diff --git a/scripts/install b/scripts/install
index 034ad86..39b4def 100644
--- a/scripts/install
+++ b/scripts/install
@@ -26,6 +26,17 @@ language=$YNH_APP_ARG_LANGUAGE
 
 app=$YNH_APP_INSTANCE_NAME
 
+#=================================================
+# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
+#=================================================
+ynh_script_progression --message="Validating installation parameters..." --weight=1
+
+final_path=/var/www/$app
+test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
+
+# Register (book) web path
+ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
+
 #=================================================
 # STORE SETTINGS FROM MANIFEST
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index acb2152..e744c92 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -16,26 +16,27 @@ ynh_script_progression --message="Loading installation settings..." --weight=1
 
 app=$YNH_APP_INSTANCE_NAME
 
-# Retrieve arguments
-domain=$(ynh_app_setting_get "$app" domain)
+domain=$(ynh_app_setting_get --app=$app --key=domain)
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
 #=================================================
 # REMOVE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Removing app main directory..." --weight=1
+ynh_script_progression --message="Removing app main directory..." --time --weight=3
 
-# Remove sources and configuration
-ynh_secure_remove --file="/var/www/${app}"
+# Remove the app directory securely
+ynh_secure_remove --file=$final_path
 
 #=================================================
 # REMOVE NGINX CONFIGURATION
 #=================================================
+ynh_script_progression --message="Removing nginx web server configuration..." --weight=1
 
-ynh_secure_remove --file="/etc/nginx/conf.d/${domain}.d/${app}.conf"
+# Remove the dedicated nginx config
+ynh_remove_nginx_config
 
 #=================================================
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Removal of $app completed" --time --last
-
+ynh_script_progression --message="Removal of $app completed" --last
diff --git a/scripts/restore b/scripts/restore
index 35aa320..fcbed7f 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -19,16 +19,50 @@ ynh_abort_if_errors
 #=================================================
 # LOAD SETTINGS
 #=================================================
+ynh_script_progression --message="Loading installation settings..." --time --weight=1
 
-# Retrieve old app settings
 app=$YNH_APP_INSTANCE_NAME
-domain=$(ynh_app_setting_get $app domain)
 
-# Restore sources & data
-cp -a ./sources "/var/www/${app}"
+domain=$(ynh_app_setting_get --app=$app --key=domain)
+path_url=$(ynh_app_setting_get --app=$app --key=path)
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
-# Restore Nginx and YunoHost parameters
-cp -a ./nginx.conf "/etc/nginx/conf.d/${domain}.d/${app}.conf"
+#=================================================
+# CHECK IF THE APP CAN BE RESTORED
+#=================================================
+ynh_script_progression --message="Validating restoration parameters..." --time --weight=2
 
-# Reload services
-service nginx reload
+ynh_webpath_available --domain=$domain --path_url=$path_url \
+	|| ynh_die --message="Path not available: ${domain}${path_url}"
+test ! -d $final_path \
+	|| ynh_die --message="There is already a directory: $final_path "
+
+#=================================================
+# STANDARD RESTORATION STEPS
+#=================================================
+# RESTORE THE NGINX CONFIGURATION
+#=================================================
+
+ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+
+#=================================================
+# RESTORE THE APP MAIN DIR
+#=================================================
+ynh_script_progression --message="Restoring the app main directory..." --weight=4
+
+ynh_restore_file --origin_path=$final_path
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# RELOAD NGINX AND PHP-FPM
+#=================================================
+ynh_script_progression --message="Reloading nginx web server..." --weight=1
+
+ynh_systemd_action --service_name=nginx --action=reload
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Restoration completed for $app" --last
diff --git a/scripts/upgrade b/scripts/upgrade
index 40f8185..31dfa68 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -14,7 +14,7 @@ ynh_abort_if_errors
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --time --weight=1
+ynh_script_progression --message="Loading installation settings..." --weight=1
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -58,7 +58,7 @@ sed -i "s@DOMAINTOCHANGE@${domain}@g" "${final_path}/store/conf/hosts.xml"
 #=================================================
 # RELOAD NGINX
 #=================================================
-ynh_script_progression --message="Reloading nginx web server..." --time --weight=1
+ynh_script_progression --message="Reloading NGINX web server..." --weight=1
 
 ynh_systemd_action --service_name=nginx --action=reload
 
@@ -66,5 +66,4 @@ ynh_systemd_action --service_name=nginx --action=reload
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Upgrade of $app completed" --time --last
-
+ynh_script_progression --message="Upgrade of $app completed" --last