private static string FindFirstClaimValue(this IPrincipal principal, string claim)
{
try
{
return(principal.GetClaimsPrincipal().FindFirst(claim)?.Value);
}
catch (Exception exc)
{
var principalName = principal.GetName();
var methodName = MethodBase.GetCurrentMethod().Name;
if (principal == null)
{
Trace.TraceError($"{principalName}: {methodName}: principal is NULL");
}
else
{
var claimsPrincipal = principal.GetClaimsPrincipal();
if (claimsPrincipal == null)
{
Trace.TraceError($"{principalName}: {methodName}: claimsPrincipal is NULL");
}
}
LogException(principalName, methodName, exc);
return(null);
}
}
public static ClaimsIdentity GetClaimsIdentity(this IPrincipal principal)
{
try
{
return((ClaimsIdentity)principal.GetClaimsPrincipal().Identity);
}
catch (Exception exc)
{
var principalName = principal.GetName();
var methodName = MethodBase.GetCurrentMethod().Name;
if (principal == null)
{
Trace.TraceError($"{principalName}: {methodName}: principal is NULL");
}
else
{
var claimsPrincipal = principal.GetClaimsPrincipal();
if (claimsPrincipal == null)
{
Trace.TraceError($"{principalName}: {methodName}: claimsPrincipal is NULL");
}
}
LogException(principalName, methodName, exc);
return(null);
}
}
public static string GetClaim(this IPrincipal principal, string name)
{
var current = principal.GetClaimsPrincipal();
var claim = current.FindFirst(name);
return(claim?.Value);
}
public static ClaimsIdentity GetClaimsIdentity(this IPrincipal principal)
{
var claimsPrincipal = principal.GetClaimsPrincipal();
if (claimsPrincipal == null)
{
return(null);
}
var identity = claimsPrincipal.Identity as ClaimsIdentity;
if (identity == null)
{
return(null);
}
return(identity);
}