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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
;;; Build Farm Front-End
;;;
;;; Copyright © 2023 Christopher Baines <mail@cbaines.net>
;;;
;;; 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
;;; <http://www.gnu.org/licenses/>.
(define-module (bffe view util)
#:use-module (guix-data-service web util)
#:use-module ((guix-data-service web render) #:prefix guix-data-service:)
#:use-module (ice-9 ftw)
#:use-module (ice-9 match)
#:use-module (ice-9 binary-ports)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-19)
#:use-module (srfi srfi-26)
#:use-module (web response)
#:export (layout
header
form-horizontal-control
display-possible-store-item
display-store-item
display-store-item-short
table/branches-with-most-recent-commits
render-html
render-json
general-not-found
error-page
static-asset-from-store-renderer
static-asset-from-directory-renderer))
(define* (layout #:key
(head '())
(body '())
title
description)
`((doctype "html")
(html
(@ (lang "en"))
(head
(title ,(if title
(string-append title " — Build farm")
"Build farm"))
(meta (@ (http-equiv "Content-Type")
(content "text/html; charset=UTF-8")))
(meta (@ (name "viewport")
(content "width=device-width, initial-scale=1")))
,@(if description
`((meta
(@ (name "description")
(content ,description))))
'())
(link
(@ (rel "stylesheet")
(media "screen")
(type "text/css")
(href "/assets/css/mvp.css")))
(style
"
:root {
--justify-important: left;
--justify-normal: center;
--line-height: 1.5;
}
table td,
table th,
table tr {
text-align: center;
}
header, main {
padding: 1rem;
}
header {
border-bottom: 2px solid green;
}
.monospace {
font-family: monospace;
font-size: 16px;
}
@media (min-width: 700px) {
.large-screen-float-right {
float: right;
}
}
.derivation {
display: block;
font-family: monospace;
font-size: 16px;
}
@keyframes scale-move {
0% { transform: scale(0.9,0); }
100% { transform: scale(1,1); }
}
.submitted-build {
animation: scale-move 0.8s;
}
.tag {
display: inline-block;
border-radius: 10px;
background: var(--color-bg-secondary);
padding: 0.25em 0.4em;
margin-right: 0.25rem;
font-family: monospace;
font-size: 14px;
}
")
,@head)
(body (header
(h1 ,title))
,@body))))
(define render-html
guix-data-service:render-html)
(define render-json
guix-data-service:render-json)
(define (general-not-found header-text body)
(layout
#:body
`((main
(h1 ,header-text)
(p ,body)))))
(define* (error-page #:optional error)
(layout
#:body
`((main
(h1 "An error occurred")
(p "Sorry about that!")
,@(if error
(match error
((key . args)
`((b ,key)
(pre ,args))))
'())))))
(define file-mime-types
'(("css" . (text/css))
("js" . (text/javascript))
("svg" . (image/svg+xml))
("png" . (image/png))
("gif" . (image/gif))
("woff" . (application/font-woff))
("ttf" . (application/octet-stream))
("html" . (text/html))))
(define (static-asset-from-store-renderer assets-directory)
(define last-modified
;; Use the process start time as the last modified time, as the file
;; metadata in the store is normalised.
(current-time))
(define files
(file-system-fold
(const #t) ; enter
(lambda (filename stat result)
(let ((relative-filename (string-drop filename
(+ 1 ; to account for the /
(string-length
assets-directory)))))
(cons (cons relative-filename
(call-with-input-file filename
get-bytevector-all))
result)))
(lambda (name stat result) result) ; down
(lambda (name stat result) result) ; up
(lambda (name stat result) result) ; skip
(lambda (name stat errno result)
(error name))
'()
assets-directory))
(define (send-file path contents)
(list `((content-type
. ,(assoc-ref file-mime-types
(file-extension path)))
(last-modified . ,(time-utc->date last-modified))
(cache-control . (public
;; Set the max-age at 5 minutes, as the files
;; could change when the code changes
(max-age . ,(* 60 5)))))
contents))
(lambda (path headers)
(and=> (assoc-ref files path)
(lambda (contents)
(cond ((assoc-ref headers 'if-modified-since)
=>
(lambda (client-date)
(if (time>? last-modified
(date->time-utc client-date))
(send-file path contents)
(list (build-response #:code 304) ; "Not Modified"
#f))))
(else
(send-file path contents)))))))
(define (static-asset-from-directory-renderer assets-directory)
(lambda (path headers)
(render-static-file assets-directory path headers)))
(define %not-slash
(char-set-complement (char-set #\/)))
(define (render-static-file root path headers)
(let ((file-name (string-append root "/" path)))
(if (not (any (cut string-contains <> "..")
(string-tokenize path %not-slash)))
(let* ((stat (stat file-name #f))
(modified (and stat
(make-time time-utc 0 (stat:mtime stat)))))
(define (send-file)
(list `((content-type
. ,(assoc-ref file-mime-types
(file-extension file-name)))
(last-modified . ,(time-utc->date modified))
(cache-control . (no-cache)))
(call-with-input-file file-name get-bytevector-all)))
(if (and stat (not (eq? 'directory (stat:type stat))))
(cond ((assoc-ref headers 'if-modified-since)
=>
(lambda (client-date)
(if (time>? modified (date->time-utc client-date))
(send-file)
(list (build-response #:code 304) ;"Not Modified"
#f))))
(else
(send-file)))
#f))
#f)))
|