Move everything to src folder... it had to happen

src/discord/interactions/bridge.js

@@ -0,0 +1,115 @@
+// @ts-check
+
+const DiscordTypes = require("discord-api-types/v10")
+const Ty = require("../../types")
+const {discord, sync, db, select, from, as} = require("../../passthrough")
+const assert = require("assert/strict")
+
+/** @type {import("../../matrix/api")} */
+const api = sync.require("../../matrix/api")
+
+/** @type {Map<string, Promise<{name: string, value: string}[]>>} spaceID -> list of rooms */
+const cache = new Map()
+/** @type {Map<string, string>} roomID -> spaceID */
+const reverseCache = new Map()
+
+// Manage clearing the cache
+sync.addTemporaryListener(as, "type:m.room.name", /** @param {Ty.Event.StateOuter<Ty.Event.M_Room_Name>} event */ async event => {
+	if (event.state_key !== "") return
+	const roomID = event.room_id
+	const spaceID = reverseCache.get(roomID)
+	if (!spaceID) return
+	const childRooms = await cache.get(spaceID)
+	if (!childRooms) return
+	if (event.content.name) {
+		const found = childRooms.find(r => r.value === roomID)
+		if (!found) return
+		found.name = event.content.name
+	} else {
+		cache.set(spaceID, Promise.resolve(childRooms.filter(r => r.value !== roomID)))
+		reverseCache.delete(roomID)
+	}
+})
+
+// Manage adding to the cache
+async function getCachedHierarchy(spaceID) {
+	return cache.get(spaceID) || (() => {
+		const entry = (async () => {
+			const result = await api.getFullHierarchy(spaceID)
+			/** @type {{name: string, value: string}[]} */
+			const childRooms = []
+			for (const room of result) {
+				if (room.name && !room.name.match(/^\[[⛓️🔊]\]/) && room.room_type !== "m.space") {
+					childRooms.push({name: room.name, value: room.room_id})
+					reverseCache.set(room.room_id, spaceID)
+				}
+			}
+			return childRooms
+		})()
+		cache.set(spaceID, entry)
+		return entry
+	})()
+}
+
+/** @param {DiscordTypes.APIApplicationCommandAutocompleteGuildInteraction} interaction */
+async function interactAutocomplete({id, token, data, guild_id}) {
+	const spaceID = select("guild_space", "space_id", {guild_id}).pluck().get()
+	if (!spaceID) {
+		return discord.snow.interaction.createInteractionResponse(id, token, {
+			type: DiscordTypes.InteractionResponseType.ApplicationCommandAutocompleteResult,
+			data: {
+				choices: [
+					{
+						name: `Error: This server needs to be bridged somewhere first...`,
+						value: "baby"
+					}
+				]
+			}
+		})
+	}
+
+	let rooms = await getCachedHierarchy(spaceID)
+	// @ts-ignore
+	rooms = rooms.filter(r => r.name.includes(data.options[0].value))
+
+	await discord.snow.interaction.createInteractionResponse(id, token, {
+		type: DiscordTypes.InteractionResponseType.ApplicationCommandAutocompleteResult,
+		data: {
+			choices: rooms
+		}
+	})
+}
+
+/** @param {DiscordTypes.APIChatInputApplicationCommandGuildInteraction} interaction */
+async function interactSubmit({id, token, data, guild_id}) {
+	const spaceID = select("guild_space", "space_id", {guild_id}).pluck().get()
+	if (!spaceID) {
+		return discord.snow.interaction.createInteractionResponse(id, token, {
+			type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+			data: {
+				content: "Error: This server needs to be bridged somewhere first...",
+				flags: DiscordTypes.MessageFlags.Ephemeral
+			}
+		})
+	}
+
+	return discord.snow.interaction.createInteractionResponse(id, token, {
+		type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+		data: {
+			content: "Valid input. This would do something but it isn't implemented yet.",
+			flags: DiscordTypes.MessageFlags.Ephemeral
+		}
+	})
+}
+
+/** @param {DiscordTypes.APIGuildInteraction} interaction */
+async function interact(interaction) {
+	if (interaction.type === DiscordTypes.InteractionType.ApplicationCommandAutocomplete) {
+		return interactAutocomplete(interaction)
+	} else if (interaction.type === DiscordTypes.InteractionType.ApplicationCommand) {
+		// @ts-ignore
+		return interactSubmit(interaction)
+	}
+}
+
+module.exports.interact = interact

