/// <summary>
/// <para>Gets a license for the instance of the component and determines if it is valid.</para>
/// </summary>
public override License GetLicense(LicenseContext context, Type type, object instance, bool allowExceptions)
{
LicFileLicense lic = null;
Debug.Assert(context != null, "No context provided!");
if (context != null)
{
if (context.UsageMode == LicenseUsageMode.Runtime)
{
string key = context.GetSavedLicenseKey(type, null);
if (key != null && IsKeyValid(key, type))
{
lic = new LicFileLicense(this, key);
}
}
if (lic == null)
{
string modulePath = null;
if (context != null)
{
ITypeResolutionService resolver = (ITypeResolutionService)context.GetService(typeof(ITypeResolutionService));
if (resolver != null)
{
modulePath = resolver.GetPathOfAssembly(type.Assembly.GetName());
}
}
if (modulePath == null)
{
modulePath = type.Module.FullyQualifiedName;
}
string moduleDir = Path.GetDirectoryName(modulePath);
string licenseFile = moduleDir + "\\" + type.FullName + ".lic";
Debug.WriteLine($"Looking for license in: {licenseFile}");
if (File.Exists(licenseFile))
{
Stream licStream = new FileStream(licenseFile, FileMode.Open, FileAccess.Read, FileShare.Read);
StreamReader sr = new StreamReader(licStream);
string s = sr.ReadLine();
sr.Close();
if (IsKeyValid(s, type))
{
lic = new LicFileLicense(this, GetKey(type));
}
}
if (lic != null)
{
context.SetSavedLicenseKey(type, lic.LicenseKey);
}
}
}
return lic;
}
/// <summary>
/// <para>Gets a license for the instance of the component and determines if it is valid.</para>
/// </summary>
public override License GetLicense(LicenseContext context, Type type, object instance, bool allowExceptions)
{
LicFileLicense lic = null;
Debug.Assert(context != null, "No context provided!");
if (context != null)
{
if (context.UsageMode == LicenseUsageMode.Runtime)
{
string key = context.GetSavedLicenseKey(type, null);
if (key != null && IsKeyValid(key, type))
{
lic = new LicFileLicense(this, key);
}
}
if (lic == null)
{
string modulePath = null;
if (context != null)
{
ITypeResolutionService resolver = (ITypeResolutionService)context.GetService(typeof(ITypeResolutionService));
if (resolver != null)
{
modulePath = resolver.GetPathOfAssembly(type.Assembly.GetName());
}
}
if (modulePath == null)
{
modulePath = type.Module.FullyQualifiedName;
}
string moduleDir = Path.GetDirectoryName(modulePath);
string licenseFile = moduleDir + "\\" + type.FullName + ".lic";
Debug.WriteLine($"Looking for license in: {licenseFile}");
if (File.Exists(licenseFile))
{
Stream licStream = new FileStream(licenseFile, FileMode.Open, FileAccess.Read, FileShare.Read);
StreamReader sr = new StreamReader(licStream);
string s = sr.ReadLine();
sr.Close();
if (IsKeyValid(s, type))
{
lic = new LicFileLicense(this, GetKey(type));
}
}
if (lic != null)
{
context.SetSavedLicenseKey(type, lic.LicenseKey);
}
}
}
return(lic);
}
public override License GetLicense(LicenseContext context, Type type, object instance, bool allowExceptions)
{
LicFileLicense license = null;
if (context != null)
{
if (context.UsageMode == LicenseUsageMode.Runtime)
{
string savedLicenseKey = context.GetSavedLicenseKey(type, null);
if ((savedLicenseKey != null) && this.IsKeyValid(savedLicenseKey, type))
{
license = new LicFileLicense(this, savedLicenseKey);
}
}
if (license != null)
{
return(license);
}
string path = null;
if (context != null)
{
ITypeResolutionService service = (ITypeResolutionService)context.GetService(typeof(ITypeResolutionService));
if (service != null)
{
path = service.GetPathOfAssembly(type.Assembly.GetName());
}
}
if (path == null)
{
path = type.Module.FullyQualifiedName;
}
string str4 = Path.GetDirectoryName(path) + @"\" + type.FullName + ".lic";
if (File.Exists(str4))
{
Stream stream = new FileStream(str4, FileMode.Open, FileAccess.Read, FileShare.Read);
StreamReader reader = new StreamReader(stream);
string key = reader.ReadLine();
reader.Close();
if (this.IsKeyValid(key, type))
{
license = new LicFileLicense(this, this.GetKey(type));
}
}
if (license != null)
{
context.SetSavedLicenseKey(type, license.LicenseKey);
}
}
return(license);
}
// Get the license for a type.
