vendor_group_id = params_kw.get('vendor_group_id', '')
source_url = params_kw.get('source_url', '')
asset_type = params_kw.get('asset_type', 'Image')
name = params_kw.get('name', '')

if not vendor_group_id or not source_url:
    return {"success": False, "message": "参数缺失"}

# If source_url is base64 data or local path, convert to public URL
if source_url.startswith('data:') or (not source_url.startswith('http') and len(source_url) < 8000):
    source_url = await b64media2url(request, source_url)
    if not source_url:
        return {"success": False, "message": "素材文件转换失败"}

result = await rl_upload_user((await get_userorgid()) or '0', vendor_group_id, source_url, asset_type, name, (await get_user()))
return result