#!/bin/bash
#
# .---.                  .              .
# |                      |              |
# |--- .--. .-.  .-.  .-.|  .-. .--.--. |.-.  .-. .--.  .-.
# |    |   (.-' (.-' (   | (   )|  |  | |   )(   )|  | (.-'
# '    '     --'  --'  -' -  -' '  '   -' -'   -' '   -  --'
#
#                    Freedom in the Cloud
#
# Blog functions
#
# License
# =======
#
# Copyright (C) 2014-2016 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

VARIANTS="full writer"

FULLBLOG_DOMAIN_NAME=
FULLBLOG_CODE=
FULLBLOG_ONION_PORT=8086
FULLBLOG_REPO="https://github.com/danpros/htmly"
FULLBLOG_COMMIT='bf5fe9486160be4da86d8987d3e5c977e1dc6d32'
MY_BLOG_TITLE="My Blog"
MY_BLOG_SUBTITLE="Another ${PROJECT_NAME} Blog"

function reconfigure_blog {
	echo -n ''
}

function upgrade_blog {
	if ! grep -Fxq "install_blog" $COMPLETION_FILE; then
		return
	fi
	function_check set_repo_commit
	set_repo_commit /var/www/$FULLBLOG_DOMAIN_NAME/htdocs "Blog commit" "$FULLBLOG_COMMIT" $FULLBLOG_REPO

	# update blog avatar
	${PROJECT_NAME}-blog
}

function backup_local_blog {
	FULLBLOG_DOMAIN_NAME='blog'
	if grep -q "Blog domain" $COMPLETION_FILE; then
		FULLBLOG_DOMAIN_NAME=$(cat $COMPLETION_FILE | grep "Blog domain" | awk -F ':' '{print $2}')
	fi

	source_directory=/var/www/${FULLBLOG_DOMAIN_NAME}/htdocs
	if [ -d $source_directory ]; then
		dest_directory=blog
		echo $"Backing up $source_directory to $dest_directory"

		function_check suspend_site
		suspend_site ${FULLBLOG_DOMAIN_NAME}

		function_check backup_directory_to_usb
		backup_directory_to_usb $source_directory $dest_directory

		function_check restart_site
		restart_site

		echo $"Backup to $dest_directory complete"
	fi
}

function restore_local_blog {
	FULLBLOG_DOMAIN_NAME='blog'
	if grep -q "Blog domain" $COMPLETION_FILE; then
		FULLBLOG_DOMAIN_NAME=$(cat $COMPLETION_FILE | grep "Blog domain" | awk -F ':' '{print $2}')
	fi
	if [ $FULLBLOG_DOMAIN_NAME ]; then
		echo $"Restoring blog installation"
		temp_restore_dir=/root/tempblog
		restore_directory_from_usb $temp_restore_dir blog
		rm -rf /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs
		cp -r $temp_restore_dir/var/www/${FULLBLOG_DOMAIN_NAME}/htdocs /var/www/${FULLBLOG_DOMAIN_NAME}/
		if [ ! "$?" = "0" ]; then
			set_user_permissions
			backup_unmount_drive
			exit 593
		fi
		rm -rf $temp_restore_dir
		if [ ! -d /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content ]; then
			echo $"No content directory found after restoring blog"
			set_user_permissions
			backup_unmount_drive
			exit 287
		fi
		chown -R www-data:www-data /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs
		# Ensure that the bundled SSL cert is being used
		if [ -f /etc/ssl/certs/${FULLBLOG_DOMAIN_NAME}.bundle.crt ]; then
			sed -i "s|${FULLBLOG_DOMAIN_NAME}.crt|${FULLBLOG_DOMAIN_NAME}.bundle.crt|g" /etc/nginx/sites-available/${FULLBLOG_DOMAIN_NAME}
		fi
		for d in /home/*/ ; do
			USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
				if [ -d /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content/$USERNAME/blog/uncategorized/post ]; then
					mv /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content/$USERNAME/blog/*.md /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content/$USERNAME/blog/uncategorized/post
				fi
			fi
		done
		if [ -d /etc/letsencrypt/live/${FULLBLOG_DOMAIN_NAME} ]; then
			ln -s /etc/letsencrypt/live/${FULLBLOG_DOMAIN_NAME}/privkey.pem /etc/ssl/private/${FULLBLOG_DOMAIN_NAME}.key
			ln -s /etc/letsencrypt/live/${FULLBLOG_DOMAIN_NAME}/fullchain.pem /etc/ssl/certs/${FULLBLOG_DOMAIN_NAME}.pem
		fi
	fi
}

