Remove old chat code

This commit is contained in:
Daniel Lugo 2021-07-21 13:40:48 -04:00
parent 148b42c5ed
commit c70062b86f
5 changed files with 0 additions and 569 deletions

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@ -1,56 +0,0 @@
/** @format */
const logger = require('winston')
const size = require('lodash/size')
const Key = require('../key')
/**
* @typedef {Record<string, string|null|undefined>} Addresses
*/
/** @type {Addresses} */
const pubToAddress = {}
/** @type {Set<() => void>} */
const listeners = new Set()
listeners.add(() => {
logger.info(`pubToAddress length: ${size(pubToAddress)}`)
})
const notify = () => listeners.forEach(l => l())
/** @type {Set<string>} */
const subbedPublicKeys = new Set()
/**
* @param {() => void} cb
* @param {string=} pub
*/
const onAddresses = (cb, pub) => {
listeners.add(cb)
cb()
if (pub && subbedPublicKeys.add(pub)) {
require('../../Mediator')
.getGun()
.user(pub)
.get(Key.CURRENT_HANDSHAKE_ADDRESS)
.on(addr => {
if (typeof addr === 'string' || addr === null) {
pubToAddress[pub] = addr
} else {
pubToAddress[pub] = null
}
notify()
})
}
return () => {
listeners.delete(cb)
}
}
const getAddresses = () => pubToAddress
module.exports = {
onAddresses,
getAddresses
}

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@ -1,98 +1,6 @@
/** @format */ /** @format */
const { Schema, Utils: CommonUtils } = require('shock-common')
const Key = require('../key')
const Utils = require('../utils')
/**
* @typedef {import('shock-common').Schema.StoredRequest} StoredRequest
* @typedef {(reqs: StoredRequest[]) => void} StoredRequestsListener
*/
/** @type {Set<StoredRequestsListener>} */
const storedRequestsListeners = new Set()
/**
* @type {StoredRequest[]}
*/
let encryptedStoredReqs = []
/**
* @type {StoredRequest[]}
*/
let currentStoredReqs = []
const getStoredReqs = () => currentStoredReqs
const processStoredReqs = async () => {
const ereqs = encryptedStoredReqs
encryptedStoredReqs = []
const mySecret = await Utils.mySecret()
const SEA = require('../../Mediator').mySEA
const finalReqs = await CommonUtils.asyncMap(ereqs, async er => {
/** @type {StoredRequest} */
const r = {
handshakeAddress: await SEA.decrypt(er.handshakeAddress, mySecret),
recipientPub: await SEA.decrypt(er.recipientPub, mySecret),
sentReqID: await SEA.decrypt(er.sentReqID, mySecret),
timestamp: er.timestamp
}
return r
})
currentStoredReqs = finalReqs
storedRequestsListeners.forEach(l => l(currentStoredReqs))
}
let storedReqsSubbed = false
/**
* @param {StoredRequestsListener} cb
*/
const onStoredReqs = cb => {
storedRequestsListeners.add(cb)
if (!storedReqsSubbed) {
require('../../Mediator')
.getUser()
.get(Key.STORED_REQS)
.open(d => {
if (typeof d === 'object' && d !== null) {
//@ts-ignore
encryptedStoredReqs = /** @type {StoredRequest[]} */ (Object.values(
d
).filter(i => Schema.isStoredRequest(i)))
}
processStoredReqs()
})
storedReqsSubbed = true
}
cb(currentStoredReqs)
return () => {
storedRequestsListeners.delete(cb)
}
}
module.exports = { module.exports = {
onPubToIncoming: require('./pubToIncoming').onPubToIncoming,
getPubToIncoming: require('./pubToIncoming').getPubToIncoming,
setPubToIncoming: require('./pubToIncoming').setPubToIncoming,
onPubToFeed: require('./pubToFeed').onPubToFeed,
getPubToFeed: require('./pubToFeed').getPubToFeed,
onStoredReqs,
getStoredReqs,
onAddresses: require('./addresses').onAddresses,
getAddresses: require('./addresses').getAddresses,
