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;; 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 <https://www.gnu.org/licenses/>.
(define-module (webid-oidc server delete)
#:use-module (webid-oidc errors)
#:use-module (webid-oidc server resource path)
#:use-module (webid-oidc server resource content)
#:use-module (webid-oidc server precondition)
#:use-module (webid-oidc cache)
#:use-module (webid-oidc fetch)
#:use-module (webid-oidc http-link)
#:use-module (webid-oidc server resource wac)
#:use-module ((webid-oidc stubs) #:prefix stubs:)
#:use-module (webid-oidc rdf-index)
#:use-module ((webid-oidc refresh-token) #:prefix refresh:)
#:use-module ((webid-oidc parameters) #:prefix p:)
#:use-module (web uri)
#:use-module (web response)
#:use-module (rdf rdf)
#:use-module (turtle tordf)
#:use-module (turtle fromrdf)
#:use-module (rnrs bytevectors)
#:use-module (ice-9 exceptions)
#:use-module (ice-9 receive)
#:use-module (ice-9 optargs)
#:use-module (ice-9 iconv)
#:use-module (ice-9 textual-ports)
#:use-module (ice-9 binary-ports)
#:use-module (ice-9 threads)
#:use-module (ice-9 hash-table)
#:use-module (ice-9 match)
#:use-module (rnrs bytevectors)
#:use-module (oop goops)
#:declarative? #t
#:export
(
delete
))
(define* (delete server-name owner user path if-match if-none-match)
(parameterize ((current-content-cache (make <content-cache>)))
(check-acl-can-write server-name path owner user)
(receive (base-path path-type)
(base-path path)
(update-path
base-path
(lambda (main auxiliary)
(let ((relevant
(if path-type
(assoc-ref auxiliary path-type)
main)))
(check-precondition path if-match if-none-match (and relevant (etag relevant)))
(if path-type
;; Delete an auxiliary resource
(values
main
(filter
(match-lambda
((type . content)
(not (equal? type path-type))))
auxiliary))
;; Delete the main resource, if it’s not the root and
;; it’s not a non-empty container (those things are
;; checked by update-path).
#f)))))))
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