feat: document file conversion

packages/trpc/server/document-router/create-document.ts

@@ -47,9 +47,11 @@ export const createDocumentRoute = authenticatedProcedure
     }
 
     const { id: documentDataId } = await putNormalizedPdfFileServerSide({
-      name: file.name,
-      type: 'application/pdf',
-      arrayBuffer: async () => Promise.resolve(pdf),
+      file: {
+        name: file.name,
+        type: 'application/pdf',
+        arrayBuffer: async () => Promise.resolve(pdf),
+      },
     });
 
     ctx.logger.info({

packages/trpc/server/embedding-router/get-multi-sign-document.types.ts

@@ -18,6 +18,7 @@ export const ZGetMultiSignDocumentResponseSchema = ZDocumentLiteSchema.extend({
     id: true,
     data: true,
     initialData: true,
+    originalMimeType: true,
   }),
   documentMeta: DocumentMetaSchema.pick({
     signingOrder: true,

packages/trpc/server/envelope-router/create-envelope-items.ts

@@ -87,7 +87,7 @@ export const createEnvelopeItemsRoute = authenticatedProcedure
     // For each file, stream to s3 and create the document data.
     const envelopeItems = await Promise.all(
       files.map(async (file) => {
-        const { id: documentDataId } = await putNormalizedPdfFileServerSide(file);
+        const { id: documentDataId } = await putNormalizedPdfFileServerSide({ file });
 
         return {
           title: file.name,

packages/trpc/server/envelope-router/create-envelope.ts

@@ -1,6 +1,7 @@
 import { getServerLimits } from '@documenso/ee/server-only/limits/server';
 import { AppError, AppErrorCode } from '@documenso/lib/errors/app-error';
 import { createEnvelope } from '@documenso/lib/server-only/envelope/create-envelope';
+import { convertToPdfIfNeeded } from '@documenso/lib/server-only/file-conversion/convert-to-pdf';
 import { putNormalizedPdfFileServerSide } from '@documenso/lib/universal/upload/put-file.server';
 
 import { insertFormValuesInPdf } from '../../../lib/server-only/pdf/insert-form-values-in-pdf';
@@ -59,17 +60,13 @@ export const createEnvelopeRoute = authenticatedProcedure
       });
     }
 
-    if (files.some((file) => !file.type.startsWith('application/pdf'))) {
-      throw new AppError('INVALID_DOCUMENT_FILE', {
-        message: 'You cannot upload non-PDF files',
-        statusCode: 400,
-      });
-    }
-
-    // For each file, stream to s3 and create the document data.
+    // For each file, convert to PDF if needed, then store.
     const envelopeItems = await Promise.all(
       files.map(async (file) => {
-        let pdf = Buffer.from(await file.arrayBuffer());
+        // Convert to PDF if needed (DOCX, images, etc)
+        const { pdfBuffer, originalMimeType } = await convertToPdfIfNeeded(file);
+
+        let pdf = pdfBuffer;
 
         if (formValues) {
           // eslint-disable-next-line require-atomic-updates
@@ -80,9 +77,12 @@ export const createEnvelopeRoute = authenticatedProcedure
         }
 
         const { id: documentDataId } = await putNormalizedPdfFileServerSide({
-          name: file.name,
-          type: 'application/pdf',
-          arrayBuffer: async () => Promise.resolve(pdf),
+          file: {
+            name: file.name,
+            type: 'application/pdf',
+            arrayBuffer: async () => Promise.resolve(pdf),
+          },
+          originalMimeType,
         });
 
         return {

packages/trpc/server/envelope-router/get-envelope-items.types.ts

@@ -19,6 +19,7 @@ export const ZGetEnvelopeItemsResponseSchema = z.object({
         id: true,
         data: true,
         initialData: true,
+        originalMimeType: true,
       }),
     })
     .array(),

packages/trpc/server/envelope-router/use-envelope.ts

@@ -79,7 +79,7 @@ export const useEnvelopeRoute = authenticatedProcedure
     // Process uploaded files and create document data for them
     const uploadedFiles = await Promise.all(
       filesToUpload.map(async (file) => {
-        const { id: documentDataId } = await putNormalizedPdfFileServerSide(file);
+        const { id: documentDataId } = await putNormalizedPdfFileServerSide({ file });
 
         return {
           name: file.name,

packages/trpc/server/template-router/router.ts

@@ -191,7 +191,7 @@ export const templateRouter = router({
         attachments,
       } = payload;
 
-      const { id: templateDocumentDataId } = await putNormalizedPdfFileServerSide(file);
+      const { id: templateDocumentDataId } = await putNormalizedPdfFileServerSide({ file });
 
       ctx.logger.info({
         input: {