onLastSentReqIDs: require('./lastSentReqID').onLastSentReqIDs,
getSentReqIDs: require('./lastSentReqID').getSentReqIDs,
PubToIncoming: require('./pubToIncoming'),
getPubToLastSeenApp: require('./pubToLastSeenApp').getPubToLastSeenApp, getPubToLastSeenApp: require('./pubToLastSeenApp').getPubToLastSeenApp,
onPubToLastSeenApp: require('./pubToLastSeenApp').on onPubToLastSeenApp: require('./pubToLastSeenApp').on
} }

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@ -1,56 +0,0 @@
/** @format */
const logger = require('winston')
const { Constants } = require('shock-common')
const Key = require('../key')
/** @type {Record<string, string|null|undefined>} */
let pubToLastSentReqID = {}
/** @type {Set<() => void>} */
const listeners = new Set()
const notify = () => listeners.forEach(l => l())
let subbed = false
/**
* @param {() => void} cb
*/
const onLastSentReqIDs = cb => {
listeners.add(cb)
cb()
if (!subbed) {
const user = require('../../Mediator').getUser()
if (!user.is) {
logger.warn('lastSentReqID() -> tried to sub without authing')
throw new Error(Constants.ErrorCode.NOT_AUTH)
}
user.get(Key.USER_TO_LAST_REQUEST_SENT).open(data => {
if (typeof data === 'object' && data !== null) {
for (const [pub, id] of Object.entries(data)) {
if (typeof id === 'string' || id === null) {
pubToLastSentReqID[pub] = id
}
}
} else {
pubToLastSentReqID = {}
}
notify()
})
subbed = true
}
return () => {
listeners.delete(cb)
}
}
const getSentReqIDs = () => pubToLastSentReqID
module.exports = {
onLastSentReqIDs,
getSentReqIDs
}

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@ -1,260 +0,0 @@
/** @format */
const uuidv1 = require('uuid/v1')
const logger = require('winston')
const debounce = require('lodash/debounce')
const { Schema, Utils: CommonUtils } = require('shock-common')
const size = require('lodash/size')
const Key = require('../key')
const Utils = require('../utils')
/**
* @typedef {import('shock-common').Schema.ChatMessage} Message
* @typedef {import('../SimpleGUN').OpenListenerData} OpenListenerData
*/
const PubToIncoming = require('./pubToIncoming')
/**
* @typedef {Record<string, Message[]|null|undefined|'disconnected'>} Feeds
* @typedef {(feeds: Feeds) => void} FeedsListener
*/
/** @type {Set<FeedsListener>} */
const feedsListeners = new Set()
/**
* @type {Feeds}
*/
let pubToFeed = {}
const getPubToFeed = () => pubToFeed
feedsListeners.add(() => {
logger.info(`new pubToFeed length: ${size(getPubToFeed())}`)
})
/** @param {Feeds} ptf */
const setPubToFeed = ptf => {
pubToFeed = ptf
feedsListeners.forEach(l => {
l(pubToFeed)
})
}
/**
* If at one point we subscribed to a feed, record it here. Keeps track of it
* for unsubbing.
*
* Since we can't really unsub in GUN, what we do is that each listener created
* checks the last incoming feed, if it was created for other feed that is not
* the latest, it becomes inactive.
* @type {Record<string, string|undefined|null>}
*/
const pubToLastIncoming = {}
/**
* Any pub-feed pair listener will write its update id here when fired up. Avoid
* race conditions between different listeners and between different invocations
* of the same listener.
* @type {Record<string, string>}
*/
const pubToLastUpdate = {}
/**
* Performs a sub to a pub feed pair that will only emit if it is the last
* subbed feed for that pub, according to `pubToLastIncoming`. This listener is
* not in charge of writing to the cache.
