#!/bin/bash

# Criado por João Alfredo Knopik Junior <jakjr@celepar.pr.gov.br>
# Colaborações:
#       "William Fernando Merlotto" <william@prognus.com.br>
#       "Alexandre Felipe Muller de Souza" <amuller@celepar.pr.gov.br>

set -e # Para caso de erro

if [ $UID != 0 ]; then {
        echo "Este script deve ser executado como superusuario, root ou sudo";
        exit 1;
        }
fi

apt-get update || { echo "Falha ao atualizar o apt-get"; exit 1; }

apt-get install -y dialog debconf-utils

## Mudamos o debconf para critical, para que não sejam feitas perguntas desnecessárias.
debconf-set-selections ./arqs-conf/debconf.critical
## Fim da configuração do DebConf

BACKTITLE='Instalação do ExpressoLivre 2.0'
INTRO='
Bem-Vindo(a) a instalação do ExpressoLivre!

3 (três) perguntas serão feitas a você.
- Escolha uma senha.
- Escolha uma organização.
- Escolha um domínio.

Com estas informações o script poderá
instalar e configurar o ExpressoLivre.
'
#.....................................................................
dialog --backtitle "$BACKTITLE" \
   --cr-wrap \
   --msgbox "$INTRO" \
   17 55 &&
#.....................................................................
LDAP_PWD=$( dialog --stdout --inputbox 'Digite uma senha:' 0 0 )
#.....................................................................
ORG=$( dialog --stdout --inputbox 'Digite uma organização:(ex.: celepar)' 0 55 )
#.....................................................................
DOMAIN=$( dialog --stdout --inputbox 'Digite seu domínio:(ex.: '$ORG'.com.br)' 0 55 )

#.....................................................................
dialog --backtitle "$BACKTITLE" --cr-wrap --msgbox \
"A instalação dos pacotes necessários para o ExpressoLivre começará agora." 10 65 &&
#.....................................................................

apt-get install -y apache2-mpm-prefork libapache2-mod-php5 apache2-utils php5 php5-common php5-dev php5-gd php5-imap php5-ldap php5-pgsql php5-cgi php5-cli slapd ldap-utils db4.2-util cyrus-admin-2.2 cyrus-clients-2.2 cyrus-common-2.2 cyrus-doc-2.2 cyrus-imapd-2.2 libcyrus-imap-perl22 postfix postfix-ldap libsasl2-2 libsasl2-modules sasl2-bin nmap vim libmail-imapclient-perl libparse-recdescent-perl libterm-readkey-perl libterm-readline-perl-perl zip unzip graphviz lsb-base openssl ssl-cert || { echo "Impossível continuar, erro no nome dos pacotes"; exit 1; }

############################################################################################
# GET VARs
LDAP_DN=`php ./arqs-conf/makedn.php $DOMAIN`
LDAP_DC=`php ./arqs-conf/makedc.php $DOMAIN`
LDAP_PWD_MD5=`slappasswd -v -s $LDAP_PWD -h {MD5}`
LDAP_PWD_MD5=`php ./arqs-conf/regexp.php $LDAP_PWD_MD5`
HEADER_PWD=`php ./arqs-conf/pass.php $LDAP_PWD`
############################################################################################
# APACHE
# descomente para gerar o certificado para o https
#apache2-ssl-certificate;

a2enmod rewrite
a2enmod ssl

cp -r -p ../../../expresso/ /var/www/
cp ./arqs-conf/etc/apache2/apache2.conf.lenny /etc/apache2/apache2.conf
cp ./arqs-conf/etc/apache2/sites-available/default.lenny /etc/apache2/sites-available/expresso
cp ./arqs-conf/etc/apache2/ports.conf.lenny /etc/apache2/ports.conf
cp -r -p ./arqs-conf/etc/apache2/ssl/ /etc/apache2/

cp ./arqs-conf/etc/php5/apache2/php.ini /etc/php5/apache2/
mkdir /php_sessions/ || { echo "Diretório já existe. [OK]"; }
chmod -R 777 /php_sessions/

a2ensite expresso
a2dissite default

# Linha adicionada para resolver alguns warnings quando "apache2ctl configtest"
HOST=`hostname` ; mv /etc/hosts /etc/hosts.ori ; echo 127.0.0.1 $DOMAIN localhost $HOST  > /etc/hosts ; cat /etc/hosts.ori >> /etc/hosts ; rm /etc/hosts.ori

/etc/init.d/apache2 restart

############################################################################################
# OPENLDAP
/etc/init.d/slapd stop
sed -e "s/LDAP_DN/$LDAP_DN/g" -e "s/LDAP_PWD_MD5/$LDAP_PWD_MD5/g" ./arqs-conf/etc/ldap/slapd.conf.lenny > /etc/ldap/slapd.conf
cp ./arqs-conf/etc/ldap/schema/* /etc/ldap/schema/
rm -rf /var/lib/ldap
mkdir /var/lib/ldap
chown -R openldap:openldap /var/lib/ldap/
/etc/init.d/slapd start
/etc/init.d/slapd stop

