Use pattern matching switch cases

[signal-cli] / src / main / java / org / asamk / signal / Main.java

diff --git a/src/main/java/org/asamk/signal/Main.java b/src/main/java/org/asamk/signal/Main.java
index b920963184ed7c038f9fd280fd489aebbb449869..00d9d7a9fbe2944becb05037d7922b81d96a2494 100644 (file)
--- a/src/main/java/org/asamk/signal/Main.java
+++ b/src/main/java/org/asamk/signal/Main.java
@@ -1,5 +1,5 @@
 /*
 /*

-  Copyright (C) 2015-2020 AsamK and contributors
+  Copyright (C) 2015-2022 AsamK and contributors

 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by


@@ -17,299 +17,105 @@
 package org.asamk.signal;
 
 import net.sourceforge.argparse4j.ArgumentParsers;
 package org.asamk.signal;
 
 import net.sourceforge.argparse4j.ArgumentParsers;

+import net.sourceforge.argparse4j.DefaultSettings;

 import net.sourceforge.argparse4j.impl.Arguments;
 import net.sourceforge.argparse4j.impl.Arguments;

-import net.sourceforge.argparse4j.inf.ArgumentParser;

 import net.sourceforge.argparse4j.inf.ArgumentParserException;
 import net.sourceforge.argparse4j.inf.ArgumentParserException;

-import net.sourceforge.argparse4j.inf.MutuallyExclusiveGroup;

 import net.sourceforge.argparse4j.inf.Namespace;
 import net.sourceforge.argparse4j.inf.Namespace;

-import net.sourceforge.argparse4j.inf.Subparser;
-import net.sourceforge.argparse4j.inf.Subparsers;

 
 

-import org.asamk.Signal;
-import org.asamk.signal.commands.Command;
-import org.asamk.signal.commands.Commands;
-import org.asamk.signal.commands.DbusCommand;
-import org.asamk.signal.commands.ExtendedDbusCommand;
-import org.asamk.signal.commands.LocalCommand;
-import org.asamk.signal.commands.ProvisioningCommand;
-import org.asamk.signal.commands.RegistrationCommand;
-import org.asamk.signal.dbus.DbusSignalImpl;
-import org.asamk.signal.manager.Manager;
-import org.asamk.signal.manager.NotRegisteredException;
-import org.asamk.signal.manager.ProvisioningManager;
-import org.asamk.signal.manager.RegistrationManager;
-import org.asamk.signal.manager.ServiceConfig;
-import org.asamk.signal.util.IOUtils;
+import org.asamk.signal.commands.exceptions.CommandException;
+import org.asamk.signal.commands.exceptions.IOErrorException;
+import org.asamk.signal.commands.exceptions.RateLimitErrorException;
+import org.asamk.signal.commands.exceptions.UnexpectedErrorException;
+import org.asamk.signal.commands.exceptions.UntrustedKeyErrorException;
+import org.asamk.signal.commands.exceptions.UserErrorException;
+import org.asamk.signal.logging.LogConfigurator;
+import org.asamk.signal.manager.ManagerLogger;

 import org.asamk.signal.util.SecurityProvider;
 import org.bouncycastle.jce.provider.BouncyCastleProvider;
 import org.asamk.signal.util.SecurityProvider;
 import org.bouncycastle.jce.provider.BouncyCastleProvider;

-import org.freedesktop.dbus.connections.impl.DBusConnection;
-import org.freedesktop.dbus.exceptions.DBusException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
-import org.whispersystems.signalservice.internal.configuration.SignalServiceConfiguration;
+import org.slf4j.bridge.SLF4JBridgeHandler;

 
 import java.io.File;
 
 import java.io.File;

-import java.io.IOException;

 import java.security.Security;
 import java.security.Security;

-import java.util.Map;

 
 public class Main {
 
 
 public class Main {
 

-    final static Logger logger = LoggerFactory.getLogger(Main.class);
-

     public static void main(String[] args) {
     public static void main(String[] args) {

+        // enable unlimited strength crypto via Policy, supported on relevant JREs
+        Security.setProperty("crypto.policy", "unlimited");

         installSecurityProviderWorkaround();
 
         installSecurityProviderWorkaround();
 

