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chatroom.js
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chatroom.js
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/* globals fetchServerTime */
'use strict'
import { L } from '@common/common.js'
import sbp from '@sbp/sbp'
import { actionRequireInnerSignature, arrayOf, number, object, objectOf, optional, string, stringMax } from '~/frontend/model/contracts/misc/flowTyper.js'
import { ChelErrorGenerator } from '~/shared/domains/chelonia/errors.js'
import { findForeignKeysByContractID, findKeyIdByName } from '~/shared/domains/chelonia/utils.js'
import {
CHATROOM_ACTIONS_PER_PAGE,
CHATROOM_DESCRIPTION_LIMITS_IN_CHARS,
CHATROOM_MAX_MESSAGES,
CHATROOM_MAX_MESSAGE_LEN,
CHATROOM_NAME_LIMITS_IN_CHARS,
CHATROOM_PRIVACY_LEVEL,
CHATROOM_TYPES,
MAX_HASH_LEN,
MESSAGE_NOTIFICATIONS,
MESSAGE_RECEIVE_RAW,
MESSAGE_TYPES,
POLL_STATUS
} from './shared/constants.js'
import {
createMessage,
findMessageIdx,
leaveChatRoom,
makeMentionFromUserID,
referenceTally
} from './shared/functions.js'
import chatroomGetters from './shared/getters/chatroom.js'
import { cloneDeep, merge } from './shared/giLodash.js'
import { chatRoomAttributesType, messageType } from './shared/types.js'
export const GIChatroomAlreadyMemberError: typeof Error = ChelErrorGenerator('GIChatroomAlreadyMemberError')
export const GIChatroomNotMemberError: typeof Error = ChelErrorGenerator('GIChatroomNotMemberError')
function createNotificationData (
notificationType: string,
moreParams: Object = {}
): Object {
return {
type: MESSAGE_TYPES.NOTIFICATION,
notification: {
type: notificationType,
...moreParams
}
}
}
async function deleteEncryptedFiles (manifestCids: string | string[], option: Object) {
if (Object.values(option).reduce((a, c) => a || c, false)) {
if (!Array.isArray(manifestCids)) {
manifestCids = [manifestCids]
}
await sbp('gi.actions/identity/removeFiles', { manifestCids, option })
}
}
function addMessage (state, message) {
state.messages.push(message)
// NOTE: 'renderingContext' attribute is not original attribute which is set in Chat page
if (state.renderingContext) {
return
}
while (state.messages.length > CHATROOM_MAX_MESSAGES) {
state.messages.shift()
}
}
sbp('chelonia/defineContract', {
name: 'gi.contracts/chatroom',
metadata: {
validate: objectOf({
createdDate: string // action created date
}),
async create () {
return {
createdDate: await fetchServerTime()
}
}
},
getters: {
currentChatRoomState (state) {
return state
},
...chatroomGetters
},
actions: {
// This is the constructor of Chat contract
'gi.contracts/chatroom': {
validate: objectOf({
attributes: chatRoomAttributesType
}),
process ({ data }, { state }) {
const initialState = merge({
settings: {
actionsPerPage: CHATROOM_ACTIONS_PER_PAGE,
maxNameLength: CHATROOM_NAME_LIMITS_IN_CHARS,
maxDescriptionLength: CHATROOM_DESCRIPTION_LIMITS_IN_CHARS
},
attributes: {
adminIDs: [],
deletedDate: null
},
members: {},
messages: [],
pinnedMessages: []
}, data)
for (const key in initialState) {
state[key] = initialState[key]
}
}
},
'gi.contracts/chatroom/join': {
validate: actionRequireInnerSignature(objectOf({
memberID: optional(string) // user id of joining memberID
})),
process ({ data, meta, hash, height, contractID, innerSigningContractID }, { state }) {
const memberID = data.memberID || innerSigningContractID
if (!memberID) {
throw new Error('The new member must be given either explicitly or implcitly with an inner signature')
}
if (!state.renderingContext) {
if (!state.members) {
state.members = {}
}
if (state.members[memberID]) {
throw new GIChatroomAlreadyMemberError(`Can not join the chatroom which ${memberID} is already part of`)
}
}
state.members[memberID] = { joinedDate: meta.createdDate, joinedHeight: height }
// NOTE: this patch solves the issue of the action failing to process.
