# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

# TODO:
# 2- when upgrading the package all the new crypt keys are regenerated. this make
#    password stored into /etc/vhcs2/vhcs2.conf not valide. to fix the problem
#    the ebuild must able to take previous crypt keys and save over the new one.
# 3- add into pkg_config() a check for the right php.ini include_path (/usr/share/php/ and /usr/share/php/smarty?)
# 5- force the vhosts USE flag
# 6- if the dir /etc/vhcs2/ exists skip the creation of new configuration files.
# 9- add patch for amd64 compilation
# 10- CODE_PHP=/usr/sbin/encode-file ??????
# TODO: FIX and backup of /etc/vhcs/vhcs2.conf
# TODO: fix etc/init.d/vhcs2_daemon creation.

inherit eutils webapp webapp-apache depend.php depend.apache

DESCRIPTION="VHCS is a Professional Control Panel Software for server management"
HOMEPAGE="http://www.vhcs.net/"
SRC_URI="mirror://sourceforge/${PN}/${PN}2-${PV}.tar.bz2
		mirror://sourceforge/${PN}/${PN}_patch_2006-02-09.tar.bz2"

ROOT_PATH="/usr/share/webapps/${PN}/${PV}-${PR}/htdocs"

WEBAPP_MANUAL_SLOT="yes"
LICENSE="GPL-2"
KEYWORDS="~x86 ~amd64"
IUSE="mysql postgres"

need_php5
need_apache2

DEPEND=">=sys-apps/sed-4
	sys-apps/gawk
	>=dev-lang/perl-5.8.2"

RDEPEND="
	dev-perl/MIME-tools
	virtual/perl-MIME-Base64
	virtual/perl-Digest-MD5
	dev-perl/crypt-cbc
	dev-perl/Crypt-Blowfish
	dev-perl/DBI
	dev-perl/Crypt-PasswdMD5
	dev-perl/Date-Calc
	dev-perl/DateManip
	dev-perl/IO-stringy
	dev-perl/Mail-Sendmail
	dev-perl/MailTools
	dev-perl/Net-DNS
	dev-perl/Net-Netmask
	perl-core/libnet
	dev-perl/SNMP_Session
	dev-perl/TermReadKey
	dev-perl/Term-ReadPassword
	dev-perl/TimeDate
	mail-mta/postfix
	dev-libs/cyrus-sasl
	net-mail/courier-imap
	mail-filter/maildrop
	net-dns/bind
	net-ftp/proftpd
	net-firewall/iptables
	net-www/apache
	virtual/php
	dev-php/adodb
	dev-php/smarty
	crypt? ( dev-libs/libmcrypt )
	mysql? ( >=dev-db/mysql-4.0.1
			 dev-perl/DBD-mysql )
	postgres? ( >=dev-db/postgresql-8.0
			    >=dev-perl/DBD-Pg-1.31 )"

S="${WORKDIR}/${PN}2-${PV}"

pkg_setup() {
	overlay_pkg_setup

	# checking for right PHP use flags
	local PHP_USE_FLAGS="wddx gd $(use crypt && echo crypt) $(use mysql && echo mysqli mysql) $(use postgres && echo postgres)"
	if ! PHPCHECKNODIE="yes" require_php_with_use ${PHP_USE_FLAGS} ; then
		echo
		eerror "Please re-install ${PHP_PKG} with these required USE enabled:"
		eerror "${PHP_USE_FLAGS}"
		ebeep 3
		die
	fi

	# checking for right Postfix use flags
	local POSTFIX_USE_FLAGS="ssl sasl hardened $(use mysql && echo mysql) $(use postgres && echo postgres)"
	if ! built_with_use mail-mta/postfix ${POSTFIX_USE_FLAGS}; then
		echo
		eerror "Please re-install mail-mta/postfix with these required USE enabled:"
		eerror "${POSTFIX_USE_FLAGS}"
		ebeep 3
		die
	fi

