Initial commit.
This commit is contained in:
Tarrgon
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import { AllowedMentionsTypes, Message as DiscordMessage, GuildTextBasedChannel, OmitPartialGroupDMChannel, PartialMessage, ReadonlyCollection } from 'discord.js';
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import { config } from '../config';
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import { E621Post } from '../types';
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import { getE621Post, getE621PostByMd5, getPostUrl, hasBlacklistedTags } from '../utils/e621-utils';
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import { Database } from '../shared/Database';
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import { logDeletion, logEdit } from '../utils/message-logger';
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import { isEdited } from '../utils/message-utils';
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export type Message<InGuild extends boolean = boolean> = OmitPartialGroupDMChannel<DiscordMessage<InGuild>>;
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export type Partial = OmitPartialGroupDMChannel<PartialMessage>;
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// TODO: I don't know of any good way to not hardcode this regex for e621 links. So I've provided two that may need to have the port altered.
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const postRegex = new RegExp('!?https?://(?:.*@)?(?:e621|e926)\\.net/+posts/+([0-9]+)', 'gi');
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const imageRegex = new RegExp('!?https?://(?:.*@)?static[0-9]*\\.(?:e621|e926)\\.net/+data/+(?:sample/+|preview/+|)[\\da-f]{2}/+[\\da-f]{2}/+([\\da-f]{32})\\.[\\da-z]+', 'gi');
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const postRegex_DEV = new RegExp('!?https?://(?:.*@)?localhost:3000/+posts/+([0-9]+)', 'gi');
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const imageRegex_DEV = new RegExp('!?https?://(?:.*@)?localhost:3000/+data/+(?:sample/+|preview/+|)[\\da-f]{2}/+[\\da-f]{2}/+([\\da-f]{32})\\.[\\da-z]+', 'gi');
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const postIDRegex = new RegExp('post #([0-9]+)', 'gi');
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const tagSearchRegex = '(?:[\\S]| )+?';
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const wikiLinkRegex = new RegExp(`\\[\\[(${tagSearchRegex})]]`, 'gi');
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const searchLinkRegex = new RegExp(`{{(${tagSearchRegex})}}`, 'gi');
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const regexTesters = [
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{ runInDev: false, regex: postRegex, handler: postHandler },
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{ runInDev: false, regex: imageRegex, handler: imageHandler },
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{ runInDev: true, regex: postRegex_DEV, handler: postHandler },
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{ runInDev: true, regex: imageRegex_DEV, handler: imageHandler },
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{ runInDev: true, regex: postIDRegex, handler: postIdHandler },
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{ runInDev: true, regex: wikiLinkRegex, handler: wikiPageHandler },
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{ runInDev: true, regex: searchLinkRegex, handler: searchHandler }
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];
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const uniqueRegexMatches = (g, i, a) => a.findIndex(v => v[1] == g[1]) == i;
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export async function handleMessageCreate(message: Message) {
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if (message.author.bot) return;
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if (message.inGuild()) await Database.putMessage(message);
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for (const test of regexTesters) {
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if (config.DEV_MODE && !test.runInDev) continue;
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const hasMatches = test.regex.test(message.content);
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test.regex.lastIndex = 0;
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if (hasMatches) {
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const matches: RegExpExecArray[] = [];
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let match: RegExpExecArray | null;
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while ((match = test.regex.exec(message.content)) != null) {
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matches.push(match);
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}
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test.regex.lastIndex = 0;
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if (!await test.handler(message, matches.filter(uniqueRegexMatches))) return;
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}
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}
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}
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export async function handleMessageUpdate(oldMessage: Message | PartialMessage, newMessage: Message) {
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if (newMessage.author.bot) return;
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const loggedMessage = await Database.getMessageWithRetry(newMessage.id);
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if (!loggedMessage) return;
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if (newMessage.inGuild() && isEdited(loggedMessage, newMessage)) {
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await Database.putMessage(newMessage);
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await logEdit(loggedMessage, newMessage);
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}
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if (loggedMessage.content == newMessage.content) return;
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for (const test of regexTesters) {
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if (config.DEV_MODE && !test.runInDev) continue;
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const hasMatches = test.regex.test(newMessage.content);
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test.regex.lastIndex = 0;
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if (hasMatches) {
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const oldMatches: RegExpExecArray[] = [];
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const newMatches: RegExpExecArray[] = [];
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let match: RegExpExecArray | null;
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while ((match = test.regex.exec(newMessage.content)) != null) {
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newMatches.push(match);
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}
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test.regex.lastIndex = 0;
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while ((match = test.regex.exec(loggedMessage.content)) != null) {
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oldMatches.push(match);
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}
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test.regex.lastIndex = 0;
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const properMatches: RegExpExecArray[] = [];
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for (const newMatch of newMatches) {
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if (!oldMatches.find(m => m[1] == newMatch[1])) properMatches.push(newMatch);
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}
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if (properMatches.length > 0 && !await test.handler(newMessage, properMatches.filter(uniqueRegexMatches))) return;
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}
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}
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}
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export async function handleMessageDelete(message: Message | PartialMessage) {
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const loggedMessage = await Database.getMessageWithRetry(message.id);
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if (!loggedMessage) return;
