blob: d327139e241092a3e67671befb6c91cfbb5cde06 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
;; 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)
#:use-module (webid-oidc errors)
#: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 (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
(
<endpoint>
host
path
relevant?
<router>
routed
handle
))
(define-class <endpoint> ()
(host #:init-keyword #:host #:getter host #:init-value #f)
(path #:init-keyword #:path #:getter path #:init-value "/"))
(define-method (initialize (endpoint <endpoint>) initargs)
(next-method)
(let-keywords
initargs #t
((host #f)
(path "/"))
(unless (or (not host) (string? host))
(scm-error 'wrong-type-arg "make <endpoint>"
(G_ "#:host should be a string or #f")
'()
(list host)))
(unless (and (string? path) (string-prefix? "/" path))
(scm-error 'wrong-type-arg "make <endpoint>"
(G_ "#:path should be an absolute path")
'()
(list path)))))
(define-class <router> (<endpoint>)
(routed #:init-keyword #:routed #:getter routed #:init-value '()))
(define-method (initialize (endpoint <router>) initargs)
(next-method)
(let-keywords
initargs #t
((routed '()))
(let check-routed ((routed routed)
(i 0))
(match routed
(() #t)
(((? (cute is-a? <> <endpoint>)) routed ...)
(check-routed routed (+ i 1)))
((not-an-endpoint _ ...)
(scm-error 'wrong-type-arg "make <router>"
(format #f (G_ "#:routed element ~a should be an endpoint") i)
'()
(list not-an-endpoint)))
(else
(scm-error 'wrong-type-arg "make <router>"
(G_ "#:routed should be a list of endpoints")
'()
(list routed)))))))
(define-method (relevant? (endpoint <endpoint>) request)
(let ((requested-host
(match (request-host request)
((or ((? string? host) . _)
(? string? host))
host)
(else #f)))
(requested-path
(split-and-decode-uri-path
(uri-path (request-uri request)))))
(and (or (not (host endpoint))
(equal? (host endpoint) requested-host))
(let check-path ((path (split-and-decode-uri-path (path endpoint)))
(requested-path requested-path))
(match `(,path ,requested-path)
((() _) #t)
((_ ()) #f)
(((element path ...)
(requested-element requested-path ...))
(and (equal? element requested-element)
(check-path path requested-path))))))))
(define-method (handle (endpoint <router>) request request-body)
(let find-router ((routed (routed endpoint)))
(match routed
(()
(values
(build-response
#:code 404
#:reason-phrase (W_ "Not Found"))
#f
'()))
(((and router
(? (cute relevant? <> request)))
_ ...)
(handle router request request-body))
((_ routed ...)
(find-router routed)))))
|
