Examples with BrowseFileTransferException org.eclipse.ecf.filetransfer.BrowseFileTransferException used on opensource projects

Example 1 with BrowseFileTransferException

use of org.eclipse.ecf.filetransfer.BrowseFileTransferException in project ecf by eclipse.

the class HttpClientRetrieveFileTransfer method openStreams.

/* (non-Javadoc)
	 * @see org.eclipse.ecf.provider.filetransfer.retrieve.AbstractRetrieveFileTransfer#openStreams()
	 */
protected void openStreams() throws IncomingFileTransferException {
    // $NON-NLS-1$
    Trace.entering(Activator.PLUGIN_ID, DebugOptions.METHODS_ENTERING, this.getClass(), "openStreams");
    final String urlString = getRemoteFileURL().toString();
    this.doneFired = false;
    int code = -1;
    try {
        httpClient.getParams().setIntParameter(CoreConnectionPNames.SO_TIMEOUT, getSocketReadTimeout());
        int connectTimeout = getConnectTimeout();
        httpClient.getParams().setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, connectTimeout);
        setupAuthentication(urlString);
        getMethod = new HttpGet(urlString);
        // Define a CredentialsProvider - found that possibility while debugging in org.apache.commons.httpclient.HttpMethodDirector.processProxyAuthChallenge(HttpMethod)
        // Seems to be another way to select the credentials.
        setRequestHeaderValues();
        // $NON-NLS-1$
        Trace.trace(Activator.PLUGIN_ID, "retrieve=" + urlString);
        // 2) The target remote file does *not* end in .gz (see bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=280205)
        if (getFileRangeSpecification() == null && !targetHasGzSuffix(super.getRemoteFileName())) {
            // $NON-NLS-1$
            Trace.trace(Activator.PLUGIN_ID, "Accept-Encoding: gzip,deflate added to request header");
            // Add the interceptors to provide the gzip
            httpClient.addRequestInterceptor(new RequestAcceptEncoding());
            httpClient.addResponseInterceptor(new ResponseContentEncoding());
        } else {
            // $NON-NLS-1$
            Trace.trace(Activator.PLUGIN_ID, "Accept-Encoding NOT added to header");
        }
        fireConnectStartEvent();
        if (checkAndHandleDone()) {
            return;
        }
        connectingSockets.clear();
        // redirect response code handled internally
        if (connectJob == null) {
            performConnect(new NullProgressMonitor());
        } else {
            connectJob.schedule();
            connectJob.join();
            connectJob = null;
        }
        if (checkAndHandleDone()) {
            return;
        }
        code = responseCode;
        responseHeaders = getResponseHeaders();
        // $NON-NLS-1$
        Trace.trace(Activator.PLUGIN_ID, "retrieve resp=" + code);
        // Check for NTLM proxy in response headers
        // This check is to deal with bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=252002
        boolean ntlmProxyFound = NTLMProxyDetector.detectNTLMProxy(httpContext);
        if (ntlmProxyFound && !hasForceNTLMProxyOption())
            // $NON-NLS-1$
            throw new IncomingFileTransferException("HttpClient Provider is not configured to support NTLM proxy authentication.", HttpClientOptions.NTLM_PROXY_RESPONSE_CODE);
        if (NTLMProxyDetector.detectSPNEGOProxy(httpContext))
            // $NON-NLS-1$
            throw new BrowseFileTransferException("HttpClient Provider does not support the use of SPNEGO proxy authentication.");
        if (code == HttpURLConnection.HTTP_PARTIAL || code == HttpURLConnection.HTTP_OK) {
            getResponseHeaderValues();
            setInputStream(httpResponse.getEntity().getContent());
            fireReceiveStartEvent();
        } else if (code == HttpURLConnection.HTTP_NOT_FOUND) {
            EntityUtils.consume(httpResponse.getEntity());
            // $NON-NLS-1$
            throw new IncomingFileTransferException(NLS.bind("File not found: {0}", urlString), code);
        } else if (code == HttpURLConnection.HTTP_UNAUTHORIZED) {
            EntityUtils.consume(httpResponse.getEntity());
            throw new IncomingFileTransferException(Messages.HttpClientRetrieveFileTransfer_Unauthorized, code);
        } else if (code == HttpURLConnection.HTTP_FORBIDDEN) {
            EntityUtils.consume(httpResponse.getEntity());
            // $NON-NLS-1$
            throw new IncomingFileTransferException("Forbidden", code);
        } else if (code == HttpURLConnection.HTTP_PROXY_AUTH) {
            EntityUtils.consume(httpResponse.getEntity());
            throw new IncomingFileTransferException(Messages.HttpClientRetrieveFileTransfer_Proxy_Auth_Required, code);
        } else {
            Trace.trace(Activator.PLUGIN_ID, EntityUtils.toString(httpResponse.getEntity()));
            // EntityUtils.consume(httpResponse.getEntity());
            throw new IncomingFileTransferException(NLS.bind(Messages.HttpClientRetrieveFileTransfer_ERROR_GENERAL_RESPONSE_CODE, new Integer(code)), code);
        }
    } catch (final Exception e) {
        // $NON-NLS-1$
        Trace.throwing(Activator.PLUGIN_ID, DebugOptions.EXCEPTIONS_THROWING, this.getClass(), "openStreams", e);
        if (code == -1) {
            if (!isDone()) {
                setDoneException(e);
            }
            fireTransferReceiveDoneEvent();
        } else {
            IncomingFileTransferException ex = (IncomingFileTransferException) ((e instanceof IncomingFileTransferException) ? e : new IncomingFileTransferException(NLS.bind(Messages.HttpClientRetrieveFileTransfer_EXCEPTION_COULD_NOT_CONNECT, urlString), e, code));
            throw ex;
        }
    }
    // $NON-NLS-1$
    Trace.exiting(Activator.PLUGIN_ID, DebugOptions.METHODS_EXITING, this.getClass(), "openStreams");
}

