blob: e94e7145b879add2191d10e33648b7e0ac2de5bb (
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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
#! /bin/sh
set -euf
# TODO Cache-Control [RFC 2616, Section 14.9]
# TODO Accept-Encoding: gzip,deflate
# TODO Keep-Alive: 300
# TODO Connection: keep-alive
# TODO /robots.txt
Server='htgen'
Request="$(sed 's/\r$//;/^$/q')"
date="`date '+%Y-%m-%d %H:%M:%S'`"
##
## Parse request.
##
Request_Line=
eval "$(echo "$Request" | sed -rn '
1{s^([a-zA-Z]+) ([a-zA-Z0-9?&+*/.-]+) HTTP/([0-9]+\.[0-9]+)$\
Request_Line="&"\
Method="\1"\
Request_URI="\2"\
HTTP_Version="\3"\
p;t;i\
Request_Line= # invalid request
q
}
s/^Host: ([a-zA-Z0-9?+&/:.-]+)$/Host="\1"/p
')"
##
## Log request.
##
# TODO real logging
cat>&2<<EOF
## $date, $TCPREMOTEIP:$TCPREMOTEPORT $Request_Line
$Request
EOF
##
## Handle request.
##
if test -z "$Request_Line" ; then
echo "# [1;31mFAIL[m"
exit -23
fi >&2
# TODO Date: `date --utc`
case "$Host" in
src.mine.nu:42380|src.mine.nu|vix|vix:42380|localhost:42380)
case "${Method-Invalid-Request}" in
GET|HEAD)
case "$Request_URI" in
/style5.css)
body_type=file
body=~/public_html$Request_URI
cat<<EOF
HTTP/1.0 200 OK
Connection: close
Content-Length: `du -b $body | cut -f1`
Content-Type: text/css
Server: $Server
EOF
;;
/favicon5.png|/favicon2.png)
body_type=file
body=~/public_html$Request_URI
cat<<EOF
HTTP/1.0 200 OK
Connection: close
Content-Length: `du -b $body | cut -f1`
Content-Type: image/png
Server: $Server
Cache-Control: public
EOF
;;
/|/index.html)
# XXX this is a hack:
make -C ~/public_html index.html >&2
# TODO 304 Not Modified
# TODO better max-age(?)
# TODO may we use more than one Cache-Control?
body_type=file
body=~/public_html/index.html
cat<<EOF
HTTP/1.0 200 OK
Content-Type: text/html; charset=UTF-8
Server: $Server
Connection: close
Content-Length: `du -b $body | cut -f1`
Cache-Control: max-age=60
EOF
;;
*)
body_type=string
body="404 Not found: $Request_URI"
cat<<EOF
HTTP/1.0 404 Not Found
Content-Type: text/plain; charset=UTF-8
Server: $Server
Connection: close
Content-Length: ${#body}
EOF
;;
esac
;;
*) # Method
body_type=string
body="501 Not Implemented: $Method"
cat<<EOF
HTTP/1.0 501 Not Implemented
Content-Type: text/plain; charset=UTF-8
Server: $Server
Connection: close
Content-Length: ${#body}
Cache-Control: public
EOF
;;
esac
;;
*) # Host
body_type=string
body="403 Forbidden"
cat<<EOF
HTTP/1.1 403 Forbidden
Content-Type: text/plain; charset=UTF-8
Connection: close
Content-Length: ${#body}
Cache-Control: public
EOF
;;
esac
##
## Print message-body.
##
case "$Method" in
GET)
case "$body_type" in
file) cat "$body" ;;
string) echo -n "$body" ;;
esac
;;
esac
# Success (mod transfer)
echo "# OK" >&2
exit
|
