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

Example 61 with DataFormatException

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

the class ConfigKeyringHandler method processForm.

@Override
protected void processForm() {
    if (_action == null)
        return;
    boolean adding = _action.equals(_t("Add key"));
    if (adding || _action.equals(_t("Delete key"))) {
        if (_peer == null)
            addFormError(_t("You must enter a destination"));
        if (_key == null && adding)
            addFormError(_t("You must enter a key"));
        if (_peer == null || (_key == null && adding))
            return;
        Hash h = ConvertToHash.getHash(_peer);
        if (adding) {
            SessionKey sk = new SessionKey();
            try {
                sk.fromBase64(_key);
            } catch (DataFormatException dfe) {
            }
            if (h == null || h.getData() == null) {
                addFormError(_t("Invalid destination"));
            } else if (_context.clientManager().isLocal(h)) {
                // don't bother translating
                addFormError("Cannot add key for local destination. Enable encryption in the Hidden Services Manager.");
            } else if (sk.getData() == null) {
                addFormError(_t("Invalid key"));
            } else {
                _context.keyRing().put(h, sk);
                addFormNotice(_t("Key for {0} added to keyring", h.toBase32()));
            }
        } else {
            // Delete
            if (h != null && h.getData() != null) {
                if (_context.clientManager().isLocal(h)) {
                    // don't bother translating
                    addFormError("Cannot remove key for local destination. Disable encryption in the Hidden Services Manager.");
                } else if (_context.keyRing().remove(h) != null) {
                    addFormNotice(_t("Key for {0} removed from keyring", h.toBase32()));
                } else {
                    addFormNotice(_t("Key for {0} not found in keyring", h.toBase32()));
                }
            } else {
                addFormError(_t("Invalid destination"));
            }
        }
    } else {
    // addFormError(_t("Unsupported"));
    }
}

Example 62 with DataFormatException

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

the class StreamSinkClient method runClient.

/**
 * Actually connect and run the client - this call blocks until completion.
 */
public void runClient() {
    I2PSocketManager mgr = null;
    if (_i2cpHost != null)
        mgr = I2PSocketManagerFactory.createManager(_i2cpHost, _i2cpPort, new Properties());
    else
        mgr = I2PSocketManagerFactory.createManager();
    Destination peer = null;
    FileInputStream fis = null;
    try {
        fis = new FileInputStream(_peerDestFile);
        peer = new Destination();
        peer.readBytes(fis);
    } catch (IOException ioe) {
        _log.error("Error finding the peer destination to contact in " + _peerDestFile, ioe);
        return;
    } catch (DataFormatException dfe) {
        _log.error("Peer destination is not valid in " + _peerDestFile, dfe);
        return;
    } finally {
        if (fis != null)
            try {
                fis.close();
            } catch (IOException ioe) {
            }
    }
    if (_log.shouldLog(Log.DEBUG))
        _log.debug("Send " + _sendSize + "KB to " + peer.calculateHash().toBase64());
    while (true) {
        try {
            I2PSocket sock = mgr.connect(peer);
            byte[] buf = new byte[Math.min(32 * 1024, _sendSize * 1024)];
            Random rand = new Random();
            OutputStream out = sock.getOutputStream();
            long beforeSending = System.currentTimeMillis();
            for (int i = 0; (_sendSize < 0) || (i < _sendSize); i += buf.length / 1024) {
                rand.nextBytes(buf);
                out.write(buf);
                if (_log.shouldLog(Log.DEBUG))
                    _log.debug("Wrote " + ((1 + i * buf.length) / 1024) + "/" + _sendSize + "KB");
                if (_writeDelay > 0) {
                    try {
                        Thread.sleep(_writeDelay);
                    } catch (InterruptedException ie) {
                    }
                }
            }
            sock.close();
            long afterSending = System.currentTimeMillis();
            if (_log.shouldLog(Log.DEBUG))
                _log.debug("Sent " + _sendSize + "KB in " + (afterSending - beforeSending) + "ms");
        } catch (InterruptedIOException iie) {
            _log.error("Timeout connecting to the peer", iie);
        // return;
        } catch (NoRouteToHostException nrthe) {
            _log.error("Unable to connect to the peer", nrthe);
        // return;
        } catch (ConnectException ce) {
            _log.error("Connection already dropped", ce);
        // return;
        } catch (I2PException ie) {
            _log.error("Error connecting to the peer", ie);
            return;
        } catch (IOException ioe) {
            _log.error("IO error sending", ioe);
            return;
        }
    }
}

Example 63 with DataFormatException

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

the class TrustedUpdate method verify.

