Authorization Code Management for Static Applications
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Solution Overview
Problem
Conventional systems fail to support dynamic authorization endpoints for multi-tenant applications, requiring modifications to standard libraries to acquire access tokens, which limits the use of standardized OAuth 2.0 libraries and SDKs.
Innovation Solution
The solution involves requesting authorization using tenant-specific endpoints to obtain both the authorization code and access token, allowing multi-tenant applications to use standard OAuth 2.0 libraries and SDKs by hardcoding the application's tenant-specific endpoint, and utilizing self-encoded signed tokens for authentication across disparate data centers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional systems use unique endpoints for every tenant across a marketing cloud, then multi-tenant applications can be supported, but standard OAuth 2.0 libraries cannot be used because they expect static endpoints
Solution Approach 1:
The system introduces an intermediary authorization service that mediates between the static endpoint expected by standard OAuth libraries and the dynamic tenant-specific endpoints required for multi-tenant support. This intermediary receives authorization requests from applications using standard libraries, resolves the appropriate tenant-specific endpoint dynamically, and completes the authorization flow, thereby enabling standard libraries to work with multi-tenant architectures without modification.
Solution Approach 2:
The authorization endpoint is segmented into a static base component (used by standard libraries) and a dynamic tenant-specific component (resolved at runtime). The system separates the authorization request handling into stages: the standard library communicates with a static endpoint, while the system dynamically segments and routes to the appropriate tenant-specific authorization endpoint based on the request context.
2Adaptability or versatility
If standard libraries are modified to support dynamic authorization endpoints, then multi-tenant applications can function, but the libraries lose their standardization and require custom modifications
Solution Approach 1:
Rather than modifying standard libraries, the system introduces an intermediary authorization service that handles dynamic endpoint resolution. This intermediary sits between the unmodified standard library and the multi-tenant system, translating standard authorization requests into tenant-specific requests without requiring any changes to the library code, thereby maintaining standardization while enabling dynamic endpoint support.
Solution Approach 2:
Instead of modifying the library to adapt to dynamic endpoints, the system inverts the approach by making the endpoint static in the library and dynamically resolving the actual tenant-specific endpoint on the server side through the intermediary authorization service.
3Reliability
If real-time authentication replication is implemented across data centers, then authentication consistency is improved, but system complexity and latency increase
Solution Approach 1:
The system performs preliminary authentication by obtaining the authorization code and access token from the tenant-specific authorization endpoint before the application needs to use them. The authenticated session and necessary credentials are pre-established and stored, eliminating the need for real-time authentication replication during subsequent operations, thereby reducing system complexity and latency while maintaining authentication consistency.
Solution Approach 2:
Instead of implementing complex real-time authentication replication across data centers, the system creates a copy of the authenticated session and access tokens locally after initial authentication. This allows the application to use cached authentication credentials without requiring real-time communication with the authentication server, reducing complexity and latency while maintaining reliability.
Data Source
AI summary
Among other things, embodiments of the present disclosure are directed to providing authorization code management for published static applications. Other embodiments may be described and/or claimed.