private static string GetSingleOrDefaultClaimValue(this IPrincipal principal, string claimName)
{
try
{
return(principal.GetClaims()
.SingleOrDefault(claim => claim.Type == claimName)?.Value);
}
catch (Exception exc)
{
var principalName = principal.GetName();
var methodName = MethodBase.GetCurrentMethod().Name;
if (principal == null)
{
Trace.TraceError($"{principalName}: {methodName}: principal is NULL");
}
else
{
var claims = principal.GetClaims();
if (claims == null)
{
Trace.TraceError($"{principalName}: {methodName}: claims is NULL");
}
}
LogException(principalName, methodName, exc);
return(null);
}
}
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);
}
}
private static IEnumerable <Claim> GetClaims(this IPrincipal principal)
{
try
{
return(principal.GetClaimsIdentity().Claims);
}
catch (Exception exc)
{
var principalName = principal.GetName();
var methodName = MethodBase.GetCurrentMethod().Name;
if (principal == null)
{
Trace.TraceError($"{principalName}: {methodName}: principal is NULL");
}
else
{
var claimsIdentity = principal.GetClaimsIdentity();
if (claimsIdentity == null)
{
Trace.TraceError($"{principalName}: {methodName}: claimsIdentity is NULL");
}
}
LogException(principalName, methodName, exc);
return(null);
}
}
public void GetName_UsingValidPrincipal_MustReturnExpectedName(IPrincipal validPrincipal)
{
// Arrange & Act
string userName = validPrincipal.GetName();
// Assert
userName.Should().NotBeNullOrWhiteSpace("because principal name must means something");
}
public void GetName_UsingNullAsPrincipalIdentity_MustThrowException()
{
// Arrange
var principalMock = new Mock <IPrincipal>();
principalMock.SetupGet(principal => principal.Identity).Returns(() => null);
IPrincipal mockedPrincipal = principalMock.Object;
// Act
Action actionExpectedToFail = () => mockedPrincipal.GetName();
// Assert
actionExpectedToFail.Should().ThrowExactly <ArgumentNullException>()
.And.ParamName.Should().Be("principal.Identity",
"because a principal with a null identity does not have a name");
}
public static string GetDomain(this IPrincipal principal)
{
try
{
return(principal.GetSingleOrDefaultClaimValue(CustomClaimTypes.Domain));
}
catch (Exception exc)
{
var principalName = principal.GetName();
var methodName = MethodBase.GetCurrentMethod().Name;
if (principal == null)
{
Trace.TraceError($"{principalName}: {methodName}: principal is NULL");
}
LogException(principalName, methodName, exc);
return(null);
}
}
public static List <string> GetSamplesRoles(this IPrincipal principal)
{
try
{
return(principal.GetClaims()
.Where(claim => claim.Type == ClaimTypes.GroupSid)
.Select(claim =>
new
{
claim,
roleName = new SecurityIdentifier(claim.Value).Translate(typeof(NTAccount)).Value
})
.Where(x => x.roleName.StartsWith(ActiveDirectorySettings.DomainAndPrefix,
StringComparison.InvariantCultureIgnoreCase))
.Select(x => x.roleName)
.ToList());
}
catch (Exception exc)
{
var principalName = principal.GetName();
var methodName = MethodBase.GetCurrentMethod().Name;
if (principal == null)
{
Trace.TraceError($"{principalName}: {methodName}: principal is NULL");
}
else
{
var claims = principal.GetClaims();
if (claims == null)
{
Trace.TraceError($"{principalName}: {methodName}: claims is NULL");
}
}
LogException(principalName, methodName, exc);
return(null);
}
}
private async Task <TodoItem> GetExistingTodoItem(long?id, IPrincipal owner)
{
TodoItem existingTodoItem = await todoDbContext.TodoItems
.SingleOrDefaultAsync(todoItem => todoItem.Id == id && todoItem.CreatedBy == owner.GetName());
if (existingTodoItem == null)
{
throw new EntityNotFoundException(typeof(TodoItem), id);
}
return(existingTodoItem);
}
