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;; disfluid, implementation of the Solid specification
;; Copyright (C) 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 <https://www.gnu.org/licenses/>.
(define-module (webid-oidc server endpoint hello)
#:use-module (webid-oidc errors)
#:use-module (webid-oidc server endpoint)
#:use-module (webid-oidc provider-confirmation)
#:use-module ((webid-oidc parameters) #:prefix p:)
#:use-module ((webid-oidc config) #:prefix cfg:)
#:use-module (web request)
#:use-module (web response)
#:use-module (web uri)
#:use-module (web server)
#:use-module (web client)
#:use-module (ice-9 optargs)
#:use-module (ice-9 receive)
#:use-module (webid-oidc web-i18n)
#:use-module (ice-9 getopt-long)
#:use-module (ice-9 suspendable-ports)
#:use-module (ice-9 control)
#:use-module (ice-9 match)
#:use-module (ice-9 exceptions)
#:use-module (sxml simple)
#:use-module (srfi srfi-19)
#:use-module (srfi srfi-26)
#:use-module (oop goops)
#:duplicates (merge-generics)
#:declarative? #t
#:export
(
<greeter>
))
(define-class <greeter> (<endpoint>))
(define-method (handle (endpoint <greeter>) request request-body)
(let ((user (assq-ref (request-meta request) 'user)))
(unless user
(raise-exception
(make-exception
(make-web-exception 401 (W_ "reason-phrase|Unauthorized"))
(make-user-message
(call-with-input-string
(format #f (W_ "<p>You are not authentified.</p>"))
xml->sxml)))))
(let ((page
`(*TOP*
(*PI* xml "version=\"1.0\" encoding=\"utf-8\"")
(html (@ (xmlns "http://www.w3.org/1999/xhtml")
(xml:lang ,(W_ "xml-lang|en")))
(body
,(xml->sxml
(format #f (W_ "<h1>Hello, ~a!</h1>")
(call-with-output-string
(lambda (port)
(sxml->xml
`(a (@ (href ,(uri->string user)))
,(uri->string user))
port)))))
,(xml->sxml
(format #f (W_ "<p>You are authenticated with Solid.</p>"))))))))
(values
(build-response
#:headers `((content-type application/xhtml+xml)))
(call-with-output-string
(cute sxml->xml page <>))
'()))))
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