/// <summary>
/// Sets custom sources for the CSP directive.
/// </summary>
/// <typeparam name="T">The type of the CSP directive configuration object.</typeparam>
/// <param name="directive">The CSP directive configuration object.</param>
/// <param name="sources">One or more custom sources.</param>
/// <returns>The CSP directive configuration object.</returns>
public static T CustomSources <T>(this T directive, params string[] sources) where T : class, ICspDirectiveBasicConfiguration
{
if (directive == null)
{
throw new ArgumentNullException(nameof(directive));
}
if (sources.Length == 0)
{
throw new ArgumentException("You must supply at least one source.", nameof(sources));
}
try
{
var type = typeof(T);
var enableHashes = type == typeof(ICspDirectiveConfiguration) || type == typeof(ICspDirectiveUnsafeInlineConfiguration);
directive.CustomSources = sources
.Select(s => (enableHashes ? CspHashSource.Parse(s) : null) ?? CspUriSource.Parse(s).ToString())
.ToArray();
}
catch (InvalidCspSourceException e)
{
throw new ArgumentException("Invalid source. Details: " + e.Message, nameof(sources), e);
}
return(directive);
}
public void Parse_ValidHashSource_ReturnsSource(string validHashSource)
{
var expectedSource = $"'{validHashSource}'";
var result = CspHashSource.Parse(validHashSource);
Assert.Equal(expectedSource, result);
}
public override void Validate(object value)
{
var source = (string)value;
if (String.IsNullOrEmpty(source))
{
return;
}
try
{
if (_expectHashSources && CspHashSource.Parse(source) != null)
{
return;
}
CspUriSource.Parse(source);
}
catch (Exception e)
{
throw new ConfigurationErrorsException("Invalid source " + source + ". Details: " + e.Message, e);
}
}
public void Parse_InValidBase64_ReturnsNull(string validHashSource)
{
var result = CspHashSource.Parse(validHashSource);
Assert.Null(result);
}