The challenge
Enterprise applications needed document workflows with granular access control. The architecture had to preserve business-entity boundaries while supporting shared platform services.
A shared platform for enterprise documents
The engagement covered architecture and delivery of a secure document and digital-asset platform on Azure. It integrated with enterprise applications and supported content workflows with auditability and compliance controls.
The platform was designed as independently scalable services. Document APIs and metadata services had distinct responsibilities, alongside identity, administration, tenant management, and content processing.
Authorization at the business-entity boundary
The security model combined Microsoft Entra ID with JWT-based identity and permission claims. Azure RBAC and managed identities supported service access, while entity-level authorization isolated document access across business entities.
Authentication and authorization were deliberately separate responsibilities. Identifying a caller was one step. Determining which entity and document that caller could access was another.
Separate metadata from document storage
Document ingestion and retrieval spanned APIs, ADLS Gen2, and SQL metadata stores. Audit services recorded platform activity, and short-lived secure access tokens supported controlled document access.
Private connectivity linked platform components. The architecture separated binary storage from metadata so that content handling and access decisions remained explicit parts of the service design.
An architecture path toward AI-assisted content use
The architecture was extended toward an AI-enabled asset lifecycle, including document classification and metadata extraction. Semantic search and compliance validation were also part of that architectural direction.
Those extensions describe the platform roadmap. They are distinct from the delivered document foundation and are not presented here as independently measured production outcomes.
Key design decisions
Do not equate authentication with document permission
The architecture kept caller identity separate from the authorization decision. Entity-level controls isolated document access across business entities even within the shared platform.
Separate metadata from binary storage
SQL metadata stores and ADLS Gen2 served different responsibilities. Document APIs connected the content workflow to those responsibilities instead of making storage location the sole access decision.
Keep the service boundaries explicit
Document operations, identity, and content processing were independently scalable services. Administration, analytics, and tenant management were also represented in the platform design.
How the workflow fits together
- 01
An application requests a document operation
The enterprise application enters through the document API responsibilities for ingestion or retrieval.
- 02
Identity and entity scope are evaluated
Entra ID and JWT claims establish identity context. Entity-level authorization determines the permitted document scope.
- 03
The platform uses the appropriate data service
Metadata services work with SQL stores, while the document-storage responsibility uses ADLS Gen2. Short-lived secure access tokens form part of controlled access.
- 04
The operation remains auditable
Audit services provide the traceability needed for document workflows and platform administration.
Questions for a similar implementation
Use these review points when you assess this architecture for your own environment.
- Can an authenticated caller access a document belonging to a different business entity?
- Are metadata permissions and binary-access permissions consistent?
- What happens to access when a short-lived token expires?
The outcome
The delivered platform provided secure document workflows with granular authorization and auditability. Its service boundaries also provided a foundation for the next stage of the asset lifecycle.
- Microsoft Azure
- Microsoft Entra ID
- ADLS Gen2
- SQL metadata stores
- Azure RBAC
- Managed identities
Client and delivery-partner names are withheld.