Adding pseudonym to wador views

[chinacat567]

Background

• In order to pseudonymize on ADIT client, a custom GET parameter was required to the dicomweb resut
• These were added to dicomweb-client earlier

Description

• Parse the additional parameter in the GET request in dicomweb/view.py
• Validate the pseudonym (no backslashes, control chars, wildcards and <= 64 chars)
• Pass this along to wadors_utils
• Perform pseudonymization

Testing

• Added tests for retrieve_study, retrieve_study_metadata , retrieve_series, retrieve_series_metadata, retrieve_image, retrieve_image_metadata to check for the pseudonymization