File size: 3,039 Bytes
1d40be8 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | // Network tools — HTTP fetch and DNS lookup.
// No arbitrary outbound connections; only HTTP(S) GET/POST.
const UA = 'mona-agent/1.0.0';
const MAX_BODY = 50_000; // 50 KB response cap
const TIMEOUT = 15_000; // 15s
export const net = {
name: 'net',
description: 'HTTP fetch (GET/POST) and basic network operations',
args: {
action: 'string — fetch | ping',
url: 'string — full URL (for fetch)',
method: 'string — GET or POST (default GET)',
body: 'string — request body (for POST)',
host: 'string — hostname (for ping)',
},
async run(args) {
const action = String(args.action || 'fetch').toLowerCase();
switch (action) {
case 'fetch': {
const url = args.url;
if (!url) return { error: 'url required' };
if (!url.startsWith('http://') && !url.startsWith('https://')) {
return { error: 'URL must start with http:// or https://' };
}
const method = (args.method || 'GET').toUpperCase();
if (!['GET', 'POST', 'HEAD'].includes(method)) {
return { error: `Method ${method} not supported`, allowed: ['GET', 'POST', 'HEAD'] };
}
const res = await fetch(url, {
method,
headers: { 'User-Agent': UA },
body: method === 'POST' ? args.body : undefined,
signal: AbortSignal.timeout(TIMEOUT),
});
const contentType = res.headers.get('content-type') || '';
let body;
if (contentType.includes('text/html')) {
const html = await res.text();
body = html
.replace(/<script[^>]*>[\s\S]*?<\/script>/gi, '')
.replace(/<style[^>]*>[\s\S]*?<\/style>/gi, '')
.replace(/<[^>]+>/g, ' ')
.replace(/\s+/g, ' ')
.trim()
.slice(0, MAX_BODY);
} else {
body = (await res.text()).slice(0, MAX_BODY);
}
return {
status: res.status,
contentType,
body,
truncated: body.length >= MAX_BODY,
};
}
case 'ping': {
const host = args.host || args.url;
if (!host) return { error: 'host required' };
// Simple connectivity check — HEAD request
const target = host.startsWith('http') ? host : `https://${host}`;
const start = performance.now();
try {
const res = await fetch(target, {
method: 'HEAD',
signal: AbortSignal.timeout(5000),
headers: { 'User-Agent': UA },
});
return {
reachable: true,
status: res.status,
ms: Math.round(performance.now() - start),
};
} catch (err) {
return {
reachable: false,
error: err.message,
ms: Math.round(performance.now() - start),
};
}
}
default:
return { error: `Unknown net action: ${action}`, available: ['fetch', 'ping'] };
}
},
};
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