/**
 * Verifies the DSA signature of a signed update file.
 *
 * @param signedFile       The signed update file to check.
 * @param signingPublicKey An instance of
 *                         {@link net.i2p.data.SigningPublicKey} to use for
 *                         verification.
 *
 * @return <code>true</code> if the file has a valid signature, otherwise
 *         <code>false</code>.
 */
public boolean verify(File signedFile, SigningPublicKey signingPublicKey) {
    FileInputStream fileInputStream = null;
    try {
        fileInputStream = new FileInputStream(signedFile);
        Signature signature = new Signature();
        signature.readBytes(fileInputStream);
        return _context.dsa().verifySignature(signature, fileInputStream, signingPublicKey);
    } catch (IOException ioe) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("Error reading " + signedFile + " to verify", ioe);
        return false;
    } catch (DataFormatException dfe) {
        if (_log.shouldLog(Log.ERROR))
            _log.error("Error reading the signature", dfe);
        return false;
    } finally {
        if (fileInputStream != null)
            try {
                fileInputStream.close();
            } catch (IOException ioe) {
            }
    }
}

Example 64 with DataFormatException

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

the class TrustedUpdate method genKeysCLI.

/**
 * @return success
 */
private static final boolean genKeysCLI(String publicKeyFile, String privateKeyFile) {
    File pubFile = new File(publicKeyFile);
    File privFile = new File(privateKeyFile);
    if (pubFile.exists()) {
        System.out.println("Error: Not overwriting file " + publicKeyFile);
        return false;
    }
    if (privFile.exists()) {
        System.out.println("Error: Not overwriting file " + privateKeyFile);
        return false;
    }
    FileOutputStream fileOutputStream = null;
    I2PAppContext context = I2PAppContext.getGlobalContext();
    try {
        Object[] signingKeypair = context.keyGenerator().generateSigningKeypair();
        SigningPublicKey signingPublicKey = (SigningPublicKey) signingKeypair[0];
        SigningPrivateKey signingPrivateKey = (SigningPrivateKey) signingKeypair[1];
        fileOutputStream = new SecureFileOutputStream(pubFile);
        signingPublicKey.writeBytes(fileOutputStream);
        fileOutputStream.close();
        fileOutputStream = null;
        fileOutputStream = new SecureFileOutputStream(privFile);
        signingPrivateKey.writeBytes(fileOutputStream);
        System.out.println("\r\nPrivate key written to: " + privateKeyFile);
        System.out.println("Public key written to: " + publicKeyFile);
        System.out.println("\r\nPublic key: " + signingPublicKey.toBase64() + "\r\n");
    } catch (IOException e) {
        System.err.println("Error writing keys:");
        e.printStackTrace();
        return false;
    } catch (DataFormatException e) {
        System.err.println("Error writing keys:");
        e.printStackTrace();
        return false;
    } finally {
        if (fileOutputStream != null)
            try {
                fileOutputStream.close();
            } catch (IOException ioe) {
            }
    }
    return true;
}

Example 65 with DataFormatException

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

the class CreateLeaseSetMessage method doReadMessage.

@Override
protected void doReadMessage(InputStream in, int size) throws I2CPMessageException, IOException {
    try {
        _sessionId = new SessionId();
        _sessionId.readBytes(in);
        // Revocation is unimplemented.
        // As the SPK comes before the LeaseSet, we don't know the key type.
        // We could have some sort of callback or state setting so we get the
        // expected type from the session. But for now, we just assume it's 20 bytes.
        // Clients outside router context should throw in a dummy 20 bytes.
        _signingPrivateKey = new SigningPrivateKey();
        _signingPrivateKey.readBytes(in);
        _privateKey = new PrivateKey();
        _privateKey.readBytes(in);
        _leaseSet = new LeaseSet();
        _leaseSet.readBytes(in);
    } catch (DataFormatException dfe) {
        throw new I2CPMessageException("Error reading the CreateLeaseSetMessage", dfe);
    }
}