// when the contract was not fully synced because some encryption keys are missing.
// this normally happens when the user (not a member of PRIVATE chatroom)
// is trying to sync the contract.
// this comment works same for another checks like `if (!state.members)` of above and below codes
// https://github.com/okTurtles/group-income/pull/2147#discussion_r1680495897
if (!state.attributes) return
if (state.attributes.type === CHATROOM_TYPES.DIRECT_MESSAGE) {
// NOTE: we don't make notification message for joining in direct messages
return
}
const notificationType = memberID === innerSigningContractID ? MESSAGE_NOTIFICATIONS.JOIN_MEMBER : MESSAGE_NOTIFICATIONS.ADD_MEMBER
const notificationData = createNotificationData(
notificationType,
notificationType === MESSAGE_NOTIFICATIONS.ADD_MEMBER ? { memberID, actorID: innerSigningContractID } : { memberID }
)
addMessage(state, createMessage({ meta, hash, height, state, data: notificationData, innerSigningContractID }))
},
sideEffect ({ data, contractID, hash, meta, innerSigningContractID, height }, { state }) {
const memberID = data.memberID || innerSigningContractID
sbp('gi.contracts/chatroom/referenceTally', contractID, memberID, 'retain')
sbp('chelonia/queueInvocation', contractID, async () => {
const state = await sbp('chelonia/contract/state', contractID)
if (!state?.members?.[memberID]) {
return
}
const identityContractID = sbp('state/vuex/state').loggedIn.identityContractID
if (memberID === identityContractID) {
sbp('gi.actions/identity/kv/initChatRoomUnreadMessages', {
contractID, messageHash: hash, createdHeight: height
})
}
}).catch((e) => {
console.error('[gi.contracts/chatroom/join/sideEffect] Error at sideEffect', e?.message || e)
})
}
},
'gi.contracts/chatroom/rename': {
validate: actionRequireInnerSignature((data, { state, message: { innerSigningContractID } }) => {
objectOf({ name: stringMax(CHATROOM_NAME_LIMITS_IN_CHARS, 'name') })(data)
if (state.attributes.creatorID !== innerSigningContractID) {
throw new TypeError(L('Only the channel creator can rename.'))
}
}),
process ({ data, meta, hash, height, innerSigningContractID }, { state }) {
state.attributes['name'] = data.name
const notificationData = createNotificationData(MESSAGE_NOTIFICATIONS.UPDATE_NAME, {})
const newMessage = createMessage({ meta, hash, height, data: notificationData, state, innerSigningContractID })
state.messages.push(newMessage)
}
},
'gi.contracts/chatroom/changeDescription': {
validate: actionRequireInnerSignature((data, { state, message: { innerSigningContractID } }) => {
objectOf({ description: stringMax(CHATROOM_DESCRIPTION_LIMITS_IN_CHARS, 'description') })(data)
if (state.attributes.creatorID !== innerSigningContractID) {
throw new TypeError(L('Only the channel creator can change description.'))
