Merge pull request #740 from owncloud/revert-669-master

[pub/Android/ownCloud.git] / src / com / owncloud / android / authentication / SsoWebViewClient.java

diff --git a/src/com/owncloud/android/authentication/SsoWebViewClient.java b/src/com/owncloud/android/authentication/SsoWebViewClient.java
index ff39f63..b90ab85 100644 (file)
--- a/src/com/owncloud/android/authentication/SsoWebViewClient.java
+++ b/src/com/owncloud/android/authentication/SsoWebViewClient.java
@@ -17,13 +17,29 @@
 
 package com.owncloud.android.authentication;
 
 
 package com.owncloud.android.authentication;
 

+import java.io.ByteArrayInputStream;

 import java.lang.ref.WeakReference;
 import java.lang.ref.WeakReference;

+import java.security.cert.Certificate;
+import java.security.cert.CertificateException;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;

 
 

+import com.owncloud.android.lib.common.network.NetworkUtils;
+import com.owncloud.android.lib.common.utils.Log_OC;
+
+import android.content.Context;

 import android.graphics.Bitmap;
 import android.graphics.Bitmap;

+import android.net.http.SslCertificate;
+import android.net.http.SslError;
+import android.os.Bundle;

 import android.os.Handler;
 import android.os.Message;
 import android.os.Handler;
 import android.os.Message;

+import android.view.KeyEvent;

 import android.view.View;
 import android.webkit.CookieManager;
 import android.view.View;
 import android.webkit.CookieManager;

+import android.webkit.HttpAuthHandler;
+import android.webkit.SslErrorHandler;
+import android.webkit.WebResourceResponse;

 import android.webkit.WebView;
 import android.webkit.WebViewClient;
 
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
 


@@ -39,20 +55,25 @@ import android.webkit.WebViewClient;
  */
 public class SsoWebViewClient extends WebViewClient {
         
  */
 public class SsoWebViewClient extends WebViewClient {
         

-    //private static final String TAG = SsoWebViewClient.class.getSimpleName();
+    private static final String TAG = SsoWebViewClient.class.getSimpleName();

     
     public interface SsoWebViewClientListener {
         public void onSsoFinished(String sessionCookie);
     }
     
     
     public interface SsoWebViewClientListener {
         public void onSsoFinished(String sessionCookie);
     }
     

+    private Context mContext;

     private Handler mListenerHandler;
     private WeakReference<SsoWebViewClientListener> mListenerRef;
     private String mTargetUrl;
     private Handler mListenerHandler;
     private WeakReference<SsoWebViewClientListener> mListenerRef;
     private String mTargetUrl;

+    private String mLastReloadedUrlAtError;
+

     
     

-    public SsoWebViewClient (Handler listenerHandler, SsoWebViewClientListener listener) {
+    public SsoWebViewClient (Context context, Handler listenerHandler, SsoWebViewClientListener listener) {
+        mContext = context;

         mListenerHandler = listenerHandler;
         mListenerRef = new WeakReference<SsoWebViewClient.SsoWebViewClientListener>(listener);
         mTargetUrl = "fake://url.to.be.set";
         mListenerHandler = listenerHandler;
         mListenerRef = new WeakReference<SsoWebViewClient.SsoWebViewClientListener>(listener);
         mTargetUrl = "fake://url.to.be.set";

+        mLastReloadedUrlAtError = null;

     }
     
     public String getTargetUrl() {
     }
     
     public String getTargetUrl() {


@@ -65,98 +86,151 @@ public class SsoWebViewClient extends WebViewClient {
 
     @Override
     public void onPageStarted (WebView view, String url, Bitmap favicon) {
 
     @Override
     public void onPageStarted (WebView view, String url, Bitmap favicon) {

-        //Log_OC.e(TAG, "onPageStarted : " + url);
+        Log_OC.d(TAG, "onPageStarted : " + url);
+        view.clearCache(true);
+        super.onPageStarted(view, url, favicon);
+    }
+    
+    @Override
+    public void onFormResubmission (WebView view, Message dontResend, Message resend) {
+        Log_OC.d(TAG, "onFormResubMission ");
+
+        // necessary to grant reload of last page when device orientation is changed after sending a form
+        resend.sendToTarget();
+    }
+
+    @Override
+    public boolean shouldOverrideUrlLoading(WebView view, String url) {
+        return false;
+    }
+    
+    @Override
+    public void onReceivedError (WebView view, int errorCode, String description, String failingUrl) {
+        Log_OC.e(TAG, "onReceivedError : " + failingUrl + ", code " + errorCode + ", description: " + description);
+        if (!failingUrl.equals(mLastReloadedUrlAtError)) {
+            view.reload();
+            mLastReloadedUrlAtError = failingUrl;
+        } else {
+            mLastReloadedUrlAtError = null;
+            super.onReceivedError(view, errorCode, description, failingUrl);
+        }
+    }
+    
+    @Override
+    public void onPageFinished (WebView view, String url) {
+        Log_OC.d(TAG, "onPageFinished : " + url);
+        mLastReloadedUrlAtError = null;

