Application Front-Ends Must Not Make Authorization Decisions
First, let’s get the usual introductions out of the way. For an in-depth discussion of what Authorization is, check out this post. For a complete introduction to Authorization concepts see my Authorization Series. This post continues my long-running Authorization Series. In this post, we’re going…
HTTP POST vs GET: Is One More Secure For Use In REST APIs?
The use of HTTP POST vs HTTP GET for read-only (or query) operations in REST APIs recently came up in a conversation. For this particular shop, there had been a long-standing ban on the use of GET requests for use in homegrown applications. This had been the case since before REST APIs were in…
SAML2 Use Cases
The following blog posts discuss SAML2 use cases that have been explored in this series:
SAML v2.0 vs. JWT: SAML2 Single Logout
This post wraps our look at SAML v2.0 Use Cases. The first four use cases are described in “SAML v2.0 vs JWT: SAML2 Web Application SSO Use Cases” and “SAML v2.0 vs. JWT: SAML2 with SOAP Web Services and REST APIs”. The full list of SAML2 vs JWT-related blog posts can be found here.
SAML v2.0 vs. JWT: SAML2 with SOAP Web Services and REST APIs
This post continues our look at SAML v2.0 Use Cases. The first two use cases are described in “SAML v2.0 vs JWT: SAML2 Web Application SSO Use Cases”. The full list of SAML2 vs JWT-related blog posts can be found here.
What are APIs? (The Technology Perspective)
This post was originally published as “What are APIs? (The Technology Perspective)” on the Levvel Blog.
What is a Web Service? What is a Service?
I have watched this debate unfold at every client site I have visited in the past few years. There are several angles to this question. From a technical stand point, a service is a program that takes some type of input, performs a task, and return some type of output. This is vague. It can describe…
What is a Service Consumer?
A Service Consumer is any tier of an organization’s systems that calls web services. These services could be implemented by SOAP, REST, XML over HTTP, EJBs, JMS or MQ applications, RMI, RPC, invocation of COBOL programs on a mainframe with 3270 screen-scraping, communication over a custom TCP…
What Is A REST Web Service?
REST web services are not nearly as formalized as their SOAP equivalent. A REST web service adheres to the principals laid out in Roy Fielding’s PhD Thesis. REST stands for Representational State Transition.