185 lines
6.9 KiB
JavaScript
185 lines
6.9 KiB
JavaScript
// @ts-check
|
|
|
|
const assert = require("assert")
|
|
const reg = require("../../matrix/read-registration")
|
|
|
|
const passthrough = require("../../passthrough")
|
|
const {discord, sync, db, select} = passthrough
|
|
/** @type {import("../../matrix/api")} */
|
|
const api = sync.require("../../matrix/api")
|
|
/** @type {import("../../matrix/file")} */
|
|
const file = sync.require("../../matrix/file")
|
|
/** @type {import("../converters/user-to-mxid")} */
|
|
const userToMxid = sync.require("../converters/user-to-mxid")
|
|
/** @type {import("xxhash-wasm").XXHashAPI} */ // @ts-ignore
|
|
let hasher = null
|
|
// @ts-ignore
|
|
require("xxhash-wasm")().then(h => hasher = h)
|
|
|
|
/**
|
|
* A sim is an account that is being simulated by the bridge to copy events from the other side.
|
|
* @param {import("discord-api-types/v10").APIUser} user
|
|
* @returns mxid
|
|
*/
|
|
async function createSim(user) {
|
|
// Choose sim name
|
|
const simName = userToMxid.userToSimName(user)
|
|
const localpart = reg.ooye.namespace_prefix + simName
|
|
const mxid = `@${localpart}:${reg.ooye.server_name}`
|
|
|
|
// Save chosen name in the database forever
|
|
// Making this database change right away so that in a concurrent registration, the 2nd registration will already have generated a different localpart because it can see this row when it generates
|
|
db.prepare("INSERT INTO sim (discord_id, sim_name, localpart, mxid) VALUES (?, ?, ?, ?)").run(user.id, simName, localpart, mxid)
|
|
|
|
// Register matrix user with that name
|
|
try {
|
|
await api.register(localpart)
|
|
} catch (e) {
|
|
// If user creation fails, manually undo the database change. Still isn't perfect, but should help.
|
|
// (A transaction would be preferable, but I don't think it's safe to leave transaction open across event loop ticks.)
|
|
db.prepare("DELETE FROM sim WHERE discord_id = ?").run(user.id)
|
|
throw e
|
|
}
|
|
return mxid
|
|
}
|
|
|
|
/**
|
|
* Ensure a sim is registered for the user.
|
|
* If there is already a sim, use that one. If there isn't one yet, register a new sim.
|
|
* @param {import("discord-api-types/v10").APIUser} user
|
|
* @returns {Promise<string>} mxid
|
|
*/
|
|
async function ensureSim(user) {
|
|
let mxid = null
|
|
const existing = select("sim", "mxid", "WHERE discord_id = ?").pluck().get(user.id)
|
|
if (existing) {
|
|
mxid = existing
|
|
} else {
|
|
mxid = await createSim(user)
|
|
}
|
|
return mxid
|
|
}
|
|
|
|
/**
|
|
* Ensure a sim is registered for the user and is joined to the room.
|
|
* @param {import("discord-api-types/v10").APIUser} user
|
|
* @param {string} roomID
|
|
* @returns {Promise<string>} mxid
|
|
*/
|
|
async function ensureSimJoined(user, roomID) {
|
|
// Ensure room ID is really an ID, not an alias
|
|
assert.ok(roomID[0] === "!")
|
|
|
|
// Ensure user
|
|
const mxid = await ensureSim(user)
|
|
|
|
// Ensure joined
|
|
const existing = select("sim_member", "mxid", "WHERE room_id = ? AND mxid = ?").pluck().get(roomID, mxid)
|
|
if (!existing) {
|
|
try {
|
|
await api.inviteToRoom(roomID, mxid)
|
|
await api.joinRoom(roomID, mxid)
|
|
} catch (e) {
|
|
if (e.message.includes("is already in the room.")) {
|
|
// Sweet!
