copy_certificates

#! /bin/bash

proxy_exists(){
    echo "Check for certificates in $HOME/.globus"
    echo "..."
    if [ -d "$HOME/.globus" ]; then
        if [ -a "$HOME/.globus/usercert.pem" ] && [ -a "$HOME/.globus/userkey.pem" ]; then
            echo "Certificates exist. Doing nothing."
            return 0
        fi
    fi
    echo "Couldn't find any certificates."
    return 1
}

read -d '' USAGE <<"EOF"
\\t\\t\\t=================================================================================
\\t\\t\\tThis script checks if you have globus certificates or lets you
\\t\\t\\tcopy them from another machine otherwise (default: lxplus.cern.ch)
\\t\\t\\tNOTE: New certificates need to be requested first. Follow this Twiki for that:
\\t\\t\\t
\\t\\t\\thttps://twiki.cern.ch/twiki/bin/view/CMSPublic/WorkBookStartingGrid#ObtainingCert
\\t\\t\\t=================================================================================\\n\\n
EOF

echo -e "$USAGE"

if proxy_exists; then
    exit
fi

echo "Copying certificates from another machine"
echo "Note: This requires certificates to be under the standard \$HOME/.globus location"
echo -e "...\n\n\n"

hostname='lxplus.cern.ch'
read -e -p "Enter hostname of machine to login: " -i "lxplus.cern.ch" input
hostname="${input:-$name}"


read -e -p "Enter username for $hostname: " username

if [ ! -d "$HOME/.globus" ]; then
    mkdir "$HOME/.globus"
fi
scp -p -r "$username@$hostname:./.globus/*" "$HOME/.globus"

res=$?

if [ "$res" = "0" ]; then
 
    echo -e "All Done..."
    echo -e "You can execute the following to initialize your proxy: \n"
    echo -e "voms-proxy-init -voms cms -valid 192:00"
else
    echo -e "There were problems copying the certificate from the remote machine."
    echo -e "For help you can contact the people listed at http://lpc.fnal.gov/computing/gethelp.shtml"
fi

exit $res