#! /bin/sh
# postinst script for diaspora-installer
# copied from postinst script for hplip
# $Id: hplip.postinst,v 1.1 2005/10/15 21:39:04 hmh Exp $
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
#
# quoting from the policy:
#     Any necessary prompting should almost always be confined to the
#     post-installation script, and should be protected with a conditional
#     so that unnecessary prompting doesn't happen if a package's
#     installation fails and the `postinst' is called with `abort-upgrade',
#     `abort-remove' or `abort-deconfigure'.


case "$1" in
  configure)
    # Source varibales
    . /etc/diaspora/diaspora-common.conf

    # Show debconf questions
    . /usr/share/debconf/confmodule
    . /usr/share/dbconfig-common/dpkg/postinst

    # Create diaspora user
    ${diaspora_scripts}/adduser.sh

    # Create assets cache directory
    mkdir -p /var/cache/diaspora
    chown ${diaspora_user}: /var/cache/diaspora

    # Create temporary directory
    mkdir -p /run/diaspora
    chown ${diaspora_user}:www-data /run/diaspora
    chmod 2750 /run/diaspora
    ln -fs /var/cache/diaspora /run/diaspora/cache
    runuser -u ${diaspora_user} -- sh -c 'mkdir -p /run/diaspora/pids'

    # Create writable directories and files
    su ${diaspora_user} -s /bin/sh -c 'mkdir -p  ~/.bundle ~/public ~/app-assets'
    su ${diaspora_user} -s /bin/sh -c 'touch  ~/Gemfile.lock'

    # Create private copy of diaspora.conf from example
    mkdir -p /var/lib/diaspora-common
    test -f ${diaspora_conf_private} ||\
    cp ${diaspora_conf_example} ${diaspora_conf_private}

    dbc_go diaspora-common "$@"

    cp -a -f ${diaspora_conf_private} ${diaspora_conf_private}.tmp

    # Read from debconf db
    db_get diaspora-common/url
    SERVERNAME=${RET}
    db_get diaspora-common/ssl
    ENVIRONMENT_REQUIRE_SSL=$RET
    ENVIRONMENT_URL="https:\/\/$SERVERNAME"
    if [ "$ENVIRONMENT_REQUIRE_SSL" = "false" ]; then
      ENVIRONMENT_URL="http:\/\/$SERVERNAME"
    fi
    db_get diaspora-common/letsencrypt
    diaspora_letsencrypt=$RET
    db_get diaspora-common/letsencrypt_email
    diaspora_letsencrypt_email=$RET

    # If the admin deleted or commented some variables but then set
    # them via debconf, (re-)add them to the conffile.
    test -z "$SERVERNAME" || grep -Eq '^ *SERVERNAME=' ${diaspora_conf_private} || \
        echo "SERVERNAME=" >> ${diaspora_conf_private}
    test -z "$ENVIRONMENT_URL" || grep -Eq '^ *ENVIRONMENT_URL=' ${diaspora_conf_private} || \
        echo "ENVIRONMENT_URL=" >> ${diaspora_conf_private}
    test -z "$ENVIRONMENT_REQUIRE_SSL" || grep -Eq '^ *ENVIRONMENT_REQUIRE_SSL=' ${diaspora_conf_private} || \
        echo "ENVIRONMENT_REQUIRE_SSL=" >> ${diaspora_conf_private}
    test -z "$diaspora_letsencrypt" || grep -Eq '^ *diaspora_letsencrypt=' ${diaspora_conf_private} || \
        echo "diaspora_letsencrypt=" >> ${diaspora_conf_private}
    test -z "$diaspora_letsencrypt_email" || grep -Eq '^ *diaspora_letsencrypt_email=' ${diaspora_conf_private} || \
        echo "diaspora_letsencrypt_email=" >> ${diaspora_conf_private}
    sed -e "s/^ *SERVERNAME=.*/SERVERNAME=\"$SERVERNAME\"/" \
        -e "s/^ *ENVIRONMENT_URL=.*/ENVIRONMENT_URL=\"$ENVIRONMENT_URL\"/" \
        -e "s/^ *ENVIRONMENT_REQUIRE_SSL=.*/ENVIRONMENT_REQUIRE_SSL=\"$ENVIRONMENT_REQUIRE_SSL\"/" \
        -e "s/^ *diaspora_letsencrypt=.*/diaspora_letsencrypt=\"$diaspora_letsencrypt\"/" \
        -e "s/^ *diaspora_letsencrypt_email=.*/diaspora_letsencrypt_email=\"$diaspora_letsencrypt_email\"/" \
            < ${diaspora_conf_private} > ${diaspora_conf_private}.tmp
        mv -f ${diaspora_conf_private}.tmp ${diaspora_conf_private}

