cops_ynh/scripts/upgrade

#!/bin/bash
set -eu

# We retrieve app parameters
app=$YNH_APP_INSTANCE_NAME

# Source app helpers
source .fonctions
source /usr/share/yunohost/helpers

# We check variables are not empty
CHECK_VAR "$app" "app name not set"

path=$(ynh_app_setting_get $app path)
domain=$(ynh_app_setting_get $app domain)
final_path=$(ynh_app_setting_get $app final_path)
finalnginxconf=$(ynh_app_setting_get $app finalnginxconf)
finalphpconf=$(ynh_app_setting_get $app finalphpconf)
calibre=$(ynh_app_setting_get $app calibre)
basicauthcreate=$(ynh_app_setting_get $app basicauthcreate)

# We check that calibre path is correct
CHECK_CALIBRE

# Install dependencies using Helpers
ynh_package_install_from_equivs ../conf/cops-deps.control \
|| ynh_die "Unable to install dependencies"

# Removal of old folder and restart from fresh
SECURE_REMOVE '$final_path'
sudo mkdir -p $final_path

# We download the sources and check the md5sum
cops_file=`sudo cat ../sources/source_file`;
sudo wget -nv -i ../sources/source_url -O $cops_file
sudo md5sum -c ../sources/source_md5 --status || (echo "Corrupt source" >&2 && false)
sudo unzip ${cops_file} -d $final_path

# Site adjustments
sed -i "s@CALIBRETOCHANGE@$calibre@g" ../conf/config_local.php
timezone=`sudo cat /etc/timezone`;
sed -i "s@TIMEZONETOCHANGE@$timezone@g" ../conf/config_local.php

sudo cp ../conf/config_local.php $final_path
sudo cp ../conf/robots.txt $final_path

# Create cops user and join nextcloud/owncloud/www-data groups
runninguser="${app}-ynh"
# 1.  Create the user
# Create a system account for COPS if it doesn't already exists
if ! ynh_system_user_exists "$runninguser" ;
then
    echo "The user $runninguser does not exist, we can create it"
    sudo useradd -c "$runninguser system account" \
       -d $final_path --system --user-group $runninguser \
       || ynh_die "Unable to create $runninguser system account"
else
    echo "The user $runninguser exists, no need to create it"
fi

ynh_app_setting_set "$app" runninguser "$runninguser"

# 2. Add cops-ynh to groups www-data and nextcloud/owncloud if they exist
sudo usermod -a -G www-data $runninguser
for filesharing in "nextcloud" "owncloud"; do
    app_id=$(sudo yunohost app list --installed -f "$filesharing" \
            --output-as json | grep -Po '"id":[ ]?"\K.*?(?=")' | head -1)
    [[ -z "$app_id" ]] || {
        sudo usermod -a -G $filesharing $runninguser
    }
done

# Set permissions
sudo chmod ug+rw -R $final_path
sudo chown -hR $runninguser:$runninguser $final_path

# Add basic auth if requested
if [ "$basicauthcreate" = "Yes" ];
then
	basicauthname=$(ynh_app_setting_get $app basicauthname)
	basicauthpass=$(ynh_app_setting_get $app basicauthpass)

        # Generation of the htpasswd file according https://www.nginx.com/resources/wiki/community/faq/
        SALT="$(openssl rand -base64 3)"
        (SHA1=$(printf "$basicauthpass$SALT" |
        openssl dgst -binary -sha1 | xxd -ps |
        sed 's#$#'"`echo -n $SALT | xxd -ps`"'#' |
        xxd -r -ps |
        base64);printf "$basicauthname:{SSHA}$SHA1\n" >> ../sources/htpasswd)
        sudo cp ../sources/htpasswd $final_path
        sudo chmod 440 $final_path/htpasswd
        sudo chown www-data:www-data $final_path/htpasswd

        # Modif nginx
        sed -i "s|^.*\bauth_basic\b.*$|       auth_basic \"Private Library\";|" ../conf/nginx.conf;
        sed -i "s|^.*\bauth_basic_user_file\b.*$|       auth_basic_user_file $final_path/htpasswd;|" ../conf/nginx.conf;
else
        echo "No basic auth";
fi

# Modify Nginx configuration file and copy it to Nginx conf.d directory
sed -i "s@PATHTOCHANGE@$path@g" ../conf/nginx.conf
sed -i "s@ALIASTOCHANGE@$final_path/@g" ../conf/nginx.conf
sed -i "s@NAMETOCHANGE@$app@g" ../conf/nginx.conf
sudo cp ../conf/nginx.conf $finalnginxconf

# Modify php-fpm configuration file and copy it to php-fpm pool.d directory
sed -i "s@NAMETOCHANGE@$app@g" ../conf/php-fpm.conf
sed -i "s@FOLDERTOCHANGE@$final_path@g" ../conf/php-fpm.conf
sed -i "s@USERTOCHANGE@$runninguser@g" ../conf/php-fpm.conf
sudo cp ../conf/php-fpm.conf $finalphpconf
sudo chown root: $finalphpconf
sudo chmod 644 $finalphpconf

# Make app public if necessary
is_public=$(ynh_app_setting_get $app is_public)
if [ "$is_public" = "Yes" ];
then
	ynh_app_setting_set $app skipped_uris "/"
else
	ynh_app_setting_set $app protected_uris "/"
fi

# Reload Nginx and regenerate SSOwat conf
sudo service php5-fpm reload
sudo service nginx reload
sudo yunohost app ssowatconf