cleaning

conf/systemd.service

@@ -1,5 +1,5 @@
 [Unit]
-Description=Tandoor, smart recipe mangement
+Description=Tandoor: smart recipe mangement
 After=network.target
 
 [Service]
@@ -12,5 +12,39 @@ ExecStart=__INSTALL_DIR__/venv/bin/gunicorn --bind 127.0.0.1:__PORT__ recipes.ws
 Restart=on-failure
 RestartSec=10
 
+### Depending on specificities of your service/app, you may need to tweak these
+### .. but this should be a good baseline
+# Sandboxing options to harden security
+# Details for these options: https://www.freedesktop.org/software/systemd/man/systemd.exec.html
+NoNewPrivileges=yes
+PrivateTmp=yes
+PrivateDevices=yes
+RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6 AF_NETLINK
+RestrictNamespaces=yes
+RestrictRealtime=yes
+DevicePolicy=closed
+ProtectClock=yes
+ProtectHostname=yes
+ProtectProc=invisible
+ProtectSystem=full
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
+LockPersonality=yes
+SystemCallArchitectures=native
+SystemCallFilter=~@clock @debug @module @mount @obsolete @reboot @setuid @swap @cpu-emulation @privileged
+
+# Denying access to capabilities that should not be relevant for webapps
+# Doc: https://man7.org/linux/man-pages/man7/capabilities.7.html
+CapabilityBoundingSet=~CAP_RAWIO CAP_MKNOD
+CapabilityBoundingSet=~CAP_AUDIT_CONTROL CAP_AUDIT_READ CAP_AUDIT_WRITE
+CapabilityBoundingSet=~CAP_SYS_BOOT CAP_SYS_TIME CAP_SYS_MODULE CAP_SYS_PACCT
+CapabilityBoundingSet=~CAP_LEASE CAP_LINUX_IMMUTABLE CAP_IPC_LOCK
+CapabilityBoundingSet=~CAP_BLOCK_SUSPEND CAP_WAKE_ALARM
+CapabilityBoundingSet=~CAP_SYS_TTY_CONFIG
+CapabilityBoundingSet=~CAP_MAC_ADMIN CAP_MAC_OVERRIDE
+CapabilityBoundingSet=~CAP_NET_ADMIN CAP_NET_BROADCAST CAP_NET_RAW
+CapabilityBoundingSet=~CAP_SYS_ADMIN CAP_SYS_PTRACE CAP_SYSLOG
+
 [Install]
 WantedBy=multi-user.target

scripts/install

@@ -101,7 +101,7 @@ ynh_use_logrotate
 ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 # Start a systemd service
-ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name="$app" --action="start" --log_path="systemd"
 
 #=================================================
 # END OF SCRIPT

scripts/restore

@@ -55,7 +55,7 @@ ynh_restore_file --origin_path="/etc/logrotate.d/$app"
 #=================================================
 ynh_script_progression --message="Reloading NGINX web server and $app's service..." --weight=1
 
-ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name="$app" --action="start" --log_path="systemd"
 
 ynh_systemd_action --service_name=nginx --action=reload
 

scripts/upgrade

@@ -16,7 +16,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
-ynh_systemd_action --service_name="$app" --action="stop" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name="$app" --action="stop" --log_path="systemd"
 
 #=================================================
 # UPGRADE DEPENDENCIES
@@ -31,7 +31,7 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version="$nodejs_version"
 ynh_script_progression --message="Upgrading source files..." --weight=1
 
 # Download, check integrity, uncompress and patch the source from app.src
-ynh_setup_source --dest_dir="$install_dir/source" --full_replace=1
+ynh_setup_source --dest_dir="$install_dir/source" --full_replace=1 --keep="$install_dir/.env"
 
 chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
@@ -97,7 +97,7 @@ ynh_use_logrotate --non-append
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=1
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name=$app --action="start" --log_path="systemd"
 
 #=================================================
 # END OF SCRIPT