Honour WEB_CONFIG_ENABLED = False, and allow .home.arpa host names - #618
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Two release blockers in the dashboard's newly default-on path. The config editor was registered on `enable_web_config or enable_dashboard`, and both the dashboard and its write flag now default on. So an upgrade served /config, GET/POST /api/config and /api/restart on the LAN port to someone who had explicitly set WEB_CONFIG_ENABLED = False — the one user who went looking for the switch that closes it. A config write is a `[SCRIPT]` section away from being a shell command, so this is not a cosmetic override. The setting is tri-state now, which is what lets it be honoured without turning the feature off for everyone: unset (the default) follows the dashboard, whose Configuration tab is that editor; True serves it with no dashboard, as the flag meant before there was one; False refuses it either way. The dashboard reports no `config_mode` when the editor is off, so the page hides the tab rather than linking to routes that are not there — the same signal an ESPHome device sends about its compiled-in settings. The add-on's options mode leaves the flag unset instead of saying False: there is no config file to edit there, but saying so would take the guided form's tab with it, and the ha_simple guard already refuses the write. Second, the host guard refused every router-assigned name. `.home.arpa` is reserved for home networks (RFC 8375), so the root delegates it to nobody and no outside nameserver can be asked about a name under it — it can join IP literals, localhost and `.local` in the built-in allowlist. `.fritz.box` and `.lan` cannot: `.box` is a real gTLD and `.lan` an ordinary label, so both stay DASHBOARD_ALLOWED_HOSTS decisions — which the docs, the changelog and the refusal page now all say, since AVM hands `.fritz.box` names to every host on the LAN and that refusal is otherwise a mystery. Mirrored in `controls::is_allowed_host` for the firmware, whose dashboard has no login either. The generator's editor checkbox becomes the same tri-state select it already uses for WAIT_FOR_NEXT_MESSAGE, so a generated config can express "off" rather than only "on". Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01C1mJeAP2qCCYN4PMvBdEix
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WalkthroughChangesWeb configuration behavior
Estimated code review effort: 3 (Moderate) | ~25 minutes Merge Risk: 🟡 Moderate · up to The PR changes how web configuration settings are migrated and can silently enable or disable the configuration surface for existing users, while the release notes could mislead operators about when the configuration editor remains available. Merge should wait for the migration handling and documentation to be corrected. Sequence Diagram(s)sequenceDiagram
participant Configuration
participant WebServer
participant StatusRegistry
participant Dashboard
Configuration->>WebServer: provide WEB_CONFIG_ENABLED
WebServer->>WebServer: resolve editor availability
WebServer->>StatusRegistry: update configuration capabilities
WebServer->>Dashboard: register or omit configuration routes
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✅ Passed checks (4 passed)
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Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01C1mJeAP2qCCYN4PMvBdEix
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tomquist
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In `@CHANGELOG.md`:
- Line 19: Correct the CHANGELOG statement for DASHBOARD_ENABLED to reflect that
setting it to False does not disable the configuration editor or health
endpoints when WEB_CONFIG_ENABLED remains True; state the accurate behavior
without claiming that nothing is served.
In `@docs/dashboard.md`:
- Around line 118-120: Update the WEB_CONFIG_ENABLED documentation near its
configuration examples to explicitly describe the True state: it keeps /config
available when DASHBOARD_ENABLED is False. Clarify that WEB_CONFIG_ENABLED
controls the configuration surface, not dashboard write permission, while
retaining the existing omission and False behavior.
In `@web/ts/state.ts`:
- Around line 25-28: Update webConfigEnabled to use the "" | "true" | "false"
value set, and adjust migrate() to convert legacy boolean true/false to
"true"/"false" while normalizing unknown strings to "". Add migration tests
covering both boolean values and invalid strings.
