feat: add empty emails for envelopes

packages/lib/server-only/document/send-document.ts

@@ -35,8 +35,10 @@ import {
 import { getFileServerSide } from '../../universal/upload/get-file.server';
 import { putPdfFileServerSide } from '../../universal/upload/put-file.server';
 import { isDocumentCompleted } from '../../utils/document';
+import { extractDocumentAuthMethods } from '../../utils/document-auth';
 import { type EnvelopeIdOptions, mapSecondaryIdToDocumentId } from '../../utils/envelope';
 import { toCheckboxCustomText, toRadioCustomText } from '../../utils/fields';
+import { isRecipientEmailValidForSending } from '../../utils/recipients';
 import { getEnvelopeWhereInput } from '../envelope/get-envelope-by-id';
 import { insertFormValuesInPdf } from '../pdf/insert-form-values-in-pdf';
 import { triggerWebhook } from '../webhooks/trigger/trigger-webhook';
@@ -128,6 +130,24 @@ export const sendDocument = async ({
     );
   }
 
+  // Validate that recipients with auth requirements have a valid email.
+  envelope.recipients.forEach((recipient) => {
+    const auth = extractDocumentAuthMethods({
+      documentAuth: envelope.authOptions,
+      recipientAuth: recipient.authOptions,
+    });
+
+    if (
+      recipient.role !== RecipientRole.CC &&
+      (auth.recipientAccessAuthRequired || auth.recipientActionAuthRequired) &&
+      !isRecipientEmailValidForSending(recipient)
+    ) {
+      throw new AppError(AppErrorCode.INVALID_REQUEST, {
+        message: `Recipient ${recipient.id} requires an email because they have auth requirements.`,
+      });
+    }
+  });
+
   // Commented out server side checks for minimum 1 signature per signer now since we need to
   // decide if we want to enforce this for API & templates.
   // const fields = await getFieldsForDocument({