#!/bin/bash

# This is where Cypht is installed
INSTALL="/usr/share/cypht"
HM3="$INSTALL/hm3.ini"

# This is where the PHP CLI ini file is located
PHPCLIINI="/etc/php5/cli/php.ini"

# This is where Apache2 configuration files are located
ACONF="/etc/apache2/conf-available"


# Parse hm3.ini to get data locations
source <(grep user_settings_dir= $HM3)
source <(grep attachment_dir= $HM3)
source <(grep app_data_dir= $HM3)

HM3DIR=$(dirname $app_data_dir)


# validate the destination directories
sudo mkdir -p $user_settings_dir $attachment_dir $app_data_dir $SETTINGS

# Set permissions
sudo chown -R www-data:www-data $user_settings_dir $attachment_dir $app_data_dir $SETTINGS
sudo chmod -R ug+rw-x,o-rwx $user_settings_dir $attachment_dir $app_data_dir $SETTINGS

# Add install directory to PHP's open_basedir if it is not already there
source <(grep "^open_basedir *=" $PHPCLIINI | tr -d ' ')
BASEDIR="$INSTALL:$HM3DIR"
while IFS=':' read -ra ARR; do
  for bdir in "${ARR[@]}"; do
    if ! [ "$bdir" == "$INSTALL" ] && ! [ "$bdir" == "$HM3DIR" ]; then
      BASEDIR="$BASEDIR:$bdir"
    fi
  done
done <<< "$open_basedir"
#echo $BASEDIR

# Use bash parameter expansion to auto-escape $BASEDIR
sudo sed -i '/^open_basedir/ s~"'"$open_basedir"'"~"'"$BASEDIR"'"~' $PHPCLIINI


# Execute setup script
sudo php "$INSTALL/scripts/config_gen.php"

# Properly set permissions on newly generated /site
sudo chown www-data:www-data "$INSTALL/site"

# Write appropriate apache configuration
echo "Writing configuration file $INSTALL/apache.conf and linking to $ACONF/cypht.conf"
cat <<- EOF > apache.conf
	Alias /cypht $INSTALL/site
	<Directory $INSTALL/site>
	  AllowOverride All
	  Options +FollowSymLinks -Indexes
	  php_admin_value open_basedir "$BASEDIR"
	  DirectoryIndex index.php
	</Directory>
	<Location /cypht>
	  RewriteEngine on
	  RewriteCond %{HTTPS} !^on$ [NC]
	  RewriteRule . https://%{HTTP_HOST}%{REQUEST_URI}  [L]
	</Location>
	EOF

# Move this to the correct directory and link to the apache configuration directory
sudo mv apache.conf "$INSTALL/apache.conf"
sudo chown root:root "$INSTALL/apache.conf"
sudo ln -sf "$INSTALL/apache.conf" "$ACONF/cypht.conf"

# Enable apache configuration and check
sudo a2enconf cypht
sudo apachectl -t