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irslackd.js
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irslackd.js
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'use strict';
const util = require('util');
const slack = require('@slack/client');
const AwaitLock = require('await-lock');
const ircd = require('./ircd');
const slackInit = require('./slack-init');
const debugChannel = '&irslackd';
class Irslackd {
constructor(config) {
this.config = config;
this.socket = null;
this.ircd = null;
this.rtmMap = new Map();
this.socketMap = new Map();
}
listen() {
const self = this;
self.ircd = self.getNewIrcd(self.config.tlsOpts);
const requireInit = true;
const noRequireInit = false;
new Map([
[ 'AWAY', self.makeIrcHandler(self.onIrcAway, requireInit) ],
[ 'INVITE', self.makeIrcHandler(self.onIrcInvite, requireInit) ],
[ 'JOIN', self.makeIrcHandler(self.onIrcJoin, requireInit) ],
[ 'KICK', self.makeIrcHandler(self.onIrcKick, requireInit) ],
[ 'LIST', self.makeIrcHandler(self.onIrcList, requireInit) ],
[ 'MODE', self.makeIrcHandler(self.onIrcMode, noRequireInit) ],
[ 'NICK', self.makeIrcHandler(self.onIrcNick, noRequireInit) ],
[ 'PART', self.makeIrcHandler(self.onIrcPart, requireInit) ],
[ 'PASS', self.makeIrcHandler(self.onIrcPass, noRequireInit) ],
[ 'PING', self.makeIrcHandler(self.onIrcPing, noRequireInit) ],
[ 'PRIVMSG', self.makeIrcHandler(self.onIrcPrivmsg, requireInit) ],
[ 'QUIT', self.makeIrcHandler(self.onIrcQuit, requireInit) ],
[ 'TOPIC', self.makeIrcHandler(self.onIrcTopic, requireInit) ],
[ 'USER', self.makeIrcHandler(self.onIrcUser, noRequireInit) ],
[ 'WHOIS', self.makeIrcHandler(self.onIrcWhois, requireInit) ],
[ 'WHO', self.makeIrcHandler(self.onIrcWho, requireInit) ],
[ 'ircLine', self.makeIrcHandler(self.onIrcLine, noRequireInit) ],
[ 'ircError', self.makeIrcHandler(self.onIrcError, noRequireInit) ],
[ 'ircClose', self.makeIrcHandler(self.onIrcClose, noRequireInit) ],
[ 'ircConnect', (socket) => { self.onIrcConnect(socket); } ],
]).forEach((handler, cmd, map) => {
self.ircd.on(cmd, handler);
});
self.ircd.listen(self.config.port, self.config.host);
}
async onIrcConnect(socket) {
this.socketMap.set(socket, new IrcUser(socket));
}
async onIrcClose(ircUser, hadError) {
console.log('irc_out', 'Disconnecting client');
try {
if (ircUser.socket) {
ircUser.socket.destroy();
this.socketMap.delete(ircUser.socket);
}
if (ircUser.slackRtm) {
ircUser.slackRtm.disconnect();
this.rtmMap.delete(ircUser.slackRtm);
}
if (ircUser.slackWeb) {
await this.setSlackPresence(ircUser, false);
}
} catch (e) {
this.logError(ircUser, 'Caught exception at disconnect: ' + util.inspect(e));
}
}
async onIrcPass(ircUser, msg) {
let allArgs = msg.args.join(' ').split(' ');
const tokenAndMaybeCookie = allArgs.shift();
const [token, cookie] = Irslackd.parseSlackToken(tokenAndMaybeCookie);
ircUser.slackToken = token;
ircUser.slackCookie = cookie;
ircUser.preferences = allArgs;
}
static parseSlackToken(tokenAndMaybeCookieStr) {
const tokenAndMaybeCookie = tokenAndMaybeCookieStr.split('|', 2);
const token = tokenAndMaybeCookie[0];
let cookie = null;
if (tokenAndMaybeCookie.length >= 2) {
if (tokenAndMaybeCookie[1].length > 0) {
cookie = Buffer.from(tokenAndMaybeCookie[1], 'base64').toString('ascii');
if (cookie.length < 1) {
cookie = null;
}
}
}
return [ token, cookie ];
}
async onIrcNick(ircUser, msg) {
if (!ircUser.ircNickLocked) {
ircUser.ircNick = msg.args[0] || 'user';
} else {
this.ircd.write(ircUser.socket, 'irslackd', '484', [
ircUser.ircNick,
':Your connection is restricted!',
]);
}
}
async onIrcUser(ircUser, msg) {
const self = this;
