From d73b5e2b82ce856fa56b2ec885fde1f2d1883aea Mon Sep 17 00:00:00 2001
From: yflory <yann.flory@xwiki.com>
Date: Mon, 24 Nov 2025 15:43:31 +0100
Subject: [PATCH] Integration API: Allow client download

---
 www/cryptpad-api.js     |  5 +++++
 www/integration/main.js | 12 +++++++++---
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/www/cryptpad-api.js b/www/cryptpad-api.js
index 9a40d291b..03470c044 100644
--- a/www/cryptpad-api.js
+++ b/www/cryptpad-api.js
@@ -232,6 +232,11 @@
                     if (!config.events.onSave) { return void cb(); }
                     config.events.onSave(data, cb);
                 });
+                chan.on('GET_BLOB', (data, cb) => {
+                    getBlob((err, blob) => {
+                        cb({error: err, blob});
+                    });
+                });
                 chan.on('RELOAD', function () {
                     config.document.blob = blob;
                     if (!config.editorConfig) { // Not OnlyOffice shim
diff --git a/www/integration/main.js b/www/integration/main.js
index 4046d068c..b82bb52c3 100644
--- a/www/integration/main.js
+++ b/www/integration/main.js
@@ -161,6 +161,12 @@ define([
         let getInstanceURL = function () {
             return Config.httpUnsafeOrigin;
         };
+        let getBlobClient = (cb) => {
+            chan.send('GET_BLOB', obj => {
+                if (obj?.error) { console.error(obj?.error); }
+                cb(obj?.blob);
+            });
+        };
         let getBlobServer = function (documentURL, cb) {
             let xhr = new XMLHttpRequest();
             let data = encodeURIComponent(documentURL);
@@ -174,11 +180,11 @@ define([
                     // myBlob is now the blob that the object URL pointed to.
                     cb(null, blob);
                 } else {
-                    cb(this.status);
+                    getBlobClient(cb);
                 }
             };
-            xhr.onerror = function (e) {
-                cb(e.message);
+            xhr.onerror = function () {
+                getBlobClient(cb);
             };
             xhr.send();
         };