Examples with DataFormatException net.i2p.data.DataFormatException used on opensource projects

Example 76 with DataFormatException

use of net.i2p.data.DataFormatException in project i2p.i2p by i2p.

the class DeliveryInstructions method writeBytes.

/**
 * @deprecated unused
 */
@Deprecated
public void writeBytes(OutputStream out) throws DataFormatException, IOException {
    if ((_deliveryMode < 0) || (_deliveryMode > FLAG_MODE_TUNNEL))
        throw new DataFormatException("Invalid data: mode = " + _deliveryMode);
    long flags = getFlags();
    // if (_log.shouldLog(Log.DEBUG))
    // _log.debug("Write flags: " + flags + " mode: " + getDeliveryMode()
    // + " =?= " + flagMode(flags));
    byte[] additionalInfo = getAdditionalInfo();
    out.write((byte) flags);
    if (additionalInfo != null) {
        out.write(additionalInfo);
        out.flush();
    }
}

Example 77 with DataFormatException

use of net.i2p.data.DataFormatException in project i2p.i2p by i2p.

the class GarlicClove method readBytes.

/**
 */
public int readBytes(byte[] source, int offset) throws DataFormatException {
    int cur = offset;
    _instructions = DeliveryInstructions.create(source, offset);
    cur += _instructions.getSize();
    // _log.debug("Read instructions: " + _instructions);
    try {
        I2NPMessageHandler handler = new I2NPMessageHandler(_context);
        cur += handler.readMessage(source, cur);
        _msg = handler.lastRead();
    } catch (I2NPMessageException ime) {
        throw new DataFormatException("Unable to read the message from a garlic clove", ime);
    }
    _cloveId = DataHelper.fromLong(source, cur, 4);
    cur += 4;
    _expiration = DataHelper.fromDate(source, cur);
    cur += DataHelper.DATE_LENGTH;
    // if (_log.shouldLog(Log.DEBUG))
    // _log.debug("CloveID read: " + _cloveId + " expiration read: " + _expiration);
    // _certificate = new Certificate();
    // cur += _certificate.readBytes(source, cur);
    _certificate = Certificate.create(source, cur);
    cur += _certificate.size();
    // _log.debug("Read cert: " + _certificate);
    return cur - offset;
}

Example 78 with DataFormatException

use of net.i2p.data.DataFormatException in project i2p.i2p by i2p.

the class I2PTunnel method destFromName.

/**
 *  @param i2cpHost may be null
 *  @param i2cpPort may be null
 *  @param user may be null
 *  @param pw may be null
 *  @since 0.9.11
 */
private static Destination destFromName(String name, String i2cpHost, String i2cpPort, boolean isSSL, String user, String pw) throws DataFormatException {
    if ((name == null) || (name.trim().length() <= 0))
        throw new DataFormatException("Empty destination provided");
    I2PAppContext ctx = I2PAppContext.getGlobalContext();
    Log log = ctx.logManager().getLog(I2PTunnel.class);
    if (name.startsWith("file:")) {
        Destination result = new Destination();
        byte[] content = null;
        FileInputStream in = null;
        try {
            in = new FileInputStream(name.substring("file:".length()));
            byte[] buf = new byte[1024];
            int read = DataHelper.read(in, buf);
            content = new byte[read];
            System.arraycopy(buf, 0, content, 0, read);
        } catch (IOException ioe) {
            System.out.println(ioe.getMessage());
            return null;
        } finally {
            if (in != null)
                try {
                    in.close();
                } catch (IOException io) {
                }
        }
        try {
            result.fromByteArray(content);
            return result;
        } catch (RuntimeException ex) {
            if (log.shouldLog(Log.INFO))
                log.info("File is not a binary destination - trying base64");
            try {
                byte[] decoded = Base64.decode(new String(content));
                result.fromByteArray(decoded);
                return result;
            } catch (DataFormatException dfe) {
                if (log.shouldLog(Log.WARN))
                    log.warn("File is not a base64 destination either - failing!");
                return null;
            }
        }
    } else {
        // ask naming service
        name = name.trim();
        NamingService inst = ctx.namingService();
        boolean b32 = name.length() == 60 && name.toLowerCase(Locale.US).endsWith(".b32.i2p");
        Destination d = null;
        if (ctx.isRouterContext() || !b32) {
            // Local lookup.
            // Even though we could do b32 outside router ctx here,
            // we do it below instead so we can set the host and port,
            // which we can't do with lookup()
            d = inst.lookup(name);
            if (d != null || ctx.isRouterContext() || name.length() >= 516)
                return d;
        }
        // Outside router context only,
        // try simple session to ask the router.
        I2PClient client = new I2PSimpleClient();
        Properties opts = new Properties();
        if (i2cpHost != null)
            opts.put(I2PClient.PROP_TCP_HOST, i2cpHost);
        if (i2cpPort != null)
            opts.put(I2PClient.PROP_TCP_PORT, i2cpPort);
        opts.put("i2cp.SSL", Boolean.toString(isSSL));
        if (user != null)
            opts.put("i2cp.username", user);
        if (pw != null)
            opts.put("i2cp.password", pw);
        I2PSession session = null;
        try {
            session = client.createSession(null, opts);
            session.connect();
            d = session.lookupDest(name);
        } catch (I2PSessionException ise) {
            if (log.shouldLog(Log.WARN))
                log.warn("Lookup via router failed", ise);
        } finally {
            if (session != null) {
                try {
                    session.destroySession();
                } catch (I2PSessionException ise) {
                }
            }
        }
        return d;
    }
}

