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

Example 96 with Header

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

the class AbstractAuthenticationHandler method selectScheme.

public AuthScheme selectScheme(final Map<String, Header> challenges, final HttpResponse response, final HttpContext context) throws AuthenticationException {
    AuthSchemeRegistry registry = (AuthSchemeRegistry) context.getAttribute(ClientContext.AUTHSCHEME_REGISTRY);
    if (registry == null) {
        throw new IllegalStateException("AuthScheme registry not set in HTTP context");
    }
    List<?> authPrefs = (List<?>) context.getAttribute(ClientContext.AUTH_SCHEME_PREF);
    if (authPrefs == null) {
        authPrefs = getAuthPreferences();
    }
    if (this.log.isDebugEnabled()) {
        this.log.debug("Authentication schemes in the order of preference: " + authPrefs);
    }
    AuthScheme authScheme = null;
    for (int i = 0; i < authPrefs.size(); i++) {
        String id = (String) authPrefs.get(i);
        Header challenge = challenges.get(id.toLowerCase(Locale.ENGLISH));
        if (challenge != null) {
            if (this.log.isDebugEnabled()) {
                this.log.debug(id + " authentication scheme selected");
            }
            try {
                authScheme = registry.getAuthScheme(id, response.getParams());
                break;
            } catch (IllegalStateException e) {
                if (this.log.isWarnEnabled()) {
                    this.log.warn("Authentication scheme " + id + " not supported");
                // Try again
                }
            }
        } else {
            if (this.log.isDebugEnabled()) {
                this.log.debug("Challenge for " + id + " authentication scheme not available");
            // Try again
            }
        }
    }
    if (authScheme == null) {
        // If none selected, something is wrong
        throw new AuthenticationException("Unable to respond to any of these challenges: " + challenges);
    }
    return authScheme;
}

Example 97 with Header

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

the class AndroidHttpClient method getUngzippedContent.

/**
     * Gets the input stream from a response entity.  If the entity is gzipped
     * then this will get a stream over the uncompressed data.
     *
     * @param entity the entity whose content should be read
     * @return the input stream to read from
     * @throws IOException
     */
public static InputStream getUngzippedContent(HttpEntity entity) throws IOException {
    InputStream responseStream = entity.getContent();
    if (responseStream == null)
        return responseStream;
    Header header = entity.getContentEncoding();
    if (header == null)
        return responseStream;
    String contentEncoding = header.getValue();
    if (contentEncoding == null)
        return responseStream;
    if (contentEncoding.contains("gzip"))
        responseStream = new GZIPInputStream(responseStream);
    return responseStream;
}

Example 98 with Header

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

the class AndroidHttpClient method toCurl.

/**
     * Generates a cURL command equivalent to the given request.
     */
private static String toCurl(HttpUriRequest request, boolean logAuthToken) throws IOException {
    StringBuilder builder = new StringBuilder();
    builder.append("curl ");
    for (Header header : request.getAllHeaders()) {
        if (!logAuthToken && (header.getName().equals("Authorization") || header.getName().equals("Cookie"))) {
            continue;
        }
        builder.append("--header \"");
        builder.append(header.toString().trim());
        builder.append("\" ");
    }
    URI uri = request.getURI();
    // relative URI. We want an absolute URI.
    if (request instanceof RequestWrapper) {
        HttpRequest original = ((RequestWrapper) request).getOriginal();
        if (original instanceof HttpUriRequest) {
            uri = ((HttpUriRequest) original).getURI();
        }
    }
    builder.append("\"");
    builder.append(uri);
    builder.append("\"");
    if (request instanceof HttpEntityEnclosingRequest) {
        HttpEntityEnclosingRequest entityRequest = (HttpEntityEnclosingRequest) request;
        HttpEntity entity = entityRequest.getEntity();
        if (entity != null && entity.isRepeatable()) {
            if (entity.getContentLength() < 1024) {
                ByteArrayOutputStream stream = new ByteArrayOutputStream();
                entity.writeTo(stream);
                if (isBinaryContent(request)) {
                    String base64 = Base64.encodeToString(stream.toByteArray(), Base64.NO_WRAP);
                    builder.insert(0, "echo '" + base64 + "' | base64 -d > /tmp/$$.bin; ");
                    builder.append(" --data-binary @/tmp/$$.bin");
                } else {
                    String entityString = stream.toString();
                    builder.append(" --data-ascii \"").append(entityString).append("\"");
                }
            } else {
                builder.append(" [TOO MUCH DATA TO INCLUDE]");
            }
        }
    }
    return builder.toString();
}

Example 99 with Header

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

the class SSLConnectionClosedByUserException method openConnection.