ircUser.slackWeb = self.getNewSlackWebClient(ircUser.slackToken, ircUser.slackCookie);
ircUser.slackWeb.paginateCallOrThrow = self.paginateCallOrThrow;
ircUser.slackWeb.apiCallOrThrow = self.apiCallOrThrow;
ircUser.slackWeb.irslackd = self;
ircUser.slackWeb.ircUser = ircUser;
ircUser.slackRtm = self.getNewSlackRtmClient(ircUser.slackToken, ircUser.slackCookie);
// Identify end-user
let auth = await ircUser.slackWeb.apiCallOrThrow('auth.test');
ircUser.slackUserId = auth.user_id;
ircUser.slackUserIds = [ ircUser.slackUserId ];
// Lock IRC nick
let origNick = ircUser.ircNick;
ircUser.ircNick = (await this.resolveSlackUser(ircUser, ircUser.slackUserId)) || ircUser.ircNick;
if (origNick !== ircUser.ircNick) {
this.ircd.write(ircUser.socket, origNick, 'NICK', [ ircUser.ircNick ]);
}
ircUser.ircNickLocked = true;
// Setup Slack handlers
self.rtmMap.set(ircUser.slackRtm, ircUser);
new Map([
[ 'ready', self.makeSlackHandler(self.onSlackReady) ],
[ 'message', self.makeSlackHandler(self.onSlackMessage) ],
[ 'channel_joined', self.makeSlackHandler(self.onSlackChannelJoined) ],
[ 'channel_left', self.makeSlackHandler(self.onSlackChannelLeft) ],
[ 'channel_rename', self.makeSlackHandler(self.onSlackChannelRename) ],
[ 'group_rename', self.makeSlackHandler(self.onSlackChannelRename) ],
[ 'channel_created', self.makeSlackHandler(self.onSlackChannelCreated) ],
[ 'channel_archive', self.makeSlackHandler(self.onSlackChannelArchive) ],
[ 'member_joined_channel', self.makeSlackHandler(self.onSlackMemberJoinedChannel) ],
[ 'member_left_channel', self.makeSlackHandler(self.onSlackMemberLeftChannel) ],
[ 'mpim_open', self.makeSlackHandler(self.onSlackMpimOpen) ],
[ 'mpim_close', self.makeSlackHandler(self.onSlackMpimClose) ],
[ 'reaction_added', self.makeSlackHandler(self.onSlackReactionAdded) ],
[ 'reaction_removed', self.makeSlackHandler(self.onSlackReactionRemoved) ],
[ 'subteam_created', self.makeSlackHandler(self.onSlackSubteamUpdated) ],
[ 'subteam_updated', self.makeSlackHandler(self.onSlackSubteamUpdated) ],
[ 'user_typing', self.makeSlackHandler(self.onSlackUserTyping) ],
[ 'presence_change', self.makeSlackHandler(self.onSlackPresenceChange) ],
[ 'team_join', self.makeSlackHandler(self.onSlackTeamJoin) ],
[ 'slack_event', self.makeSlackHandler(self.onSlackEvent) ],
]).forEach((handler, event, map) => {
ircUser.slackRtm.on(event, handler);
});
// Wait for initialization
await self.initialize(ircUser);
// Start RTM
ircUser.slackRtm.start({
batch_presence_aware: ircUser.presenceEnabled(),
});
self.updatePresenceSubscriptions(ircUser);
}
async onIrcAway(ircUser, msg) {
let status = '';
let emoji = '';
if (msg.args.length === 0) {
// if args is empty, unset away status
this.setSlackPresence(ircUser, true);
} else {
// pick off emoji
let emoji_status = /^(:\w+:)?(.*)$/.exec(msg.args[0]);
emoji = emoji_status[1] || '';
// slack statuses are capped at 100 characters
status = emoji_status[2].substring(0, 100);
this.setSlackPresence(ircUser, false);
}
await ircUser.slackWeb.apiCallOrThrow('users.profile.set', {
profile: {
status_text: status,
status_emoji: emoji,
},
});
}
async onIrcJoin(ircUser, msg) {
const self = this;
let ircChans = msg.args[0].split(',');
let joinPromises = [];
for (let ircChan of ircChans) {
if (!ircUser.isInChannel(ircChan)) {
joinPromises.push(self.onIrcJoinOne(ircUser, ircChan, false));
}
}
await Promise.all(joinPromises);
}
async onIrcJoinOne(ircUser, ircChan, alreadyInSlackChanId) {
const self = this;
// Normalize ircChan
ircChan = this.normalizeIrcChan(ircChan);
// Warn if IRC client is trying to join an `#mpdm*` channel
// Probably an automated rejoin...
