#! /bin/sh
#	$Id: faxrcvd.sh.in,v 1.17 2004/03/11 22:45:29 lhoward Exp $
#
# HylaFAX Facsimile Software
#
# Copyright (c) 1990-1996 Sam Leffler
# Copyright (c) 1991-1996 Silicon Graphics, Inc.
# HylaFAX is a trademark of Silicon Graphics
# 
# Permission to use, copy, modify, distribute, and sell this software and 
# its documentation for any purpose is hereby granted without fee, provided
# that (i) the above copyright notices and this permission notice appear in
# all copies of the software and related documentation, and (ii) the names of
# Sam Leffler and Silicon Graphics may not be used in any advertising or
# publicity relating to the software without the specific, prior written
# permission of Sam Leffler and Silicon Graphics.
# 
# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
# 
# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
# OF THIS SOFTWARE.
#

#
# faxrcvd file devID commID error-msg
#
if [ $# -lt 4 ]; then
    echo "Usage: $0 file devID commID error-msg CIDNumber CIDName "
    exit 1
fi

test -f etc/setup.cache || {
    SPOOL=`pwd`
    cat<<EOF

FATAL ERROR: $SPOOL/etc/setup.cache is missing!

The file $SPOOL/etc/setup.cache is not present.  This
probably means the machine has not been setup using the faxsetup(8C)
command.  Read the documentation on setting up HylaFAX before you
startup a server system.

EOF
    exit 1
}

# These settings may not be present in setup.cache if user upgraded and
# didn't re-run faxsetup; we set them before calling setup.cache for
# backward compatibility.
ENCODING=base64
MIMENCODE=mimencode
TTYCMD=tty

. etc/setup.cache

INFO=$SBIN/faxinfo
FAX2PS=$TIFFBIN/fax2ps
TIFF2PS=tiff2ps
PS2PDF=ps2pdf
TOADDR=FaxMaster
FROMADDR=fax
TIFFINFO=tiffinfo
NOTIFY_FAXMASTER=always

#
# Redirect errors to a tty, if possible, rather than
# dev-nulling them or allowing them to creep into
# the mail.
#
if $TTYCMD >/dev/null 2>&1; then
    ERRORSTO=`$TTYCMD`
else
    ERRORSTO=/dev/null
fi

#
# Permit various types of attachment types: ps, tif, pdf
# Note that non-ASCII filetypes require an encoder.
# pdf requires tiff2ps and ps2pdf
#
FILETYPE=ps
SENDTO=

#
# There is no good portable way to find out the fully qualified
# domain name (FQDN) of the host or the TCP port for the hylafax
# service so we fudge here.  Folks may want to tailor this to
# their needs; e.g. add a domain or use localhost so the loopback
# interface is used.
#
HOSTNAME='192.168.0.254'			# XXX no good way to find FQDN
PORT=4559				# XXX no good way to lookup service

FILE="$1"
DEVICE="$2"
COMMID="$3"
MSG="$4"
CIDNUMBER="$5"
CIDNAME="$6"

FILENAME=`echo $FILE | $SED -e 's/\.tif//' -e 's/recvq\///'`
SENDER="`$INFO $FILE | $AWK -F: '/Sender/ { print $2 }' 2>$ERRORSTO | $SED 's/^.//'`"
SUBADDR="`$INFO $FILE | $AWK -F: '/SubAddr/ { print $2 }' 2>$ERRORSTO | $SED 's/^.//'`"

#
# Apply customizations.  All customizable variables should
# be set to their non-customized defaults prior to this.
#
if [ -f etc/FaxDispatch ]; then
    . etc/FaxDispatch		# NB: FaxDispatch sets SENDTO
fi

