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The /api/v1 prefix will apply to all API routes, and clients will expect that any tools or proceses that integrate with our API will continue to function as long as they use the same URI. For example, the API route that registers a new user account will be /api/v1/auth/register. There are several approaches to API versioning, but the one I prefer is the most explicit – embed the version number in the URL route. The best way to avoid causing frustration is to apply strict versioning with the promise that no breaking changes will be introduced within a major version. API VersioningĪfter you develop and release an API, it is important to remember that even minor changes such as a value in the request or response data changing from a string to an int could be a breaking change for clients. Please let me know if you believe I have implemented anything incorrectly. My intent is to adhere to the requirements in every possible case. Because of this, I will refer to both documents and reproduce text whenever I am implementing something in order to fulfull a requirement for Bearer Token Authentication.

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To avoid duplicating work and to make maintenance of these reference docs easier, quite often terminology referred to in the Bearer Token Authentication spec references RFC6749 for the full definition/explanation. OAuth 2.0 has its own specification document, RFC6749. RFC6750 is a concrete implementation of the OAuth 2.0 Authorization Framework. RFC6750 defines the required format and contents of these fields, as well as recommended best practices for mitigating possible security threats.

The tokens are exchanged via HTTP response fields and header fields. RFC6750 is the specification document that defines an authorization process where clients utilize tokens issued by a resource server to access protected resources. A RESTful design where all routes strictly refer to a resource such as /session is far less intuitive, IMO. For an authentication API, I believe the best design is to use routes with the verbs /register, /login, etc. I believe that you should follow the tenets of REST as long as it makes sense for your application. However, the design I chose for the endpoint names clearly violates the naming requirements for RESTful URIs. The design that we will implement ensures that the client’s application state is never stored by the server, which adheres to the statelessness constraint of REST. What I took away from them is that there is nothing close to a consensus on the topic of the “correct” way to design a RESTful authentication system.

Do sessions really violate RESTfulness?.

Which HTTP method should Login and Logout Actions use in a “RESTful” setup.

RESTfully design /login or /register resources?.

Understanding REST: Verbs, error codes, and authentication.

The following questions/topics are from stackoverflow: What is the correct way to design a REST API to perform these actions? Are these actions even appropriate for a REST API? The answer is not as straightforward or obvious as you might think.

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In this section of the tutorial we will implement the user registration and authentication processes.

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I say these things because most so-called REST APIs and articles explaining how to design and construct a REST API are not truly RESTful. REST is also about the media types that the system uses to represent the resources. REST is truly about resource state, and how hypermedia defines the actions available to these resources. HTTP just happens to be very popular and well-suited to REST systems. First of all, REST does not require HTTP – REST is protocol-agnostic. What makes an API RESTful is much more than creating a set of URIs and implementing the response to GET, POST, PUT, etc. At the very least you should read Chapter 5 Representational State Transfer (REST). I strongly recommend trying to fully digest Fielding’s thesis.

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The term “REST” was introduced in 2000 by Roy Fielding in his doctoral thesis, titled Architectural Styles and the Design of Network-based Software Architectures.

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However, doing so would require considerably more code and would not give us the Swagger UI page to document and test the API.īefore we begin, let’s discuss what makes a REST API RESTful and make a decision to abide (or not to abide) by the requirements and constraints of REST. It’s finally time to start configuring the API! Keep in mind that the URL routes and the business logic that takes place when a user sends a GET, POST, PUT or DELETE request could all be accomplished using the functions, classes and decorators provided in Flask (that is, without using the Flask-RESTx extension).