if (!alreadyInSlackChanId && this.isMpdmChannel(ircChan)) {
console.log('Refusing IRC mpdm join: ' + ircChan);
return;
}
// Handle special debug channel
if (this.isDebugChannel(ircChan)) {
this.onIrcDebugJoin(ircUser);
return;
}
// Join Slack channel
let convo;
let alreadyInSlackChan;
let slackChanId;
if (!alreadyInSlackChanId) {
// Resolve Slack channel from IRC channel name
try {
slackChanId = this.resolveIrcChannel(ircUser, ircChan);
} catch (e) {
// Hi mom
}
if (slackChanId) {
// Slack channel already exists
convo = await ircUser.slackWeb.apiCallOrThrow('conversations.join', {
channel: slackChanId,
});
alreadyInSlackChan = convo.already_in_channel || convo.warning === 'already_in_channel';
} else {
// Slack channel does not exist
convo = await ircUser.slackWeb.apiCallOrThrow('conversations.create', {
name: ircChan.substr(1), // #blah -> blah
is_private: false,
});
alreadyInSlackChan = false;
}
} else {
// Already in Slack channel
slackChanId = alreadyInSlackChanId;
alreadyInSlackChan = true;
// Still need to call conversations.info for topic
convo = await ircUser.slackWeb.apiCallOrThrow('conversations.info', {
channel: slackChanId,
});
}
// Bail if already in channel on Slack and IRC
if (alreadyInSlackChan && ircUser.isInChannel(ircChan)) {
return;
}
// Update maps
ircUser.mapIrcToSlack(ircChan, convo.channel.id);
// Get Slack channel members
let members = await ircUser.slackWeb.paginateCallOrThrow('conversations.members', 'members', {
channel: convo.channel.id,
limit: 1000,
});
// Assemble IRC nicks
let ircNicks = [ ircUser.ircNick ];
let ircNickPromises = [];
members.members.forEach((userId) => {
let ircNickPromise = self.resolveSlackUser(ircUser, userId);
ircNickPromise.userId = userId;
ircNickPromises.push(ircNickPromise);
});
for (let ircNickPromise of ircNickPromises) {
try {
ircNicks.push(await ircNickPromise);
} catch (e) {
this.logError(ircUser, 'No user for userId ' + ircNickPromise.userId);
}
}
// Join channel
this.sendIrcChannelJoin(ircUser, ircChan, convo.channel.topic.value, ircNicks);
}
async onIrcPart(ircUser, msg, alreadyInSlackChanId) {
let ircChan = msg.args[0];
// Handle special debug channel
if (this.isDebugChannel(ircChan)) {
this.onIrcDebugPart(ircUser);
return;
}
let slackChan;
if (!alreadyInSlackChanId) {
// Bail if Slack channel not in map
slackChan = this.resolveIrcChannel(ircUser, ircChan);
} else {
slackChan = alreadyInSlackChanId;
}
// Leave Slack channel
let apiMethod = this.isMpdmChannel(ircChan) ? 'conversations.close' : 'conversations.leave';
await ircUser.slackWeb.apiCallOrThrow(apiMethod, { channel: slackChan });
// Unset channel marker and leave IRC channel
this.sendIrcChannelPart(ircUser, ircChan);
}
async onIrcPrivmsg(ircUser, msg) {
let target = msg.args[0];
let message = msg.args[1];
// Handle special debug channel
if (this.isDebugChannel(target)) {
msg.args.shift();
return this.onIrcDebugPrivmsg(ircUser, msg);
}
// Handle @slack commands
if (message.substr(0, 7) === '@slack ') {
msg.args[1] = msg.args[1].substr(7);
return await this.onIrcAtSlackPrivmsg(ircUser, msg);
}
// Extract @thread-<thread_ts> prefix
let thread_ts;
[message, thread_ts] = this.extractThread(message);
// Slackize
message = this.slackizeText(ircUser, message);
// Resolve target as Slack channel
let slackChan;
let slackTarget;
if (this.isChannel(target)) {
// Sending to a channel, update map
slackTarget = this.resolveIrcChannel(ircUser, target);
slackChan = slackTarget;
ircUser.mapIrcToSlack(target, slackChan);
} else {
// Sending to a user, update nick-channel map
slackTarget = this.resolveIrcUser(ircUser, target);
slackChan = ircUser.ircNickToSlackChanId.get(target);
if (!slackChan) {
let im = await ircUser.slackWeb.apiCallOrThrow('conversations.open', {
users: slackTarget,
});
slackChan = im.channel.id;
ircUser.ircNickToSlackChanId.set(target, slackChan);
}
}
// Check for /me message
let apiMethod = 'chat.postMessage';
