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

   1 /*
   2   Copyright (C) 2015-2020 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.ArgumentParser;
  22 import net.sourceforge.argparse4j.inf.ArgumentParserException;
  23 import net.sourceforge.argparse4j.inf.MutuallyExclusiveGroup;
  24 import net.sourceforge.argparse4j.inf.Namespace;
  25 import net.sourceforge.argparse4j.inf.Subparser;
  26 import net.sourceforge.argparse4j.inf.Subparsers;
  27
  28 import org.asamk.Signal;
  29 import org.asamk.signal.commands.Command;
  30 import org.asamk.signal.commands.Commands;
  31 import org.asamk.signal.commands.DbusCommand;
  32 import org.asamk.signal.commands.ExtendedDbusCommand;
  33 import org.asamk.signal.commands.LocalCommand;
  34 import org.asamk.signal.commands.ProvisioningCommand;
  35 import org.asamk.signal.manager.Manager;
  36 import org.asamk.signal.manager.ProvisioningManager;
  37 import org.asamk.signal.manager.ServiceConfig;
  38 import org.asamk.signal.util.IOUtils;
  39 import org.asamk.signal.util.SecurityProvider;
  40 import org.bouncycastle.jce.provider.BouncyCastleProvider;
  41 import org.freedesktop.dbus.connections.impl.DBusConnection;
  42 import org.freedesktop.dbus.exceptions.DBusException;
  43 import org.whispersystems.signalservice.api.push.exceptions.AuthorizationFailedException;
  44 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  45
  46 import java.io.File;
  47 import java.io.IOException;
  48 import java.security.Security;
  49 import java.util.Map;
  50
  51 import static org.whispersystems.signalservice.internal.util.Util.isEmpty;
  52
  53 public class Main {
  54
  55     public static void main(String[] args) {
  56         installSecurityProviderWorkaround();
  57
  58         Namespace ns = parseArgs(args);
  59         if (ns == null) {
  60             System.exit(1);
  61         }
  62
  63         int res = handleCommands(ns);
  64         System.exit(res);
  65     }
  66
  67     public static void installSecurityProviderWorkaround() {
  68         // Register our own security provider
  69         Security.insertProviderAt(new SecurityProvider(), 1);
  70         Security.addProvider(new BouncyCastleProvider());
  71     }
  72
  73     private static int handleCommands(Namespace ns) {
  74         final String username = ns.getString("username");
  75
  76         if (ns.getBoolean("dbus") || ns.getBoolean("dbus_system")) {
  77             try {
  78                 DBusConnection.DBusBusType busType;
  79                 if (ns.getBoolean("dbus_system")) {
  80                     busType = DBusConnection.DBusBusType.SYSTEM;
  81                 } else {
  82                     busType = DBusConnection.DBusBusType.SESSION;
  83                 }
  84                 try (DBusConnection dBusConn = DBusConnection.getConnection(busType)) {
  85                     Signal ts = dBusConn.getRemoteObject(
  86                             DbusConfig.SIGNAL_BUSNAME, DbusConfig.SIGNAL_OBJECTPATH,
  87                             Signal.class);
  88
  89                     return handleCommands(ns, ts, dBusConn);
  90                 }
  91             } catch (UnsatisfiedLinkError e) {
  92                 System.err.println("Missing native library dependency for dbus service: " + e.getMessage());
  93                 return 1;
  94             } catch (DBusException | IOException e) {
  95                 e.printStackTrace();
  96                 return 3;
  97             }
  98         } else {
  99             String dataPath = ns.getString("config");
 100             if (isEmpty(dataPath)) {
 101                 dataPath = getDefaultDataPath();
 102             }
 103
 104             if (username == null) {
 105                 ProvisioningManager pm = new ProvisioningManager(dataPath, ServiceConfig.createDefaultServiceConfiguration(BaseConfig.USER_AGENT), BaseConfig.USER_AGENT);
 106                 return handleCommands(ns, pm);
 107             }
 108
 109             Manager manager;
 110             try {
 111                 manager = Manager.init(username, dataPath, ServiceConfig.createDefaultServiceConfiguration(BaseConfig.USER_AGENT), BaseConfig.USER_AGENT);
 112             } catch (Throwable e) {
 113                 System.err.println("Error loading state file: " + e.getMessage());
 114                 return 2;
 115             }
 116
 117             try (Manager m = manager) {
 118                 try {
 119                     m.checkAccountState();
 120                 } catch (AuthorizationFailedException e) {
 121                     if (!"register".equals(ns.getString("command"))) {
 122                         // Register command should still be possible, if current authorization fails
 123                         System.err.println("Authorization failed, was the number registered elsewhere?");
 124                         return 2;
 125                     }
 126                 } catch (IOException e) {
 127                     System.err.println("Error while checking account: " + e.getMessage());
 128                     return 2;
 129                 }
 130
 131                 return handleCommands(ns, m);
 132             } catch (IOException e) {
 133                 e.printStackTrace();
 134                 return 3;
 135             }
 136         }
 137     }
 138
 139     private static int handleCommands(Namespace ns, Signal ts, DBusConnection dBusConn) {
 140         String commandKey = ns.getString("command");
 141         final Map<String, Command> commands = Commands.getCommands();
 142         if (commands.containsKey(commandKey)) {
 143             Command command = commands.get(commandKey);
 144
 145             if (command instanceof ExtendedDbusCommand) {
 146                 return ((ExtendedDbusCommand) command).handleCommand(ns, ts, dBusConn);
 147             } else if (command instanceof DbusCommand) {
 148                 return ((DbusCommand) command).handleCommand(ns, ts);
