Add reauth flow to Pterodactyl (#142285)

* Add reauth flow

* Add common function to validate connection in config flow

* Fix remaining review findings

homeassistant/components/pterodactyl/config_flow.py

@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+from collections.abc import Mapping
 import logging
 from typing import Any
 
@@ -29,36 +30,81 @@ STEP_USER_DATA_SCHEMA = vol.Schema(
     }
 )
 
+STEP_REAUTH_DATA_SCHEMA = vol.Schema(
+    {
+        vol.Required(CONF_API_KEY): str,
+    }
+)
+
 
 class PterodactylConfigFlow(ConfigFlow, domain=DOMAIN):
     """Handle a config flow for Pterodactyl."""
 
     VERSION = 1
 
+    async def async_validate_connection(self, url: str, api_key: str) -> dict[str, str]:
+        """Validate the connection to the Pterodactyl server."""
+        errors: dict[str, str] = {}
+        api = PterodactylAPI(self.hass, url, api_key)
+
+        try:
+            await api.async_init()
+        except PterodactylAuthorizationError:
+            errors["base"] = "invalid_auth"
+        except PterodactylConnectionError:
+            errors["base"] = "cannot_connect"
+        except Exception:
+            _LOGGER.exception("Unexpected exception occurred during config flow")
+            errors["base"] = "unknown"
+
+        return errors
+
     async def async_step_user(
         self, user_input: dict[str, Any] | None = None
     ) -> ConfigFlowResult:
         """Handle the initial step."""
         errors: dict[str, str] = {}
+
         if user_input is not None:
             url = URL(user_input[CONF_URL]).human_repr()
             api_key = user_input[CONF_API_KEY]
 
             self._async_abort_entries_match({CONF_URL: url})
-            api = PterodactylAPI(self.hass, url, api_key)
+            errors = await self.async_validate_connection(url, api_key)
 
-            try:
-                await api.async_init()
-            except PterodactylAuthorizationError:
-                errors["base"] = "invalid_auth"
-            except PterodactylConnectionError:
-                errors["base"] = "cannot_connect"
-            except Exception:
-                _LOGGER.exception("Unexpected exception occurred during config flow")
-                errors["base"] = "unknown"
-            else:
+            if not errors:
                 return self.async_create_entry(title=url, data=user_input)
 
         return self.async_show_form(
             step_id="user", data_schema=STEP_USER_DATA_SCHEMA, errors=errors
         )
+
+    async def async_step_reauth(
+        self, entry_data: Mapping[str, Any]
+    ) -> ConfigFlowResult:
+        """Perform re-authentication on an API authentication error."""
+        return await self.async_step_reauth_confirm()
+
+    async def async_step_reauth_confirm(
+        self, user_input: Mapping[str, Any] | None = None
+    ) -> ConfigFlowResult:
+        """Dialog that informs the user that re-authentication is required."""
+        errors: dict[str, str] = {}
+
+        if user_input is not None:
+            reauth_entry = self._get_reauth_entry()
+            url = reauth_entry.data[CONF_URL]
+            api_key = user_input[CONF_API_KEY]
+
+            errors = await self.async_validate_connection(url, api_key)
+
+            if not errors:
+                return self.async_update_reload_and_abort(
+                    reauth_entry, data_updates=user_input
+                )
+
+        return self.async_show_form(
+            step_id="reauth_confirm",
+            data_schema=STEP_REAUTH_DATA_SCHEMA,
+            errors=errors,
+        )

homeassistant/components/pterodactyl/coordinator.py

@@ -8,6 +8,7 @@ import logging
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_API_KEY, CONF_URL
 from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import ConfigEntryAuthFailed
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
 from .api import (
@@ -55,12 +56,16 @@ class PterodactylCoordinator(DataUpdateCoordinator[dict[str, PterodactylData]]):
 
         try:
             await self.api.async_init()
-        except (PterodactylAuthorizationError, PterodactylConnectionError) as error:
+        except PterodactylConnectionError as error:
             raise UpdateFailed(error) from error
+        except PterodactylAuthorizationError as error:
+            raise ConfigEntryAuthFailed(error) from error
 
     async def _async_update_data(self) -> dict[str, PterodactylData]:
         """Get updated data from the Pterodactyl server."""
         try:
             return await self.api.async_get_data()
-        except (PterodactylAuthorizationError, PterodactylConnectionError) as error:
+        except PterodactylConnectionError as error:
             raise UpdateFailed(error) from error
+        except PterodactylAuthorizationError as error:
+            raise ConfigEntryAuthFailed(error) from error

homeassistant/components/pterodactyl/quality_scale.yaml

@@ -51,7 +51,7 @@ rules:
     status: done
     comment: Handled by coordinator.
   parallel-updates: done
-  reauthentication-flow: todo
+  reauthentication-flow: done
   test-coverage: todo
 