if (this.isCtcpCommand('ACTION', message)) {
apiMethod = 'chat.meMessage';
message = message.substr(8);
if (message.charCodeAt(message.length - 1) === 1) {
message = message.substr(0, message.length - 1);
}
}
// Check for CTCP TYPING message
if (ircUser.typingNotificationsEnabled() && this.isCtcpCommand('TYPING', message)) {
return await ircUser.slackRtm.sendTyping(slackChan);
}
// Call chat.(post|me)Message
await this.rememberSelfEcho(ircUser, message, async() => {
return await ircUser.slackWeb.apiCallOrThrow(apiMethod, {
channel: slackChan,
text: message,
as_user: true,
thread_ts: thread_ts,
});
});
}
async onIrcPing(ircUser, msg) {
// Send PONG
this.ircd.write(ircUser.socket, 'irslackd', 'PONG', [ 'irslackd' ]);
}
async onIrcMode(ircUser, msg) {
let target = msg.args[0];
if (this.isChannel(target)) {
// if its just the channel
if (msg.args.length === 1) {
// then make sure it has an empty mode string
msg.args.push('+');
}
this.ircd.write(ircUser.socket, 'irslackd', 'MODE', msg.args);
}
}
async onIrcInvite(ircUser, msg) {
const ircNick = msg.args[0];
const ircChan = msg.args[1];
let slackChan, slackUser;
try {
slackUser = this.resolveIrcUser(ircUser, ircNick);
slackChan = this.resolveIrcChannel(ircUser, ircChan);
} catch (e) {
this.logError(ircUser, 'Cannot determine target for INVITE; saw ' + util.inspect(msg.args));
return;
}
await ircUser.slackWeb.apiCallOrThrow('conversations.invite', {
users: slackUser,
channel: slackChan,
});
this.ircd.write(ircUser.socket, 'irslackd', '341', [
ircUser.ircNick,
ircNick,
ircChan,
]);
}
async onIrcTopic(ircUser, msg) {
const ircChan = msg.args[0];
let ircTopic = msg.args[1];
let slackChan;
try {
slackChan = this.resolveIrcChannel(ircUser, ircChan);
} catch (e) {
this.logError(ircUser, 'Cannot determine target for TOPIC; saw ' + util.inspect(msg.args));
return;
}
let res;
if (ircTopic) {
// Set topic
res = await ircUser.slackWeb.apiCallOrThrow('conversations.setTopic', {
channel: slackChan,
topic: ircTopic,
});
ircTopic = res.topic;
} else {
// Get topic
res = await ircUser.slackWeb.apiCallOrThrow('conversations.info', {
channel: slackChan,
});
}
ircTopic = this.ircizeText(ircUser, res.channel.topic.value);
this.ircd.write(ircUser.socket, 'irslackd', '332', [
ircUser.ircNick,
ircChan,
':' + ircTopic,
]);
}
async onIrcKick(ircUser, msg) {
const ircChan = msg.args[0];
const ircNick = msg.args[1];
let slackChan, slackUser;
try {
slackChan = this.resolveIrcChannel(ircUser, ircChan);
slackUser = this.resolveIrcUser(ircUser, ircNick);
} catch (e) {
this.logError(ircUser, 'Cannot determine target for KICK; saw ' + util.inspect(msg.args));
return;
}
await ircUser.slackWeb.apiCallOrThrow('conversations.kick', {
channel: slackChan,
user: slackUser,
});
this.ircd.write(ircUser.socket, ircUser.ircNick, 'KICK', msg.args);
}
async onIrcList(ircUser, msg) {
const self = this;
if (msg.args.length > 0) return; // Only support `LIST` with no params
let convos = await ircUser.slackWeb.paginateCallOrThrow('conversations.list', 'channels', {
exclude_archived: true,
types: 'public_channel',
limit: 1000,
});
convos.channels.forEach((channel) => {
let ircChan = this.getIrcChannelName(ircUser, channel.name);
self.ircd.write(ircUser.socket, 'irslackd', '322', [
ircUser.ircNick,
ircChan,
channel.num_members,
':' + channel.topic.value,
]);
});
self.ircd.write(ircUser.socket, 'irslackd', '323', [ ircUser.ircNick, ':End of LIST' ]);
}
async onIrcQuit(ircUser, msg) {
// Close link
this.ircd.write(ircUser.socket, 'irslackd', 'ERROR', [ ':Closing Link' ]);
ircUser.socket.destroy();
}
async initialize(ircUser) {
// Initialize Slack users and channels in an efficient, batch way
// Await on usernames and teams as they are needed before populating channels
try {
await slackInit.initUsers.call(this, ircUser);
await slackInit.initTeams.call(this, ircUser);
await slackInit.initChannels.call(this, ircUser);
