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Message fixes | Character limits and embed fixes (#581)

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* Adds message character limits (#503)
* Fixed message `embeds` being ignored for `embed`
* Update Message.ts

Co-authored-by: Erkin Alp Güney <erkinalp9035@gmail.com>
This commit is contained in:
Madeline 2022-01-12 01:27:55 +11:00 committed by GitHub
parent 1b42df8a32
commit e275d2c77d
2 changed files with 14 additions and 8 deletions
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2
api/src/routes/channels/#channel_id/messages/index.ts
View File

@ -172,7 +172,7 @@ router.post(
}
const channel = await Channel.findOneOrFail({ where: { id: channel_id }, relations: ["recipients", "recipients.user"] });
const embeds = [];
const embeds = body.embeds || [];
if (body.embed) embeds.push(body.embed);
let message = await handleMessage({
...body,

20
api/src/util/handlers/Message.ts
View File

@ -17,13 +17,14 @@ import {
User,
Application,
Webhook,
Attachment
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
@ -55,6 +56,10 @@ export async function handleMessage(opts: MessageOptions): Promise<Message> {
type: opts.type ?? 0
});
if (message.content && message.content.length > Config.get().limits.message.maxCharacters) {
throw new HTTPError("Content length over max character limit")
}
// TODO: are tts messages allowed in dm channels? should permission be checked?
if (opts.author_id) {
message.author = await User.getPublicUser(opts.author_id);
@ -67,7 +72,7 @@ export async function handleMessage(opts: MessageOptions): Promise<Message> {
}
const permission = await getPermission(opts.author_id, channel.guild_id, opts.channel_id);
permission.hasThrow("SEND_MESSAGES");
permission.hasThrow("SEND_MESSAGES"); // TODO: add the rights check
if (permission.cache.member) {
message.member = permission.cache.member;
}
@ -75,6 +80,7 @@ export async function handleMessage(opts: MessageOptions): Promise<Message> {
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 and 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");
// TODO: should be checked if the referenced message exists?
@ -83,7 +89,7 @@ export async function handleMessage(opts: MessageOptions): Promise<Message> {
}
// TODO: stickers/activity
if (!opts.content && !opts.embeds?.length && !opts.attachments?.length && !opts.sticker_ids?.length) {
if (!allow_empty || (!opts.content && !opts.embeds?.length && !opts.attachments?.length && !opts.sticker_ids?.length)) {
throw new HTTPError("Empty messages are not allowed", 50006);
}
@ -93,7 +99,7 @@ export async function handleMessage(opts: MessageOptions): Promise<Message> {
var mention_user_ids = [] as string[];
var mention_everyone = false;
if (content) {
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);
@ -135,7 +141,7 @@ export async function postHandleMessage(message: Message) {
const data = { ...message };
data.embeds = data.embeds.filter((x) => x.type !== "link");
links = links.slice(0, 5); // embed max 5 links
links = links.slice(0, 20); // embed max 20 links — TODO: make this configurable with instance policies
for (const link of links) {
try {
@ -188,7 +194,7 @@ export async function sendMessage(opts: MessageOptions) {
emitEvent({ event: "MESSAGE_CREATE", channel_id: opts.channel_id, data: message.toJSON() } as MessageCreateEvent)
]);
postHandleMessage(message).catch((e) => {}); // no await as it shouldnt block the message send function and silently catch error
postHandleMessage(message).catch((e) => {}); // no await as it should catch error non-blockingly
return message;
}