diff options
Diffstat (limited to 'base/common/src/com/netscape/certsrv/client/PKIConnection.java')
| -rw-r--r-- | base/common/src/com/netscape/certsrv/client/PKIConnection.java | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/base/common/src/com/netscape/certsrv/client/PKIConnection.java b/base/common/src/com/netscape/certsrv/client/PKIConnection.java new file mode 100644 index 000000000..578e1cf44 --- /dev/null +++ b/base/common/src/com/netscape/certsrv/client/PKIConnection.java @@ -0,0 +1,313 @@ +package com.netscape.certsrv.client; + +import java.io.File; +import java.io.IOException; +import java.net.InetAddress; +import java.net.InetSocketAddress; +import java.net.Socket; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.UnknownHostException; +import java.util.ArrayList; +import java.util.Enumeration; +import java.util.List; + +import javax.ws.rs.core.MediaType; + +import org.apache.commons.httpclient.ConnectTimeoutException; +import org.apache.http.Header; +import org.apache.http.HttpEntityEnclosingRequest; +import org.apache.http.HttpException; +import org.apache.http.HttpRequest; +import org.apache.http.HttpRequestInterceptor; +import org.apache.http.HttpResponse; +import org.apache.http.HttpResponseInterceptor; +import org.apache.http.ProtocolException; +import org.apache.http.auth.AuthScope; +import org.apache.http.auth.UsernamePasswordCredentials; +import org.apache.http.auth.params.AuthPNames; +import org.apache.http.client.methods.HttpUriRequest; +import org.apache.http.client.params.AuthPolicy; +import org.apache.http.client.params.HttpClientParams; +import org.apache.http.conn.scheme.LayeredSchemeSocketFactory; +import org.apache.http.conn.scheme.Scheme; +import org.apache.http.conn.scheme.SchemeSocketFactory; +import org.apache.http.impl.client.ClientParamsStack; +import org.apache.http.impl.client.DefaultHttpClient; +import org.apache.http.impl.client.DefaultRedirectStrategy; +import org.apache.http.impl.client.EntityEnclosingRequestWrapper; +import org.apache.http.impl.client.RequestWrapper; +import org.apache.http.params.HttpParams; +import org.apache.http.protocol.HttpContext; +import org.jboss.resteasy.client.ClientExecutor; +import org.jboss.resteasy.client.ClientRequest; +import org.jboss.resteasy.client.ClientResponse; +import org.jboss.resteasy.client.ClientResponseFailure; +import org.jboss.resteasy.client.ProxyFactory; +import org.jboss.resteasy.client.core.BaseClientResponse; +import org.jboss.resteasy.client.core.executors.ApacheHttpClient4Executor; +import org.jboss.resteasy.client.core.extractors.ClientErrorHandler; +import org.jboss.resteasy.spi.ResteasyProviderFactory; +import org.mozilla.jss.CryptoManager; +import org.mozilla.jss.crypto.AlreadyInitializedException; +import org.mozilla.jss.ssl.SSLCertificateApprovalCallback; +import org.mozilla.jss.ssl.SSLSocket; + + +public class PKIConnection { + + boolean verbose; + + ClientConfig config; + + DefaultHttpClient httpClient = new DefaultHttpClient(); + + ResteasyProviderFactory providerFactory; + ClientErrorHandler errorHandler; + ClientExecutor executor; + + public PKIConnection(ClientConfig config) { + this.config = config; + + // Register https scheme. + Scheme scheme = new Scheme("https", 443, new JSSProtocolSocketFactory()); + httpClient.getConnectionManager().getSchemeRegistry().register(scheme); + + if (config.getUsername() != null && config.getPassword() != null) { + List<String> authPref = new ArrayList<String>(); + authPref.add(AuthPolicy.BASIC); + httpClient.getParams().setParameter(AuthPNames.PROXY_AUTH_PREF, authPref); + + httpClient.getCredentialsProvider().setCredentials( + AuthScope.ANY, + new UsernamePasswordCredentials(config.getUsername(), config.getPassword())); + } + + httpClient.addRequestInterceptor(new HttpRequestInterceptor() { + @Override + public void process(HttpRequest request, HttpContext context) throws HttpException, IOException { + if (verbose) { + System.out.println("HTTP request: "+request.getRequestLine()); + for (Header header : request.getAllHeaders()) { + System.out.println(" "+header.getName()+": "+header.getValue()); + } + } + + // Set the request parameter to follow redirections. + HttpParams params = request.getParams(); + if (params instanceof ClientParamsStack) { + ClientParamsStack paramsStack = (ClientParamsStack)request.getParams(); + params = paramsStack.getRequestParams(); + } + HttpClientParams.setRedirecting(params, true); + } + }); + + httpClient.addResponseInterceptor(new HttpResponseInterceptor() { + @Override + public void process(HttpResponse response, HttpContext context) throws HttpException, IOException { + if (verbose) { + System.out.println("HTTP response: "+response.getStatusLine()); + for (Header header : response.getAllHeaders()) { + System.out.println(" "+header.getName()+": "+header.getValue()); + } + } + } + }); + + httpClient.setRedirectStrategy(new DefaultRedirectStrategy() { + @Override + public HttpUriRequest getRedirect(HttpRequest request, HttpResponse response, HttpContext context) + throws ProtocolException { + + HttpUriRequest uriRequest = super.getRedirect(request, response, context); + + URI uri = uriRequest.getURI(); + if (verbose) System.out.println("HTTP redirect: "+uri); + + // Redirect the original request to the new URI. + RequestWrapper wrapper; + if (request instanceof HttpEntityEnclosingRequest) { + wrapper = new EntityEnclosingRequestWrapper((HttpEntityEnclosingRequest)request); + } else { + wrapper = new RequestWrapper(request); + } + wrapper.setURI(uri); + + return wrapper; + } + + @Override + public boolean isRedirected(HttpRequest request, HttpResponse response, HttpContext context) + throws ProtocolException { + + // The default redirection policy does not redirect POST or PUT. + // This overrides the policy to follow redirections for all HTTP methods. + return response.getStatusLine().getStatusCode() == 302; + } + }); + + executor = new ApacheHttpClient4Executor(httpClient); + providerFactory = ResteasyProviderFactory.getInstance(); + providerFactory.addClientErrorInterceptor(new PKIErrorInterceptor()); + errorHandler = new ClientErrorHandler(providerFactory.getClientErrorInterceptors()); + } + + private class ServerCertApprovalCB implements SSLCertificateApprovalCallback { + + // Callback to approve or deny returned SSL server cert. + // Right now, simply approve the cert. + public boolean approve(org.mozilla.jss.crypto.X509Certificate serverCert, + SSLCertificateApprovalCallback.ValidityStatus status) { + + if (verbose) System.out.println("Server certificate: "+serverCert.getSubjectDN()); + + SSLCertificateApprovalCallback.ValidityItem item; + + Enumeration<?> errors = status.getReasons(); + while (errors.hasMoreElements()) { + item = (SSLCertificateApprovalCallback.ValidityItem) errors.nextElement(); + int reason = item.getReason(); + + if (reason == SSLCertificateApprovalCallback.ValidityStatus.UNTRUSTED_ISSUER || + reason == SSLCertificateApprovalCallback.ValidityStatus.BAD_CERT_DOMAIN) { + + // Allow these two since we haven't installed the CA cert for trust. + + return true; + + } + } + + // For other errors return false. + + return false; + } + } + + private class JSSProtocolSocketFactory implements SchemeSocketFactory, LayeredSchemeSocketFactory { + + @Override + public Socket createSocket(HttpParams params) throws IOException { + return null; + } + + @Override + public Socket connectSocket(Socket sock, + InetSocketAddress remoteAddress, + InetSocketAddress localAddress, + HttpParams params) + throws IOException, + UnknownHostException, + ConnectTimeoutException { + + // Initialize JSS before using SSLSocket, + // otherwise it will throw UnsatisfiedLinkError. + if (config.getCertDatabase() == null) { + try { + // No database specified, use $HOME/.pki/nssdb. + File homeDir = new File(System.getProperty("user.home")); + File pkiDir = new File(homeDir, ".pki"); + File nssdbDir = new File(pkiDir, "nssdb"); + nssdbDir.mkdirs(); + + CryptoManager.initialize(nssdbDir.getAbsolutePath()); + + } catch (AlreadyInitializedException e) { + // ignore + + } catch (Exception e) { + throw new Error(e); + } + + } else { + // Database specified, already initialized by the main program. + } + + String hostName = null; + int port = 0; + if (remoteAddress != null) { + hostName = remoteAddress.getHostName(); + port = remoteAddress.getPort(); + } + + int localPort = 0; + InetAddress localAddr = null; + + if (localAddress != null) { + localPort = localAddress.getPort(); + localAddr = localAddress.getAddress(); + } + + SSLSocket socket; + if (sock == null) { + socket = new SSLSocket(InetAddress.getByName(hostName), + port, + localAddr, + localPort, + new ServerCertApprovalCB(), + null); + + } else { + socket = new SSLSocket(sock, hostName, new ServerCertApprovalCB(), null); + } + + String certNickname = config.getCertNickname(); + if (certNickname != null) { + if (verbose) System.out.println("Client certificate: "+certNickname); + socket.setClientCertNickname(certNickname); + } + + return socket; + } + + @Override + public boolean isSecure(Socket sock) { + // We only use this factory in the case of SSL Connections. + return true; + } + + @Override + public Socket createLayeredSocket(Socket socket, String target, int port, boolean autoClose) + throws IOException, UnknownHostException { + // This method implementation is required to get SSL working. + return null; + } + + } + + public <T> T createProxy(Class<T> clazz) throws URISyntaxException { + URI uri = new URI(config.getServerURI()+"/rest"); + return ProxyFactory.create(clazz, uri, executor, providerFactory); + } + + @SuppressWarnings("unchecked") + public <T> T getEntity(ClientResponse<T> response) { + BaseClientResponse<T> clientResponse = (BaseClientResponse<T>)response; + try { + clientResponse.checkFailureStatus(); + + } catch (ClientResponseFailure e) { + errorHandler.clientErrorHandling((BaseClientResponse<T>) e.getResponse(), e); + + } catch (RuntimeException e) { + errorHandler.clientErrorHandling(clientResponse, e); + } + + return response.getEntity(); + } + + public ClientResponse<String> post(String content) throws Exception { + ClientRequest request = executor.createRequest(config.getServerURI().toString()); + request.body(MediaType.APPLICATION_FORM_URLENCODED, content); + return request.post(String.class); + } + + public boolean isVerbose() { + return verbose; + } + + public void setVerbose(boolean verbose) { + this.verbose = verbose; + } +} |