|
|
} else {
|
|
throw e
|
|
}
|
|
}
|
|
db.prepare("INSERT OR IGNORE INTO sim_member (room_id, mxid) VALUES (?, ?)").run(roomID, mxid)
|
|
}
|
|
return mxid
|
|
}
|
|
|
|
/**
|
|
* @param {import("discord-api-types/v10").APIUser} user
|
|
* @param {Omit<import("discord-api-types/v10").APIGuildMember, "user">} member
|
|
*/
|
|
async function memberToStateContent(user, member, guildID) {
|
|
let displayname = user.username
|
|
// if (member.nick && member.nick !== displayname) displayname = member.nick + " | " + displayname // prepend nick if present
|
|
if (member.nick) displayname = member.nick
|
|
|
|
const content = {
|
|
displayname,
|
|
membership: "join",
|
|
"moe.cadence.ooye.member": {
|
|
},
|
|
"uk.half-shot.discord.member": {
|
|
bot: !!user.bot,
|
|
displayColor: user.accent_color,
|
|
id: user.id,
|
|
username: user.discriminator.length === 4 ? `${user.username}#${user.discriminator}` : `@${user.username}`
|
|
}
|
|
}
|
|
|
|
if (member.avatar || user.avatar) {
|
|
// const avatarPath = file.userAvatar(user) // the user avatar only
|
|
const avatarPath = file.memberAvatar(guildID, user, member) // the member avatar or the user avatar
|
|
content["moe.cadence.ooye.member"].avatar = avatarPath
|
|
content.avatar_url = await file.uploadDiscordFileToMxc(avatarPath)
|
|
}
|
|
|
|
return content
|
|
}
|
|
|
|
function hashProfileContent(content) {
|
|
const unsignedHash = hasher.h64(`${content.displayname}\u0000${content.avatar_url}`)
|
|
const signedHash = unsignedHash - 0x8000000000000000n // shifting down to signed 64-bit range
|
|
return signedHash
|
|
}
|
|
|
|
/**
|
|
* Sync profile data for a sim user. This function follows the following process:
|
|
* 1. Join the sim to the room if needed
|
|
* 2. Make an object of what the new room member state content would be, including uploading the profile picture if it hasn't been done before
|
|
* 3. Compare against the previously known state content, which is helpfully stored in the database
|
|
* 4. If the state content has changes, send it to Matrix and update it in the database for next time
|
|
* @param {import("discord-api-types/v10").APIUser} user
|
|
* @param {Omit<import("discord-api-types/v10").APIGuildMember, "user">} member
|
|
* @returns {Promise<string>} mxid of the updated sim
|
|
*/
|
|
async function syncUser(user, member, guildID, roomID) {
|
|
const mxid = await ensureSimJoined(user, roomID)
|
|
const content = await memberToStateContent(user, member, guildID)
|
|
const currentHash = hashProfileContent(content)
|
|
const existingHash = select("sim_member", "hashed_profile_content", "WHERE room_id = ? AND mxid = ?").safeIntegers().pluck().get(roomID, mxid)
|
|
// only do the actual sync if the hash has changed since we last looked
|
|
if (existingHash !== currentHash) {
|
|
await api.sendState(roomID, "m.room.member", mxid, content, mxid)
|
|
db.prepare("UPDATE sim_member SET hashed_profile_content = ? WHERE room_id = ? AND mxid = ?").run(currentHash, roomID, mxid)
|
|
}
|
|
return mxid
|
|
}
|
|
|
|
async function syncAllUsersInRoom(roomID) {
|
|
const mxids = select("sim_member", "mxid", "WHERE room_id = ?").pluck().all(roomID)
|
|
|
|
const channelID = select("channel_room", "channel_id", "WHERE room_id = ?").pluck().get(roomID)
|
|
assert.ok(typeof channelID === "string")
|
|
|
|
/** @ts-ignore @type {import("discord-api-types/v10").APIGuildChannel} */
|
|
const channel = discord.channels.get(channelID)
|
|
const guildID = channel.guild_id
|
|
assert.ok(typeof guildID === "string")
|
|
|
|
for (const mxid of mxids) {
|
|
const userID = select("sim", "discord_id", "WHERE mxid = ?").pluck().get(mxid)
|
|
assert.ok(typeof userID === "string")
|
|
|
|
/** @ts-ignore @type {Required<import("discord-api-types/v10").APIGuildMember>} */
|
|
const member = await discord.snow.guild.getGuildMember(guildID, userID)
|
|
/** @ts-ignore @type {Required<import("discord-api-types/v10").APIUser>} user */
|
|
const user = member.user
|
|
assert.ok(user)
|
|
|
|
console.log(`[user sync] to matrix: ${user.username} in ${channel.name}`)
|
|
await syncUser(user, member, guildID, roomID)
|
|
}
|
|
}
|
|
|
|
module.exports._memberToStateContent = memberToStateContent
|
|
module.exports.ensureSim = ensureSim
|
|
module.exports.ensureSimJoined = ensureSimJoined
|
|
module.exports.syncUser = syncUser
|
|
module.exports.syncAllUsersInRoom = syncAllUsersInRoom
|