#
# Produce mailable encoding for binary files.
#
encode()
{
    if [ -x "$MIMENCODE" ]; then
	$MIMENCODE $1 2>$ERRORSTO
    elif [ -x "$UUENCODE" ]; then
	if [ "$ENCODING" = "base64" ]; then
	    $UUENCODE -m $1 $1 | grep -E -v "^begin|^====$" 2>$ERRORSTO
	else
	    $UUENCODE $1 $1 | grep -E -v "^begin|^====$" 2>$ERRORSTO
	fi
    else
	# Do not use "-x" for backward compatibility; even if it fails
	# this is last chance to encode data, so there's nothing to lose.
	$MIMENCODE $1 2>$ERRORSTO
    fi
}

if [ -f $FILE ]; then
    #
    # Don't send FaxMaster duplicates, and FaxMaster may not even
    # want a message at all, depending on NOTIFY_FAXMASTER.
    #
    case $NOTIFY_FAXMASTER$MSG in
	never*)		NOTIFY_FAXMASTER=no;;
	errors)		NOTIFY_FAXMASTER=no;;
	*)		NOTIFY_FAXMASTER=yes;;
    esac
    if [ "$TOADDR" != "$SENDTO" -a "$NOTIFY_FAXMASTER" != "no" ]; then
	(echo "To: $TOADDR"
	 echo "From: Agente de fax de HylaFAX <$FROMADDR>"
	 echo "Subject: Fax recibido de $SENDER";
	 echo ""
	 echo "$FILE (ftp://$HOSTNAME:$PORT/$FILE):"; $INFO -n $FILE
	echo "ReceivedOn: $DEVICE"
	if [ "$MSG" ]; then
	    echo ""
	    echo "The full document was not received because:"
	    echo ""
	    echo "    $MSG"
	    echo ""
	    echo "    ---- Transcript of session follows ----"
	    echo ""
	    if [ -f log/c$COMMID ]; then
		$SED -e '/-- data/d' \
		 -e '/start.*timer/d' -e '/stop.*timer/d' \
		 log/c$COMMID
	    elif [ -n "$COMMID" ]; then
		echo "    No transcript available (CommID c$COMMID)."
	    else
		echo "    No transcript available."
	    fi
	else
	    echo "    CommID: c$COMMID (ftp://$HOSTNAME:$PORT/log/c$COMMID)"
	fi
	if [ -n "$SENDTO" ]; then
	    echo ""
	    echo "The facsimile was automatically dispatched to: $SENDTO." 
	fi
	) | 2>&1 $SENDMAIL -f$FROMADDR -oi $TOADDR
    fi
    if [ -n "$SENDTO" ]; then
	(MIMEBOUNDARY="NextPart$$"
	 echo "Mime-Version: 1.0"
	 echo "Content-Type: Multipart/Mixed; Boundary=\"$MIMEBOUNDARY\""
	 echo "Content-Transfer-Encoding: 7bit"
	 echo "To: $SENDTO"
	 echo "From: Agente receptor de HylaFAX <$FROMADDR>"
	 echo "Subject: Se ha recibido un fax de $SENDER";
	 echo ""
	 echo "--$MIMEBOUNDARY"
	 echo "Content-Type: text/plain; charset=us-ascii"
	 echo "Content-Transfer-Encoding: 7bit"
	 echo ""
	 echo "Se ha recibido un fax. El documento ($FILE) se encuentra disponible para su descarga en "
	 echo -n '\\server\faxes\'
	 echo "$FILE" | $SED "s/recvq\///"
	 echo ""
	 echo ""
	 echo "O en (ftp://$HOSTNAME:$PORT/$FILE):"; 
	 
	 $INFO -n $FILE | $SED -e 's/Pages/Páginas/' -e 's/Quality/Calidad/' -e 's/Received/Fecha\/hora de recepción/' -e 's/SignalRate/Velocidad/' -e 's/DataFormat/Formato de datos/' 

