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#!/bin/bash
####################################################################
# One-click Desktop & Browser Access Setup v0.0.1 #
# Written by shc (https://qing.su) #
# Github link: https://github.com/Har-Kuun/OneClickDesktop #
# Contact me: https://t.me/hsun94 E-mail: hi@qing.su #
# #
# This script is distributed in the hope that it will be #
# useful, but ABSOLUTELY WITHOUT ANY WARRANTY. #
# #
# Thank you for using this script. #
####################################################################
#You can change the Guacamole source file download link here.
#Check https://guacamole.apache.org/releases/ for the latest stable version.
GUACAMOLE_DOWNLOAD_LINK="https://mirrors.ocf.berkeley.edu/apache/guacamole/1.2.0/source/guacamole-server-1.2.0.tar.gz"
GUACAMOLE_VERSION="1.2.0"
#By default, this script only works on Ubuntu 18/20 and Debian 9/10.
#You can disable the OS check switch below and tweak the code yourself to try to install it in other OS versions.
#Please do note that if you choose to use this script on OS other than Ubuntu 18/20 or Debian 9/10, you might mess up your OS. Please keep a backup of your server before installation.
OS_CHECK_ENABLED=ON
#########################################################################
# Functions start here. #
# Do not change anything below unless you know what you are doing. #
#########################################################################
function check_OS
{
if [ -f /etc/lsb-release ]
then
cat /etc/lsb-release | grep "DISTRIB_RELEASE=18." >/dev/null
if [ $? = 0 ]
then
OS=UBUNTU18
else
cat /etc/lsb-release | grep "DISTRIB_RELEASE=20." >/dev/null
if [ $? = 0 ]
then
OS=UBUNTU20
else
say "Sorry, this script only supports Ubuntu 18, 20 and Debian 10." red
echo
exit 1
fi
fi
elif [ -f /etc/debian_version ] ; then
cat /etc/debian_version | grep "^10." >/dev/null
if [ $? = 0 ] ; then
OS=DEBIAN10
else
say "Sorry, this script only supports Ubuntu 18, 20 and Debian 10." red
echo
exit 1
fi
else
say "Sorry, this script only supports Ubuntu 18, 20 and Debian 10." red
echo
exit 1
fi
}
function say
{
#This function is a colored version of the built-in "echo."
#https://github.com/Har-Kuun/useful-shell-functions/blob/master/colored-echo.sh
echo_content=$1
case $2 in
black | k ) colorf=0 ;;
red | r ) colorf=1 ;;
green | g ) colorf=2 ;;
yellow | y ) colorf=3 ;;
blue | b ) colorf=4 ;;
magenta | m ) colorf=5 ;;
cyan | c ) colorf=6 ;;
white | w ) colorf=7 ;;
* ) colorf=N ;;
esac
case $3 in
black | k ) colorb=0 ;;
red | r ) colorb=1 ;;
green | g ) colorb=2 ;;
yellow | y ) colorb=3 ;;
blue | b ) colorb=4 ;;
magenta | m ) colorb=5 ;;
cyan | c ) colorb=6 ;;
white | w ) colorb=7 ;;
* ) colorb=N ;;
esac
if [ "x${colorf}" != "xN" ] ; then
tput setaf $colorf
fi
if [ "x${colorb}" != "xN" ] ; then
tput setab $colorb
fi
printf "${echo_content}" | sed -e "s/@B/$(tput bold)/g"
tput sgr 0
printf "\n"
}
function determine_system_variables
{
CurrentUser="$(id -u -n)"
CurrentDir=$(pwd)
HomeDir=$HOME
}
function install_guacamole
{
echo
say @B"Setting up dependencies..." yellow
echo
apt-get update && apt-get upgrade -y
apt-get install wget curl sudo zip unzip tar perl expect build-essential libcairo2-dev libpng-dev libtool-bin libossp-uuid-dev libvncserver-dev freerdp2-dev libssh2-1-dev libtelnet-dev libwebsockets-dev libpulse-dev libvorbis-dev libwebp-dev libssl-dev libpango1.0-dev libswscale-dev libavcodec-dev libavutil-dev libavformat-dev tomcat9 tomcat9-admin tomcat9-common tomcat9-user -y
if [ "$OS" = "DEBIAN10" ] ; then
apt-get install libjpeg62-turbo-dev -y
else
apt-get install libjpeg-turbo8-dev -y
fi
wget $GUACAMOLE_DOWNLOAD_LINK
tar zxf guacamole-server-${GUACAMOLE_VERSION}.tar.gz
rm -f guacamole-server-${GUACAMOLE_VERSION}.tar.gz
cd $CurrentDir/guacamole-server-$GUACAMOLE_VERSION
echo "Start building Guacamole Server from source..."