function backup_remote_blog {
	if grep -q "Blog domain" $COMPLETION_FILE; then
		FULLBLOG_DOMAIN_NAME=$(cat $COMPLETION_FILE | grep "Blog domain" | awk -F ':' '{print $2}')
		temp_backup_dir=/var/www/${FULLBLOG_DOMAIN_NAME}/htdocs
		if [ -d $temp_backup_dir ]; then
			echo $"Backing up blog"
			backup_directory_to_friend $temp_backup_dir blog
			echo $"Backup of blog complete"
		else
			echo $"Blog domain specified but not found in $temp_backup_dir"
			exit 2578
		fi
	fi
}

function restore_remote_blog {
	if [ -d $SERVER_DIRECTORY/backup/blog ]; then
		FULLBLOG_DOMAIN_NAME=$(cat $COMPLETION_FILE | grep "Blog domain" | awk -F ':' '{print $2}')
		echo $"Restoring blog installation $FULLBLOG_DOMAIN_NAME"
		temp_restore_dir=/root/tempblog
		mkdir $temp_restore_dir
		function_check restore_directory_from_friend
		restore_directory_from_friend $temp_restore_dir blog
		rm -rf /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs
		cp -r $temp_restore_dir/var/www/${FULLBLOG_DOMAIN_NAME}/htdocs /var/www/${FULLBLOG_DOMAIN_NAME}/
		if [ ! "$?" = "0" ]; then
			exit 593
		fi
		rm -rf $temp_restore_dir
		if [ ! -d /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content ]; then
			echo $"No content directory found after restoring blog"
			exit 287
		fi
		# Ensure that the bundled SSL cert is being used
		if [ -f /etc/ssl/certs/${FULLBLOG_DOMAIN_NAME}.bundle.crt ]; then
			sed -i "s|${FULLBLOG_DOMAIN_NAME}.crt|${FULLBLOG_DOMAIN_NAME}.bundle.crt|g" /etc/nginx/sites-available/${FULLBLOG_DOMAIN_NAME}
		fi
		for d in /home/*/ ; do
			USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
			if [[ $USERNAME != "git" && $USERNAME != "mirrors" && $USERNAME != "sync" ]]; then
				if [ -d /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content/$USERNAME/blog/uncategorized/post ]; then
					mv /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content/$USERNAME/blog/*.md /var/www/${FULLBLOG_DOMAIN_NAME}/htdocs/content/$USERNAME/blog/uncategorized/post
				fi
			fi
		done
		if [ -d /etc/letsencrypt/live/${FULLBLOG_DOMAIN_NAME} ]; then
			ln -s /etc/letsencrypt/live/${FULLBLOG_DOMAIN_NAME}/privkey.pem /etc/ssl/private/${FULLBLOG_DOMAIN_NAME}.key
			ln -s /etc/letsencrypt/live/${FULLBLOG_DOMAIN_NAME}/fullchain.pem /etc/ssl/certs/${FULLBLOG_DOMAIN_NAME}.pem
		fi
		echo $"Restore of blog complete"
	fi
}

function remove_blog {
	if ! grep -Fxq "install_blog" $COMPLETION_FILE; then
		return
	fi
	if [ ! -d /var/www/$FULLBLOG_DOMAIN_NAME ]; then
		rm -rf /var/www/$FULLBLOG_DOMAIN_NAME
	fi
	nginx_dissite $FULLBLOG_DOMAIN_NAME
	if [ ! -f /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME ]; then
		rm -rf /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	fi
	if [ $FULLBLOG_CODE ]; then
		if [ -f /usr/bin/dynamicdns ]; then
			sed -i "/$FULLBLOG_DOMAIN_NAME/d" /usr/bin/dynamicdns
			sed -i "/$FULLBLOG_CODE/d" /usr/bin/dynamicdns
		fi
	fi
	function_check remove_onion_service
	remove_onion_service blog ${FULLBLOG_ONION_PORT}
	sed -i '/install_blog/d' $COMPLETION_FILE
	sed -i '/Blog .*/d' $COMPLETION_FILE
}

