189 lines
7.7 KiB
JavaScript
189 lines
7.7 KiB
JavaScript
import { request } from "undici";
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import { getType } from "./image.js";
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const tenorURLs = [
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"tenor.com",
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"www.tenor.com"
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];
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const giphyURLs = [
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"giphy.com",
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"www.giphy.com",
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"i.giphy.com"
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];
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const giphyMediaURLs = [ // there could be more of these
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"media.giphy.com",
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"media0.giphy.com",
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"media1.giphy.com",
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"media2.giphy.com",
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"media3.giphy.com",
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"media4.giphy.com"
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];
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const imgurURLs = [
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"imgur.com",
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"www.imgur.com",
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"i.imgur.com"
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];
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const gfycatURLs = [
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"gfycat.com",
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"www.gfycat.com",
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"thumbs.gfycat.com",
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"giant.gfycat.com"
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];
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const combined = [...tenorURLs, ...giphyURLs, ...giphyMediaURLs, ...imgurURLs, ...gfycatURLs];
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const imageFormats = ["image/jpeg", "image/png", "image/webp", "image/gif", "large"];
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const videoFormats = ["video/mp4", "video/webm", "video/mov"];
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// gets the proper image paths
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const getImage = async (image, image2, video, extraReturnTypes, gifv = false, type = null, link = false) => {
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try {
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const fileNameSplit = new URL(image).pathname.split("/");
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const fileName = fileNameSplit[fileNameSplit.length - 1];
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const fileNameNoExtension = fileName.slice(0, fileName.lastIndexOf("."));
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const payload = {
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url: image2,
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path: image,
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name: fileNameNoExtension
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};
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const host = new URL(image2).host;
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if (gifv || (link && combined.includes(host))) {
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if (tenorURLs.includes(host)) {
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// Tenor doesn't let us access a raw GIF without going through their API,
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// so we use that if there's a key in the config
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if (process.env.TENOR !== "") {
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let id;
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if (image2.includes("tenor.com/view/")) {
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id = image2.split("-").pop();
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} else if (image2.endsWith(".gif")) {
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const redirect = (await request(image2, { method: "HEAD" })).headers.location;
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id = redirect.split("-").pop();
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}
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const data = await request(`https://tenor.googleapis.com/v2/posts?ids=${id}&media_filter=gif&limit=1&key=${process.env.TENOR}`);
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if (data.statusCode === 429) {
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if (extraReturnTypes) {
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payload.type = "tenorlimit";
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return payload;
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} else {
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return;
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}
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}
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const json = await data.body.json();
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if (json.error) throw Error(json.error.message);
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payload.path = json.results[0].media_formats.gif.url;
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}
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} else if (giphyURLs.includes(host)) {
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// Can result in an HTML page instead of a GIF
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payload.path = `https://media0.giphy.com/media/${image2.split("/")[4].split("-").pop()}/giphy.gif`;
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} else if (giphyMediaURLs.includes(host)) {
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payload.path = `https://media0.giphy.com/media/${image2.split("/")[4]}/giphy.gif`;
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} else if (imgurURLs.includes(host)) {
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// Seems that Imgur has a possibility of making GIFs static
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payload.path = image.replace(".mp4", ".gif");
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} else if (gfycatURLs.includes(host)) {
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// iirc Gfycat also seems to sometimes make GIFs static
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if (link) {
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const data = await request(`https://api.gfycat.com/v1/gfycats/${image.split("/").pop().split(".mp4")[0]}`);
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const json = await data.body.json();
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if (json.errorMessage) throw Error(json.errorMessage);
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payload.path = json.gfyItem.gifUrl;
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} else {
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payload.path = `https://thumbs.gfycat.com/${image.split("/").pop().split(".mp4")[0]}-size_restricted.gif`;
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}
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}
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payload.type = "image/gif";
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} else if (video) {
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payload.type = type ?? await getType(payload.path, extraReturnTypes);
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if (!payload.type || (!videoFormats.includes(payload.type) && !imageFormats.includes(payload.type))) return;
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} else {
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payload.type = type ?? await getType(payload.path, extraReturnTypes);