Example 79 with DataFormatException

use of net.i2p.data.DataFormatException in project i2p.i2p by i2p.

the class I2PTunnel method runLookup.

/**
 * Perform a lookup of the name specified
 * Deprecated - only used by CLI
 *
 * Sets the event "lookupResult" = base64 of the destination, or an error message
 *
 * @param args {name}
 * @param l logger to receive events and output
 */
private void runLookup(String[] args, Logging l) {
    if (args.length != 1) {
        l.log("lookup <name>\n" + "   try to resolve the name into a destination key");
        notifyEvent("lookupResult", "invalidUsage");
    } else {
        try {
            boolean ssl = Boolean.parseBoolean(_clientOptions.getProperty("i2cp.SSL"));
            String user = _clientOptions.getProperty("i2cp.username");
            String pw = _clientOptions.getProperty("i2cp.password");
            Destination dest = destFromName(args[0], host, port, ssl, user, pw);
            if (dest == null) {
                l.log("Unknown host: " + args[0]);
                notifyEvent("lookupResult", "unkown host");
            } else {
                l.log(dest.toBase64());
                notifyEvent("lookupResult", dest.toBase64());
            }
        } catch (DataFormatException dfe) {
            l.log("Unknown or invalid host: " + args[0]);
            notifyEvent("lookupResult", "invalid host");
        }
    }
}

Example 80 with DataFormatException

use of net.i2p.data.DataFormatException in project i2p.i2p by i2p.

the class PersistDHT method loadDHT.

public static synchronized void loadDHT(KRPC krpc, File file) {
    Log log = I2PAppContext.getGlobalContext().logManager().getLog(PersistDHT.class);
    int count = 0;
    BufferedReader br = null;
    try {
        br = new BufferedReader(new InputStreamReader(new FileInputStream(file), "ISO-8859-1"));
        String line = null;
        while ((line = br.readLine()) != null) {
            if (line.startsWith("#"))
                continue;
            try {
                krpc.heardAbout(new NodeInfo(line));
                count++;
            // TODO limit number? this will flush the router's SDS caches
            } catch (IllegalArgumentException iae) {
                if (log.shouldLog(Log.WARN))
                    log.warn("Error reading DHT entry", iae);
            } catch (DataFormatException dfe) {
                if (log.shouldLog(Log.WARN))
                    log.warn("Error reading DHT entry", dfe);
            }
        }
    } catch (IOException ioe) {
        if (log.shouldLog(Log.WARN) && file.exists())
            log.warn("Error reading the DHT File", ioe);
    } finally {
        if (br != null)
            try {
                br.close();
            } catch (IOException ioe) {
            }
    }
    if (log.shouldLog(Log.INFO))
        log.info("Loaded " + count + " nodes from " + file);
}