Node / meshtastic / Meshtastic-Android / files / app / src / main / java / com / geeksville / mesh / model / ChannelSet.kt

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T8b949e/*

* Copyright (c) 2025 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 T7ee787com.geeksville.mesh.model

Tff7b72import T7ee787android.graphics.Bitmap

Tff7b72import T7ee787android.net.Uri

Tff7b72import T7ee787android.util.Base64

Tff7b72import T7ee787com.geeksville.mesh.AppOnlyProtos.ChannelSet

Tff7b72import T7ee787com.geeksville.mesh.android.BuildUtils.errormsg

Tff7b72import T7ee787com.google.zxing.BarcodeFormat

Tff7b72import T7ee787com.google.zxing.MultiFormatWriter

Tff7b72import T7ee787com.journeyapps.barcodescanner.BarcodeEncoder

Tff7b72import T7ee787java.net.MalformedURLException

Tff7b72import T7ee787kotlin.jvm.Throws

Tff7b72private Tff7b72const Tff7b72val Te6edf3MESHTASTIC_HOST Tff7b72= Ta5d6ff"Ta5d6ffmeshtastic.orgTa5d6ff"

Tff7b72private Tff7b72const Tff7b72val Te6edf3CHANNEL_PATH Tff7b72= Ta5d6ff"Ta5d6ff/e/Ta5d6ff"

Tff7b72internal Tff7b72const Tff7b72val Te6edf3URL_PREFIX Tff7b72= Ta5d6ff"Ta5d6ffhttps://Tffd700$Te6edf3MESHTASTIC_HOSTTffd700$Te6edf3CHANNEL_PATHTa5d6ff"

Tff7b72private Tff7b72const Tff7b72val Te6edf3BASE64FLAGS Tff7b72= Te6edf3Base64Tb4b4b4.Te6edf3URL_SAFE Tff7b72+ Te6edf3Base64Tb4b4b4.Te6edf3NO_WRAP Tff7b72+ Te6edf3Base64Tb4b4b4.Te6edf3NO_PADDING

T8b949e/**

* Return a [ChannelSet] that represents the ChannelSet encoded by the URL.

*

* @throws MalformedURLException when not recognized as a valid Meshtastic URL

*/

Tf0883e@ThrowsTb4b4b4(Te6edf3MalformedURLExceptionTff7b72::Te6edf3classTb4b4b4)

Tff7b72fun Te6edf3UriTb4b4b4.Td2a8fftoChannelSetTb4b4b4(Tb4b4b4)Tb4b4b4: Te6edf3ChannelSet Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3fragmentTb4b4b4.Te6edf3isNullOrBlankTb4b4b4(Tb4b4b4) Tff7b72|Tff7b72| Tff7b72!Te6edf3hostTb4b4b4.Te6edf3equalsTb4b4b4(Te6edf3MESHTASTIC_HOSTTb4b4b4, Tff7b72trueTb4b4b4) Tff7b72|Tff7b72| Tff7b72!Te6edf3pathTb4b4b4.Te6edf3equalsTb4b4b4(Te6edf3CHANNEL_PATHTb4b4b4, Tff7b72trueTb4b4b4)Tb4b4b4) Tb4b4b4{

Tff7b72throw Te6edf3MalformedURLExceptionTb4b4b4(Ta5d6ff"Ta5d6ffNot a valid Meshtastic URL: Tffd700${Te6edf3toStringTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3takeTb4b4b4(T79c0ff4T79c0ff0Tb4b4b4)Tffd700}Ta5d6ff"Tb4b4b4)

Tb4b4b4}

T8b949e// Older versions of Meshtastic clients (Apple/web) included `?add=true` within the URL fragment.

T8b949e// This gracefully handles those cases until the newer version are generally available/used.

Tff7b72val Te6edf3url Tff7b72= Te6edf3ChannelSetTb4b4b4.Te6edf3parseFromTb4b4b4(Te6edf3Base64Tb4b4b4.Te6edf3decodeTb4b4b4(Te6edf3fragmentTff7b72!!Tb4b4b4.Te6edf3substringBeforeTb4b4b4(Ta5d6ff'?'Tb4b4b4)Tb4b4b4, Te6edf3BASE64FLAGSTb4b4b4)Tb4b4b4)

Tff7b72val Te6edf3shouldAdd Tff7b72=

Te6edf3fragmentTff7b72?.Te6edf3substringAfterTb4b4b4(Ta5d6ff'?'Tb4b4b4, Ta5d6ff"Ta5d6ff"Tb4b4b4)Tff7b72?.Te6edf3takeUnless Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3isBlankTb4b4b4(Tb4b4b4) Tb4b4b4}Tff7b72?.Te6edf3equalsTb4b4b4(Ta5d6ff"Ta5d6ffadd=trueTa5d6ff"Tb4b4b4)

Tff7b72?: Te6edf3getBooleanQueryParameterTb4b4b4(Ta5d6ff"Ta5d6ffaddTa5d6ff"Tb4b4b4, Tff7b72falseTb4b4b4)

Tff7b72return Te6edf3urlTb4b4b4.Te6edf3toBuilderTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3apply Tb4b4b4{ Tff7b72if Tb4b4b4(Te6edf3shouldAddTb4b4b4) Te6edf3clearLoraConfigTb4b4b4(Tb4b4b4) Tb4b4b4}Tb4b4b4.Te6edf3buildTb4b4b4(Tb4b4b4)

Tb4b4b4}

T8b949e/** @return A list of globally unique channel IDs usable with MQTT subscribe() */

Tff7b72val Te6edf3ChannelSetTb4b4b4.Te6edf3subscribeListTb4b4b4: Te6edf3ListTff7b72<Tffa657StringTff7b72>

Tff7b72getTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3settingsListTb4b4b4.Te6edf3filter Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3downlinkEnabled Tb4b4b4}Tb4b4b4.Te6edf3map Tb4b4b4{ Te6edf3ChannelTb4b4b4(Tffa657itTb4b4b4, Te6edf3loraConfigTb4b4b4)Tb4b4b4.Te6edf3name Tb4b4b4}

Tff7b72fun Te6edf3ChannelSetTb4b4b4.Td2a8ffgetChannelTb4b4b4(Te6edf3indexTb4b4b4: Tffa657IntTb4b4b4)Tb4b4b4: Te6edf3Channel? Tff7b72=

Tff7b72if Tb4b4b4(Te6edf3settingsCount Tff7b72> Te6edf3indexTb4b4b4) Te6edf3ChannelTb4b4b4(Te6edf3getSettingsTb4b4b4(Te6edf3indexTb4b4b4)Tb4b4b4, Te6edf3loraConfigTb4b4b4) Tff7b72else Tff7b72null

T8b949e/** Return the primary channel info */

Tff7b72val Te6edf3ChannelSetTb4b4b4.Te6edf3primaryChannelTb4b4b4: Te6edf3Channel?

Tff7b72getTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3getChannelTb4b4b4(T79c0ff0Tb4b4b4)

T8b949e/**

* Return a URL that represents the [ChannelSet]

*

* @param upperCasePrefix portions of the URL can be upper case to make for more efficient QR codes

*/

Tff7b72fun Te6edf3ChannelSetTb4b4b4.Td2a8ffgetChannelUrlTb4b4b4(Te6edf3upperCasePrefixTb4b4b4: Tffa657Boolean Tff7b72= Tff7b72falseTb4b4b4, Te6edf3shouldAddTb4b4b4: Tffa657Boolean Tff7b72= Tff7b72falseTb4b4b4)Tb4b4b4: Te6edf3Uri Tb4b4b4{

Tff7b72val Te6edf3channelBytes Tff7b72= Tff7b72thisTb4b4b4.Te6edf3toByteArrayTb4b4b4(Tb4b4b4) Tff7b72?: Te6edf3ByteArrayTb4b4b4(T79c0ff0Tb4b4b4) T8b949e// if unset just use empty

Tff7b72val Te6edf3enc Tff7b72= Te6edf3Base64Tb4b4b4.Te6edf3encodeToStringTb4b4b4(Te6edf3channelBytesTb4b4b4, Te6edf3BASE64FLAGSTb4b4b4)

Tff7b72val Te6edf3p Tff7b72= Tff7b72if Tb4b4b4(Te6edf3upperCasePrefixTb4b4b4) Te6edf3URL_PREFIXTb4b4b4.Te6edf3uppercaseTb4b4b4(Tb4b4b4) Tff7b72else Te6edf3URL_PREFIX

Tff7b72val Te6edf3query Tff7b72= Tff7b72if Tb4b4b4(Te6edf3shouldAddTb4b4b4) Ta5d6ff"Ta5d6ff?add=trueTa5d6ff" Tff7b72else Ta5d6ff"Ta5d6ff"

Tff7b72return Te6edf3UriTb4b4b4.Te6edf3parseTb4b4b4(Ta5d6ff"Tffd700$Te6edf3pTffd700$Te6edf3queryTa5d6ff#Tffd700$Te6edf3encTa5d6ff"Tb4b4b4)

Tb4b4b4}

Tff7b72fun Te6edf3ChannelSetTb4b4b4.Td2a8ffqrCodeTb4b4b4(Te6edf3shouldAddTb4b4b4: Tffa657BooleanTb4b4b4)Tb4b4b4: Te6edf3Bitmap? Tff7b72= Tff7b72try Tb4b4b4{

Tff7b72val Te6edf3multiFormatWriter Tff7b72= Te6edf3MultiFormatWriterTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3bitMatrix Tff7b72=

Te6edf3multiFormatWriterTb4b4b4.Te6edf3encodeTb4b4b4(Te6edf3getChannelUrlTb4b4b4(Tff7b72falseTb4b4b4, Te6edf3shouldAddTb4b4b4)Tb4b4b4.Te6edf3toStringTb4b4b4(Tb4b4b4)Tb4b4b4, Te6edf3BarcodeFormatTb4b4b4.Te6edf3QR_CODETb4b4b4, T79c0ff9T79c0ff6T79c0ff0Tb4b4b4, T79c0ff9T79c0ff6T79c0ff0Tb4b4b4)

Tff7b72val Te6edf3barcodeEncoder Tff7b72= Te6edf3BarcodeEncoderTb4b4b4(Tb4b4b4)

Te6edf3barcodeEncoderTb4b4b4.Te6edf3createBitmapTb4b4b4(Te6edf3bitMatrixTb4b4b4)

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3exTb4b4b4: Te6edf3ThrowableTb4b4b4) Tb4b4b4{

Te6edf3errormsgTb4b4b4(Ta5d6ff"Ta5d6ffURL was too complex to render as barcodeTa5d6ff"Tb4b4b4)

Tff7b72null

Tb4b4b4}