Samples are all single-page apps using Spring Boot and Spring Security on the back end.
- There are a few samples that are built off of each other while adding new features at each step:
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simple: a very basic static app with just a home page and unconditional login via Spring Boot’s OAuth 2.0 configuration properties (if you visit the home page, you will be automatically redirected to GitHub).
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click: adds an explicit link that the user has to click to login.
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logout: adds a logout link as well for authenticated users.
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two-providers: adds a second login provider so the user can choose on the home page which one to use.
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custom-error: adds an error message for unauthenticated users, and a custom authentication based on GitHub’s API.
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Source: