Update useragent
This commit is contained in:
parent
9e8588cc38
commit
f96e947a3d
@ -1,11 +1,11 @@
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import * as cheerio from "cheerio";
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import got from "got";
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import {URL} from "url";
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import { URL } from "url";
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import mime from "mime-types";
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import log from "../../log";
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import Config from "../../config";
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import {findLinksWithSchema} from "../../../shared/linkify";
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import { findLinksWithSchema } from "../../../shared/linkify";
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import storage from "../storage";
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import Client from "../../client";
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import Chan from "../../models/chan";
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@ -37,57 +37,65 @@ export type LinkPreview = {
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thumbActualUrl?: string;
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};
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export default function (client: Client, chan: Chan, msg: Msg, cleanText: string) {
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export default function (
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client: Client,
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chan: Chan,
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msg: Msg,
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cleanText: string
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) {
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if (!Config.values.prefetch) {
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return;
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}
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msg.previews = findLinksWithSchema(cleanText).reduce((cleanLinks: LinkPreview[], link) => {
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const url = normalizeURL(link.link);
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msg.previews = findLinksWithSchema(cleanText).reduce(
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(cleanLinks: LinkPreview[], link) => {
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const url = normalizeURL(link.link);
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// If the URL is invalid and cannot be normalized, don't fetch it
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if (!url) {
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return cleanLinks;
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}
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// If the URL is invalid and cannot be normalized, don't fetch it
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if (!url) {
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return cleanLinks;
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}
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// If there are too many urls in this message, only fetch first X valid links
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if (cleanLinks.length > 4) {
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return cleanLinks;
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}
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// If there are too many urls in this message, only fetch first X valid links
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if (cleanLinks.length > 4) {
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return cleanLinks;
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}
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// Do not fetch duplicate links twice
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if (cleanLinks.some((l) => l.link === link.link)) {
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return cleanLinks;
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}
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// Do not fetch duplicate links twice
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if (cleanLinks.some((l) => l.link === link.link)) {
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return cleanLinks;
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}
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const preview: LinkPreview = {
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type: "loading",
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head: "",
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body: "",
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thumb: "",
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size: -1,
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link: link.link, // Send original matched link to the client
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shown: null,
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};
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const preview: LinkPreview = {
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type: "loading",
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head: "",
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body: "",
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thumb: "",
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size: -1,
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link: link.link, // Send original matched link to the client
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shown: null,
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};
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cleanLinks.push(preview);
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cleanLinks.push(preview);
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fetch(url, {
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accept: "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
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language: client.config.browser?.language || "",
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})
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.then((res) => {
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parse(msg, chan, preview, res, client);
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fetch(url, {
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accept: "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
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language: client.config.browser?.language || "",
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})
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.catch((err) => {
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preview.type = "error";
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preview.error = "message";
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preview.message = err.message;
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emitPreview(client, chan, msg, preview);
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});
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.then((res) => {
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parse(msg, chan, preview, res, client);
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})
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.catch((err) => {
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preview.type = "error";
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preview.error = "message";
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preview.message = err.message;
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emitPreview(client, chan, msg, preview);
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});
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return cleanLinks;
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}, []);
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return cleanLinks;
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},
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[]
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);
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}
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function parseHtml(preview, res, client: Client) {
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@ -117,7 +125,10 @@ function parseHtml(preview, res, client: Client) {
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preview.body = preview.body.substr(0, 300);
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}
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if (!Config.values.prefetchStorage && Config.values.disableMediaPreview) {
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if (
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!Config.values.prefetchStorage &&
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Config.values.disableMediaPreview
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) {
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resolve(res);
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return;
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}
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@ -135,12 +146,15 @@ function parseHtml(preview, res, client: Client) {
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// Verify that thumbnail pic exists and is under allowed size
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if (thumb.length) {
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fetch(thumb, {language: client.config.browser?.language || ""})
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fetch(thumb, {
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language: client.config.browser?.language || "",
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})
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.then((resThumb) => {
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if (
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resThumb !== null &&
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imageTypeRegex.test(resThumb.type) &&
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resThumb.size <= Config.values.prefetchMaxImageSize * 1024
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resThumb.size <=
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Config.values.prefetchMaxImageSize * 1024
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) {
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preview.thumbActualUrl = thumb;
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}
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@ -156,7 +170,11 @@ function parseHtml(preview, res, client: Client) {
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}
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// TODO: type $
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function parseHtmlMedia($: any, preview, client: Client): Promise<FetchRequest> {
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function parseHtmlMedia(
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$: any,
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preview,
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client: Client
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): Promise<FetchRequest> {
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return new Promise((resolve, reject) => {
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if (Config.values.disableMediaPreview) {
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reject();
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@ -183,7 +201,10 @@ function parseHtmlMedia($: any, preview, client: Client): Promise<FetchRequest>
