diff --git a/api/src/util/handlers/Message.ts b/api/src/util/handlers/Message.ts
deleted file mode 100644
index 398b8914..00000000
--- a/api/src/util/handlers/Message.ts
+++ /dev/null
@@ -1,283 +0,0 @@
-import {
- Channel,
- Embed,
- emitEvent,
- Guild,
- Message,
- MessageCreateEvent,
- MessageUpdateEvent,
- getPermission,
- getRights,
- CHANNEL_MENTION,
- Snowflake,
- USER_MENTION,
- ROLE_MENTION,
- Role,
- EVERYONE_MENTION,
- HERE_MENTION,
- MessageType,
- User,
- Application,
- Webhook,
- Attachment,
- Config,
-} from "@fosscord/util";
-import { HTTPError } from "lambert-server";
-import fetch from "node-fetch";
-import cheerio from "cheerio";
-import { MessageCreateSchema } from "../../routes/channels/#channel_id/messages";
-const allow_empty = false;
-// TODO: check webhook, application, system author, stickers
-// TODO: embed gifs/videos/images
-
-const LINK_REGEX = /https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)/g;
-
-const DEFAULT_FETCH_OPTIONS: any = {
- redirect: "follow",
- follow: 1,
- headers: {
- "user-agent": "Mozilla/5.0 (compatible; Fosscord/1.0; +https://github.com/fosscord/fosscord)"
- },
- // size: 1024 * 1024 * 5, // grabbed from config later
- compress: true,
- method: "GET"
-};
-
-export async function handleMessage(opts: MessageOptions): Promise<Message> {
- const channel = await Channel.findOneOrFail({ where: { id: opts.channel_id }, relations: ["recipients"] });
- if (!channel || !opts.channel_id) throw new HTTPError("Channel not found", 404);
-
- const message = new Message({
- ...opts,
- sticker_items: opts.sticker_ids?.map((x) => ({ id: x })),
- guild_id: channel.guild_id,
- channel_id: opts.channel_id,
- attachments: opts.attachments || [],
- embeds: opts.embeds || [],
- reactions: /*opts.reactions ||*/[],
- type: opts.type ?? 0,
- });
-
- if (message.content && message.content.length > Config.get().limits.message.maxCharacters) {
- throw new HTTPError("Content length over max character limit");
- }
-
- if (opts.author_id) {
- message.author = await User.getPublicUser(opts.author_id);
- const rights = await getRights(opts.author_id);
- rights.hasThrow("SEND_MESSAGES");
- }
- if (opts.application_id) {
- message.application = await Application.findOneOrFail({ id: opts.application_id });
- }
- if (opts.webhook_id) {
- message.webhook = await Webhook.findOneOrFail({ id: opts.webhook_id });
- }
-
- const permission = await getPermission(opts.author_id, channel.guild_id, opts.channel_id);
- permission.hasThrow("SEND_MESSAGES");
- if (permission.cache.member) {
- message.member = permission.cache.member;
- }
-
- if (opts.tts) permission.hasThrow("SEND_TTS_MESSAGES");
- if (opts.message_reference) {
- permission.hasThrow("READ_MESSAGE_HISTORY");
- // code below has to be redone when we add custom message routing
- if (message.guild_id !== null) {
- const guild = await Guild.findOneOrFail({ id: channel.guild_id });
- if (!guild.features.includes("CROSS_CHANNEL_REPLIES")) {
- if (opts.message_reference.guild_id !== channel.guild_id) throw new HTTPError("You can only reference messages from this guild");
- if (opts.message_reference.channel_id !== opts.channel_id) throw new HTTPError("You can only reference messages from this channel");
- }
- }
- /** Q: should be checked if the referenced message exists? ANSWER: NO
- otherwise backfilling won't work **/
- // @ts-ignore
- message.type = MessageType.REPLY;
- }
-
- // TODO: stickers/activity
- if (!allow_empty && (!opts.content && !opts.embeds?.length && !opts.attachments?.length && !opts.sticker_ids?.length)) {
- throw new HTTPError("Empty messages are not allowed", 50006);
- }
-
- var content = opts.content;
- var mention_channel_ids = [] as string[];
- var mention_role_ids = [] as string[];
- var mention_user_ids = [] as string[];
- var mention_everyone = false;
-
- if (content) { // TODO: explicit-only mentions
- message.content = content.trim();
- for (const [_, mention] of content.matchAll(CHANNEL_MENTION)) {
- if (!mention_channel_ids.includes(mention)) mention_channel_ids.push(mention);
- }
-
- for (const [_, mention] of content.matchAll(USER_MENTION)) {
- if (!mention_user_ids.includes(mention)) mention_user_ids.push(mention);
- }
-
- await Promise.all(
- Array.from(content.matchAll(ROLE_MENTION)).map(async ([_, mention]) => {
- const role = await Role.findOneOrFail({ id: mention, guild_id: channel.guild_id });
- if (role.mentionable || permission.has("MANAGE_ROLES")) {
- mention_role_ids.push(mention);
- }
- })
- );
-