/**
     * Opens the connection to a http server or proxy.
     *
     * @return the opened low level connection
     * @throws IOException if the connection fails for any reason.
     */
@Override
AndroidHttpClientConnection openConnection(Request req) throws IOException {
    SSLSocket sslSock = null;
    if (mProxyHost != null) {
        // If we have a proxy set, we first send a CONNECT request
        // to the proxy; if the proxy returns 200 OK, we negotiate
        // a secure connection to the target server via the proxy.
        // If the request fails, we drop it, but provide the event
        // handler with the response status and headers. The event
        // handler is then responsible for cancelling the load or
        // issueing a new request.
        AndroidHttpClientConnection proxyConnection = null;
        Socket proxySock = null;
        try {
            proxySock = new Socket(mProxyHost.getHostName(), mProxyHost.getPort());
            proxySock.setSoTimeout(60 * 1000);
            proxyConnection = new AndroidHttpClientConnection();
            HttpParams params = new BasicHttpParams();
            HttpConnectionParams.setSocketBufferSize(params, 8192);
            proxyConnection.bind(proxySock, params);
        } catch (IOException e) {
            if (proxyConnection != null) {
                proxyConnection.close();
            }
            String errorMessage = e.getMessage();
            if (errorMessage == null) {
                errorMessage = "failed to establish a connection to the proxy";
            }
            throw new IOException(errorMessage);
        }
        StatusLine statusLine = null;
        int statusCode = 0;
        Headers headers = new Headers();
        try {
            BasicHttpRequest proxyReq = new BasicHttpRequest("CONNECT", mHost.toHostString());
            // 400 Bad Request
            for (Header h : req.mHttpRequest.getAllHeaders()) {
                String headerName = h.getName().toLowerCase();
                if (headerName.startsWith("proxy") || headerName.equals("keep-alive") || headerName.equals("host")) {
                    proxyReq.addHeader(h);
                }
            }
            proxyConnection.sendRequestHeader(proxyReq);
            proxyConnection.flush();
            // a loop is a standard way of dealing with them
            do {
                statusLine = proxyConnection.parseResponseHeader(headers);
                statusCode = statusLine.getStatusCode();
            } while (statusCode < HttpStatus.SC_OK);
        } catch (ParseException e) {
            String errorMessage = e.getMessage();
            if (errorMessage == null) {
                errorMessage = "failed to send a CONNECT request";
            }
            throw new IOException(errorMessage);
        } catch (HttpException e) {
            String errorMessage = e.getMessage();
            if (errorMessage == null) {
                errorMessage = "failed to send a CONNECT request";
            }
            throw new IOException(errorMessage);
        } catch (IOException e) {
            String errorMessage = e.getMessage();
            if (errorMessage == null) {
                errorMessage = "failed to send a CONNECT request";
            }
            throw new IOException(errorMessage);
        }
        if (statusCode == HttpStatus.SC_OK) {
            try {
                sslSock = (SSLSocket) getSocketFactory().createSocket(proxySock, mHost.getHostName(), mHost.getPort(), true);
            } catch (IOException e) {
                if (sslSock != null) {
                    sslSock.close();
                }
                String errorMessage = e.getMessage();
                if (errorMessage == null) {
                    errorMessage = "failed to create an SSL socket";
                }
                throw new IOException(errorMessage);
            }
        } else {
            // if the code is not OK, inform the event handler
            ProtocolVersion version = statusLine.getProtocolVersion();
            req.mEventHandler.status(version.getMajor(), version.getMinor(), statusCode, statusLine.getReasonPhrase());
            req.mEventHandler.headers(headers);
            req.mEventHandler.endData();
            proxyConnection.close();
            // request needs to be dropped
            return null;
        }
    } else {
        // if we do not have a proxy, we simply connect to the host
        try {
            sslSock = (SSLSocket) getSocketFactory().createSocket(mHost.getHostName(), mHost.getPort());
            sslSock.setSoTimeout(SOCKET_TIMEOUT);
        } catch (IOException e) {
            if (sslSock != null) {
                sslSock.close();
            }
            String errorMessage = e.getMessage();
            if (errorMessage == null) {
                errorMessage = "failed to create an SSL socket";
            }
            throw new IOException(errorMessage);
        }
    }
    // do handshake and validate server certificates
    SslError error = CertificateChainValidator.getInstance().doHandshakeAndValidateServerCertificates(this, sslSock, mHost.getHostName());
    // Inform the user if there is a problem
    if (error != null) {
        // need to.
        synchronized (mSuspendLock) {
            mSuspended = true;
        }
        // don't hold the lock while calling out to the event handler
        boolean canHandle = req.getEventHandler().handleSslErrorRequest(error);
        if (!canHandle) {
            throw new IOException("failed to handle " + error);
        }
        synchronized (mSuspendLock) {
            if (mSuspended) {
                try {
                    // Put a limit on how long we are waiting; if the timeout
                    // expires (which should never happen unless you choose
                    // to ignore the SSL error dialog for a very long time),
                    // we wake up the thread and abort the request. This is
                    // to prevent us from stalling the network if things go
                    // very bad.
                    mSuspendLock.wait(10 * 60 * 1000);
                    if (mSuspended) {
                        // mSuspended is true if we have not had a chance to
                        // restart the connection yet (ie, the wait timeout
                        // has expired)
                        mSuspended = false;
                        mAborted = true;
                        if (HttpLog.LOGV) {
                            HttpLog.v("HttpsConnection.openConnection():" + " SSL timeout expired and request was cancelled!!!");
                        }
                    }
                } catch (InterruptedException e) {
                // ignore
                }
            }
            if (mAborted) {
                // The user decided not to use this unverified connection
                // so close it immediately.
                sslSock.close();
                throw new SSLConnectionClosedByUserException("connection closed by the user");
            }
        }
    }
    // All went well, we have an open, verified connection.
    AndroidHttpClientConnection conn = new AndroidHttpClientConnection();
    BasicHttpParams params = new BasicHttpParams();
    params.setIntParameter(HttpConnectionParams.SOCKET_BUFFER_SIZE, 8192);
    conn.bind(sslSock, params);
    return conn;
}

