/// <summary>
/// Gets the DateTime using the number of seconds from 1970-01-01T0:0:0Z (UTC)
/// </summary>
/// <param name="key">Claim in the payload that should map to an integer.</param>
/// <remarks>If the claim is not found, the function returns: DateTime.MinValue
/// </remarks>
/// <exception cref="SecurityTokenException">if an overflow exception is thrown by the runtime.</exception>
/// <returns>the DateTime representation of a claim.</returns>
private DateTime GetDateTime(string key)
{
object dateValue;
if (!TryGetValue(key, out dateValue))
{
return(DateTime.MinValue);
}
// if there are multiple dates, take the first one.
try
{
long secondsAfterBaseTime;
IList <object> dateValues = dateValue as IList <object>;
if (dateValues != null)
{
if (dateValues.Count == 0)
{
return(DateTime.MinValue);
}
else
{
dateValue = dateValues[0];
}
}
// null converts to 0.
secondsAfterBaseTime = Convert.ToInt64(dateValue, CultureInfo.InvariantCulture);
return(EpochTime.DateTime(secondsAfterBaseTime));
}
catch (Exception ex)
{
if (ex is FormatException || ex is ArgumentException || ex is InvalidCastException)
{
throw new SecurityTokenException(string.Format(CultureInfo.InvariantCulture, ErrorMessages.IDX10700, key, dateValue ?? "<null>", ex));
}
if (ex is OverflowException)
{
throw new SecurityTokenException(string.Format(CultureInfo.InvariantCulture, ErrorMessages.IDX10701, key, dateValue ?? "<null>", ex));
}
throw;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="JwtPayload"/> class with claims added for each parameter specified. Default string comparer <see cref="StringComparer.Ordinal"/>.
/// </summary>
/// <param name="issuer">if this value is not null, a { iss, 'issuer' } claim will be added.</param>
/// <param name="audience">if this value is not null, a { aud, 'audience' } claim will be added</param>
/// <param name="claims">if this value is not null then for each <see cref="Claim"/> a { 'Claim.Type', 'Claim.Value' } is added. If duplicate claims are found then a { 'Claim.Type', List<object> } will be created to contain the duplicate values.</param>
/// <param name="notBefore">if notbefore.HasValue is 'true' a { nbf, 'value' } claim is added.</param>
/// <param name="expires">if expires.HasValue is 'true' a { exp, 'value' } claim is added.</param>
/// <remarks>Comparison is set to <see cref="StringComparer.Ordinal"/>
/// <para>The 4 parameters: 'issuer', 'audience', 'notBefore', 'expires' take precednece over <see cref="Claim"/>(s) in 'claims'. The values in 'claims' will be overridden.</para></remarks>
/// <exception cref="ArgumentException">if 'expires' <= 'notbefore'.</exception>
public JwtPayload(string issuer, string audience, IEnumerable <Claim> claims, DateTime?notBefore, DateTime?expires)
: base(StringComparer.Ordinal)
{
if (expires.HasValue && notBefore.HasValue)
{
if (notBefore >= expires)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, ErrorMessages.IDX10401, expires.Value, notBefore.Value));
}
}
if (claims != null)
{
this.AddClaims(claims);
}
if (!string.IsNullOrWhiteSpace(issuer))
{
this[JwtRegisteredClaimNames.Iss] = issuer;
}
if (!string.IsNullOrWhiteSpace(audience))
{
this[JwtRegisteredClaimNames.Aud] = audience;
}
if (expires.HasValue)
{
this[JwtRegisteredClaimNames.Exp] = EpochTime.GetIntDate(expires.Value.ToUniversalTime());
}
if (notBefore.HasValue)
{
this[JwtRegisteredClaimNames.Nbf] = EpochTime.GetIntDate(notBefore.Value.ToUniversalTime());
}
}
