Absolute Route URLs with Ring and Compojure
I need to redirect users to an absolute url after oAuth authentication.
How do I create an absolute url for a Compojure route? It looks like non-AJAX HTTP requests omit the header Origin
. Is there a Ring or Compojure helper for generating absolute URLs, or should I do it manually with schema and headers Host
?
Finally, and probably deserves a separate question, are there helper functions in Compojure to generate handler-based route urls, ala Html.ActionLink(...)
in MVC land?
+3
Petrus theron
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1 answer
The ring-headers project has middleware that translates relative to absolute URLs:
(ns ring.middleware.absolute-redirects
"Middleware for correcting relative redirects so they adhere to the HTTP RFC."
(:require [ring.util.request :as req])
(:import [java.net URL MalformedURLException]))
(defn- url? [^String s]
(try (URL. s) true
(catch MalformedURLException _ false)))
(defn absolute-url [location request]
(if (url? location)
location
(let [url (URL. (req/request-url request))]
(str (URL. url location)))))
+4
DanLebrero
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