Examples with ProtocolVersion org.apache.http.ProtocolVersion used on opensource projects

Example 26 with ProtocolVersion

use of org.apache.http.ProtocolVersion in project XobotOS by xamarin.

the class RequestTargetHost method process.

public void process(final HttpRequest request, final HttpContext context) throws HttpException, IOException {
    if (request == null) {
        throw new IllegalArgumentException("HTTP request may not be null");
    }
    if (context == null) {
        throw new IllegalArgumentException("HTTP context may not be null");
    }
    if (!request.containsHeader(HTTP.TARGET_HOST)) {
        HttpHost targethost = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
        if (targethost == null) {
            HttpConnection conn = (HttpConnection) context.getAttribute(ExecutionContext.HTTP_CONNECTION);
            if (conn instanceof HttpInetConnection) {
                // Populate the context with a default HTTP host based on the 
                // inet address of the target host
                InetAddress address = ((HttpInetConnection) conn).getRemoteAddress();
                int port = ((HttpInetConnection) conn).getRemotePort();
                if (address != null) {
                    targethost = new HttpHost(address.getHostName(), port);
                }
            }
            if (targethost == null) {
                ProtocolVersion ver = request.getRequestLine().getProtocolVersion();
                if (ver.lessEquals(HttpVersion.HTTP_1_0)) {
                    return;
                } else {
                    throw new ProtocolException("Target host missing");
                }
            }
        }
        request.addHeader(HTTP.TARGET_HOST, targethost.toHostString());
    }
}

Example 27 with ProtocolVersion

use of org.apache.http.ProtocolVersion in project XobotOS by xamarin.

the class ResponseConnControl method process.

public void process(final HttpResponse response, final HttpContext context) throws HttpException, IOException {
    if (response == null) {
        throw new IllegalArgumentException("HTTP response may not be null");
    }
    if (context == null) {
        throw new IllegalArgumentException("HTTP context may not be null");
    }
    // Always drop connection after certain type of responses
    int status = response.getStatusLine().getStatusCode();
    if (status == HttpStatus.SC_BAD_REQUEST || status == HttpStatus.SC_REQUEST_TIMEOUT || status == HttpStatus.SC_LENGTH_REQUIRED || status == HttpStatus.SC_REQUEST_TOO_LONG || status == HttpStatus.SC_REQUEST_URI_TOO_LONG || status == HttpStatus.SC_SERVICE_UNAVAILABLE || status == HttpStatus.SC_NOT_IMPLEMENTED) {
        response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
        return;
    }
    // Always drop connection for HTTP/1.0 responses and below
    // if the content body cannot be correctly delimited
    HttpEntity entity = response.getEntity();
    if (entity != null) {
        ProtocolVersion ver = response.getStatusLine().getProtocolVersion();
        if (entity.getContentLength() < 0 && (!entity.isChunked() || ver.lessEquals(HttpVersion.HTTP_1_0))) {
            response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
            return;
        }
    }
    // Drop connection if requested by the client
    HttpRequest request = (HttpRequest) context.getAttribute(ExecutionContext.HTTP_REQUEST);
    if (request != null) {
        Header header = request.getFirstHeader(HTTP.CONN_DIRECTIVE);
        if (header != null) {
            response.setHeader(HTTP.CONN_DIRECTIVE, header.getValue());
        }
    }
}

Example 28 with ProtocolVersion

use of org.apache.http.ProtocolVersion in project XobotOS by xamarin.

the class HttpRequestExecutor method doSendRequest.

