Merge branch 'dev' into light_bitmask

esphome/dashboard/web_server.py

@@ -1058,7 +1058,8 @@ class DownloadBinaryRequestHandler(BaseHandler):
             "download",
             f"{storage_json.name}-{file_name}",
         )
-        path = storage_json.firmware_bin_path.with_name(file_name)
+
+        path = storage_json.firmware_bin_path.parent.joinpath(file_name)
 
         if not path.is_file():
             args = ["esphome", "idedata", settings.rel_path(configuration)]

requirements.txt

@@ -12,7 +12,7 @@ platformio==6.1.18  # When updating platformio, also update /docker/Dockerfile
 esptool==5.1.0
 click==8.1.7
 esphome-dashboard==20251013.0
-aioesphomeapi==42.0.0
+aioesphomeapi==42.1.0
 zeroconf==0.148.0
 puremagic==1.30
 ruamel.yaml==0.18.15 # dashboard_import

tests/components/absolute_humidity/common.yaml

@@ -8,14 +8,12 @@ sensor:
     lambda: |-
       if (millis() > 10000) {
         return 0.6;
-      } else {
-        return 0.0;
       }
+      return 0.0;
   - platform: template
     id: template_temperature
     lambda: |-
       if (millis() > 10000) {
         return 42.0;
-      } else {
-        return 0.0;
       }
+      return 0.0;

tests/components/analog_threshold/common.yaml

@@ -5,9 +5,8 @@ sensor:
     lambda: |-
       if (millis() > 10000) {
         return 42.0;
-      } else {
-        return 0.0;
       }
+      return 0.0;
     update_interval: 15s
 
 binary_sensor:

tests/components/binary_sensor/common.yaml

@@ -23,9 +23,8 @@ binary_sensor:
       - lambda: |-
           if (id(some_binary_sensor).state) {
             return x;
-          } else {
-            return {};
           }
+          return {};
       - settle: 100ms
       - timeout: 10s
 

tests/components/binary_sensor_map/common.yaml

@@ -4,25 +4,22 @@ binary_sensor:
     lambda: |-
       if (millis() > 10000) {
         return true;
-      } else {
-        return false;
       }
+      return false;
   - platform: template
     id: bin2
     lambda: |-
       if (millis() > 20000) {
         return true;
-      } else {
-        return false;
       }
+      return false;
   - platform: template
     id: bin3
     lambda: |-
       if (millis() > 30000) {
         return true;
-      } else {
-        return false;
       }
+      return false;
 
 sensor:
   - platform: binary_sensor_map

tests/components/combination/common.yaml

@@ -4,17 +4,15 @@ sensor:
     lambda: |-
       if (millis() > 10000) {
         return 0.6;
-      } else {
-        return 0.0;
       }
+      return 0.0;
   - platform: template
     id: template_temperature2
     lambda: |-
       if (millis() > 20000) {
         return 0.8;
-      } else {
-        return 0.0;
       }
+      return 0.0;
   - platform: combination
     type: kalman
     name: Kalman-filtered temperature

tests/components/duty_time/common.yaml

@@ -4,9 +4,8 @@ binary_sensor:
     lambda: |-
       if (millis() > 10000) {
         return true;
-      } else {
-        return false;
       }
+      return false;
 
 sensor:
   - platform: duty_time

tests/components/endstop/common.yaml

@@ -4,9 +4,8 @@ binary_sensor:
     lambda: |-
       if (millis() > 10000) {
         return true;
-      } else {
-        return false;
       }
+      return false;
 
 switch:
   - platform: template

tests/components/lock/common.yaml

@@ -17,9 +17,8 @@ lock:
     lambda: |-
       if (millis() > 10000) {
         return LOCK_STATE_LOCKED;
-      } else {
-        return LOCK_STATE_UNLOCKED;
       }
+      return LOCK_STATE_UNLOCKED;
     optimistic: true
     assumed_state: false
     on_unlock:

tests/components/mqtt/common.yaml

@@ -72,10 +72,9 @@ binary_sensor:
       if (id(template_sens).state > 30) {
         // Garage Door is open.
         return true;
-      } else {
-        // Garage Door is closed.
-        return false;
       }
+      // Garage Door is closed.
+      return false;
     on_state:
       - mqtt.publish:
           topic: some/topic/binary_sensor
@@ -217,9 +216,8 @@ cover:
     lambda: |-
       if (id(some_binary_sensor).state) {
         return COVER_OPEN;
-      } else {
-        return COVER_CLOSED;
       }
+      return COVER_CLOSED;
     open_action:
       - logger.log: open_action
     close_action:
@@ -321,9 +319,8 @@ lock:
     lambda: |-
       if (id(some_binary_sensor).state) {
         return LOCK_STATE_LOCKED;
-      } else {
-        return LOCK_STATE_UNLOCKED;
       }
+      return LOCK_STATE_UNLOCKED;
     lock_action:
       - logger.log: lock_action
     unlock_action:
@@ -360,9 +357,8 @@ sensor:
     lambda: |-
       if (id(some_binary_sensor).state) {
         return 42.0;
-      } else {
-        return 0.0;
       }
+      return 0.0;
     update_interval: 60s
     on_value:
       - mqtt.publish:
@@ -390,9 +386,8 @@ switch:
     lambda: |-
       if (id(some_binary_sensor).state) {
         return true;
-      } else {
-        return false;
       }
+      return false;
     turn_on_action:
       - logger.log: turn_on_action
     turn_off_action:
@@ -436,9 +431,8 @@ valve:
     lambda: |-
       if (id(some_binary_sensor).state) {
         return VALVE_OPEN;
-      } else {
-        return VALVE_CLOSED;
       }
+      return VALVE_CLOSED;
 
 alarm_control_panel:
   - platform: template

tests/components/pid/common.yaml

@@ -27,9 +27,8 @@ sensor:
     lambda: |-
       if (millis() > 10000) {
         return 42.0;
-      } else {
-        return 0.0;
       }
+      return 0.0;
     update_interval: 60s
 
 climate:

tests/components/prometheus/common.yaml

@@ -35,9 +35,8 @@ sensor:
     lambda: |-
       if (millis() > 10000) {
         return 42.0;
-      } else {
-        return 0.0;
       }
+      return 0.0;
     update_interval: 60s
 
 text_sensor:
@@ -49,9 +48,8 @@ text_sensor:
     lambda: |-
       if (millis() > 10000) {
         return {"Hello World"};
-      } else {
-        return {"Goodbye (cruel) World"};
       }
+      return {"Goodbye (cruel) World"};
     update_interval: 60s
 
 binary_sensor:
@@ -60,9 +58,8 @@ binary_sensor:
     lambda: |-
       if (millis() > 10000) {
         return true;
-      } else {
-        return false;
       }
+      return false;
 
 switch:
   - platform: template
@@ -70,9 +67,8 @@ switch:
     lambda: |-
       if (millis() > 10000) {
         return true;
-      } else {
-        return false;
       }
+      return false;
     optimistic: true
 
 fan:
@@ -85,9 +81,8 @@ cover:
     lambda: |-
       if (millis() > 10000) {
         return COVER_OPEN;
-      } else {
-        return COVER_CLOSED;
       }
+      return COVER_CLOSED;
 
 lock:
   - platform: template
@@ -95,9 +90,8 @@ lock:
     lambda: |-
       if (millis() > 10000) {
         return LOCK_STATE_LOCKED;
-      } else {
-        return LOCK_STATE_UNLOCKED;
       }
+      return LOCK_STATE_UNLOCKED;
     optimistic: true
 
 select:

tests/components/template/common-base.yaml

@@ -59,9 +59,8 @@ binary_sensor:
       - lambda: |-
           if (id(other_binary_sensor).state) {
             return x;
-          } else {
-            return {};
           }
+          return {};
       - settle: 500ms
       - timeout: 5s
 