    # Get ssl choice
    db_get diaspora-common/ssl
    if [ "${RET}" = "true" ]; then
        db_go
        # Configure nginx if available
        if which nginx > /dev/null 2>&1; then
            echo "SSL enabled, configuring nginx for ${SERVERNAME}..."
            /usr/lib/diaspora-common/scripts/set-env-nginx.sh ${SERVERNAME}
        else
            echo "nginx not installed, skipping configuration..."
        fi

        db_go

        # Check if letsencrypt option is selected
        if [ "$diaspora_letsencrypt" = "true" ]; then
	  echo "Configuring letsencrypt..."
          mkdir -p /etc/diaspora/ssl
          ln -sf /etc/letsencrypt/live/${SERVERNAME}/fullchain.pem \
          /etc/diaspora/ssl/${SERVERNAME}-bundle.pem
          ln -sf /etc/letsencrypt/live/${SERVERNAME}/privkey.pem \
          /etc/diaspora/ssl/${SERVERNAME}.key

	  # Check if certificate is already present
	  if [ -e /etc/letsencrypt/live/${SERVERNAME}/fullchain.pem ]; then
	    echo "Let's encrypt certificate already present."
	  else
	    # Port 80 and 443 should be available for letsencrypt
	    if command -v nginx > /dev/null; then
	      echo "Stopping nginx for letsencrypt..."
	      invoke-rc.d nginx stop
	    fi
	    LETSENCRYPT_CMD="letsencrypt --standalone --agree-tos -m $diaspora_letsencrypt_email -d ${SERVERNAME} certonly"
            $LETSENCRYPT_CMD || {
	    echo "letsencrypt auto configuration failed..."
	    echo "Stop your webserver and try running letsencrypt manually..."
	    echo "$LETSENCRYPT_CMD"
	    }
	  fi
        fi
    else
        db_go
        # Configure pod address.
        db_get diaspora-common/url
        # Configure nginx if available
        if which nginx > /dev/null 2>&1; then
            echo "SSL disabled, configuring nginx for ${SERVERNAME}..."
            /usr/lib/diaspora-common/scripts/set-env-nginx.sh ${SERVERNAME} nohttps
        else
            echo "nginx not installed, skipping configuration..."
        fi
    fi