if (ircUser.debugChannelEnabled()) this.onIrcDebugJoin(ircUser);
} catch (e) {
this.logError(ircUser, 'Failed to initialize workspace:' + util.inspect(e));
} finally {
ircUser.setInitialized();
console.log('slack_out: initialized');
}
}
async onSlackReady(ircUser, event) {
// Send MOTD
this.ircd.write(ircUser.socket, 'irslackd', '001', [ ircUser.ircNick, 'irslackd' ]);
this.ircd.write(ircUser.socket, 'irslackd', '376', [ ircUser.ircNick, 'End of MOTD' ]);
// set user presence to auto instead of away
await this.setSlackPresence(ircUser, true);
}
async onSlackMessage(ircUser, event) {
const self = this;
// Delegate certain events
if (event.subtype === 'channel_join') {
return await this.onSlackMemberJoinedChannel(ircUser, event);
} else if (event.subtype === 'channel_leave') {
return await this.onSlackMemberLeftChannel(ircUser, event);
} else if (event.subtype === 'channel_topic' || event.subtype === 'group_topic') {
return await this.onSlackTopicChange(ircUser, event);
} else if (event.subtype === 'message_replied' && !event.text) {
return;
}
// If this is a message in a thread and they are not enabled, bail
if (event.thread_ts && !ircUser.threadsEnabled()) {
return;
}
// Fix user field in file_comment
if (event.subtype === 'file_comment') {
event.user = event.comment.user;
}
// Make certain messages appear as `/me` actions
if (event.subtype === 'message_changed') {
if (event.previous_message && event.message.text === event.previous_message.text) {
return; // Ignore message_changed events if text did not change
}
event.user = event.message.user;
event.text = 'edits: ' + event.message.text;
event.subtype = 'me_message';
} else if (event.subtype === 'message_deleted') {
if (event.previous_message) {
event.text = 'deletes: ' + event.previous_message.text;
event.user = event.previous_message.user;
event.files = event.previous_message.files || [];
event.attachments = event.previous_message.attachments || [];
} else {
event.text = 'deletes';
}
event.subtype = 'me_message';
}
// Decode and ircize text
event.text = this.ircizeText(ircUser, event.text || '');
// Prevent self-echo
if (await this.preventSelfEcho(ircUser, event, event.text)) return;
// Get nick and channel
let [ircNick, ircTarget] = await this.resolveSlackTarget(ircUser, event);
if (!ircNick || !ircTarget) {
this.logError(ircUser, 'Failed this.resolveSlackTarget; event: ' + util.inspect(event));
return;
}
// If not already in channel, join it
if (this.isChannel(ircTarget) && !ircUser.isInChannel(ircTarget)) {
await this.onIrcJoinOne(ircUser, ircTarget, event.channel);
}
// Use text if not blank, otherwise try rich text
let messages = [];
if (event.text) {
messages.push(event.text);
} else if (event.blocks) {
this.extractTextFromBlocks(event.blocks, messages);
}
// Also send attachments
if (event.attachments) {
event.attachments.forEach((attachment, idx) => {
let att = new Set(); // Use a Set to avoid duplicates
if (attachment.title) att.add(self.ircizeText(ircUser, attachment.title));
if (attachment.text) att.add(self.ircizeText(ircUser, attachment.text));
if (attachment.title_link) att.add(attachment.title_link);
if (attachment.fallback) att.add(self.ircizeText(ircUser, attachment.fallback));
if (attachment.from_url) att.add(attachment.from_url);
if (attachment.image_url) att.add(attachment.image_url);
att.forEach((a) => { messages.push('> ' + a); });
});
}
// Also send files
if (event.files) {
event.files.forEach((file, idx) => {
if (file.url_private) messages.push('> ' + file.url_private);
else if (file.id) messages.push('> ' + file.id);
});
}
// Send to IRC, once for each newline
let sentCount = 0;
messages.forEach((message, idx) => {
message.split(/(\r\n|\r|\n)/).forEach((line, idx) => {
line = line.trim();
if (line.length < 1) return;
if (event.thread_ts) line = '@thread-' + event.thread_ts + ' ' + line;
if (event.subtype === 'me_message') line = self.meText(line);