/**
     * Send a request over a connection.
     * This method also handles the expect-continue handshake if necessary.
     * If it does not have to handle an expect-continue handshake, it will
     * not use the connection for reading or anything else that depends on
     * data coming in over the connection.
     *
     * @param request   the request to send, already
     *                  {@link #preProcess preprocessed}
     * @param conn      the connection over which to send the request,
     *                  already established
     * @param context   the context for sending the request
     *
     * @return  a terminal response received as part of an expect-continue
     *          handshake, or
     *          <code>null</code> if the expect-continue handshake is not used
     *
     * @throws HttpException      in case of a protocol or processing problem
     * @throws IOException        in case of an I/O problem
     */
protected HttpResponse doSendRequest(final HttpRequest request, final HttpClientConnection conn, final HttpContext context) throws IOException, HttpException {
    if (request == null) {
        throw new IllegalArgumentException("HTTP request may not be null");
    }
    if (conn == null) {
        throw new IllegalArgumentException("HTTP connection may not be null");
    }
    if (context == null) {
        throw new IllegalArgumentException("HTTP context may not be null");
    }
    HttpResponse response = null;
    context.setAttribute(ExecutionContext.HTTP_REQ_SENT, Boolean.FALSE);
    conn.sendRequestHeader(request);
    if (request instanceof HttpEntityEnclosingRequest) {
        // Check for expect-continue handshake. We have to flush the
        // headers and wait for an 100-continue response to handle it.
        // If we get a different response, we must not send the entity.
        boolean sendentity = true;
        final ProtocolVersion ver = request.getRequestLine().getProtocolVersion();
        if (((HttpEntityEnclosingRequest) request).expectContinue() && !ver.lessEquals(HttpVersion.HTTP_1_0)) {
            conn.flush();
            // As suggested by RFC 2616 section 8.2.3, we don't wait for a
            // 100-continue response forever. On timeout, send the entity.
            int tms = request.getParams().getIntParameter(CoreProtocolPNames.WAIT_FOR_CONTINUE, 2000);
            if (conn.isResponseAvailable(tms)) {
                response = conn.receiveResponseHeader();
                if (canResponseHaveBody(request, response)) {
                    conn.receiveResponseEntity(response);
                }
                int status = response.getStatusLine().getStatusCode();
                if (status < 200) {
                    if (status != HttpStatus.SC_CONTINUE) {
                        throw new ProtocolException("Unexpected response: " + response.getStatusLine());
                    }
                    // discard 100-continue
                    response = null;
                } else {
                    sendentity = false;
                }
            }
        }
        if (sendentity) {
            conn.sendRequestEntity((HttpEntityEnclosingRequest) request);
        }
    }
    conn.flush();
    context.setAttribute(ExecutionContext.HTTP_REQ_SENT, Boolean.TRUE);
    return response;
}

Example 29 with ProtocolVersion

use of org.apache.http.ProtocolVersion in project XobotOS by xamarin.

the class DefaultRequestDirector method createConnectRequest.

/**
     * Creates the CONNECT request for tunnelling.
     * Called by {@link #createTunnelToTarget createTunnelToTarget}.
     *
     * @param route     the route to establish
     * @param context   the context for request execution
     *
     * @return  the CONNECT request for tunnelling
     */
protected HttpRequest createConnectRequest(HttpRoute route, HttpContext context) {
    // see RFC 2817, section 5.2 and 
    // INTERNET-DRAFT: Tunneling TCP based protocols through 
    // Web proxy servers
    HttpHost target = route.getTargetHost();
    String host = target.getHostName();
    int port = target.getPort();
    if (port < 0) {
        Scheme scheme = connManager.getSchemeRegistry().getScheme(target.getSchemeName());
        port = scheme.getDefaultPort();
    }
    StringBuilder buffer = new StringBuilder(host.length() + 6);
    buffer.append(host);
    buffer.append(':');
    buffer.append(Integer.toString(port));
    String authority = buffer.toString();
    ProtocolVersion ver = HttpProtocolParams.getVersion(params);
    HttpRequest req = new BasicHttpRequest("CONNECT", authority, ver);
    return req;
}

Example 30 with ProtocolVersion

use of org.apache.http.ProtocolVersion in project XobotOS by xamarin.

the class RequestWrapper method getRequestLine.

public RequestLine getRequestLine() {
    String method = getMethod();
    ProtocolVersion ver = getProtocolVersion();
    String uritext = null;
    if (uri != null) {
        uritext = uri.toASCIIString();
    }
    if (uritext == null || uritext.length() == 0) {
        uritext = "/";
    }
    return new BasicRequestLine(method, uritext, ver);
}