public Info Read(string assemblyFile)
{
Info info = new Info();
Assembly assembly = Assembly.LoadFrom(assemblyFile);
object[] attributes = assembly.GetCustomAttributes(typeof(AssemblyProductAttribute), false);
if (attributes == null || attributes.Length != 1)
{
info.Product = null;
}
else
{
info.Product = ((AssemblyProductAttribute)attributes[0]).Product;
}
info.AssemblyVersion = assembly.GetName().Version;
info.AssemblyFileVersion = GetAssemblyFileVersion(assembly);
info.ReleaseDate = GetReleaseDate(info.AssemblyFileVersion);
LicenseItemAttribute[] licenseItemAttributes = (LicenseItemAttribute[])assembly.GetCustomAttributes(typeof(LicenseItemAttribute), false);
KeyValuePair <string, string>[] licenseItems = new KeyValuePair <string, string> [licenseItemAttributes.Length];
for (int i = 0; i < licenseItemAttributes.Length; i++)
{
licenseItems[i] = new KeyValuePair <string, string>(licenseItemAttributes[i].Name, licenseItemAttributes[i].GetDescription(assembly, CultureInfo.CurrentCulture));
}
info.LicenseItems = new ReadOnlyCollection <KeyValuePair <string, string> >(licenseItems);
info.AssemblyData = AssemblyLicense.GetAssemblyData(assembly);
info.PublicKeyXml = LicenseClient.PublicKeyXmlFromAssembly(assembly);
return(info);
}
public static string FormatLicenseError(LicenseError licenseError)
{
Debug.Assert(licenseError != null);
return(string.Format(
CultureInfo.CurrentUICulture,
SR.Message_LicenseError,
AssemblyLicense.GetAssemblyName(licenseError.Assembly),
licenseError.Reason,
licenseError.Message,
licenseError.License == null ? string.Empty : licenseError.License.SignedString));
}
internal static Version GetAssemblyFileVersion(Assembly assembly)
{
object[] attributes = assembly.GetCustomAttributes(typeof(AssemblyFileVersionAttribute), true);
Version version;
if (attributes == null || attributes.Length == 0)
{
version = AssemblyLicense.GetAssemblyName(assembly).Version;
}
else
{
var attribute = (AssemblyFileVersionAttribute)attributes[0];
version = new Version(attribute.Version);
}
return(version);
}
/// <summary>Gets the file name of the caller assembly's embedded resource.</summary>
/// <param name="assemblyName">The assembly name to be licensed.</param>
/// <returns>The file name of the caller assembly's embedded resource.</returns>
public static string GetAssemblyLicenseFileName(AssemblyName assemblyName)
{
return(string.Format(CultureInfo.InvariantCulture, "{0}.{1}.lic", assemblyName.Name, AssemblyLicense.GetAssemblyPublicKeyToken(assemblyName)));
}
public static string FormatNullPublicKey(Assembly assembly)
{
return(string.Format(CultureInfo.InvariantCulture, SR.Exception_NullPublicKey, AssemblyLicense.GetAssemblyName(assembly)));
}
private static LicenseError Validate(string licenseItemName, Assembly assembly, bool designMode, bool throwsException)
{
if (assembly == null)
{
throw new ArgumentNullException("assembly");
}
if (string.IsNullOrEmpty(licenseItemName))
{
throw new ArgumentNullException("licenseItemName");
}
LicenseError error = null;
License license = GetLicense(assembly, designMode);
if (license != null)
{
error = license.Validate(licenseItemName);
}
if (license == null || error != null)
{
string publicKeyToken = AssemblyLicense.GetAssemblyPublicKeyToken(assembly);
// check the calling assembly's public key token
Assembly entryAssembly = Assembly.GetEntryAssembly();
if (entryAssembly != null && entryAssembly != assembly)
{
if (AssemblyLicense.GetAssemblyPublicKeyToken(entryAssembly) == publicKeyToken) // Entry assembly signed by the same key
{
if (IsTraceEnabled)
{
WriteTrace(assembly, Messages.FormatAssemblySignedWithSameKey(entryAssembly));
}
return(null);
}
}
// check the calling assembly's public key token
Assembly currentAssembly = Assembly.GetExecutingAssembly();
StackTrace stackTrace = new StackTrace();
for (int i = 1; i < stackTrace.FrameCount; i++)
{
StackFrame stackFrame = stackTrace.GetFrame(i);
Type reflectedType = stackFrame.GetMethod().ReflectedType;
if (reflectedType == null)
{
continue;
}
Assembly reflectedAssembly = reflectedType.Assembly;
if (reflectedAssembly == assembly || reflectedAssembly == currentAssembly)
{
continue;
}
if (AssemblyLicense.GetAssemblyPublicKeyToken(reflectedAssembly) == publicKeyToken) // Calling assembly signed by the same key
{
if (IsTraceEnabled)
{
WriteTrace(assembly, Messages.FormatAssemblySignedWithSameKey(reflectedAssembly));
}
return(null);
}
}
}
if (license == null)
{
error = new LicenseError(assembly, LicenseErrorReason.NullLicense, Messages.NullLicense, null);
}
if (error != null && throwsException)
{
throw new LicenseException(error);
}
return(error);
}
