src/cx/fbn/nevernote/oauth/OAuthWindow.java

   1
   2 /*
   3   * This file is part of NixNote
   4  * Copyright 2012 Randy Baumgarte
   5  *
   6  * This file may be licensed under the terms of of the
   7  * GNU General Public License Version 2 (the ``GPL'').
   8  *
   9  * Software distributed under the License is distributed
  10  * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
  11  * express or implied. See the GPL for the specific language
  12  * governing rights and limitations.
  13  *
  14  * You should have received a copy of the GPL along with this
  15  * program. If not, go to http://www.gnu.org/licenses/gpl.html
  16  * or write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  *
  19 */
  20
  21
  22 /* This method is used to present the user with the web view of Evernote
  23  * that they need to grant permission to Nixnote.
  24  */
  25
  26
  27 package cx.fbn.nevernote.oauth;
  28
  29 import java.io.UnsupportedEncodingException;
  30 import java.net.URLDecoder;
  31
  32 import com.trolltech.qt.core.QUrl;
  33 import com.trolltech.qt.gui.QDialog;
  34 import com.trolltech.qt.gui.QGridLayout;
  35 import com.trolltech.qt.gui.QIcon;
  36 import com.trolltech.qt.network.QSslSocket;
  37 import com.trolltech.qt.webkit.QWebView;
  38
  39 import cx.fbn.nevernote.Global;
  40 import cx.fbn.nevernote.utilities.ApplicationLogger;
  41
  42 public class OAuthWindow extends QDialog {
  43         private final static String consumerKey = "baumgarr";
  44         private final static String consumerSecret = "60d4cdedb074b0ac";
  45         public String response;
  46
  47         private final String temporaryCredUrl;
  48         private final String permanentCredUrl;
  49
  50
  51         static final String urlBase = "https://"+Global.getServer();
  52
  53         public boolean error;
  54         public String errorMessage;
  55
  56         static final String requestTokenUrl = urlBase + "/oauth";
  57         static final String accessTokenUrl = urlBase + "/oauth";
  58         static final String authorizationUrlBase = urlBase + "/OAuth.action";
  59         private final String iconPath = new String("classpath:cx/fbn/nevernote/");
  60         private final QWebView tempPage;
  61         private final QWebView authPage;
  62         private final QGridLayout grid;
  63         private NNOAuthNetworkAccessManager manager;
  64
  65         static final String callbackUrl = "index.jsp?action=callbackReturn";
  66         private final ApplicationLogger logger;
  67
  68
  69         // Constructor.
  70         public OAuthWindow(ApplicationLogger l) {
  71                 logger = l;
  72                 int millis = (int) System.currentTimeMillis();
  73                 int time = millis / 1000;
  74
  75
  76                 // Create the URLs needed for authentication with Evernote
  77                 temporaryCredUrl = "https://"+Global.getServer() + "/oauth?oauth_consumer_key=" +consumerKey + "&oauth_signature=" +
  78                                 consumerSecret + "%26&oauth_signature_method=PLAINTEXT&oauth_timestamp="+String.valueOf(time)+
  79                                 "&oauth_nonce="+String.valueOf(millis) +"&oauth_callback=nnoauth";
  80
  81                 permanentCredUrl = "https://"+Global.getServer() + "/oauth?oauth_consumer_key=" +consumerKey + "&oauth_signature=" +
  82                                 consumerSecret + "%26&oauth_signature_method=PLAINTEXT&oauth_timestamp="+String.valueOf(time)+
  83                                 "&oauth_nonce="+String.valueOf(millis) +"&oauth_token=";
  84
  85
  86                 // Build the window
  87                 setWindowTitle(tr("Please Grant Nixnote Access"));
  88                 setWindowIcon(new QIcon(iconPath+"icons/password.png"));
  89                 grid = new QGridLayout();
  90                 setLayout(grid);
  91                 tempPage = new QWebView();
  92                 authPage = new QWebView();
  93                 grid.addWidget(authPage);
  94                 tempPage.loadFinished.connect(this, "temporaryCredentialsReceived()");
  95
  96                 error = false;
  97                 errorMessage = "";
  98
  99                 // Check that SSL sockets are supported
 100                 logger.log(logger.MEDIUM, "SSL Sockets Supported: " +QSslSocket.supportsSsl());
 101                 if (!QSslSocket.supportsSsl()) {
 102                         errorMessage = new String(tr("SSL Support not found.  Aborting connection"));
 103                         error = true;
 104                 }
 105
 106                 // Load the temporary URL to start the authentication procesess.  When
 107                 // finished, this QWebView will contain the URL to start the
 108                 // authentication process.
 109                 QUrl tu = new QUrl(temporaryCredUrl);
 110                 tempPage.load(tu);
 111         }
 112
 113
 114         // This method is triggered when the temporary credentials are received from Evernote
 115         public void temporaryCredentialsReceived() {
 116                 logger.log(logger.MEDIUM, "Temporary Credentials Received");
 117                 String contents = tempPage.page().mainFrame().toPlainText();
 118                 logger.log(logger.MEDIUM, "Temporary Credentials:" +contents);
 119                 int index = contents.indexOf("&oauth_token_secret");
 120                 contents = contents.substring(0,index);
 121                 QUrl accessUrl = new QUrl(urlBase+"/OAuth.action?" +contents);
 122                 manager = new NNOAuthNetworkAccessManager(logger);
 123                 authPage.page().setNetworkAccessManager(manager);
 124                 manager.tokenFound.connect(this, "tokenFound(String)");
 125
 126                 authPage.load(accessUrl);
 127                 grid.addWidget(authPage);
 128         }
 129
 130         // This method is signaled when NNOAuthNetworkAccessManager finds an OAuth token
 131         // in the network request.
 132         public void tokenFound(String token) {
 133                 logger.log(logger.MEDIUM, "*** TOKEN *** " +token);
 134                 if (token.indexOf("auth_verifier") <= 0) {
 135                         errorMessage = new String(tr("Error receiving authorization"));
 136                         error = true;
 137                         this.close();
 138                 }
 139                 tempPage.disconnect();
 140                 tempPage.loadFinished.connect(this, "permanentCredentialsReceived()");
 141                 logger.log(logger.HIGH,"Permanent URL: " +permanentCredUrl+token);
 142                 tempPage.load(new QUrl(permanentCredUrl+token));
 143         }
 144
 145
 146         // This method is used when the permanent credentials are finally
 147         // received to grant access to Evernote.
 148         public void permanentCredentialsReceived() {
 149                 String contents = tempPage.page().mainFrame().toPlainText();
 150                 if (contents.startsWith("oauth_token=S%3D")) {
 151                         logger.log(logger.HIGH, "Permanent Credentials:" +contents);
 152                         String decoded;
 153                         try {
 154                                 response = "";
 155                                 decoded = URLDecoder.decode(contents,"UTF-8");
 156                                 logger.log(logger.HIGH, "Decoded URL:"+decoded);
 157                                 response = decoded;
 158                         } catch (UnsupportedEncodingException e) {
 159                                 e.printStackTrace();
 160                         }
 161
 162                         this.close();
 163                 }
 164         }
 165
 166 }