path: root/localkannel-dispatch

#!/bin/sh

set -e

exit1() {
    echo >&2 "Error: $1"
    echo >&2 "Exiting..."
    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

# by now sms connection should work, so let sender get errors too
exit1() {
    echo >&2 "Error: $1"
    /usr/local/sbin/localsendsms "$to" "Error: $1"
    echo >&2 "Exiting..."
    exit 1
}

return1()   {
    echo >&2 "Error: $1"
    echo "$1"
    exit 1
}

vardir="/var/lib/kannel/hello"
findobjects() {
    set -e
    type="$1"; shift || return1 "Internal error in routine \"findobjects\" (empty object)!"
    limit="$@"
    regex="$(echo  "$limit" | perl -ne '/^\/(.+)\/$/ and print $1')"
    args="$(echo  "$limit" | perl -ne 's/.*?([a-z0-9]+).*?/ $1/g and print')"
    [ -d "$vardir/$type" ] || return
    if [ -z "$*" ]; then
        cd "$vardir/$type" && find -mindepth 1 -maxdepth 1 -type d -printf '%f\n'
    elif [ -n "$regex" ]; then
        cd "$vardir/$type" && find -mindepth 1 -maxdepth 1 -type d -regex "$regex"
    elif [ -n $args ]; then
        args_multiline="$(echo "$args" | perl -pe 's/[[:space:]]+/\n/g')"
        cd "$vardir/$type" && ! find -mindepth 1 -maxdepth 1 -type d -printf '%f\n' \
            | grep -Fx "$args_multiline" || true
    else
        return1 "Internal error in routine \"findobjects\" (illegal limit)!"
    fi
}
addobject() {
    set -e
    type="$1"
    name="$2"
    oldname="$(findobjects "$type" "$name")" || return1 "$oldname"
    [ -z "$oldname" ] || return1 "$type \"$name\" already exist."
    [ -n "$name" ] || return1 "Internal error in routine \"addobject\" (empty name)!"
    mkdir -p "$vardir/$type/$name"
    chgrp --reference="$vardir" "$vardir/$type/$name"
    echo "$name"
}

case "$app" in
  @*)
    [ -n "$REDIRECT_OK" ] || exit1 "Redirection not permitted here!"
    to="$(echo "$app" | perl -pe 's/^@//;' -e 's/^([^+])/+45\1/')"
# TODO: silence errors - or better: bounce those back to original sender
    /usr/local/sbin/localmarkdown2sms "$to" "$@"
    ;;
#  !*)
#   [ -n "$GROUP_OK" ] || exit1 "Redirection to group not permitted here!"
#   group="$(echo "$app" | perl -pe 's/^!//;')"
#   for to in $(echo "$group" | perl ...); do
#       /usr/local/sbin/localmarkdown2sms "$to" "$@"
#   done
#   ;;
  /*)
    [ -n "$ADMIN_OK" ] || exit1 "Administrative commands not permitted here!"
    cmd="$(echo "$app" | perl -pe 's/^\///;')"
    case "$cmd" in
      add|create)
        case "$1" in
          user|group)
            objecttype="$1"; shift || exit1 "Internal error while adding object."
            objectname="$(addobject "$objecttype" "$@")" || exit1 "Failed adding $objecttype${objectname+: $objectname}!"
            /usr/local/sbin/localsendsms "$to" "$objecttype \"$objectname\" added."
            ;;
          *)
            exit1 "Cannot add \"$1\" (try \"add user\" or \"add group\" instead)."
            ;;
        esac
        ;;
      status)
        msg="$(/usr/local/sbin/localshowkannelstatus)"
        /usr/local/sbin/localsendsms "$to" "$msg"
        ;;
      *)
        exit1 "unknown command \"$cmd\""
        ;;
    esac
    ;;
  yb)
    s="$(links -dump "http://www.yubnub.org/parser/parse?command=$@")"
    /usr/local/sbin/localsendsms "$to" "$s"
    ;;
  *)
    /usr/local/sbin/localmarkdown2sms "$to" "$app_raw" "$@"
    ;;
esac