Fix unlimitedSize uploads (#2317)

mediaapi/routing/upload.go

@@ -169,7 +169,7 @@ func (r *uploadRequest) doUpload(
 	}
 
 	// Check if temp file size exceeds max file size configuration
-	if bytesWritten > types.FileSizeBytes(*cfg.MaxFileSizeBytes) {
+	if *cfg.MaxFileSizeBytes > 0 && bytesWritten > types.FileSizeBytes(*cfg.MaxFileSizeBytes) {
 		fileutils.RemoveDir(tmpDir, r.Logger) // delete temp file
 		return requestEntityTooLargeJSONResponse(*cfg.MaxFileSizeBytes)
 	}

mediaapi/routing/upload_test.go

@@ -36,6 +36,7 @@ func Test_uploadRequest_doUpload(t *testing.T) {
 	}
 
 	maxSize := config.FileSizeBytes(8)
+	unlimitedSize := config.FileSizeBytes(0)
 	logger := log.New().WithField("mediaapi", "test")
 	testdataPath := filepath.Join(wd, "./testdata")
 
@@ -117,6 +118,27 @@ func Test_uploadRequest_doUpload(t *testing.T) {
 			},
 			want: requestEntityTooLargeJSONResponse(maxSize),
 		},
+		{
+			name: "upload ok with unlimited filesize",
+			args: args{
+				ctx:       context.Background(),
+				reqReader: strings.NewReader("test test test"),
+				cfg: &config.MediaAPI{
+					MaxFileSizeBytes:  &unlimitedSize,
+					BasePath:          config.Path(testdataPath),
+					AbsBasePath:       config.Path(testdataPath),
+					DynamicThumbnails: false,
+				},
+				db: db,
+			},
+			fields: fields{
+				Logger: logger,
+				MediaMetadata: &types.MediaMetadata{
+					MediaID:    "1339",
+					UploadName: "test fail",
+				},
+			},
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {