Node / meshtastic / Meshtastic-Android / files / core / takserver / src / androidMain / kotlin / org / meshtastic / core / takserver / AtakFileWriter.kt

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T8b949e/*

* Copyright (c) 2026 Meshtastic LLC

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <https://www.gnu.org/licenses/>.

*/

Tff7b72package T7ee787org.meshtastic.core.takserver

Tff7b72import T7ee787co.touchlab.kermit.Logger

Tff7b72import T7ee787java.io.File

T8b949e/**

* Android implementation — writes route data packages to ATAK's monitored auto-import directory. Tries multiple

* locations in order of preference:

* 1. `/sdcard/atak/tools/datapackage/` (ATAK monitors this)

* 2. `/sdcard/Download/` (user can manually import from here)

*/

Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffTooGenericExceptionCaughtTa5d6ff"Tb4b4b4)

Tff7b72internal Tff7b72actual Tff7b72object T56d364AtakFileWriter Tb4b4b4{

Tff7b72actual Tff7b72fun Td2a8ffwriteToImportDirTb4b4b4(Te6edf3fileNameTb4b4b4: Tffa657StringTb4b4b4, Te6edf3zipBytesTb4b4b4: Te6edf3ByteArrayTb4b4b4)Tb4b4b4: Tffa657Boolean Tb4b4b4{

T8b949e// Sanitize: fileName originates from untrusted mesh CoT uid attributes.

Tff7b72val Te6edf3safeName Tff7b72= Te6edf3fileNameTb4b4b4.Te6edf3replaceTb4b4b4(Te6edf3RegexTb4b4b4(Ta5d6ff"Ta5d6ff[^a-zA-Z0-9._-]Ta5d6ff"Tb4b4b4)Tb4b4b4, Ta5d6ff"Ta5d6ff_Ta5d6ff"Tb4b4b4)

T8b949e// Use hardcoded paths — on Android /sdcard/ maps to external storage.

T8b949e// On JVM desktop these paths don't exist and the fallback returns false.

Tff7b72val Te6edf3targets Tff7b72= Te6edf3listOfTb4b4b4(Te6edf3FileTb4b4b4(Ta5d6ff"Ta5d6ff/sdcard/atak/tools/datapackageTa5d6ff"Tb4b4b4)Tb4b4b4, Te6edf3FileTb4b4b4(Ta5d6ff"Ta5d6ff/sdcard/DownloadTa5d6ff"Tb4b4b4)Tb4b4b4)

Tff7b72for Tb4b4b4(Te6edf3dir Tff7b72in Te6edf3targetsTb4b4b4) Tb4b4b4{

Tff7b72try Tb4b4b4{

Tff7b72if Tb4b4b4(Tff7b72!Te6edf3dirTb4b4b4.Te6edf3existsTb4b4b4(Tb4b4b4)Tb4b4b4) Te6edf3dirTb4b4b4.Te6edf3mkdirsTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3target Tff7b72= Te6edf3FileTb4b4b4(Te6edf3dirTb4b4b4, Te6edf3safeNameTb4b4b4)

Te6edf3targetTb4b4b4.Te6edf3writeBytesTb4b4b4(Te6edf3zipBytesTb4b4b4)

Te6edf3LoggerTb4b4b4.Te6edf3i Tb4b4b4{ Ta5d6ff"Ta5d6ffRoute data package written: Tffd700$Te6edf3fileNameTa5d6ff (Tffd700${Te6edf3zipBytesTb4b4b4.Te6edf3sizeTffd700}Ta5d6ff bytes) → Tffd700${Te6edf3targetTb4b4b4.Te6edf3absolutePathTffd700}Ta5d6ff" Tb4b4b4}

Tff7b72return Tff7b72true

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3ExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3d Tb4b4b4{ Ta5d6ff"Ta5d6ffCannot write to Tffd700${Te6edf3dirTb4b4b4.Te6edf3absolutePathTffd700}Ta5d6ff: Tffd700${Te6edf3eTb4b4b4.Te6edf3messageTffd700}Ta5d6ff" Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Te6edf3LoggerTb4b4b4.Te6edf3w Tb4b4b4{ Ta5d6ff"Ta5d6ffFailed to write route data package to any ATAK import directoryTa5d6ff" Tb4b4b4}

Tff7b72return Tff7b72false

Tb4b4b4}

Tb4b4b4}