self.ircd.write(ircUser.socket, ircNick, 'PRIVMSG', [ ircTarget, ':' + line ]);
sentCount += 1;
});
});
// Warn if no PRIVMSG was sent
if (sentCount < 1) {
this.logError(ircUser, 'Incoming slack message produced no PRIVMSG: ' + util.inspect(event, false, null));
}
}
extractTextFromBlocks(elements, messages) {
const self = this;
elements.forEach((element) => {
if (element.text) {
messages.push(element.text);
}
if (element.elements) {
self.extractTextFromBlocks(element.elements, messages);
}
});
}
async onSlackTopicChange(ircUser, event) {
// Get nick and channel
let [ircNick, ircChan] = await this.resolveSlackTarget(ircUser, event);
if (!ircNick || !ircChan) return;
// Decode entities, ircize text
event.topic = this.ircizeText(ircUser, event.topic);
// Send topic message
this.ircd.write(ircUser.socket, ircNick, 'TOPIC', [ ircChan, event.topic ]);
}
async onSlackChannelJoined(ircUser, event) {
let chanId = event.channel.id || event.channel;
let ircChan = await this.resolveSlackChannel(ircUser, chanId);
if (ircChan) {
await this.onIrcJoinOne(ircUser, ircChan, chanId);
}
}
async onSlackChannelLeft(ircUser, event) {
let ircChan = await this.resolveSlackChannel(ircUser, event.channel);
if (ircChan) {
await this.onIrcPart(ircUser, { args: [ ircChan ] }, event.channel);
}
}
async onSlackChannelRename(ircUser, event) {
let oldIrcChan = await this.resolveSlackChannel(ircUser, event.channel.id);
let newIrcChan = this.getIrcChannelName(ircUser, event.channel.name);
let isInChan = ircUser.isInChannel(oldIrcChan);
if (isInChan) {
this.ircd.write(ircUser.socket, ircUser.ircNick, 'PART', [ oldIrcChan ]);
ircUser.partChannel(oldIrcChan);
}
ircUser.unmapIrcToSlack(oldIrcChan, oldIrcChan);
if (isInChan) await this.onIrcJoinOne(ircUser, newIrcChan, event.channel.id);
}
async onSlackChannelCreated(ircUser, event) {
ircUser.mapIrcToSlack(this.getIrcChannelName(ircUser, event.channel.name), event.channel.id);
}
async onSlackChannelArchive(ircUser, event) {
await this.onSlackMemberLeftChannel(ircUser, event);
}
async onSlackMemberJoinedChannel(ircUser, event) {
if (event.user === ircUser.slackUserId) return;
let [ircNick, ircChan] = await this.resolveSlackTarget(ircUser, event);
if (ircNick && ircChan && !ircUser.isNickInChannel(ircChan, ircNick)) {
ircUser.addNickToChannel(ircChan, ircNick);
this.ircd.write(ircUser.socket, ircNick, 'JOIN', [ ircChan ]);
}
}
async onSlackMemberLeftChannel(ircUser, event) {
if (event.user === ircUser.slackUserId) return;
let [ircNick, ircChan] = await this.resolveSlackTarget(ircUser, event);
if (ircNick && ircChan && ircUser.isNickInChannel(ircChan, ircNick)) {
ircUser.removeNickFromChannel(ircChan, ircNick);
this.ircd.write(ircUser.socket, ircNick, 'PART', [ ircChan ]);
}
}
async onSlackMpimOpen(ircUser, event) {
await this.onSlackChannelJoined(ircUser, event);
}
async onSlackMpimClose(ircUser, event) {
await this.onSlackChannelLeft(ircUser, event);
}
async onSlackSubteamUpdated(ircUser, event) {
ircUser.mapIrcToSlack(event.subteam.handle, event.subteam.id);
}
async onSlackReactionAdded(ircUser, event) {
await this.onSlackReaction(ircUser, event, 'reacts');
}
async onSlackReactionRemoved(ircUser, event) {
await this.onSlackReaction(ircUser, event, 'unreacts');
}
async onSlackReaction(ircUser, event, verb) {
if (!ircUser.reactionsEnabled()) return;
if (event.item.type !== 'message') return;
if (!event.item_user) {
let history = await ircUser.slackWeb.apiCallOrThrow('conversations.replies', {
channel: event.item.channel,
ts: event.item.ts,
limit: 1,
inclusive: 1,
});
if (history.messages.length > 0
&& history.messages[0].ts === event.item.ts
&& (history.messages[0].user || history.messages[0].bot_id)
) {
event.item_user = history.messages[0].user || history.messages[0].bot_id;
} else {
this.logError(ircUser, 'No message found for event.item.ts=' + event.item.ts + '; history=' + util.inspect(history));
return;
}
}
let ircReacter = this.resolveSlackUser(ircUser, event.user);