src/discord/interactions/invite.js

@@ -0,0 +1,131 @@
+// @ts-check
+
+const DiscordTypes = require("discord-api-types/v10")
+const assert = require("assert/strict")
+const {discord, sync, db, select, from} = require("../../passthrough")
+
+/** @type {import("../../matrix/api")} */
+const api = sync.require("../../matrix/api")
+
+/**
+ * @param {DiscordTypes.APIChatInputApplicationCommandGuildInteraction} interaction
+ * @returns {Promise<DiscordTypes.APIInteractionResponse>}
+ */
+async function _interact({data, channel, guild_id}) {
+	// Check guild is bridged
+	const spaceID = select("guild_space", "space_id", {guild_id}).pluck().get()
+	const roomID = select("channel_room", "room_id", {channel_id: channel.id}).pluck().get()
+	if (!spaceID || !roomID) return {
+		type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+		data: {
+			content: "This server isn't bridged to Matrix, so you can't invite Matrix users.",
+			flags: DiscordTypes.MessageFlags.Ephemeral
+		}
+	}
+
+	// Get named MXID
+	/** @type {DiscordTypes.APIApplicationCommandInteractionDataStringOption[] | undefined} */ // @ts-ignore
+	const options = data.options
+	const input = options?.[0].value || ""
+	const mxid = input.match(/@([^:]+):([a-z0-9:-]+\.[a-z0-9.:-]+)/)?.[0]
+	if (!mxid) return {
+		type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+		data: {
+			content: "You have to say the Matrix ID of the person you want to invite. Matrix IDs look like this: `@username:example.org`",
+			flags: DiscordTypes.MessageFlags.Ephemeral
+		}
+	}
+
+	// Check for existing invite to the space
+	let spaceMember
+	try {
+		spaceMember = await api.getStateEvent(spaceID, "m.room.member", mxid)
+	} catch (e) {}
+	if (spaceMember && spaceMember.membership === "invite") {
+		return {
+			type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+			data: {
+				content: `\`${mxid}\` already has an invite, which they haven't accepted yet.`,
+				flags: DiscordTypes.MessageFlags.Ephemeral
+			}
+		}
+	}
+
+	// Invite Matrix user if not in space
+	if (!spaceMember || spaceMember.membership !== "join") {
+		await api.inviteToRoom(spaceID, mxid)
+		return {
+			type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+			data: {
+				content: `You invited \`${mxid}\` to the server.`
+			}
+		}
+	}
+
+	// The Matrix user *is* in the space, maybe we want to invite them to this channel?
+	let roomMember
+	try {
+		roomMember = await api.getStateEvent(roomID, "m.room.member", mxid)
+	} catch (e) {}
+	if (!roomMember || (roomMember.membership !== "join" && roomMember.membership !== "invite")) {
+		return {
+			type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+			data: {
+				content: `\`${mxid}\` is already in this server. Would you like to additionally invite them to this specific channel?`,
+				flags: DiscordTypes.MessageFlags.Ephemeral,
+				components: [{
+					type: DiscordTypes.ComponentType.ActionRow,
+					components: [{
+						type: DiscordTypes.ComponentType.Button,
+						custom_id: "invite_channel",
+						style: DiscordTypes.ButtonStyle.Primary,
+						label: "Sure",
+					}]
+				}]
+			}
+		}
+	}
+
+	// The Matrix user *is* in the space and in the channel.
+	return {
+		type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+		data: {
+			content: `\`${mxid}\` is already in this server and this channel.`,
+			flags: DiscordTypes.MessageFlags.Ephemeral
+		}
+	}
+}
+
+/**
+ * @param {DiscordTypes.APIMessageComponentGuildInteraction} interaction
+ * @returns {Promise<DiscordTypes.APIInteractionResponse>}
+ */
+async function _interactButton({channel, message}) {
+	const mxid = message.content.match(/`(@(?:[^:]+):(?:[a-z0-9:-]+\.[a-z0-9.:-]+))`/)?.[1]
+	assert(mxid)
+	const roomID = select("channel_room", "room_id", {channel_id: channel.id}).pluck().get()
+	await api.inviteToRoom(roomID, mxid)
+	return {
+		type: DiscordTypes.InteractionResponseType.UpdateMessage,
+		data: {
+			content: `You invited \`${mxid}\` to the channel.`,
+			flags: DiscordTypes.MessageFlags.Ephemeral,
+			components: []
+		}
+	}
+}
+
+/** @param {DiscordTypes.APIChatInputApplicationCommandGuildInteraction} interaction */
+async function interact(interaction) {
+	await discord.snow.interaction.createInteractionResponse(interaction.id, interaction.token, await _interact(interaction))
+}
+
+/** @param {DiscordTypes.APIMessageComponentGuildInteraction} interaction */
+async function interactButton(interaction) {
+	await discord.snow.interaction.createInteractionResponse(interaction.id, interaction.token, await _interactButton(interaction))
+}
+
+module.exports.interact = interact
+module.exports.interactButton = interactButton
+module.exports._interact = _interact
+module.exports._interactButton = _interactButton

