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fixes for https://github.com/schlagmichdoch/PairDrop/issues/69

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(squashed, docs updated, IPV6_LOCALIZE input validation)
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luckman212 2023-05-15 13:29:49 -04:00
parent 3c2e73fc0c
commit 32e909b8c2
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18
index.js
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@ -96,6 +96,16 @@ if (debugMode) {
console.log("DEBUG_MODE is active. To protect privacy, do not use in production.")
}
if (process.env.IPV6_LOCALIZE) {
let ipv6_lcl = parseInt(process.env.IPV6_LOCALIZE);
if (!ipv6_lcl || !(0 < ipv6_lcl && ipv6_lcl < 8)) {
console.error("IPV6_LOCALIZE must be an integer between 1 and 7");
return;
} else {
console.log("IPv6 client IPs will be localized to", ipv6_lcl, ipv6_lcl > 1 ? "segments" : "segment");
}
}
app.use(function(req, res) {
res.redirect('/');
});
@ -516,11 +526,19 @@ class Peer {
if (this.ip.substring(0,7) === "::ffff:")
this.ip = this.ip.substring(7);
let ipv6_was_localized = false;
if (ipv6_lcl && this.ip.includes(':')) {
this.ip = this.ip.split(':',ipv6_lcl).join(':');
ipv6_was_localized = true;
}
if (debugMode) {
console.debug("----DEBUGGING-PEER-IP-START----");
console.debug("remoteAddress:", request.connection.remoteAddress);
console.debug("x-forwarded-for:", request.headers['x-forwarded-for']);
console.debug("cf-connecting-ip:", request.headers['cf-connecting-ip']);
if (ipv6_was_localized)
console.debug("IPv6 client IP was localized to", ipv6_lcl, ipv6_lcl > 1 ? "segments" : "segment");
console.debug("PairDrop uses:", this.ip);
console.debug("IP is private:", this.ipIsPrivate(this.ip));
console.debug("if IP is private, '127.0.0.1' is used instead");