dc95984199
This allows reading waypoints from apps on till devices running API 28 if they store their files in a accessible path (not Android/data). It even works for devices running API 30 if they installed it as an update.
352 lines
11 KiB
Java
352 lines
11 KiB
Java
package btools.routingapp;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.FileReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.io.ByteArrayOutputStream;
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import java.nio.charset.Charset;
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import java.nio.charset.StandardCharsets;
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import java.util.List;
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import java.util.zip.GZIPOutputStream;
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import java.util.ArrayList;
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import android.Manifest;
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import android.app.Service;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.Environment;
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import android.os.IBinder;
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import android.os.RemoteException;
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import android.util.Log;
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import android.util.Base64;
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import androidx.core.content.ContextCompat;
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import btools.router.OsmNodeNamed;
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public class BRouterService extends Service
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{
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@Override
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public IBinder onBind(Intent arg0) {
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Log.d(getClass().getSimpleName(), "onBind()");
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return myBRouterServiceStub;
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}
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private IBRouterService.Stub myBRouterServiceStub = new IBRouterService.Stub()
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{
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@Override
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public String getTrackFromParams( Bundle params ) throws RemoteException
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{
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logBundle( params );
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BRouterWorker worker = new BRouterWorker();
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// get base dir from private file
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String baseDir = null;
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InputStream configInput = null;
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try
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{
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configInput = openFileInput( "config15.dat" );
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BufferedReader br = new BufferedReader( new InputStreamReader( configInput ) );
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baseDir = br.readLine();
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}
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catch (Exception e)
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{
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}
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finally
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{
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if ( configInput != null ) try { configInput.close(); } catch (Exception ee) {}
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}
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worker.baseDir = baseDir;
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worker.segmentDir = new File (baseDir, "brouter/segments4" );
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String remoteProfile = params.getString( "remoteProfile" );
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if ( remoteProfile == null )
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{
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remoteProfile = checkForTestDummy( baseDir );
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}
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String errMsg = null;
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if (remoteProfile != null ) {
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errMsg = getConfigForRemoteProfile(worker, baseDir, remoteProfile);
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} else if (params.containsKey("profile")) {
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String profile = params.getString( "profile" );
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worker.profileName = profile;
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worker.profilePath = baseDir + "/brouter/profiles2/" + profile + ".brf";
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worker.rawTrackPath = baseDir + "/brouter/modes/" + profile + "_rawtrack.dat";
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if (!new File(worker.profilePath).exists()) errMsg = "Profile " + profile + " does not exists";
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try {
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readNogos(worker, baseDir);
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} catch (Exception e) {
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errMsg = e.getLocalizedMessage();
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}
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}
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else {
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errMsg = getConfigFromMode(worker, baseDir, params.getString("v"), params.getString("fast"));
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}
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if ( errMsg != null )
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{
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return errMsg;
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}
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boolean canCompress = "true".equals( params.getString( "acceptCompressedResult" ) );
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try
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{
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String gpxMessage = worker.getTrackFromParams( params );
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if ( canCompress && gpxMessage.startsWith( "<" ) )
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{
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try
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{
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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baos.write( "z64".getBytes(Charset.forName("UTF-8")) ); // marker prefix
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OutputStream os = new GZIPOutputStream( baos );
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byte[] ab = gpxMessage.getBytes(Charset.forName("UTF-8")); //StandardCharsets.UTF_8
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gpxMessage = null;
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os.write( ab );
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ab = null;
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os.close();
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gpxMessage = Base64.encodeToString(baos.toByteArray(), Base64.DEFAULT);
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return gpxMessage;
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}
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catch( Exception e )
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{
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return "error compressing result";
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}
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}
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return gpxMessage;
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}
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catch (IllegalArgumentException iae)
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{
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return iae.getMessage();
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}
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}
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private String getConfigFromMode( BRouterWorker worker, String baseDir, String mode, String fast )
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{
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boolean isFast = "1".equals( fast ) || "true".equals( fast ) || "yes".equals( fast );
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String mode_key = mode + "_" + ( isFast ? "fast" : "short" );
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BufferedReader br = null;
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try
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{
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String modesFile = baseDir + "/brouter/modes/serviceconfig.dat";
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br = new BufferedReader( new FileReader( modesFile ) );
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for ( ;; )
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{
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String line = br.readLine();
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if ( line == null )
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break;
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ServiceModeConfig smc = new ServiceModeConfig( line );
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if ( !smc.mode.equals( mode_key ) )
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continue;
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worker.profileName = smc.profile;
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worker.profilePath = baseDir + "/brouter/profiles2/" + smc.profile + ".brf";
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worker.rawTrackPath = baseDir + "/brouter/modes/" + mode_key + "_rawtrack.dat";
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readNogos(worker, baseDir);
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return null;
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}
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}
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catch (Exception e)
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{
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return "no brouter service config found, mode " + mode_key;
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}
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finally
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{
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if ( br != null ) try { br.close(); } catch( Exception ee ) {}
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}
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return "no brouter service config found for mode " + mode_key;
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}
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private String getConfigForRemoteProfile( BRouterWorker worker, String baseDir, String remoteProfile )
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{
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worker.profileName = "remote";
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worker.profilePath = baseDir + "/brouter/profiles2/remote.brf";
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worker.rawTrackPath = baseDir + "/brouter/modes/remote_rawtrack.dat";