- if (permission.has("MENTION_EVERYONE")) {
- mention_everyone = !!content.match(EVERYONE_MENTION) || !!content.match(HERE_MENTION);
- }
- }
-
- message.mention_channels = mention_channel_ids.map((x) => new Channel({ id: x }));
- message.mention_roles = mention_role_ids.map((x) => new Role({ id: x }));
- message.mentions = mention_user_ids.map((x) => new User({ id: x }));
- message.mention_everyone = mention_everyone;
-
- // TODO: check and put it all in the body
-
- return message;
-}
-
-// TODO: cache link result in db
-export async function postHandleMessage(message: Message) {
- var links = message.content?.match(LINK_REGEX);
- if (!links) return;
-
- const data = { ...message };
- data.embeds = data.embeds.filter((x) => x.type !== "link");
-
- links = links.slice(0, 20) as RegExpMatchArray; // embed max 20 links — TODO: make this configurable with instance policies
-
- const { endpointPublic, resizeWidthMax, resizeHeightMax } = Config.get().cdn;
-
- for (const link of links) {
- try {
- const request = await fetch(link, {
- ...DEFAULT_FETCH_OPTIONS,
- size: Config.get().limits.message.maxEmbedDownloadSize,
- });
-
- let embed: Embed;
-
- const type = request.headers.get("content-type");
- if (type?.indexOf("image") == 0) {
- embed = {
- provider: {
- url: link,
- name: new URL(link).hostname,
- },
- image: {
- // can't be bothered rn
- proxy_url: `${endpointPublic}/external/resize/${encodeURIComponent(link)}?width=500&height=400`,
- url: link,
- width: 500,
- height: 400
- }
- };
- data.embeds.push(embed);
- }
- else {
- const text = await request.text();
- const $ = cheerio.load(text);
-
- const title = $('meta[property="og:title"]').attr("content");
- const provider_name = $('meta[property="og:site_name"]').text();
- const author_name = $('meta[property="article:author"]').attr("content");
- const description = $('meta[property="og:description"]').attr("content") || $('meta[property="description"]').attr("content");
-
- const image = $('meta[property="og:image"]').attr("content");
- const width = parseInt($('meta[property="og:image:width"]').attr("content") || "") || undefined;
- const height = parseInt($('meta[property="og:image:height"]').attr("content") || "") || undefined;
-
- const url = $('meta[property="og:url"]').attr("content");
- // TODO: color
- embed = {
- provider: {
- url: link,
- name: provider_name
- }
- };
-
- const resizeWidth = Math.min(resizeWidthMax ?? 1, width ?? 100);
- const resizeHeight = Math.min(resizeHeightMax ?? 1, height ?? 100);
- if (author_name) embed.author = { name: author_name };
- if (image) embed.thumbnail = {
- proxy_url: `${endpointPublic}/external/resize/${encodeURIComponent(image)}?width=${resizeWidth}&height=${resizeHeight}`,
- url: image,
- width: width,
- height: height
- };
- if (title) embed.title = title;
- if (url) embed.url = url;
- if (description) embed.description = description;
-
- const approvedProviders = [
- "media4.giphy.com",
- "c.tenor.com",
- // todo: make configurable? don't really care tho
- ];
-
- // very bad code below
- // don't care lol
- if (embed?.thumbnail?.url && approvedProviders.indexOf(new URL(embed.thumbnail.url).hostname) !== -1) {
- embed = {
- provider: {
- url: link,
- name: new URL(link).hostname,
- },
- image: {
- proxy_url: `${endpointPublic}/external/resize/${encodeURIComponent(image!)}?width=${resizeWidth}&height=${resizeHeight}`,
- url: image,
- width: width,
- height: height
- }
- };
- }
-
- if (title || description) {
- data.embeds.push(embed);
- }
- }
- } catch (error) { }
- }
-
- await Promise.all([
- emitEvent({
- event: "MESSAGE_UPDATE",
- channel_id: message.channel_id,
- data
- } as MessageUpdateEvent),
- Message.update({ id: message.id, channel_id: message.channel_id }, { embeds: data.embeds })
- ]);
-}
-
-export async function sendMessage(opts: MessageOptions) {
- const message = await handleMessage({ ...opts, timestamp: new Date() });
-
- await Promise.all([
- Message.insert(message),
- emitEvent({ event: "MESSAGE_CREATE", channel_id: opts.channel_id, data: message.toJSON() } as MessageCreateEvent)
- ]);
-
- postHandleMessage(message).catch((e) => { }); // no await as it should catch error non-blockingly
-
- return message;
-}
-
-interface MessageOptions extends MessageCreateSchema {
- id?: string;
- type?: MessageType;
- pinned?: boolean;
- author_id?: string;
- webhook_id?: string;
- application_id?: string;
- embeds?: Embed[];
- channel_id?: string;
- attachments?: Attachment[];
- edited_timestamp: Date | null;
- timestamp?: Date;
-}
|
