ID=`id -u`

if [ "x$ID" != "x0" ]; then
  echo "Run as root!"
  exit 1
fi

if [ ! -x "/usr/bin/perl" ]; then
  echo "ERROR: System perl at /usr/bin/perl must be present before installation."
  exit 1
fi

MYDIR="$(cd "$(dirname "$0")" && pwd)"

. ./util/utilfunc.sh

for i in ./util/modules/*sh; do
	. $i
done

UNINSTALL="no"
SOFTWAREONLY="no"
SKIP_ACTIVATION_CHECK="no"
SKIP_UPGRADE_CHECK="no"
ALLOW_PLATFORM_OVERRIDE="no"
FORCE_UPGRADE="no"

usage() {
  echo "$0 [-r <dir> -l <file> -a <file> -u -s -c type -x -h] [defaultsfile]"
  echo ""
  echo "-h|--help               Usage"
  echo "-l|--license <file>     License file to install."
  echo "-a|--activation <file>  License activation file to install. [Upgrades only]"
  echo "-r|--restore <dir>      Restore contents of <dir> to localconfig"
  echo "-s|--softwareonly       Software only installation."
  echo "-u|--uninstall          Uninstall ZCS"
  echo "-x|--skipspacecheck     Skip filesystem capacity checks."
  echo "--beta-support          Allows installer to upgrade Network Edition Betas."
  echo "--platform-override     Allows installer to continue on an unknown OS."
  echo "--skip-activation-check Allows installer to continue if license activation checks fail."
  echo "--skip-upgrade-check    Allows installer to skip upgrade validation checks."
  echo "--force-upgrade         Force upgrade to be set to YES. Used if there is package installation failure for remote packages."
  echo "[defaultsfile]          File containing default install values."
  echo ""
  exit
}

while [ $# -ne 0 ]; do
  case $1 in
    -r|--restore|--config)
      shift
      RESTORECONFIG=$1
      ;;
    -l|--license)
      shift
      LICENSE=$1
      if [ x"$LICENSE" = "x" ]; then
        echo "Valid license file required for -l."
        usage
      fi

      if [ ! -f "$LICENSE" ]; then
        echo "Valid license file required for -l."
        echo "${LICENSE}: file not found."
        usage
      fi
      ;;
    -a|--activation)
      shift
      ACTIVATION=$1
      if [ x"$ACTIVATION" = "x" ]; then
        echo "Valid license activation file required for -a."
        usage
      fi

      if [ ! -f "$ACTIVATION" ]; then
        echo "Valid license activation file required for -a."
        echo "${ACTIVATION}: file not found."
        usage
      fi
      ;;
    -u|--uninstall)
      UNINSTALL="yes"
      ;;
    -s|--softwareonly)
      SOFTWAREONLY="yes"
      ;;
    -x|--skipspacecheck)
      SKIPSPACECHECK="yes"
      ;;
    -platform-override|--platform-override)
      ALLOW_PLATFORM_OVERRIDE="yes"
      ;;
    -beta-support|--beta-support)
      BETA_SUPPORT="yes"
      ;;
    -skip-activation-check|--skip-activation-check)
      SKIP_ACTIVATION_CHECK="yes"
      ;;
    -skip-upgrade-check|--skip-upgrade-check)
      SKIP_UPGRADE_CHECK="yes"
      ;;
    -force-upgrade|--force-upgrade)
      FORCE_UPGRADE="yes"
      UPGRADE="yes"
      ;;
    -h|-help|--help)
      usage
      ;;
    *)
      DEFAULTFILE=$1
      if [ ! -f "$DEFAULTFILE" ]; then
        echo "ERROR: Unknown option $DEFAULTFILE"
        usage
      fi
      ;;
  esac
  shift
done

. ./util/globals.sh

getPlatformVars

mkdir -p $SAVEDIR
chown zimbra:zimbra $SAVEDIR 2> /dev/null
chmod 750 $SAVEDIR

echo ""
echo "Operations logged to $LOGFILE"

if [ "x$DEFAULTFILE" != "x" ]; then
	AUTOINSTALL="yes"
else
	AUTOINSTALL="no"
fi

if [ x"$LICENSE" != "x" ] && [ -e $LICENSE ]; then
  if [ ! -d "/opt/zimbra/conf" ]; then
    mkdir -p /opt/zimbra/conf
  fi
  cp $LICENSE /opt/zimbra/conf/ZCSLicense.xml
  chown zimbra:zimbra /opt/zimbra/conf/ZCSLicense.xml 2> /dev/null
  chmod 444 /opt/zimbra/conf/ZCSLicense.xml
fi

if [ x"$ACTIVATION" != "x" ] && [ -e $ACTIVATION ]; then
  if [ ! -d "/opt/zimbra/conf" ]; then
    mkdir -p /opt/zimbra/conf
  fi
  cp $ACTIVATION /opt/zimbra/conf/ZCSLicense-activated.xml
  chown zimbra:zimbra /opt/zimbra/conf/ZCSLicense-activated.xml 2> /dev/null
  chmod 444 /opt/zimbra/conf/ZCSLicense-activated.xml
fi