public override License GetLicense
(LicenseContext context, Type type, object instance,
bool allowExceptions)
{
String key, path;
StreamReader reader;
// Bail out if we don't have a license context.
if(context == null)
{
return null;
}
// Use the saved key if we saw this type previously.
if(context.UsageMode == LicenseUsageMode.Runtime)
{
key = context.GetSavedLicenseKey(type, null);
if(key != null && IsKeyValid(key, type))
{
return new FileLicense(key);
}
}
// Find the pathname of the assembly containing the type.
#if CONFIG_COMPONENT_MODEL_DESIGN
ITypeResolutionService trs;
trs = (ITypeResolutionService)
context.GetService(typeof(ITypeResolutionService));
if(trs != null)
{
path = trs.GetPathOfAssembly(type.Assembly.GetName());
if(path == null)
{
path = type.Assembly.Location;
}
}
else
#endif
{
path = type.Assembly.Location;
}
// Look for a "*.lic" file for the type.
path = Path.Combine(Path.GetDirectoryName(path),
type.FullName + ".lic");
try
{
reader = new StreamReader(path);
}
catch(Exception)
{
// Could not open the file, so assume unlicensed.
return null;
}
// Read the key from the first line of the license file.
key = reader.ReadLine();
reader.Close();
// Bail out if the key is invalid.
if(key == null || !IsKeyValid(key, type))
{
return null;
}
// Cache the key within the context.
context.SetSavedLicenseKey(type, key);
// Return a new file license to the caller.
return new FileLicense(key);
}
/// <summary>
/// Return the directory used to store license files
/// </summary>
/// <param name="context">The licence context</param>
/// <param name="type">The type being licensed</param>
/// <returns>The directory to look for license files</returns>
protected virtual string GetLicenseDirectory(LicenseContext context, Type type)
{
string result = null;
// try to use the type resolver service if available
//
if (context != null)
{
ITypeResolutionService resolver = (ITypeResolutionService)context.GetService(typeof(ITypeResolutionService));
if (resolver != null)
result = resolver.GetPathOfAssembly(type.Assembly.GetName());
}
if (result == null)
{
// use the code base if possible - because this works properly under ASP.NET
// where as the Module.FullyQualifiedName points to a temporary file
//
result = type.Assembly.CodeBase;
if (result.StartsWith(@"file:///"))
{
result = result.Replace(@"file:///", "");
}
else
{
result = type.Module.FullyQualifiedName;
}
}
return Path.GetDirectoryName(result);
}
// Get the license for a type.
public override License GetLicense
(LicenseContext context, Type type, object instance,
bool allowExceptions)
{
String key, path;
StreamReader reader;
// Bail out if we don't have a license context.
if (context == null)
{
return(null);
}
// Use the saved key if we saw this type previously.
if (context.UsageMode == LicenseUsageMode.Runtime)
{
key = context.GetSavedLicenseKey(type, null);
if (key != null && IsKeyValid(key, type))
{
return(new FileLicense(key));
}
}
// Find the pathname of the assembly containing the type.
