def METHOD_NAME(path: str):
    import json
    '''
        {file_name}: {
            'url': {url},
            'version': {version_string},
            'md5': {md5}
        }
    '''
    with open(path, "r") as f:
        ret = json.load(f)
    assert isinstance(ret, dict)
    need_key = ['url', 'version', 'md5']
    md5_pat = re.compile(r'^[0-9a-f]{32}$')
    for k in ret:
        assert isinstance(k, str) \
            and '\x00' not in k \
            and '\\' not in k \
            and '/' not in k
        for need_k in need_key:
            assert need_k in ret[k] \
                and isinstance(ret[k][need_k], str)
        assert md5_pat.match(ret[k]['md5']) is not None
    return ret