-        Namespace ns = parseArgs(args);
-        if (ns == null) {
-            System.exit(1);
-        }
+        // Configuring the logger needs to happen before any logger is initialized

 
 

-        int res = init(ns);
-        System.exit(res);
-    }
-
-    public static void installSecurityProviderWorkaround() {
-        // Register our own security provider
-        Security.insertProviderAt(new SecurityProvider(), 1);
-        Security.addProvider(new BouncyCastleProvider());
-    }
+        final var nsLog = parseArgs(args);
+        final var verboseLevel = nsLog == null ? 0 : nsLog.getInt("verbose");
+        final var logFile = nsLog == null ? null : nsLog.<File>get("log-file");
+        final var scrubLog = nsLog != null && nsLog.getBoolean("scrub-log");
+        configureLogging(verboseLevel, logFile, scrubLog);

 
 

-    public static int init(Namespace ns) {
-        Command command = getCommand(ns);
-        if (command == null) {
-            logger.error("Command not implemented!");
-            return 3;
-        }
+        var parser = App.buildArgumentParser();

 
 

-        if (ns.getBoolean("dbus") || ns.getBoolean("dbus_system")) {
-            return initDbusClient(command, ns, ns.getBoolean("dbus_system"));
-        }
+        var ns = parser.parseArgsOrFail(args);

 
 

-        final String username = ns.getString("username");
-
-        final File dataPath;
-        String config = ns.getString("config");
-        if (config != null) {
-            dataPath = new File(config);
-        } else {
-            dataPath = getDefaultDataPath();
-        }
-
-        final SignalServiceConfiguration serviceConfiguration = ServiceConfig.createDefaultServiceConfiguration(
-                BaseConfig.USER_AGENT);
-
-        if (!ServiceConfig.getCapabilities().isGv2()) {
-            logger.warn("WARNING: Support for new group V2 is disabled,"
-                    + " because the required native library dependency is missing: libzkgroup");
-        }
-
-        if (username == null) {
-            ProvisioningManager pm = new ProvisioningManager(dataPath, serviceConfiguration, BaseConfig.USER_AGENT);
-            return handleCommand(command, ns, pm);
-        }
-
-        if (command instanceof RegistrationCommand) {
-            final RegistrationManager manager;
-            try {
-                manager = RegistrationManager.init(username, dataPath, serviceConfiguration, BaseConfig.USER_AGENT);
-            } catch (Throwable e) {
-                logger.error("Error loading or creating state file: {}", e.getMessage());
-                return 2;
-            }
-            try (RegistrationManager m = manager) {
-                return handleCommand(command, ns, m);
-            } catch (Exception e) {
-                logger.error("Cleanup failed", e);
-                return 3;
-            }
-        }
-
-        Manager manager;
-        try {
-            manager = Manager.init(username, dataPath, serviceConfiguration, BaseConfig.USER_AGENT);
-        } catch (NotRegisteredException e) {
-            System.err.println("User is not registered.");
-            return 1;
-        } catch (Throwable e) {
-            logger.error("Error loading state file: {}", e.getMessage());
-            return 2;
-        }
-
-        try (Manager m = manager) {
-            try {
-                m.checkAccountState();
-            } catch (IOException e) {
-                logger.error("Error while checking account: {}", e.getMessage());
-                return 2;
-            }
-
-            return handleCommand(command, ns, m);
-        } catch (IOException e) {
-            logger.error("Cleanup failed", e);
-            return 3;
-        }
-    }
-
-    private static int initDbusClient(final Command command, final Namespace ns, final boolean systemBus) {
+        int status = 0;

         try {
         try {

-            DBusConnection.DBusBusType busType;
-            if (systemBus) {
-                busType = DBusConnection.DBusBusType.SYSTEM;
-            } else {
-                busType = DBusConnection.DBusBusType.SESSION;
-            }
-            try (DBusConnection dBusConn = DBusConnection.getConnection(busType)) {
-                Signal ts = dBusConn.getRemoteObject(DbusConfig.SIGNAL_BUSNAME,
-                        DbusConfig.SIGNAL_OBJECTPATH,
-                        Signal.class);
-
-                return handleCommand(command, ns, ts, dBusConn);
+            new App(ns).init();
+        } catch (CommandException e) {
+            System.err.println(e.getMessage());
+            if (verboseLevel > 0 && e.getCause() != null) {
+                e.getCause().printStackTrace();

