#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

fpm_footprint="low"
fpm_free_footprint=0
fpm_usage="low"

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================

ynh_app_setting_set --app=$app --key=fpm_footprint --value=$fpm_footprint
ynh_app_setting_set --app=$app --key=fpm_free_footprint --value=$fpm_free_footprint
ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=2

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$install_dir"

chmod -R o-rwx "$install_dir"
chown -R $app:www-data "$install_dir"

#=================================================
# SYSTEM CONFIGURATION
#=================================================
ynh_script_progression --message="Adding system configurations related to $app..." --weight=1

# Create a dedicated PHP-FPM config
ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC SETUP
#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..." --weight=2

# Loading order of configuration files
#
# By default DokuWiki loads its configuration files in the following order:
#
# 1. conf/dokuwiki.php
# 2. conf/local.php
# 3. conf/local.protected.php
#
# See https://www.dokuwiki.org/plugin:config#protecting_settings


### Copy YunoHost specific configuration
# This File cannot be modified directly by DokuWiki, only by hand or by YunoHost
# It will only be updated by YunoHost package or directly by adventurous users


# Customize admin group in case of multiple wiki install managed by different admins
# dokuwiki.admin; dokuwiki__1.admin; etc
ynh_add_config --template="../conf/local.protected.php" --destination="$install_dir/conf/local.protected.php"

# This file might be modified by DokuWiki admin panel or by plugins
# It will not be modified by Yunohost in order to keep user settings

# Set the "language"
ynh_add_config --template="../conf/local.php" --destination="$install_dir/conf/local.php"

# Restrict user rights by enforcing "read-only" mode for all users
# See https://www.dokuwiki.org/acl#background_info
# Default is "8"
ynh_add_config --template="../conf/acl.auth.php" --destination="$install_dir/conf/acl.auth.php"

#=================================================
# CREATE DEFAULT FILES
#=================================================
ynh_script_progression --message="Creating default files..." --weight=1

# For securing DokuWiki installation, create default files that will be writable in the "conf" folder.
# Other files will be read ony and owned by root.
# See https://www.dokuwiki.org/install:permissions

cp --archive $install_dir/conf/local.php.dist      $install_dir/conf/local.php.bak
cp --archive $install_dir/conf/users.auth.php.dist $install_dir/conf/users.auth.php

# This file might be used by plugins like https://www.dokuwiki.org/plugin:siteexport
# Create it to be more "user friendly" as over the top security is not the main goal here
# This file could be use for bad behaviour.
# See https://www.dokuwiki.org/devel:preload?s[]=preload
cp --archive $install_dir/inc/preload.php.dist     $install_dir/inc/preload.php

# There is no template .dist provided inside DokuWiki installation folder
# Create "empty" files to be able to manage linux permissions
# Files content is taken from an existing DokuWiki installation
cp --archive ../conf/plugins.local.php            $install_dir/conf
cp --archive ../conf/plugins.local.php            $install_dir/conf/plugins.local.php.bak

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP FAIL2BAN
#=================================================
ynh_script_progression --message="Configuring Fail2Ban..." --weight=7

# Create a dedicated Fail2Ban config
ynh_add_fail2ban_config --logpath="/var/log/nginx/$domain-error.log" --failregex="^.*authentication failure. while reading response header from upstream, client: <HOST>,.*POST $path.*$" --max_retry=5

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Installation of $app completed" --last