nmode's Git Repositories - signal-cli/blob - src/main/java/org/asamk/signal/Main.java

   1 /*
   2   Copyright (C) 2015-2021 AsamK and contributors
   3
   4   This program is free software: you can redistribute it and/or modify
   5   it under the terms of the GNU General Public License as published by
   6   the Free Software Foundation, either version 3 of the License, or
   7   (at your option) any later version.
   8
   9   This program is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12   GNU General Public License for more details.
  13
  14   You should have received a copy of the GNU General Public License
  15   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.asamk.signal;
  18
  19 import net.sourceforge.argparse4j.ArgumentParsers;
  20 import net.sourceforge.argparse4j.impl.Arguments;
  21 import net.sourceforge.argparse4j.inf.ArgumentParserException;
  22 import net.sourceforge.argparse4j.inf.Namespace;
  23
  24 import org.asamk.signal.commands.exceptions.CommandException;
  25 import org.asamk.signal.commands.exceptions.IOErrorException;
  26 import org.asamk.signal.commands.exceptions.UnexpectedErrorException;
  27 import org.asamk.signal.commands.exceptions.UntrustedKeyErrorException;
  28 import org.asamk.signal.commands.exceptions.UserErrorException;
  29 import org.asamk.signal.manager.Manager;
  30 import org.asamk.signal.util.SecurityProvider;
  31 import org.bouncycastle.jce.provider.BouncyCastleProvider;
  32
  33 import java.security.Security;
  34
  35 public class Main {
  36
  37     public static void main(String[] args) {
  38         // enable unlimited strength crypto via Policy, supported on relevant JREs
  39         Security.setProperty("crypto.policy", "unlimited");
  40         installSecurityProviderWorkaround();
  41
  42         // Configuring the logger needs to happen before any logger is initialized
  43         final var isVerbose = isVerbose(args);
  44         configureLogging(isVerbose);
  45
  46         var parser = App.buildArgumentParser();
  47
  48         var ns = parser.parseArgsOrFail(args);
  49
  50         int status = 0;
  51         try {
  52             new App(ns).init();
  53         } catch (CommandException e) {
  54             System.err.println(e.getMessage());
  55             if (isVerbose && e.getCause() != null) {
  56                 e.getCause().printStackTrace();
  57             }
  58             status = getStatusForError(e);
  59         } catch (Throwable e) {
  60             e.printStackTrace();
  61             status = 2;
  62         }
  63         System.exit(status);
  64     }
  65
  66     private static void installSecurityProviderWorkaround() {
  67         // Register our own security provider
  68         Security.insertProviderAt(new SecurityProvider(), 1);
  69         Security.addProvider(new BouncyCastleProvider());
  70     }
  71
  72     private static boolean isVerbose(String[] args) {
  73         var parser = ArgumentParsers.newFor("signal-cli").build().defaultHelp(false);
  74         parser.addArgument("--verbose").action(Arguments.storeTrue());
  75
  76         Namespace ns;
  77         try {
  78             ns = parser.parseKnownArgs(args, null);
  79         } catch (ArgumentParserException e) {
  80             return false;
  81         }
  82
  83         return Boolean.TRUE.equals(ns.getBoolean("verbose"));
  84     }
  85
  86     private static void configureLogging(final boolean verbose) {
  87         if (verbose) {
  88             System.setProperty("org.slf4j.simpleLogger.defaultLogLevel", "debug");
  89             System.setProperty("org.slf4j.simpleLogger.showThreadName", "true");
  90             System.setProperty("org.slf4j.simpleLogger.showShortLogName", "false");
  91             System.setProperty("org.slf4j.simpleLogger.showDateTime", "true");
  92             System.setProperty("org.slf4j.simpleLogger.dateTimeFormat", "yyyy-MM-dd'T'HH:mm:ss.SSSXX");
  93             Manager.initLogger();
  94         } else {
  95             System.setProperty("org.slf4j.simpleLogger.defaultLogLevel", "info");
  96             System.setProperty("org.slf4j.simpleLogger.showThreadName", "false");
  97             System.setProperty("org.slf4j.simpleLogger.showShortLogName", "true");
  98             System.setProperty("org.slf4j.simpleLogger.showDateTime", "false");
  99         }
 100     }
 101
 102     private static int getStatusForError(final CommandException e) {
 103         if (e instanceof UserErrorException) {
 104             return 1;
 105         } else if (e instanceof UnexpectedErrorException) {
 106             return 2;
 107         } else if (e instanceof IOErrorException) {
 108             return 3;
 109         } else if (e instanceof UntrustedKeyErrorException) {
 110             return 4;
 111         } else {
 112             return 2;
 113         }
 114     }
 115 }