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|
(ns puppetlabs.ring-middleware.utils
(:require [schema.core :as schema]
[ring.util.response :as rr]
[slingshot.slingshot :as sling]
[cheshire.core :as json])
(:import (java.security.cert X509Certificate)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; Schemas
(def ResponseType
(schema/enum :json :plain))
(def RingRequest
{:uri schema/Str
(schema/optional-key :ssl-client-cert) (schema/maybe X509Certificate)
schema/Keyword schema/Any})
(def RingResponse
{:status schema/Int
:headers {schema/Str schema/Any}
:body schema/Any
schema/Keyword schema/Any})
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; Helpers
(schema/defn ^:always-validate json-response
:- RingResponse
[status :- schema/Int
body :- schema/Any]
(-> body
json/encode
rr/response
(rr/status status)
(rr/content-type "application/json; charset=utf-8")))
(schema/defn ^:always-validate plain-response
:- RingResponse
[status :- schema/Int
body :- schema/Str]
(-> body
rr/response
(rr/status status)
(rr/content-type "text/plain; charset=utf-8")))
(defn throw-bad-request!
"Throw a :bad-request type slingshot error with the supplied message"
[message]
(sling/throw+ {:kind :bad-request
:msg message}))
(defn bad-request?
[e]
"Determine if the supplied slingshot error is for a bad request"
(when (map? e)
(= (:kind e)
:bad-request)))
(defn throw-service-unavailable!
"Throw a :service-unavailable type slingshot error with the supplied message"
[message]
(sling/throw+ {:kind :service-unavailable
:msg message}))
(defn service-unavailable?
[e]
"Determine if the supplied slingshot error is for an unavailable service"
(when (map? e)
(= (:kind e)
:service-unavailable)))
(defn throw-data-invalid!
"Throw a :data-invalid type slingshot error with the supplied message"
[message]
(sling/throw+ {:kind :data-invalid
:msg message}))
(defn data-invalid?
[e]
"Determine if the supplied slingshot error is for invalid data"
(when (map? e)
(= (:kind e)
:data-invalid)))
(defn schema-error?
[e]
"Determine if the supplied slingshot error is for a schema mismatch"
(when (map? e)
(= (:type e)
:schema.core/error)))
|