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if (message.inGuild()) await logDeletion(loggedMessage, message);
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}
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export async function handleBulkMessageDelete(messages: ReadonlyCollection<string, Message | Partial>, channel: GuildTextBasedChannel) {
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for (const message of messages.values()) {
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await handleMessageDelete(message);
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}
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}
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async function searchHandler(message: Message, matchedGroups: RegExpExecArray[]): Promise<boolean> {
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let content = '';
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for (const group of matchedGroups) {
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content += `<${config.E621_BASE_URL}/posts?tags=${encodeURIComponent(group[1])}>\n`;
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}
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await message.reply(content.trim());
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return true;
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}
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async function wikiPageHandler(message: Message, matchedGroups: RegExpExecArray[]): Promise<boolean> {
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let content = '';
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for (const group of matchedGroups) {
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content += `<${config.E621_BASE_URL}/wiki_pages/${encodeURIComponent(group[1])}>\n`;
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}
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await message.reply(content.trim());
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return true;
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}
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async function blacklistIfNecessary(message: Message, posts: E621Post[]): Promise<boolean> {
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const staffCategories = await Database.getGuildStaffCategories(message.guildId!);
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const blacklistedIds: number[] = [];
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const channel = await message.channel.fetch() as GuildTextBasedChannel;
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for (const post of posts) {
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if (hasBlacklistedTags(post)) {
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blacklistedIds.push(post.id);
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}
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}
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if (blacklistedIds.length == 0) return false;
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await message.delete();
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if (channel.parentId && staffCategories.includes(channel.parentId)) {
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await message.channel.send({
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content: `_sucks message into the void._ ${message.author.toString()} nono, don't post links to ${blacklistedIds.length == 1 ? `post ${blacklistedIds[0]}` : `posts \`${blacklistedIds.join('`, `')}\``}. See rule #5.b for more details.`,
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allowedMentions: {
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users: [message.author.id]
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}
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});
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} else {
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await message.channel.send({
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content: `_sucks message into the void._ ${message.author.toString()} nono, don't post links to young/cub content. See rule #5.b for more details.`,
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allowedMentions: {
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users: [message.author.id]
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}
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});
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}
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return true;
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}
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async function postIdHandler(message: Message, matchedGroups: RegExpExecArray[]): Promise<boolean> {
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if (!message.guildId) return true;
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const posts: E621Post[] = [];
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for (const match of matchedGroups) {
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try {
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const post = await getE621Post(match[1]);
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if (post) posts.push(post);
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} catch (e) {
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console.error(e);
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}
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}
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if (await blacklistIfNecessary(message, posts)) return false;
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const content = posts.map(post => getPostUrl(post)).join('\n');
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if (content.length > 0) await message.reply(content);
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return true;
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}
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async function postHandler(message: Message, matchedGroups: RegExpExecArray[]): Promise<boolean> {
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if (!message.guildId) return true;
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const posts: E621Post[] = [];
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for (const match of matchedGroups) {
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try {
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const post = await getE621Post(match[1]);
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if (post) posts.push(post);
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} catch (e) {
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console.error(e);
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}
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}
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if (await blacklistIfNecessary(message, posts)) return false;
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return true;
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}
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async function imageHandler(message: Message, matchedGroups: RegExpExecArray[]): Promise<boolean> {
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if (!message.guildId) return true;
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const posts: E621Post[] = [];
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for (const match of matchedGroups) {
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try {
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const post = await getE621PostByMd5(match[1]);
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if (post) posts.push(post);
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} catch (e) {
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console.error(e);
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}
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}
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if (await blacklistIfNecessary(message, posts)) return false;
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const content = posts.map(post => getPostUrl(post)).join('\n');
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if (content.length > 0) await message.reply(content);
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return true;
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}
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