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

   1 /*
   2   Copyright (C) 2015-2018 AsamK
   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.*;
  22 import org.asamk.Signal;
  23 import org.asamk.signal.commands.*;
  24 import org.asamk.signal.manager.BaseConfig;
  25 import org.asamk.signal.manager.Manager;
  26 import org.asamk.signal.util.IOUtils;
  27 import org.asamk.signal.util.SecurityProvider;
  28 import org.bouncycastle.jce.provider.BouncyCastleProvider;
  29 import org.freedesktop.dbus.DBusConnection;
  30 import org.freedesktop.dbus.exceptions.DBusException;
  31 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  32
  33 import java.io.File;
  34 import java.security.Security;
  35 import java.util.Map;
  36
  37 import static org.whispersystems.signalservice.internal.util.Util.isEmpty;
  38
  39 public class Main {
  40
  41     public static void main(String[] args) {
  42         // Register our own security provider
  43         Security.insertProviderAt(new SecurityProvider(), 1);
  44         Security.addProvider(new BouncyCastleProvider());
  45
  46         Namespace ns = parseArgs(args);
  47         if (ns == null) {
  48             System.exit(1);
  49         }
  50
  51         int res = handleCommands(ns);
  52         System.exit(res);
  53     }
  54
  55     private static int handleCommands(Namespace ns) {
  56         final String username = ns.getString("username");
  57         Manager m;
  58         Signal ts;
  59         DBusConnection dBusConn = null;
  60         try {
  61             if (ns.getBoolean("dbus") || ns.getBoolean("dbus_system")) {
  62                 try {
  63                     m = null;
  64                     int busType;
  65                     if (ns.getBoolean("dbus_system")) {
  66                         busType = DBusConnection.SYSTEM;
  67                     } else {
  68                         busType = DBusConnection.SESSION;
  69                     }
  70                     dBusConn = DBusConnection.getConnection(busType);
  71                     ts = dBusConn.getRemoteObject(
  72                             DbusConfig.SIGNAL_BUSNAME, DbusConfig.SIGNAL_OBJECTPATH,
  73                             Signal.class);
  74                 } catch (UnsatisfiedLinkError e) {
  75                     System.err.println("Missing native library dependency for dbus service: " + e.getMessage());
  76                     return 1;
  77                 } catch (DBusException e) {
  78                     e.printStackTrace();
  79                     if (dBusConn != null) {
  80                         dBusConn.disconnect();
  81                     }
  82                     return 3;
  83                 }
  84             } else {
  85                 String dataPath = ns.getString("config");
  86                 if (isEmpty(dataPath)) {
  87                     dataPath = getDefaultDataPath();
  88                 }
  89
  90                 m = new Manager(username, dataPath);
  91                 ts = m;
  92                 try {
  93                     m.init();
  94                 } catch (Exception e) {
  95                     System.err.println("Error loading state file: " + e.getMessage());
  96                     return 2;
  97                 }
  98             }
  99
 100             String commandKey = ns.getString("command");
 101             final Map<String, Command> commands = Commands.getCommands();
 102             if (commands.containsKey(commandKey)) {
 103                 Command command = commands.get(commandKey);
 104
 105                 if (dBusConn != null) {
 106                     if (command instanceof ExtendedDbusCommand) {
 107                         return ((ExtendedDbusCommand) command).handleCommand(ns, ts, dBusConn);
 108                     } else if (command instanceof DbusCommand) {
 109                         return ((DbusCommand) command).handleCommand(ns, ts);
 110                     } else {
 111                         System.err.println(commandKey + " is not yet implemented via dbus");
 112                         return 1;
 113                     }
 114                 } else {
 115                     if (command instanceof LocalCommand) {
 116                         return ((LocalCommand) command).handleCommand(ns, m);
 117                     } else if (command instanceof DbusCommand) {
 118                         return ((DbusCommand) command).handleCommand(ns, ts);
 119                     } else {
 120                         System.err.println(commandKey + " is only works via dbus");
 121                         return 1;
 122                     }
 123                 }
 124             }
 125             return 0;
 126         } finally {
 127             if (dBusConn != null) {
 128                 dBusConn.disconnect();
 129             }
 130         }
 131     }
 132
 133     /**
 134      * Uses $XDG_DATA_HOME/signal-cli if it exists, or if none of the legacy directories exist:
 135      * - $HOME/.config/signal
 136      * - $HOME/.config/textsecure
 137      *
 138      * @return the data directory to be used by signal-cli.
