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#!/bin/bash
#
# Mail Blog input script, to be called by procmail
#
set -e
function atexit {
if [ "$ERRORMSG" != "" -o -s errormsg.txt ] ; then
(echo "$ERRORMSG" ; cat errormsg.txt) | mutt -s "bloginput: Error" -- "$ADDR" >> ~/log 2>&1
fi
cd
rm -rf "$DIR"
}
trap atexit EXIT
function mimedecode() {
perl -ne 'require MIME::Head; $head = MIME::Head->read(\*STDIN); $head->decode(); print $head->get("Subject")'
}
echo "Log at `date`:" >> ~/log 2>&1
BLOGDIR=/var/www/blog
# Default: Error
ERRORMSG="General error."
USERLOG=""
DIR=`mktemp -d`
cd "$DIR"
touch body.txt
touch errormsg.txt
cat > inmail
ADDR=`grep "^From: " inmail | sed -e 's/^From: //'`
if echo "$ADDR" | grep -q -v "^[a-zA-Z0-9@._-<>\" ]\+$" ; then
# can't send error message to unknown requester
ERRORMSG=""
exit 1
fi
if echo "$ADDR" | grep -q "weblog-bloginput" ; then
# don't reply to mails from weblog-bloginput, i.e. prevent mail loops
ERRORMSG=""
exit 1
fi
ALLLINES=`wc -l inmail | cut -f1 -d" "`
HEADERLINES=`cat inmail | (n=0; while read i ; do
if [ "$i" == "" ] ; then
echo $n
break
fi
n=$(($n + 1))
done)`
HEADER=`head -n$HEADERLINES inmail`
BODY=`tail -n$(($ALLLINES - $HEADERLINES - 1)) inmail`
echo "$HEADER" > /home/weblog-bloginput/header.txt
echo "$BODY" > /home/weblog-bloginput/body.txt
SUBJECT=`echo "$HEADER" | mimedecode`
SUBJECT_PATH=`echo "$SUBJECT" | sed -e 's/[^a-zA-Z0-9]/_/g'`
ARTICLEDIR="$BLOGDIR/`date +%Y/%Y%m%d`_$SUBJECT_PATH"
mkdir -p $ARTICLEDIR
echo "Subject: $SUBJECT" >> $ARTICLEDIR/article.data
echo "" >> $ARTICLEDIR/article.data
# get attachments
munpack -C $ARTICLEDIR `pwd`/inmail >/dev/null || true
DATANAME="`ls $ARTICLEDIR/*.desc || true`" 2>/dev/null
if [ "$DATANAME" = "" ] ; then
echo "$BODY" >> $ARTICLEDIR/article.data
else
cat "$DATANAME" >> $ARTICLEDIR/article.data
rm "$DATANAME"
fi
chmod -R a+r $ARTICLEDIR
chmod a+x $ARTICLEDIR
echo "Processed successfully." | mutt -s "Bloginput: $SUBJECT_PATH" -- "$ADDR" >> ~/log 2>&1
echo "User log:" >> ~/log
cat body.txt >> ~/log
ERRORMSG=""
echo "Done successfully at `date`." >> ~/log 2>&1
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