/// <string>Replaces the content of a UID with a random one</string>
/// <param name="dataset">Reference to the dataset</param>
/// <param name="item"></param>
private void ReplaceUID(DicomDataset dataset, DicomItem item)
{
if (!(item is DicomElement))
{
return;
}
string rep;
DicomUID uid;
var old = ((DicomElement)item).Get <string>();
if (ReplacedUIDs.ContainsKey(old))
{
rep = ReplacedUIDs[old];
uid = new DicomUID(rep, "Anonymized UID", DicomUidType.Unknown);
}
else
{
uid = DicomUIDGenerator.GenerateDerivedFromUUID();
rep = uid.UID;
ReplacedUIDs[old] = rep;
}
var newItem = new DicomUniqueIdentifier(item.Tag, uid);
dataset.AddOrUpdate(newItem);
}
/// <summary>
/// Example *required* by the Anonymisation Engine
/// </summary>
/// <returns></returns>
public static List <AnonExample> LongHashIDExamples()
{
var output1 = new AnonExample();
var value = "1.2.34567";
var item = new DicomUniqueIdentifier(DicomTag.ConcatenationUID, value);
output1.Input.Add(item + ": " + value);
AnonExample.InferOutput(
item,
LongHashID(null, null, item),
output1);
var output2 = new AnonExample();
value = string.Empty;
item = new DicomUniqueIdentifier(DicomTag.ConcatenationUID, value);
output2.Input.Add(item + ": " + "<empty>");
AnonExample.InferOutput(
item,
LongHashID(null, null, item),
output2);
return(new List <AnonExample> {
output1, output2
});
}
public void DicomUniqueIdentifier_UidNotTransferSyntax_Throws(DicomUID uid)
{
var tag = DicomTag.EncryptedContentTransferSyntaxUID;
var ui = new DicomUniqueIdentifier(tag, uid);
var exception = Record.Exception(() => ui.Get <DicomTransferSyntax>(0));
Assert.IsType <DicomDataException>(exception);
}
public void DicomUniqueIdentifier_GetKnownTransferSyntax_ReturnsFullField(DicomUID uid, DicomTransferSyntax expected)
{
var tag = DicomTag.ReferencedTransferSyntaxUIDInFile;
var ui = new DicomUniqueIdentifier(tag, uid);
var actual = ui.Get <DicomTransferSyntax>(0);
Assert.Equal(expected.UID, actual.UID);
Assert.Equal(expected.Endian, actual.Endian);
Assert.Equal(expected.LossyCompressionMethod, actual.LossyCompressionMethod);
}
public void DicomUniqueIdentifier_UidTransferSyntax_DoesNotThrow(DicomUID expected)
{
var tag = DicomTag.EncryptedContentTransferSyntaxUID;
var ui = new DicomUniqueIdentifier(tag, expected);
DicomUID actual = null;
var exception = Record.Exception(() => actual = ui.Get <DicomTransferSyntax>(0).UID);
Assert.Null(exception);
Assert.Equal(expected, actual);
}
public void OnElement(IByteSource source, DicomTag tag, DicomVR vr, IByteBuffer data) {
DicomElement element;
switch (vr.Code) {
case "AE": element = new DicomApplicationEntity(tag, data); break;
case "AS": element = new DicomAgeString(tag, data); break;
case "AT": element = new DicomAttributeTag(tag, data); break;
case "CS": element = new DicomCodeString(tag, data); break;
case "DA": element = new DicomDate(tag, data); break;
case "DS": element = new DicomDecimalString(tag, data); break;
case "DT": element = new DicomDateTime(tag, data); break;
case "FD": element = new DicomFloatingPointDouble(tag, data); break;
case "FL": element = new DicomFloatingPointSingle(tag, data); break;
case "IS": element = new DicomIntegerString(tag, data); break;
case "LO": element = new DicomLongString(tag, _encodings.Peek(), data); break;
case "LT": element = new DicomLongText(tag, _encodings.Peek(), data); break;
case "OB": element = new DicomOtherByte(tag, data); break;
case "OD": element = new DicomOtherDouble(tag, data); break;
case "OF": element = new DicomOtherFloat(tag, data); break;
case "OW": element = new DicomOtherWord(tag, data); break;
case "PN": element = new DicomPersonName(tag, _encodings.Peek(), data); break;
case "SH": element = new DicomShortString(tag, _encodings.Peek(), data); break;
