Examples with Authenticator org.javacord.api.util.auth.Authenticator used on opensource projects

Example 1 with Authenticator

use of org.javacord.api.util.auth.Authenticator in project Javacord by BtoBastian.

the class ProxyAuthenticator method systemDefaultAuthentication.

/**
 * Generates a {@code Basic} auth header with credentials from the system default authenticator.
 *
 * @param route    The route to which a request is done that needs to be authenticated.
 * @param request  The originating request that led to the authentication attempt.
 * @param response The response that demands authentication.
 * @return The {@code Basic} auth header.
 */
private Map<String, List<String>> systemDefaultAuthentication(Route route, Request request, Response response) {
    InetSocketAddress proxyAddress = (InetSocketAddress) route.getProxy().address();
    String host = proxyAddress.getHostString();
    InetAddress addr = proxyAddress.getAddress();
    int port = proxyAddress.getPort();
    URL url = route.getUrl();
    String protocol = url.getProtocol();
    return response.getChallenges("basic").filter(challenge -> challenge.getRealm().isPresent()).filter(challenge -> {
        String charset = challenge.getAuthParams().get("charset");
        return charset == null || charset.equalsIgnoreCase("UTF-8");
    }).map(challenge -> {
        String realm = challenge.getRealm().orElseThrow(AssertionError::new);
        PasswordAuthentication passwordAuthentication = java.net.Authenticator.requestPasswordAuthentication(host, addr, port, protocol, realm, challenge.getScheme(), url, java.net.Authenticator.RequestorType.PROXY);
        if (passwordAuthentication != null) {
            Charset charset = challenge.getAuthParams().containsKey("charset") ? StandardCharsets.UTF_8 : StandardCharsets.ISO_8859_1;
            return Credentials.basic(passwordAuthentication.getUserName(), String.valueOf(passwordAuthentication.getPassword()), charset);
        }
        return null;
    }).filter(Objects::nonNull).filter(credentials -> request.getHeaders("Proxy-Authorization").stream().noneMatch(credentials::equals)).findAny().map(credentials -> Collections.singletonMap("Proxy-Authorization", Arrays.asList(null, credentials))).orElse(null);
}

Example 2 with Authenticator

use of org.javacord.api.util.auth.Authenticator in project Javacord by BtoBastian.

the class DiscordWebSocketAdapter method connect.

/**
 * Connects the websocket.
 */
private void connect() {
    try {
        WebSocketFactory factory = new WebSocketFactory();
        String webSocketUri = getGateway(api) + "?encoding=json&v=" + Javacord.DISCORD_GATEWAY_VERSION;
        Proxy proxy = api.getProxy().orElseGet(() -> {
            List<Proxy> proxies = api.getProxySelector().orElseGet(ProxySelector::getDefault).select(URI.create(webSocketUri.replace("wss://", "https://").replace("ws://", "http://")));
            return proxies.stream().filter(p -> p.type() == Proxy.Type.DIRECT).findAny().orElseGet(() -> proxies.stream().filter(p -> p.type() == Proxy.Type.HTTP).findAny().orElseGet(() -> proxies.get(0)));
        });
        switch(proxy.type()) {
            case DIRECT:
                // nothing to do
                break;
            case HTTP:
                SocketAddress proxyAddress = proxy.address();
                if (!(proxyAddress instanceof InetSocketAddress)) {
                    throw new WebSocketException(null, "HTTP proxies without an InetSocketAddress are not supported currently");
                }
                InetSocketAddress proxyInetAddress = ((InetSocketAddress) proxyAddress);
                String proxyHost = proxyInetAddress.getHostString();
                int proxyPort = proxyInetAddress.getPort();
                ProxySettings proxySettings = factory.getProxySettings();
                proxySettings.setHost(proxyHost).setPort(proxyPort);
                Optional<Authenticator> proxyAuthenticator = api.getProxyAuthenticator();
                URL webSocketUrl = URI.create(webSocketUri.replace("wss://", "https://").replace("ws://", "http://")).toURL();
                if (proxyAuthenticator.isPresent()) {
                    Map<String, List<String>> requestHeaders = proxyAuthenticator.get().authenticate(new NvWebSocketRouteImpl(webSocketUrl, proxy, proxyInetAddress), new Request() {
                    }, new NvWebSocketResponseImpl());
                    if (requestHeaders != null) {
                        requestHeaders.forEach((headerName, headerValues) -> {
                            if (headerValues == null) {
                                proxySettings.getHeaders().remove(headerName);
                                return;
                            }
                            if (headerValues.isEmpty()) {
                                return;
                            }
                            String firstHeaderValue = headerValues.get(0);
                            if (firstHeaderValue == null) {
                                proxySettings.getHeaders().remove(headerName);
                            } else {
                                proxySettings.addHeader(headerName, firstHeaderValue);
                            }
                            headerValues.stream().skip(1).forEach(headerValue -> proxySettings.addHeader(headerName, headerValue));
                        });
                    }
                } else {
                    PasswordAuthentication credentials = java.net.Authenticator.requestPasswordAuthentication(proxyHost, proxyInetAddress.getAddress(), proxyPort, webSocketUrl.getProtocol(), null, "Basic", webSocketUrl, java.net.Authenticator.RequestorType.PROXY);
                    if (credentials != null) {
                        proxySettings.setId(credentials.getUserName()).setPassword(String.valueOf(credentials.getPassword()));
                    }
                }
                break;
            default:
                throw new WebSocketException(null, "Proxies of type '" + proxy.type() + "' are not supported currently");
        }
        if (api.isTrustAllCertificates()) {
            factory.setSSLSocketFactory(new TrustAllTrustManager().createSslSocketFactory());
        }
        WebSocket websocket = factory.createSocket(webSocketUri);
        this.websocket.set(websocket);
        websocket.addHeader("Accept-Encoding", "gzip");
        websocket.addListener(this);
        websocket.addListener(new WebSocketLogger());
        if (sessionId == null) {
            api.getGatewayIdentifyRatelimiter().requestQuota();
        }
        websocket.connect();
    } catch (Throwable t) {
        logger.warn("An error occurred while connecting to websocket", t);
        if (reconnect) {
            reconnectingOrResumingLock.lock();
            try {
                reconnectAttempt.incrementAndGet();
            } finally {
                reconnectingOrResumingLock.unlock();
            }
            logger.info("Trying to reconnect/resume in {} seconds!", api.getReconnectDelay(reconnectAttempt.get()));
            // Reconnect after a (short?) delay depending on the amount of reconnect attempts
            api.getThreadPool().getScheduler().schedule(() -> {
                gatewayWriteLock.lock();
                try {
                    gateway = null;
                } finally {
                    gatewayWriteLock.unlock();
                }
                this.connect();
            }, api.getReconnectDelay(reconnectAttempt.get()), TimeUnit.SECONDS);
        }
    }
}