507 lines
15 KiB
C++
507 lines
15 KiB
C++
#include "licensemanager.h"
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#include <QProcess>
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#include <QFile>
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#include <QTextStream>
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#include <QMessageBox>
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#include <QCryptographicHash>
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#include <QVBoxLayout>
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#include <QHBoxLayout>
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#include <QLabel>
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#include <QLineEdit>
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#include <QPushButton>
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#include <QDir>
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#include <QApplication>
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#include <QClipboard>
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#include <QDebug>
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#include <QTcpSocket>
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#include <QJsonDocument>
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#include <QJsonObject>
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#include <QDateTime>
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// ==================== 静态成员初始化 ====================
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// 加密密钥
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const QByteArray LicenseManager::encryptKey = "GetonAgain2026SecretKey!@#$%";
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// 客户专用密码 - 根据不同客户修改此值
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const QString LicenseManager::customerPassword = "nuobo123";
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// ==================== LicenseManager 实现 ====================
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LicenseManager::LicenseManager(QObject *parent) : QObject(parent)
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{
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}
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QString LicenseManager::getMachineUUID()
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{
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QString uuid;
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#ifdef Q_OS_WIN
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// Windows: 通过WMI获取主板UUID
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QProcess process;
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process.start("wmic", QStringList() << "csproduct" << "get" << "UUID");
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process.waitForFinished(5000);
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QString output = QString::fromLocal8Bit(process.readAllStandardOutput());
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// 解析输出，获取UUID
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QStringList lines = output.split('\n', Qt::SkipEmptyParts);
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for (const QString &line : lines)
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{
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QString trimmed = line.trimmed();
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if (!trimmed.isEmpty() && trimmed != "UUID" && trimmed.contains('-'))
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{
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uuid = trimmed;
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break;
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}
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}
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#else
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// Linux/Mac: 读取machine-id
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QFile file("/etc/machine-id");
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if (file.open(QIODevice::ReadOnly))
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{
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uuid = QString::fromUtf8(file.readAll()).trimmed();
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file.close();
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}
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#endif
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if (uuid.isEmpty())
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{
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// 备用方案：使用机器名+用户名的哈希
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QString fallback = QSysInfo::machineHostName() + QDir::homePath();
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uuid = QString::fromLatin1(QCryptographicHash::hash(fallback.toUtf8(), QCryptographicHash::Md5).toHex());
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}
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return uuid;
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}
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QString LicenseManager::getLicenseFilePath()
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{
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// 激活文件放在程序目录下
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return QCoreApplication::applicationDirPath() + "/license.gal";
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}
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QString LicenseManager::encrypt(const QString &plainText)
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{
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QByteArray data = plainText.toUtf8();
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// 第一步：计算明文的SHA256哈希（用于完整性校验）
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QByteArray hash = QCryptographicHash::hash(data, QCryptographicHash::Sha256);
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// 第二步：构造加密数据 = 哈希前8字节 + 原始数据
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QByteArray toEncrypt;
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toEncrypt.append(hash.left(8)); // 8字节校验头
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toEncrypt.append(data);
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// 第三步：多层XOR加密
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QByteArray encrypted;
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for (int i = 0; i < toEncrypt.size(); ++i)
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{
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unsigned char c = static_cast<unsigned char>(toEncrypt[i]);
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// 第一层：与主密钥XOR
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c = c ^ static_cast<unsigned char>(encryptKey[i % encryptKey.size()]);
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// 第二层：字节置换（非线性变换）
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c = static_cast<unsigned char>((c * 7 + 13) % 256);
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// 第三层：与位置相关的混淆
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c = c ^ static_cast<unsigned char>((i * 31 + 17) % 256);
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encrypted.append(static_cast<char>(c));
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}
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// 第四步：Base64编码
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return QString::fromLatin1(encrypted.toBase64());
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}
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QString LicenseManager::decrypt(const QString &encryptedText)
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{
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// Base64解码
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QByteArray encrypted = QByteArray::fromBase64(encryptedText.toLatin1());
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if (encrypted.size() < 9) // 至少8字节校验头 + 1字节数据
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{
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return QString();
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}
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// 逆向解密
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QByteArray decrypted;