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// store profile only if not identical (to preserve timestamp)
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byte[] profileBytes = remoteProfile.getBytes();
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File profileFile = new File( worker.profilePath );
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try
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{
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readNogos(worker, baseDir);
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if ( !fileEqual( profileBytes, profileFile ) )
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{
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OutputStream os = null;
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try
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{
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os = new FileOutputStream( profileFile );
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os.write( profileBytes );
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}
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finally
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{
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if ( os != null ) try { os.close(); } catch( IOException io ) {}
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}
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}
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}
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catch( Exception e )
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{
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return "error caching remote profile: " + e;
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}
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return null;
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}
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private void readNogos(BRouterWorker worker, String baseDir) throws Exception {
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// add nogos from waypoint database
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int deviceLevel = android.os.Build.VERSION.SDK_INT;
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int targetSdkVersion = getApplicationInfo().targetSdkVersion;
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boolean canAccessSdCard = true;
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q && !Environment.isExternalStorageLegacy()) {
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canAccessSdCard = false;
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}
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if (ContextCompat.checkSelfPermission(BRouterService.this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
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canAccessSdCard = false;
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}
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AppLogger.log( "dev/target=" + deviceLevel + "/" + targetSdkVersion + " canAccessSdCard=" + canAccessSdCard );
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if ( canAccessSdCard )
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{
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CoordinateReader cor = CoordinateReader.obtainValidReader( baseDir, worker.segmentDir, true );
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worker.nogoList = new ArrayList<OsmNodeNamed>( cor.nogopoints );
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worker.nogoPolygonsList = new ArrayList<OsmNodeNamed>();
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}
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else {
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CoordinateReader cor = new CoordinateReaderInternal( baseDir );
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cor.readFromTo();
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worker.nogoList = new ArrayList<OsmNodeNamed>( cor.nogopoints );
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worker.nogoPolygonsList = new ArrayList<OsmNodeNamed>();
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}
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}
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private boolean fileEqual( byte[] fileBytes, File file ) throws Exception
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{
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if ( !file.exists() )
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{
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return false;
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}
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int nbytes = fileBytes.length;
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int pos = 0;
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int blen = 8192;
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byte[] buf = new byte[blen];
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InputStream is = null;
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try
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{
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is = new FileInputStream( file );
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while( pos < nbytes )
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{
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int len = is.read( buf, 0, blen );
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if ( len <= 0 ) return false;
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if ( pos + len > nbytes ) return false;
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for( int j=0; j<len; j++ )
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{
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if ( fileBytes[pos++] != buf[j] )
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{
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return false;
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}
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}
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}
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return true;
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}
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finally
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{
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if ( is != null ) try { is.close(); } catch( IOException io ) {}
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}
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}
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private String checkForTestDummy( String baseDir )
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{
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File testdummy = new File( baseDir + "/brouter/profiles2/remotetestdummy.brf" );
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if ( !testdummy.exists() ) return null;
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BufferedReader br = null;
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StringBuilder sb = new StringBuilder();
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try
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{
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br = new BufferedReader( new FileReader( testdummy ) );
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for ( ;; )
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{
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String line = br.readLine();
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if ( line == null )
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break;
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sb.append( line ).append( '\n' );
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}
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return sb.toString();
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}
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catch (Exception e)
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{
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throw new RuntimeException( "error reading " + testdummy );
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}
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finally
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{
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if ( br != null ) try { br.close(); } catch( Exception ee ) {}
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}
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}
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private void logBundle( Bundle params )
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{
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if ( AppLogger.isLogging() )
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{
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for( String k : params.keySet() )
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{
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Object val = "remoteProfile".equals( k ) ? "<..cut..>" : params.get(k);
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String desc = "key=" + k + (val == null ? "" : " class=" + val.getClass() + " val=" + val.toString() );
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AppLogger.log( desc );
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}
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}
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}
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};
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@Override
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public void onCreate()
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{
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super.onCreate();
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Log.d(getClass().getSimpleName(),"onCreate()");
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}
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@Override
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public void onDestroy()
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{
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super.onDestroy();
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Log.d(getClass().getSimpleName(),"onDestroy()");
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}
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// This is the old onStart method that will be called on the pre-2.0
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// platform. On 2.0 or later we override onStartCommand() so this
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// method will not be called.
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@Override
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@SuppressWarnings("deprecation")
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public void onStart(Intent intent, int startId)
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{
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Log.d(getClass().getSimpleName(), "onStart()");
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handleStart(intent, startId);
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}
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@Override
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public int onStartCommand(Intent intent, int flags, int startId)
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{
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handleStart(intent, startId);
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return START_STICKY;
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}
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void handleStart(Intent intent, int startId)
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{
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}
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}
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