case "SL": element = new DicomSignedLong(tag, data); break;
case "SS": element = new DicomSignedShort(tag, data); break;
case "ST": element = new DicomShortText(tag, _encodings.Peek(), data); break;
case "TM": element = new DicomTime(tag, data); break;
case "UC": element = new DicomUnlimitedCharacters(tag, _encodings.Peek(), data); break;
case "UI": element = new DicomUniqueIdentifier(tag, data); break;
case "UL": element = new DicomUnsignedLong(tag, data); break;
case "UN": element = new DicomUnknown(tag, data); break;
case "UR": element = new DicomUniversalResource(tag, _encodings.Peek(), data); break;
case "US": element = new DicomUnsignedShort(tag, data); break;
case "UT": element = new DicomUnlimitedText(tag, _encodings.Peek(), data); break;
default:
throw new DicomDataException("Unhandled VR in DICOM parser observer: {0}", vr.Code);
}
if (element.Tag == DicomTag.SpecificCharacterSet) {
Encoding encoding = _encodings.Peek();
if (element.Count > 0)
encoding = DicomEncoding.GetEncoding(element.Get<string>(0));
_encodings.Pop();
_encodings.Push(encoding);
}
DicomDataset ds = _datasets.Peek();
ds.Add(element);
}
public void Process(DicomDataset dicomDataset, DicomItem item, ProcessContext context = null)
{
EnsureArg.IsNotNull(dicomDataset, nameof(dicomDataset));
EnsureArg.IsNotNull(item, nameof(item));
if (item.ValueRepresentation == DicomVR.UI)
{
var oldUIDValue = ((DicomElement)item).Get <string>();
DicomUID newUID = ReplacedUIDs.GetOrAdd(oldUIDValue, DicomUIDGenerator.GenerateDerivedFromUUID());
var newItem = new DicomUniqueIdentifier(item.Tag, newUID);
dicomDataset.AddOrUpdate(newItem);
_logger.LogDebug($"The UID value of DICOM item '{item}' is refreshed.");
}
else
{
throw new AnonymizerOperationException(DicomAnonymizationErrorCode.UnsupportedAnonymizationMethod, $"RefreshUID is not supported for {item.ValueRepresentation}.");
}
}
private static DicomItem CreateDicomItem(DicomTag tag, string vr, object data)
{
DicomItem item;
switch (vr)
{
case "AE":
item = new DicomApplicationEntity(tag, (string[])data);
break;
case "AS":
item = new DicomAgeString(tag, (string[])data);
break;
case "AT":
item = new DicomAttributeTag(tag, ((string[])data).Select(ParseTag).ToArray());
break;
case "CS":
item = new DicomCodeString(tag, (string[])data);
break;
case "DA":
item = new DicomDate(tag, (string[])data);
break;
case "DS":
item = new DicomDecimalString(tag, (string[])data);
break;
case "DT":
item = new DicomDateTime(tag, (string[])data);
break;
case "FD":
item = new DicomFloatingPointDouble(tag, (double[])data);
break;
case "FL":
item = new DicomFloatingPointSingle(tag, (float[])data);
break;
case "IS":
item = new DicomIntegerString(tag, (int[])data);
break;
case "LO":
item = new DicomLongString(tag, (string[])data);
break;
case "LT":
item = new DicomLongText(tag, ((string[])data).Single());
break;
case "OB":
item = new DicomOtherByte(tag, (IByteBuffer)data);
break;
case "OD":
item = new DicomOtherDouble(tag, (IByteBuffer)data);
break;
case "OF":
item = new DicomOtherFloat(tag, (IByteBuffer)data);
break;
case "OL":
item = new DicomOtherLong(tag, (IByteBuffer)data);
break;
case "OW":
item = new DicomOtherWord(tag, (IByteBuffer)data);
break;
case "PN":
item = new DicomPersonName(tag, (string[])data);
break;
case "SH":
item = new DicomShortString(tag, (string[])data);
break;
case "SL":
item = new DicomSignedLong(tag, (int[])data);
break;
case "SS":
item = new DicomSignedShort(tag, (short[])data);
break;
case "ST":
item = new DicomShortText(tag, ((string[])data)[0]);
break;
case "SQ":
item = new DicomSequence(tag, ((DicomDataset[])data));
break;
case "TM":
item = new DicomTime(tag, (string[])data);
break;
case "UC":
item = new DicomUnlimitedCharacters(tag, ((string[])data).SingleOrDefault());
break;
case "UI":