let ircReactee = this.resolveSlackUser(ircUser, event.item_user);
let ircChan = this.resolveSlackChannel(ircUser, event.item.channel, ircReacter);
try {
ircReacter = await ircReacter;
ircReactee = await ircReactee;
ircChan = await ircChan;
if (!ircReacter || !ircReactee || !ircChan) {
throw Error('Missing reaction info');
}
} catch (e) {
this.logError(ircUser, util.inspect(e));
return;
}
let message = this.meText(verb + ' @ ' + ircReactee + ' :' + event.reaction + ':');
this.ircd.write(ircUser.socket, ircReacter, 'PRIVMSG', [ ircChan, message ]);
}
async onSlackUserTyping(ircUser, event) {
if (!ircUser.typingNotificationsEnabled()) {
return;
}
let [ircNick, ircTarget] = await this.resolveSlackTarget(ircUser, event);
if (!ircNick || !ircTarget) {
this.logError(ircUser, 'Failed this.resolveSlackTarget; event: ' + util.inspect(event));
return;
}
console.log('slack_typing', ircNick, ircTarget);
let line = this.typingText('1');
this.ircd.write(ircUser.socket, ircNick, 'PRIVMSG', [ ircTarget, line ]);
}
async onSlackPresenceChange(ircUser, event) {
if (!ircUser.presenceEnabled()) {
return;
}
let ircNick = await this.resolveSlackUser(ircUser, event.user);
let ircMode = null;
if (event.presence === 'away') {
ircUser.ircNickActive.delete(ircNick);
ircMode = '-v';
} else {
ircUser.ircNickActive.add(ircNick);
ircMode = '+v';
}
console.log('slack_presence_change', ircNick, event.presence);
ircUser.channelNicks.forEach((nicks, channel) => {
if (nicks.get(ircNick) && ircUser.isInChannel(channel)) {
this.ircd.write(ircUser.socket, 'irslackd', 'MODE', [channel, ircMode, ircNick]);
}
});
}
async onSlackTeamJoin(ircUser, event) {
// Add new member
let slackUser = event.user.id;
let ircNick = this.replaceIllegalIrcNickChars(event.user.name);
ircUser.mapIrcToSlack(ircNick, slackUser);
// Update presence subscriptions
this.updatePresenceSubscriptions(ircUser);
}
async onIrcWho(ircUser, msg) {
await this.onIrcWhois(ircUser, msg);
}
async onIrcWhois(ircUser, msg) {
if (msg.args.length < 1) return;
let ircNick = msg.args[0];
if (this.isChannel(ircNick)) {
return; // Ignore channels
}
let slackUser;
try {
slackUser = this.resolveIrcUser(ircUser, ircNick);
} catch (e) {
return;
}
try {
let user = await ircUser.slackWeb.apiCallOrThrow('users.info', { user: slackUser });
this.ircd.write(ircUser.socket, 'irslackd', '311', [
ircUser.ircNick,
ircNick,
ircNick,
'irslackd',
'*',
':' + (user.user.real_name || user.user.profile.display_name || user.user.name),
]);
} catch (e) {
this.ircd.write(ircUser.socket, 'irslackd', '401', [
ircUser.ircNick,
ircNick,
':No such nick/channel',
]);
}
}
async onIrcAtSlackPrivmsg(ircUser, msg) {
const self = this;
const ircTarget = msg.args.shift();
const cmdStr = msg.args.join(' ').trim();
const [cmdArgs, cmdArgv] = this.parseAtSlackCmd(cmdStr);
const atSlackCmd = cmdArgv.shift();
const slackTarget = this.resolveIrcTarget(ircUser, ircTarget);
let slackCmdFunc = null;
switch (atSlackCmd) {
case 'history':
slackCmdFunc = this.onIrcAtSlackHistory;
break;
case 'search':
slackCmdFunc = this.onIrcAtSlackSearch;
break;
case 'thread':
slackCmdFunc = this.onIrcAtSlackThread;
break;
case 'react':
slackCmdFunc = this.onIrcAtSlackReact;
break;
case 'unreact':
slackCmdFunc = this.onIrcAtSlackUnreact;
break;
case 'chat':
slackCmdFunc = this.onIrcAtSlackChat;
break;
default:
}
const messages = await slackCmdFunc.call(this, ircUser, ircTarget, slackTarget, cmdArgs, cmdArgv);
messages.forEach((message, idx) => {
message.split(/(\r\n|\r|\n)/).forEach((line, idx) => {
line = line.trim();
if (line.length < 1) return;
self.ircd.write(ircUser.socket, 'irslackd', 'NOTICE', [ ircTarget, ':' + line ]);
});
});
}
async onIrcAtSlackHistory(ircUser, ircTarget, slackTarget, cmdArgs, cmdArgv) {
const history = await ircUser.slackWeb.apiCallOrThrow('conversations.history', {
channel: slackTarget,
limit: cmdArgs['limit'] || cmdArgs['l'] || 20,
