overleaf/services/real-time/app/js/SessionSockets.js

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const metrics = require('@overleaf/metrics')
const OError = require('@overleaf/o-error')
const { EventEmitter } = require('events')
const { MissingSessionError } = require('./Errors')
module.exports = function (io, sessionStore, cookieParser, cookieName) {
const missingSessionError = new MissingSessionError()
const sessionSockets = new EventEmitter()
[misc] reland decaff cleanup (#166) * [misc] decaff cleanup: RoomManager * [misc] decaff cleanup: RedisClientManager * [misc] decaff cleanup: SafeJsonParse * [misc] decaff cleanup: WebApiManager * [misc] decaff cleanup: WebsocketController * [misc] decaff cleanup: WebsocketLoadBalancer * [misc] decaff cleanup: SessionSockets * [misc] decaff cleanup: HttpController * [misc] decaff cleanup: HttpApiController * [misc] decaff cleanup: HealthCheckManager * [misc] decaff cleanup: EventLogger * [misc] decaff cleanup: Errors o-error will eliminate most of it -- when we migrate over. * [misc] decaff cleanup: DrainManager * [misc] decaff cleanup: DocumentUpdaterManager * [misc] decaff cleanup: DocumentUpdaterController: no-unused-vars * [misc] decaff cleanup: DocumentUpdaterController: Array.from * [misc] decaff cleanup: DocumentUpdaterController: implicit return * [misc] decaff cleanup: DocumentUpdaterController: IIFE * [misc] decaff cleanup: DocumentUpdaterController: null checks * [misc] decaff cleanup: DocumentUpdaterController: simpler loops * [misc] decaff cleanup: DocumentUpdaterController: move module name def * [misc] decaff cleanup: ConnectedUsersManager: handle-callback-err * [misc] decaff cleanup: ConnectedUsersManager: implicit returns * [misc] decaff cleanup: ConnectedUsersManager: null checks * [misc] decaff cleanup: ChannelManager: no-unused-vars * [misc] decaff cleanup: ChannelManager: implicit returns * [misc] decaff cleanup: ChannelManager: other cleanup - var -> const - drop variable assignment before return * [misc] decaff cleanup: AuthorizationManager: handle-callback-err Note: This requires a change in WebsocketController to provide a dummy callback. * [misc] decaff cleanup: AuthorizationManager: Array.from * [misc] decaff cleanup: AuthorizationManager: implicit returns * [misc] decaff cleanup: AuthorizationManager: null checks * [misc] decaff cleanup: Router: handle-callback-err * [misc] decaff cleanup: Router: standard/no-callback-literal * [misc] decaff cleanup: Router: Array.from * [misc] decaff cleanup: Router: implicit returns * [misc] decaff cleanup: Router: refactor __guard__ wrapper * [misc] decaff cleanup: Router: null checks And a minor bug fix: user.id -> user._id * [misc] decaff cleanup: Router: move variable declarations to assignments * [misc] decaff cleanup: app: implicit returns * [misc] decaff cleanup: app: __guard__ * [misc] decaff cleanup: app: null checks * [misc] decaff cleanup: app: function definitions * [misc] decaff cleanup: app: drop unused next argument * [misc] decaff cleanup: app: var -> const
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function next(error, socket, session) {
sessionSockets.emit('connection', error, socket, session)