item = new DicomUniqueIdentifier(tag, (string[])data);
break;
case "UL":
item = new DicomUnsignedLong(tag, (uint[])data);
break;
case "UN":
item = new DicomUnknown(tag, (IByteBuffer)data);
break;
case "UR":
item = new DicomUniversalResource(tag, ((string[])data).Single());
break;
case "US":
item = new DicomUnsignedShort(tag, (ushort[])data);
break;
case "UT":
item = new DicomUnlimitedText(tag, ((string[])data).Single());
break;
default:
throw new NotSupportedException("Unsupported value representation");
}
return(item);
}
[InlineData("0123456789012345678901234567890123456789012345678901234567890123456789")] // value is too long
public void GivenInvalidUidWhenValidating_ThenShouldThrow(string value)
{
DicomElement element = new DicomUniqueIdentifier(DicomTag.DigitalSignatureUID, value);
Assert.Throws <InvalidIdentifierException>(() => new UidValidation().Validate(element));
}
public void GivenValidateUid_WhenValidating_ThenShouldPass(string value)
{
DicomElement element = new DicomUniqueIdentifier(DicomTag.DigitalSignatureUID, value);
new UidValidation().Validate(element);
}
public void OnElement(IByteSource source, DicomTag tag, DicomVR vr, IByteBuffer data)
{
DicomElement element;
switch (vr.Code)
{
case "AE":
element = new DicomApplicationEntity(tag, data);
break;
case "AS":
element = new DicomAgeString(tag, data);
break;
case "AT":
element = new DicomAttributeTag(tag, data);
break;
case "CS":
element = new DicomCodeString(tag, data);
break;
case "DA":
element = new DicomDate(tag, data);
break;
case "DS":
element = new DicomDecimalString(tag, data);
break;
case "DT":
element = new DicomDateTime(tag, data);
break;
case "FD":
element = new DicomFloatingPointDouble(tag, data);
break;
case "FL":
element = new DicomFloatingPointSingle(tag, data);
break;
case "IS":
element = new DicomIntegerString(tag, data);
break;
case "LO":
element = new DicomLongString(tag, _encodings.Peek(), data);
break;
case "LT":
element = new DicomLongText(tag, _encodings.Peek(), data);
break;
case "OB":
element = new DicomOtherByte(tag, data);
break;
case "OD":
element = new DicomOtherDouble(tag, data);
break;
case "OF":
element = new DicomOtherFloat(tag, data);
break;
case "OL":
element = new DicomOtherLong(tag, data);
break;
case "OW":
element = new DicomOtherWord(tag, data);
break;
case "PN":
element = new DicomPersonName(tag, _encodings.Peek(), data);
break;
case "SH":
element = new DicomShortString(tag, _encodings.Peek(), data);
break;
case "SL":
element = new DicomSignedLong(tag, data);
break;
case "SS":
element = new DicomSignedShort(tag, data);
break;
case "ST":
element = new DicomShortText(tag, _encodings.Peek(), data);
break;
case "TM":
element = new DicomTime(tag, data);
break;
case "UC":
element = new DicomUnlimitedCharacters(tag, _encodings.Peek(), data);
break;
case "UI":
element = new DicomUniqueIdentifier(tag, data);
break;
case "UL":
element = new DicomUnsignedLong(tag, data);
break;
case "UN":
element = new DicomUnknown(tag, data);
break;
case "UR":
element = new DicomUniversalResource(tag, _encodings.Peek(), data);
break;
case "US":
element = new DicomUnsignedShort(tag, data);
break;
case "UT":
element = new DicomUnlimitedText(tag, _encodings.Peek(), data);
break;
default:
throw new DicomDataException("Unhandled VR in DICOM parser observer: {0}", vr.Code);
}
if (element.Tag == DicomTag.SpecificCharacterSet)
{
Encoding encoding = _encodings.Peek();
if (element.Count > 0)
{
encoding = DicomEncoding.GetEncoding(element.Get <string>(0));
}
_encodings.Pop();
_encodings.Push(encoding);
}
DicomDataset ds = _datasets.Peek();
ds.AddOrUpdate(element);
}
private static DicomItem CreateDicomItem(DicomTag tag, BsonValue data, DicomVR vr = null)
{
// Ok to throw an exception here - we should always be writing the VR into the Bson document if it's ambiguous
