Function is_valid_hf_token

common/hf-cache.cpp:145–156

}

static bool is_valid_hf_token(const std::string & token) {
    if (token.length() < 37 || token.length() > 256 ||
        !string_starts_with(token, "hf_")) {
        return false;
    }
    for (size_t i = 3; i < token.length(); ++i) {
        if (!is_alphanum(token[i])) {
            return false;
        }
    }
    return true;
}

static bool is_valid_commit(const std::string & hash) {
    return is_hex_string(hash, 40);