[misc] reland decaff cleanup (#166) * [misc] decaff cleanup: RoomManager * [misc] decaff cleanup: RedisClientManager * [misc] decaff cleanup: SafeJsonParse * [misc] decaff cleanup: WebApiManager * [misc] decaff cleanup: WebsocketController * [misc] decaff cleanup: WebsocketLoadBalancer * [misc] decaff cleanup: SessionSockets * [misc] decaff cleanup: HttpController * [misc] decaff cleanup: HttpApiController * [misc] decaff cleanup: HealthCheckManager * [misc] decaff cleanup: EventLogger * [misc] decaff cleanup: Errors o-error will eliminate most of it -- when we migrate over. * [misc] decaff cleanup: DrainManager * [misc] decaff cleanup: DocumentUpdaterManager * [misc] decaff cleanup: DocumentUpdaterController: no-unused-vars * [misc] decaff cleanup: DocumentUpdaterController: Array.from * [misc] decaff cleanup: DocumentUpdaterController: implicit return * [misc] decaff cleanup: DocumentUpdaterController: IIFE * [misc] decaff cleanup: DocumentUpdaterController: null checks * [misc] decaff cleanup: DocumentUpdaterController: simpler loops * [misc] decaff cleanup: DocumentUpdaterController: move module name def * [misc] decaff cleanup: ConnectedUsersManager: handle-callback-err * [misc] decaff cleanup: ConnectedUsersManager: implicit returns * [misc] decaff cleanup: ConnectedUsersManager: null checks * [misc] decaff cleanup: ChannelManager: no-unused-vars * [misc] decaff cleanup: ChannelManager: implicit returns * [misc] decaff cleanup: ChannelManager: other cleanup - var -> const - drop variable assignment before return * [misc] decaff cleanup: AuthorizationManager: handle-callback-err Note: This requires a change in WebsocketController to provide a dummy callback. * [misc] decaff cleanup: AuthorizationManager: Array.from * [misc] decaff cleanup: AuthorizationManager: implicit returns * [misc] decaff cleanup: AuthorizationManager: null checks * [misc] decaff cleanup: Router: handle-callback-err * [misc] decaff cleanup: Router: standard/no-callback-literal * [misc] decaff cleanup: Router: Array.from * [misc] decaff cleanup: Router: implicit returns * [misc] decaff cleanup: Router: refactor __guard__ wrapper * [misc] decaff cleanup: Router: null checks And a minor bug fix: user.id -> user._id * [misc] decaff cleanup: Router: move variable declarations to assignments * [misc] decaff cleanup: app: implicit returns * [misc] decaff cleanup: app: __guard__ * [misc] decaff cleanup: app: null checks * [misc] decaff cleanup: app: function definitions * [misc] decaff cleanup: app: drop unused next argument * [misc] decaff cleanup: app: var -> const
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}
io.on('connection', function (socket) {
const req = socket.handshake
[misc] reland decaff cleanup (#166) * [misc] decaff cleanup: RoomManager * [misc] decaff cleanup: RedisClientManager * [misc] decaff cleanup: SafeJsonParse * [misc] decaff cleanup: WebApiManager * [misc] decaff cleanup: WebsocketController * [misc] decaff cleanup: WebsocketLoadBalancer * [misc] decaff cleanup: SessionSockets * [misc] decaff cleanup: HttpController * [misc] decaff cleanup: HttpApiController * [misc] decaff cleanup: HealthCheckManager * [misc] decaff cleanup: EventLogger * [misc] decaff cleanup: Errors o-error will eliminate most of it -- when we migrate over. * [misc] decaff cleanup: DrainManager * [misc] decaff cleanup: DocumentUpdaterManager * [misc] decaff cleanup: DocumentUpdaterController: no-unused-vars * [misc] decaff cleanup: DocumentUpdaterController: Array.from * [misc] decaff cleanup: DocumentUpdaterController: implicit return * [misc] decaff cleanup: DocumentUpdaterController: IIFE * [misc] decaff cleanup: DocumentUpdaterController: null checks * [misc] decaff cleanup: DocumentUpdaterController: simpler loops * [misc] decaff cleanup: DocumentUpdaterController: move module name def * [misc] decaff cleanup: ConnectedUsersManager: handle-callback-err * [misc] decaff cleanup: ConnectedUsersManager: implicit returns * [misc] decaff cleanup: ConnectedUsersManager: null checks * [misc] decaff cleanup: ChannelManager: no-unused-vars * [misc] decaff cleanup: ChannelManager: implicit returns * [misc] decaff cleanup: ChannelManager: other cleanup - var -> const - drop variable assignment before return * [misc] decaff cleanup: AuthorizationManager: handle-callback-err Note: This requires a change in WebsocketController to provide a dummy callback. * [misc] decaff cleanup: AuthorizationManager: Array.from * [misc] decaff cleanup: AuthorizationManager: implicit returns * [misc] decaff cleanup: AuthorizationManager: null checks * [misc] decaff cleanup: Router: handle-callback-err * [misc] decaff cleanup: Router: standard/no-callback-literal * [misc] decaff cleanup: Router: Array.from * [misc] decaff cleanup: Router: implicit returns * [misc] decaff cleanup: Router: refactor __guard__ wrapper * [misc] decaff cleanup: Router: null checks And a minor bug fix: user.id -> user._id * [misc] decaff cleanup: Router: move variable declarations to assignments * [misc] decaff cleanup: app: implicit returns * [misc] decaff cleanup: app: __guard__ * [misc] decaff cleanup: app: null checks * [misc] decaff cleanup: app: function definitions * [misc] decaff cleanup: app: drop unused next argument * [misc] decaff cleanup: app: var -> const
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cookieParser(req, {}, function () {
const sessionId = req.signedCookies && req.signedCookies[cookieName]
if (!sessionId) {
metrics.inc('session.cookie', 1, {
// the cookie-parser middleware sets the signed cookie to false if the
// signature is invalid, so we can use this to detect bad signatures
status: sessionId === false ? 'bad-signature' : 'none',
})
return next(missingSessionError, socket)
}
[misc] reland decaff cleanup (#166) * [misc] decaff cleanup: RoomManager * [misc] decaff cleanup: RedisClientManager * [misc] decaff cleanup: SafeJsonParse * [misc] decaff cleanup: WebApiManager * [misc] decaff cleanup: WebsocketController * [misc] decaff cleanup: WebsocketLoadBalancer * [misc] decaff cleanup: SessionSockets * [misc] decaff cleanup: HttpController * [misc] decaff cleanup: HttpApiController * [misc] decaff cleanup: HealthCheckManager * [misc] decaff cleanup: EventLogger * [misc] decaff cleanup: Errors o-error will eliminate most of it -- when we migrate over. * [misc] decaff cleanup: DrainManager * [misc] decaff cleanup: DocumentUpdaterManager * [misc] decaff cleanup: DocumentUpdaterController: no-unused-vars * [misc] decaff cleanup: DocumentUpdaterController: Array.from * [misc] decaff cleanup: DocumentUpdaterController: implicit return * [misc] decaff cleanup: DocumentUpdaterController: IIFE * [misc] decaff cleanup: DocumentUpdaterController: null checks * [misc] decaff cleanup: DocumentUpdaterController: simpler loops * [misc] decaff cleanup: DocumentUpdaterController: move module name def * [misc] decaff cleanup: ConnectedUsersManager: handle-callback-err * [misc] decaff cleanup: ConnectedUsersManager: implicit returns * [misc] decaff cleanup: ConnectedUsersManager: null checks * [misc] decaff cleanup: ChannelManager: no-unused-vars * [misc] decaff cleanup: ChannelManager: implicit returns * [misc] decaff cleanup: ChannelManager: other cleanup - var -> const - drop variable assignment before return * [misc] decaff cleanup: AuthorizationManager: handle-callback-err Note: This requires a change in WebsocketController to provide a dummy callback. * [misc] decaff cleanup: AuthorizationManager: Array.from * [misc] decaff cleanup: AuthorizationManager: implicit returns * [misc] decaff cleanup: AuthorizationManager: null checks * [misc] decaff cleanup: Router: handle-callback-err * [misc] decaff cleanup: Router: standard/no-callback-literal * [misc] decaff cleanup: Router: Array.from * [misc] decaff cleanup: Router: implicit returns * [misc] decaff cleanup: Router: refactor __guard__ wrapper * [misc] decaff cleanup: Router: null checks And a minor bug fix: user.id -> user._id * [misc] decaff cleanup: Router: move variable declarations to assignments * [misc] decaff cleanup: app: implicit returns * [misc] decaff cleanup: app: __guard__ * [misc] decaff cleanup: app: null checks * [misc] decaff cleanup: app: function definitions * [misc] decaff cleanup: app: drop unused next argument * [misc] decaff cleanup: app: var -> const
