This commit is contained in:
JandereDev 2022-04-26 10:16:14 +02:00
parent f34d01745d
commit eafb6e2373
Signed by: Lea
GPG key ID: 5D5E18ACB990F57A
4 changed files with 34 additions and 48 deletions

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@ -21,6 +21,7 @@
"log75": "^2.2.0",
"monk": "^7.3.4",
"revolt-api": "^0.5.3-rc.8",
"smart-replace": "^1.0.1",
"ulid": "^2.3.0"
}
}

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@ -8,10 +8,12 @@ import GenericEmbed from "../types/GenericEmbed";
import FormData from 'form-data';
import { discordFetchUser, revoltFetchMessage } from "../util";
import { TextChannel } from "discord.js";
import { smartReplace } from "smart-replace";
const MAX_BRIDGED_FILE_SIZE = 8_000_000; // 8 MB
const RE_MENTION_USER = /<@!*[0-9]+>/g;
const RE_MENTION_CHANNEL = /<#[0-9]+>/g;
const RE_EMOJI = /<(a?)?:\w+:\d{18}?>/g;
client.on('messageDelete', async message => {
try {
@ -198,41 +200,31 @@ client.on('messageCreate', async message => {
// Replaces @mentions and #channel mentions
async function renderMessageBody(message: string): Promise<string> {
// We don't want users to generate large amounts of database and API queries
let failsafe = 0;
// @mentions
while (failsafe < 10) {
failsafe++;
const text = message.match(RE_MENTION_USER)?.[0];
if (!text) break;
const id = text.replace('<@!', '').replace('<@', '').replace('>', '');
message = await smartReplace(message, RE_MENTION_USER, async (match: string) => {
const id = match.replace('<@!', '').replace('<@', '').replace('>', '');
const user = await discordFetchUser(id);
// replaceAll() when
while (message.includes(text)) message = message.replace(text, `@${user?.username || id}`);
}
return `@${user?.username || id}`;
}, { cacheMatchResults: true, maxMatches: 10 });
// #channels
while (failsafe < 10) {
failsafe++;
const text = message.match(RE_MENTION_CHANNEL)?.[0];
if (!text) break;
const id = text.replace('<#', '').replace('>', '');
message = await smartReplace(message, RE_MENTION_CHANNEL, async (match: string) => {
const id = match.replace('<#', '').replace('>', '');
const channel = client.channels.cache.get(id);
const bridgeCfg = channel ? await BRIDGE_CONFIG.findOne({ discord: channel.id }) : undefined;
const revoltChannel = bridgeCfg?.revolt
? revoltClient.channels.get(bridgeCfg.revolt)
: undefined;
while (message.includes(text)) {
message = message.replace(text, revoltChannel ? `<#${revoltChannel._id}>` : `#${(channel as TextChannel)?.name || id}`);
}
}
return revoltChannel ? `<#${revoltChannel._id}>` : `#${(channel as TextChannel)?.name || id}`;
}, { cacheMatchResults: true, maxMatches: 10 });
// :emojis:
message = await smartReplace(message, RE_EMOJI, async (match: string) => {
return match
.replace(/<(a?)?:/, ':\u200b') // We don't want to accidentally send an unrelated emoji, so we add a zero width space here
.replace(/(:\d{18}?>)/, ':');
}, { cacheMatchResults: true });
return message;
}

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@ -5,6 +5,7 @@ import { MessageEmbed, MessagePayload, TextChannel, WebhookClient, WebhookMessag
import GenericEmbed from "../types/GenericEmbed";
import { SendableEmbed } from "revolt-api";
import { clipText, discordFetchMessage, revoltFetchUser } from "../util";
import { smartReplace } from "smart-replace";
const RE_MENTION_USER = /<@[0-9A-HJ-KM-NP-TV-Z]{26}>/g;
const RE_MENTION_CHANNEL = /<#[0-9A-HJ-KM-NP-TV-Z]{26}>/g;
@ -189,39 +190,26 @@ async function renderMessageBody(message: string): Promise<string> {
let failsafe = 0;
// @mentions
while (failsafe < 10) {
failsafe++;
const text = message.match(RE_MENTION_USER)?.[0];
if (!text) break;
const id = text.replace('<@', '').replace('>', '');
message = await smartReplace(message, RE_MENTION_USER, async (match) => {
const id = match.replace('<@', '').replace('>', '');
const user = await revoltFetchUser(id);
// replaceAll() when
while (message.includes(text)) message = message.replace(text, `@${user?.username || id}`);
}
return `@${user?.username || id}`;
}, { cacheMatchResults: true, maxMatches: 10 });
// #channels
while (failsafe < 10) {
failsafe++;
const text = message.match(RE_MENTION_CHANNEL)?.[0];
if (!text) break;
const id = text.replace('<#', '').replace('>', '');
message = await smartReplace(message, RE_MENTION_CHANNEL, async (match) => {
const id = match.replace('<#', '').replace('>', '');
const channel = client.channels.get(id);
const bridgeCfg = channel ? await BRIDGE_CONFIG.findOne({ revolt: channel._id }) : undefined;
const discordChannel = bridgeCfg?.discord
? discordClient.channels.cache.get(bridgeCfg.discord)
: undefined;
while (message.includes(text)) {
message = message.replace(text, discordChannel ? `<#${discordChannel.id}>` : `#${channel?.name || id}`);
}
}
return discordChannel ? `<#${discordChannel.id}>` : `#${channel?.name || id}`;
}, { cacheMatchResults: true, maxMatches: 10 });
// :emojis: (todo lol)
// TODO: fetch emojis and upload them to Discord or smth
return message;
}

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@ -479,6 +479,11 @@ saslprep@^1.0.0:
dependencies:
sparse-bitfield "^3.0.3"
smart-replace@^1.0.1:
version "1.0.1"
resolved "https://registry.yarnpkg.com/smart-replace/-/smart-replace-1.0.1.tgz#4a99193ffc60bd3004370d79e1fd5103fb546ee5"
integrity sha512-2XhBOaa8I+OhjeXk4heFJ6VnFn6qfmT1JA5yFolH1CfGmg5fgV6/7izu8fL5+AFM3bIxFbnPiliFY8lDQ+33WQ==
sparse-bitfield@^3.0.3:
version "3.0.3"
resolved "https://registry.yarnpkg.com/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz#ff4ae6e68656056ba4b3e792ab3334d38273ca11"