/// <summary>
/// Creates a principal based on username and password
/// </summary>
internal static AdoClaimsIdentity Create(String userName, String password)
{
try
{
if (userName == AuthenticationContext.AnonymousPrincipal.Identity.Name ||
userName == AuthenticationContext.SystemPrincipal.Identity.Name)
{
throw new PolicyViolationException(new GenericPrincipal(new GenericIdentity(userName), new String[0]), PermissionPolicyIdentifiers.Login, PolicyGrantType.Deny);
}
Guid?userId = Guid.Empty;
using (var dataContext = s_configuration.Provider.GetWriteConnection())
{
dataContext.Open();
// Attempt to get a user
var hashingService = ApplicationServiceContext.Current.GetService <IPasswordHashingService>();
var passwordHash = hashingService.ComputeHash(password);
var fnResult = dataContext.FirstOrDefault <CompositeResult <DbSecurityUser, FunctionErrorCode> >("auth_usr", userName, passwordHash, s_securityConfiguration?.GetSecurityPolicy(SecurityPolicyIdentification.MaxInvalidLogins, 5) ?? 5);
var user = fnResult.Object1;
if (!String.IsNullOrEmpty(fnResult.Object2.ErrorCode))
{
if (fnResult.Object2.ErrorCode.Contains("AUTH_LCK:"))
{
UpdateCache(user, dataContext);
}
throw new AuthenticationException(fnResult.Object2.ErrorCode);
}
var roles = dataContext.Query <DbSecurityRole>(dataContext.CreateSqlStatement <DbSecurityRole>().SelectFrom()
.InnerJoin <DbSecurityUserRole>(o => o.Key, o => o.RoleKey)
.Where <DbSecurityUserRole>(o => o.UserKey == user.Key));
var userIdentity = new AdoClaimsIdentity(user, roles, true)
{
m_authenticationType = "Password"
};
// Is user allowed to login?
if (user.UserClass == UserClassKeys.HumanUser)
{
new PolicyPermission(System.Security.Permissions.PermissionState.Unrestricted, PermissionPolicyIdentifiers.Login, new GenericPrincipal(userIdentity, null)).Demand();
}
else if (user.UserClass == UserClassKeys.ApplicationUser)
{
new PolicyPermission(System.Security.Permissions.PermissionState.Unrestricted, PermissionPolicyIdentifiers.LoginAsService, new GenericPrincipal(userIdentity, null)).Demand();
}
// add the security user to the cache before exiting
UpdateCache(user, dataContext);
return(userIdentity);
}
}
catch (AuthenticationException e)
{
// TODO: Audit this
if (e.Message.Contains("AUTH_INV:") || e.Message.Contains("AUTH_LCK:") || e.Message.Contains("AUTH_TFA:"))
{
throw new AuthenticationException(e.Message.Substring(0, e.Message.IndexOf(":")), e);
}
else
{
throw;
}
}
catch (SecurityException)
{
// TODO: Audit this
throw;
}
catch (DbException e)
{
s_traceSource.TraceEvent(EventLevel.Error, "Database Error Creating Identity: {0}", e);
throw new AuthenticationException(e.Message, e);
}
catch (Exception e)
{
s_traceSource.TraceEvent(EventLevel.Error, e.ToString());
throw new Exception("Creating identity failed", e);
}
}
/// <summary>
/// Create an authorization context
/// </summary>
public IClaimsPrincipal CreateClaimsPrincipal(IEnumerable <IClaimsIdentity> otherIdentities = null)
{
if (!this.IsAuthenticated)
{
throw new SecurityException("Principal is not authenticated");
}
try
{
// System claims
List <IClaim> claims = new List <IClaim>(
)
{
new SanteDBClaim(SanteDBClaimTypes.AuthenticationMethod, this.m_authenticationType ?? "LOCAL"),
new SanteDBClaim(SanteDBClaimTypes.Sid, this.m_securityUser.Key.ToString()),
new SanteDBClaim(SanteDBClaimTypes.NameIdentifier, this.m_securityUser.Key.ToString()),
new SanteDBClaim(SanteDBClaimTypes.Actor, this.m_securityUser.UserClass.ToString()),
};
if (!this.Claims.Any(o => o.Type == SanteDBClaimTypes.Name))
{
claims.Add(new SanteDBClaim(SanteDBClaimTypes.Name, this.m_securityUser.UserName));
}
if (!this.Claims.Any(o => o.Type == SanteDBClaimTypes.DefaultRoleClaimType))
{
claims.AddRange(this.m_roles.Select(r => new SanteDBClaim(SanteDBClaimTypes.DefaultRoleClaimType, r.Name)));
}
if (this.m_securityUser.PasswordExpiration.HasValue && this.m_securityUser.PasswordExpiration < DateTime.Now)
{
claims.Add(new SanteDBClaim(SanteDBClaimTypes.PurposeOfUse, PurposeOfUseKeys.SecurityAdmin.ToString()));
claims.Add(new SanteDBClaim(SanteDBClaimTypes.SanteDBScopeClaim, PermissionPolicyIdentifiers.LoginPasswordOnly));
claims.Add(new SanteDBClaim(SanteDBClaimTypes.SanteDBScopeClaim, PermissionPolicyIdentifiers.ReadMetadata));
}
if (this.m_securityUser.Email != null)
{
claims.Add(new SanteDBClaim(SanteDBClaimTypes.Email, this.m_securityUser.Email));
}
if (this.m_securityUser.PhoneNumber != null)
{
claims.Add(new SanteDBClaim(SanteDBClaimTypes.Telephone, this.m_securityUser.PhoneNumber));
}
this.AddClaims(claims);
var identities = new IClaimsIdentity[] { this };
if (otherIdentities != null)
{
identities = identities.Union(otherIdentities).ToArray();
}
// TODO: Demographic data for the user
var retVal = new SanteDBClaimsPrincipal(
identities
);
s_traceSource.TraceInfo("Created security principal from identity {0} > {1}", this, AdoClaimsIdentity.PrincipalToString(retVal));
return(retVal);
}
catch (Exception e)
{
s_traceSource.TraceEvent(EventLevel.Error, e.ToString());
throw new Exception("Creating principal from identity failed", e);
}
}