Implementing CORS in Angular+ Node

Question

I have a impolemented frontend in Node+Angular js and backend is running in Jetty exposing REST service.I want to send REST rquest from FE(Angular) to backend.when I am passing the complete URL to $http.get it works fine.However I want to mak it a configurable value so that any change in the URL/Port will not require me to change elsewhere apart from the configuration.Currently I am passing it as $http.post("http://localhost:8080/test/login/doStuff",dataObj) However I want to pass it as $http.post("/test/login/doStuff",dataObj) and automatically it should append http://localhost:8080.Can someone help me on this?

Thanks

Aviro · Accepted Answer · 2015-06-03 22:02:41Z

1

CORS is used to enable the communication trust between two different hosts. For example if the front end and back-end hosted in two different servers (not in the same domain) requires CORS to communicate in between.
However, in your case, I do not see a valid case except they deployed apart as explained.
A web app always can communicate using relative paths as long as they are hosted in the same server.
If the app hosted inside /myApp folder, it can access other resources using /myApp/other-web-folders.
If you want to communicate outside domain, you always have to do it with the full url. Hope this clarifies your doubts.

answered Jun 3, 2015 at 22:02

Aviro

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2 Comments

user3062513 Over a year ago

Thanks for the reply. I understand it. i want to make the url configurable.Is there any way that If I specify a relative url in the angular method then the other domain url will get appended?

Aviro Over a year ago

You can devise a mechanism like this. Always seperate the URL to two parts. The host and the path. You can change the host if it requires to load from a separate domain accordingly. This is just a suggestion. However, you don't have to do anything at the Angular level to enable CORS as its happen at the web server level.

bajran · Accepted Answer · 2018-08-08 13:36:50Z

0

You can store the hostname in another variable and concat that with url

let host = "http://localhost:8080"

$http.post(host + "/test/login/doStuff", dataObj)

answered Aug 8, 2018 at 13:36

bajran

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