             }
             }

-        } catch (DBusException | IOException e) {
-            logger.error("Dbus client failed", e);
-            return 3;
-        }
-    }
-
-    private static Command getCommand(Namespace ns) {
-        String commandKey = ns.getString("command");
-        final Map<String, Command> commands = Commands.getCommands();
-        if (!commands.containsKey(commandKey)) {
-            return null;
-        }
-        return commands.get(commandKey);
-    }
-
-    private static int handleCommand(Command command, Namespace ns, Signal ts, DBusConnection dBusConn) {
-        if (command instanceof ExtendedDbusCommand) {
-            return ((ExtendedDbusCommand) command).handleCommand(ns, ts, dBusConn);
-        } else if (command instanceof DbusCommand) {
-            return ((DbusCommand) command).handleCommand(ns, ts);
-        } else {
-            System.err.println("Command is not yet implemented via dbus");
-            return 1;
-        }
-    }
-
-    private static int handleCommand(Command command, Namespace ns, ProvisioningManager pm) {
-        if (command instanceof ProvisioningCommand) {
-            return ((ProvisioningCommand) command).handleCommand(ns, pm);
-        } else {
-            System.err.println("Command only works with a username");
-            return 1;
-        }
-    }
-
-    private static int handleCommand(Command command, Namespace ns, RegistrationManager m) {
-        if (command instanceof RegistrationCommand) {
-            return ((RegistrationCommand) command).handleCommand(ns, m);
-        }
-        return 1;
-    }
-
-    private static int handleCommand(Command command, Namespace ns, Manager m) {
-        if (command instanceof LocalCommand) {
-            return ((LocalCommand) command).handleCommand(ns, m);
-        } else if (command instanceof DbusCommand) {
-            return ((DbusCommand) command).handleCommand(ns, new DbusSignalImpl(m));
-        } else {
-            System.err.println("Command only works via dbus");
-            return 1;
+            status = getStatusForError(e);
+        } catch (Throwable e) {
+            e.printStackTrace();
+            status = 2;

         }
         }

+        System.exit(status);

     }
 
     }
 

-    /**
-     * Uses $XDG_DATA_HOME/signal-cli if it exists, or if none of the legacy directories exist:
-     * - $HOME/.config/signal
-     * - $HOME/.config/textsecure
-     *
-     * @return the data directory to be used by signal-cli.
-     */
-    private static File getDefaultDataPath() {
-        File dataPath = new File(IOUtils.getDataHomeDir(), "signal-cli");
-        if (dataPath.exists()) {
-            return dataPath;
-        }
-
-        File configPath = new File(System.getProperty("user.home"), ".config");
-
-        File legacySettingsPath = new File(configPath, "signal");
-        if (legacySettingsPath.exists()) {
-            return legacySettingsPath;
-        }
-
-        legacySettingsPath = new File(configPath, "textsecure");
-        if (legacySettingsPath.exists()) {
-            return legacySettingsPath;
-        }
-
-        return dataPath;
+    private static void installSecurityProviderWorkaround() {
+        // Register our own security provider
+        Security.insertProviderAt(new SecurityProvider(), 1);
+        Security.addProvider(new BouncyCastleProvider());

     }
 
     private static Namespace parseArgs(String[] args) {
     }
 
     private static Namespace parseArgs(String[] args) {

-        ArgumentParser parser = buildArgumentParser();
+        var parser = ArgumentParsers.newFor("signal-cli", DefaultSettings.VERSION_0_9_0_DEFAULT_SETTINGS)
+                .includeArgumentNamesAsKeysInResult(true)
+                .build()
+                .defaultHelp(false);
+        parser.addArgument("-v", "--verbose").action(Arguments.count());
+        parser.addArgument("--log-file").type(File.class);
+        parser.addArgument("--scrub-log").action(Arguments.storeTrue());

