@baileys-md/baileys
Version:
Baileys WhatsApp API
81 lines • 2.91 kB
JavaScript
//=======================================================//
import { extractImageThumb, getHttpStream } from "./messages-media.js";
import { prepareWAMessageMedia } from "./messages.js";
//=======================================================//
const THUMBNAIL_WIDTH_PX = 192;
//=======================================================//
const getCompressedJpegThumbnail = async (url, { thumbnailWidth, fetchOpts }) => {
const stream = await getHttpStream(url, fetchOpts);
const result = await extractImageThumb(stream, thumbnailWidth);
return result;
};
//=======================================================//
export const getUrlInfo = async (text, opts = {
thumbnailWidth: THUMBNAIL_WIDTH_PX,
fetchOpts: { timeout: 3000 }
}) => {
try {
const retries = 0;
const maxRetry = 5;
const { getLinkPreview } = await import("link-preview-js");
let previewLink = text;
if (!text.startsWith("https://") && !text.startsWith("http://")) {
previewLink = "https://" + previewLink;
}
const info = await getLinkPreview(previewLink, {
...opts.fetchOpts,
followRedirects: "follow",
handleRedirects: (baseURL, forwardedURL) => {
const urlObj = new URL(baseURL);
const forwardedURLObj = new URL(forwardedURL);
if (retries >= maxRetry) {
return false;
}
if (forwardedURLObj.hostname === urlObj.hostname ||
forwardedURLObj.hostname === "www." + urlObj.hostname ||
"www." + forwardedURLObj.hostname === urlObj.hostname) {
retries + 1;
return true;
}
else {
return false;
}
},
headers: opts.fetchOpts?.headers
});
if (info && "title" in info && info.title) {
const [image] = info.images;
const urlInfo = {
"canonical-url": info.url,
"matched-text": text,
title: info.title,
description: info.description,
originalThumbnailUrl: image
};
if (opts.uploadImage) {
const { imageMessage } = await prepareWAMessageMedia({ image: { url: image } }, {
upload: opts.uploadImage,
mediaTypeOverride: "thumbnail-link",
options: opts.fetchOpts
});
urlInfo.jpegThumbnail = imageMessage?.jpegThumbnail ? Buffer.from(imageMessage.jpegThumbnail) : undefined;
urlInfo.highQualityThumbnail = imageMessage || undefined;
}
else {
try {
urlInfo.jpegThumbnail = image ? (await getCompressedJpegThumbnail(image, opts)).buffer : undefined;
}
catch (error) {
opts.logger?.debug({ err: error.stack, url: previewLink }, "error in generating thumbnail");
}
}
return urlInfo;
}
}
catch (error) {
if (!error.message.includes("receive a valid")) {
throw error;
}
}
};
//=======================================================//