,27 +116,25 @@ impl Users {
/// Replaces the access token of one device.
pub fn set_token(&self, user_id: &UserId, device_id: &str, token: &str) -> Result<()> {
let mut key = user_id.to_string().as_bytes().to_vec();
key.push(0xff);
key.extend_from_slice(device_id.as_bytes());
let mut userdeviceid = user_id.to_string().as_bytes().to_vec();
userdeviceid.push(0xff);
userdeviceid.extend_from_slice(device_id.as_bytes());
if self.userdeviceids.get(&key)?.is_none() {
if self.userdeviceids.get(&userdeviceid)?.is_none() {
return Err(Error::BadRequest(
"Tried to set token for nonexistent device",
));
}
// Remove old token
if let Some(old_token) = self.userdeviceid_token.get(&key)? {
self.token_userid.remove(old_token)?;
if let Some(old_token) = self.userdeviceid_token.get(&userdeviceid)? {
self.token_userdeviceid.remove(old_token)?;
// It will be removed from userdeviceid_token by the insert later
}
// Assign token to device_id
self.userdeviceid_token.insert(key, &*token)?;
// Assign token to user
self.token_userid.insert(token, &*user_id.to_string())?;
// Assign token to user device combination
self.userdeviceid_token.insert(&userdeviceid, &*token)?;
self.token_userdeviceid.insert(token, userdeviceid)?;
Ok(())
}