;; disfluid, implementation of the Solid specification
;; Copyright (C) 2020, 2021 Vivien Kraus
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU Affero General Public License as
;; published by the Free Software Foundation, either version 3 of the
;; License, or (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU Affero General Public License for more details.
;; You should have received a copy of the GNU Affero General Public License
;; along with this program. If not, see .
(define-module (webid-oidc token-endpoint)
#:use-module (webid-oidc server endpoint identity-provider)
#:use-module (webid-oidc errors)
#:use-module (webid-oidc server endpoint)
#:use-module (webid-oidc authorization-code)
#:use-module (webid-oidc dpop-proof)
#:use-module (webid-oidc jws)
#:use-module (webid-oidc jwk)
#:use-module (webid-oidc oidc-id-token)
#:use-module (webid-oidc access-token)
#:use-module (webid-oidc web-i18n)
#:use-module ((webid-oidc parameters) #:prefix p:)
#:use-module ((webid-oidc stubs) #:prefix stubs:)
#:use-module ((webid-oidc refresh-token) #:prefix refresh:)
#:use-module (web request)
#:use-module (web response)
#:use-module (web uri)
#:use-module (ice-9 optargs)
#:use-module (ice-9 receive)
#:use-module (ice-9 control)
#:use-module (ice-9 exceptions)
#:use-module (srfi srfi-19)
#:use-module (srfi srfi-26)
#:use-module (rnrs bytevectors)
#:use-module (sxml simple)
#:use-module (sxml match)
#:use-module (oop goops)
#:duplicates (merge-generics)
#:declarative? #t
#:export
(
make-token-endpoint
))
(define (try-handle-web-failure thunk)
(call/ec
(lambda (return)
(with-exception-handler
(lambda (error)
(unless (web-exception? error)
(raise-exception error))
(return
(build-response
#:code (web-exception-code error)
#:reason-phrase (web-exception-reason-phrase error)
#:headers `((content-type application/xhtml+xml)))
(call-with-output-string
(cute sxml->xml
`(*TOP*
(*PI* xml "version=\"1.0\" encoding=\"utf-8\"")
(html (@ (xmlns "http://www.w3.org/1999/xhtml")
(xml:lang ,(W_ "xml-lang|en")))
(body
,(call-with-input-string
(format #f (W_ "
The token request failed
"))
xml->sxml)
,(if (user-message? error)
(user-message-sxml error)
(call-with-input-string
(format #f (W_ "No more information.
"))
xml->sxml)))))
<>))))
thunk))))
(define (make-token-endpoint token-endpoint-uri iss issuer-key-file)
(define endpoint
(make
#:issuer iss
#:key-file issuer-key-file))
(lambda (request request-body)
(when (bytevector? request-body)
(set! request-body (utf8->string request-body)))
(try-handle-web-failure
(lambda ()
(parameterize ((web-locale request))
(receive (response response-body response-meta)
(handle endpoint request request-body)
(values response response-body)))))))