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add Port-Scanner

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MrUnknownDE
2025-09-23 19:47:51 +02:00
parent eabd59e945
commit f21da6b888
5 changed files with 249 additions and 3 deletions
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13
frontend/app/index.html
View File

@@ -217,6 +217,7 @@
<div class="mt-4 space-x-2">
<button id="lookup-ping-button" class="bg-blue-600 hover:bg-blue-700 text-white font-bold py-1 px-3 rounded text-sm transition duration-150 ease-in-out disabled:opacity-50 disabled:cursor-not-allowed" disabled>Ping this IP</button>
<button id="lookup-trace-button" class="bg-teal-600 hover:bg-teal-700 text-white font-bold py-1 px-3 rounded text-sm transition duration-150 ease-in-out disabled:opacity-50 disabled:cursor-not-allowed" disabled>Trace this IP</button>
<button id="lookup-scan-button" class="bg-red-600 hover:bg-red-700 text-white font-bold py-1 px-3 rounded text-sm transition duration-150 ease-in-out disabled:opacity-50 disabled:cursor-not-allowed" disabled>Scan Ports</button>
</div>
<!-- Bereich für Ping-Ergebnisse (Lookup) -->
<div id="lookup-ping-results" class="mt-2 text-sm hidden">
@@ -239,6 +240,16 @@
<div id="traceroute-output"><pre></pre></div>
</div>
<!-- Bereich für Port Scan -->
<div id="port-scan-section" class="mt-8 p-4 bg-gray-700 rounded hidden">
<h2 class="text-xl font-semibold text-purple-300 border-b border-purple-500 pb-1 mb-4">Port Scan Results</h2>
<div id="port-scan-status" class="flex items-center mb-2">
<div id="port-scan-loader" class="loader mr-2 hidden"></div>
<span id="port-scan-message" class="text-gray-400"></span>
</div>
<div id="port-scan-output" class="text-sm font-mono"></div>
</div>
<!-- Globaler Fehlerbereich -->
<div id="global-error" class="mt-6 p-4 bg-red-800 text-red-100 rounded hidden"></div>
@@ -258,4 +269,4 @@
<!-- Eigene JS-Logik -->
<script src="script.js"></script>
</body>
</html>
</html>