#if CONFIG_COMPONENT_MODEL_DESIGN
ITypeResolutionService trs;
trs = (ITypeResolutionService)
context.GetService(typeof(ITypeResolutionService));
if (trs != null)
{
path = trs.GetPathOfAssembly(type.Assembly.GetName());
if (path == null)
{
path = type.Assembly.Location;
}
}
else
#endif
{
path = type.Assembly.Location;
}
// Look for a "*.lic" file for the type.
path = Path.Combine(Path.GetDirectoryName(path),
type.FullName + ".lic");
try
{
reader = new StreamReader(path);
}
catch (Exception)
{
// Could not open the file, so assume unlicensed.
return(null);
}
// Read the key from the first line of the license file.
key = reader.ReadLine();
reader.Close();
// Bail out if the key is invalid.
if (key == null || !IsKeyValid(key, type))
{
return(null);
}
// Cache the key within the context.
context.SetSavedLicenseKey(type, key);
// Return a new file license to the caller.
return(new FileLicense(key));
}
/// <include file='doc\LicFileLicenseProvider.uex' path='docs/doc[@for="LicFileLicenseProvider.GetLicense"]/*' />
/// <devdoc>
/// <para>Gets a license for the instance of the component and determines if it is valid.</para>
/// </devdoc>
public override License GetLicense(LicenseContext context, Type type, object instance, bool allowExceptions)
{
ProcCountLicense lic = null;
Debug.Assert(context != null, "No context provided!");
//if no context is provided, do nothing
if (context != null)
{
//if this control is in runtime mode
if (context.UsageMode == LicenseUsageMode.Runtime)
{
//retreive the stored license key
string key = context.GetSavedLicenseKey(type, null);
//check if the stored license key is null
// and call IsKeyValid to make sure its valid
if (key != null && IsKeyValid(key, type))
{
//if the key is valid create a new license
lic = new ProcCountLicense(this, key);
}
}
//if we're in design mode or
//a suitable license key wasn't found in
//the runtime context.
//attempt to look for a .LIC file
if (lic == null)
{
//build up the path where the .LIC file
//should be
string modulePath = null;
// try and locate the file for the assembly
if (context != null)
{
ITypeResolutionService resolver = (ITypeResolutionService)context.GetService(typeof(ITypeResolutionService));
if (resolver != null)
modulePath = resolver.GetPathOfAssembly(type.Assembly.GetName());
}
if (modulePath == null)
modulePath = type.Module.FullyQualifiedName;
//get the path from the file location
string moduleDir = Path.GetDirectoryName(modulePath);
//build the path of the .LIC file
string licenseFile = moduleDir + "\\" + type.FullName + ".lic";
Debug.WriteLine("Path of license file: " + licenseFile);
//if the .LIC file exists, dig into it
if (File.Exists(licenseFile))
{
//crack the file and get the first line
Stream licStream = new FileStream(licenseFile, FileMode.Open, FileAccess.Read, FileShare.Read);
StreamReader sr = new StreamReader(licStream);
string s = sr.ReadLine();
sr.Close();
Debug.WriteLine("Contents of license file: " + s);
//check if the key is valid
if (IsKeyValid(s, type))
{
//valid key so create a new License
lic = new ProcCountLicense(this, s);
}
}
//if we managed to create a license, stuff it into the context
if (lic != null)
{
context.SetSavedLicenseKey(type, lic.LicenseKey);
}
}
}
return lic;
}
/// <summary>
/// Return the directory used to store license files
/// </summary>
/// <param name="context">The licence context</param>
/// <param name="type">The type being licensed</param>
/// <returns>The directory to look for license files</returns>
protected virtual string GetLicenseDirectory(LicenseContext context, Type type)
{
string result = null;
// try to use the type resolver service if available
//
if (context != null && type != null)
{
ITypeResolutionService resolver = (ITypeResolutionService)context.GetService(typeof(ITypeResolutionService));
if (resolver != null)
result = resolver.GetPathOfAssembly(type.Assembly.GetName());
}
if (result == null)
{
if (type == null)
{
result = AppDomain.CurrentDomain.BaseDirectory;
}
else
{
Assembly assembly = type.Assembly;
// use the code base if possible
//
result = assembly.CodeBase;
if (result.StartsWith(@"file:///"))
{
result = result.Replace(@"file:///", "");
}
else
{
result = type.Module.FullyQualifiedName;
}
}
}
return Path.GetDirectoryName(result);
}
