Method doPull

src/main/java/com/trsst/Command.java:516–621

(Client client, CommandLine commands,
            LinkedList<String> arguments, PrintStream out)

    }

    public int doPull(Client client, CommandLine commands,
            LinkedList<String> arguments, PrintStream out) {

        if (arguments.size() < 1) {
            printPullUsage();
            return 127; // "command not found"
        }

        // decryption option
        String id = commands.getOptionValue("d");
        PrivateKey[] decryptionKeys = null;

        if (id != null) {
            // obtain password
            id = Common.toFeedIdString(id);
            char[] password = null;
            String pass = commands.getOptionValue("p");
            if (pass != null) {
                password = pass.toCharArray();
            } else {
                try {
                    Console console = System.console();
                    if (console != null) {
                        password = console.readPassword("Password: ");
                    } else {
                        log.info("No console detected for password input.");
                    }
                } catch (Throwable t) {
                    log.error("Unexpected error while reading password", t);
                }
            }
            if (password == null) {
                log.error("Password is required to decrypt.");
                return 127; // "command not found"
            }
            if (password.length < 6) {
                System.err
                        .println("Password must be at least six characters in length.");
                return 127; // "command not found"
            }

            // obtain keys
            KeyPair signingKeys = null;
            KeyPair encryptionKeys = null;
            String keyPath = commands.getOptionValue("k");

            File keyFile;
            if (keyPath != null) {
                keyFile = new File(keyPath, id + Common.KEY_EXTENSION);
            } else {
                keyFile = new File(Common.getClientRoot(), id
                        + Common.KEY_EXTENSION);
            }

            if (keyFile.exists()) {
                System.err.println("Using existing account id: " + id);

            } else {