function get_blog_admin_password {
	if [ -f /home/$MY_USERNAME/README ]; then
		if grep -q "Your blog password is" /home/$MY_USERNAME/README; then
			FULLBLOG_ADMIN_PASSWORD=$(cat /home/$MY_USERNAME/README | grep "Your blog password is" | awk -F ':' '{print $2}' | sed 's/^ *//')
		fi
	fi
}

function install_blog_social_networks {
	# set social networks
	if grep -q "social.hubzilla" /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini; then
		sed -i "s|;social.hubzilla|social.hubzilla|g" /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini
		sed -i "s|social.hubzilla.*|social.hubzilla = \"$HUBZILLA_DOMAIN_NAME\"|g" /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini
	fi
	if grep -q "social.gnusocial" /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini; then
		sed -i "s|;social.gnusocial|social.gnusocial|g" /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini
		sed -i "s|social.gnusocial.*|social.gnusocial = \"$MICROBLOG_DOMAIN_NAME\"|g" /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini
	fi

	# clear proprietary social network strings
	sed -i 's|social.facebook.*|social.facebook = ""|g' /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini
	sed -i 's|social.twitter.*|social.twitter = ""|g' /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini
	sed -i 's|social.google.*|social.google = ""|g' /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini
}

function install_blog_user {
	# create a user password
	function_check get_blog_admin_password
	get_blog_admin_password
	if [ ! $FULLBLOG_ADMIN_PASSWORD ]; then
		if [ -f $IMAGE_PASSWORD_FILE ]; then
			FULLBLOG_ADMIN_PASSWORD="$(printf `cat $IMAGE_PASSWORD_FILE`)"
		else
			FULLBLOG_ADMIN_PASSWORD="$(create_password ${MINIMUM_PASSWORD_LENGTH})"
		fi
		echo '' >> /home/$MY_USERNAME/README
		echo '' >> /home/$MY_USERNAME/README
		echo $'HTMLy Blog' >> /home/$MY_USERNAME/README
		echo '==========' >> /home/$MY_USERNAME/README
		echo $"Your blog username: $MY_USERNAME" >> /home/$MY_USERNAME/README
		echo $"Your blog password is: $FULLBLOG_ADMIN_PASSWORD" >> /home/$MY_USERNAME/README
		if [[ $ONION_ONLY == 'no' ]]; then
			echo $"Log into your blog at https://$FULLBLOG_DOMAIN_NAME/login" >> /home/$MY_USERNAME/README
		fi
		chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/README
		chmod 600 /home/$MY_USERNAME/README
	fi

	# create a user
	FULLBLOG_ADMIN_PASSWORD_HASH=$(${PROJECT_NAME}-sec --bloghash "$FULLBLOG_ADMIN_PASSWORD")
	if [ ${#FULLBLOG_ADMIN_PASSWORD_HASH} -lt 8 ]; then
		echo $'Blog admin password could not be hashed'
		exit 625728
	fi
	echo ';Password' > /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
	echo "password = $FULLBLOG_ADMIN_PASSWORD_HASH" >> /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
	echo 'encryption = password_hash' >> /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
	echo ';Role' >> /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
	echo 'role = admin' >> /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
}

function install_blog_settings {
	cp /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini.example /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini
	sed -i "s|site.url.*|site.url = '/'|g" /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini
	sed -i "s|blog.title.*|blog.title = '$MY_BLOG_TITLE'|g" /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini
	sed -i "s|blog.tagline.*|blog.tagline = '$MY_BLOG_SUBTITLE'|g" /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini
	sed -i 's|timezone.*|timezone = "Europe/London"|g' /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini
	sed -i "s|Your name|$MY_NAME|g" /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/config/config.ini
}