}
}),
process ({ data, meta, hash, height, innerSigningContractID }, { state }) {
state.attributes['description'] = data.description
const notificationData = createNotificationData(MESSAGE_NOTIFICATIONS.UPDATE_DESCRIPTION, {})
addMessage(state, createMessage({ meta, hash, height, state, data: notificationData, innerSigningContractID }))
}
},
'gi.contracts/chatroom/leave': {
validate: objectOf({
memberID: optional(string) // member to be removed
}),
process ({ data, meta, hash, height, contractID, innerSigningContractID }, { state }) {
const memberID = data.memberID || innerSigningContractID
if (!memberID) {
throw new Error('The removed member must be given either explicitly or implcitly with an inner signature')
}
// innerSigningContractID !== contractID is the special case of a member
// being removed using the group's CSK (usually when a member is removed)
const isKicked = innerSigningContractID && memberID !== innerSigningContractID
if (!state.renderingContext) {
if (!state.members) {
throw new Error('Missing members state')
} else if (!state.members[memberID]) {
throw new GIChatroomNotMemberError(`Can not leave the chatroom ${contractID} which ${memberID} is not part of`)
}
}
delete state.members[memberID]
if (!state.attributes) return
if (state.attributes.type === CHATROOM_TYPES.DIRECT_MESSAGE) {
// NOTE: we don't make notification message for leaving in direct messages
return
}
const notificationType = !isKicked ? MESSAGE_NOTIFICATIONS.LEAVE_MEMBER : MESSAGE_NOTIFICATIONS.KICK_MEMBER
const notificationData = createNotificationData(notificationType, { memberID })
addMessage(state, createMessage({
meta,
hash,
height,
data: notificationData,
state,
// Special case for a memberID being removed using the group's CSK
// This way, we show the 'Member left' notification instead of the
// 'kicked' notification
innerSigningContractID: !isKicked ? memberID : innerSigningContractID
}))
},
async sideEffect ({ data, hash, contractID, meta, innerSigningContractID }, { state }) {
const memberID = data.memberID || innerSigningContractID
const itsMe = memberID === sbp('state/vuex/state').loggedIn.identityContractID
// NOTE: we don't add this 'if' statement in the queuedInvocation
// because these should not be running while rejoining
if (itsMe) {
await leaveChatRoom(contractID, state).catch(e => {
console.error('[gi.contracts/chatroom/leave] Error at leaveChatRoom', e)
})
}
sbp('gi.contracts/chatroom/referenceTally', contractID, memberID, 'release')
sbp('chelonia/queueInvocation', contractID, async () => {
const state = await sbp('chelonia/contract/state', contractID)
if (!state || !!state.members?.[data.memberID] || !state.attributes) {
return
}
if (!itsMe && state.attributes.privacyLevel === CHATROOM_PRIVACY_LEVEL.PRIVATE) {
sbp('gi.contracts/chatroom/rotateKeys', contractID, state)
}
sbp('gi.contracts/chatroom/removeForeignKeys', contractID, memberID, state)
}).catch((e) => {
console.error('[gi.contracts/chatroom/leave/sideEffect] Error at sideEffect', e?.message || e)
})
}
},
'gi.contracts/chatroom/delete': {
validate: actionRequireInnerSignature((_, { state, meta, message: { innerSigningContractID } }) => {
if (state.attributes.creatorID !== innerSigningContractID) {
throw new TypeError(L('Only the channel creator can delete channel.'))
}
}),
process ({ meta, contractID }, { state }) {
if (!state.attributes) return
state.attributes['deletedDate'] = meta.createdDate
sbp('gi.contracts/chatroom/pushSideEffect', contractID,
['gi.contracts/chatroom/referenceTally', contractID, Object.keys(state.members), 'release']
)
for (const memberID in state.members) {
delete state.members[memberID]
}
},
async sideEffect ({ contractID }, { state }) {
// NOTE: make sure *not* to await on this, since that can cause
// a potential deadlock. See same warning in sideEffect for
// 'gi.contracts/group/removeMember'
await leaveChatRoom(contractID, state)
}
},
'gi.contracts/chatroom/addMessage': {
validate: actionRequireInnerSignature(messageType),
// NOTE: This function is 'reentrant' and may be called multiple times
// for the same message and state. The `direction` attributes handles
// these situations especially, and it's meant to mark sent-by-the-user
// but not-yet-received-over-the-network messages.
process ({ direction, data, meta, hash, height, innerSigningContractID }, { state }) {
if (!state.messages) return
const existingMsg = state.messages.find(msg => (msg.hash === hash))
if (!existingMsg) {
// If no existing message, simply add it to the messages array.
const pending = direction === 'outgoing'
addMessage(state, createMessage({ meta, data, hash, height, state, pending, innerSigningContractID }))
} else if (direction !== 'outgoing') {
// If an existing message is found, it's no longer pending.
