allow to enable/disable email sigin via env variable

docker-compose.yaml

@@ -128,6 +128,7 @@ services:
       - NEXT_PUBLIC_CLOUDFARE_CAPTCHA_SITE_KEY=1x00000000000000000000AA
       - CLOUDFLARE_CAPTCHA_SERCERT_KEY=1x0000000000000000000000000000000AA
       - NEXT_PUBLIC_ENABLE_EMAIL_SIGNIN_CAPTCHA=true
+      - NEXT_PUBLIC_ENABLE_EMAIL_SIGNIN=true
     depends_on:
       webdb:
         condition: service_healthy

website/.env

@@ -21,3 +21,4 @@ EMAIL_FROM=info@example.com
 NEXT_PUBLIC_CLOUDFLARE_CAPTCHA_SITE_KEY=1x00000000000000000000AA
 CLOUDFLARE_CAPTCHA_SERCERT_KEY=1x0000000000000000000000000000000AA
 NEXT_PUBLIC_ENABLE_EMAIL_SIGNIN_CAPTCHA=false
+NEXT_PUBLIC_ENABLE_EMAIL_SIGNIN=true

website/src/pages/api/auth/[...nextauth].ts

@@ -165,6 +165,10 @@ export default function auth(req: NextApiRequest, res: NextApiResponse) {
           return true;
         }
 
+        if (account.provider === "email" && !boolean(process.env.NEXT_PUBLIC_ENABLE_EMAIL_SIGNIN)) {
+          return false;
+        }
+
         const captcha = req.body.captcha;
 
         const res = await checkCaptcha(captcha, getIp(req));

website/src/pages/auth/signin.tsx

@@ -80,7 +80,9 @@ function Signin({ providers }: SigninProps) {
       <AuthLayout>
         <Stack spacing="2">
           {credentials && <DebugSigninForm providerId={credentials.id} bgColorClass={bgColorClass} />}
-          {email && <EmailSignInForm providerId={email.id}></EmailSignInForm>}
+          {email && boolean(process.env.NEXT_PUBLIC_ENABLE_EMAIL_SIGNIN) && (
+            <EmailSignInForm providerId={email.id}></EmailSignInForm>
+          )}
           {discord && (
             <Button
               bg={buttonBgColor}

website/types/env.d.ts

@@ -5,6 +5,7 @@ declare global {
       NEXT_PUBLIC_CLOUDFLARE_CAPTCHA_SITE_KEY: string;
       CLOUDFLARE_CAPTCHA_SERCERT_KEY: string;
       NEXT_PUBLIC_ENABLE_EMAIL_SIGNIN_CAPTCHA: boolean;
+      NEXT_PUBLIC_ENABLE_EMAIL_SIGNIN: boolean;
     }
   }
 }