	# checking for right ProFTPd use flags
	local PROFTPD_USE_FLAGS="ssl hardened softquota $(use mysql && echo mysql) $(use postgres && echo postgres)"
	if ! built_with_use net-ftp/proftpd ${PROFTPD_USE_FLAGS}; then
		echo
		eerror "Please re-install net-ftp/proftpd with these required USE enabled:"
		eerror "${PROFTPD_USE_FLAGS}"
		ebeep 3
		die
	fi

	# checking for right Courier Authlib use flags
	local COURIERAUTHLIB_USE_FLAGS="$(use crypt && echo crypt) $(use mysql && echo mysql) $(use postgres && echo postgres)"
	if ! built_with_use net-libs/courier-authlib ${COURIERAUTHLIB_USE_FLAGS}; then
		echo
		eerror "Please re-install net-libs/courier-authlib with these required USE enabled:"
		eerror "${COURIERAUTHLIB_USE_FLAGS}"
		ebeep 3
		die
	fi

	# checking for right Libnet use flags
	if ! built_with_use perl-core/libnet sasl; then
		echo
		eerror "Please re-install perl-core/libnet with the required USE \"sasl\" enabled"
		ebeep 3
		die
	fi

	# checking for right Cyrus SASL use flags
	local CYRUSSASL_USE_FLAGS="ssl $(use crypt && echo crypt) $(use mysql && echo mysql) $(use postgres && echo postgres)"
	if ! built_with_use dev-libs/cyrus-sasl ${CYRUSSASL_USE_FLAGS}; then
		echo
		eerror "Please re-install dev-libs/cyrus-sasl with these required USE enabled:"
		eerror "${CYRUSSASL_USE_FLAGS}"
		ebeep 3
		die
	fi

	# this is really necessary?
	enewgroup vhcs
	enewuser vhcs -1 -1 /var/lib/vhcs vhcs
}

src_unpack() {
	unpack ${A}
	cd ${S}

	# Install security patches.
	# for infos see: http://vhcs.net/new/modules/news/article.php?storyid=25
	ebegin "Installing security patch"
		cp ../${PN}_patch_2006-02-09/gui/include/login.php gui/include/login.php
	eend $?
	
	# FIX: Crypt::CBC key lenght error, default setup is 56 but 32 is required by VHCS.
	epatch ${FILESDIR}/${PN}-${PV}-common_code.patch || die "failed to patch vhcs2_common_code.pl"
	
	# various fixes for PHP code:
	# - enable PHP Error Reporting (E_ALL)
	# - fix wrong 'call by reference' usage
	# - fix uebimiau webmail files with short PHP tags: <? (<?php is a more portable way)
	# - fix uebimiau wrong usage of the PHP function: Header()
	# - fix PHP warning about missing $theme variable into VHCS Filemanager tool
	epatch ${FILESDIR}/${PN}-${PV}-php5.patch || die "failed to patch gui/include/vhcs-lib.php"

	# FIX: VHCS have a bundled ADODB package, but it's better to use the package 
	#      from portage (dev-php/adodb), because it's more updated and can grant
	#      more stability and security rather than the bundled one.
	rm -rf ${S}/gui/include/adodb/
	epatch ${FILESDIR}/${PN}-${PV}-adodb_paths_fix.patch || die "failed to patch gui/include/sql.php"