@@ -72,9 +71,8 @@ sensor:
     lambda: |-
       if (id(some_binary_sensor).state) {
         return 42.0;
-      } else {
-        return 0.0;
       }
+      return 0.0;
     update_interval: 60s
     filters:
       - calibrate_linear:
@@ -183,9 +181,8 @@ switch:
     lambda: |-
       if (id(some_binary_sensor).state) {
         return true;
-      } else {
-        return false;
       }
+      return false;
     turn_on_action:
       - logger.log: "turn_on_action"
     turn_off_action:
@@ -203,9 +200,8 @@ cover:
     lambda: |-
       if (id(some_binary_sensor).state) {
         return COVER_OPEN;
-      } else {
-        return COVER_CLOSED;
       }
+      return COVER_CLOSED;
     open_action:
       - logger.log: open_action
     close_action:
@@ -238,9 +234,8 @@ lock:
     lambda: |-
       if (id(some_binary_sensor).state) {
         return LOCK_STATE_LOCKED;
-      } else {
-        return LOCK_STATE_UNLOCKED;
       }
+      return LOCK_STATE_UNLOCKED;
     lock_action:
       - logger.log: lock_action
     unlock_action:
@@ -255,9 +250,8 @@ valve:
     lambda: |-
       if (id(some_binary_sensor).state) {
         return VALVE_OPEN;
-      } else {
-        return VALVE_CLOSED;
       }
+      return VALVE_CLOSED;
     open_action:
       - logger.log: open_action
     close_action:

tests/components/total_daily_energy/common.yaml

@@ -17,10 +17,10 @@ sensor:
       name: HLW8012 Voltage
     power:
       name: HLW8012 Power
-      id: hlw8012_power
+      id: total_daily_energy_hlw8012_power
     energy:
       name: HLW8012 Energy
-      id: hlw8012_energy
+      id: total_daily_energy_hlw8012_energy
     update_interval: 15s
     current_resistor: 0.001 ohm
     voltage_divider: 2351
@@ -29,4 +29,4 @@ sensor:
     model: hlw8012
   - platform: total_daily_energy
     name: HLW8012 Total Daily Energy
-    power_id: hlw8012_power
+    power_id: total_daily_energy_hlw8012_power

tests/dashboard/test_web_server.py

@@ -35,6 +35,26 @@ from esphome.zeroconf import DiscoveredImport
 from .common import get_fixture_path
 
 
+def get_build_path(base_path: Path, device_name: str) -> Path:
+    """Get the build directory path for a device.
+
+    This is a test helper that constructs the standard ESPHome build directory
+    structure. Note: This helper does NOT perform path traversal sanitization
+    because it's only used in tests where we control the inputs. The actual
+    web_server.py code handles sanitization in DownloadBinaryRequestHandler.get()
+    via file_name.replace("..", "").lstrip("/").
+
+    Args:
+        base_path: The base temporary path (typically tmp_path from pytest)
+        device_name: The name of the device (should not contain path separators
+                     in production use, but tests may use it for specific scenarios)
+
+    Returns:
+        Path to the build directory (.esphome/build/device_name)
+    """
+    return base_path / ".esphome" / "build" / device_name
+
+
 class DashboardTestHelper:
     def __init__(self, io_loop: IOLoop, client: AsyncHTTPClient, port: int) -> None:
         self.io_loop = io_loop
@@ -417,6 +437,180 @@ async def test_download_binary_handler_idedata_fallback(
     assert response.body == b"bootloader content"
 
