blob: ec333c885a9670aa283736cc9d53f00f3db3b29e (
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
|
#!/bin/bash
set +e
verwendung() {
>&2 echo 'digest-mailer collects emails into digests before sending them.'
>&2 echo ''
>&2 echo 'Usage: digest-mailer [OPTIONS]'
>&2 echo \
'#HELPTEXT# #'
exit 1
}
if [ "x$1" = 'x--help' ]; then
verwendung
fi
if [ "x$1" = 'x--version' ]; then
echo '#VERSION#'
exit
fi
if [ $# -ne 0 ]; then
verwendung
fi
min_delay=3600
max_delay=3600
agressivity=0
mail_cmd='sendmail -t'
if [ -r '#ETCDIR#/digest-mailer.conf' ]
then
. '#ETCDIR#/digest-mailer.conf'
fi
message=$(
cat
)
sender=$(
whoami | \
sha224sum | \
awk '{print $1}'
)
receiver=$(
printf '%s\n' "${message}" | \
sed -n '
/^$/q
s/^To:\s*//
T
p
' | \
sha224sum | \
awk '{print $1}'
)
time=$(
date +%s
)
hash=$(
printf '%s' "${message}" | \
sha224sum | \
awk '{print $1}'
)
if [ -s "#LIBDIR#/digest-mailer/${sender}.${receiver}.last-sent" ]; then
last_sent=$(
cat "#LIBDIR#/digest-mailer/${sender}.${receiver}.last-sent"
)
else
last_sent='0'
fi
printf '%s' "${message}" > "#LIBDIR#/digest-mailer/${sender}.${receiver}.${time}.${hash}"
first_unsent=$(
find '#LIBDIR#/digest-mailer' -regextype grep -maxdepth 1 -mindepth 1 \
-regex ".*/${sender}\.${receiver}\.[0-9]\+\.[0-9a-f]\+\$" \
-printf '%f\n' | \
cut -d. -f3 | \
sort -nr | \
tail -n1
)
to_send=$(
find '#LIBDIR#/digest-mailer' -regextype grep -maxdepth 1 -mindepth 1 \
-regex ".*/${sender}\.${receiver}\.[0-9]\+\.[0-9a-f]\+\$" | \
sort
)
to_send_count=$(
printf '%s\n' "${to_send}" | \
wc -l
)
if [ $((last_sent + min_delay)) -gt ${time} ]; then
# last email was sent too close
exit
fi
if [ ${to_send_count} -gt 1 ] && \
printf '%s - (%s+%s)*%s - (%s+%s)*(1-%s)\n' \
"${time}" \
"${min_delay}" "${last_sent}" "${agressivity}" \
"${max_delay}" "${first_unsent}" "${agressivity}" | \
bc | \
grep -q '^-' && \
[ $((first_unsent + max_delay)) -ge ${time} ]; then
exit
fi
printf '%s' "${time}" > "#LIBDIR#/digest-mailer/${sender}.${receiver}.last-sent"
if [ ${to_send_count} -eq 1 ]; then
${mail_cmd} < "${to_send}"
rm "${to_send}"
exit
fi
{
sed -n '
/^$/q
s/^Subject:.*$/Subject: mail-digest/
' "$(
printf '%s' "${to_send}" | \
head -n1
)"
printf '\n'
printf '%s\n' "${to_send}" | \
while read -r file; do
cat "${file}"
printf '\n'
rm "${file}"
done
} | ${mail_cmd}
|
