feat: require a special registration word in registration reason (#2)

A crude way to prune out people who don't read the rules. The hint is in
the bottom of the rules generally.

packages/backend/src/server/api/endpoints/admin/meta.ts

@@ -39,6 +39,14 @@ export const meta = {
 				type: 'boolean',
 				optional: false, nullable: false,
 			},
+			registrationWord: {
+				type: 'string',
+				optional: false, nullable: true,
+			},
+			regWordRequired: {
+				type: 'boolean',
+				optional: false, nullable: false,
+			},
 			enableHcaptcha: {
 				type: 'boolean',
 				optional: false, nullable: false,
@@ -657,6 +665,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				disableRegistration: instance.disableRegistration,
 				emailRequiredForSignup: instance.emailRequiredForSignup,
 				approvalRequiredForSignup: instance.approvalRequiredForSignup,
+				registrationWord: instance.registrationWord,
+				regWordRequired: instance.regWordRequired,
 				enableHcaptcha: instance.enableHcaptcha,
 				hcaptchaSiteKey: instance.hcaptchaSiteKey,
 				enableMcaptcha: instance.enableMcaptcha,

packages/backend/src/server/api/endpoints/admin/update-meta.ts

@@ -74,6 +74,8 @@ export const paramDef = {
 		cacheRemoteSensitiveFiles: { type: 'boolean' },
 		emailRequiredForSignup: { type: 'boolean' },
 		approvalRequiredForSignup: { type: 'boolean' },
+		regWordRequired: { type: 'boolean', nullable: false },
+		registrationWord: { type: 'string', nullable: true },
 		enableHcaptcha: { type: 'boolean' },
 		hcaptchaSiteKey: { type: 'string', nullable: true },
 		hcaptchaSecretKey: { type: 'string', nullable: true },
@@ -357,6 +359,14 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				set.approvalRequiredForSignup = ps.approvalRequiredForSignup;
 			}
 
+			if (ps.registrationWord !== undefined) {
+				set.registrationWord = ps.registrationWord;
+			}
+
+			if (ps.regWordRequired !== undefined) {
+				set.regWordRequired = ps.regWordRequired;
+			}
+
 			if (ps.enableHcaptcha !== undefined) {
 				set.enableHcaptcha = ps.enableHcaptcha;
 			}