 149             } else {
 150                 System.err.println(commandKey + " is not yet implemented via dbus");
 151                 return 1;
 152             }
 153         }
 154         return 0;
 155     }
 156
 157     private static int handleCommands(Namespace ns, ProvisioningManager pm) {
 158         String commandKey = ns.getString("command");
 159         final Map<String, Command> commands = Commands.getCommands();
 160         if (commands.containsKey(commandKey)) {
 161             Command command = commands.get(commandKey);
 162
 163             if (command instanceof ProvisioningCommand) {
 164                 return ((ProvisioningCommand) command).handleCommand(ns, pm);
 165             } else {
 166                 System.err.println(commandKey + " only works with a username");
 167                 return 1;
 168             }
 169         }
 170         return 0;
 171     }
 172
 173     private static int handleCommands(Namespace ns, Manager m) {
 174         String commandKey = ns.getString("command");
 175         final Map<String, Command> commands = Commands.getCommands();
 176         if (commands.containsKey(commandKey)) {
 177             Command command = commands.get(commandKey);
 178
 179             if (command instanceof LocalCommand) {
 180                 return ((LocalCommand) command).handleCommand(ns, m);
 181             } else if (command instanceof DbusCommand) {
 182                 return ((DbusCommand) command).handleCommand(ns, m);
 183             } else if (command instanceof ExtendedDbusCommand) {
 184                 System.err.println(commandKey + " only works via dbus");
 185             }
 186             return 1;
 187         }
 188         return 0;
 189     }
 190
 191     /**
 192      * Uses $XDG_DATA_HOME/signal-cli if it exists, or if none of the legacy directories exist:
 193      * - $HOME/.config/signal
 194      * - $HOME/.config/textsecure
 195      *
 196      * @return the data directory to be used by signal-cli.
 197      */
 198     private static String getDefaultDataPath() {
 199         String dataPath = IOUtils.getDataHomeDir() + "/signal-cli";
 200         if (new File(dataPath).exists()) {
 201             return dataPath;
 202         }
 203
 204         String legacySettingsPath = System.getProperty("user.home") + "/.config/signal";
 205         if (new File(legacySettingsPath).exists()) {
 206             return legacySettingsPath;
 207         }
 208
 209         legacySettingsPath = System.getProperty("user.home") + "/.config/textsecure";
 210         if (new File(legacySettingsPath).exists()) {
 211             return legacySettingsPath;
 212         }
 213
 214         return dataPath;
 215     }
 216
 217     private static Namespace parseArgs(String[] args) {
 218         ArgumentParser parser = ArgumentParsers.newFor("signal-cli")
 219                 .build()
 220                 .defaultHelp(true)
 221                 .description("Commandline interface for Signal.")
 222                 .version(BaseConfig.PROJECT_NAME + " " + BaseConfig.PROJECT_VERSION);
 223
 224         parser.addArgument("-v", "--version")
 225                 .help("Show package version.")
 226                 .action(Arguments.version());
 227         parser.addArgument("--config")
 228                 .help("Set the path, where to store the config (Default: $XDG_DATA_HOME/signal-cli , $HOME/.local/share/signal-cli).");
 229
 230         MutuallyExclusiveGroup mut = parser.addMutuallyExclusiveGroup();
 231         mut.addArgument("-u", "--username")
 232                 .help("Specify your phone number, that will be used for verification.");
 233         mut.addArgument("--dbus")
 234                 .help("Make request via user dbus.")
 235                 .action(Arguments.storeTrue());
 236         mut.addArgument("--dbus-system")
 237                 .help("Make request via system dbus.")
 238                 .action(Arguments.storeTrue());
 239
 240         Subparsers subparsers = parser.addSubparsers()
 241                 .title("subcommands")
 242                 .dest("command")
 243                 .description("valid subcommands")
 244                 .help("additional help");
 245
 246         final Map<String, Command> commands = Commands.getCommands();
 247         for (Map.Entry<String, Command> entry : commands.entrySet()) {
 248             Subparser subparser = subparsers.addParser(entry.getKey());
 249             entry.getValue().attachToSubparser(subparser);
 250         }
 251
 252         Namespace ns;
 253         try {
 254             ns = parser.parseArgs(args);
 255         } catch (ArgumentParserException e) {
 256             parser.handleError(e);
 257             return null;
 258         }
 259
 260         if ("link".equals(ns.getString("command"))) {
 261             if (ns.getString("username") != null) {
 262                 parser.printUsage();
 263                 System.err.println("You cannot specify a username (phone number) when linking");
 264                 System.exit(2);
 265             }
 266         } else if (!ns.getBoolean("dbus") && !ns.getBoolean("dbus_system")) {
 267             if (ns.getString("username") == null) {
 268                 parser.printUsage();
 269                 System.err.println("You need to specify a username (phone number)");
 270                 System.exit(2);
 271             }
 272             if (!PhoneNumberFormatter.isValidNumber(ns.getString("username"), null)) {
 273                 System.err.println("Invalid username (phone number), make sure you include the country code.");
 274                 System.exit(2);
 275             }
 276         }
 277         if (ns.getList("recipient") != null && !ns.getList("recipient").isEmpty() && ns.getString("group") != null) {
 278             System.err.println("You cannot specify recipients by phone number and groups at the same time");
 279             System.exit(2);
 280         }
 281         return ns;
 282     }
 283 }