overleaf/services/web/app/coffee/Features/User/UserSessionsManager.coffee
2017-08-03 13:17:39 +01:00

157 lines
5.8 KiB
CoffeeScript

Settings = require('settings-sharelatex')
logger = require("logger-sharelatex")
Async = require('async')
_ = require('underscore')
UserSessionsRedis = require('./UserSessionsRedis')
rclient = UserSessionsRedis.client()
module.exports = UserSessionsManager =
# mimic the key used by the express sessions
_sessionKey: (sessionId) ->
return "sess:#{sessionId}"
trackSession: (user, sessionId, callback=(err)-> ) ->
if !user?
logger.log {sessionId}, "no user to track, returning"
return callback(null)
if !sessionId?
logger.log {user_id: user._id}, "no sessionId to track, returning"
return callback(null)
logger.log {user_id: user._id, sessionId}, "onLogin handler"
sessionSetKey = UserSessionsRedis.sessionSetKey(user)
value = UserSessionsManager._sessionKey sessionId
rclient.multi()
.sadd(sessionSetKey, value)
.expire(sessionSetKey, "#{Settings.cookieSessionLength}")
.exec (err, response) ->
if err?
logger.err {err, user_id: user._id, sessionSetKey}, "error while adding session key to UserSessions set"
return callback(err)
UserSessionsManager._checkSessions(user, () ->)
callback()
untrackSession: (user, sessionId, callback=(err)-> ) ->
if !user?
logger.log {sessionId}, "no user to untrack, returning"
return callback(null)
if !sessionId?
logger.log {user_id: user._id}, "no sessionId to untrack, returning"
return callback(null)
logger.log {user_id: user._id, sessionId}, "onLogout handler"
sessionSetKey = UserSessionsRedis.sessionSetKey(user)
value = UserSessionsManager._sessionKey sessionId
rclient.multi()
.srem(sessionSetKey, value)
.expire(sessionSetKey, "#{Settings.cookieSessionLength}")
.exec (err, response) ->
if err?
logger.err {err, user_id: user._id, sessionSetKey}, "error while removing session key from UserSessions set"
return callback(err)
UserSessionsManager._checkSessions(user, () ->)
callback()
getAllUserSessions: (user, exclude, callback=(err, sessionKeys)->) ->
exclude = _.map(exclude, UserSessionsManager._sessionKey)
sessionSetKey = UserSessionsRedis.sessionSetKey(user)
rclient.smembers sessionSetKey, (err, sessionKeys) ->
if err?
logger.err user_id: user._id, "error getting all session keys for user from redis"
return callback(err)
sessionKeys = _.filter sessionKeys, (k) -> !(_.contains(exclude, k))
if sessionKeys.length == 0
logger.log {user_id: user._id}, "no other sessions found, returning"
return callback(null, [])
Async.mapSeries sessionKeys, ((k, cb) -> rclient.get(k, cb)), (err, sessions) ->
if err?
logger.err {user_id: user._id}, "error getting all sessions for user from redis"
return callback(err)
result = []
for session in sessions
if session is null
continue
session = JSON.parse(session)
session_user = session?.user or session?.passport?.user
result.push {
ip_address: session_user.ip_address,
session_created: session_user.session_created
}
return callback(null, result)
revokeAllUserSessions: (user, retain, callback=(err)->) ->
if !retain?
retain = []
retain = retain.map((i) -> UserSessionsManager._sessionKey(i))
if !user?
logger.log {}, "no user to revoke sessions for, returning"
return callback(null)
logger.log {user_id: user._id}, "revoking all existing sessions for user"
sessionSetKey = UserSessionsRedis.sessionSetKey(user)
rclient.smembers sessionSetKey, (err, sessionKeys) ->
if err?
logger.err {err, user_id: user._id, sessionSetKey}, "error getting contents of UserSessions set"
return callback(err)
keysToDelete = _.filter(sessionKeys, (k) -> k not in retain)
if keysToDelete.length == 0
logger.log {user_id: user._id}, "no sessions in UserSessions set to delete, returning"
return callback(null)
logger.log {user_id: user._id, count: keysToDelete.length}, "deleting sessions for user"
deletions = keysToDelete.map (k) ->
(cb) ->
rclient.del k, cb
Async.series deletions, (err, _result) ->
if err?
logger.err {err, user_id: user._id, sessionSetKey}, "errror revoking all sessions for user"
return callback(err)
rclient.srem sessionSetKey, keysToDelete, (err) ->
if err?
logger.err {err, user_id: user._id, sessionSetKey}, "error removing session set for user"
return callback(err)
callback(null)
touch: (user, callback=(err)->) ->
if !user?
logger.log {}, "no user to touch sessions for, returning"
return callback(null)
sessionSetKey = UserSessionsRedis.sessionSetKey(user)
rclient.expire sessionSetKey, "#{Settings.cookieSessionLength}", (err, response) ->
if err?
logger.err {err, user_id: user._id}, "error while updating ttl on UserSessions set"
return callback(err)
callback(null)
_checkSessions: (user, callback=(err)->) ->
if !user?
logger.log {}, "no user, returning"
return callback(null)
logger.log {user_id: user._id}, "checking sessions for user"
sessionSetKey = UserSessionsRedis.sessionSetKey(user)
rclient.smembers sessionSetKey, (err, sessionKeys) ->
if err?
logger.err {err, user_id: user._id, sessionSetKey}, "error getting contents of UserSessions set"
return callback(err)
logger.log {user_id: user._id, count: sessionKeys.length}, "checking sessions for user"
Async.series(
sessionKeys.map(
(key) ->
(next) ->
rclient.get key, (err, val) ->
if err?
return next(err)
if !val?
logger.log {user_id: user._id, key}, ">> removing key from UserSessions set"
rclient.srem sessionSetKey, key, (err, result) ->
if err?
return next(err)
return next(null)
else
next()
)
, (err, results) ->
logger.log {user_id: user._id}, "done checking sessions for user"
return callback(err)
)