path: root/localkannel-dispatch

#!/bin/sh

set -e

vardir=/var/lib/kannel/hello
sbindir=/usr/local/sbin

exit0() {
    [ -n "$1" ] && echo "$1"
    exit 0
}
exit1() {
    [ -z "$1" ] || echo "Error: $1" || echo "Internal error!"
    response="${1+Error: $1}${-Internal error!}"
# FIXME: pass error messages via stderr (not stdout)
#   echo >&2 "$response"
    echo "$response"
    [ -z "$SMS_SMSC$SMS_URL" ] || $sbindir/localsendsms "$to" "$response"
    exit 1
}

simpleword() {
#   echo "$1" | tr '[A-Z]' '[a-z]' | egrep '^[a-z][a-z0-9-]+$' || exit 1
    echo "$1" | tr '[A-Z]' '[a-z]' | egrep '^[a-zæøåÆØÅ!@/][a-zæøåÆØÅ0-9-]+$' || exit 1
}

uriunescape() {
    if [ 0 = "$urldecode" ]; then
        echo "$@"
    else
        echo "$@" | perl -e 'use URI::Escape; print lc(uri_unescape(<STDIN>));'
    fi
}

#from=`uriunescape "$1" | sed -e 's/\+/ /g'`; shift
from=`uriunescape "$1"`; shift
#to=`uriunescape "$1" | sed -e 's/\+/ /g'`; shift
to=`uriunescape "$1"`; shift
set -- `uriunescape "$@" | sed -e 's/\+/ /g'`
#set -- `uriunescape "$@"`
app_raw="$1"
app=`simpleword "$1"`; shift

export debug

SMS_PHONE="$from"
urldecode=0
export SMS_PHONE urldecode

case "$SMS_REALM" in
  test)
    provider="dummy"
    mdpath="/home/hearth/public_webdata/hearth/content/sms"
    export mdpath
    ;;
  hello)
    provider="local"
#   provider="coolsms"
#   provider="clickatell"
    mdpath="/home/hearth/public_webdata/hearth/content/sms"
    export mdpath
    ;;
  cyber)
    provider="local"
    mdpath="/home/cyberhus/public_webdata/mdsms/content/sms"
    export mdpath
    ;;
  *)
    exit1 "unknown realm \"$SMS_REALM\"!"
    ;;
esac
case "$provider" in
  dummy)
    dummy=1
    ADMIN_OK=1
    export ADMIN_OK dummy
    ;;
  local)
    export SMS_SMSC
    ;;
  coolsms)
    unset SMS_SMSC
    SMS_URL="https://sms.coolsmsc.dk:8081/"
    SMS_USER="drjones1"
    SMS_PW="rahYSeGY"
    SMS_CP="cp1252"
    SMS_MSGTAG="message"
    export SMS_URL SMS_USER SMS_PW SMS_CP SMS_MSGTAG
    ;;
  clickatell)
#   unset SMS_SMSC
#   SMS_URL="https://api.clickatell.com/http/sendmsg"
#   SMS_USER="jonas"
#   SMS_PW="inaritab6"
#   SMS_CP="cp1252"
#   SMS_USERTAG="user"
#   SMS_API="3231280"
#   SMS_CONCAT="3"
#   export SMS_URL SMS_USER SMS_PW SMS_CP SMS_USERTAG SMS_API SMS_CONCAT
    SMS_SMSC="X"
    SMS_DLR_MASK="7"
    SMS_DLR_URL="http://helloearth.jones.dk/test.cgi?type=dlr&msgid=XXX&smsid=%I&from=%p&to=%P&time=%t&unixtime=%T&dlr=%d&dlrmsg=%A"
    export SMS_SMSC SMS_DLR_MASK SMS_DLR_URL
    ;;
  *)
    exit1 "unknown provider \"$provider\"!"
    ;;
esac

if [ -n "$REDIRECT_OK" ]; then
case "$app" in
  @*)
    to="$(echo "$app" | perl -pe 's/^@//;' -e 's/^([^+])/+45\1/')"
# TODO: silence errors - or better: bounce those back to original sender
    $sbindir/localmarkdown2sms "$to" "$@"
    exit 0
    ;;
esac
fi

if [ -n "$GROUP_OK" ]; then
case "$app" in
  !*)
    group="$(echo "$app" | perl -pe 's/^!//;')"
    members=$(cd "$vardir/user" && grep -lF "$group" */group | perl -pe "s,/group$,,") || members=
    [ -n "$members" ] || exit1 "Message redirected for none: no members resolved in group \"$group\"!"
    for member in $members; do
        phone=$(head -n 1 "$vardir/user/$member/phone") || nophone="${nophone+$nophone }$member"
        [ -z "$phone" ] || $sbindir/localmarkdown2sms "$phone" "$@"
    done
    [ -n "$members" ] || exit1 "Message redirected for none: no members resolved in group \"$group\"!"
    membercount=$(echo "$members" | wc --word)
    [ -z "$nophone" ] || nophonecount=$(echo "$nophone" | wc --word)
    [ -z "$nophone" ] || exit1 "Message redirected for $membercount members of group \"$group\", but failed for $nophonecount of them (could not resolve phone number)!"
    exit0 "Message redirected for $membercount members of group \"$group\"."
    ;;
esac
fi

case "$app" in
  /*)
    candidates=$(cd "$vardir/user" && grep -lF "$to" */phone | perl -pe "s,/phone$,,") || candidates=
    [ -z "$candidates" ] || $(grep -vqF "$candidates" "$vardir/group/admin/user") || admin=true
    if [ -n "$ADMIN_OK" ] && [ -n "$admin" ]; then
        cmd="$(echo "$app" | perl -pe 's/^\///;')"
        str="$($sbindir/localsmsadmin "$cmd" "$@" 2>&1)" || exit1 "$str"
        $sbindir/localsendsms "$to" $str
        exit 0
    fi
    ;;
esac

#  yb)
#   s="$(links -dump "http://www.yubnub.org/parser/parse?command=$@")"
#   $sbindir/localsendsms "$to" "$s"
#   exit 0
#   ;;

$sbindir/localmarkdown2sms "$to" "$app_raw" "$@"