Example 100 with Header

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

the class Request method readResponse.

/**
     * Receive a single http response.
     *
     * @param httpClientConnection the request to receive the response for.
     */
void readResponse(AndroidHttpClientConnection httpClientConnection) throws IOException, ParseException {
    // don't send cancelled requests
    if (mCancelled)
        return;
    StatusLine statusLine = null;
    boolean hasBody = false;
    httpClientConnection.flush();
    int statusCode = 0;
    Headers header = new Headers();
    do {
        statusLine = httpClientConnection.parseResponseHeader(header);
        statusCode = statusLine.getStatusCode();
    } while (statusCode < HttpStatus.SC_OK);
    if (HttpLog.LOGV)
        HttpLog.v("Request.readResponseStatus() " + statusLine.toString().length() + " " + statusLine);
    ProtocolVersion v = statusLine.getProtocolVersion();
    mEventHandler.status(v.getMajor(), v.getMinor(), statusCode, statusLine.getReasonPhrase());
    mEventHandler.headers(header);
    HttpEntity entity = null;
    hasBody = canResponseHaveBody(mHttpRequest, statusCode);
    if (hasBody)
        entity = httpClientConnection.receiveResponseEntity(header);
    // restrict the range request to the servers claiming that they are
    // accepting ranges in bytes
    boolean supportPartialContent = "bytes".equalsIgnoreCase(header.getAcceptRanges());
    if (entity != null) {
        InputStream is = entity.getContent();
        // process gzip content encoding
        Header contentEncoding = entity.getContentEncoding();
        InputStream nis = null;
        byte[] buf = null;
        int count = 0;
        try {
            if (contentEncoding != null && contentEncoding.getValue().equals("gzip")) {
                nis = new GZIPInputStream(is);
            } else {
                nis = is;
            }
            /* accumulate enough data to make it worth pushing it
                 * up the stack */
            buf = mConnection.getBuf();
            int len = 0;
            int lowWater = buf.length / 2;
            while (len != -1) {
                synchronized (this) {
                    while (mLoadingPaused) {
                        // filled its internal buffers.
                        try {
                            wait();
                        } catch (InterruptedException e) {
                            HttpLog.e("Interrupted exception whilst " + "network thread paused at WebCore's request." + " " + e.getMessage());
                        }
                    }
                }
                len = nis.read(buf, count, buf.length - count);
                if (len != -1) {
                    count += len;
                    if (supportPartialContent)
                        mReceivedBytes += len;
                }
                if (len == -1 || count >= lowWater) {
                    if (HttpLog.LOGV)
                        HttpLog.v("Request.readResponse() " + count);
                    mEventHandler.data(buf, count);
                    count = 0;
                }
            }
        } catch (EOFException e) {
            /* InflaterInputStream throws an EOFException when the
                   server truncates gzipped content.  Handle this case
                   as we do truncated non-gzipped content: no error */
            if (count > 0) {
                // if there is uncommited content, we should commit them
                mEventHandler.data(buf, count);
            }
            if (HttpLog.LOGV)
                HttpLog.v("readResponse() handling " + e);
        } catch (IOException e) {
            // don't throw if we have a non-OK status code
            if (statusCode == HttpStatus.SC_OK || statusCode == HttpStatus.SC_PARTIAL_CONTENT) {
                if (supportPartialContent && count > 0) {
                    // if there is uncommited content, we should commit them
                    // as we will continue the request
                    mEventHandler.data(buf, count);
                }
                throw e;
            }
        } finally {
            if (nis != null) {
                nis.close();
            }
        }
    }
    mConnection.setCanPersist(entity, statusLine.getProtocolVersion(), header.getConnectionType());
    mEventHandler.endData();
    complete();
    if (HttpLog.LOGV)
        HttpLog.v("Request.readResponse(): done " + mHost.getSchemeName() + "://" + getHostPort() + mPath);
}