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What is token caching?
Chamod Samarajeewa. Jul 13, 2019·3 min read. Caching is essentially an integral part in API request handling. This reduces the cost of database calls and other costly operations within or among different components by maintaining the requests and token details in memory. (
How do you check token is expired or not in Java?
4 Answers. The easiest way is to just try to call the service with it. It will reject it if it is expired and then you can request a new one. You can also keep the time you received the token and use the expires_in to calculate when it will approximately expire.
What is Adal cache?
The Azure AD Authentication Library (ADAL) automatically caches tokens obtained from Azure AD, including refresh tokens. ADAL provides a default token cache implementation. However, this token cache is intended for native client apps, and is not suitable for web apps: It can’t be shared across web servers in a farm.
Should I store database tokens?
It depends. If you have multiple servers of keep the token between server restarts than you need to persist it somewhere. The database is usually an easy choice. If you have a single server and don’t care that your users have to sign in again after a restart, than you can just keep it in the memory.
Where is token stored in Web API?
By default the token is not stored by the server. Only your client has it and is sending it through the authorization header to the server. If you used the default template provided by Visual Studio, in the Startup ConfigureAuth method the following IAppBuilder extension is called: app.
Is it possible to cache an access token?
With that said, you could cache if that was the case, but the token should be understandable by the resource server, and shouldn’t need to be cached. If that’s a detail of your implementation, so yes caching is possible, but not necessary. Thanks for contributing an answer to Stack Overflow!
How are cache access tokens used in surveys app?
Cache access tokens. By default, the Surveys app uses a Redis cache. For a single-instance web server, you could use the ASP.NET Core in-memory cache. (This is also a good option for running the app locally during development.) DistributedTokenCache stores the cache data as key/value pairs in the backing store.
When to use MSAL’s access token cache implementation?
You can use MSAL’s token cache implementation to allow background apps, APIs, and services to use the access token cache to continue to act on behalf of users in their absence. Doing so is especially useful if the background apps and services need to continue to work on behalf of the user after the user has exited the front-end web app.
What does an access token do to an application?
The person granting access to the resource the application is trying to access. The access token authorizes the application to access the API.