Example 2 with BrowseFileTransferException

use of org.eclipse.ecf.filetransfer.BrowseFileTransferException in project ecf by eclipse.

the class HttpClientFileSystemBrowser method runRequest.

/* (non-Javadoc)
	 * @see org.eclipse.ecf.provider.filetransfer.browse.AbstractFileSystemBrowser#runRequest()
	 */
protected void runRequest() throws Exception {
    // $NON-NLS-1$
    Trace.entering(Activator.PLUGIN_ID, DebugOptions.METHODS_ENTERING, this.getClass(), "runRequest");
    setupProxies();
    // set timeout
    httpClient.getParams().setIntParameter(CoreConnectionPNames.SO_TIMEOUT, DEFAULT_CONNECTION_TIMEOUT);
    httpClient.getParams().setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, DEFAULT_CONNECTION_TIMEOUT);
    String urlString = directoryOrFile.toString();
    // setup authentication
    setupAuthentication(urlString);
    headMethod = new HttpHead(urlString);
    // $NON-NLS-1$
    int maxAge = Integer.getInteger("org.eclipse.ecf.http.cache.max-age", 0).intValue();
    // fix the fix for bug 249990 with bug 410813
    if (maxAge == 0) {
        // $NON-NLS-1$//$NON-NLS-2$
        headMethod.addHeader("Cache-Control", "max-age=0");
    } else if (maxAge > 0) {
        // $NON-NLS-1$//$NON-NLS-2$
        headMethod.addHeader("Cache-Control", "max-age=" + maxAge);
    }
    long lastModified = 0;
    long fileLength = -1;
    connectingSockets.clear();
    int code = -1;
    try {
        // $NON-NLS-1$
        Trace.trace(Activator.PLUGIN_ID, "browse=" + urlString);
        httpContext = new BasicHttpContext();
        httpResponse = httpClient.execute(headMethod, httpContext);
        code = httpResponse.getStatusLine().getStatusCode();
        // $NON-NLS-1$
        Trace.trace(Activator.PLUGIN_ID, "browse resp=" + code);
        // Check for NTLM proxy in response headers
        // This check is to deal with bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=252002
        boolean ntlmProxyFound = NTLMProxyDetector.detectNTLMProxy(httpContext);
        if (ntlmProxyFound && !hasForceNTLMProxyOption())
            // $NON-NLS-1$
            throw new BrowseFileTransferException("HttpClient Provider is not configured to support NTLM proxy authentication.", HttpClientOptions.NTLM_PROXY_RESPONSE_CODE);
        if (NTLMProxyDetector.detectSPNEGOProxy(httpContext))
            // $NON-NLS-1$
            throw new BrowseFileTransferException("HttpClient Provider does not support the use of SPNEGO proxy authentication.");
        if (code == HttpURLConnection.HTTP_OK) {
            Header contentLength = httpResponse.getLastHeader(CONTENT_LENGTH_HEADER);
            if (contentLength != null) {
                fileLength = Integer.parseInt(contentLength.getValue());
            }
            lastModified = getLastModifiedTimeFromHeader();
        } else if (code == HttpURLConnection.HTTP_NOT_FOUND) {
            // $NON-NLS-1$
            throw new BrowseFileTransferException(NLS.bind("File not found: {0}", urlString), code);
        } else if (code == HttpURLConnection.HTTP_UNAUTHORIZED) {
            throw new BrowseFileTransferException(Messages.HttpClientRetrieveFileTransfer_Unauthorized, code);
        } else if (code == HttpURLConnection.HTTP_FORBIDDEN) {
            // $NON-NLS-1$
            throw new BrowseFileTransferException("Forbidden", code);
        } else if (code == HttpURLConnection.HTTP_PROXY_AUTH) {
            throw new BrowseFileTransferException(Messages.HttpClientRetrieveFileTransfer_Proxy_Auth_Required, code);
        } else {
            throw new BrowseFileTransferException(NLS.bind(Messages.HttpClientRetrieveFileTransfer_ERROR_GENERAL_RESPONSE_CODE, new Integer(code)), code);
        }
        remoteFiles = new IRemoteFile[1];
        remoteFiles[0] = new URLRemoteFile(lastModified, fileLength, fileID);
    } catch (Exception e) {
        // $NON-NLS-1$
        Trace.throwing(Activator.PLUGIN_ID, DebugOptions.EXCEPTIONS_THROWING, this.getClass(), "runRequest", e);
        BrowseFileTransferException ex = (BrowseFileTransferException) ((e instanceof BrowseFileTransferException) ? e : new BrowseFileTransferException(NLS.bind(Messages.HttpClientRetrieveFileTransfer_EXCEPTION_COULD_NOT_CONNECT, urlString), e, code));
        throw ex;
    }
}

Example 3 with BrowseFileTransferException

use of org.eclipse.ecf.filetransfer.BrowseFileTransferException in project ecf by eclipse.

the class URLFileSystemBrowser method runRequest.