sleep 2
sed -e "s/LDAP_DN/$LDAP_DN/g" -e "s/LDAP_PWD_MD5/$LDAP_PWD_MD5/g" -e "s/ORG/$ORG/g" -e "s/DOMAIN/$DOMAIN/g" -e "s/LDAP_DC/$LDAP_DC/g" ./arqs-conf/expresso.ldif > /tmp/expresso.ldif

sleep 2
slapadd -v -l /tmp/expresso.ldif
chown -R openldap. /var/lib/ldap/*

sleep 2
/etc/init.d/slapd start
rm /tmp/expresso.ldif

############################################################################################
# CYRUS
cp ./arqs-conf/etc/imapd.conf /etc/
cp ./arqs-conf/etc/cyrus.conf /etc/
sed -e "s/LDAP_DN/$LDAP_DN/g" ./arqs-conf/etc/saslauthd.conf > /etc/saslauthd.conf
cp ./arqs-conf/etc/default/saslauthd-lenny /etc/default/saslauthd

cp -p ./arqs-conf/usr/bin/cyradm_expresso /usr/bin/

/etc/init.d/saslauthd restart
sleep 4

/etc/init.d/cyrus2.2 restart

sleep 4
./arqs-conf/cyrus.pl $LDAP_PWD

############################################################################################
# POSTFIX
sed -e "s/LDAP_DN/$LDAP_DN/g" -e "s/DOMAIN/$DOMAIN/g" ./arqs-conf/etc/postfix/main.cf > /etc/postfix/main.cf
sed -e "s/DOMAIN/$DOMAIN/g" ./arqs-conf/etc/postfix/expresso-dominios > /etc/postfix/expresso-dominios
cp ./arqs-conf/etc/postfix/master.cf /etc/postfix/
adduser postfix mail
/etc/init.d/postfix restart
postmap /etc/postfix/expresso-dominios

sleep 10

############################################################################################
# mkpasswd
mkdir /home/expressolivre || { echo "Diretório já existe. [OK]"; }
cp ./arqs-conf/home/expressolivre/* /home/expressolivre/
chown -R www-data:www-data /home/expressolivre/
############################################################################################
# HEADER_INC_PHP
sed -e "s/HEADER_PWD/$HEADER_PWD/g" ./arqs-conf/header.inc.php > /var/www/expresso/header.inc.php
chown www-data:www-data /var/www/expresso/header.inc.php

############################################################################################
# POSTGRES
apt-get install -y postgresql postgresql-common postgresql-client postgresql-client-common || { echo "Erro ao iniciar. Sem problema.[OK]";}
#parando o serviço e fazendo backup
/etc/init.d/postgresql-8.3 stop
mv /var/lib/postgresql/8.3/main /var/lib/postgresql/8.3/main_backup_$(date +%s)

#alterando o proprietário do diretório temporariamente
chown postgres:postgres /var/lib/postgresql/8.3

su - postgres -c 'export LANG=pt_BR.ISO-8859-1;/usr/lib/postgresql/8.3/bin/initdb -E latin1 -D /var/lib/postgresql/8.3/main'

#restaurando o proprietário do diretório
chown root:root /var/lib/postgresql/8.3
echo "COPIANDO ARQUIVOS DE CONFIGURACAO DO EXPRESSO PARA O PGSQL...."
cp ./arqs-conf/etc/postgresql/8.3/main/postgresql.conf /etc/postgresql/8.3/main/
cp ./arqs-conf/etc/postgresql/8.3/main/pg_hba.conf /etc/postgresql/8.3/main/
/etc/init.d/postgresql-8.3 start

su - postgres -c 'dropdb expresso'  || { echo "Banco expresso não existia. [OK]"; }
su - postgres -c 'createdb -E LATIN1 expresso'  || { echo "Problemas na criação do banco expresso. [Falhou]"; exit 1;}

sed -e "s/LDAP_DN/$LDAP_DN/g" -e "s/LDAP_PWD/$LDAP_PWD/g" -e "s/ORG/$ORG/g" -e "s/DOMAIN/$DOMAIN/g" ./arqs-conf/expresso.dump > /tmp/expresso.dump

su - postgres -c 'psql -f /tmp/expresso.dump expresso'

rm /tmp/expresso.dump

##### CREATE WORKFLOW DATABASE
cp ./arqs-conf/workflow.dump /tmp
su - postgres -c 'psql < /tmp/workflow.dump -U postgres'
rm /tmp/workflow.dump
#### END CREATE

/etc/init.d/postgresql-8.3 restart

############################################################################################
echo Acerta permissoes das pastas crls e temp em /var/www/expresso/security:
chown www-data:www-data /var/www/expresso/security/temp
chown www-data:www-data /var/www/expresso/logs
chown -R www-data:www-data /var/www/expresso/security/crls
chown www-data:www-data /var/www/expresso/security/crl_admin/crl_admin.py
chmod 755 /var/www/expresso/security/temp
chmod 755 /var/www/expresso/security/crls
chmod 755 /var/www/expresso/security/crl_admin/crl_admin.py

############################################################################################

## Mudamos o debconf para high, default do Debian Lenny.
debconf-set-selections ./arqs-conf/debconf.high
## Fim da configuração do DebConf

dialog --backtitle "$BACKTITLE" --cr-wrap --msgbox "FIM. www.expressolivre.org" 7 55 &&

echo '.'