80 lines
1.8 KiB
JavaScript
80 lines
1.8 KiB
JavaScript
var https = require("https");
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var path = require("path");
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var fs = require("fs");
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var domain = require("domain");
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var Logger = require("./logger");
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function retrieveIPs(cb) {
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var options = {
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host: "www.dan.me.uk",
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port: 443,
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path: "/torlist/",
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method: "GET"
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};
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var finish = function (status, data) {
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if (status !== 200) {
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cb(new Error("Failed to retrieve Tor IP list (HTTP " + status + ")"), null);
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return;
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}
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var ips = data.split("\n");
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cb(false, ips);
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};
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var d = domain.create();
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d.on("error", function (err) {
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if (err.stack)
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Logger.errlog.log(err.stack);
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else
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Logger.errlog.log(err);
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});
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d.run(function () {
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var req = https.request(options, function (res) {
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var buffer = "";
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res.setEncoding("utf-8");
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res.on("data", function (data) { buffer += data; });
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res.on("end", function () { finish(res.statusCode, buffer); });
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});
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req.end();
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});
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}
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function getTorIPs(cb) {
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retrieveIPs(function (err, ips) {
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if (!err) {
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cb(false, ips);
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fs.writeFile(path.join(__dirname, "..", "torlist"),
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ips.join("\n"));
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return;
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}
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fs.readFile(path.join(__dirname, "..", "torlist"), function (err, data) {
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if (err) {
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cb(err, null);
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return;
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}
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data = (""+data).split("\n");
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cb(false, data);
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});
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});
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}
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var _ipList = [];
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getTorIPs(function (err, ips) {
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if (err) {
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Logger.errlog.log(err);
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return;
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}
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Logger.syslog.log("Loaded Tor IP list");
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_ipList = ips;
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});
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exports.isTorExit = function (ip) {
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return _ipList.indexOf(ip) >= 0;
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};
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