feat: add granular signin disable flags and OIDC auto-redirect (#2857)

packages/auth/server/routes/email-password.ts

@@ -1,6 +1,7 @@
 import {
   isDisposableEmail,
   isEmailDomainAllowedForSignup,
+  isSigninEnabledForProvider,
   isSignupEnabledForProvider,
 } from '@documenso/lib/constants/auth';
 import { EMAIL_VERIFICATION_STATE } from '@documenso/lib/constants/email';
@@ -64,6 +65,12 @@ export const emailPasswordRoute = new Hono<HonoAuthContext>()
   .post('/authorize', sValidator('json', ZSignInSchema), async (c) => {
     const requestMetadata = c.get('requestMetadata');
 
+    if (!isSigninEnabledForProvider('email')) {
+      throw new AppError(AuthenticationErrorCode.SigninDisabled, {
+        statusCode: 400,
+      });
+    }
+
     const { email, password, totpCode, backupCode, csrfToken, captchaToken } = c.req.valid('json');
 
     const loginLimitResult = await loginRateLimit.check({
@@ -244,6 +251,12 @@ export const emailPasswordRoute = new Hono<HonoAuthContext>()
     const { password, currentPassword } = c.req.valid('json');
     const requestMetadata = c.get('requestMetadata');
 
+    if (!isSigninEnabledForProvider('email')) {
+      throw new AppError(AuthenticationErrorCode.SigninDisabled, {
+        statusCode: 400,
+      });
+    }
+
     const { session, user } = await getSession(c);
 
     await updatePassword({
@@ -346,6 +359,12 @@ export const emailPasswordRoute = new Hono<HonoAuthContext>()
   .post('/forgot-password', sValidator('json', ZForgotPasswordSchema), async (c) => {
     const requestMetadata = c.get('requestMetadata');
 
+    if (!isSigninEnabledForProvider('email')) {
+      throw new AppError(AuthenticationErrorCode.SigninDisabled, {
+        statusCode: 400,
+      });
+    }
+
     const { email } = c.req.valid('json');
 
     const forgotLimitResult = await forgotPasswordRateLimit.check({
@@ -377,6 +396,12 @@ export const emailPasswordRoute = new Hono<HonoAuthContext>()
   .post('/reset-password', sValidator('json', ZResetPasswordSchema), async (c) => {
     const requestMetadata = c.get('requestMetadata');
 
+    if (!isSigninEnabledForProvider('email')) {
+      throw new AppError(AuthenticationErrorCode.SigninDisabled, {
+        statusCode: 400,
+      });
+    }
+
     const { token, password } = c.req.valid('json');
 
     const resetLimitResult = await resetPasswordRateLimit.check({