 
+@pytest.mark.asyncio
+@pytest.mark.usefixtures("mock_ext_storage_path")
+async def test_download_binary_handler_subdirectory_file(
+    dashboard: DashboardTestHelper,
+    tmp_path: Path,
+    mock_storage_json: MagicMock,
+) -> None:
+    """Test the DownloadBinaryRequestHandler.get with file in subdirectory (nRF52 case).
+
+    This is a regression test for issue #11343 where the Path migration broke
+    downloads for nRF52 firmware files in subdirectories like 'zephyr/zephyr.uf2'.
+
+    The issue was that with_name() doesn't accept path separators:
+    - Before: path = storage_json.firmware_bin_path.with_name(file_name)
+      ValueError: Invalid name 'zephyr/zephyr.uf2'
+    - After: path = storage_json.firmware_bin_path.parent.joinpath(file_name)
+      Works correctly with subdirectory paths
+    """
+    # Create a fake nRF52 build structure with firmware in subdirectory
+    build_dir = get_build_path(tmp_path, "nrf52-device")
+    zephyr_dir = build_dir / "zephyr"
+    zephyr_dir.mkdir(parents=True)
+
+    # Create the main firmware binary (would be in build root)
+    firmware_file = build_dir / "firmware.bin"
+    firmware_file.write_bytes(b"main firmware")
+
+    # Create the UF2 file in zephyr subdirectory (nRF52 specific)
+    uf2_file = zephyr_dir / "zephyr.uf2"
+    uf2_file.write_bytes(b"nRF52 UF2 firmware content")
+
+    # Mock storage JSON
+    mock_storage = Mock()
+    mock_storage.name = "nrf52-device"
+    mock_storage.firmware_bin_path = firmware_file
+    mock_storage_json.load.return_value = mock_storage
+
+    # Request the UF2 file with subdirectory path
+    response = await dashboard.fetch(
+        "/download.bin?configuration=nrf52-device.yaml&file=zephyr/zephyr.uf2",
+        method="GET",
+    )
+    assert response.code == 200
+    assert response.body == b"nRF52 UF2 firmware content"
+    assert response.headers["Content-Type"] == "application/octet-stream"
+    assert "attachment" in response.headers["Content-Disposition"]
+    # Download name should be device-name + full file path
+    assert "nrf52-device-zephyr/zephyr.uf2" in response.headers["Content-Disposition"]
+
+
+@pytest.mark.asyncio
+@pytest.mark.usefixtures("mock_ext_storage_path")
+async def test_download_binary_handler_subdirectory_file_url_encoded(
+    dashboard: DashboardTestHelper,
+    tmp_path: Path,
+    mock_storage_json: MagicMock,
+) -> None:
+    """Test the DownloadBinaryRequestHandler.get with URL-encoded subdirectory path.
+
+    Verifies that URL-encoded paths (e.g., zephyr%2Fzephyr.uf2) are correctly
+    decoded and handled, and that custom download names work with subdirectories.
+    """
+    # Create a fake build structure with firmware in subdirectory
+    build_dir = get_build_path(tmp_path, "test")
+    zephyr_dir = build_dir / "zephyr"
+    zephyr_dir.mkdir(parents=True)
+
+    firmware_file = build_dir / "firmware.bin"
+    firmware_file.write_bytes(b"content")
+
+    uf2_file = zephyr_dir / "zephyr.uf2"
+    uf2_file.write_bytes(b"content")
+
+    # Mock storage JSON
+    mock_storage = Mock()
+    mock_storage.name = "test_device"
+    mock_storage.firmware_bin_path = firmware_file
+    mock_storage_json.load.return_value = mock_storage
+
+    # Request with URL-encoded path and custom download name
+    response = await dashboard.fetch(
+        "/download.bin?configuration=test.yaml&file=zephyr%2Fzephyr.uf2&download=custom_name.bin",
+        method="GET",
+    )
+    assert response.code == 200
+    assert "custom_name.bin" in response.headers["Content-Disposition"]
+
+
+@pytest.mark.asyncio
+@pytest.mark.usefixtures("mock_ext_storage_path")
+@pytest.mark.parametrize(
+    "attack_path",
+    [
