public void SaslPrepStored_throws_argument_exception_with_RandALCat_and_LCat_characters()
{
var exception = Record.Exception(() => SaslPrepHelper.SaslPrepStored("\u0627\u0041\u0627"));
exception.Should().BeOfType <ArgumentException>();
exception.Message.Should().Be("Contains both RandALCat characters and LCat characters");
}
public void SaslPrepStored_throws_exception_when_passed_an_undefined_codepoint()
{
var strWithUnassignedCodepoint = $"abc{char.ConvertFromUtf32(_unassignedCodePoint.Value)}";
var exception = Record.Exception(() => SaslPrepHelper.SaslPrepStored(strWithUnassignedCodepoint));
exception.Should().BeOfType <ArgumentException>();
exception.Message.Should().Be("Character at position 3 is unassigned");
}
/// <summary>
/// Initializes a new instance of the <see cref="UsernamePasswordCredential"/> class.
/// Less secure when used in conjunction with SCRAM-SHA-256, due to the need to store the password in a managed
/// string in order to SaslPrep it.
/// See <a href="https://github.com/mongodb/specifications/blob/master/source/auth/auth.rst#scram-sha-256">Driver Authentication: SCRAM-SHA-256</a>
/// for additional details.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="username">The username.</param>
/// <param name="password">The password.</param>
public UsernamePasswordCredential(string source, string username, SecureString password)
{
_source = Ensure.IsNotNullOrEmpty(source, nameof(source));
_username = Ensure.IsNotNullOrEmpty(username, nameof(username));
_password = Ensure.IsNotNull(password, nameof(password));
// defer computing the saslPreppedPassword until we need to since this will leak the password into managed
// memory
_saslPreppedPassword = new Lazy <SecureString>(
() => ConvertPasswordToSecureString(SaslPrepHelper.SaslPrepStored(GetInsecurePassword())));
}
// constructors
/// <summary>
/// Initializes a new instance of the <see cref="UsernamePasswordCredential"/> class.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="username">The username.</param>
/// <param name="password">The password.</param>
public UsernamePasswordCredential(string source, string username, string password)
: this(source, username, ConvertPasswordToSecureString(password))
{
// Compute saslPreppedPassword immediately and store it securely while the password is already in
// managed memory. We don't create a closure over the password so that it will hopefully get
// garbage-collected sooner rather than later.
var saslPreppedPassword = ConvertPasswordToSecureString(SaslPrepHelper.SaslPrepStored(password));
_saslPreppedPassword = new Lazy <SecureString>(() => saslPreppedPassword);
}
public void SaslPrep_throws_argument_exception_when_passed_Rfc4013_examples(string expectedError, string input)
{
var exception = Record.Exception(() => SaslPrepHelper.SaslPrepStored(input));
exception.Should().BeOfType <ArgumentException>().Subject.Message.Should().Be(expectedError);
}
public void SaslPrepStored_returns_expected_output_when_passed_Rfc4013_examples(string expected, string input)
{
SaslPrepHelper.SaslPrepStored(input).Should().Be(expected);
}
[InlineData("IV", "I\u00ADV")] // "IV", "I-V"
public void SaslPrepStored_returns_expected_output_when_passed_partially_SaslPrepped_strings(
string expected,
string partiallyPreppedStr)
{
SaslPrepHelper.SaslPrepStored(partiallyPreppedStr).Should().Be(expected);
}
[InlineData("IV", "\u2163")] // "IV", Roman numeral four
public void SaslPrepStored_returns_expected_output_when_passed_nonNormalized_strings(
string expected,
string nonNormalizedStr)
{
SaslPrepHelper.SaslPrepStored(nonNormalizedStr).Should().Be(expected);
}
public void SaslPrepStored_maps_space_equivalents_to_space(string expected, string input)
{
SaslPrepHelper.SaslPrepStored(input).Should().Be(expected);
}
public void SaslPrepStored_accepts_RandALCat_Characters_in_first_and_last_position()
{
SaslPrepHelper.SaslPrepStored("\u0627\u0031\u0627").Should().Be("\u0627\u0031\u0627");
}
public void SaslPrepQuery_accepts_undefined_codepoint()
{
var strWithUnassignedCodepoint = $"abc{char.ConvertFromUtf32(_unassignedCodePoint.Value)}";
SaslPrepHelper.SaslPrepQuery(strWithUnassignedCodepoint).Should().Be(strWithUnassignedCodepoint);
}