* @param {[ string , string ]} param0
* @returns {(data: OpenListenerData) => void}
*/
const onOpenForPubFeedPair = ([pub, feed]) =>
debounce(async data => {
try {
// did invalidate
if (pubToLastIncoming[pub] !== feed) {
return
}
if (
// did disconnect
data === null ||
// interpret as disconnect
typeof data !== 'object'
) {
// invalidate this listener. If a reconnection happens it will be for a
// different pub-feed pair.
pubToLastIncoming[pub] = null
setImmediate(() => {
logger.info(
`onOpenForPubFeedPair -> didDisconnect -> pub: ${pub} - feed: ${feed}`
)
})
// signal disconnect to listeners listeners should rely on pubToFeed for
// disconnect status instead of pub-to-incoming. Only the latter will
// detect remote disconnection
setPubToFeed({
...getPubToFeed(),
[pub]: /** @type {'disconnected'} */ ('disconnected')
})
return
}
//@ts-ignore
const incoming = /** @type {import('shock-common').Schema.Outgoing} */ (data)
// incomplete data, let's not assume anything
if (
typeof incoming.with !== 'string' ||
typeof incoming.messages !== 'object'
) {
return
}
/** @type {import('shock-common').Schema.ChatMessage[]} */
const newMsgs = Object.entries(incoming.messages)
// filter out messages with incomplete data
.filter(([_, msg]) => Schema.isMessage(msg))
.map(([id, msg]) => {
/** @type {import('shock-common').Schema.ChatMessage} */
const m = {
// we'll decrypt later
body: msg.body,
id,
outgoing: false,
timestamp: msg.timestamp
}
return m
})
if (newMsgs.length === 0) {
setPubToFeed({
...getPubToFeed(),
[pub]: []
})
return
}
const thisUpdate = uuidv1()
pubToLastUpdate[pub] = thisUpdate
const user = require('../../Mediator').getUser()
if (!user.is) {
logger.warn('pubToFeed -> onOpenForPubFeedPair() -> user is not auth')
}
const SEA = require('../../Mediator').mySEA
const ourSecret = await SEA.secret(await Utils.pubToEpub(pub), user._.sea)
const decryptedMsgs = await CommonUtils.asyncMap(newMsgs, async m => {
/** @type {import('shock-common').Schema.ChatMessage} */
const decryptedMsg = {
...m,
body: await SEA.decrypt(m.body, ourSecret)
}
return decryptedMsg
})
// this listener got invalidated while we were awaiting the async operations
// above.
if (pubToLastUpdate[pub] !== thisUpdate) {
return
}
setPubToFeed({
...getPubToFeed(),
[pub]: decryptedMsgs
})
} catch (err) {
logger.warn(`error inside pub to pk-feed pair: ${pub} -- ${feed}`)
logger.error(err)
}
}, 750)
const react = () => {
const pubToIncoming = PubToIncoming.getPubToIncoming()
const gun = require('../../Mediator').getGun()
/** @type {Feeds} */
const newPubToFeed = {}
for (const [pub, inc] of Object.entries(pubToIncoming)) {
/**
* empty string -> null
* @type {string|null}
*/
const newIncoming = inc || null
if (
// if disconnected, the same incoming feed will try to overwrite the
// nulled out pubToLastIncoming[pub] entry. Making the listener for that
// pub feed pair fire up again, etc. Now. When the user disconnects from
// this side of things. He will overwrite the pub to incoming with null.
