mirror of
https://github.com/meshtastic/Meshtastic-Android.git
synced 2026-04-20 22:23:37 +00:00
e7ba8e8497
Implement the client-side TAK passphrase authentication flow for
devices running TAK-locked firmware.
Key components:
- TakPassphraseStore: per-device passphrase persistence using
EncryptedSharedPreferences (Android Keystore AES-256-GCM), with
boot and hour TTL fields stored alongside the passphrase
- TakLockHandler: orchestrates the full lock/unlock lifecycle —
auto-unlock on reconnect using stored credentials, passphrase
submission, token info parsing, and backoff/failure handling
- MeshCommandSender: sendTakPassphrase() and sendTakLockNow() build
plain local packets that bypass PKC signing and session_passkey;
hour TTL is encoded as an absolute Unix epoch as required by firmware
- ServiceRepository: TakLockState sealed class (None, Locked,
NeedsProvision, Unlocked, LockNowAcknowledged, UnlockFailed,
UnlockBackoff), TakTokenInfo (boots remaining + expiry epoch), and
sessionAuthorized flag
- TakUnlockDialog: Compose dialog for passphrase entry, shown on
Locked and NeedsProvision states; onDismissRequest is a no-op to
prevent race conditions with firmware response timing; cancel
disconnects the user and navigates to the Connections tab
- Lock Now (Security settings): immediately disconnects the client
after informing firmware, purges cached config, navigates away
without showing a passphrase dialog
- ConnectionsScreen: suppress "region unset" prompt while the device
is TAK-locked, since pre-auth config is zeroed/redacted and would
lead the user to a blank LoRa settings screen
- AIDL: sendTakUnlock() and sendTakLockNow() wired through
MeshService → MeshActionHandler → TakLockHandler
- Security settings: "Lock Now (TAK)" button and token info display
showing boots remaining and expiry date
49 lines
1.7 KiB
Kotlin
49 lines
1.7 KiB
Kotlin
/*
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* Copyright (c) 2025-2026 Meshtastic LLC
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.geeksville.mesh.service
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import kotlinx.coroutines.CoroutineScope
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import javax.inject.Inject
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import javax.inject.Singleton
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/**
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* Orchestrates the specialized packet handlers for the [MeshService]. This class serves as a central registry and
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* lifecycle manager for all routing sub-components.
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*/
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@Suppress("LongParameterList")
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@Singleton
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class MeshRouter
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@Inject
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constructor(
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val dataHandler: MeshDataHandler,
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val configHandler: MeshConfigHandler,
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val tracerouteHandler: MeshTracerouteHandler,
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val neighborInfoHandler: MeshNeighborInfoHandler,
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val configFlowManager: MeshConfigFlowManager,
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val mqttManager: MeshMqttManager,
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val actionHandler: MeshActionHandler,
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val takLockHandler: TakLockHandler,
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) {
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fun start(scope: CoroutineScope) {
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dataHandler.start(scope)
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configHandler.start(scope)
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tracerouteHandler.start(scope)
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neighborInfoHandler.start(scope)
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configFlowManager.start(scope)
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actionHandler.start(scope)
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}
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}
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