	# seding to avoid hardcoded absolute path(s) (/var/www/vhcs2)
	sed -i -e "s:/var/www/vhcs2:${ROOT_PATH}:" ${S}/configs/apache/httpd.conf || die "seeding apache/http.conf"
	sed -i -e "s:/var/www/vhcs2:${ROOT_PATH}:" ${S}/configs/apache/parts/vhcs2_base.tpl || die "seeding parts/vhcs2_base.tpl"
	sed -i -e "s:/var/www/vhcs2:${ROOT_PATH}:" ${S}/configs/apache/working/vhcs2.conf || die "seeding working/vhcs2.conf"
	sed -i -e "s:/var/www/vhcs2/daemon:${ROOT_PATH}/bin:" ${S}/configs/init.d/vhcs2_daemon || die "seeding init.d/vhcs2_daemon"
	sed -i -e "s:/var/www/vhcs2:${ROOT_PATH}:" ${S}/configs/logrotate/vhcs2 || die "seeding logrotate/vhcs2"
	sed -i -e "s:/var/www/vhcs2:${ROOT_PATH}:" ${S}/configs/postfix/master.cf || die "seeding master.cf"
	sed -i -e "s:/var/www/vhcs2:${ROOT_PATH}:" ${S}/configs/postfix/master.cf || die "seeding master.cf"
	sed -i -e "s:/var/www/vhcs2:${ROOT_PATH}:" ${S}/gui/admin/reseller_fix.php || die "seeding reseller_fix.php"

	# FIX: portage sandbox
	sed -i -e "s:INST_PREF=/tmp/vhcs-2.4.7.1:INST_PREF=${D}:" \
		   -e "s:/var/www/vhcs2:${MY_HTDOCSDIR}:" \
		   -e "s:SYSTEM_MAKE_DIRS=/usr/sbin/vhcs2-mkdirs.pl:SYSTEM_MAKE_DIRS=${D}usr/sbin/vhcs2-mkdirs.pl:" ${S}/Makefile
	sed -i -e "s:./vhcs2-mkdirs.pl /usr/sbin:./vhcs2-mkdirs.pl ${D}usr/sbin/vhcs2-mkdirs.pl:" ${S}/tools/build/Makefile

	# FIX: make VHCS Apache configuration file compliant to Gentoo standards.
	sed -i -e "s:/apache2/sites-available:/apache2/vhosts.d:" ${S}/configs/apache/Makefile

	# FIX: VHCS Setup Tool (engine/setup/vhcs2-setup) call the binary "a2ensite"
	#      but it's a specific Debian binary, Gentoo do not have it, so we need to
	#      remove the call from the script. p.s.: the patch fix also a little typo.
	# FIX: removed from the VHCS Setup Tool all the call to 'vhcs2_daemon' and 'vhcs2_network'
	#      because are specific debian init script(s), and Gentoo do not need them.
	epatch ${FILESDIR}/${PN}-${PV}-vhcs2-setup.patch || die "failed to patch engine/setup/vhcs2-setup"

	# FIX: substitute the deprecated ProFTPd directive "DisplayFirstChdir" with 
	#      the new one "DisplayChdir" (required by proftp-1.3.x)
	sed -i -e "s:DisplayFirstChdir:DisplayChdir:" ${S}/configs/proftpd/proftpd.conf

	# FIX: remove not necessary debian specific init scripts.
	epatch ${FILESDIR}/${PN}-${PV}-init.patch || die "failed to patch configs/Makefile"
	rm -rf ${S}/configs/init.d/
}

src_compile() {

	# VHCS Makefile(s) do not have a general make directive, but have only a "make install".
	# We can safely skip this process and go to the installation section.
	einfo "${PN/vhcs/VHCS Pro} v${PV} - Spartacus"
}

src_install() {

	# pre installation
	webapp_src_preinst

	# install documentation
	dodoc ${S}/CHANGELOG
	dodoc ${S}/docs

	# FIX: create required dirs
	#      VHCS Makefile(s) are not portage sandbox compliant,
	#      so we need to manualy take care of it.
	dodir /usr/sbin
	dodir /etc/vhcs2
	dodir /var/log/vhcs2