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if (!payload.type || !imageFormats.includes(payload.type)) return;
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}
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return payload;
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} catch (error) {
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if (error.name === "AbortError") {
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throw Error("Timed out");
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} else {
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throw error;
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}
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}
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};
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const checkImages = async (message, extraReturnTypes, video, sticker) => {
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let type;
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if (sticker && message.stickerItems) {
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type = message.stickerItems[0];
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} else {
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// first check the embeds
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if (message.embeds.length !== 0) {
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// embeds can vary in types, we check for tenor gifs first
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if (message.embeds[0].type === "gifv") {
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type = await getImage(message.embeds[0].video.url, message.embeds[0].url, video, extraReturnTypes, true);
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// then we check for other image types
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} else if ((message.embeds[0].type === "video" || message.embeds[0].type === "image") && message.embeds[0].thumbnail) {
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type = await getImage(message.embeds[0].thumbnail.proxyURL, message.embeds[0].thumbnail.url, video, extraReturnTypes);
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// finally we check both possible image fields for "generic" embeds
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} else if (message.embeds[0].type === "rich" || message.embeds[0].type === "article") {
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if (message.embeds[0].thumbnail) {
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type = await getImage(message.embeds[0].thumbnail.proxyURL, message.embeds[0].thumbnail.url, video, extraReturnTypes);
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} else if (message.embeds[0].image) {
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type = await getImage(message.embeds[0].image.proxyURL, message.embeds[0].image.url, video, extraReturnTypes);
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}
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}
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// then check the attachments
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} else if (message.attachments.size !== 0 && message.attachments.first().width) {
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type = await getImage(message.attachments.first().proxyURL, message.attachments.first().url, video);
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}
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}
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// if the return value exists then return it
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return type ?? false;
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};
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// this checks for the latest message containing an image and returns the url of the image
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export default async (client, cmdMessage, interaction, options, extraReturnTypes = false, video = false, sticker = false, singleMessage = false) => {
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// we start by determining whether or not we're dealing with an interaction or a message
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if (interaction) {
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// we can get a raw attachment or a URL in the interaction itself
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if (options) {
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if (options.image) {
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const attachment = interaction.data.resolved.attachments.get(options.image);
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const result = await getImage(attachment.proxyURL, attachment.url, video, attachment.contentType);
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if (result !== false) return result;
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} else if (options.link) {
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const result = await getImage(options.link, options.link, video, extraReturnTypes, false, null, true);
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if (result !== false) return result;
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}
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}
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}
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if (cmdMessage) {
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// check if the message is a reply to another message
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if (cmdMessage.messageReference && !singleMessage) {
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const replyMessage = await client.rest.channels.getMessage(cmdMessage.messageReference.channelID, cmdMessage.messageReference.messageID).catch(() => undefined);
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if (replyMessage) {
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const replyResult = await checkImages(replyMessage, extraReturnTypes, video, sticker);
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if (replyResult !== false) return replyResult;
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}
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}
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// then we check the current message
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const result = await checkImages(cmdMessage, extraReturnTypes, video, sticker);
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if (result !== false) return result;
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}
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if (!singleMessage) {
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// if there aren't any replies or interaction attachments then iterate over the last few messages in the channel
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try {
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const channel = (interaction ? interaction : cmdMessage).channel ?? await client.rest.channels.get((interaction ? interaction : cmdMessage).channelID);
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const messages = await channel.getMessages();
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// iterate over each message
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for (const message of messages) {
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const result = await checkImages(message, extraReturnTypes, video, sticker);
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if (result === false) {
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continue;
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} else {
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return result;
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}
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}
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} catch {
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// no-op
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}
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}
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};
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