SRFax Gateway

#!/bin/bash
#
# SRFax Gateway cron
# (c) 2022 Peter Hutten-Czapski released on GPL 2+
# version date Feb 4, 2022
#
# Picks up the files dropped by OSCAR
# and POSTs it to the SRFax API
# and it clears the files dropped by OSCAR
# Adjust the constants at the top of the page to match actual
#

ID=***** # this is your SRfax account number
PWD=****** # Escape any special characters with non quoted \
CID=******** # this is your SRfax fax number, just numbers
EMAIL=******** # use the same email registered with SRfax for access to their web interface
FROM=******* # this one is whatever you like
FAXLOG=fax2.log

SCRIPT_FILE=$(basename "$0")
LOCKDIR=/tmp/${SCRIPT_FILE}.lock
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
SCRIPT_PATH="${SCRIPT_DIR}/${SCRIPT_FILE}"
FAXLOG=${SCRIPT_DIR}/fax2.log
PROPFILE=$CATALINA_HOME/oscar.properties
echo "Calling  ${SCRIPT_FILE} on ${SCRIPT_PATH} with logging on ${FAXLOG}"

# --- select the running Tomcat or the highest installed version
TOMCAT=$(ps aux | grep org.apache.catalina.startup.Bootstrap | grep -v grep | awk '{ print $1 }')
if [ -z "$TOMCAT" ]; then
    #Tomcat is not running, find the highest installed version
    if [ -f /usr/share/tomcat9/bin/version.sh ] ; then
            TOMCAT=tomcat9
        else
        if [ -f /usr/share/tomcat8/bin/version.sh ] ; then
            TOMCAT=tomcat8
            else
            if [ -f /usr/share/tomcat7/bin/version.sh ] ; then
                TOMCAT=tomcat7
            fi
        fi
    fi
fi

TMP=$(grep fax_file_location $PROPFILE | sed -e "s/.*[=:][[:space:]]*//" -e "s/#.*//")
if [ -z "$TMP" ]; then
  TMP=/tmp/${TOMCAT}-${TOMCAT}-tmp
fi
echo "Searching ${TMP} for faxes...."
if test -n "$(find ${TMP} -maxdepth 1 -name '*.txt' -print -quit)"; then
        echo "Faxes found to be sent"
        for f in `ls $TMP/*.txt`; do
                faxto=`sed s"/ *//g" $f|tr -d "\n"`
                # allow for a second or so for the pdf to be generated
                sleep 4
                bfile=`echo $f | sed s"/txt/pdf/"`
                openssl base64 -e -A -in $bfile -out temp.b64
                echo -n `date` "fax to 1$faxto " >> $FAXLOG
                json=$(curl \
                -F "action=Queue_Fax" \
                -F "access_id=$ID" \
                -F "access_pwd=$PWD" \
                -F "sCallerID=$CID" \
                -F "sSenderEmail=$EMAIL" \
                -F "sFaxFromHeader=$FROM" \
                -F "sFaxType=SINGLE" \
                -F "sToFaxNumber=1$faxto" \
                -F "sCPSubject=Oscar Fax" \
                -F "sRetries=3" \
                -F "sFileName_x=$bfile" \
                -F "sFileContent_x=<temp.b64" \
https://www.srfax.com/SRF_SecWebSvc.php)
                if [ -n "$json" ]; then
                    success=$(echo "${json}" | grep -Po "Success")
                    if [ -z "$success" ]; then
                        echo "#### ERROR: ${json} for ${f} " >> $FAXLOG
                        echo "exiting but renaming source file"
                        cp $f $f.fail
                    else
                        echo "${json} for" `basename ${f}`  >> $FAXLOG
                        rm $bfile;
                    fi
                else
                        echo "### ERROR: \$json is empty for ${f} " >> $FAXLOG
                        cp $f $f.fail
                fi
                rm $f;
                rm -f `echo $f | sed s"/prescription_/signature_/;s/.txt/.jpg/"`
                rm temp.b64
        done
else
        echo "No faxes found"
fi

Now a cron job