105 lines
5.2 KiB
PHP
105 lines
5.2 KiB
PHP
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>CORS Exploitation Lab</title>
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<script src="https://tailwindcss.eitebar.ir/tailwind-play.js"></script>
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</head>
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<body class="bg-gray-900 text-gray-100 font-sans min-h-screen p-8">
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<div class="max-w-4xl mx-auto">
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<h1 class="text-3xl font-bold text-red-500 mb-6 border-b border-red-500/30 pb-4">
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Cross-Origin Resource Sharing (CORS) Lab
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</h1>
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<p class="text-gray-400 mb-8">
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Attempting to read data from <code class="bg-gray-800 px-2 py-1 rounded text-green-400">https://webapp.kr-rezvan.ir/api/secret-data</code>
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which does NOT have CORS headers allowing this domain.
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</p>
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<div class="grid grid-cols-1 md:grid-cols-2 gap-6 mb-8">
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<!-- Test 1: Standard Fetch -->
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<div class="bg-gray-800 p-6 rounded-lg border border-gray-700 hover:border-gray-500 transition">
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<h2 class="text-xl font-bold text-blue-400 mb-2">Test 1: Standard Fetch</h2>
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<p class="text-sm text-gray-400 mb-4">Standard cross-origin request. Browser will enforce Same-Origin Policy.</p>
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<button id="btn-standard" class="w-full bg-blue-600 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded mb-4">
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Run Standard Fetch
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</button>
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</div>
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<!-- Test 2: No-CORS Fetch -->
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<div class="bg-gray-800 p-6 rounded-lg border border-gray-700 hover:border-gray-500 transition">
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<h2 class="text-xl font-bold text-yellow-400 mb-2">Test 2: No-CORS Mode</h2>
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<p class="text-sm text-gray-400 mb-4">Forces request using <code class="text-xs bg-gray-900 p-1">mode: 'no-cors'</code>. Network request happens, but JS cannot see data.</p>
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<button id="btn-nocors" class="w-full bg-yellow-600 hover:bg-yellow-700 text-white font-bold py-2 px-4 rounded mb-4">
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Run No-CORS Fetch
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</button>
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</div>
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</div>
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<!-- Output Console -->
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<div class="bg-black rounded-lg border border-gray-700 shadow-2xl overflow-hidden">
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<div class="bg-gray-800 px-4 py-2 border-b border-gray-700 flex justify-between items-center">
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<span class="text-sm font-mono text-gray-400">Browser Console Output</span>
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<button onclick="document.getElementById('console-output').innerHTML=''" class="text-xs text-gray-500 hover:text-white">Clear</button>
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</div>
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<pre id="console-output" class="p-4 font-mono text-sm h-64 overflow-y-auto text-green-400 whitespace-pre-wrap"></pre>
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</div>
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</div>
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<script>
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const log = (msg, type = 'info') => {
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const out = document.getElementById('console-output');
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let color = 'text-green-400';
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if (type === 'error') color = 'text-red-500';
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if (type === 'warn') color = 'text-yellow-500';
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const time = new Date().toLocaleTimeString();
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out.innerHTML += `<span class="text-gray-600">[${time}]</span> <span class="${color}">${msg}</span>\n`;
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out.scrollTop = out.scrollHeight;
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};
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const targetUrl = 'https://webapp.kr-rezvan.ir/internal/secret-data';
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document.getElementById('btn-standard').addEventListener('click', async () => {
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log('Starting Standard Fetch...', 'info');
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try {
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const response = await fetch(targetUrl);
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const data = await response.json();
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log(`SUCCESS: Data stolen: ${JSON.stringify(data)}`, 'warn');
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} catch (error) {
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log(`CORS ERROR: Browser blocked the read!`, 'error');
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log(`Details: ${error.message}`, 'error');
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log('Note: Open DevTools (F12) Console to see the actual CORS policy error from the browser.', 'info');
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}
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});
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document.getElementById('btn-nocors').addEventListener('click', async () => {
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log(`Starting Fetch with { mode: 'no-cors' }...`, 'info');
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try {
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const response = await fetch(targetUrl, { mode: 'no-cors' });
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log(`Network request succeeded, but response is OPAQUE.`, 'warn');
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log(`Response Type: ${response.type}`, 'warn');
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log(`Response Status: ${response.status}`, 'warn');
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log(`Response StatusText: "${response.statusText}"`, 'warn');
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// Attempt to read body
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try {
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const text = await response.text();
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if(text === "") {
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log('Response body is completely EMPTY to JavaScript.', 'warn');
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} else {
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log(`Body: ${text}`, 'warn');
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}
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} catch(e) {
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log(`Could not read body: ${e.message}`, 'error');
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}
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log('Conclusion: Network request hit the server, but browser hid the response from JS.', 'info');
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} catch (error) {
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log(`Unexpected Error: ${error.message}`, 'error');
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}
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});
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</script>
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</body>
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</html> |