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/*
* net.hh - Miscellaneous networking routines
* util, the utility library for
* Project Horizon
*
* Copyright (c) 2019 Adélie Linux and contributors. All rights reserved.
* This code is licensed under the AGPL 3.0 license, as noted in the
* LICENSE-code file in the root directory of this repository.
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
#ifndef __HORIZON_NET_HH_
#define __HORIZON_NET_HH_
#include <algorithm>
#include <string>
/*! Determine if a string starts with a valid, supported protocol
* @param url The URL.
* @returns true if +url+ is a URL for a supported protocol, false otherwise.
*/
static bool is_valid_url(const std::string &url) {
std::string::size_type colon = url.find("://");
/* If there's no ://, it's definitely not a URL */
if(colon == std::string::npos) return false;
std::string proto = url.substr(0, colon);
std::transform(proto.cbegin(), proto.cend(), proto.begin(), ::tolower);
if(proto == "http" || proto == "https" || proto == "tftp" || proto == "smb"
|| proto == "cifs") {
return true;
}
return false;
}
#endif /* !__HORIZON_NET_HH */
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