Representational state transfer (REST) is a software architectural style that defines a set of constraints to be used for creating Web services. Web services that conform to the REST architectural style, called RESTful Web services (RWS), provide interoperability between computer systems on the Internet. RESTful Web services allow the requesting systems to access and manipulate textual representations of Web resources by using a uniform and predefined set of stateless operations. Other kinds of Web services, such as SOAP Web services, expose their own arbitrary sets of operations.
I am taking some intro lessons in REST from the online courses. Below is a very simple code i wrote. But when i try to see the output by entering the url
We are building a bunch of rest based services using Ens 2016.2 to serve our browser based application (Angular 4).
Two questions:
1. The initial authentication seems only work if credentials are placed in the url parameters. Trying to use the Authorization header instead, the client code immediately complains about Access-Control-Allow-Origin. How can I resolve this?
2. After initial authentication, what is the proper way to send subsequent rest calls without having to include credential every time?
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Hope someone can assist me to POST a JSON to the below URL. It works perfectly with POSTMAN. But when trying with cache/Ensemble i receive Method not found error
I was attempting to find a solution to grant clients anonymous access to certain API endpoints while securing others within my REST API. However, when defining a Web Application, you can only secure the entire application and not specific parts of it.
Hello, I want to create PDF from HTML source. I found pandoc. I installed pandoc on IRIS container image. I created Interoperability production. I have setup REST service to receive HTML file in request body. I call pandoc command pandoc -o output.pdf input.html from a BPL process. I copy output.pdf file stream into response body. I save the response at the source. I get a file named output.pdf but it does not load in Acrobat. I suspect I am doing something wrong with headers (accept-encoding?) or maybe do I need to base64 encode the pdf file to transfer it via REST?
It is clear how to get the request header value with a specific name:
Class My.RestController Extends %CSP.REST
{
ClassMethod processRequest() As %Status
{
#dim request as %CSP.Request
set request = %request
set h = ##class(%REST.Impl).%GetHeader("...")
...
return $$$OK
}
But I can't figure out how to enumerate ALL the request headers (and also get all values).
There are many applications for working with HL7 V2 messages, but the tools for working with XML in IRIS Management Portal and Cache Studio are limited.
I've been building up a REST services API, consisting of a dozen or so classes referenced from a Dispatch class, which has route mappings for the first piece of the URI. I'd like to have the Dispatch class be able to output all of the available Services, with some documentation. Is there something like a %Library resource that I could use to pull this information from each of the classes?
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Hello, our customer, large industrial company, is considering modernizing their old CSP application so it can run on multiple client device types, using responsive design.
They have a lot of experience with CSP and some ZEN.
They are new to REST and have some limited knowledge of javascript - perhaps not enough to the extent used by client framework.
Does anyone have a framework or a set of templates that you would be willing to share?
After installing IRIS 2023.1 on a live copy of our production machine our REST Service now consumes a CSP Session with every request. The request is handled as expected, but uses one of the 5 CSP Session per license. So after 25 requests, the license is used up. The Grace time always shows 0 and the session stay for very long. (Maybe the 900 Seconds timeout). On Caché 2018, we had the same settings for the Webapp and there, only a single Session was set for all requests. The Caché request didn't use any cookies.
I have an Ensemble installation and just build my first RestService (using %CSP.Rest that forwards them to my Business Service). This works nice and fine when I use postman to make REST calls over http (port 57772). However when I attempt to make a request using https over port 443 I receive the following error:
I am trying to write an application that will take some information on the database make a call to the Google API distance matrix and get the information to use with rest of the application without using the ensemble part of the development is this possible and how can I do my communication with the API from a cache class thanks in advance
I am using MDX2JSON do display data, it uses CSP REST to retrieve data and uses Password Authentication. I enabled LDAP authentication for this applicaiton, but it does not work.
I created new web application from Web Applications section in Management Portal. Such as screenshot. In browser call http://127.0.0.1:57772/rest/test . But got "Service Unavailable" 503 response. Could you please help?
Hi.. I have an issue where we are using OAuth2.0 with the ZAUTHENTICATE routine. Once our token is validated we are using a users lan id (passed on the ID token) to find a software defined username in a Cache Global.
That is all working fine in ZAUTHENTICATE.. I am setting the software defined username in the Properties("Comment") array and wanting to reference it in the Rest Service Dispatch class.
After some trials, I am comfortably on my way developing spec first REST APIs using /api/mgmt/, OpenAPI 2.0, testing with Postman.
My question is related to scaling up.
Assume these things:
- Our software is CSP web app and it's web application is '/csp/application'
- I created a new REST enabled web app called '/csp/application/v1' and for my first API I created a spec that defines an endpoint /getTeapots so the endpoint is localhost/csp/application/v1/getTeapots
- Using the /api/mgmt/ endpoint, I loaded the spec into API.TeapotLibrary
A REST API (Representational State Transfer) is an interface that allows different applications to communicate with each other through the HTTP protocol, using standard operations such as GET, POST, PUT, and DELETE. REST APIs are widely used in software development to expose services accessible by other applications, enabling integration between different systems.
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