implement key handling

Author: benderl

packages/helpermodules/setdata.py

@@ -1005,7 +1005,8 @@ def process_system_topic(self, msg: mqtt.MQTTMessage):
             elif "openWB/set/system/debug_level" in msg.topic:
                 self._validate_value(msg, int, [(10, 10), (20, 20), (30, 30)])
             elif ("openWB/set/system/ip_address" in msg.topic or
-                    "openWB/set/system/release_train" in msg.topic):
+                    "openWB/set/system/release_train" in msg.topic or
+                    "openWB/set/system/backup_password" in msg.topic):
                 self._validate_value(msg, str)
             elif "openWB/set/system/mqtt/bridge/" in msg.topic:
                 self._validate_value(msg, "json")

packages/helpermodules/subdata.py

@@ -870,6 +870,19 @@ def process_system_topic(self, client: mqtt.Client, var: dict, msg: mqtt.MQTTMes
                 user = splitted[2] if len(splitted) > 2 else "getsupport"
                 run_command([str(Path(__file__).resolve().parents[2] / "runs" / "start_remote_support.sh"),
                              token, port, user], process_exception=True)
+            elif "openWB/system/backup_password" in msg.topic:
+                if self.event_subdata_initialized.is_set():
+                    password = decode_payload(msg.payload)
+                    # delete password file if length = 0 and file exists
+                    if password is None or password == "":
+                        if Path("/home/openwb/backup.key").exists():
+                            Path("/home/openwb/backup.key").unlink()
+                            log.warning("Backup-Kennwortdatei gelöscht.")
+                    else:
+                        # write password to file
+                        with open("/home/openwb/backup.key", "w", encoding="utf-8") as f:
+                            f.write(password)
+                            log.warning("Backup-Kennwortdatei geschrieben.")
             elif "openWB/system/backup_cloud/config" in msg.topic:
                 config_dict = decode_payload(msg.payload)
                 if config_dict["type"] is None:

packages/helpermodules/update_config.py

@@ -467,6 +467,7 @@ class UpdateConfig:
         "^openWB/system/backup_cloud/config$",
         "^openWB/system/boot_done$",
         "^openWB/system/configurable/backup_clouds$",
+        "^openWB/system/backup_password$",
         "^openWB/system/backup_cloud/backup_before_update$",
         "^openWB/system/configurable/chargepoints$",
         "^openWB/system/configurable/chargepoints_internal$",
@@ -526,8 +527,8 @@ class UpdateConfig:
         ("openWB/vehicle/0/ev_template", ev.Ev(0).ev_template.data.id),
         ("openWB/vehicle/0/tag_id", ev.Ev(0).data.tag_id),
         ("openWB/vehicle/0/get/soc", ev.Ev(0).data.get.soc),
-        ("openWB/vehicle/template/ev_template/0", asdict(EvTemplateData(name="Standard-Fahrzeug-Profil",
-                                                                        min_current=10))),
+        ("openWB/vehicle/template/ev_template/0",
+         asdict(EvTemplateData(name="Standard-Fahrzeug-Profil", min_current=10))),
         ("openWB/vehicle/template/charge_template/0", get_charge_template_default()),
         ("openWB/general/charge_log_data_config", get_default_charge_log_columns()),
         ("openWB/general/chargemode_config/pv_charging/bat_mode", BatConsiderationMode.EV_MODE.value),
@@ -582,6 +583,7 @@ class UpdateConfig:
         ("openWB/optional/monitoring/config", NO_MODULE),
         ("openWB/optional/ocpp/config", dataclass_utils.asdict(Ocpp())),
         ("openWB/optional/rfid/active", False),
+        ("openWB/system/backup_password", None),
         ("openWB/system/backup_cloud/config", NO_MODULE),
         ("openWB/system/backup_cloud/backup_before_update", True),
         ("openWB/system/installAssistantDone", False),

runs/factory_reset.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 OPENWBBASEDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
+OPENWBHOMEDIR="/home/openwb"
 
 if (( $(id -u) != 0 )); then
 	echo "this script has to be run as root or with sudo"
@@ -27,6 +28,8 @@ case "$1" in
 		timeout 3 mosquitto_sub -t '#' --remove-retained --retained-only -p 1886
 		echo "deleting log data"
 		rm -r "$OPENWBBASEDIR/data/charge_log/"* "$OPENWBBASEDIR/data/daily_log/"* "$OPENWBBASEDIR/data/log/"*.log "$OPENWBBASEDIR/data/monthly_log/"*
+		echo "deleting backup key if set"
+		rm -f "$OPENWBHOMEDIR/backup.key"
 		echo "reset display rotation"
 		sudo sed -i "s/^lcd_rotate=[0-3]$/lcd_rotate=0/" "/boot/config.txt"
 		if [ -n "$cloud_bridge" ]; then