src/discord/interactions/matrix-info.js

@@ -0,0 +1,51 @@
+// @ts-check
+
+const DiscordTypes = require("discord-api-types/v10")
+const {discord, sync, db, select, from} = require("../../passthrough")
+
+/** @type {import("../../matrix/api")} */
+const api = sync.require("../../matrix/api")
+
+/** @param {DiscordTypes.APIContextMenuGuildInteraction} interaction */
+/** @param {DiscordTypes.APIMessageApplicationCommandGuildInteraction} interaction */
+async function interact({id, token, guild_id, channel, data}) {
+	const message = from("event_message").join("message_channel", "message_id").join("channel_room", "channel_id")
+		.select("name", "nick", "source", "room_id", "event_id").where({message_id: data.target_id}).get()
+
+	if (!message) {
+		return discord.snow.interaction.createInteractionResponse(id, token, {
+			type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+			data: {
+				content: "This message hasn't been bridged to Matrix.",
+				flags: DiscordTypes.MessageFlags.Ephemeral
+			}
+		})
+	}
+
+	const idInfo = `\n-# Room ID: \`${message.room_id}\`\n-# Event ID: \`${message.event_id}\``
+
+	if (message.source === 1) { // from Discord
+		const userID = data.resolved.messages[data.target_id].author.id
+		return discord.snow.interaction.createInteractionResponse(id, token, {
+			type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+			data: {
+				content: `Bridged <@${userID}> https://discord.com/channels/${guild_id}/${channel.id}/${data.target_id} on Discord to [${message.nick || message.name}](<https://matrix.to/#/${message.room_id}/${message.event_id}>) on Matrix.`
+					+ idInfo,
+				flags: DiscordTypes.MessageFlags.Ephemeral
+			}
+		})
+	}
+
+	// from Matrix
+	const event = await api.getEvent(message.room_id, message.event_id)
+	return discord.snow.interaction.createInteractionResponse(id, token, {
+		type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+		data: {
+			content: `Bridged [${event.sender}](<https://matrix.to/#/${event.sender}>)'s message in [${message.nick || message.name}](<https://matrix.to/#/${message.room_id}/${message.event_id}>) on Matrix to https://discord.com/channels/${guild_id}/${channel.id}/${data.target_id} on Discord.`
+				+ idInfo,
+			flags: DiscordTypes.MessageFlags.Ephemeral
+		}
+	})
+}
+
+module.exports.interact = interact