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for (int i = 0; i < encrypted.size(); ++i)
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{
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unsigned char c = static_cast<unsigned char>(encrypted[i]);
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// 逆向第三层：位置混淆
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c = c ^ static_cast<unsigned char>((i * 31 + 17) % 256);
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// 逆向第二层：字节置换的逆运算
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// 原式: c' = (c * 7 + 13) % 256
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// 需要找到 7 在 mod 256 下的逆元
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// 7 * 183 = 1281 = 5 * 256 + 1, 所以 7^(-1) ≡ 183 (mod 256)
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c = static_cast<unsigned char>(((c + 256 - 13) * 183) % 256);
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// 逆向第一层：与主密钥XOR
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c = c ^ static_cast<unsigned char>(encryptKey[i % encryptKey.size()]);
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decrypted.append(static_cast<char>(c));
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}
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// 提取校验头和原始数据
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QByteArray storedHash = decrypted.left(8);
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QByteArray originalData = decrypted.mid(8);
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// 验证哈希
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QByteArray computedHash = QCryptographicHash::hash(originalData, QCryptographicHash::Sha256);
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if (computedHash.left(8) != storedHash)
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{
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qDebug() << "License integrity check failed - data may be corrupted or tampered";
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return QString(); // 返回空表示解密失败
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}
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return QString::fromUtf8(originalData);
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}
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QString LicenseManager::generateActivationCode(const QString &uuid)
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{
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// 生成激活码格式: encrypt(UUID:password)
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// 这个方法供管理员/供应商使用，为特定设备生成激活码
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QString plainText = uuid + ":" + customerPassword;
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return encrypt(plainText);
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}
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bool LicenseManager::readAndVerifyLicense()
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{
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QString filePath = getLicenseFilePath();
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QFile file(filePath);
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if (!file.exists())
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{
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qDebug() << "License file not found:" << filePath;
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return false;
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}
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if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
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{
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qDebug() << "Cannot open license file";
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return false;
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}
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QTextStream in(&file);
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QString encryptedContent = in.readAll().trimmed();
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file.close();
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if (encryptedContent.isEmpty())
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{
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qDebug() << "License file is empty";
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return false;
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}
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// 解密
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QString decrypted = decrypt(encryptedContent);
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qDebug() << "Decrypted license content (debug)";
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// 解析格式: UUID:password
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// 使用 lastIndexOf 因为UUID中也可能包含冒号（虽然通常不会）
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int separatorIndex = decrypted.lastIndexOf(':');
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if (separatorIndex == -1)
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{
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qDebug() << "Invalid license format: no separator";
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return false;
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}
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QString licenseUUID = decrypted.left(separatorIndex);
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QString password = decrypted.mid(separatorIndex + 1);
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// 获取本机真实UUID
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QString currentUUID = getMachineUUID();
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qDebug() << "License UUID:" << licenseUUID;
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qDebug() << "Current UUID:" << currentUUID;
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// 验证UUID是否匹配
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if (licenseUUID != currentUUID)
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{
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qDebug() << "UUID mismatch - license not valid for this machine";
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return false;
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}
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// 验证密码是否正确
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if (password != customerPassword)
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{
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qDebug() << "Password mismatch";
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return false;
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}
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qDebug() << "License verification successful";
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return true;
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}
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bool LicenseManager::saveLicenseFile(const QString &activationCode)
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{
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QString filePath = getLicenseFilePath();
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QFile file(filePath);
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if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
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{
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qDebug() << "Cannot save license file to:" << filePath;
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return false;
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}
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QTextStream out(&file);
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out << activationCode;
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file.close();
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qDebug() << "License file saved to:" << filePath;
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return true;
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}
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bool LicenseManager::showActivationDialog(QWidget *parent)
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{