delete existingMsg['pending']
}
},
sideEffect ({ contractID, hash, height, meta, data, innerSigningContractID }, { state, getters }) {
const me = sbp('state/vuex/state').loggedIn.identityContractID
if (me === innerSigningContractID && data.type !== MESSAGE_TYPES.INTERACTIVE) {
return
}
const newMessage = createMessage({ meta, data, hash, height, state, innerSigningContractID })
sbp('okTurtles.events/emit', MESSAGE_RECEIVE_RAW, {
contractID,
data,
innerSigningContractID,
newMessage
})
}
},
'gi.contracts/chatroom/editMessage': {
validate: actionRequireInnerSignature(objectOf({
hash: stringMax(MAX_HASH_LEN, 'hash'),
createdHeight: number,
text: stringMax(CHATROOM_MAX_MESSAGE_LEN, 'text')
})),
process ({ data, meta }, { state }) {
if (!state.messages) return
const { hash, text } = data
const fnEditMessage = (message) => {
message['text'] = text
message['updatedDate'] = meta.createdDate
if (state.renderingContext && message.pending) {
// NOTE: 'pending' message attribute is not the original message attribute
// and it is only set and used in Chat page
delete message['pending']
}
}
[state.messages, state.pinnedMessages].forEach(messageArray => {
const msgIndex = findMessageIdx(hash, messageArray)
if (msgIndex >= 0) {
fnEditMessage(messageArray[msgIndex])
}
})
},
sideEffect ({ contractID, hash, meta, data, innerSigningContractID }, { state, getters }) {
const me = sbp('state/vuex/state').loggedIn.identityContractID
if (me === innerSigningContractID || getters.chatRoomAttributes.type === CHATROOM_TYPES.DIRECT_MESSAGE) {
return
}
sbp('okTurtles.events/emit', MESSAGE_RECEIVE_RAW, {
contractID,
data,
innerSigningContractID
})
}
},
'gi.contracts/chatroom/deleteMessage': {
validate: actionRequireInnerSignature((data, { state, message: { innerSigningContractID }, contractID }) => {
objectOf({
hash: stringMax(MAX_HASH_LEN, 'hash'),
// NOTE: manifestCids of the attachments which belong to the message
// if the message is deleted, those attachments should be deleted too
manifestCids: arrayOf(stringMax(MAX_HASH_LEN, 'manifestCids')),
messageSender: stringMax(MAX_HASH_LEN, 'messageSender')
})(data)
if (innerSigningContractID !== data.messageSender) {
if (state.attributes.type === CHATROOM_TYPES.DIRECT_MESSAGE) {
throw new TypeError(L('Only the person who sent the message can delete it.'))
} else if (!state.attributes.adminIDs.includes(innerSigningContractID)) {
throw new TypeError(L('Only the group creator and the person who sent the message can delete it.'))
}
}
}),
process ({ data, innerSigningContractID }, { state }) {
if (!state.messages) return
[state.messages, state.pinnedMessages].forEach(messageArray => {
const msgIndex = findMessageIdx(data.hash, messageArray)
if (msgIndex >= 0) {
messageArray.splice(msgIndex, 1)
}
// filter replied messages and check if the current message is original
for (const message of messageArray) {
if (message.replyingMessage?.hash === data.hash) {
message.replyingMessage.hash = null
message.replyingMessage.text = L('Original message was removed by {user}', {
user: makeMentionFromUserID(innerSigningContractID).me
})
}
}
})
},
sideEffect ({ data, contractID, innerSigningContractID }) {
const rootState = sbp('state/vuex/state')
const me = rootState.loggedIn.identityContractID
if (rootState.chatroom.chatRoomScrollPosition[contractID] === data.hash) {
sbp('state/vuex/commit', 'setChatRoomScrollPosition', {
chatRoomID: contractID, messageHash: null
})
}
if (data.manifestCids.length) {
const option = {
shouldDeleteFile: me === innerSigningContractID,
shouldDeleteToken: me === data.messageSender
}
deleteEncryptedFiles(data.manifestCids, option).catch(e => {
console.error(`[gi.contracts/chatroom/deleteMessage/sideEffect] (${contractID}):`, e)
})
}
if (me === innerSigningContractID) {
