/// <summary>
/// Checks whether the default runspace associated with the current thread has the standard Get-Help cmdlet.
/// <summary>
/// <return>True if Get-Help is found, false otherwise.</return>
private static bool DoesCurrentRunspaceIncludeCoreHelpCmdlet()
{
InitialSessionState iss = Runspace.DefaultRunspace.InitialSessionState;
if (iss is null)
{
return(false);
}
Collection <SessionStateCommandEntry> getHelpEntries = iss.Commands["Get-Help"];
SessionStateCommandEntry getHelpEntry = null;
for (int i = 0; i < getHelpEntries.Count; ++i)
{
if (getHelpEntries[i].Visibility is not SessionStateEntryVisibility.Public)
{
continue;
}
// If we have multiple entries for Get-Help,
// our assumption is that the standard Get-Help is not available.
if (getHelpEntry is not null)
{
return(false);
}
getHelpEntry = getHelpEntries[i];
}
return(getHelpEntry is SessionStateCmdletEntry getHelpCmdlet &&
getHelpCmdlet.ImplementingType == typeof(GetHelpCommand));
}
/// <summary>
/// Gets custom initial session state
/// It relies on the RBAC system to give list of commands allowed for a user
/// and creates Initial Session state from that
/// </summary>
/// <param name="senderInfo">Sender information</param>
/// <returns>Custom initial Session state</returns>
public override InitialSessionState GetInitialSessionState(PSSenderInfo senderInfo)
{
if (senderInfo == null)
{
throw new ArgumentNullException("senderInfo");
}
if (senderInfo.UserInfo == null)
{
throw new ArgumentException("senderInfo.UserInfo is null");
}
InitialSessionState initialSessionState = InitialSessionState.CreateDefault();
foreach (SessionStateCommandEntry command in initialSessionState.Commands)
{
command.Visibility = SessionStateEntryVisibility.Private;
}
List <string> scripts = RbacSystem.Current.GetScripts(senderInfo.UserInfo);
foreach (string script in scripts)
{
initialSessionState.Commands.Add(new SessionStateScriptEntry(script));
}
List <string> modules = RbacSystem.Current.GetModules(senderInfo.UserInfo);
if (modules.Count > 0)
{
initialSessionState.ImportPSModule(modules.ToArray());
}
// enable execution of scripts in this process
System.Environment.SetEnvironmentVariable("PSExecutionPolicyPreference", "unrestricted");
List <string> cmdletsFromRbac = RbacSystem.Current.GetCmdlets(senderInfo.UserInfo);
// Add all commands from Rbac system to Initial Session State commands
foreach (string cmdlet in cmdletsFromRbac)
{
SessionStateCommandEntry cmdletFromRbac = initialSessionState.Commands.FirstOrDefault(item => string.Equals(item.Name, cmdlet, StringComparison.OrdinalIgnoreCase));
if (cmdletFromRbac == null)
{
throw new ArgumentException("Command not found in InitialSessionState " + cmdlet);
}
cmdletFromRbac.Visibility = SessionStateEntryVisibility.Public;
}
return(initialSessionState);
}
// Token: 0x06001417 RID: 5143 RVA: 0x000489D3 File Offset: 0x00046BD3
internal SessionStateCommandEntryWithMetadata(SessionStateCommandEntry sessionStateCommandEntry, CommandMetadata commandMetadata)
{
this.SessionStateCommandEntry = sessionStateCommandEntry;
this.CommandMetadata = commandMetadata;
}