138 lines
5.4 KiB
JavaScript
138 lines
5.4 KiB
JavaScript
// @ts-check
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const assert = require("assert").strict
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/** @type {any} */ // @ts-ignore bad types from semaphore
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const Semaphore = require("@chriscdn/promise-semaphore")
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const sqlite = require("better-sqlite3")
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const HeatSync = require("heatsync")
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const config = require("../config")
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const passthrough = require("../passthrough")
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const sync = new HeatSync({watchFS: false})
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/** @type {import("../matrix/read-registration")} */
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const reg = sync.require("../matrix/read-registration")
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assert(reg.old_bridge)
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const oldAT = reg.old_bridge.as_token
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const newAT = reg.as_token
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const oldDB = new sqlite(reg.old_bridge.database)
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const db = new sqlite("db/ooye.db")
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db.exec(`CREATE TABLE IF NOT EXISTS migration (
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discord_channel TEXT NOT NULL,
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migrated INTEGER NOT NULL,
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PRIMARY KEY("discord_channel")
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) WITHOUT ROWID;`)
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Object.assign(passthrough, {config, sync, db})
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const DiscordClient = require("../d2m/discord-client")
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const discord = new DiscordClient(config.discordToken, "half")
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passthrough.discord = discord
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/** @type {import("../d2m/actions/create-space")} */
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const createSpace = sync.require("../d2m/actions/create-space")
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/** @type {import("../d2m/actions/create-room")} */
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const createRoom = sync.require("../d2m/actions/create-room")
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/** @type {import("../matrix/mreq")} */
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const mreq = sync.require("../matrix/mreq")
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/** @type {import("../matrix/api")} */
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const api = sync.require("../matrix/api")
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const sema = new Semaphore()
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;(async () => {
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await discord.cloud.connect()
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console.log("Discord gateway started")
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discord.cloud.on("event", event => onPacket(discord, event))
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})()
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/** @param {DiscordClient} discord */
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function onPacket(discord, event) {
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if (event.t === "GUILD_CREATE") {
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const guild = event.d
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if (!["112760669178241024"].includes(guild.id)) return
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sema.request(() => migrateGuild(guild))
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}
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}
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const newBridgeMxid = `@${reg.sender_localpart}:${reg.ooye.server_name}`
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/** @param {import("discord-api-types/v10").GatewayGuildCreateDispatchData} guild */
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async function migrateGuild(guild) {
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console.log(`START MIGRATION of ${guild.name} (${guild.id})`)
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// Step 1: Create a new space for the guild (createSpace)
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const spaceID = await createSpace.syncSpace(guild.id)
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let oldRooms = oldDB.prepare("SELECT matrix_id, discord_guild, discord_channel FROM room_entries INNER JOIN remote_room_data ON remote_id = room_id WHERE discord_guild = ?").all(guild.id)
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const migrated = db.prepare("SELECT discord_channel FROM migration WHERE migrated = 1").pluck().all()
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oldRooms = oldRooms.filter(row => discord.channels.has(row.discord_channel) && !migrated.includes(row.discord_channel))
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console.log("Found these rooms which can be migrated:")
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console.log(oldRooms)
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for (const row of oldRooms) {
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const roomID = row.matrix_id
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const channel = discord.channels.get(row.discord_channel)
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assert(channel)
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// Step 2: (Using old bridge access token) Join the new bridge to the old rooms and give it PL 100
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console.log(`-- Joining channel ${channel.name}...`)
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await mreq.withAccessToken(oldAT, async () => {
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try {
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await api.inviteToRoom(roomID, newBridgeMxid)
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} catch (e) {
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if (e.message.includes("is already in the room")) {
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// Great!
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} else {
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throw e
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}
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}
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await api.setUserPower(roomID, newBridgeMxid, 100)
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})
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await api.joinRoom(roomID)
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// Step 3: Remove the old bridge's aliases
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console.log(`-- -- Deleting aliases...`)
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await mreq.withAccessToken(oldAT, async () => { // have to run as old application service since the AS owns its aliases
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const aliases = (await mreq.mreq("GET", `/client/v3/rooms/${roomID}/aliases`)).aliases
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for (const alias of aliases) {
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if (alias.match(/^#?_?discord/)) {
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await mreq.mreq("DELETE", `/client/v3/directory/room/${alias.replace(/#/g, "%23")}`)
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}
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}
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await api.sendState(roomID, "m.room.canonical_alias", "", {})
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})
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// Step 4: Add old rooms to new database; they are now also the new rooms
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// Make sure it wasn't already set up for the new bridge and bridged somewhere else pre-migration...
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const preMigrationRow = db.prepare("SELECT room_id, nick, custom_avatar FROM channel_room WHERE channel_id = ?").get(channel.id)
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if (preMigrationRow) {
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// Ok, so we're going to delete this row from the database and then add the new proper row.
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// But we want to copy over any previous custom settings like nick and avatar.
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// (By the way, thread_parent is always null here because thread rooms would never be migrated because they are not in the old bridge.)
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db.transaction(() => {
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db.prepare("DELETE FROM channel_room WHERE channel_id = ?").run(channel.id)
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db.prepare("INSERT INTO channel_room (channel_id, room_id, name, nick, custom_avatar) VALUES (?, ?, ?, ?, ?)").run(channel.id, row.matrix_id, channel.name, preMigrationRow.nick, preMigrationRow.custom_avatar)
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console.log(`-- -- Added to database (transferred properties from previous OOYE room)`)
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})()
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} else {
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db.prepare("REPLACE INTO channel_room (channel_id, room_id, name) VALUES (?, ?, ?)").run(channel.id, row.matrix_id, channel.name)
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console.log(`-- -- Added to database`)
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}
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// Step 5: Call syncRoom for each room
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await createRoom.syncRoom(row.discord_channel)
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console.log(`-- -- Finished syncing`)
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db.prepare("INSERT INTO migration (discord_channel, migrated) VALUES (?, 1)").run(channel.id)
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}
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// Step 5: Call syncSpace to make sure everything is up to date
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await createSpace.syncSpace(guild.id)
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console.log(`Finished migrating ${guild.name} to Out Of Your Element`)
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}
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