public override void Uninstall(System.Collections.IDictionary savedState)
{
// Call the base implementation.
base.Uninstall(savedState);
// Check whether the "allUsers" property is saved.
// If it is not set, the Install method did not set the security policy.
if ((savedState == null) || (savedState["allUsers"] == null))
{
return;
}
// The solutionCodeGroupName must be a unique name; otherwise, the method might delete wrong code group.
string solutionCodeGroupName = this.Context.Parameters["solutionCodeGroupName"];
if (String.IsNullOrEmpty(solutionCodeGroupName))
{
throw new InstallException("Cannot remove the security policy. The specified solution code group name is not valid.");
}
try
{
bool allUsers = (bool)savedState["allUsers"];
CaspolSecurityPolicyCreator.RemoveSecurityPolicy(allUsers, solutionCodeGroupName);
}
catch (Exception ex)
{
// Note that throwing an exception might stop the uninstall process.
// To inform the user and stop the uninstall process, throw an exception.
// To continue the uninstall, do not throw the exception.
throw new InstallException("Cannot remove the security policy.", ex);
}
}
public override void Install(System.Collections.IDictionary stateSaver)
{
// Call the base implementation.
base.Install(stateSaver);
string allUsersString = this.Context.Parameters["allUsers"];
string solutionCodeGroupName = this.Context.Parameters["solutionCodeGroupName"];
string solutionCodeGroupDescription = this.Context.Parameters["solutionCodeGroupDescription"];
string targetDir = this.Context.Parameters["targetDir"];
string assemblyName = this.Context.Parameters["assemblyName"];
string assemblyCodeGroupName = this.Context.Parameters["assemblyCodeGroupName"];
string assemblyCodeGroupDescription = this.Context.Parameters["assemblyCodeGroupDescription"];
// Note that a code group with solutionCodeGroupName name is created in the
// Install method and removed in the Rollback and Uninstall methods.
// The solutionCodeGroupName must be a unique name to ensure that the
// correct code group is removed during Rollback and Uninstall.
if (String.IsNullOrEmpty(solutionCodeGroupName))
{
throw new InstallException("Cannot set the security policy. The specified solution code group name is not valid.");
}
if (String.IsNullOrEmpty(solutionCodeGroupDescription))
{
throw new InstallException("Cannot set the security policy. The specified solution code group description is not valid.");
}
if (String.IsNullOrEmpty(targetDir))
{
throw new InstallException("Cannot set the security policy. The specified target directory is not valid.");
}
if (String.IsNullOrEmpty(assemblyName))
{
throw new InstallException("Cannot set the security policy. The specified assembly name is not valid.");
}
if (String.IsNullOrEmpty(assemblyCodeGroupName))
{
throw new InstallException("Cannot set the security policy. The specified assembly code group name is not valid.");
}
if (String.IsNullOrEmpty(assemblyCodeGroupDescription))
{
throw new InstallException("Cannot set the security policy. The specified assembly code group description is not valid.");
}
if (stateSaver == null)
{
throw new ArgumentNullException("stateSaver");
}
try
{
bool allUsers = String.Equals(allUsersString, "1");
string assemblyPath = Path.Combine(targetDir, assemblyName);
// Note that Install method may be invoked during Repair mode and the code group
// may already exist.
// To prevent adding of another code group, remove the code group if it exists.
try
{
// The solutionCodeGroupName must be a unique name; otherwise, the method might delete wrong code group.
CaspolSecurityPolicyCreator.RemoveSecurityPolicy(allUsers, solutionCodeGroupName);
}
catch {}
CaspolSecurityPolicyCreator.AddSecurityPolicy(
allUsers,
solutionCodeGroupName,
solutionCodeGroupDescription,
assemblyPath,
assemblyCodeGroupName,
assemblyCodeGroupDescription);
stateSaver.Add("allUsers", allUsers);
}
catch (Exception ex)
{
throw new InstallException("Cannot set the security policy.", ex);
}
}
