blob: a6c78bfa4c21f1041a404597990fe9901bfa5477 (
plain) (
blame)
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
|
#!/bin/bash
# HKP keyserver CGI for wk.fo/pks
# Implements: GET /pks/lookup?op=get|index|vindex and POST /pks/add
# Keys live in /var/pgp/keys/<FINGERPRINT_UPPERCASE>.asc
KEYS_DIR=/var/pgp/keys
FAVICON="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxNDAiIGhlaWdodD0iMTQwIiBzdHJva2U9IiMwMDAiPjxwYXRoIHN0cm9rZS13aWR0aD0iMTIyIiBzdHJva2UtZGFzaGFycmF5PSIyLDM4IiBkPSJtOSw3MGgxMjJNNzAsOXYxMjIiLz48cGF0aCBzdHJva2Utd2lkdGg9IjMzIiBzdHJva2UtbGluZWNhcD0icm91bmQiIGQ9Im03MCwzMGgwbTQwLDQwaDBtLTgwLDQwdjBtNDAsMGgwbTQwLDBoMCIvPjwvc3ZnPg=="
CSS='@font-face { font-family: "Kawkab Mono"; src: url(/fonts/KawkabMono-Regular.woff2); font-weight: normal; }
@font-face { font-family: "Kawkab Mono"; src: url(/fonts/KawkabMono-Bold.woff2); font-weight: bold; }
* { unicode-bidi: plaintext; box-sizing: border-box; }
html { color: black; background-color: white; }
body { font-family: "Kawkab Mono"; font-size: 16px; line-height: 1.4; margin: 0; padding: 4rem 0; min-height: 100%; overflow-wrap: break-word; }
main, header, footer { max-width: 800px; margin-inline: auto; padding: 0 2rem; }
h1, header, footer { text-align: center; }
main { text-align: justify; }
p, h2, h3, h4 { margin: 1em 0 0 0; }
table { margin: 1em auto; border-collapse: collapse; }
th, td { border: 1px solid; padding: 0.3em 0.8em; }
code { font-size: 85%; }
hr { border: none; border-top: thin solid; margin: 1.25rem 0; }
header { margin-bottom: 1em; }
footer { margin-top: 3em; }
@media (max-width: 600px) { body { font-size: 0.9em; } h1 { font-size: 1.8em; } }
@media (max-width: 400px) { body { font-size: 0.8em; } h1 { font-size: 1.6em; } }
@media (prefers-color-scheme: dark) { html { filter: invert(1); } img { filter: invert(1); } }'
FOOTER='<footer>
<hr>
<a href="https://twt.gumx.cc">twt</a> /
<a href="https://git.gumx.cc">git</a> /
<a href="https://mail.gumx.cc">mail</a> /
<a href="https://irc.gumx.cc">irc</a> /
<a href="https://files.gumx.cc">files</a> /
<a href="https://vpn.gumx.cc">vpn</a> /
<a href="https://pgp.gumx.cc">pgp</a> /
<a href="https://demo.gumx.cc">demo</a> /
<a href="https://wk.fo">wk.fo</a>
</footer>'
qs_get() {
echo "$QUERY_STRING" \
| tr '&' '\n' \
| grep -E "^$1=" \
| head -1 \
| cut -d= -f2- \
| sed 's/+/ /g; s/%20/ /g'
}
op=$(qs_get op)
search=$(qs_get search | sed 's/^0x//i; s/^0X//i')
case "$REQUEST_METHOD" in
GET)
case "$op" in
get)
printf "Content-Type: text/plain\r\n\r\n"
FP="${search^^}"
keyfile="$KEYS_DIR/$FP.asc"
if [[ -f "$keyfile" ]]; then
cat "$keyfile"
else
printf "Error: No key found for %s\n" "$search"
fi
;;
index)
printf "Content-Type: text/plain\r\n\r\n"
total=$(find "$KEYS_DIR" -name '*.asc' 2>/dev/null | wc -l)
echo "info:1:$total"
for f in "$KEYS_DIR"/*.asc; do
[[ -f "$f" ]] || continue
gpg --with-colons --import-options show-only \
--import < "$f" 2>/dev/null \
| awk -F: '/^pub/{print "pub:" $5 ":" $6 ":::" $10 "::"}'
done
;;
vindex)
printf "Content-Type: text/html\r\n\r\n"
printf '<!DOCTYPE html>\n<html lang="en">\n<head>\n'
printf '<meta charset="utf-8">\n'
printf '<link rel="icon" type="image/svg+xml" href="%s">\n' "$FAVICON"
printf '<meta name="viewport" content="width=device-width,initial-scale=1">\n'
printf '<title>wk.fo / pgp / keys</title>\n'
printf '<style>\n%s\n</style>\n' "$CSS"
printf '</head>\n<body>\n'
printf '<header>\n<h1><a href="https://wk.fo">wk.fo</a> / <a href="https://pgp.gumx.cc">pgp</a> / keys</h1>\n</header>\n'
printf '<main>\n<table>\n<tr><th>fingerprint</th><th>uid</th></tr>\n'
found=0
for f in "$KEYS_DIR"/*.asc; do
[[ -f "$f" ]] || continue
found=1
FP=$(basename "$f" .asc)
KEY_UID=$(gpg --with-colons --import-options show-only --import < "$f" 2>/dev/null \
| awk -F: '/^uid/{print $10; exit}')
printf '<tr><td><a href="/pks/lookup?op=get&search=0x%s"><code>%s</code></a></td><td>%s</td></tr>\n' \
"$FP" "$FP" "$KEY_UID"
done
[[ $found -eq 0 ]] && printf '<tr><td colspan="2">no keys</td></tr>\n'
printf '</table>\n</main>\n'
printf '%s\n' "$FOOTER"
printf '</body>\n</html>\n'
;;
*)
printf "Content-Type: text/plain\r\n\r\n"
echo "Error: unknown op"
;;
esac
;;
POST)
printf "Content-Type: text/plain\r\n\r\n"
read -r -d '' -n "${CONTENT_LENGTH:-4096}" SUBMITTED_KEY
TMPDIR_GPG=$(mktemp -d)
FINGERPRINT=$(echo "$SUBMITTED_KEY" \
| gpg --homedir "$TMPDIR_GPG" \
--with-colons --import-options show-only \
--import 2>/dev/null \
| awk -F: '/^fpr/{print $10; exit}')
rm -rf "$TMPDIR_GPG"
if [[ -z "$FINGERPRINT" ]]; then
echo "Error: Could not parse submitted key"
exit 0
fi
KEYFILE="$KEYS_DIR/${FINGERPRINT^^}.asc"
if [[ -f "$KEYFILE" ]]; then
echo "$SUBMITTED_KEY" > "$KEYFILE"
echo "Key updated successfully"
else
echo "Error: Fingerprint not registered."
echo "Contact administrator@wk.fo to arrange a key signing meeting."
fi
;;
esac
|
