Image Processing Apparatus Alternative Account Authentication
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Solution Overview
Problem
OAuth authentication methods, which are more secure than conventional methods, face issues where email transmission is hindered due to token expiration, requiring reauthentication processing, leading to potential long-term failures in email transmission, especially when tokens are limited or expire across multiple devices.
Innovation Solution
An image processing apparatus and method that stores alternative accounts compatible with the same authentication method as the primary account, allowing seamless authentication processing when the primary account's token expires, thereby preventing email transmission failures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If OAuth authentication with token expiration is implemented for secure e-mail transmission, then security is improved, but e-mail transmission reliability deteriorates when tokens expire requiring reauthentication
Solution Approach 1:
The system performs preliminary actions by detecting token expiration before it causes transmission failure and proactively switching to alternative accounts. The controller monitors authentication status and executes account switching in advance to prevent the harmful effect of transmission interruption.
Solution Approach 2:
Alternative accounts serve as intermediaries between the expired primary account and the e-mail transmission function. When the primary account's token expires, the system uses alternative accounts as mediators to maintain continuous e-mail transmission capability without direct interruption.
2Reliability
If reauthentication processing is executed when token expires, then security is maintained, but e-mail transmission is interrupted causing loss of time
Solution Approach 1:
The system ensures continuity of useful action by maintaining e-mail transmission capability through alternative accounts during token expiration periods. The controller automatically switches accounts to keep the transmission function continuous without interruption, while security is maintained through the same authentication mechanism.
Solution Approach 2:
Multiple alternative accounts are prepared in advance before the primary account token expires. This preliminary preparation allows immediate switching without time loss when expiration occurs, while the authentication security framework remains intact.
3Duration of action of stationary object
If multiple alternative accounts are stored for authentication, then service continuity is improved during token expiration, but device complexity increases
Solution Approach 1:
The controller performs self-service by automatically detecting token expiration and switching to alternative accounts without user intervention. This automation manages the complexity of multiple accounts internally while presenting a simple continuous service to the user, extending service duration without requiring user awareness of the complexity.
Solution Approach 2:
Multiple accounts serve universal functionality for e-mail transmission authentication. Each alternative account can fulfill the same authentication purpose, allowing the system to extend service continuity duration by having multiple accounts perform the same function, while the controller manages this complexity centrally.
Data Source
AI summary
Provided is an image processing apparatus including a storage and one or more controllers. The storage stores an account for a service providing device. The one or more controllers control authentication processing for the service providing device based on the account. Upon receiving input of a new account, the one or more controllers store the new account in the storage as a second account if the one or more controllers determine that the new account is compatible with the same authentication method as a first account stored in the storage. The second account is an alternative account to the first account.