    # Check if user want to connect to some third party services
    db_get diaspora-common/services
    echo "Services List"
    selectedservices=$RET
    echo $selectedservices
    if [ "$RET" != "" ]; then
      chmod go-r ${diaspora_conf_private}
      #Check if Facebook is selected
      servicename="Facebook"
      if [ "${selectedservices#*$servicename}" != "$RET" ]; then
        if ! grep SERVICES_FACEBOOK_ ${diaspora_conf_private}; then
          db_get diaspora-common/facebook_app_id
          facebook_app_id=$RET
          db_get diaspora-common/facebook_secret
          facebook_secret=$RET
          echo SERVICES_FACEBOOK_ENABLE=true >> ${diaspora_conf_private}
          echo SERVICES_FACEBOOK_APP_ID=$facebook_app_id >> ${diaspora_conf_private}
          echo SERVICES_FACEBOOK_SECRET=$facebook_secret >> ${diaspora_conf_private}
        fi
      fi
      servicename="Twitter"
      if [ "${selectedservices#*$servicename}" != "$selectedservices" ]; then
        if ! grep SERVICES_TWITTER_ ${diaspora_conf_private}; then
          db_get diaspora-common/twitter_key
          twitter_key=$RET
          db_get diaspora-common/twitter_secret
          twitter_secret=$RET
          echo SERVICES_TWITTER_ENABLE=true >> ${diaspora_conf_private}
          echo SERVICES_TWITTER_KEY=$twitter_key >> ${diaspora_conf_private}
          echo SERVICES_TWITTER_SECRET=$twitter_secret >> ${diaspora_conf_private}
        fi
      fi
      servicename="Tumblr"
      if [ "${selectedservices#*$servicename}" != "$selectedservices" ]; then
        if ! grep SERVICES_TUMBLR_ ${diaspora_conf_private}; then
          db_get diaspora-common/tumblr_key
          tumblr_key=$RET
          db_get diaspora-common/tumblr_secret
          tumblr_secret=$RET
          echo SERVICES_TUMBLR_ENABLE=true >> ${diaspora_conf_private}
          echo SERVICES_TUMBLR_KEY=$tumblr_key >> ${diaspora_conf_private}
          echo SERVICES_TUMBLR_SECRET=$tumblr_secret >> ${diaspora_conf_private}
        fi
      fi
      servicename="Wordpress"
      if [ "${selectedservices#*$servicename}" != "$selectedservices" ]; then
       if grep ! SERVICES_WORDPRESS_ ${diaspora_conf_private}; then
          db_get diaspora-common/wordpress_client_id
          wordpress_client_id=$RET
          db_get diaspora-common/wordpress_secret
          wordpress_secret=$RET
          echo SERVICES_WORDPRESS_ENABLE=true >> ${diaspora_conf_private}
          echo SERVICES_WORDPRESS_CLIENT_ID=$wordpress_client_id >> ${diaspora_conf_private}
          echo SERVICES_WORDPRESS_SECRET=$wordpress_secret >> ${diaspora_conf_private}
        fi
      fi
    fi
    ${diaspora_scripts}/grantpriv.sh
	    echo "Registering ${diaspora_conf} via ucf"
    ucf --debconf-ok --three-way ${diaspora_conf_private} ${diaspora_conf}
    ucfr diaspora-common ${diaspora_conf}
    chmod go-r ${diaspora_conf}
    ucf --debconf-ok --three-way ${diaspora_database_yml_private} ${diaspora_database_yml}
    ucfr diaspora-common ${diaspora_database_yml}
    chmod go-r ${diaspora_database_yml}
    chown ${diaspora_user}: ${diaspora_database_yml}
    mkdir -p ${diaspora_nginx_log}
    mkdir -p ${diaspora_log_dir}
    mkdir -p ${diaspora_home}
    chown -R ${diaspora_user}: ${diaspora_log_dir}
    db_stop

        ;;

    abort-upgrade|abort-remove|abort-deconfigure)
        ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
        ;;
esac


# Automatically added by dh_installinit/13.13
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "$(command -v systemd-tmpfiles)" ]; then
		systemd-tmpfiles ${DPKG_ROOT:+--root="$DPKG_ROOT"} --create diaspora.conf || true
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.13
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "$(command -v systemd-tmpfiles)" ]; then
		systemd-tmpfiles ${DPKG_ROOT:+--root="$DPKG_ROOT"} --create diaspora.conf || true
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.13
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "$(command -v systemd-tmpfiles)" ]; then
		systemd-tmpfiles ${DPKG_ROOT:+--root="$DPKG_ROOT"} --create diaspora.conf || true
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.13
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "$(command -v systemd-tmpfiles)" ]; then
		systemd-tmpfiles ${DPKG_ROOT:+--root="$DPKG_ROOT"} --create diaspora.conf || true
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.13
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "$(command -v systemd-tmpfiles)" ]; then
		systemd-tmpfiles ${DPKG_ROOT:+--root="$DPKG_ROOT"} --create diaspora.conf || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_start/13.13
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'diaspora-sidekiq.service' 'diaspora-unicorn.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.13
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "/etc/init.d/diaspora" ]; then
		update-rc.d diaspora defaults >/dev/null || exit 1
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.13
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "/etc/init.d/diaspora-sidekiq" ]; then
		update-rc.d diaspora-sidekiq defaults >/dev/null || exit 1
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.13
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "/etc/init.d/diaspora-unicorn" ]; then
		update-rc.d diaspora-unicorn defaults >/dev/null || exit 1
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.13
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "/etc/init.d/diaspora" ]; then
		update-rc.d diaspora defaults >/dev/null || exit 1
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.13
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -z "${DPKG_ROOT:-}" ] && [ -x "/etc/init.d/diaspora-common" ]; then
		update-rc.d diaspora-common defaults >/dev/null
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d diaspora-common $_dh_action || exit 1
	fi
fi
# End automatically added section


exit 0