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CHANGELOG.mdconfig.ini.exampledocs/dashboard.mdesphome/components/ct002/controls.cppesphome/components/ct002/dashboard_asset.hha_addon/translations/en.yamlsrc/astrameter/config/addon.pysrc/astrameter/config/addon_test.pysrc/astrameter/config/ini_config.pysrc/astrameter/config/ini_config_test.pysrc/astrameter/config/settings.pysrc/astrameter/static/dashboard.htmlsrc/astrameter/status/registry.pysrc/astrameter/web_server.pysrc/astrameter/web_server_test.pytests/components/ct002/host_controls_test.cpptests/data/addon_golden_settings.jsontests/test_addon_golden_settings.pyweb/ts/app.tsweb/ts/dashboard/option-meta.tsweb/ts/generate.test.tsweb/ts/generate.tsweb/ts/state.ts
Review follow-ups. `migrate()` exists to bring a state saved before a field changed shape forward, and this one changed from a checkbox to a tri-state select — so a stored boolean now hit `asStr`, which dropped it to "" and lost a user's answer. `true` maps to "true"; `false` maps to *unset*, not to "off", since the checkbox could not say "keep the dashboard's Configuration tab out" and restoring it as that would take the tab from everyone who comes back to the generator. Values outside the three known ones normalise the same way rather than reaching the generator, which reads every non-"true" string as False. Also two documentation corrections: the changelog claimed `DASHBOARD_ENABLED = False` serves nothing, when the health check is always left, and the docs described only two of the flag's three states. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01C1mJeAP2qCCYN4PMvBdEix
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Why
Two things worth settling before the next release, both in the dashboard's newly default-on path.
The config editor ignored
WEB_CONFIG_ENABLED = False. It was registered onenable_web_config or enable_dashboard, and the dashboard plus its write flag now both default on. So upgrading served/config,GET/POST /api/configand/api/restarton the unauthenticated LAN port to the one user who had gone looking for the switch that closes it. A config write is a[SCRIPT]section away from being a shell command, so this is not a cosmetic override. Verified against the real route table before the fix:GET /config→ 200,GET /api/config→ 200,POST /api/config→ 200,POST /api/restart→ 202, with the flag explicitly false.The host guard refused every router-assigned name.
nas.fritz.box→ 403, and so did the pre-existing config editor reached that way even withDASHBOARD_ENABLED = False— so 2.2.4 users who open it by name lose access on upgrade without changing anything. AVM hands.fritz.boxnames to every host on the LAN, which makes this the most likely support thread of the release.What changed
WEB_CONFIG_ENABLEDis tri-state, which is what letsFalsebe honoured without turning the feature off for everyone who never set it:TrueFalseWebServer.serve_config_editordecides route registration, so the whole surface disappears together. The status document then omitsconfig_mode, so the page hides the Configuration tab rather than linking to routes that are not there — the same signal an ESPHome device sends about its compiled-in settings. The add-on's guided mode leaves the flag unset instead of sayingFalse: there is no config file to edit there, but saying so would take the guided form's tab with it, and theha_simpleguard already refuses that write..home.arpajoins the built-in allowlist. RFC 8375 reserves it for home networks, so the root delegates it to nobody and no outside nameserver can be asked about a name under it — the same property that makeslocalhostand.localsafe..fritz.boxand.landeliberately stay out:.boxis a real gTLD and.lanan ordinary label, so a nameserver can answer for either. Instead they are named explicitly as the case that needsDASHBOARD_ALLOWED_HOSTS, in the docs,config.ini.example, the add-on option text, the generator help, a new troubleshooting entry and the changelog. Mirrored incontrols::is_allowed_host, whose dashboard has no login either.The generator's editor checkbox becomes the tri-state select it already uses for
WAIT_FOR_NEXT_MESSAGE, so a generated config can express "off" and not only "on".Testing
ruff format --check,ruff check,mypyclean; 1532 passed, 98 skippedhost_controls_test)test_shared_e2e.py34 passed, no skipswebchecks pass and both dashboard artifacts are regenerated and committedTruestill serves without one; the INI round trip keeps unset apart from off;.home.arpaaccepted and.fritz.box/.lanrefused on both stacksNot run locally: the
esphome compilematrix.dashboard.cppis untouched and the one-line change incontrols.cppis covered by the host gtest, so CI's matrix is the check.Checklist
develop, notmainuv run ruff format . && uv run ruff check . && uv run mypy src/ && uv run pytestis_allowed_hostmirrored, with tests on both sides)web/changes: rebuilt the dashboard bundle and committed it## Next, which is the same change this follows uphttps://claude.ai/code/session_01C1mJeAP2qCCYN4PMvBdEix
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Summary by CodeRabbit
.home.arpahostnames are automatically accepted for dashboard access..boxand.lannames now require explicit approval.