	# before to install the new VHCS2 config file,
	# check if exists a previous one, and try to backup it.
	local oldname="/etc/vhcs2/vhcs2.conf"
	if ! [[ -f ${oldname} ]]; then
		ebegin "First time installation, patching /etc/vhcs2.conf"
			webapp-determine-installowner
			sed -i -e "s:MR_LOCK_FILE = /tmp/vhcs2.lock:MR_LOCK_FILE = /var/run/vhcs2.lock:" \
				   -e "s:/var/www/vhcs2: ${ROOT_PATH}:" \
				   -e "s:APACHE_CONF_FILE = /etc/apache2/sites-available/vhcs2.conf:APACHE_CONF_FILE = /etc/apache2/vhosts.d/vhcs2.conf:" \
				   -e "s:APACHE_USER = www-data:APACHE_USER = ${HTTPD_USER}:" \
				   -e "s:APACHE_GROUP = www-data:APACHE_GROUP = ${HTTPD_GROUP}:" \
				   -e "s:AUTHLIB_CONF_DIR = /etc/courier:AUTHLIB_CONF_DIR = /etc/courier/authlib:" \
				   -e "s:CMD_NAMED = /etc/init.d/bind9:CMD_NAMED = /etc/init.d/named:" \
				   -e "s:CMD_AUTHD = /etc/init.d/courier-authdaemon:CMD_AUTHD = /etc/init.d/courier-authlib:" \
				   -e "s:CMD_IMAP = /etc/init.d/courier-imap:CMD_IMAP = /etc/init.d/courier-imapd:" \
				   -e "s:CMD_POP = /etc/init.d/courier-pop:CMD_POP = /etc/init.d/courier-pop3d:" \
				   -e "s:CMD_VHCS2D = /etc/init.d/vhcs2_daemon:CMD_VHCS2D = /etc/init.d/vhcs:" \
				   -e "s:CMD_VHCS2N = /etc/init.d/vhcs2_network::" \
				   -e "s:MTA_LOCAL_ALIAS_HASH = /etc/aliases:MTA_LOCAL_ALIAS_HASH = /etc/mail/aliases:" \
				   -e "s:COURIER_CONF_DIR = /etc/courier:COURIER_CONF_DIR = /etc/courier-imap:" \
				   -e "s:FTPD_CONF_FILE = /etc/proftpd.conf:FTPD_CONF_FILE = /etc/proftpd/proftpd.conf:" ${S}/configs/vhcs2.conf
		eend $?
	else
		einfo "Found existing [${oldname}], skipping new creation"
		rm ${S}/configs/vhcs2.conf
	fi

	# installation process
	einstall || die "make install failed."

	# Setup a real key
#	ebegin "Setup VHCS keys"
#		cd ${S}/keys/
#		./rpl.pl ../gui/include/vhcs2-db-keys.php \
#			../engine/vhcs2-db-keys.pl
#		insinto ${MY_HTDOCSDIR}/keys
#		doins *
#	eend $?

	# gentoo environment stuff
	newinitd ${FILESDIR}/${PN}-init.d ${PN}
	cp ${FILESDIR}/${PN}-conf.d ${PN}
	sed -i -e "s:%HTDIR%:${ROOT_PATH}:" ${PN}
	newconfd ${PN} ${PN}
	rm ${PN}

	# finish webapp install
	webapp_src_install	
}

pkg_postinst() {
	echo
	einfo "VHCS Pro v${PV} is installed on your computer."
    elog "If this is a new installation, you might want to run:"
    einfo
    elog "  emerge --config =${CATEGORY}/${PF}"
    echo
    echo
    einfo "otherwise you can safely access the VHCS Control Panel."
    einfo "simply point your browser to:"
    einfo
    einfo "  http://${HOSTNAME}/vhcs2"
	echo
}

pkg_config() {

	# Postfix (MTA)
	ebegin "Postfix settings"
		# FIX: gentoo use /etc/mail/aliases
		sed -i -e "s:/etc/aliases:/etc/mail/aliases:" /etc/vhcs2/postfix/main.cf