 
 

-        Namespace ns;

         try {
         try {

-            ns = parser.parseArgs(args);
+            return parser.parseKnownArgs(args, null);

         } catch (ArgumentParserException e) {
         } catch (ArgumentParserException e) {

-            parser.handleError(e);

             return null;
         }
             return null;
         }

-
-        if ("link".equals(ns.getString("command"))) {
-            if (ns.getString("username") != null) {
-                parser.printUsage();
-                System.err.println("You cannot specify a username (phone number) when linking");
-                System.exit(2);
-            }
-        } else if (!ns.getBoolean("dbus") && !ns.getBoolean("dbus_system")) {
-            if (ns.getString("username") == null) {
-                parser.printUsage();
-                System.err.println("You need to specify a username (phone number)");
-                System.exit(2);
-            }
-            if (!PhoneNumberFormatter.isValidNumber(ns.getString("username"), null)) {
-                System.err.println("Invalid username (phone number), make sure you include the country code.");
-                System.exit(2);
-            }
-        }
-        if (ns.getList("recipient") != null && !ns.getList("recipient").isEmpty() && ns.getString("group") != null) {
-            System.err.println("You cannot specify recipients by phone number and groups at the same time");
-            System.exit(2);
-        }
-        return ns;

     }
 
     }
 

-    private static ArgumentParser buildArgumentParser() {
-        ArgumentParser parser = ArgumentParsers.newFor("signal-cli")
-                .build()
-                .defaultHelp(true)
-                .description("Commandline interface for Signal.")
-                .version(BaseConfig.PROJECT_NAME + " " + BaseConfig.PROJECT_VERSION);
-
-        parser.addArgument("-v", "--version").help("Show package version.").action(Arguments.version());
-        parser.addArgument("--config")
-                .help("Set the path, where to store the config (Default: $XDG_DATA_HOME/signal-cli , $HOME/.local/share/signal-cli).");
+    private static void configureLogging(final int verboseLevel, final File logFile, final boolean scrubLog) {
+        LogConfigurator.setVerboseLevel(verboseLevel);
+        LogConfigurator.setLogFile(logFile);
+        LogConfigurator.setScrubSensitiveInformation(scrubLog);

 
 

-        MutuallyExclusiveGroup mut = parser.addMutuallyExclusiveGroup();
-        mut.addArgument("-u", "--username").help("Specify your phone number, that will be used for verification.");
-        mut.addArgument("--dbus").help("Make request via user dbus.").action(Arguments.storeTrue());
-        mut.addArgument("--dbus-system").help("Make request via system dbus.").action(Arguments.storeTrue());
-
-        Subparsers subparsers = parser.addSubparsers()
-                .title("subcommands")
-                .dest("command")
-                .description("valid subcommands")
-                .help("additional help");
-
-        final Map<String, Command> commands = Commands.getCommands();
-        for (Map.Entry<String, Command> entry : commands.entrySet()) {
-            Subparser subparser = subparsers.addParser(entry.getKey());
-            entry.getValue().attachToSubparser(subparser);
+        if (verboseLevel > 0) {
+            java.util.logging.Logger.getLogger("")
+                    .setLevel(verboseLevel > 2 ? java.util.logging.Level.FINEST : java.util.logging.Level.INFO);
+            ManagerLogger.initLogger();

         }
         }

-        return parser;
+        SLF4JBridgeHandler.removeHandlersForRootLogger();
+        SLF4JBridgeHandler.install();
+    }
+
+    private static int getStatusForError(final CommandException e) {
+        return switch (e) {
+            case UserErrorException userErrorException -> 1;
+            case UnexpectedErrorException unexpectedErrorException -> 2;
+            case IOErrorException ioErrorException -> 3;
+            case UntrustedKeyErrorException untrustedKeyErrorException -> 4;
+            case RateLimitErrorException rateLimitErrorException -> 5;
+            case null, default -> 2;
+        };

     }
 }
     }
 }