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sessionStore.get(sessionId, function (error, session) {
if (error) {
metrics.inc('session.cookie', 1, { status: 'error' })
OError.tag(error, 'error getting session from sessionStore', {
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sessionId,
})
return next(error, socket)
}
if (!session) {
metrics.inc('session.cookie', 1, { status: 'missing' })
return next(missingSessionError, socket)
}
metrics.inc('session.cookie', 1, { status: 'signed' })
[misc] reland decaff cleanup (#166) * [misc] decaff cleanup: RoomManager * [misc] decaff cleanup: RedisClientManager * [misc] decaff cleanup: SafeJsonParse * [misc] decaff cleanup: WebApiManager * [misc] decaff cleanup: WebsocketController * [misc] decaff cleanup: WebsocketLoadBalancer * [misc] decaff cleanup: SessionSockets * [misc] decaff cleanup: HttpController * [misc] decaff cleanup: HttpApiController * [misc] decaff cleanup: HealthCheckManager * [misc] decaff cleanup: EventLogger * [misc] decaff cleanup: Errors o-error will eliminate most of it -- when we migrate over. * [misc] decaff cleanup: DrainManager * [misc] decaff cleanup: DocumentUpdaterManager * [misc] decaff cleanup: DocumentUpdaterController: no-unused-vars * [misc] decaff cleanup: DocumentUpdaterController: Array.from * [misc] decaff cleanup: DocumentUpdaterController: implicit return * [misc] decaff cleanup: DocumentUpdaterController: IIFE * [misc] decaff cleanup: DocumentUpdaterController: null checks * [misc] decaff cleanup: DocumentUpdaterController: simpler loops * [misc] decaff cleanup: DocumentUpdaterController: move module name def * [misc] decaff cleanup: ConnectedUsersManager: handle-callback-err * [misc] decaff cleanup: ConnectedUsersManager: implicit returns * [misc] decaff cleanup: ConnectedUsersManager: null checks * [misc] decaff cleanup: ChannelManager: no-unused-vars * [misc] decaff cleanup: ChannelManager: implicit returns * [misc] decaff cleanup: ChannelManager: other cleanup - var -> const - drop variable assignment before return * [misc] decaff cleanup: AuthorizationManager: handle-callback-err Note: This requires a change in WebsocketController to provide a dummy callback. * [misc] decaff cleanup: AuthorizationManager: Array.from * [misc] decaff cleanup: AuthorizationManager: implicit returns * [misc] decaff cleanup: AuthorizationManager: null checks * [misc] decaff cleanup: Router: handle-callback-err * [misc] decaff cleanup: Router: standard/no-callback-literal * [misc] decaff cleanup: Router: Array.from * [misc] decaff cleanup: Router: implicit returns * [misc] decaff cleanup: Router: refactor __guard__ wrapper * [misc] decaff cleanup: Router: null checks And a minor bug fix: user.id -> user._id * [misc] decaff cleanup: Router: move variable declarations to assignments * [misc] decaff cleanup: app: implicit returns * [misc] decaff cleanup: app: __guard__ * [misc] decaff cleanup: app: null checks * [misc] decaff cleanup: app: function definitions * [misc] decaff cleanup: app: drop unused next argument * [misc] decaff cleanup: app: var -> const
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next(null, socket, session)
})
})
})
return sessionSockets
}