		# check if necessary, otherwise erase them		
		# conf=`cat /etc/vhcs2/vhcs2.conf| egrep "^MTA" |
		#		awk '{if($2 == "=") print "s:{" $1 "}:" $3 ":;"}'`
		# eval sed -i \'$conf\' /etc/vhcs2/postfix/main.cf
		# mta_uid=`cat /etc/vhcs2/vhcs2.conf| grep MTA_MAILBOX_UID_NAME | awk '{print $3}'`
		# mta_gid=`cat /etc/vhcs2/vhcs2.conf| grep MTA_MAILBOX_GID_NAME | awk '{print $3}'`
		# mta_hostname=`cat /etc/vhcs2/vhcs2.conf| grep SERVER_HOSTNAME | awk '{print $3}'`
		# mta_domain=`cat /etc/vhcs2/vhcs2.conf| grep MTA_DOMAIN | awk '{print $3}'`

		mta_uid=`getent passwd vmail | cut -d':' -f3`
		mta_gid=`getent passwd vmail | cut -d':' -f4`
		chown vmail:mail ${ROOT_PATH}/engine/messager/vhcs2-arpl-msgr
		sed -i 's/xXMTA_UID_MAPXx/$mta_uid/' /etc/vhcs2/postfix/main.cf
		sed -i 's/xXMTA_GID_MAPXx/$mta_gid/' /etc/vhcs2/postfix/main.cf
	eend $?
	
	# FIX: missing courier userdb file
	if ! [[ -f /etc/courier/authlib/userdb ]]; then
		ebegin "Courier userdb fix"
			cp /etc/vhcs2/courier/userdb /etc/courier/authlib/userdb
		eend $?
	fi
	
	# FIX: missing courier authmodulelist file
	if ! [[ -f /etc/courier/authlib/authmodulelist ]]; then
		ebegin "Courier authmodulelist fix"
			cp /etc/vhcs2/courier/authmodulelist /etc/courier/authlib/authmodulelist
		eend $?
	fi

	# FIX: missing courier pid directory
	if ! [[ -d /var/run/courier ]]; then
		ebegin "Courier pid directory fix"
			mkdir -p /var/run/courier
		eend $?
	fi
	
	# FIX: missing proftpd configuration file
	if ! [[ -f /etc/proftpd/proftpd.conf ]]; then
		ebegin "ProFTPd configuration fix"
			cp /etc/vhcs2/proftpd/proftpd.conf /etc/proftpd/proftpd.conf
		eend $?
	fi
	
	# FIX: missing bind cache dir
	if ! [[ -d /var/cache/bind/ ]]; then
		ebegin "Bind cache dir fix"
			mkdir -p /var/cache/bind
		eend $?
	fi

	# services startup
    echo
	einfo "VHCS ${PV} ebuild config process finished!"
	elog "Please add these services to the default runlevel:"
	einfo
	elog "  rc-update add vhcs default"
	elog "  rc-update add apache2 default"
	elog "  rc-update add proftpd default"
	elog "  rc-update add postfix default"
	elog "  rc-update add named default"
	elog "  rc-update add courier-authlib default"
	elog "  rc-update add courier-impad default"
	elog "  rc-update add courier-impad-ssl default"
	elog "  rc-update add courier-pop3d default"
	elog "  rc-update add courier-pop3d-ssl default"
	if use mysql; then
		elog "  rc-update add mysql default"
	fi
	if use postgres; then
		elog "  rc-update add postgresql default"
	fi
	einfo
	elog "and finaly (re)start the VHCS daemon:"
	einfo
	elog "  /etc/init.d/vhcs restart"
	
	# Now we need to run the setup tool
	einfo
    elog "If this is a new installation, you need to create a valid /etc/vhcs2/vhcs2.conf"
    elog "configuration file, so please run the VHCS Setup Tool:"
    einfo
	elog "  ${ROOT_PATH}/engine/setup/vhcs2-setup"
	einfo
	ewarn "ATTENTION: VHCS Setup Tool erase all the datas stored into the database"
	ewarn "every time it is executed! If you do not want to lose all your datas,"
	ewarn "*please run the tool only if this is the first time you install VHCS*,"
	ewarn "otherwise skip the entire Setup process."
	ebeep 5
    einfo
    einfo "If you found bugs/problems during the VHCS Setup Tool execution"
    einfo "please report also the output of /tmp/vhcs2-setup-services.log"
	echo
}