Fix garbled non English chars on document upload (#3301)

update handleAPIFileUpload middleware to handle non english chars + update jsdoc

server/endpoints/api/document/index.js

@@ -35,14 +35,15 @@ function apiDocumentEndpoints(app) {
       content: {
         "multipart/form-data": {
           schema: {
-            type: 'string',
-            format: 'binary',
+            type: 'object',
             properties: {
               file: {
                 type: 'string',
                 format: 'binary',
+                description: 'The file to upload'
               }
-            }
+            },
+            required: ['file']
           }
         }
       }

server/swagger/openapi.json

@@ -900,14 +900,17 @@
           "content": {
             "multipart/form-data": {
               "schema": {
-                "type": "string",
-                "format": "binary",
+                "type": "object",
                 "properties": {
                   "file": {
                     "type": "string",
-                    "format": "binary"
+                    "format": "binary",
+                    "description": "The file to upload"
                   }
-                }
+                },
+                "required": [
+                  "file"
+                ]
               }
             }
           }

server/utils/files/multer.js

@@ -37,7 +37,9 @@ const fileAPIUploadStorage = multer.diskStorage({
     cb(null, uploadOutput);
   },
   filename: function (_, file, cb) {
-    file.originalname = normalizePath(file.originalname);
+    file.originalname = normalizePath(
+      Buffer.from(file.originalname, "latin1").toString("utf8")
+    );
     cb(null, file.originalname);
   },
 });