/* (non-Javadoc)
	 * @see org.eclipse.ecf.provider.filetransfer.browse.AbstractFileSystemBrowser#runRequest()
	 */
protected void runRequest() throws Exception {
    int code = -1;
    try {
        setupProxies();
        setupAuthentication();
        setupTimeouts();
        URLConnection urlConnection = directoryOrFile.openConnection();
        // this is for addressing bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=235933
        if (directoryOrFile.getProtocol().equalsIgnoreCase("jar")) {
            // $NON-NLS-1$
            urlConnection.setUseCaches(false);
        }
        // Add http 1.1 'Connection: close' header in order to potentially avoid
        // server issue described here https://bugs.eclipse.org/bugs/show_bug.cgi?id=234916#c13
        // See bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=247197
        // also see http 1.1 rfc section 14-10 in http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
        // $NON-NLS-1$ //$NON-NLS-2$
        urlConnection.setRequestProperty("Connection", "close");
        IURLConnectionModifier connectionModifier = Activator.getDefault().getURLConnectionModifier();
        if (connectionModifier != null) {
            connectionModifier.setSocketFactoryForConnection(urlConnection);
        }
        if (urlConnection instanceof HttpURLConnection) {
            HttpURLConnection httpConnection = (HttpURLConnection) urlConnection;
            // $NON-NLS-1$
            httpConnection.setRequestMethod("HEAD");
            httpConnection.connect();
        } else {
            InputStream ins = urlConnection.getInputStream();
            ins.close();
        }
        code = getResponseCode(urlConnection);
        if (isHTTP()) {
            if (code == HttpURLConnection.HTTP_OK) {
            // do nothing
            } else if (code == HttpURLConnection.HTTP_NOT_FOUND) {
                // $NON-NLS-1$
                throw new BrowseFileTransferException(NLS.bind("File not found: {0}", directoryOrFile.toString()), code);
            } else if (code == HttpURLConnection.HTTP_UNAUTHORIZED) {
                // $NON-NLS-1$
                throw new BrowseFileTransferException("Unauthorized", code);
            } else if (code == HttpURLConnection.HTTP_FORBIDDEN) {
                // $NON-NLS-1$
                throw new BrowseFileTransferException("Forbidden", code);
            } else if (code == HttpURLConnection.HTTP_PROXY_AUTH) {
                // $NON-NLS-1$
                throw new BrowseFileTransferException("Proxy auth required", code);
            } else {
                // $NON-NLS-1$
                throw new BrowseFileTransferException(NLS.bind("General connection error with response code={0} and header(0)={1}", new Integer(code), urlConnection.getHeaderField(0)), code);
            }
        }
        remoteFiles = new IRemoteFile[1];
        remoteFiles[0] = new URLRemoteFile(urlConnection.getLastModified(), urlConnection.getContentLength(), fileID);
    } catch (final FileNotFoundException e) {
        // $NON-NLS-1$
        throw new IncomingFileTransferException(NLS.bind("File not found: {0}", directoryOrFile.toString()), 404);
    } catch (Exception e) {
        // $NON-NLS-1$
        Exception except = (e instanceof BrowseFileTransferException) ? e : new BrowseFileTransferException(NLS.bind("Could not connect to {0}", directoryOrFile), e, code);
        throw except;
    }
}

Example 4 with BrowseFileTransferException

use of org.eclipse.ecf.filetransfer.BrowseFileTransferException in project ecf by eclipse.

the class URLBrowseTest method testBrowseUnknownHost.

public void testBrowseUnknownHost() throws Exception {
    testBrowse(new URL(URLRetrieveTestUnknownHost.HTTP_UNKNOWN_HOST_URL));
    Thread.sleep(3000);
    assertHasEventCount(events, IRemoteFileSystemBrowseEvent.class, 1);
    IRemoteFileSystemBrowseEvent event = (IRemoteFileSystemBrowseEvent) events.get(0);
    assertNotNull(event);
    final IRemoteFile[] remoteFiles = event.getRemoteFiles();
    assertNull(remoteFiles);
    Exception e = event.getException();
    assertNotNull(e);
    if (e instanceof BrowseFileTransferException) {
        BrowseFileTransferException ifte = (BrowseFileTransferException) e;
        assertTrue(ifte.getCause() instanceof UnknownHostException);
    } else
        fail("Event exception is not instance of BrowseFileTransferException");
}