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ActivationDialog dialog(parent);
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while (true)
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{
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if (dialog.exec() != QDialog::Accepted)
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{
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return false; // 用户取消
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}
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QString serverAddress = dialog.getServerAddress();
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QString activationCode = dialog.getActivationCode();
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// 解析服务器地址和端口
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QString host;
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int port = 8080;
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if (serverAddress.contains(':'))
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{
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QStringList parts = serverAddress.split(':');
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host = parts[0];
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port = parts[1].toInt();
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}
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else
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{
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host = serverAddress;
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}
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// 显示连接中提示
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QMessageBox waitMsg(parent);
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waitMsg.setWindowTitle("请稍候");
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waitMsg.setText("正在连接激活服务器...");
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waitMsg.setStandardButtons(QMessageBox::NoButton);
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waitMsg.show();
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QApplication::processEvents();
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// 连接服务器
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QTcpSocket socket;
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socket.connectToHost(host, port);
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bool connected = socket.waitForConnected(10000); // 10秒超时
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if (!connected)
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{
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waitMsg.close();
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QMessageBox::warning(parent, "连接失败",
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QString("无法连接到服务器 %1:%2\n请检查网络连接和服务器地址。").arg(host).arg(port));
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continue;
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}
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// 构建激活请求
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QJsonObject requestObj;
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requestObj["uuid"] = getMachineUUID();
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requestObj["code"] = activationCode;
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requestObj["timestamp"] = QDateTime::currentDateTime().toString(Qt::ISODate);
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QJsonDocument doc(requestObj);
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QByteArray requestData = doc.toJson(QJsonDocument::Compact);
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// 发送请求
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socket.write(requestData);
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socket.write("\n");
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socket.flush();
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// 等待响应
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if (!socket.waitForReadyRead(15000)) // 15秒超时
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{
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waitMsg.close();
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socket.close();
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QMessageBox::warning(parent, "激活失败", "服务器响应超时，请重试。");
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continue;
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}
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QByteArray response = socket.readAll();
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socket.close();
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waitMsg.close();
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// 解析响应
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QJsonDocument responseDoc = QJsonDocument::fromJson(response);
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if (responseDoc.isNull() || !responseDoc.isObject())
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{
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QMessageBox::warning(parent, "激活失败", "服务器响应格式错误。");
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continue;
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}
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QJsonObject responseObj = responseDoc.object();
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QString status = responseObj["status"].toString();
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if (status == "success")
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{
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QString license = responseObj["license"].toString();
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// 保存激活文件
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if (saveLicenseFile(license))
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{
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// 验证保存的激活文件
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if (readAndVerifyLicense())
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{
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QMessageBox::information(parent, "成功", "软件激活成功！");
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return true;
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}
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}
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QMessageBox::warning(parent, "错误", "保存激活文件失败！");
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}
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else
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{
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QString message = responseObj["message"].toString();
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if (message.isEmpty())
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message = "激活失败，请检查激活码是否正确。";
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QMessageBox::StandardButton retry = QMessageBox::warning(
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parent, "激活失败", message,
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QMessageBox::Retry | QMessageBox::Cancel);
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if (retry != QMessageBox::Retry)
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{
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return false;
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}
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}
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}
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}
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// ==================== ActivationDialog 实现 ====================
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ActivationDialog::ActivationDialog(QWidget *parent) : QDialog(parent)
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{
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setWindowTitle("软件激活");
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setFixedSize(420, 240);
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setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
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// 确保对话框接收键盘输入
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setAttribute(Qt::WA_InputMethodEnabled, true);
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setupUI();
