experimental wtv-search and wtv-proxy (disabled by default, requires external services)
This commit is contained in:
zefie
@@ -0,0 +1,33 @@
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minisrv_service_file = true;
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request_is_async = true;
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const proxyUrl = minisrv_config.services['wtv-proxy'].wrp_url;
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if (!proxyUrl.endsWith('/')) {
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proxyUrl += '/';
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}
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// Remove 'wtv-proxy:/' from the start of request_url
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let forwardPath = request_headers.request_url.replace(/^wtv-proxy:\//, '');
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// Build the full URL to forward to
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const targetUrl = proxyUrl + forwardPath;
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// Forward the request using http(s) module
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const urlObj = new URL(targetUrl);
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const lib = urlObj.protocol === 'https:' ? https : http;
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lib.get(targetUrl, (res) => {
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let headers = `200 OK\n`;
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// Copy content-type if present
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if (res.headers['content-type']) {
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headers += `Content-Type: ${res.headers['content-type']}\n`;
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}
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// Optionally copy other headers as needed
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let data = [];
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res.on('data', chunk => data.push(chunk));
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res.on('end', () => {
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sendToClient(socket, headers, Buffer.concat(data));
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});
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}).on('error', err => {
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sendToClient(socket, '200 OK\nContent-Type: text/plain', `Error fetching image: ${err.message}`);
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});
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@@ -0,0 +1,68 @@
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minisrv_service_file = true;
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request_is_async = true;
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const proxyUrl = minisrv_config.services['wtv-proxy'].wrp_url;
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if (!proxyUrl.endsWith('/')) {
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proxyUrl += '/';
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}
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// Remove 'wtv-proxy:/' from the start of request_url
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let forwardPath = request_headers.request_url.replace(/^wtv-proxy:\//, '');
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// Build the full URL to forward to
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var targetUrl = proxyUrl + forwardPath;
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// Forward the request using http(s) module
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const urlObj = new URL(targetUrl);
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const lib = urlObj.protocol === 'https:' ? https : http;
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coords = request_headers.request_url.split("?")[1];
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if (!coords) {
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coords = '0,0'
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}
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console.log(`Forwarding request to ${targetUrl} with coordinates ${coords}`);
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targetUrl += `?${coords}`; // Append coordinates to the target URL
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lib.get(targetUrl, (res) => {
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let headers = `200 OK\n`;
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// Copy content-type if present
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if (res.headers['content-type']) {
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headers += `Content-Type: ${res.headers['content-type']}\n`;
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}
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// Optionally copy other headers as needed
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let data = '';
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res.on('data', chunk => data += chunk);
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res.on('end', () => {
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if (data.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 = data.match(/<a\s+href="([^"]+)"/i);
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const imgSrcMatch = data.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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var proxy_id = links[0].href.replace(/\/map\//, '');
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proxy_id = proxy_id.replace(/\.map/, '');
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var imgExt = links[0].img.split('.').pop().split('?')[0].toLowerCase();
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const urlInputMatch = data.match(/<input[^>]+type=["']text["'][^>]+name=["']url["'][^>]+value=["']([^"']+)["']/i);
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let pageUrl = '';
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if (urlInputMatch) {
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pageUrl = urlInputMatch[1];
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}
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var redirectUrl = `wtv-proxy:/proxy?id=${proxy_id}&t=${imgExt}&url=${encodeURIComponent(pageUrl)}`;
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sendToClient(socket, {'Status': 302, 'Location': redirectUrl}, '');
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} else {
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var idx = data.indexOf('<BR>');
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data = data.substring(0, idx);
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var redirectUrl = `wtv-proxy:/proxy?err=${escape(data)}`;
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sendToClient(socket, {'Status': 302, 'Location': redirectUrl}, '');
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}
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});
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}).on('error', err => {
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sendToClient(socket, '200 OK\nContent-Type: text/plain', `Error fetching image: ${err.message}`);
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});
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118
zefie_wtvp_minisrv/includes/ServiceVault/wtv-proxy/proxy.js
Normal file
118
zefie_wtvp_minisrv/includes/ServiceVault/wtv-proxy/proxy.js
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@@ -0,0 +1,118 @@
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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.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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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">
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<h1>Web Rendering Proxy</h1>
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<p>Welcome to the Web Rendering Proxy.<br>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="m" value="ismap">
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<input type="submit" value="Go">
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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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} else {
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if (request_headers.query.err) {
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finishPage(`<h1>Error</h1><p>${request_headers.query.err}</p>`).join('<br>');
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} else {
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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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m: request_headers.query.m || 'ismap'
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});
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const fullUrl = proxyUrl + '?' + params.toString();
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const urlObj = new URL(fullUrl);
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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(url) {
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return new Promise((resolve, reject) => {
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lib.get(url, (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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});
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}
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fetch(fullUrl)
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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: ${err.message}`); });
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}
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}
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}
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function process(content) {
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if (content.startsWith('<HTML')) {
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// success page
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// Find all <a href="..."><img src="..."></a> and extract the URLs
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const aHrefMatch = content.match(/<a\s+href="([^"]+)"/i);
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const imgSrcMatch = content.match(/<img\s+src="([^"]+)"/i);
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const links = [];
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if (aHrefMatch && imgSrcMatch) {
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links.push({
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href: aHrefMatch[1],
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img: imgSrcMatch[1]
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});
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}
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finishPage(links.map(link => `<a href="${link.href}"><img src="${link.img}" ISMAP></a>`).join('<br>'));
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// You can now use the `links` array as needed
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} else {
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var idx = content.indexOf('<BR>');
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content = content.substring(0, idx);
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finishPage(content);
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}
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}
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function finishPage(content) {
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headers = `200 OK
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Content-Type: text/html`;
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data = `
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<html>
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<head>
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<title>Web Rendering Proxy</title>
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</head>
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<body bgcolor="#191919" text="#44cc55" link="36d5ff" vlink="36d5ff">
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<form method="POST" action="wtv-proxy:/proxy">
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<label for="url">URL:</label>
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<input type="text" id="url" name="url" value="${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="${request_headers.query.c || '216'}">
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<input type="submit" value="Go">
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<input type="submit" name="Fn" value="Bk">
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<input type="submit" name="Fn" value="Re">
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<hr>
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${content}
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</form>
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<hr>
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<center>
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<a href="/proxy">Start Over</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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}
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