// Let's allow that.
newIncoming === pubToLastIncoming[pub] &&
!(pubToFeed[pub] === 'disconnected' && newIncoming === null)
) {
// eslint-disable-next-line no-continue
continue
}
// will invalidate stale listeners (a listener for an outdated incoming feed
// id)
pubToLastIncoming[pub] = newIncoming
// Invalidate pending writes from stale listener(s) for the old incoming
// address.
pubToLastUpdate[pub] = uuidv1()
newPubToFeed[pub] = newIncoming ? [] : null
// sub to this incoming feed
if (typeof newIncoming === 'string') {
// perform sub to pub-incoming_feed pair
// leave all of the sideffects from this for the next tick
setImmediate(() => {
gun
.user(pub)
.get(Key.OUTGOINGS)
.get(newIncoming)
.open(onOpenForPubFeedPair([pub, newIncoming]))
})
}
}
if (Object.keys(newPubToFeed).length > 0) {
setPubToFeed({
...getPubToFeed(),
...newPubToFeed
})
}
}
let subbed = false
/**
* Array.isArray(pubToFeed[pub]) means a Handshake is in place, look for
* incoming messages here.
* pubToIncoming[pub] === null means a disconnection took place.
* typeof pubToIncoming[pub] === 'undefined' means none of the above.
* @param {FeedsListener} cb
* @returns {() => void}
*/
const onPubToFeed = cb => {
feedsListeners.add(cb)
cb(getPubToFeed())
if (!subbed) {
PubToIncoming.onPubToIncoming(react)
subbed = true
}
return () => {
feedsListeners.delete(cb)
}
}
module.exports = {
getPubToFeed,
setPubToFeed,
onPubToFeed
}

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@ -1,105 +0,0 @@
/** @format */
const uuidv1 = require('uuid/v1')
const debounce = require('lodash/debounce')
const logger = require('winston')
const { Utils: CommonUtils } = require('shock-common')
const size = require('lodash/size')
const { USER_TO_INCOMING } = require('../key')
/** @typedef {import('../SimpleGUN').OpenListenerData} OpenListenerData */
/**
* @typedef {Record<string, string|null|undefined>} PubToIncoming
*/
/** @type {Set<() => void>} */
const listeners = new Set()
/** @type {PubToIncoming} */
let pubToIncoming = {}
const getPubToIncoming = () => pubToIncoming
/**
* @param {PubToIncoming} pti
* @returns {void}
*/
const setPubToIncoming = pti => {
pubToIncoming = pti
listeners.forEach(l => l())
}
let latestUpdate = uuidv1()
listeners.add(() => {
logger.info(`new pubToIncoming length: ${size(getPubToIncoming())}`)
})
const onOpen = debounce(async uti => {
const SEA = require('../../Mediator').mySEA
const mySec = require('../../Mediator').getMySecret()
const thisUpdate = uuidv1()
latestUpdate = thisUpdate
if (typeof uti !== 'object' || uti === null) {
setPubToIncoming({})
return
}
/** @type {PubToIncoming} */
const newPubToIncoming = {}
await CommonUtils.asyncForEach(
Object.entries(uti),
async ([pub, encFeedID]) => {
if (encFeedID === null) {
newPubToIncoming[pub] = null
return
}
if (typeof encFeedID === 'string') {
newPubToIncoming[pub] = await SEA.decrypt(encFeedID, mySec)
}
}
)
// avoid old data from overwriting new data if decrypting took longer to
// process for the older open() call than for the newer open() call
if (latestUpdate === thisUpdate) {
setPubToIncoming(newPubToIncoming)
}
}, 750)
let subbed = false
/**
* @param {() => void} cb
* @returns {() => void}
*/
const onPubToIncoming = cb => {
if (!listeners.add(cb)) {
throw new Error('Tried to subscribe twice')
}
cb()
if (!subbed) {
const user = require('../../Mediator').getUser()
if (!user.is) {
logger.warn(`subscribing to pubToIncoming on a unauth user`)
}
user.get(USER_TO_INCOMING).open(onOpen)
subbed = true
}
return () => {
if (!listeners.delete(cb)) {
throw new Error('Tried to unsubscribe twice')
}
}
}
module.exports = {
getPubToIncoming,
setPubToIncoming,
onPubToIncoming
}