install.sh

#!/usr/bin/env bash

INSTALLPATH="/opt/PiNet-Screens"


if [[ "$(id -u)" != "0" ]]; then  #Check if script is being run as root
   echo $"This script must be run with sudo bash" 1>&2
   exit 1
fi
if [[ ! "$BASH_VERSION" ]] ; then   #Checks that PiNet is being run using bash and not ash (aka sh)
	whiptail --title $"Shell error" --msgbox $"Please do not run PiNet with sudo sh $0. Please run it with bash using     sudo bash $0" 8 78
    echo $"Please do not run PiNet Screens installer with sh $0. Please run it with bash using     sudo bash $0" 1>&2
    exit 1
fi

ReplaceAnyTextOnLine(){
# ReplaceTextLine /textfile bob brian
#REMEMBER!! The & symbol can't be in any of the strings as SED is using it for separating. Can change it if need be
        egrep -i "$2" $1 >> /dev/null
        if [ $? -eq 0 ]; then
                sed -i "s&.*$2.*&$3&g" $1
                return 0
        else
                echo "$3" >> $1
                return 1
        fi

}


LOGO=$(cat <<-END

       
           
           
              
                          
                                
                                  
                                  
                                     
                                        
                                           
                                             
                                             
                                            
                                         
                                      
                                      
                                      
                                     
                                    
                            
                        
                 
              
         

END
)



echo "$LOGO"

echo ""
echo ""
echo "#################################################################################################################"
echo "This script will install the PiNet screens application."
echo "Note that the defaults used by the application assume the only PiNet Pis being used are used for display screens."

read -r -p "Are you sure? [y/N] " response
case "$response" in
    [yY][eE][sS]|[yY])
        echo "Installing..."
        ;;
    *)
        exit 1
        ;;
esac

cd ../

if [[ -d "$INSTALLPATH" ]]; then
    cd $INSTALLPATH
    git pull
else
    git clone https://github.com/PiNet/PiNet-Screens /opt/PiNet-Screens
fi
if [[ ! -f ${INSTALLPATH}/pinet_screens/secrets/config.py ]]; then
    cp ${INSTALLPATH}/pinet_screens/secrets/config_example.py ${INSTALLPATH}/pinet_screens/secrets/config.py
else
    echo "Config file already exists, not overriding at ${INSTALLPATH}/pinet_screens/secrets/config.py"
fi

echo "Installing required packages..."
sudo apt install authbind -y
pip3 install -r ${INSTALLPATH}/pinet_screens/requirements.txt
(cd ${INSTALLPATH}/pinet_screens/ && sudo python3 create_user.py)

echo "Adding pinetscreens user..."
useradd -r pinetscreens

sudo chown -R pinetscreens:pinetscreens /opt/PiNet-Screens/

rm -f /etc/systemd/system/pinetscreens.service
cp $INSTALLPATH/scripts/pinetscreens.service /etc/systemd/system/pinetscreens.service
touch /etc/authbind/byport/80
chown pinetscreens:pinetscreens /etc/authbind/byport/80
chmod 755 /etc/authbind/byport/80


# Setup shared folder that is used

mkdir /home/shared/screens
mkdir /home/shared/screens/scripts/
chown pinetscreens:pinetscreens /home/shared/screens
chown :pinetscreens /opt/ltsp/armhf/etc/lts.conf
chmod 664 /opt/ltsp/armhf/etc/lts.conf

chmod 0700 /home/shared/screens
ReplaceAnyTextOnLine /usr/local/bin/bindfs-mount "/home/shared/screens" "bindfs -o perms=0775,force-group=teacher /home/shared/screens /home/shared/screens"

echo ""
echo "######################"
echo "Starting PiNet Screens"
echo "######################"
echo ""

systemctl daemon-reload

systemctl start pinetscreens
systemctl enable pinetscreens

su -c "sensible-browser localhost" - $SUDO_USER &


echo ""
echo "######################"
echo "Installation Complete!"
echo "######################"
echo ""
echo "You can access PiNet Screens by navigating to localhost in a web browser, or this machines IP address from another computer on the network"