+        pytest.param("../../../secrets.yaml", id="basic_traversal"),
+        pytest.param("..%2F..%2F..%2Fsecrets.yaml", id="url_encoded"),
+        pytest.param("zephyr/../../../secrets.yaml", id="traversal_with_prefix"),
+        pytest.param("/etc/passwd", id="absolute_path"),
+        pytest.param("//etc/passwd", id="double_slash_absolute"),
+        pytest.param("....//secrets.yaml", id="multiple_dots"),
+    ],
+)
+async def test_download_binary_handler_path_traversal_protection(
+    dashboard: DashboardTestHelper,
+    tmp_path: Path,
+    mock_storage_json: MagicMock,
+    attack_path: str,
+) -> None:
+    """Test that DownloadBinaryRequestHandler prevents path traversal attacks.
+
+    Verifies that attempts to use '..' in file paths are sanitized to prevent
+    accessing files outside the build directory. Tests multiple attack vectors.
+    """
+    # Create build structure
+    build_dir = get_build_path(tmp_path, "test")
+    build_dir.mkdir(parents=True)
+    firmware_file = build_dir / "firmware.bin"
+    firmware_file.write_bytes(b"firmware content")
+
+    # Create a sensitive file outside the build directory that should NOT be accessible
+    sensitive_file = tmp_path / "secrets.yaml"
+    sensitive_file.write_bytes(b"secret: my_secret_password")
+
+    # Mock storage JSON
+    mock_storage = Mock()
+    mock_storage.name = "test_device"
+    mock_storage.firmware_bin_path = firmware_file
+    mock_storage_json.load.return_value = mock_storage
+
+    # Attempt path traversal attack - should be blocked
+    with pytest.raises(HTTPClientError) as exc_info:
+        await dashboard.fetch(
+            f"/download.bin?configuration=test.yaml&file={attack_path}",
+            method="GET",
+        )
+    # Should get 404 (file not found after sanitization) or 500 (idedata fails)
+    assert exc_info.value.code in (404, 500)
+
+
+@pytest.mark.asyncio
+@pytest.mark.usefixtures("mock_ext_storage_path")
+async def test_download_binary_handler_multiple_subdirectory_levels(
+    dashboard: DashboardTestHelper,
+    tmp_path: Path,
+    mock_storage_json: MagicMock,
+) -> None:
+    """Test downloading files from multiple subdirectory levels.
+
+    Verifies that joinpath correctly handles multi-level paths like 'build/output/firmware.bin'.
+    """
+    # Create nested directory structure
+    build_dir = get_build_path(tmp_path, "test")
+    nested_dir = build_dir / "build" / "output"
+    nested_dir.mkdir(parents=True)
+
+    firmware_file = build_dir / "firmware.bin"
+    firmware_file.write_bytes(b"main")
+
+    nested_file = nested_dir / "firmware.bin"
+    nested_file.write_bytes(b"nested firmware content")
+
+    # Mock storage JSON
+    mock_storage = Mock()
+    mock_storage.name = "test_device"
+    mock_storage.firmware_bin_path = firmware_file
+    mock_storage_json.load.return_value = mock_storage
+
+    response = await dashboard.fetch(
+        "/download.bin?configuration=test.yaml&file=build/output/firmware.bin",
+        method="GET",
+    )
+    assert response.code == 200
+    assert response.body == b"nested firmware content"
+
+
 @pytest.mark.asyncio
 async def test_edit_request_handler_post_invalid_file(
     dashboard: DashboardTestHelper,

tests/integration/fixtures/batch_delay_zero_rapid_transitions.yaml

@@ -34,10 +34,9 @@ binary_sensor:
           ESP_LOGD("test", "Button ON at %u", now);
         }
         return true;
-      } else {
-        // Only log state change
-        if (id(ir_remote_button).state) {
-          ESP_LOGD("test", "Button OFF at %u", now);
-        }
-        return false;
       }
+      // Only log state change
+      if (id(ir_remote_button).state) {
+        ESP_LOGD("test", "Button OFF at %u", now);
+      }
+      return false;