123 lines
3.0 KiB
C++
123 lines
3.0 KiB
C++
#include "appkey.h"
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#include "qmutex.h"
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#include "qfile.h"
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#include "qtimer.h"
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#include "qdatetime.h"
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#include "qapplication.h"
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#include "qmessagebox.h"
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AppKey *AppKey::self = NULL;
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AppKey *AppKey::Instance()
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{
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if (!self) {
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QMutex mutex;
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QMutexLocker locker(&mutex);
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if (!self) {
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self = new AppKey;
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}
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}
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return self;
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}
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AppKey::AppKey(QObject *parent) : QObject(parent)
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{
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keyData = "";
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keyUseDate = false;
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keyDate = "2017-01-01";
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keyUseRun = false;
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keyRun = 1;
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keyUseCount = false;
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keyCount = 10;
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timer = new QTimer(this);
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timer->setInterval(1000);
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connect(timer, SIGNAL(timeout()), this, SLOT(checkTime()));
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startTime = QDateTime::currentDateTime();
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}
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void AppKey::start()
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{
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//判断密钥文件是否存在,不存在则从资源文件复制出来,同时需要设置文件写权限
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QString keyName = qApp->applicationDirPath() + "/key.db";
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QFile keyFile(keyName);
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if (!keyFile.exists() || keyFile.size() == 0) {
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QMessageBox::critical(0, "错误", "密钥文件丢失,请联系供应商!");
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exit(0);
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}
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//读取密钥文件
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keyFile.open(QFile::ReadOnly);
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keyData = keyFile.readLine();
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keyFile.close();
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//将从注册码文件中的密文解密,与当前时间比较是否到期
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keyData = getXorEncryptDecrypt(keyData, 110);
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QStringList data = keyData.split("|");
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if (data.count() != 6) {
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QMessageBox::critical(0, "错误", "注册码文件已损坏,程序将自动关闭!");
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exit(0);
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}
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keyUseDate = (data.at(0) == "1");
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keyDate = data.at(1);
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keyUseRun = (data.at(2) == "1");
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keyRun = data.at(3).toInt();
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keyUseCount = (data.at(4) == "1");
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keyCount = data.at(5).toInt();
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//如果启用了时间限制
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if (keyUseDate) {
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QString nowDate = QDate::currentDate().toString("yyyy-MM-dd");
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if (nowDate > keyDate) {
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QMessageBox::critical(0, "错误", "软件已到期,请联系供应商更新注册码!");
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exit(0);
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}
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}
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//如果启用了运行时间显示
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if (keyUseRun) {
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timer->start();
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}
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}
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void AppKey::stop()
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{
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timer->stop();
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}
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void AppKey::checkTime()
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{
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//找出当前时间与首次启动时间比较
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QDateTime now = QDateTime::currentDateTime();
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if (startTime.secsTo(now) >= (keyRun * 60)) {
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QMessageBox::critical(0, "错误", "试运行时间已到,请联系供应商更新注册码!");
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exit(0);
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}
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}
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QString AppKey::getXorEncryptDecrypt(const QString &data, char key)
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{
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//采用异或加密,也可以自行更改算法
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QByteArray buffer = data.toLatin1();
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int size = buffer.size();
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for (int i = 0; i < size; i++) {
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buffer[i] = buffer.at(i) ^ key;
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}
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return QLatin1String(buffer);
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}
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bool AppKey::checkCount(int count)
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{
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if (keyUseCount) {
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if (count >= keyCount) {
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QMessageBox::critical(0, "错误", "设备数量超过限制,请联系供应商更新注册码!");
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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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