return
}
// NOTE: ignore to check if the existance of current message (data.hash)
// because if not exist, removeChatRoomUnreadMessage won't do anything
sbp('gi.actions/identity/kv/removeChatRoomUnreadMessage', { contractID, messageHash: data.hash })
}
},
'gi.contracts/chatroom/deleteAttachment': {
validate: actionRequireInnerSignature(objectOf({
hash: stringMax(MAX_HASH_LEN, 'hash'),
manifestCid: stringMax(MAX_HASH_LEN, 'manifestCid'),
messageSender: stringMax(MAX_HASH_LEN, 'messageSender')
})),
process ({ data }, { state }) {
if (!state.messages) return
const fnDeleteAttachment = (message) => {
const oldAttachments = message.attachments
if (Array.isArray(oldAttachments)) {
const newAttachments = oldAttachments.filter(attachment => {
return attachment.downloadData.manifestCid !== data.manifestCid
})
message['attachments'] = newAttachments
}
}
[state.messages, state.pinnedMessages].forEach(messageArray => {
const msgIndex = findMessageIdx(data.hash, messageArray)
if (msgIndex >= 0) {
fnDeleteAttachment(messageArray[msgIndex])
}
})
},
sideEffect ({ data, contractID, innerSigningContractID }) {
const me = sbp('state/vuex/state').loggedIn.identityContractID
const option = {
shouldDeleteFile: me === innerSigningContractID,
shouldDeleteToken: me === data.messageSender
}
deleteEncryptedFiles(data.manifestCid, option).catch(e => {
console.error(`[gi.contracts/chatroom/deleteAttachment/sideEffect] (${contractID}):`, e)
})
}
},
'gi.contracts/chatroom/makeEmotion': {
validate: actionRequireInnerSignature(objectOf({
hash: stringMax(MAX_HASH_LEN, 'hash'),
emoticon: string
})),
process ({ data, innerSigningContractID }, { state }) {
if (!state.messages) return
const { hash, emoticon } = data
const fnMakeEmotion = (message) => {
let emoticons = cloneDeep(message.emoticons || {})
if (emoticons[emoticon]) {
const alreadyAdded = emoticons[emoticon].indexOf(innerSigningContractID)
if (alreadyAdded >= 0) {
emoticons[emoticon].splice(alreadyAdded, 1)
if (!emoticons[emoticon].length) {
delete emoticons[emoticon]
if (!Object.keys(emoticons).length) {
emoticons = null
}
}
} else {
emoticons[emoticon].push(innerSigningContractID)
}
} else {
emoticons[emoticon] = [innerSigningContractID]
}
if (emoticons) {
message['emoticons'] = emoticons
} else {
delete message['emoticons']
}
}
[state.messages, state.pinnedMessages].forEach(messageArray => {
const msgIndex = findMessageIdx(hash, messageArray)
if (msgIndex >= 0) {
fnMakeEmotion(messageArray[msgIndex])
}
})
}
},
'gi.contracts/chatroom/voteOnPoll': {
validate: actionRequireInnerSignature(objectOf({
hash: stringMax(MAX_HASH_LEN, 'hash'),
votes: arrayOf(string),
votesAsString: string
})),
process ({ data, meta, hash, height, innerSigningContractID }, { state }) {
if (!state.messages) return
const fnVoteOnPoll = (message) => {
const myVotes = data.votes
const pollData = message.pollData
const optsCopy = cloneDeep(pollData.options)
myVotes.forEach(optId => {
optsCopy.find(x => x.id === optId)?.voted.push(innerSigningContractID)
})
message['pollData'] = { ...pollData, options: optsCopy }
}
[state.messages, state.pinnedMessages].forEach(messageArray => {
const msgIndex = findMessageIdx(data.hash, messageArray)
if (msgIndex >= 0) {
fnVoteOnPoll(messageArray[msgIndex])
}
})
}
},
'gi.contracts/chatroom/changeVoteOnPoll': {
validate: actionRequireInnerSignature(objectOf({
hash: string,
votes: arrayOf(string),
votesAsString: string
})),
process ({ data, meta, hash, height, innerSigningContractID }, { state }) {
if (!state.messages) return
const fnChangeVoteOnPoll = (message) => {
const myUpdatedVotes = data.votes
const pollData = message.pollData
const optsCopy = cloneDeep(pollData.options)
// remove all the previous votes of the user before update.