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}
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QString ActivationDialog::getServerAddress() const
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{
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return serverEdit->text().trimmed();
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}
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QString ActivationDialog::getActivationCode() const
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{
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return codeEdit->text().trimmed();
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}
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void ActivationDialog::setupUI()
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{
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QVBoxLayout *mainLayout = new QVBoxLayout(this);
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mainLayout->setContentsMargins(25, 20, 25, 20);
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mainLayout->setSpacing(12);
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// 标题
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QLabel *titleLabel = new QLabel("软件激活");
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titleLabel->setStyleSheet("font-size: 20px; font-weight: bold; color: #333;");
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titleLabel->setAlignment(Qt::AlignCenter);
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mainLayout->addWidget(titleLabel);
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mainLayout->addSpacing(8);
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// 提示信息
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QLabel *infoLabel = new QLabel("请输入激活服务器地址和激活码");
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infoLabel->setStyleSheet("font-size: 12px; color: #666;");
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infoLabel->setAlignment(Qt::AlignCenter);
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mainLayout->addWidget(infoLabel);
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mainLayout->addSpacing(8);
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// 服务器地址输入 - 使用 QFormLayout 风格
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QHBoxLayout *serverLayout = new QHBoxLayout();
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serverLayout->setSpacing(10);
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QLabel *serverLabel = new QLabel("服务器地址:");
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serverLabel->setFixedWidth(80);
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serverLabel->setStyleSheet("font-size: 13px;");
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serverEdit = new QLineEdit();
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serverEdit->setMinimumHeight(32);
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serverEdit->setPlaceholderText("例如: 192.168.1.100:8080");
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serverEdit->setStyleSheet("font-size: 13px; padding: 4px 8px;");
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serverLayout->addWidget(serverLabel);
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serverLayout->addWidget(serverEdit, 1);
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mainLayout->addLayout(serverLayout);
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// 激活码输入
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QHBoxLayout *codeLayout = new QHBoxLayout();
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codeLayout->setSpacing(10);
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QLabel *codeLabel = new QLabel("激 活 码:");
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codeLabel->setFixedWidth(80);
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codeLabel->setStyleSheet("font-size: 13px;");
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codeEdit = new QLineEdit();
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codeEdit->setMinimumHeight(32);
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codeEdit->setPlaceholderText("例如: RB2026-XXXX-XXXX-XXXX");
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codeEdit->setStyleSheet("font-size: 13px; padding: 4px 8px;");
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codeLayout->addWidget(codeLabel);
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codeLayout->addWidget(codeEdit, 1);
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mainLayout->addLayout(codeLayout);
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mainLayout->addSpacing(15);
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// 按钮
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QHBoxLayout *btnLayout = new QHBoxLayout();
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btnLayout->addStretch();
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confirmBtn = new QPushButton("激 活");
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confirmBtn->setFixedSize(100, 36);
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confirmBtn->setStyleSheet(
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"QPushButton { background-color: #4CAF50; color: white; font-size: 14px; font-weight: bold; border-radius: 4px; }"
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"QPushButton:hover { background-color: #45a049; }"
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"QPushButton:pressed { background-color: #3d8b40; }");
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connect(confirmBtn, &QPushButton::clicked, this, &ActivationDialog::onConfirmClicked);
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cancelBtn = new QPushButton("退 出");
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cancelBtn->setFixedSize(100, 36);
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cancelBtn->setStyleSheet(
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"QPushButton { background-color: #f44336; color: white; font-size: 14px; font-weight: bold; border-radius: 4px; }"
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"QPushButton:hover { background-color: #da3c30; }"
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"QPushButton:pressed { background-color: #c62828; }");
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connect(cancelBtn, &QPushButton::clicked, this, &QDialog::reject);
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btnLayout->addWidget(confirmBtn);
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btnLayout->addSpacing(20);
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btnLayout->addWidget(cancelBtn);
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btnLayout->addStretch();
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mainLayout->addLayout(btnLayout);
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// 确保可以Tab切换
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setTabOrder(serverEdit, codeEdit);
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setTabOrder(codeEdit, confirmBtn);
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setTabOrder(confirmBtn, cancelBtn);
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}
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void ActivationDialog::onConfirmClicked()
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{
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if (serverEdit->text().trimmed().isEmpty())
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{
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QMessageBox::warning(this, "提示", "请输入服务器地址！");
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serverEdit->setFocus();
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return;
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}
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if (codeEdit->text().trimmed().isEmpty())
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{
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QMessageBox::warning(this, "提示", "请输入激活码！");
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codeEdit->setFocus();
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return;
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}
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accept();
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}
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