public async Task WriteAsync(LDAPAttribute attr)
{
var attWriter = new LDAPWriter();
await attWriter.WriteAsync(attr.Description);
var valuesWriter = new LDAPWriter();
foreach (var value in attr.Values)
{
await valuesWriter.WriteAsync(value);
}
await attWriter.WriteAsync(valuesWriter, (int)EncodingType.SET);
await WriteAsync(attWriter);
}
/// <summary>
/// Copies the writer to this as a complex object
/// </summary>
/// <param name="writer">The writer to copy</param>
/// <param name="tag">The tag to use for the object</param>
/// <param name="scope">The scope to use for the object</param>
public async Task WriteAsync(LDAPWriter writer, int tag, EncodingScope scope)
{
await EncodeHeaderAsync(tag, scope, false);
// Get the underlying stream
var s = writer._target;
// Reset the stream if possible for copying
if (s.Position != 0 && s.CanSeek)
{
s.Seek(0, SeekOrigin.Begin);
}
else if (s.Length - s.Position <= 0)
{
throw new LDAPProtocolException("Stream has data that cannot be recovered");
}
// Write the number of bytes available in the stream
await EncodeLengthAsync((int)(s.Length - s.Position));
// Copy the streams
await s.CopyToAsync(_target);
}
public async Task WriteAsync(LDAPFilter filter)
{
switch (filter.FilterType)
{
case LDAPFilterType.Add:
case LDAPFilterType.Or:
case LDAPFilterType.Not:
var bWriter = new LDAPWriter();
foreach (var f in filter.Children)
{
await bWriter.WriteAsync(f);
}
await WriteAsync(bWriter, (int)filter.FilterType, EncodingScope.CONTEXT_SPECIFIC);
break;
case LDAPFilterType.Substring:
var subWriter = new LDAPWriter();
await subWriter.WriteAsync(filter.Description);
var subSequenceWriter = new LDAPWriter();
foreach (var sub in filter.Substrings)
{
await subSequenceWriter.WriteAsync(sub.Value, (int)sub.SubstringType, EncodingScope.CONTEXT_SPECIFIC);
}
await subWriter.WriteAsync(subSequenceWriter);
await WriteAsync(subWriter, (int)filter.FilterType, EncodingScope.CONTEXT_SPECIFIC);
break;
case LDAPFilterType.EqualityMatch:
case LDAPFilterType.GreaterOrEqual:
case LDAPFilterType.LessOrEqual:
case LDAPFilterType.ApproximateMatch:
var valWriter = new LDAPWriter();
await valWriter.WriteAsync(filter.Description);
await valWriter.WriteAsync(filter.Value);
await WriteAsync(valWriter, (int)filter.FilterType, EncodingScope.CONTEXT_SPECIFIC);
break;
case LDAPFilterType.Present:
var desc = string.IsNullOrEmpty(filter.Value) ? filter.Description : "{0}={1}".ToFormat(filter.Description, filter.Value);
await WriteAsync(desc, (int)filter.FilterType, EncodingScope.CONTEXT_SPECIFIC);
break;
case LDAPFilterType.ExtensibleMatch:
var eWriter = new LDAPWriter();
if (!string.IsNullOrEmpty(filter.MatchingRule))
{
await eWriter.WriteAsync(filter.MatchingRule, 1, EncodingScope.CONTEXT_SPECIFIC);
}
if (!string.IsNullOrEmpty(filter.Description))
{
await eWriter.WriteAsync(filter.Description, 2, EncodingScope.CONTEXT_SPECIFIC);
}
await eWriter.WriteAsync(filter.Value, 3, EncodingScope.CONTEXT_SPECIFIC);
await eWriter.WriteAsync(filter.AllAttributes, 4, EncodingScope.CONTEXT_SPECIFIC);
await WriteAsync(eWriter, (int)filter.FilterType, EncodingScope.CONTEXT_SPECIFIC);
break;
default:
throw new LDAPProtocolException("Unsupported filter type: {0}".ToFormat(filter.FilterType));
}
}
/// <summary> /// Copies the writer to this as a complex object /// </summary> /// <param name="writer">The writer to copy</param> /// <param name="tag">The tag to use for the object</param> public async Task WriteAsync(LDAPWriter writer, int tag) => await WriteAsync(writer, tag, EncodingScope.UNIVERSAL);
/// <summary> /// Copies the writer to this as a complex object /// </summary> /// <param name="writer">The writer to copy</param> public async Task WriteAsync(LDAPWriter writer) => await WriteAsync(writer, (int)EncodingType.SEQUENCE);