optsCopy.forEach(opt => {
opt.voted = opt.voted.filter(votername => votername !== innerSigningContractID)
})
myUpdatedVotes.forEach(optId => {
optsCopy.find(x => x.id === optId)?.voted.push(innerSigningContractID)
})
message['pollData'] = { ...pollData, options: optsCopy }
}
[state.messages, state.pinnedMessages].forEach(messageArray => {
const msgIndex = findMessageIdx(data.hash, messageArray)
if (msgIndex >= 0) {
fnChangeVoteOnPoll(messageArray[msgIndex])
}
})
}
},
'gi.contracts/chatroom/closePoll': {
validate: actionRequireInnerSignature(objectOf({
hash: stringMax(MAX_HASH_LEN, 'hash')
})),
process ({ data }, { state }) {
if (!state.messages) return
const fnClosePoll = (message) => {
message.pollData['status'] = POLL_STATUS.CLOSED
}
[state.messages, state.pinnedMessages].forEach(messageArray => {
const msgIndex = findMessageIdx(data.hash, messageArray)
if (msgIndex >= 0) {
fnClosePoll(messageArray[msgIndex])
}
})
}
},
'gi.contracts/chatroom/pinMessage': {
validate: actionRequireInnerSignature(objectOf({
message: object
})),
process ({ data, innerSigningContractID }, { state }) {
if (!state.messages) return
const { message } = data
state.pinnedMessages.unshift(message)
const msgIndex = findMessageIdx(message.hash, state.messages)
if (msgIndex >= 0) {
state.messages[msgIndex]['pinnedBy'] = innerSigningContractID
}
}
},
'gi.contracts/chatroom/unpinMessage': {
validate: actionRequireInnerSignature(objectOf({
hash: stringMax(MAX_HASH_LEN, 'hash')
})),
process ({ data }, { state }) {
if (!state.messages) return
const pinnedMsgIndex = findMessageIdx(data.hash, state.pinnedMessages)
if (pinnedMsgIndex >= 0) {
state.pinnedMessages.splice(pinnedMsgIndex, 1)
}
const msgIndex = findMessageIdx(data.hash, state.messages)
if (msgIndex >= 0) {
delete state.messages[msgIndex]['pinnedBy']
}
}
},
// Action meant to upgrade contracts missing adminIDs
'gi.contracts/chatroom/upgradeFrom1.0.8': {
validate: actionRequireInnerSignature(optional(string)),
process ({ data }, { state }) {
if (state.attributes.adminIDs) {
throw new Error('Upgrade can only be done once')
}
state.attributes.adminIDs = data ? [data] : []
}
}
},
methods: {
'gi.contracts/chatroom/_cleanup': ({ contractID, state }) => {
if (state?.members) {
sbp('chelonia/contract/release', Object.keys(state.members)).catch(e => {
console.error('[gi.contracts/chatroom/_cleanup] Error calling release', contractID, e)
})
}
},
'gi.contracts/chatroom/rotateKeys': (contractID, state) => {
if (!state._volatile) state['_volatile'] = Object.create(null)
if (!state._volatile.pendingKeyRevocations) state._volatile['pendingKeyRevocations'] = Object.create(null)
const CSKid = findKeyIdByName(state, 'csk')
const CEKid = findKeyIdByName(state, 'cek')
state._volatile.pendingKeyRevocations[CSKid] = true
state._volatile.pendingKeyRevocations[CEKid] = true
sbp('gi.actions/out/rotateKeys', contractID, 'gi.contracts/chatroom', 'pending', 'gi.actions/chatroom/shareNewKeys').catch(e => {
console.warn(`rotateKeys: ${e.name} thrown during queueEvent to ${contractID}:`, e)
})
},
'gi.contracts/chatroom/removeForeignKeys': (contractID, memberID, state) => {
const keyIds = findForeignKeysByContractID(state, memberID)
if (!keyIds?.length) return
const CSKid = findKeyIdByName(state, 'csk')
const CEKid = findKeyIdByName(state, 'cek')
if (!CEKid) throw new Error('Missing encryption key')
sbp('chelonia/out/keyDel', {
contractID,
contractName: 'gi.contracts/chatroom',
data: keyIds,
signingKeyId: CSKid,
hooks: {
preSendCheck: (_, state) => {
// Only issue OP_KEY_DEL for non-members
return !state.members?.[memberID]
}
}
}).catch(e => {
console.warn(`removeForeignKeys: ${e.name} thrown during queueEvent to ${contractID}:`, e)
})
},
...referenceTally('gi.contracts/chatroom/referenceTally')
}
})