68 lines
2.4 KiB
JavaScript
68 lines
2.4 KiB
JavaScript
const fetch = require("node-fetch");
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const fileType = require("file-type");
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const urlRegex = /(?:\w+:)?\/\/(\S+)/;
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// this checks if the file is, in fact, an image
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const typeCheck = async (image) => {
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// download the file to a buffer
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const imageRequest = await fetch(image);
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const imageBuffer = await imageRequest.buffer();
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try {
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// get the file type
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const imageType = fileType(imageBuffer);
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// check if the file is a jpeg, png, or webp
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if (imageType && ["image/jpeg", "image/png", "image/webp", "image/gif"].includes(imageType.mime)) {
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// if it is, then return the url with the file type
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return {
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type: imageType.ext,
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data: imageBuffer
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};
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} else {
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// if not, then return false
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return false;
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}
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} catch (error) {
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throw error;
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}
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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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module.exports = async (cmdMessage) => {
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// we start by getting the messages
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const messages = await cmdMessage.channel.getMessages();
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// iterate over each message
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for (const message of messages) {
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// check the attachments first
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if (message.attachments.length !== 0) {
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// get type of file
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const type = await typeCheck(message.attachments[0].url);
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// move to the next message if the file isn't an image
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if (type === false) continue;
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// if the file is an image then return it
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return type;
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// if there's nothing in the attachments check the urls in the message if there are any
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} else if (urlRegex.test(message.content)) {
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// get url
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const url = message.content.match(urlRegex);
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// get type of file
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const type = await typeCheck(url[0]);
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// move to the next message if the file isn't an image
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if (type === false) continue;
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// if the file is an image then return it
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return type;
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// if there's no urls then check the embeds
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} else if (message.embeds.length !== 0) {
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// embeds can have 2 possible entries with images, we check the thumbnail first
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if (message.embeds[0].thumbnail) {
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const type = await typeCheck(message.embeds[0].thumbnail.url);
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if (type === false) continue;
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return type;
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// if there isn't a thumbnail check the image area
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} else if (message.embeds[0].image) {
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const type = await typeCheck(message.embeds[0].image.url);
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if (type === false) continue;
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return type;
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}
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}
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}
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}; |