90 lines
2.2 KiB
JavaScript
Executable File
90 lines
2.2 KiB
JavaScript
Executable File
const readers = require('./url_to_markdown_readers.js');
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const processor = require('./url_to_markdown_processor.js');
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const validURL = require('@7c/validurl');
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const express = require('express');
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const rateLimit = require('express-rate-limit');
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const JSDOM = require('jsdom').JSDOM;
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const port = process.env.PORT;
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const app = express();
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const rateLimiter = rateLimit({
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windowMs: 30 * 1000,
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max: 5,
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message: 'Rate limit exceeded',
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headers: true
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});
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app.use(rateLimiter);
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app.use(express.urlencoded({
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extended: true,
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limit: '10mb'
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}));
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function send_headers(res) {
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res.header("Access-Control-Allow-Origin", '*');
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res.header("Access-Control-Allow-Methods", 'GET, POST');
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res.header("Access-Control-Expose-Headers", 'X-Title');
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res.header("Content-Type", 'text/markdown');
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}
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function read_url(url, res, inline_title, ignore_links) {
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reader = readers.reader_for_url(url);
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send_headers(res);
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reader.read_url(url, res, inline_title, ignore_links);
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}
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app.get('/', (req, res) => {
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const url = req.query.url;
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const title = req.query.title;
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const links = req.query.links;
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let inline_title = false;
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let ignore_links = false;
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if (title) {
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inline_title = (title === 'true');
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}
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if (links) {
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ignore_links = (links === 'false');
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}
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if (url && validURL(url)) {
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read_url(url, res, inline_title, ignore_links);
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} else {
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res.status(400).send("Please specify a valid url query parameter");
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}
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});
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app.post('/', function(req, res) {
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const html = req.body.html;
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const url = req.body.url;
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const links = req.query.links;
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const title = req.query.title;
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let ignore_links = false;
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let inline_title = false;
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if (title) {
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inline_title = (title === 'true');
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}
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if (links) {
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ignore_links = (links === 'false');
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}
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if (readers.ignore_post(url)) {
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read_url(url, res, inline_title, ignore_links);
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return;
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}
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if (!html) {
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res.status(400).send("Please provide a POST parameter called html");
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} else {
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try {
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let document = new JSDOM(html);
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let markdown = processor.process_dom(url, document, res, inline_title, ignore_links);
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send_headers(res);
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res.send(markdown);
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} catch (error) {
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res.status(400).send("Could not parse that document");
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}
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}
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});
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app.listen(port, () => {
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})
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