./configure --with-init-dir=/etc/init.d
if [ -f $CurrentDir/guacamole-server-$GUACAMOLE_VERSION/config.status ] ; then
say @B"Dependencies met!" green
say @B"Compiling now..." green
echo
else
echo
say "Missing dependencies." red
echo "Please check log, install required dependencies, and run this script again."
echo "Please also consider to report your log here https://github.com/Har-Kuun/OneClickDesktop/issues so that I can fix this issue."
echo "Thank you!"
echo
exit 1
fi
sleep 2
make
make install
ldconfig
echo "Trying to start Guacamole Server for the first time..."
echo "This can take a while..."
echo
systemctl daemon-reload
systemctl start guacd
systemctl enable guacd
ss -lnpt | grep guacd >/dev/null
if [ $? = 0 ] ; then
say @B"Guacamole Server successfully installed!" green
echo
else
say "Guacamole Server installation failed." red
say @B"Please check the above log for reasons." yellow
echo "Please also consider to report your log here https://github.com/Har-Kuun/OneClickDesktop/issues so that I can fix this issue."
echo "Thank you!"
exit 1
fi
}
function install_guacamole_web
{
echo
echo "Start installaing Guacamole Web Application..."
cd $CurrentDir
wget https://downloads.apache.org/guacamole/$GUACAMOLE_VERSION/binary/guacamole-$GUACAMOLE_VERSION.war
mv guacamole-$GUACAMOLE_VERSION.war /var/lib/tomcat9/webapps/guacamole.war
systemctl restart tomcat9 guacd
echo
say @B"Guacamole Web Application successfully installed!" green
echo
}
function configure_guacamole
{
echo
say @B"Please input your username:" yellow
read guacamole_username
echo
say @B"Please input your password:" yellow
read guacamole_password_prehash
echo
read guacamole_password_md5 <<< $(echo -n $guacamole_password_prehash | md5sum | awk '{print $1}')
while [ ${#vnc_password} != 8 ] ; do
say @B"Please input your 8-character VNC password:" yellow
read vnc_password
done
echo "Please note that VNC password is NOT needed for browser access."
sleep 3
echo
mkdir /etc/guacamole/
cat > /etc/guacamole/guacamole.properties <<END
guacd-hostname: localhost
guacd-port: 4822
auth-provider: net.sourceforge.guacamole.net.basic.BasicFileAuthenticationProvider
basic-user-mapping: /etc/guacamole/user-mapping.xml
END
cat > /etc/guacamole/user-mapping.xml <<END
<user-mapping>
<authorize
username="$guacamole_username"
password="$guacamole_password_md5"
encoding="md5">
<connection name="default">
<protocol>vnc</protocol>
<param name="hostname">localhost</param>
<param name="port">5901</param>
<param name="password">$vnc_password</param>
</connection>
</authorize>
</user-mapping>
END
systemctl restart tomcat9 guacd
say @B"Guacamole successfully configured!" green
echo
}
function install_desktop
{
echo
echo "Starting to install desktop, browser, and VNC server..."
say @B"Please note that if you are asked to configure LightDM during this step, simply press Enter." yellow
echo
echo "Press Enter to continue."
read catch_all
echo
if [ "$OS" = "DEBIAN10" ] ; then
apt-get install xfce4 xfce4-goodies firefox-esr tigervnc-standalone-server -y
else
apt-get install xfce4 xfce4-goodies firefox tigervnc-standalone-server -y
fi
say @B"Desktop, browser, and VNC server successfully installed." green
echo "Starting to configure VNC server..."
sleep 2
echo
mkdir $HomeDir/.vnc
cat > $HomeDir/.vnc/xstartup <<END
#!/bin/bash
xrdb $HomeDir/.Xresources
startxfce4 &
END
cat > /etc/systemd/system/vncserver@.service <<END
[Unit]
Description=a wrapper to launch an X server for VNC
After=syslog.target network.target
[Service]
Type=forking
User=$CurrentUser
Group=$CurrentUser
WorkingDirectory=$HomeDir
ExecStartPre=-/usr/bin/vncserver -kill :%i > /dev/null 2>&1
ExecStart=/usr/bin/vncserver -depth 24 -geometry 1280x800 -localhost :%i
ExecStop=/usr/bin/vncserver -kill :%i
[Install]
WantedBy=multi-user.target
END
vncpassbinpath=/usr/bin/vncpasswd
/usr/bin/expect <<END
spawn "$vncpassbinpath"
expect "Password:"
send "$vnc_password\r"
expect "Verify:"
send "$vnc_password\r"
expect "Would you like to enter a view-only password (y/n)?"
