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