feat: add captcha to forgot password requests

src/services/api/routes/v1/forgotPassword.ts

@@ -1,13 +1,43 @@
 import express from 'express';
 import validator from 'validator';
+import hcaptcha from "hcaptcha";
 import { getPNIDByEmailAddress, getPNIDByUsername } from '@/database';
 import { sendForgotPasswordEmail } from '@/util';
+import { config, disabledFeatures } from "@/config-manager";
 import { HydratedPNIDDocument } from '@/types/mongoose/pnid';
 
 const router = express.Router();
 
 router.post('/', async (request: express.Request, response: express.Response): Promise<void> => {
-	const input = request.body?.input;
+    const input = request.body?.input;
+    const hCaptchaResponse = request.body.hCaptchaResponse?.trim();
+    
+    if (!disabledFeatures.captcha) {
+		if (!hCaptchaResponse || hCaptchaResponse === "") {
+			response.status(400).json({
+				app: "api",
+				status: 400,
+				error: "Must fill in captcha",
+			});
+
+			return;
+		}
+
+		const captchaVerify = await hcaptcha.verify(
+			config.hcaptcha.secret,
+			hCaptchaResponse
+		);
+
+		if (!captchaVerify.success) {
+			response.status(400).json({
+				app: "api",
+				status: 400,
+				error: "Captcha verification failed",
+			});
+
+			return;
+		}
+	}
 
 	if (!input || input.trim() === '') {
 		response.status(400).json({