   # Gold

homeassistant/components/pterodactyl/strings.json

@@ -10,6 +10,16 @@
           "url": "The URL of your Pterodactyl server, including the protocol (http:// or https://) and optionally the port number.",
           "api_key": "The account API key for accessing your Pterodactyl server."
         }
+      },
+      "reauth_confirm": {
+        "title": "[%key:common::config_flow::title::reauth%]",
+        "description": "Please update your account API key.",
+        "data": {
+          "api_key": "[%key:common::config_flow::data::api_key%]"
+        },
+        "data_description": {
+          "api_key": "[%key:component::pterodactyl::config::step::user::data_description::api_key%]"
+        }
       }
     },
     "error": {
@@ -18,7 +28,8 @@
       "unknown": "[%key:common::config_flow::error::unknown%]"
     },
     "abort": {
-      "already_configured": "[%key:common::config_flow::abort::already_configured_service%]"
+      "already_configured": "[%key:common::config_flow::abort::already_configured_service%]",
+      "reauth_successful": "[%key:common::config_flow::abort::reauth_successful%]"
     }
   },
   "entity": {

tests/components/pterodactyl/test_config_flow.py

@@ -8,10 +8,11 @@ from requests.models import Response
 
 from homeassistant.components.pterodactyl.const import DOMAIN
 from homeassistant.config_entries import SOURCE_USER
+from homeassistant.const import CONF_API_KEY, CONF_URL
 from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import FlowResultType
 
-from .conftest import TEST_URL, TEST_USER_INPUT
+from .conftest import TEST_API_KEY, TEST_URL, TEST_USER_INPUT
 
 from tests.common import MockConfigEntry
 
@@ -90,11 +91,10 @@ async def test_recovery_after_error(
     assert result["data"] == TEST_USER_INPUT
 
 
-@pytest.mark.usefixtures("mock_setup_entry")
+@pytest.mark.usefixtures("mock_setup_entry", "mock_pterodactyl")
 async def test_service_already_configured(
     hass: HomeAssistant,
     mock_config_entry: MockConfigEntry,
-    mock_pterodactyl: PterodactylClient,
 ) -> None:
     """Test config flow abort if the Pterodactyl server is already configured."""
     mock_config_entry.add_to_hass(hass)
@@ -105,3 +105,68 @@ async def test_service_already_configured(
 
     assert result["type"] is FlowResultType.ABORT
     assert result["reason"] == "already_configured"
+
+
+@pytest.mark.usefixtures("mock_pterodactyl", "mock_setup_entry")
+async def test_reauth_full_flow(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test reauth config flow success."""
+    mock_config_entry.add_to_hass(hass)
+    result = await mock_config_entry.start_reauth_flow(hass)
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "reauth_confirm"
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"], user_input={CONF_API_KEY: TEST_API_KEY}
+    )
+
+    assert result["type"] is FlowResultType.ABORT
+    assert result["reason"] == "reauth_successful"
+    assert mock_config_entry.data[CONF_URL] == TEST_URL
+    assert mock_config_entry.data[CONF_API_KEY] == TEST_API_KEY
+
+
+@pytest.mark.usefixtures("mock_setup_entry")
+@pytest.mark.parametrize(
+    ("exception_type", "expected_error"),
+    [
+        (PterodactylApiError, "cannot_connect"),
+        (BadRequestError, "cannot_connect"),
+        (Exception, "unknown"),
+        (HTTPError(response=mock_response()), "invalid_auth"),
+    ],
+)
+async def test_reauth_recovery_after_error(
+    hass: HomeAssistant,
+    exception_type: Exception,
+    expected_error: str,
+    mock_config_entry: MockConfigEntry,
+    mock_pterodactyl: PterodactylClient,
+) -> None:
+    """Test recovery after an error during re-authentication."""
+    mock_config_entry.add_to_hass(hass)
+    result = await mock_config_entry.start_reauth_flow(hass)
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "reauth_confirm"
+
+    mock_pterodactyl.client.servers.list_servers.side_effect = exception_type
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"], user_input={CONF_API_KEY: TEST_API_KEY}
+    )
+
+    assert result["type"] is FlowResultType.FORM
+    assert result["errors"] == {"base": expected_error}
+
+    mock_pterodactyl.reset_mock(side_effect=True)
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"], user_input={CONF_API_KEY: TEST_API_KEY}
+    )
+
+    assert result["type"] is FlowResultType.ABORT
+    assert result["reason"] == "reauth_successful"
+    assert mock_config_entry.data[CONF_URL] == TEST_URL
+    assert mock_config_entry.data[CONF_API_KEY] == TEST_API_KEY