/// <summary>
/// 检查文件签名
/// </summary>
/// <param name="li"></param>
/// <returns></returns>
private static Boolean CheckFileSign(LicenseInfo li)
{
if (li == null)
{
return(false);
}
//未启用该限制
if (!li.FileSignature.Enable)
{
return(true);
}
if (String.IsNullOrEmpty(li.FileSignature.Value))
{
return(false);
}
// 获取授权文件路径
string path = typeof(License).Module.FullyQualifiedName;
// 读取授权文件
string filepath = Path.GetDirectoryName(path) + @"\XCode.dll";
Byte[] bts;
using (FileStream fs = new FileStream(filepath, FileMode.Open, FileAccess.Read))
{
bts = new Byte[fs.Length];
fs.Read(bts, 0, bts.Length);
fs.Close();
}
if (!Verify(bts, li.FileSignature, PublicKey))
{
return(false);
}
return(true);
}
internal static void MakeTrail(String filepath)
{
LicenseInfo info = LicenseInfo.Trial;
info.ReadHardInfo();
//写入当前URL
if (HttpContext.Current != null)
{
info.WebSiteList.Enable = true;
info.WebSiteList = HttpContext.Current.Request.Url.ToString();
}
String path = GetPath();
path = Path.Combine(path, "XCode.dll");
if (File.Exists(path))
{
info.FileSignature.Enable = true;
Byte[] data = File.ReadAllBytes(path);
if (data != null)
{
MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
data = md5.ComputeHash(data);
info.FileSignature = Convert.ToBase64String(data);
}
}
String content = info.ToXML();
//Byte[] bts = Encrypt(Encoding.UTF8.GetBytes(content), InternalKey);
content = Encode(content);
Byte[] bts = Encoding.UTF8.GetBytes(content);
//content = Convert.ToBase64String(bts);
//using (StreamWriter sw = new StreamWriter(filepath, false, Encoding.UTF8))
//{
// sw.Write(content);
// sw.Close();
//}
using (FileStream fs = new FileStream(filepath, FileMode.OpenOrCreate, FileAccess.Write))
{
fs.Write(bts, 0, bts.Length);
fs.SetLength(bts.Length);
}
}
/// <summary>
/// 加载
/// </summary>
/// <param name="xml"></param>
/// <returns></returns>
public static LicenseInfo FromXML(String xml)
{
if (String.IsNullOrEmpty(xml))
{
return(null);
}
try
{
XmlDocument Doc = new XmlDocument();
Doc.LoadXml(xml);
LicenseInfo li = new LicenseInfo();
foreach (String item in li.Items.Keys)
{
li.Items[item].FromXml(Doc, item);
}
return(li);
}
catch { return(null); }
}
/// <summary>
/// 读取授权。如果成功，则返回授权；否则返回试用授权。
/// 不需要建立文件监视，因为如果授权文件改变，程序域将会重启。
/// </summary>
/// <returns></returns>
private static LicenseInfo GetLicense()
{
try
{
String key = ReadLicense();
//无法读出授权信息，以试用版方式运行。
if (String.IsNullOrEmpty(key))
{
_Current = LicenseInfo.Trial;
return(_Current);
}
String xml = Decode(key);
if (String.IsNullOrEmpty(xml))
{
ShowErr("非法授权文件！");
_Current = LicenseInfo.Trial;
return(_Current);
}
_Current = LicenseInfo.FromXML(xml);
//马上检查文件签名授权
if (!CheckFileSign(_Current))
{
ShowErr("本授权只针对特定版本的XCode，请不要使用其它版本的XCode！");
_Current = LicenseInfo.Trial;
}
}
catch (Exception ex)
{
XTrace.WriteLine(ex.ToString());
_Current = LicenseInfo.Trial;
}
//放在后面返回，任何错误时都能将其设置为试用版。
return(_Current);
}
/// <summary>
/// 加载
/// </summary>
/// <param name="xml"></param>
/// <returns></returns>
public static LicenseInfo FromXML(String xml)
{
if (String.IsNullOrEmpty(xml)) return null;
try
{
XmlDocument Doc = new XmlDocument();
Doc.LoadXml(xml);
LicenseInfo li = new LicenseInfo();
foreach (String item in li.Items.Keys)
{
li.Items[item].FromXml(Doc, item);
}
return li;
}
catch { return null; }
}
/// <summary>
/// 检查文件签名
/// </summary>
/// <param name="li"></param>
/// <returns></returns>
private static Boolean CheckFileSign(LicenseInfo li)
{
if (li == null) return false;
//未启用该限制
if (!li.FileSignature.Enable) return true;
if (String.IsNullOrEmpty(li.FileSignature.Value)) return false;
// 获取授权文件路径
string path = typeof(License).Module.FullyQualifiedName;
// 读取授权文件
string filepath = Path.GetDirectoryName(path) + @"\XCode.dll";
Byte[] bts;
using (FileStream fs = new FileStream(filepath, FileMode.Open, FileAccess.Read))
{
bts = new Byte[fs.Length];
fs.Read(bts, 0, bts.Length);
fs.Close();
}
if (!Verify(bts, li.FileSignature, PublicKey)) return false;
return true;
}
/// <summary>
/// 读取授权。如果成功，则返回授权；否则返回试用授权。
/// 不需要建立文件监视，因为如果授权文件改变，程序域将会重启。
/// </summary>
/// <returns></returns>
private static LicenseInfo GetLicense()
{
try
{
String key = ReadLicense();
//无法读出授权信息，以试用版方式运行。
if (String.IsNullOrEmpty(key))
{
_Current = LicenseInfo.Trial;
return _Current;
}
String xml = Decode(key);
if (String.IsNullOrEmpty(xml))
{
ShowErr("非法授权文件！");
_Current = LicenseInfo.Trial;
return _Current;
}
_Current = LicenseInfo.FromXML(xml);
//马上检查文件签名授权
if (!CheckFileSign(_Current))
{
ShowErr("本授权只针对特定版本的XCode，请不要使用其它版本的XCode！");
_Current = LicenseInfo.Trial;
}
}
catch (Exception ex)
{
XTrace.WriteLine(ex.ToString());
_Current = LicenseInfo.Trial;
}
//放在后面返回，任何错误时都能将其设置为试用版。
return _Current;
}
