Created
November 29, 2011 23:00
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Higher order function for cas-server-clojure prototype
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| (defn cas-process-auth [cred handlers] | |
| (if (empty? handlers) | |
| {:authenticated false :handler :none} | |
| (let [assertion ((first handlers) cred)] | |
| (if (:authenticated assertion) | |
| assertion | |
| (recur cred (rest handlers)))))) |
Sure. This is just a first pass to get the ball rolling :-) I now feel we could create a very lean CAS core out of small composable functions without a lot of "extra baggage"
D.
…Sent from my iPhone
On Nov 29, 2011, at 20:04, "William G. Thompson, ***@***.*** wrote:
improvement? still feels to procedural...how about somehow mapping the authenicators until the first returns a valid authN?
(ns jasig.cas)
(defn authenticate-user [authenticators credentials]
{:pre [(seq authenticators) (seq credentials)]}
(if-let [auth-results ((first authenticators) credentials))]
auth-results
(recur credentials (rest authenticators))))
---
Reply to this email directly or view it on GitHub:
https://gist.github.com/1407022
Actually this is what the code does - goes through the provided authenticators and returns the first successful authN result. There are diff. ways of doing it, I'm sure and is subject to refactoring :-)
…Sent from my iPhone
On Nov 29, 2011, at 20:04, "William G. Thompson, ***@***.*** wrote:
improvement? still feels to procedural...how about somehow mapping the authenicators until the first returns a valid authN?
(ns jasig.cas)
(defn authenticate-user [authenticators credentials]
{:pre [(seq authenticators) (seq credentials)]}
(if-let [auth-results ((first authenticators) credentials))]
auth-results
(recur credentials (rest authenticators))))
---
Reply to this email directly or view it on GitHub:
https://gist.github.com/1407022
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improvement? still feels to procedural...how about somehow mapping the authenicators until the first returns a valid authN?
(ns jasig.cas)
(defn authenticate-user [authenticators credentials]
{:pre [(seq authenticators) (seq credentials)]}
(if-let [auth-results ((first authenticators) credentials))]
auth-results
(recur credentials (rest authenticators))))