});
return history.messages.map(h => JSON.stringify(h)).reverse();
}
async onIrcAtSlackSearch(ircUser, ircTarget, slackTarget, cmdArgs, cmdArgv) {
const results = await ircUser.slackWeb.apiCallOrThrow('search.messages', {
query: cmdArgv.join(' '),
count: cmdArgs['limit'] || cmdArgs['l'] || 20,
sort: 'timestamp',
});
return results.messages.matches.map((m) => {
const ircChan = ircUser.slackToIrc.get(m.channel.id) || m.channel.id;
const ircNick = ircUser.slackToIrc.get(m.user) || m.user;
return ircChan + ' @' + m.ts + ' <' + ircNick + '> ' + m.text;
});
}
async onIrcAtSlackThread(ircUser, ircTarget, slackTarget, cmdArgs, cmdArgv) {
const ts = cmdArgv.shift();
const replies = await ircUser.slackWeb.apiCallOrThrow('conversations.replies', {
channel: slackTarget,
ts: ts,
limit: cmdArgs['limit'] || cmdArgs['l'] || 1,
});
return replies.messages.map(h => JSON.stringify(h));
}
async onIrcAtSlackReact(ircUser, ircTarget, slackTarget, cmdArgs, cmdArgv) {
return await this.onIrcAtSlackReactUnreact(ircUser, ircTarget, slackTarget, cmdArgs, cmdArgv, 'reactions.add');
}
async onIrcAtSlackUnreact(ircUser, ircTarget, slackTarget, cmdArgs, cmdArgv) {
return await this.onIrcAtSlackReactUnreact(ircUser, ircTarget, slackTarget, cmdArgs, cmdArgv, 'reactions.remove');
}
async onIrcAtSlackReactUnreact(ircUser, ircTarget, slackTarget, cmdArgs, cmdArgv, reactMethod) {
await ircUser.slackWeb.apiCallOrThrow(reactMethod, {
channel: slackTarget,
timestamp: cmdArgv.shift(),
name: cmdArgv.shift(),
});
return [];
}
async onIrcAtSlackChat(ircUser, ircTarget, slackTarget, cmdArgs, cmdArgv) {
if (cmdArgv.length === 0) {
return [ 'You must specify at least one nickname to chat with.' ];
}
let slackUsers = [];
let errors = [];
for (let ircNick of cmdArgv) {
try {
slackUsers.push(this.resolveIrcUser(ircUser, ircNick));
} catch (e) {
errors.push('Unknown nickname: ' + ircNick);
}
}
if (errors.length > 0) {
return errors;
}
await ircUser.slackWeb.apiCallOrThrow('conversations.open', {
users: slackUsers.join(','),
});
return [];
}
parseAtSlackCmd(cmdStr) {
let cmdArgv = [];
let cmdArgs = {};
let token = '';
let argToken = false;
let inEscape = false;
let inQuote = false;
let inArg = false;
const processToken = () => {
if (!inQuote && token.trim() === '') {
'Hi mom';
} else if (inArg) {
argToken = token;
cmdArgs[argToken] = true;
inArg = false;
} else if (argToken) {
cmdArgs[argToken] = token;
argToken = false;
} else {
cmdArgv.push(token);
}
token = '';
};
for (let i = 0; i < cmdStr.length; i++) {
const c = cmdStr.substr(i, 1);
if (inEscape) {
token += c;
inEscape = false;
} else if (c === '\\') {
inEscape = true;
} else if (!inQuote && (c === '"' || c === "'")) {
processToken(token);
inQuote = c;
} else if (c === inQuote) {
processToken(token);
inQuote = false;
} else if (token === '' && c === '-') {
inArg = true;
} else if (inArg && !inQuote && c === '=') {
processToken(token);
} else if (!inQuote && c.trim() === '') {
processToken(token);
} else {
token += c;
}
}
processToken(token);
return [ cmdArgs, cmdArgv ];
}
onIrcDebugPrivmsg(ircUser, msg) {
let cmd = msg.args[0];
let out = null;
const iOpts = { depth: 3, showHidden: true };
switch (cmd) {
case 'dump_server': out = util.inspect(this, iOpts); break;
case 'dump_user': out = util.inspect(ircUser, iOpts); break;
case 'dump_rtm': out = util.inspect(ircUser.slackRtm, iOpts); break;
case 'dump_web': out = util.inspect(ircUser.slackWeb, iOpts); break;
}
if (out) console.log('debug', cmd, out);
}
onIrcDebugJoin(ircUser) {
ircUser.addNickToChannel(debugChannel, ircUser.ircNick);
this.sendIrcChannelJoin(ircUser, debugChannel, 'irslackd debug', [ ircUser.ircNick ]);
}
onIrcDebugPart(ircUser) {
ircUser.removeNickFromChannel(debugChannel, ircUser.ircNick);
this.sendIrcChannelPart(ircUser, debugChannel);
}
async onIrcLine(ircUser, line) {
console.log('irc_in', line);
}
async onIrcError(ircUser, err) {
console.log('irc_err', err);