gma.sh

   1 #!/bin/bash
   2
   3 #########################################################################
   4 # This program is free software: you can redistribute it and/or modify  #
   5 # it under the terms of the version 3 of the GNU General Public License #
   6 # as published by the Free Software Foundation.                         #
   7 #                                                                       #
   8 # This program is distributed in the hope that it will be useful, but   #
   9 # WITHOUT ANY WARRANTY; without even the implied warranty of            #
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      #
  11 # General Public License for more details.                              #
  12 #                                                                       #
  13 # You should have received a copy of the GNU General Public License     #
  14 # along with this program. If not, see <http://www.gnu.org/licenses/>.  #
  15 #                                                                       #
  16 # Written by and Copyright (C) Francois Fleuret                         #
  17 # Contact <francois.fleuret@idiap.ch> for comments & bug reports        #
  18 #########################################################################
  19
  20 set -e
  21
  22 function usage () {
  23     echo "gma.sh [--body] [--nospam] [--subject|--from|--to|--fromto|--sender] <pattern> [<year>]"
  24 }
  25
  26 RESULT_MBOX="/tmp/gma"
  27 KEEP_SPAM=1
  28
  29 if [[ -z "${MAIL_ARCHIVE_DIR}" ]]; then
  30     echo "Undefined \$MAIL_ARCHIVE_DIR" >&2
  31     exit 1
  32 fi
  33
  34 if [[ $(which ionice) ]]; then
  35     IONICE="ionice -c3"
  36 else
  37     IONICE=""
  38 fi
  39
  40 HEADER_ONLY="-H"
  41
  42 while [[ $1 ]]; do
  43
  44     case $1 in
  45
  46         "--help"|"-h")
  47             usage
  48             exit 0
  49             ;;
  50
  51         "--body")
  52             HEADER_ONLY=""
  53             ;;
  54
  55         "--intense")
  56             IONICE=""
  57             ;;
  58
  59         "--nospam")
  60             KEEP_SPAM=0
  61             ;;
  62
  63         "--from")
  64             RE_PREFIX="^From:.*"
  65             ;;
  66
  67         "--to")
  68             RE_PREFIX="^To:.*"
  69             ;;
  70
  71         "--fromto")
  72             RE_PREFIX="^(From|To):.*"
  73             ;;
  74
  75         "--sender")
  76             RE_PREFIX="^Sender:.*"
  77             ;;
  78
  79         "--subject")
  80             RE_PREFIX="^Subject:.*"
  81             ;;
  82
  83         *)
  84             if [[ ${PATTERN} ]]; then
  85                 # If we already have the pattern to match in the
  86                 # message, get the new argument as a pattern for the
  87                 # filename
  88                 if [[ ${FILE_PATTERN} ]]; then
  89                     usage
  90                     exit 1
  91                 else
  92                     FILE_PATTERN="${MAIL_ARCHIVE_DIR}/${1}/*/*"
  93                     SIZE_FILE_PATTERN="${MAIL_ARCHIVE_DIR}/${1}"
  94                 fi
  95             else
  96                 PATTERN=$1
  97             fi
  98             ;;
  99     esac
 100     shift
 101 done
 102
 103 if [[ -z "${PATTERN}" ]]; then
 104     usage
 105     exit 1
 106 fi
 107
 108 [[ ${FILE_PATTERN} ]] || FILE_PATTERN="${MAIL_ARCHIVE_DIR}/*/*/*"
 109 [[ ${SIZE_FILE_PATTERN} ]] || SIZE_FILE_PATTERN="${MAIL_ARCHIVE_DIR}"
 110
 111 SIZE=$(\dus ${SIZE_FILE_PATTERN} | cut -f 1 -d" ")
 112
 113 echo "Looking for ${RE_PREFIX}${PATTERN}"
 114 echo "        in ${FILE_PATTERN}"
 115 echo "        writing result in ${RESULT_MBOX}"
 116
 117 if [[ ${KEEP_SPAM} == "1" ]]; then
 118
 119     ${IONICE} cat ${FILE_PATTERN} \
 120         | pv -s ${SIZE} -p -t -e - \
 121         | mboxgrep ${HEADER_ONLY} -i "${RE_PREFIX}${PATTERN}" > ${RESULT_MBOX}
 122
 123 else
 124
 125     ${IONICE} cat ${FILE_PATTERN} \
 126         | pv -s ${SIZE} -p -t -e - \
 127         | mboxgrep ${HEADER_ONLY} -i "${RE_PREFIX}${PATTERN}" \
 128         | mboxgrep ${HEADER_ONLY} -v '^Subject:.*SPAM' > ${RESULT_MBOX}
 129
 130 fi
 131
 132 echo "Found "$(grep ^"From " ${RESULT_MBOX} | wc -l)" messages."