if (vr == null)
{
vr = tag.DictionaryEntry.ValueRepresentations.Single();
}
DicomItem item;
switch (vr.Code)
{
case "AE":
item = new DicomApplicationEntity(tag, GetString(data));
break;
case "AS":
item = new DicomAgeString(tag, GetString(data));
break;
case "AT":
item = ParseAttributeTag(tag, data);
break;
case "CS":
item = new DicomCodeString(tag, GetString(data));
break;
case "DA":
item = new DicomDate(tag, GetString(data));
break;
case "DS":
item = new DicomDecimalString(tag, GetString(data));
break;
case "DT":
item = new DicomDateTime(tag, GetString(data));
break;
case "FD":
item = new DicomFloatingPointDouble(tag, (double[])GetTypedArray <double>(data));
break;
case "FL":
item = new DicomFloatingPointSingle(tag, (float[])GetTypedArray <float>(data));
break;
case "IS":
item = new DicomIntegerString(tag, GetString(data));
break;
case "LO":
item = new DicomLongString(tag, Encoding.UTF8, GetString(data));
break;
case "LT":
item = new DicomLongText(tag, Encoding.UTF8, GetString(data));
break;
case "OB":
item = data.IsBsonNull
? new DicomOtherByte(tag)
: new DicomOtherByte(tag, data.AsByteArray);
break;
case "OD":
item = new DicomOtherDouble(tag, (double[])GetTypedArray <double>(data));
break;
case "OF":
item = new DicomOtherFloat(tag, (float[])GetTypedArray <float>(data));
break;
case "OL":
item = new DicomOtherLong(tag, (uint[])GetTypedArray <uint>(data));
break;
case "OW":
item = data.IsBsonNull
? new DicomOtherWord(tag)
: new DicomOtherWord(tag, (ushort[])GetTypedArray <ushort>(data));
break;
case "PN":
item = new DicomPersonName(tag, Encoding.UTF8, GetString(data));
break;
case "SH":
item = new DicomShortString(tag, Encoding.UTF8, GetString(data));
break;
case "SL":
item = new DicomSignedLong(tag, (int[])GetTypedArray <int>(data));
break;
case "SS":
item = new DicomSignedShort(tag, (short[])GetTypedArray <short>(data));
break;
case "ST":
item = new DicomShortText(tag, Encoding.UTF8, GetString(data));
break;
case "SQ":
item = GetDicomSequence(tag, data);
break;
case "TM":
item = new DicomTime(tag, GetString(data));
break;
case "UC":
item = new DicomUnlimitedCharacters(tag, Encoding.UTF8, GetString(data));
break;
case "UI":
item = new DicomUniqueIdentifier(tag, GetString(data));
break;
case "UL":
item = new DicomUnsignedLong(tag, (uint[])GetTypedArray <uint>(data));
break;
case "UN":
item = data.IsBsonNull
? new DicomUnknown(tag)
: new DicomUnknown(tag, (byte[])GetTypedArray <byte>(data));
break;
case "UR":
item = new DicomUniversalResource(tag, Encoding.UTF8, GetString(data));
break;
case "US":
item = new DicomUnsignedShort(tag, (ushort[])GetTypedArray <ushort>(data));
break;
case "UT":
item = new DicomUnlimitedText(tag, Encoding.UTF8, GetString(data));
break;
default:
throw new NotSupportedException($"Unsupported value representation {vr}");
}
return(item);
}
private static DicomItem CreateDicomItem(DicomTag tag, string vr, object data)
{
DicomItem item;
switch (vr)
{
case "AE":
item = new DicomApplicationEntity(tag, (string[])data);
break;
case "AS":
item = new DicomAgeString(tag, (string[])data);
break;
case "AT":
item = new DicomAttributeTag(tag, ((string[])data).Select(ParseTag).ToArray());
break;
case "CS":
item = new DicomCodeString(tag, (string[])data);
break;
case "DA":
item = new DicomDate(tag, (string[])data);
break;
case "DS":
if (data is IByteBuffer dataBufferDS)
{
item = new DicomDecimalString(tag, dataBufferDS);
}
else if (data is decimal[] dataAsNumbers)
{
item = new DicomDecimalString(tag, dataAsNumbers);
}
else
{
item = new DicomDecimalString(tag, (string[])data);
}
break;
case "DT":
item = new DicomDateTime(tag, (string[])data);
break;
case "FD":
if (data is IByteBuffer dataBufferFD)
{
item = new DicomFloatingPointDouble(tag, dataBufferFD);
}
else
{