 139      */
 140     private static String getDefaultDataPath() {
 141         String dataPath = IOUtils.getDataHomeDir() + "/signal-cli";
 142         if (new File(dataPath).exists()) {
 143             return dataPath;
 144         }
 145
 146         String legacySettingsPath = System.getProperty("user.home") + "/.config/signal";
 147         if (new File(legacySettingsPath).exists()) {
 148             return legacySettingsPath;
 149         }
 150
 151         legacySettingsPath = System.getProperty("user.home") + "/.config/textsecure";
 152         if (new File(legacySettingsPath).exists()) {
 153             return legacySettingsPath;
 154         }
 155
 156         return dataPath;
 157     }
 158
 159     private static Namespace parseArgs(String[] args) {
 160         ArgumentParser parser = ArgumentParsers.newFor("signal-cli")
 161                 .build()
 162                 .defaultHelp(true)
 163                 .description("Commandline interface for Signal.")
 164                 .version(BaseConfig.PROJECT_NAME + " " + BaseConfig.PROJECT_VERSION);
 165
 166         parser.addArgument("-v", "--version")
 167                 .help("Show package version.")
 168                 .action(Arguments.version());
 169         parser.addArgument("--config")
 170                 .help("Set the path, where to store the config (Default: $XDG_DATA_HOME/signal-cli , $HOME/.local/share/signal-cli).");
 171
 172         MutuallyExclusiveGroup mut = parser.addMutuallyExclusiveGroup();
 173         mut.addArgument("-u", "--username")
 174                 .help("Specify your phone number, that will be used for verification.");
 175         mut.addArgument("--dbus")
 176                 .help("Make request via user dbus.")
 177                 .action(Arguments.storeTrue());
 178         mut.addArgument("--dbus-system")
 179                 .help("Make request via system dbus.")
 180                 .action(Arguments.storeTrue());
 181
 182         Subparsers subparsers = parser.addSubparsers()
 183                 .title("subcommands")
 184                 .dest("command")
 185                 .description("valid subcommands")
 186                 .help("additional help");
 187
 188         final Map<String, Command> commands = Commands.getCommands();
 189         for (Map.Entry<String, Command> entry : commands.entrySet()) {
 190             Subparser subparser = subparsers.addParser(entry.getKey());
 191             entry.getValue().attachToSubparser(subparser);
 192         }
 193
 194         Namespace ns;
 195         try {
 196             ns = parser.parseArgs(args);
 197         } catch (ArgumentParserException e) {
 198             parser.handleError(e);
 199             return null;
 200         }
 201
 202         if ("link".equals(ns.getString("command"))) {
 203             if (ns.getString("username") != null) {
 204                 parser.printUsage();
 205                 System.err.println("You cannot specify a username (phone number) when linking");
 206                 System.exit(2);
 207             }
 208         } else if (!ns.getBoolean("dbus") && !ns.getBoolean("dbus_system")) {
 209             if (ns.getString("username") == null) {
 210                 parser.printUsage();
 211                 System.err.println("You need to specify a username (phone number)");
 212                 System.exit(2);
 213             }
 214             if (!PhoneNumberFormatter.isValidNumber(ns.getString("username"), null)) {
 215                 System.err.println("Invalid username (phone number), make sure you include the country code.");
 216                 System.exit(2);
 217             }
 218         }
 219         if (ns.getList("recipient") != null && !ns.getList("recipient").isEmpty() && ns.getString("group") != null) {
 220             System.err.println("You cannot specify recipients by phone number and groups at the same time");
 221             System.exit(2);
 222         }
 223         return ns;
 224     }
 225 }