checkExistingInstall

if [ x"$INSTALLED" != "xyes" ] && [ x"$ACTIVATION" != "x" ]; then
  echo "License activation file option is only available on upgrade."
  usage
fi

if [ x$UNINSTALL = "xyes" ]; then
	askYN "Completely remove existing installation?" "N"
	if [ $response = "yes" ]; then
		REMOVE="yes"
		findUbuntuExternalPackageDependencies
		saveExistingConfig
		removeExistingInstall
	fi
	exit 1
fi

displayLicense

displayThirdPartyLicenses

checkUser root

if [ $AUTOINSTALL = "yes" ]; then
	loadConfig $DEFAULTFILE
fi

checkRequired

installable_platform=$(cat ${MYDIR}/.BUILD_PLATFORM)

if [ x"$PLATFORM" = x"$installable_platform" -a x"${ALLOW_PLATFORM_OVERRIDE}" = "xyes" ]; then
  ALLOW_PLATFORM_OVERRIDE="no"
fi

if [ x"${ALLOW_PLATFORM_OVERRIDE}" = "xno" ]; then
  configurePackageServer
fi

checkPackages

if [ $AUTOINSTALL = "no" ]; then
  setRemove

  getInstallPackages

  if [ x"$PLATFORM" != x"$installable_platform" ]; then
    echo ""
    echo "You appear to be installing packages on a platform different"
    echo "than the platform for which they were built."
    echo ""
    echo "This platform is $PLATFORM"
    echo "Packages found: $installable_platform"
    echo "This may or may not work."
    echo ""

    if [ x"${ALLOW_PLATFORM_OVERRIDE}" = "xyes" ]; then

    	echo "Using packages for a platform in which they were not designed for"
    	echo "may result in an installation that is NOT usable. Your support"
    	echo "options may be limited if you choose to continue."
        echo "You will also be responsible for configuring the system to point"
        echo "at an appropriate package repository for third party."
    	echo ""
    	askYN "Install anyway?" "N"
    	if [ $response = "no" ]; then
    		echo "Exiting..."
    		exit 1
    	fi
    else
    	echo "Installation can not continue without manual override."
    	echo "You can override this safety check with $0 --platform-override"
    	echo ""
    	echo "WARNING: Bypassing this check may result in an install or"
    	echo "upgrade that is NOT usable."
    	echo ""
    	exit 1
    fi
  fi

  verifyExecute

else
  checkVersionMatches
  if [ $VERSIONMATCH = "no" ]; then
    if [ $UPGRADE = "yes" ]; then
      echo ""
      echo "###ERROR###"
      echo ""
      echo "There is a mismatch in the versions of the installed schema"
      echo "or index and the version included in this package"
      echo ""
      echo "Automatic upgrade cancelled"
      echo ""
      exit 1
    fi
  fi
fi


D=`date +%s`
echo "${D}: INSTALL SESSION START" >> /opt/zimbra/.install_history
installPackages

D=`date +%s`
echo "${D}: INSTALL SESSION COMPLETE" >> /opt/zimbra/.install_history

if [ x$RESTORECONFIG != "x" ]; then
	SAVEDIR=$RESTORECONFIG
fi

if [ x$SAVEDIR != "x" -a x$REMOVE = "xno" ]; then
    setDefaultsFromExistingConfig
fi

if [ $UPGRADE = "yes" ]; then
	restoreExistingConfig
	restoreCerts
 
fi

if [ "x$LICENSE" != "x" ] && [ -f "$LICENSE" ]; then
  echo "Installing /opt/zimbra/conf/ZCSLicense.xml"
  if [ ! -d "/opt/zimbra/conf" ]; then
    mkdir -p /opt/zimbra/conf
  fi
  cp -f $LICENSE /opt/zimbra/conf/ZCSLicense.xml
  chown zimbra:zimbra /opt/zimbra/conf/ZCSLicense.xml
  chmod 644 /opt/zimbra/conf/ZCSLicense.xml
fi
if [ "x$ACTIVATION" != "x" ] && [ -f "$ACTIVATION" ]; then
  echo "Installing /opt/zimbra/conf/ZCSLicense.xml"
  if [ ! -d "/opt/zimbra/conf" ]; then
    mkdir -p /opt/zimbra/conf
  fi
  cp -f $ACTIVATION /opt/zimbra/conf/ZCSLicense-activated.xml
  chown zimbra:zimbra /opt/zimbra/conf/ZCSLicense-activated.xml
  chmod 644 /opt/zimbra/conf/ZCSLicense-activated.xml
fi


if [ $SOFTWAREONLY = "yes" ]; then

	echo ""
	echo "Software Installation complete!"
	echo ""
	echo "Operations logged to $LOGFILE"
	echo ""

	exit 0
fi


if [ "x$DEFAULTFILE" != "x" ]; then
	/opt/zimbra/libexec/zmsetup.pl -c $DEFAULTFILE
else
	/opt/zimbra/libexec/zmsetup.pl
fi
RC=$?
if [ $RC -ne 0 ]; then
	exit $RC
fi