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return;
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}
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$(`meta[property="og:${type}:type"]`).each(function (this: cheerio.Element, i: number) {
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$(`meta[property="og:${type}:type"]`).each(function (
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this: cheerio.Element,
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i: number
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) {
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const mimeType = $(this).attr("content");
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if (!mimeType) {
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@ -192,7 +213,9 @@ function parseHtmlMedia($: any, preview, client: Client): Promise<FetchRequest>
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if (mediaTypeRegex.test(mimeType)) {
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// If we match a clean video or audio tag, parse that as a preview instead
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let mediaUrl = $($(`meta[property="og:${type}"]`).get(i)).attr("content");
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let mediaUrl = $(
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$(`meta[property="og:${type}"]`).get(i)
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).attr("content");
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if (!mediaUrl) {
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return;
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@ -216,7 +239,10 @@ function parseHtmlMedia($: any, preview, client: Client): Promise<FetchRequest>
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language: client.config.browser?.language || "",
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})
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.then((resMedia) => {
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if (resMedia === null || !mediaTypeRegex.test(resMedia.type)) {
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if (
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resMedia === null ||
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!mediaTypeRegex.test(resMedia.type)
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) {
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return reject();
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}
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@ -239,7 +265,13 @@ function parseHtmlMedia($: any, preview, client: Client): Promise<FetchRequest>
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});
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}
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function parse(msg: Msg, chan: Chan, preview: LinkPreview, res: FetchRequest, client: Client) {
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function parse(
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msg: Msg,
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chan: Chan,
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preview: LinkPreview,
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res: FetchRequest,
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client: Client
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) {
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let promise: Promise<FetchRequest | null> | null = null;
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preview.size = res.size;
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@ -262,7 +294,10 @@ function parse(msg: Msg, chan: Chan, preview: LinkPreview, res: FetchRequest, cl
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case "image/jxl":
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case "image/webp":
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case "image/avif":
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if (!Config.values.prefetchStorage && Config.values.disableMediaPreview) {
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if (
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!Config.values.prefetchStorage &&
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Config.values.disableMediaPreview
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) {
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return removePreview(msg, preview);
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}
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@ -330,10 +365,18 @@ function parse(msg: Msg, chan: Chan, preview: LinkPreview, res: FetchRequest, cl
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return handlePreview(client, chan, msg, preview, res);
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}
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void promise.then((newRes) => handlePreview(client, chan, msg, preview, newRes));
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void promise.then((newRes) =>
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handlePreview(client, chan, msg, preview, newRes)
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);
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}
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function handlePreview(client: Client, chan: Chan, msg: Msg, preview: LinkPreview, res) {
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function handlePreview(
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client: Client,
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chan: Chan,
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msg: Msg,
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preview: LinkPreview,
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res
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) {
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const thumb = preview.thumbActualUrl || "";
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delete preview.thumbActualUrl;
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@ -363,7 +406,12 @@ function handlePreview(client: Client, chan: Chan, msg: Msg, preview: LinkPrevie
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});
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}
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function emitPreview(client: Client, chan: Chan, msg: Msg, preview: LinkPreview) {
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function emitPreview(
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client: Client,
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chan: Chan,
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msg: Msg,
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preview: LinkPreview
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) {
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// If there is no title but there is preview or description, set title
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// otherwise bail out and show no preview
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if (!preview.head.length && preview.type === "link") {
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@ -396,7 +444,7 @@ function getRequestHeaders(headers: Record<string, string>) {
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// Certain websites like Amazon only add <meta> tags to known bots,
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// lets pretend to be them to get the metadata
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"User-Agent":
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"Mozilla/5.0 (compatible; Hard Lounge IRC Client; COLD HARD CHATS; +https://git.supernets.org/supernets/hardlounge)" +
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"Mozilla/5.0 (compatible; Hard Lounge IRC Client; COLD HARD CHATS ONLY ON IRC.SUPERNETS.ORG; +https://git.supernets.org/supernets/hardlounge)" +
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" facebookexternalhit/1.1 Twitterbot/1.0",
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Accept: headers.accept || "*/*",
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"X-Purpose": "preview",
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@ -442,17 +490,24 @@ function fetch(uri: string, headers: Record<string, string>) {
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gotStream
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.on("response", function (res) {
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contentLength = parseInt(res.headers["content-length"], 10) || 0;
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contentLength =
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parseInt(res.headers["content-length"], 10) || 0;
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contentType = res.headers["content-type"];
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if (contentType && imageTypeRegex.test(contentType)) {
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// response is an image
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// if Content-Length header reports a size exceeding the prefetch limit, abort fetch
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// and if file is not to be stored we don't need to download further either
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if (contentLength > limit || !Config.values.prefetchStorage) {
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if (
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contentLength > limit ||
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!Config.values.prefetchStorage
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) {
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gotStream.destroy();
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}
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} else if (contentType && mediaTypeRegex.test(contentType)) {
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} else if (
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contentType &&
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mediaTypeRegex.test(contentType)
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) {
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// We don't need to download the file any further after we received content-type header
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gotStream.destroy();
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} else {
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@ -482,13 +537,16 @@ function fetch(uri: string, headers: Record<string, string>) {
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let type = "";
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// If we downloaded more data then specified in Content-Length, use real data size
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const size = contentLength > buffer.length ? contentLength : buffer.length;
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const size =
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contentLength > buffer.length
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? contentLength
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: buffer.length;
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if (contentType) {
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type = contentType.split(/ *; */).shift() || "";
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}
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resolve({data: buffer, type, size});
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resolve({ data: buffer, type, size });
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});
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} catch (e: any) {
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return reject(e);
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