183 lines
6.9 KiB
JavaScript
183 lines
6.9 KiB
JavaScript
minisrv_service_file = true;
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request_is_async = true;
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proxyUrl = minisrv_config.services[service_name].wrp_url;
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if (!proxyUrl) {
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headers = `200 OK
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Content-Type: text/html
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wtv-expire-all: wtv-proxy:/`;
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data = `
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<html>
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<head>
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<title>Web Rendering Proxy</title>
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</head>
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<body bgcolor="#191919" text="#44cc55" link="36d5ff" vlink="36d5ff" fontsize="small">
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<h1>Web Rendering Proxy</h1>
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Sorry, the Web Rendering Proxy is not enabled on this service.<br>
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</body>
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</html>`;
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sendToClient(socket, headers, data);
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} else {
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if (!proxyUrl.endsWith('/')) {
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proxyUrl += '/';
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}
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if (!request_headers.query.url) {
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headers = `200 OK
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Content-Type: text/html
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wtv-expire-all: wtv-proxy:/`;
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data = `
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<html>
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<head>
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<title>Web Rendering Proxy</title>
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</head>
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<body bgcolor="#191919" text="#44cc55" link="36d5ff" vlink="36d5ff" fontsize="small">
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<h1>Web Rendering Proxy</h1>
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<p>Welcome to the Web Rendering Proxy.<br>
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Please provide a valid URL to render.</p>
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<form method="POST" action="wtv-proxy:/proxy">
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<label for="url"> URL:</label>
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<input type="text" id="url" name="url" value="https://" size=38>
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<input type="hidden" name="z" value="1.0">
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<input type="hidden" name="t" value="jpg">
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<input type="hidden" name="c" value="256">
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<input type="hidden" name="h" value="426">
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<input type="hidden" name="w" value="640">
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<input type="hidden" name="m" value="ismap">
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<input type="submit" value="Go">
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</form>
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<hr>
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<center>
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<a href="wtv-tricks:/tricks">Back to Tricks</a>
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</center>
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</body>
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</html>`
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sendToClient(socket, headers, data);
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} else {
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if (request_headers.query.err) {
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finishPage(`<h1>Error</h1><p>${request_headers.query.err}</p>`);
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} else {
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if (request_headers.query.Fn) {
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if (typeof request_headers.query.Fn !== 'string') {
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request_headers.query.Fn = request_headers.query.Fn[0];
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}
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}
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const params = new URLSearchParams({
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url: request_headers.query.url,
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z: request_headers.query.z || '1.0',
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t: request_headers.query.t || 'jpg',
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c: request_headers.query.c || '256',
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h: request_headers.query.h || '426',
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w: request_headers.query.w || '640',
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m: request_headers.query.m || 'ismap',
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Fn: request_headers.query.Fn || ''
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});
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if (params.get('Fn') === '129') {
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params.set('Fn', 'Bk');
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}
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if (params.get('Fn') === 'Home') {
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headers = `302 Moved
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Location: wtv-proxy:/proxy`
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data = '';
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sendToClient(socket, headers, data);
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} else {
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const urlObj = new URL(proxyUrl);
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const post_data = params.toString();
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const options = {
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protocol: urlObj.protocol,
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hostname: urlObj.hostname,
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port: parseInt(urlObj.port),
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path: urlObj.pathname,
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method: 'POST',
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headers: {
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'User-Agent': request_headers['User-Agent'] || 'Mozilla/4.0 WebTV/2.6 (compatible; MSIE 4.0)',
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'Content-Type': 'application/x-www-form-urlencoded',
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'Content-Length': Buffer.byteLength(post_data)
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}
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}
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const lib = urlObj.protocol === 'https:' ? https : http;
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if (request_headers.query.id) {
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finishPage(`<a href="/map/${request_headers.query.id}.map"><img src="/img/${request_headers.query.id}.${params.get('t')}" ISMAP></a>`);
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} else {
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function fetch(options, post_data) {
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return new Promise((resolve, reject) => {
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req = lib.request(options, (res) => {
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let data = '';
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res.on('data', chunk => data += chunk);
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res.on('end', () => resolve({ text: () => Promise.resolve(data) }));
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}).on('error', reject);
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req.write(post_data); // 🔁 Send body
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req.end();
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});
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}
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fetch(options, post_data)
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.then(response => response.text())
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.then(text => { process(text); })
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.catch(err => { finishPage(`Error fetching page: ${err.message}`); });
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}
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}
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}
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}
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}
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function process(content) {
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if (content.startsWith('<HTML')) {
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// success page
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// Find all <a href="..."><img src="..."></a> and extract the URLs
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const aHrefMatch = content.match(/<a\s+href="([^"]+)"/i);
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const imgSrcMatch = content.match(/<img\s+src="([^"]+)"/i);
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const links = [];
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if (aHrefMatch && imgSrcMatch) {
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links.push({
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href: aHrefMatch[1],
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img: imgSrcMatch[1]
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});
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}
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// Extract the current URL
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const urlInputMatch = content.match(/<input[^>]+type=["']text["'][^>]+name=["']url["'][^>]+value=["']([^"']+)["']/i);
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let pageUrl = request_headers.query.url || '';
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if (urlInputMatch) {
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pageUrl = urlInputMatch[1];
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}
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finishPage(links.map(link => `<a href="${link.href}"><img src="${link.img}" ISMAP></a>`).join('<br>'), pageUrl);
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// You can now use the `links` array as needed
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} else {
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var idx = content.indexOf('<BR>');
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content = content.substring(0, idx);
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finishPage(content);
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}
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}
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function finishPage(content, url = null) {
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headers = `200 OK
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Content-Type: text/html
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wtv-expire-all: wtv-proxy:/`;
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data = `
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<html>
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<head>
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<title>Web Rendering Proxy</title>
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</head>
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<display nooptions skipback showwhencomplete>
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<body bgcolor="#191919" text="#44cc55" link="36d5ff" vlink="36d5ff" fontsize="small">
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<form method="POST" action="wtv-proxy:/proxy">
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<label for="url"> URL:</label>
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<input type="text" id="url" name="url" value="${url || request_headers.query.url}" size=30>
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<input type="hidden" name="z" value="${request_headers.query.z || '1.0'}">
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<input type="hidden" name="t" value="${request_headers.query.t || 'jpg'}">
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<input type="hidden" name="c" value="${request_headers.query.c || '216'}">
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<input type="submit" value="Go">
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<input type="submit" name="Fn" value="">
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<input type="submit" name="Fn" value="Re">
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<input type="submit" name="Fn" value="Home">
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<hr>
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${content}
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</form>
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</body>
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</html>`;
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sendToClient(socket, headers, data);
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}
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