feat: certificate qrcode (#1755)

Adds document access tokens and QR code functionality to enable secure
document sharing via URLs. It includes a new document access page that
allows viewing and downloading documents through tokenized links.

packages/trpc/server/share-link-router/get-document-internal-url-for-qr-code.ts

@@ -0,0 +1,61 @@
+import { NEXT_PUBLIC_WEBAPP_URL } from '@documenso/lib/constants/app';
+import { prisma } from '@documenso/prisma';
+
+import { procedure } from '../trpc';
+import {
+  ZGetDocumentInternalUrlForQRCodeInput,
+  ZGetDocumentInternalUrlForQRCodeOutput,
+} from './get-document-internal-url-for-qr-code.types';
+
+export const getDocumentInternalUrlForQRCodeRoute = procedure
+  .input(ZGetDocumentInternalUrlForQRCodeInput)
+  .output(ZGetDocumentInternalUrlForQRCodeOutput)
+  .query(async ({ input, ctx }) => {
+    const { documentId } = input;
+
+    if (!ctx.user) {
+      return null;
+    }
+
+    const document = await prisma.document.findFirst({
+      where: {
+        OR: [
+          {
+            id: documentId,
+            userId: ctx.user.id,
+          },
+          {
+            id: documentId,
+            team: {
+              members: {
+                some: {
+                  userId: ctx.user.id,
+                },
+              },
+            },
+          },
+        ],
+      },
+      include: {
+        team: {
+          where: {
+            members: {
+              some: {
+                userId: ctx.user.id,
+              },
+            },
+          },
+        },
+      },
+    });
+
+    if (!document) {
+      return null;
+    }
+
+    if (document.team) {
+      return `${NEXT_PUBLIC_WEBAPP_URL()}/t/${document.team.url}/documents/${document.id}`;
+    }
+
+    return `${NEXT_PUBLIC_WEBAPP_URL()}/documents/${document.id}`;
+  });