March 2020
Intermediate to advanced
392 pages
10h 10m
English
Content preview from Hands-On Swift 5 Microservices Development
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Block access
Sometimes, you may need to block access for a particular user. Depending on the nature of your application, you may want this to take effect immediately or soon after you block the user. If you need it to happen quickly, you could do one of two things:
- Have very short lifespans for access tokens (such as 30-300 seconds)
- Have a blacklist of tokens
The first method might question whether it makes sense to even use this approach at all, but if you have a lot of requests, connecting to the authentication service only once every 30 seconds versus every request might make a big difference.
The second approach is something that could be offloaded to the load balancer. The load balancer would know which tokens to block and not grant ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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