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Editing: decode2text.sh
#!/usr/bin/sh # Example attachment decoder script. The attachment comes from stdin, and # the script is expected to output UTF-8 data to stdout. (If the output isn't # UTF-8, everything except valid UTF-8 sequences are dropped from it.) # The attachment decoding is enabled by setting: # # plugin { # fts_decoder = decode2text # } # service decode2text { # executable = script /usr/local/libexec/dovecot/decode2text.sh # user = dovecot # unix_listener decode2text { # mode = 0666 # } # } libexec_dir=`dirname $0` content_type=$1 # The second parameter is the format's filename extension, which is used when # found from a filename of application/octet-stream. You can also add more # extensions by giving more parameters. formats='application/pdf pdf application/x-pdf pdf application/msword doc application/mspowerpoint ppt application/vnd.ms-powerpoint ppt application/ms-excel xls application/x-msexcel xls application/vnd.ms-excel xls application/vnd.openxmlformats-officedocument.wordprocessingml.document docx application/vnd.openxmlformats-officedocument.spreadsheetml.sheet xlsx application/vnd.openxmlformats-officedocument.presentationml.presentation pptx application/vnd.oasis.opendocument.text odt application/vnd.oasis.opendocument.spreadsheet ods application/vnd.oasis.opendocument.presentation odp ' if [ "$content_type" = "" ]; then echo "$formats" exit 0 fi fmt=`echo "$formats" | grep -w "^$content_type" | cut -d ' ' -f 2` if [ "$fmt" = "" ]; then echo "Content-Type: $content_type not supported" >&2 exit 1 fi # most decoders can't handle stdin directly, so write the attachment # to a temp file path=`mktemp` trap "rm -f $path" 0 1 2 3 14 15 cat > $path xmlunzip() { name=$1 tempdir=`mktemp -d` if [ "$tempdir" = "" ]; then exit 1 fi trap "rm -rf $path $tempdir" 0 1 2 3 14 15 cd $tempdir || exit 1 unzip -q "$path" 2>/dev/null || exit 0 find . -name "$name" -print0 | xargs -0 cat | $libexec_dir/xml2text } wait_timeout() { childpid=$! trap "kill -9 $childpid; rm -f $path" 1 2 3 14 15 wait $childpid } LANG=en_US.UTF-8 export LANG if [ $fmt = "pdf" ]; then /usr/bin/pdftotext $path - 2>/dev/null& wait_timeout 2>/dev/null elif [ $fmt = "doc" ]; then (/usr/bin/catdoc $path; true) 2>/dev/null& wait_timeout 2>/dev/null elif [ $fmt = "ppt" ]; then (/usr/bin/catppt $path; true) 2>/dev/null& wait_timeout 2>/dev/null elif [ $fmt = "xls" ]; then (/usr/bin/xls2csv $path; true) 2>/dev/null& wait_timeout 2>/dev/null elif [ $fmt = "odt" -o $fmt = "ods" -o $fmt = "odp" ]; then xmlunzip "content.xml" elif [ $fmt = "docx" ]; then xmlunzip "document.xml" elif [ $fmt = "xlsx" ]; then xmlunzip "sharedStrings.xml" elif [ $fmt = "pptx" ]; then xmlunzip "slide*.xml" else echo "Buggy decoder script: $fmt not handled" >&2 exit 1 fi exit 0
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