function install_blog_website {
	function_check nginx_http_redirect
	nginx_http_redirect $FULLBLOG_DOMAIN_NAME
	echo 'server {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    listen 443 ssl;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "    root /var/www/$FULLBLOG_DOMAIN_NAME/htdocs;" >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "    server_name $FULLBLOG_DOMAIN_NAME;" >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    access_log off;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "    error_log /var/log/nginx/${FULLBLOG_DOMAIN_NAME}_error_ssl.log $WEBSERVER_LOG_LEVEL;" >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    index index.php;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    charset utf-8;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    proxy_read_timeout 86400s;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	function_check nginx_limits
	nginx_limits $FULLBLOG_DOMAIN_NAME
	function_check nginx_ssl
	nginx_ssl $FULLBLOG_DOMAIN_NAME
	function_check nginx_disable_sniffing
	nginx_disable_sniffing $FULLBLOG_DOMAIN_NAME
	echo '    add_header Strict-Transport-Security "max-age=0;";' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # rewrite to front controller as default rule' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location / {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        rewrite ^/(.*) /index.php?q=$uri&$args last;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "    # make sure webfinger and other well known services aren't blocked" >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # by denying dot files and rewrite request to the front controller' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ^~ /.well-known/ {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        allow all;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # statically serve these file types when possible' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # otherwise fall back to front controller' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # allow browser to cache them' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # added .htm for advanced source code editor library' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~* \.(jpg|jpeg|gif|png|ico|css|js|htm|html|ttf|woff|svg)$ {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        expires 30d;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        try_files $uri /index.php?q=$uri&$args;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # block these file types' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~* \.(tpl|md|tgz|log|out)$ {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        deny all;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # or a unix socket' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~* \.php$ {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        # Zero-day exploit defense.' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        # http://forum.nginx.org/read.php?2,88845,page=3' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "        # Won't work properly (404 error) if the file is not stored on this" >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "        # server, which is entirely possible with php-fpm/php-fcgi." >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "        # Comment the 'try_files' line out if you set up php-fpm/php-fcgi on" >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "        # another machine. And then cross your fingers that you won't get hacked." >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        try_files $uri $uri/ /index.php;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        fastcgi_split_path_info ^(.+\.php)(/.+)$;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        # With php5-cgi alone:' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        # fastcgi_pass 127.0.0.1:9000;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        # With php5-fpm:' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        fastcgi_pass unix:/var/run/php5-fpm.sock;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        include fastcgi_params;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        fastcgi_index index.php;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # deny access to all dot files' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~ /\. {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        deny all;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    #deny access to store' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~ /store {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        deny all;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~ /(data|conf|bin|inc)/ {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '      deny all;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~ /\.ht {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '      deny  all;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '}' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
}

function install_blog_website_onion {
	echo 'server {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "    listen 127.0.0.1:${FULLBLOG_ONION_PORT} default_server;" >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "    root /var/www/$FULLBLOG_DOMAIN_NAME/htdocs;" >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "    server_name $FULLBLOG_DOMAIN_NAME;" >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    access_log off;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "    error_log /var/log/nginx/${FULLBLOG_DOMAIN_NAME}_error_ssl.log $WEBSERVER_LOG_LEVEL;" >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    index index.php;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    charset utf-8;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    proxy_read_timeout 86400s;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	function_check nginx_limits
	nginx_limits $FULLBLOG_DOMAIN_NAME
	function_check nginx_disable_sniffing
	nginx_disable_sniffing $FULLBLOG_DOMAIN_NAME
	echo '    add_header Strict-Transport-Security "max-age=0;";' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # rewrite to front controller as default rule' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location / {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        rewrite ^/(.*) /index.php?q=$uri&$args last;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "    # make sure webfinger and other well known services aren't blocked" >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # by denying dot files and rewrite request to the front controller' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ^~ /.well-known/ {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        allow all;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # statically serve these file types when possible' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # otherwise fall back to front controller' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # allow browser to cache them' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # added .htm for advanced source code editor library' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~* \.(jpg|jpeg|gif|png|ico|css|js|htm|html|ttf|woff|svg)$ {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        expires 30d;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        try_files $uri /index.php?q=$uri&$args;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # block these file types' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~* \.(tpl|md|tgz|log|out)$ {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        deny all;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # or a unix socket' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~* \.php$ {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        # Zero-day exploit defense.' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        # http://forum.nginx.org/read.php?2,88845,page=3' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "        # Won't work properly (404 error) if the file is not stored on this" >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "        # server, which is entirely possible with php-fpm/php-fcgi." >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "        # Comment the 'try_files' line out if you set up php-fpm/php-fcgi on" >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo "        # another machine. And then cross your fingers that you won't get hacked." >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        try_files $uri $uri/ /index.php;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        fastcgi_split_path_info ^(.+\.php)(/.+)$;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        # With php5-cgi alone:' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        # fastcgi_pass 127.0.0.1:9000;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        # With php5-fpm:' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        fastcgi_pass unix:/var/run/php5-fpm.sock;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        include fastcgi_params;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        fastcgi_index index.php;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    # deny access to all dot files' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~ /\. {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        deny all;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    #deny access to store' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~ /store {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '        deny all;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~ /(data|conf|bin|inc)/ {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '      deny all;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    location ~ /\.ht {' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '      deny  all;' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '    }' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	echo '}' >> /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
}