send "n\r"
expect eof
exit
END
vncserver
sleep 2
vncserver -kill :1
systemctl start vncserver@1.service
systemctl enable vncserver@1.service
echo
ss -lnpt | grep vnc > /dev/null
if [ $? = 0 ] ; then
say @B"VNC and desktop successfully configured!" green
echo
else
say "VNC installation failed!" red
say @B"Please check the above log for reasons." yellow
echo "Please also consider to report your log here https://github.com/Har-Kuun/OneClickDesktop/issues so that I can fix this issue."
echo "Thank you!"
exit 1
fi
}
function display_license
{
echo
echo '*******************************************************************'
echo '* One-click Desktop & Browser Access Setup Script *'
echo '* Version 0.0.1 *'
echo '* Author: shc (Har-Kuun) https://qing.su *'
echo '* https://github.com/Har-Kuun/OneClickDesktop *'
echo '* Thank you for using this script. E-mail: hi@qing.su *'
echo '*******************************************************************'
echo
}
function install_reverse_proxy
{
echo
say @B"Setting up Nginx reverse proxy..." yellow
sleep 2
apt-get install nginx certbot python3-certbot-nginx -y
say @B"Nginx successfully installed!" green
echo
echo "Please tell me your domain name (e.g., desktop.qing.su):"
read guacamole_hostname
cat > /etc/nginx/conf.d/guacamole.conf <<END
server {
listen 80;
listen [::]:80;
server_name $guacamole_hostname;
access_log /var/log/nginx/guac_access.log;
error_log /var/log/nginx/guac_error.log;
location / {
proxy_pass http://127.0.0.1:8080/guacamole/;
proxy_buffering off;
proxy_http_version 1.1;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header Upgrade \$http_upgrade;
proxy_set_header Connection \$http_connection;
proxy_cookie_path /guacamole/ /;
}
}
END
systemctl reload nginx
echo
echo "Would you like to install a free Let's Encrypt certificate for domain name ${guacamole_hostname}? [Y/N]"
say @B"Please point your domain name to this server IP BEFORE continuing!" yellow
echo "Type Y if you are sure that your domain is now pointing to this server IP."
read confirm_letsencrypt
echo
if [ "x$confirm_letsencrypt" = "xY" ] || [ "x$confirm_letsencrypt" = "xy" ] ; then
echo "Please input an e-mail address:"
read le_email
certbot --nginx --agree-tos --redirect --hsts --staple-ocsp --email $le_email -d $guacamole_hostname
echo
if [ -f /etc/letsencrypt/live/$guacamole_hostname/fullchain.pem ] ; then
say @B"Congratulations! Let's Encrypt SSL certificate installed successfully!" green
say @B"You can now access your desktop at https://${guacamole_hostname}!" green
else
say "Oops! Let's Encrypt SSL certificate installation failed." red
say @B"Please manually try \"certbot --nginx --agree-tos --redirect --hsts --staple-ocsp --email $le_email -d $guacamole_hostname\" later." yellow
say @B"You can now access your desktop at http://${guacamole_hostname}!" green
fi
else
say @B"No problem! If you would like to install a Let's Encrypt certificate later, please run \"certbot --nginx --agree-tos --redirect --hsts --staple-ocsp -d $guacamole_hostname\" manually." yellow
say @B"You can now access your desktop at http://${guacamole_hostname}!" green
fi
say @B"Your username is $guacamole_username and your password is $guacamole_password_prehash." green
}
function main
{
display_license
check_OS
echo "This script is going to install a desktop environment with browser access."
echo
say @B"This environment requires at least 1 GB of RAM." yellow
echo
echo "Would you like to proceed? [Y/N]"
read confirm_installation
if [ "x$confirm_installation" = "xY" ] || [ "x$confirm_installation" = "xy" ] ; then
determine_system_variables
install_guacamole
install_guacamole_web
configure_guacamole
install_desktop
install_reverse_proxy
fi
echo
echo "Thank you for using this script written by https://qing.su!"
echo "Have a nice day!"
}
###############################################################
# #
# The main function starts here. #
# #
###############################################################
main
exit 0