src/discord/interactions/permissions.js

@@ -0,0 +1,129 @@
+// @ts-check
+
+const DiscordTypes = require("discord-api-types/v10")
+const Ty = require("../../types")
+const {discord, sync, db, select, from} = require("../../passthrough")
+const assert = require("assert/strict")
+
+
+/** @type {import("../../matrix/api")} */
+const api = sync.require("../../matrix/api")
+
+/**
+ * @param {DiscordTypes.APIContextMenuGuildInteraction} interaction
+ * @returns {Promise<DiscordTypes.APIInteractionResponse>}
+ */
+async function _interact({data, channel, guild_id}) {
+	const row = select("event_message", ["event_id", "source"], {message_id: data.target_id}).get()
+	assert(row)
+
+	// Can't operate on Discord users
+	if (row.source === 1) { // discord
+		return {
+			type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+			data: {
+				content: `This command is only meaningful for Matrix users.`,
+				flags: DiscordTypes.MessageFlags.Ephemeral
+			}
+		}
+	}
+
+	// Get the message sender, the person that will be inspected/edited
+	const eventID = row.event_id
+	const roomID = select("channel_room", "room_id", {channel_id: channel.id}).pluck().get()
+	assert(roomID)
+	const event = await api.getEvent(roomID, eventID)
+	const sender = event.sender
+
+	// Get the space, where the power levels will be inspected/edited
+	const spaceID = select("guild_space", "space_id", {guild_id}).pluck().get()
+	assert(spaceID)
+
+	// Get the power level
+	/** @type {Ty.Event.M_Power_Levels} */
+	const powerLevelsContent = await api.getStateEvent(spaceID, "m.room.power_levels", "")
+	const userPower = powerLevelsContent.users?.[event.sender] || 0
+
+	// Administrators equal to the bot cannot be demoted
+	if (userPower >= 100) {
+		return {
+			type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+			data: {
+				content: `\`${sender}\` has administrator permissions. This cannot be edited.`,
+				flags: DiscordTypes.MessageFlags.Ephemeral
+			}
+		}
+	}
+
+	return {
+		type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+		data: {
+			content: `Showing permissions for \`${sender}\`. Click to edit.`,
+			flags: DiscordTypes.MessageFlags.Ephemeral,
+			components: [
+				{
+					type: DiscordTypes.ComponentType.ActionRow,
+					components: [
+						{
+							type: DiscordTypes.ComponentType.StringSelect,
+							custom_id: "permissions_edit",
+							options: [
+								{
+									label: "Default",
+									value: "default",
+									default: userPower < 50
+								}, {
+									label: "Moderator",
+									value: "moderator",
+									default: userPower >= 50 && userPower < 100
+								}
+							]
+						}
+					]
+				}
+			]
+		}
+	}
+}
+
+/**
+ * @param {DiscordTypes.APIMessageComponentSelectMenuInteraction} interaction
+ */
+async function interactEdit({data, id, token, guild_id, message}) {
+	// Get the person that will be inspected/edited
+	const mxid = message.content.match(/`(@(?:[^:]+):(?:[a-z0-9:-]+\.[a-z0-9.:-]+))`/)?.[1]
+	assert(mxid)
+
+	const permission = data.values[0]
+	const power = permission === "moderator" ? 50 : 0
+
+	await discord.snow.interaction.createInteractionResponse(id, token, {
+		type: DiscordTypes.InteractionResponseType.UpdateMessage,
+		data: {
+			content: `Updating \`${mxid}\` to **${permission}**, please wait...`,
+			components: []
+		}
+	})
+
+	// Get the space, where the power levels will be inspected/edited
+	const spaceID = select("guild_space", "space_id", {guild_id}).pluck().get()
+	assert(spaceID)
+
+	// Do it
+	await api.setUserPowerCascade(spaceID, mxid, power)
+
+	// ACK
+	await discord.snow.interaction.editOriginalInteractionResponse(discord.application.id, token, {
+		content: `Updated \`${mxid}\` to **${permission}**.`,
+		components: []
+	})
+}
+
+/** @param {DiscordTypes.APIContextMenuGuildInteraction} interaction */
+async function interact(interaction) {
+	await discord.snow.interaction.createInteractionResponse(interaction.id, interaction.token, await _interact(interaction))
+}
+
+module.exports.interact = interact
+module.exports.interactEdit = interactEdit
+module.exports._interact = _interact

src/discord/interactions/reactions.js

@@ -0,0 +1,58 @@
+// @ts-check
+
+const DiscordTypes = require("discord-api-types/v10")
+const {discord, sync, db, select, from} = require("../../passthrough")
+
+/** @type {import("../../matrix/api")} */
+const api = sync.require("../../matrix/api")
+/** @type {import("../../m2d/converters/utils")} */
+const utils = sync.require("../../m2d/converters/utils")
+
+/** @param {DiscordTypes.APIContextMenuGuildInteraction} interaction */
+/** @param {DiscordTypes.APIMessageApplicationCommandGuildInteraction} interaction */
+async function interact({id, token, data}) {
+	const row = from("event_message").join("message_channel", "message_id").join("channel_room", "channel_id")
+		.select("event_id", "room_id").where({message_id: data.target_id}).get()
+	if (!row) {
+		return discord.snow.interaction.createInteractionResponse(id, token, {
+			type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+			data: {
+				content: "This message hasn't been bridged to Matrix.",
+				flags: DiscordTypes.MessageFlags.Ephemeral
+			}
+		})
+	}
+
+	const reactions = await api.getFullRelations(row.room_id, row.event_id, "m.annotation")
+
+	/** @type {Map<string, string[]>} */
+	const inverted = new Map()
+	for (const reaction of reactions) {
+		if (utils.eventSenderIsFromDiscord(reaction.sender)) continue
+		const key = reaction.content["m.relates_to"].key
+		const displayname = select("member_cache", "displayname", {mxid: reaction.sender, room_id: row.room_id}).pluck().get() || reaction.sender
+		if (!inverted.has(key)) inverted.set(key, [])
+		// @ts-ignore
+		inverted.get(key).push(displayname)
+	}
+
+	if (inverted.size === 0) {
+		return discord.snow.interaction.createInteractionResponse(id, token, {
+			type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+			data: {
+				content: "Nobody from Matrix reacted to this message.",
+				flags: DiscordTypes.MessageFlags.Ephemeral
+			}
+		})
+	}
+
+	return discord.snow.interaction.createInteractionResponse(id, token, {
+		type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
+		data: {
+			content: [...inverted.entries()].map(([key, value]) => `${key} ⮞ ${value.join(" ⬩ ")}`).join("\n"),
+			flags: DiscordTypes.MessageFlags.Ephemeral
+		}
+	})
+}
+
+module.exports.interact = interact