135 lines
3.1 KiB
C++
135 lines
3.1 KiB
C++
/**
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* This file is a part of the UMSKT Project
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*
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* Copyleft (C) 2019-2023 UMSKT Contributors (et.al.)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @FileCreated by Neo on 06/17/2023
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* @Maintainer Neo
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*/
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#include "PIDGEN2.h"
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const char* channelIDBlacklist [7] = {"333", "444", "555", "666", "777", "888", "999"};
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const char* validYears[8] = { "95", "96", "97", "98", "99", "00", "01", "02"};
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bool PIDGEN2::isNumericString(char* input) {
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for(int i = 0; i < strlen(input); i++) {
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if (input[i] < '0' || input[i] > '9') {
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return false;
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}
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}
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return true;
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}
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int PIDGEN2::addDigits(char* input) {
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int output = 0;
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if (!isNumericString(input)) {
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return -1;
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}
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for(int i = 0; i < strlen(input); i++) {
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output += input[i] - '0';
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}
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return output;
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}
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bool PIDGEN2::isValidChannelID(char* channelID) {
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if (strlen(channelID) > 3) {
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return false;
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}
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for (int i = 0; i <= 6; i++) {
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if (strcmp(channelID, channelIDBlacklist[i]) != 0) {
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return false;
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}
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}
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return true;
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}
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bool PIDGEN2::isValidOEMID(char* OEMID) {
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if (!isNumericString(OEMID)) {
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return false;
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}
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if (strlen(OEMID) > 5) {
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if (OEMID[0] != '0' || OEMID[1] != '0') {
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return false;
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}
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}
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int mod = addDigits(OEMID);
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return (mod % 21 == 0);
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}
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bool PIDGEN2::isValidYear(char* year) {
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for (int i = 0; i <= 7; i++) {
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if (year == validYears[i]) {
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return false;
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}
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}
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return true;
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}
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bool PIDGEN2::isValidDay(char* day) {
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if (!isNumericString(day)) {
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return false;
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}
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int iDay = std::stoi(day);
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if (iDay == 0 || iDay >= 365) {
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return false;
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}
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return true;
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}
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bool PIDGEN2::isValidRetailProductID(char* productID) {
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return true;
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}
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int PIDGEN2::GenerateRetail(char* channelID, char* &keyout) {
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if (!isValidChannelID(channelID)) {
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return 1;
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}
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return 0;
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}
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int PIDGEN2::GenerateOEM(char* year, char* day, char* oem, char* &keyout) {
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if (!isValidOEMID(oem)) {
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int mod = addDigits(oem);
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mod += mod % 21;
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strcpy(oem, fmt::format("{:07d}", mod).c_str());
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}
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if (!isValidYear(year)) {
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strcpy(year, validYears[0]);
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}
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if (!isValidDay(day)) {
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int iday = std::stoi(day);
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iday = (iday + 1) % 365;
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}
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strcpy(keyout, fmt::format("{}{}-OEM-{}-{}", year, day, oem, oem).c_str());
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return 0;
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} |