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|
#!/bin/bash
path=$(
readlink -e "$(
dirname "$(
readlink -e "$0"
)"
)/.."
)
cnt=$(cat)
last_line=$(
printf '%s\n' "${cnt}" \
| tail -n1
)
if [ -z "${last_line##*--}" ]; then
borders=$(
printf '%s\n' "${cnt}" \
| grep -nxF -- "${last_line%--}" \
| cut -d: -f1
printf '%s\n' '$'
)
else
borders=$(
printf '%s\n' '1' '$'
)
last_line=$(
printf '%s\n' "${content}" \
| sha512sum \
| awk '{print $1}'
)
fi
start=''
decode=false
for end in ${borders}; do
if [ -n "${start}" ]; then
filtered_cnt=$(
printf '%s\n' "${cnt}" \
| sed -n "
${start} d
${end} { /^${last_line}\$/ d }
${start},${end} p
" \
| sed '
:a
$! N
s/\s*\n\s\+/ /
t a
P
D
'
)
file_name=$(
printf '%s\n' "${filtered_cnt}" \
| sed '
s@^Content-Disposition: \(attachment\|inline\); filename=\([^/[:space:]]\+\)$@\2@
t
s@^Content-Disposition: \(attachment\|inline\); filename="\([^/"]\+\)"$@\2@
t
s@^Content-Type: application/zip; name="\([^"]\+\.zip\)"$@\1@
t
d
' \
| tr -d '"/' \
| sed '
s/^\s\+//
s/\s\+$//
' \
| tr '[:space:]' '_' \
| sort -u
)
if printf '%s\n' "${filtered_cnt}" \
| grep -qx '^Content-Transfer-Encoding: \(base\|BASE\)64\s*$' \
&& [ -n "${file_name}" ]; then
decode=true
break
fi
fi
start="${end}"
done
if ! ${decode}; then
file_name=$(
printf '%s\n' "${cnt}" \
| sha512sum \
| awk '{print $1}'
).eml
fi
if ${decode}; then
printf '%s\n' "${filtered_cnt}" \
| sed -n '
/^$/,$ {
/^$/ d
p
}
' \
| base64 -d
else
printf '%s' "${cnt}"
fi \
> "${path}/reports/${file_name}"
|