function install_blog_from_repo {
	if [ ! -d /var/www/$FULLBLOG_DOMAIN_NAME ]; then
		mkdir /var/www/$FULLBLOG_DOMAIN_NAME
	fi

	cd /var/www/$FULLBLOG_DOMAIN_NAME
	git_clone $FULLBLOG_REPO htdocs
	cd htdocs
	git checkout $FULLBLOG_COMMIT -b $FULLBLOG_COMMIT
	if ! grep -q "Blog commit" $COMPLETION_FILE; then
		echo "Blog commit:$FULLBLOG_COMMIT" >> $COMPLETION_FILE
	else
		sed -i "s/Blog commit.*/Blog commit:$FULLBLOG_COMMIT/g" $COMPLETION_FILE
	fi
}

function install_blog {
	if [ ! $FULLBLOG_DOMAIN_NAME ]; then
		echo $'The blog domain name was not specified'
		exit 5062
	fi

	if grep -Fxq "install_blog" $COMPLETION_FILE; then
		return
	fi

	# for the avatar changing command
	apt-get -y install imagemagick

	function_check install_blog_from_repo
	install_blog_from_repo

	if [[ $ONION_ONLY == "no" ]]; then
		function_check install_blog_website
		install_blog_website
	else
		echo -n '' > /etc/nginx/sites-available/$FULLBLOG_DOMAIN_NAME
	fi
	function_check install_blog_website_onion
	install_blog_website_onion

	function_check create_site_certificate
	create_site_certificate $FULLBLOG_DOMAIN_NAME 'yes'

	function_check configure_php
	configure_php

	function_check install_blog_settings
	install_blog_settings

	function_check install_blog_social_networks
	install_blog_social_networks

	function_check install_blog_user
	install_blog_user

	chown -R www-data:www-data /var/www/$FULLBLOG_DOMAIN_NAME/htdocs

	FULLBLOG_ONION_HOSTNAME=$(add_onion_service blog 80 ${FULLBLOG_ONION_PORT})

	function_check nginx_ensite
	nginx_ensite $FULLBLOG_DOMAIN_NAME

	systemctl restart php5-fpm
	systemctl restart nginx

	if ! grep -q "Blog onion domain" /home/$MY_USERNAME/README; then
		echo $"Blog onion domain: ${FULLBLOG_ONION_HOSTNAME}" >> /home/$MY_USERNAME/README
		echo $"Log into your blog at https://${FULLBLOG_ONION_HOSTNAME}/login" >> /home/$MY_USERNAME/README
		echo '' >> /home/$MY_USERNAME/README
		chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/README
		chmod 600 /home/$MY_USERNAME/README
	fi
	echo "Blog onion domain:${FULLBLOG_ONION_HOSTNAME}" >> $COMPLETION_FILE

	function_check add_ddns_domain
	add_ddns_domain $FULLBLOG_DOMAIN_NAME

	if ! grep -q "Blog domain:" $COMPLETION_FILE; then
		echo "Blog domain:$FULLBLOG_DOMAIN_NAME" >> $COMPLETION_FILE
	fi

	echo 'install_blog' >> $COMPLETION_FILE
}

# NOTE: deliberately no exit 0