item = new DicomFloatingPointDouble(tag, (double[])data);
}
break;
case "FL":
if (data is IByteBuffer dataBufferFL)
{
item = new DicomFloatingPointSingle(tag, dataBufferFL);
}
else
{
item = new DicomFloatingPointSingle(tag, (float[])data);
}
break;
case "IS":
if (data is IByteBuffer dataBufferIS)
{
item = new DicomIntegerString(tag, dataBufferIS);
}
else if (data is string[] dataAsStrings)
{
item = new DicomIntegerString(tag, dataAsStrings);
}
else
{
item = new DicomIntegerString(tag, (int[])data);
}
break;
case "LO":
item = new DicomLongString(tag, (string[])data);
break;
case "LT":
if (data is IByteBuffer dataBufferLT)
{
item = new DicomLongText(tag, _jsonTextEncodings, dataBufferLT);
}
else
{
item = new DicomLongText(tag, data.AsStringArray().SingleOrEmpty());
}
break;
case "OB":
item = new DicomOtherByte(tag, (IByteBuffer)data);
break;
case "OD":
item = new DicomOtherDouble(tag, (IByteBuffer)data);
break;
case "OF":
item = new DicomOtherFloat(tag, (IByteBuffer)data);
break;
case "OL":
item = new DicomOtherLong(tag, (IByteBuffer)data);
break;
case "OW":
item = new DicomOtherWord(tag, (IByteBuffer)data);
break;
case "OV":
item = new DicomOtherVeryLong(tag, (IByteBuffer)data);
break;
case "PN":
item = new DicomPersonName(tag, (string[])data);
break;
case "SH":
item = new DicomShortString(tag, (string[])data);
break;
case "SL":
if (data is IByteBuffer dataBufferSL)
{
item = new DicomSignedLong(tag, dataBufferSL);
}
else
{
item = new DicomSignedLong(tag, (int[])data);
}
break;
case "SQ":
item = new DicomSequence(tag, ((DicomDataset[])data));
break;
case "SS":
if (data is IByteBuffer dataBufferSS)
{
item = new DicomSignedShort(tag, dataBufferSS);
}
else
{
item = new DicomSignedShort(tag, (short[])data);
}
break;
case "ST":
if (data is IByteBuffer dataBufferST)
{
item = new DicomShortText(tag, _jsonTextEncodings, dataBufferST);
}
else
{
item = new DicomShortText(tag, data.AsStringArray().FirstOrEmpty());
}
break;
case "SV":
if (data is IByteBuffer dataBufferSV)
{
item = new DicomSignedVeryLong(tag, dataBufferSV);
}
else if (data is string[] dataAsStrings)
{
var dataAsLongs = dataAsStrings.Select(s => long.Parse(s)).ToArray();
item = new DicomSignedVeryLong(tag, dataAsLongs);
}
else
{
item = new DicomSignedVeryLong(tag, (long[])data);
}
break;
case "TM":
item = new DicomTime(tag, (string[])data);
break;
case "UC":
if (data is IByteBuffer dataBufferUC)
{
item = new DicomUnlimitedCharacters(tag, _jsonTextEncodings, dataBufferUC);
}
else
{
item = new DicomUnlimitedCharacters(tag, data.AsStringArray().SingleOrDefault());
}
break;
case "UI":
item = new DicomUniqueIdentifier(tag, (string[])data);
break;
case "UL":
if (data is IByteBuffer dataBufferUL)
{
item = new DicomUnsignedLong(tag, dataBufferUL);
}
else
{
item = new DicomUnsignedLong(tag, (uint[])data);
}
break;
case "UN":
item = new DicomUnknown(tag, (IByteBuffer)data);
break;
case "UR":
item = new DicomUniversalResource(tag, data.AsStringArray().SingleOrEmpty());
break;
case "US":
if (data is IByteBuffer dataBufferUS)
{
item = new DicomUnsignedShort(tag, dataBufferUS);
}
else
{
item = new DicomUnsignedShort(tag, (ushort[])data);
}
break;
case "UT":
if (data is IByteBuffer dataBufferUT)
{
item = new DicomUnlimitedText(tag, _jsonTextEncodings, dataBufferUT);
}
else
{
item = new DicomUnlimitedText(tag, data.AsStringArray().SingleOrEmpty());
}
break;
case "UV":
if (data is IByteBuffer dataBufferUV)
{
item = new DicomUnsignedVeryLong(tag, dataBufferUV);
}
else if (data is string[] dataAsStrings)
{
var dataAsULongs = dataAsStrings.Select(s => ulong.Parse(s)).ToArray();
item = new DicomUnsignedVeryLong(tag, dataAsULongs);
}
else
{
item = new DicomUnsignedVeryLong(tag, (ulong[])data);
}
break;
default:
throw new NotSupportedException("Unsupported value representation");
}
return(item);
}
