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114 lines
4.0 KiB
114 lines
4.0 KiB
//
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// monero_paymentID_utils.cpp
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// Copyright (c) 2014-2019, MyMonero.com
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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//
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#include "monero_paymentID_utils.hpp"
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#import <regex>
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#include "cryptonote_basic.h"
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#include "cryptonote_basic/blobdatatype.h"
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#include "string_tools.h"
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using namespace epee;
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using namespace std;
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using namespace boost;
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//
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//
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crypto::hash8 monero_paymentID_utils::new_short_plain_paymentID()
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{
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return crypto::rand<crypto::hash8>();
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}
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std::string monero_paymentID_utils::new_short_plain_paymentID_string()
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{
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return string_tools::pod_to_hex(monero_paymentID_utils::new_short_plain_paymentID());
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}
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//
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bool monero_paymentID_utils::parse_long_payment_id(const std::string& payment_id_str, crypto::hash& payment_id)
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{
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cryptonote::blobdata payment_id_data;
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if (!epee::string_tools::parse_hexstr_to_binbuff(payment_id_str, payment_id_data)) {
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return false;
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}
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if (sizeof(crypto::hash) != payment_id_data.size()) {
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return false;
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}
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payment_id = *reinterpret_cast<const crypto::hash*>(payment_id_data.data());
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//
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return true;
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}
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bool monero_paymentID_utils::parse_short_payment_id(const std::string& payment_id_str, crypto::hash8& payment_id)
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{
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cryptonote::blobdata payment_id_data;
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if (!epee::string_tools::parse_hexstr_to_binbuff(payment_id_str, payment_id_data)) {
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return false;
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}
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if (sizeof(crypto::hash8) != payment_id_data.size()) {
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return false;
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}
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payment_id = *reinterpret_cast<const crypto::hash8*>(payment_id_data.data());
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//
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return true;
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}
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bool monero_paymentID_utils::parse_payment_id(const std::string& payment_id_str, crypto::hash& payment_id)
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{
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if (parse_long_payment_id(payment_id_str, payment_id)) {
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return true;
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}
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crypto::hash8 payment_id8;
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if (parse_short_payment_id(payment_id_str, payment_id8)) {
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memcpy(payment_id.data, payment_id8.data, 8);
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memset(payment_id.data + 8, 0, 24);
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return true;
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}
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return false;
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}
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//
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bool monero_paymentID_utils::is_a_valid_or_not_a_payment_id_of_length(const string &str, size_t length)
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{
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if (str.size() != length) {
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return false;
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}
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stringstream ss;
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ss << "^[0-9a-fA-F]{" << length << "}$";
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if (regex_match(str, regex(ss.str()))) {
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return true;
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}
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return false;
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}
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bool monero_paymentID_utils::is_a_valid_or_not_a_payment_id(optional<string> str)
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{
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if (str == boost::none || str->empty()) {
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return true; // not a payment id b/c it's nil
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}
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if (is_a_valid_or_not_a_payment_id_of_length(*str, payment_id_length__short)
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|| is_a_valid_or_not_a_payment_id_of_length(*str, payment_id_length__long)) {
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return true;
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}
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return false; // not a match but not empty/nil either
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}
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