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Update index.ts

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This commit is contained in:
Daniel Hougaard
2025-09-03 20:43:15 +02:00
parent c8275f41a3
commit 6abd58ee21
1 changed files with 6 additions and 2 deletions
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8
backend/src/lib/ip/index.ts
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@@ -1,5 +1,7 @@
import net from "node:net"; import net from "node:net";
import RE2 from "re2";
import { ForbiddenRequestError } from "../errors"; import { ForbiddenRequestError } from "../errors";
export enum IPType { export enum IPType {
@@ -7,6 +9,8 @@ export enum IPType {
IPV6 = "ipv6" IPV6 = "ipv6"
} }
const PORT_REGEX = new RE2(/^\d+$/);
/** /**
* Strips port from IP address if present. * Strips port from IP address if present.
* Handles both IPv4 (e.g. 1.2.3.4:1234) and IPv6 (e.g. [2001:db8::1]:8080) formats. * Handles both IPv4 (e.g. 1.2.3.4:1234) and IPv6 (e.g. [2001:db8::1]:8080) formats.
@@ -19,14 +23,14 @@ const stripPort = (ip: string): { ipAddress: string } => {
if (endBracketIndex === -1) return { ipAddress: ip }; if (endBracketIndex === -1) return { ipAddress: ip };
const ipPart = ip.slice(1, endBracketIndex); const ipPart = ip.slice(1, endBracketIndex);
const portPart = ip.slice(endBracketIndex + 2); const portPart = ip.slice(endBracketIndex + 2);
if (!portPart || !/^\d+$/.test(portPart)) return { ipAddress: ip }; if (!portPart || !PORT_REGEX.test(portPart)) return { ipAddress: ip };
return { ipAddress: ipPart }; return { ipAddress: ipPart };
} }
// Handle IPv4 with port (e.g. 1.2.3.4:1234) // Handle IPv4 with port (e.g. 1.2.3.4:1234)
if (ip.includes(":")) { if (ip.includes(":")) {
const [ipPart, portPart] = ip.split(":"); const [ipPart, portPart] = ip.split(":");
if (!portPart || !/^\d+$/.test(portPart)) return { ipAddress: ip }; if (!portPart || !PORT_REGEX.test(portPart)) return { ipAddress: ip };
return { ipAddress: ipPart }; return { ipAddress: ipPart };
} }