110
frontend/app/script.js
View File

@@ -67,6 +67,13 @@ document.addEventListener('DOMContentLoaded', () => {
const tracerouteLoader = document.getElementById('traceroute-loader');
const tracerouteMessage = document.getElementById('traceroute-message');
// --- DOM Elements (Port Scan) ---
const portScanSection = document.getElementById('port-scan-section');
const portScanOutputEl = document.getElementById('port-scan-output');
const portScanLoader = document.getElementById('port-scan-loader');
const portScanMessage = document.getElementById('port-scan-message');
const lookupScanButton = document.getElementById('lookup-scan-button');
// --- DOM Elements (Footer) ---
const commitShaEl = document.getElementById('commit-sha');
@@ -79,6 +86,7 @@ document.addEventListener('DOMContentLoaded', () => {
let currentIp = null; // Store the user's fetched IP
let currentLookupIp = null; // Store the last successfully looked-up IP
let eventSource = null; // Store the EventSource instance for traceroute
let portScanEventSource = null; // Store the EventSource for port scan
// --- Helper Functions ---
@@ -361,6 +369,8 @@ document.addEventListener('DOMContentLoaded', () => {
if (lookupPingLoader) lookupPingLoader.classList.add('hidden');
if (lookupPingOutputEl) lookupPingOutputEl.textContent = '';
if (lookupPingErrorEl) lookupPingErrorEl.textContent = '';
if (portScanSection) portScanSection.classList.add('hidden'); // Hide port scan results
if (portScanOutputEl) portScanOutputEl.innerHTML = '';
hideLookupStatus(); // Hide status on reset
const fieldsToClear = [
@@ -373,6 +383,7 @@ document.addEventListener('DOMContentLoaded', () => {
if (lookupPingButton) lookupPingButton.disabled = true;
if (lookupTraceButton) lookupTraceButton.disabled = true;
if (lookupScanButton) lookupScanButton.disabled = true;
currentLookupIp = null;
// Remove lookup map instance if it exists
@@ -380,6 +391,11 @@ document.addEventListener('DOMContentLoaded', () => {
window['lookup-map_instance'].remove();
window['lookup-map_instance'] = null;
}
if (portScanEventSource) {
portScanEventSource.close();
portScanEventSource = null;
}
}
/** Ruft Informationen für eine spezifische IP ab */
@@ -422,6 +438,7 @@ document.addEventListener('DOMContentLoaded', () => {
if (lookupPingButton) lookupPingButton.disabled = false;
if (lookupTraceButton) lookupTraceButton.disabled = false;
if (lookupScanButton) lookupScanButton.disabled = false;
} catch (error) {
console.error(`Failed to fetch lookup info for ${ipToLookup}:`, error);
@@ -653,6 +670,91 @@ document.addEventListener('DOMContentLoaded', () => {
tracerouteOutputEl.scrollTop = tracerouteOutputEl.scrollHeight;
}
// --- Port Scan Functions ---
function startPortScan(ip) {
if (!ip) {
showGlobalError('Cannot start port scan: IP address is missing.');
return;
}
if (!portScanSection || !portScanOutputEl || !portScanLoader || !portScanMessage) return;
if (portScanEventSource) {
portScanEventSource.close();
}
portScanSection.classList.remove('hidden');
portScanOutputEl.innerHTML = '';
portScanLoader.classList.remove('hidden');
portScanMessage.textContent = `Starting port scan for ${ip}...`;
hideGlobalError();
hideLookupError();
const url = `${API_BASE_URL}/port-scan?targetIp=${encodeURIComponent(ip)}`;
portScanEventSource = new EventSource(url);
portScanEventSource.onopen = () => {
console.log('SSE connection opened for port scan.');
};
portScanEventSource.onerror = (event) => {
console.error('Port Scan EventSource failed:', event);
portScanMessage.textContent = 'Connection error during port scan.';
portScanLoader.classList.add('hidden');
portScanEventSource.close();
};
portScanEventSource.addEventListener('info', (event) => {
const infoData = JSON.parse(event.data);
portScanMessage.textContent = infoData.message;
});
portScanEventSource.addEventListener('port_status', (event) => {
const portData = JSON.parse(event.data);
displayPortScanResult(portData);
});
portScanEventSource.addEventListener('error', (event) => {
const errorData = JSON.parse(event.data);
displayPortScanResult({ error: errorData.error });
});
portScanEventSource.addEventListener('end', (event) => {
const endData = JSON.parse(event.data);
portScanMessage.textContent = endData.message;
portScanLoader.classList.add('hidden');
portScanEventSource.close();
});
}
function displayPortScanResult(data) {
if (!portScanOutputEl) return;
const lineDiv = document.createElement('div');
lineDiv.classList.add('mb-1');
let statusColor = 'text-gray-400';
let statusText = data.status.toUpperCase();
if (data.status === 'open') {
statusColor = 'text-green-400';
statusText = 'OPEN';
} else if (data.status === 'closed') {
statusColor = 'text-red-400';
statusText = 'CLOSED';
} else if (data.status === 'timeout') {
statusColor = 'text-yellow-400';
statusText = 'TIMEOUT (Filtered?)';
}
if (data.error) {
lineDiv.innerHTML = `<span class="text-red-400">Error: ${data.error}</span>`;
} else {
lineDiv.innerHTML = `Port <span class="font-bold w-12 inline-block">${data.port}</span> <span class="w-24 inline-block">(${data.service})</span>: <span class="font-bold ${statusColor}">${statusText}</span>`;
}
portScanOutputEl.appendChild(lineDiv);
portScanOutputEl.scrollTop = portScanOutputEl.scrollHeight;
}
// --- Event Handlers ---
function handleIpClick(event) {
event.preventDefault(); // Verhindert das Standardverhalten des Links (#)
@@ -718,6 +820,13 @@ document.addEventListener('DOMContentLoaded', () => {
}
}
function handleLookupScanClick() {
if (currentLookupIp) {
console.log(`Starting port scan for looked-up IP: ${currentLookupIp}`);
startPortScan(currentLookupIp);
}
}
// --- Initial Load & Event Listeners ---
fetchIpInfo(); // Lade Infos zur eigenen IP
fetchVersionInfo(); // Lade Versionsinfo für Footer
@@ -729,6 +838,7 @@ document.addEventListener('DOMContentLoaded', () => {
});
if (lookupPingButton) lookupPingButton.addEventListener('click', handleLookupPingClick);
if (lookupTraceButton) lookupTraceButton.addEventListener('click', handleLookupTraceClick);
if (lookupScanButton) lookupScanButton.addEventListener('click', handleLookupScanClick);
// Der Event Listener für den IP-Link wird jetzt in fetchIpInfo() hinzugefügt,
// nachdem die IP erfolgreich abgerufen wurde.