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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 (tests dpop-proof-no-explicit-exp)
#:use-module (webid-oidc dpop-proof)
#:use-module (webid-oidc access-token)
#:use-module (webid-oidc jwk)
#:use-module (webid-oidc jws)
#:use-module (webid-oidc testing)
#:use-module (webid-oidc errors)
#:use-module ((webid-oidc stubs) #:prefix stubs:)
#:use-module ((webid-oidc parameters) #:prefix p:)
#:use-module (web uri)
#:use-module (srfi srfi-19)
#:use-module (web response)
#:use-module (ice-9 receive)
#:use-module (ice-9 optargs)
#:use-module (oop goops)
#:declarative? #t)
(define-class <dpop-proof-with-exp> (<dpop-proof>)
#:module-name '(tests dpop-proof-no-explicit-exp))
(define-method (initialize (token <dpop-proof-with-exp>) initargs)
(next-method)
;; Override exp
(let-keywords
initargs #t
((validity #f))
(slot-set! token 'exp
(let ((iat (time-second (date->time-utc (iat token)))))
(time-utc->date
(make-time time-utc 0
(+ iat validity)))))))
(define malicious-jwt-created? #f)
(define-method (token->jwt (token <dpop-proof-with-exp>))
(set! malicious-jwt-created? #t)
(receive (header payload) (next-method)
(let ((exp (time-second (date->time-utc (exp token)))))
(unless (equal? exp 3600)
(exit 3))
(values header
`((exp . ,exp)
,@payload)))))
(with-test-environment
"dpop-proof-no-explicit-exp"
(lambda ()
(define jwk (generate-key #:n-size 2048))
(define idp-key (generate-key #:n-size 2048))
(define cnf (jkt jwk))
(define access-token
(parameterize ((p:current-date 0))
(issue <access-token>
idp-key
#:webid (string->uri "https://data.provider/subject")
#:iss (string->uri "https://identity.provider")
#:client-key jwk
#:client-id (string->uri "https://client"))))
(define proof
(parameterize ((p:current-date 0))
(issue <dpop-proof-with-exp>
jwk
#:jwk (public-key jwk)
#:htm 'GET
#:htu (string->uri "https://example.com/res?query")
#:validity 3600 ;; Obviously too long: the decoder
;; should ignore this value and make it
;; obsolete after 120 seconds.
#:access-token access-token)))
(unless malicious-jwt-created?
(exit 1))
(with-exception-handler
(lambda (error)
(unless (and (expired? error)
(eqv? (time-second (date->time-utc (error-expiration-date error)))
30)
(eqv? (time-second (date->time-utc (error-current-date error)))
60))
(raise-exception error)))
(lambda ()
(parameterize ((p:current-date 60))
(decode <dpop-proof> proof
#:method 'GET
#:uri (string->uri "https://example.com/res?query")
#:cnf/check cnf
#:access-token access-token))
(exit 2))
#:unwind? #t
#:unwind-for-type &expired)))
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