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node.js
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node.js
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function get_value(v) {
kv = v.split(':');
return kv.length > 1 ? kv[1].replace(/^\s+/g, "") : "";
}
function is_match(l, r) {
var result = ""
for (i = l.length-1; i >= 0; i--) {
if (r.test(l[i])) {
result = get_value(l[i]);
return result;
}
}
return result;
}
var ip_ptn = /(([1-9]?[0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]?[0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])/;
var info = {};
var data_list = 1;
module.exports = function (RED) {
function IpWhoisNode(config) {
RED.nodes.createNode(this, config);
var node = this;
node.on('input', function (msg) {
var ip = msg.payload;
var whois = require('whois');
if (ip_ptn.test(ip)) {
whois.lookup(ip, function (err, data) {
if (err) {
node.error(err);
}
data_list = data.split('\n');
info.ip = ip;
info.netname = is_match(data_list, /[Nn]et[Nn]ame:/);
info.descr = is_match(data_list, /[Dd]escr:|[Oo]rg[Nn]ame:/);
info.country = is_match(data_list, /[Cc]ountry:/);
msg.payload = info;
node.send(msg);
});
}
else {
msg.payload = "Please set ip-address to 'msg.payload.'";
node.send(msg);
}
});
}
RED.nodes.registerType("ipwhois", IpWhoisNode);
}