	 echo ""
	 echo ""
	 echo "Recibido por: $DEVICE"
	 if [ "$MSG" ]; then
	    echo ""
	    echo "El documento no se ha recibido completo por:"
	    echo ""
	    echo "    $MSG"
	    echo ""
	    echo "    ---- Tanscripción de la sesión ----"
	    echo ""
	    if [ -f log/c$COMMID ]; then
		$SED -e '/-- data/d' \
		     -e '/start.*timer/d' -e '/stop.*timer/d' \
		     log/c$COMMID
	    elif [ -n "$COMMID" ]; then
		echo "    Transcripción no dispoinbie (CommID c$COMMID)."
	    else
		echo "    Transcripción no disponible."
	    fi
	 else
	    echo "    CommID: c$COMMID (ftp://$HOSTNAME:$PORT/log/c$COMMID)"
	 fi
	 echo ""
	 echo "--$MIMEBOUNDARY"
	 if [ "$FILETYPE" = "tif" ]; then
	     echo "Content-Type: image/tiff; name=\"$FILENAME.tif\""
	     echo "Content-Description: documento de FAX"
	     echo "Content-Transfer-Encoding: $ENCODING"
	     echo "Content-Disposition: attachment; filename=\"$FILENAME.tif\""
	     echo ""
	     encode $FILE;
	 elif [ "$FILETYPE" = "pdf" ]; then
	     echo "Content-Type: application/pdf; name=\"$FILENAME.pdf\""
	     echo "Content-Description: documento de FAX"
	     echo "Content-Transfer-Encoding: $ENCODING"
	     echo "Content-Disposition: attachment; filename=\"$FILENAME.pdf\""
	     echo ""
	     GW=`$TIFFINFO $FILE 2>$ERRORSTO | $GREP "Image Width" | \
		$SED 's/.*Image Width: \([0-9]*\).*/\1/g' | sort -n | $SED -n '$p'`
	     GL=`$TIFFINFO $FILE 2>$ERRORSTO | $GREP "Image Length" | \
		$SED 's/.*Image Length: \([0-9]*\).*/\1/g' | sort -n | $SED -n '$p'`
	     RW=`$TIFFINFO $FILE 2>$ERRORSTO | $GREP "Resolution" | \
		$SED 's/.*Resolution: \([0-9]*\).*/\1/g' | sort -n | $SED -n '$p'`
	     RL=`$TIFFINFO $FILE 2>$ERRORSTO | $GREP "Resolution" | \
		$SED 's/.*Resolution: [0-9]*, \([0-9]*\).*/\1/g' | sort -n | $SED -n '$p'`
	     # keep any output from tiff2ps and ps2pdf from the message source
	     $TIFF2PS -a -O $FILE.ps $FILE > $ERRORSTO 2>&1	# fax2ps output looks bad
	     $PS2PDF -g$GW\x$GL -r$RW\x$RL $FILE.ps $FILE.pdf > $ERRORSTO 2>&1
	     encode $FILE.pdf
	     $RM -f $FILE.ps $FILE.pdf 2>$ERRORSTO
	 else #  default as Postscript
	     echo "Content-Type: application/postscript; name=\"$FILENAME.ps\""
	     echo "Content-Description: documento de FAX"
	     echo "Content-Transfer-Encoding: 7bit"
	     echo "Content-Disposition: attachment; filename=\"$FILENAME.ps\""
	     echo ""
	     $FAX2PS $FILE 2>$ERRORSTO
	 fi
	 echo ""
	 echo "--$MIMEBOUNDARY--"
	) | 2>&1 $SENDMAIL -f$FROMADDR -oi $SENDTO
    fi
else
    #
    # Generate notification mail for a failed attempt.
    #
    (echo "To: $TOADDR"
     echo "From: Agente de recepción de HylaFAX <$FROMADDR>"
     echo "Subject: fax NO recibido"
     echo ""
     echo "Hubo un intento de envío de fax por $DEVICE que falló por el siguiente motivo:"
     echo ""
     echo "    $MSG"
     echo ""
     echo "    ---- Transcripción de la sesión ----"
     echo ""
     if [ -f log/c$COMMID ]; then
	$SED -e '/-- data/d' \
	     -e '/start.*timer/d' -e '/stop.*timer/d' \
	    log/c$COMMID
     elif [ -n "$COMMID" ]; then
	echo "    No transcript available (CommID c$COMMID)."
     else
	echo "    No transcript available."
     fi
    ) | 2>&1 $SENDMAIL -f$FROMADDR -oi $TOADDR
fi