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Anonymization Pipeline

Overview​

DocuDesk provides a 4-step document anonymization pipeline for GDPR-compliant processing. Files are uploaded to a per-user DocuDesk folder, analyzed for personally identifiable information (PII), and anonymized by replacing detected entities with placeholders. All processing runs 100% locally.

Pipeline Steps​

  1. Upload: Drag-and-drop or select a file to upload to your DocuDesk/ folder
  2. Analyze: Extract text and detect entities (persons, organizations, locations, etc.)
  3. Anonymize: Review detected entities and anonymize the document
  4. Done: Download the anonymized document

Screenshot​

Anonymization Pipeline

API Endpoints​

MethodURLDescription
GET/api/anonymization/filesList processed files with entity counts
POST/api/anonymization/uploadUpload file (multipart form data)
POST/api/anonymization/extract/{fileId}Extract text and detect entities
POST/api/anonymization/anonymize/{fileId}Anonymize document

Technical Details​

  • Files stored in Nextcloud filesystem under user's DocuDesk/ folder
  • Entity detection via OpenRegister's TextExtractionService (Presidio/OpenAnonymiser)
  • Anonymization via OpenRegister's FileService
  • Duplicate file names handled with counter suffix (e.g., report_1.pdf)