         if (url.startsWith(mTargetUrl)) {
             view.setVisibility(View.GONE);
             CookieManager cookieManager = CookieManager.getInstance();
             final String cookies = cookieManager.getCookie(url);
         if (url.startsWith(mTargetUrl)) {
             view.setVisibility(View.GONE);
             CookieManager cookieManager = CookieManager.getInstance();
             final String cookies = cookieManager.getCookie(url);

-            //Log_OC.e(TAG, cookies);
+            Log_OC.d(TAG, "Cookies: " + cookies);

             if (mListenerHandler != null && mListenerRef != null) {
             if (mListenerHandler != null && mListenerRef != null) {

-                // this is good idea because onPageStarted is not running in the UI thread
+                // this is good idea because onPageFinished is not running in the UI thread

                 mListenerHandler.post(new Runnable() {
                     @Override
                     public void run() {
                         SsoWebViewClientListener listener = mListenerRef.get();
                         if (listener != null) {
                 mListenerHandler.post(new Runnable() {
                     @Override
                     public void run() {
                         SsoWebViewClientListener listener = mListenerRef.get();
                         if (listener != null) {

+                               // Send Cookies to the listener

                             listener.onSsoFinished(cookies);
                         }
                     }
                 });
             }
                             listener.onSsoFinished(cookies);
                         }
                     }
                 });
             }

-        }
+        } 

     }
     
     }
     

-    @Override
-    public void onFormResubmission (WebView view, Message dontResend, Message resend) {
-        //Log_OC.e(TAG, "onFormResubMission ");
-        
-        // necessary to grant reload of last page when device orientation is changed after sending a form
-        resend.sendToTarget();  
-    }
-
-    /*
-    @Override
-    public boolean shouldOverrideUrlLoading(WebView view, String url) {
-        //view.loadUrl(url);
-        return false;
-    }

     
     @Override
     
     @Override

-    public void onReceivedError (WebView view, int errorCode, String description, String failingUrl) {
-        Log_OC.e(TAG, "onReceivedError : " + failingUrl);
-    }
-
-    @Override

     public void doUpdateVisitedHistory (WebView view, String url, boolean isReload) {
     public void doUpdateVisitedHistory (WebView view, String url, boolean isReload) {

-        Log_OC.e(TAG, "doUpdateVisitedHistory : " + url);
+        Log_OC.d(TAG, "doUpdateVisitedHistory : " + url);

     }
     
     @Override
     }
     
     @Override

-    public void onReceivedSslError (WebView view, SslErrorHandler handler, SslError error) {
-        Log_OC.e(TAG, "onReceivedSslError : " + error);
+    public void onReceivedSslError (final WebView view, final SslErrorHandler handler, SslError error) {
+        Log_OC.d(TAG, "onReceivedSslError : " + error);
+        // Test 1
+        X509Certificate x509Certificate = getX509CertificateFromError(error);
+        boolean isKnownServer = false;
+        
+        if (x509Certificate != null) {
+            Log_OC.d(TAG, "------>>>>> x509Certificate " + x509Certificate.toString());
+            
+            try {
+                isKnownServer = NetworkUtils.isCertInKnownServersStore((Certificate) x509Certificate, mContext);
+            } catch (Exception e) {
+                Log_OC.e(TAG, "Exception: " + e.getMessage());
+            }
+        }
+        
+         if (isKnownServer) {
+             handler.proceed();
+         } else {
+             ((AuthenticatorActivity)mContext).showUntrustedCertDialog(x509Certificate, error, handler);
+         }
+    }
+    
+    /**
+     * Obtain the X509Certificate from SslError
+     * @param   error     SslError
+     * @return  X509Certificate from error
+     */
+    public X509Certificate getX509CertificateFromError (SslError error) {
+        Bundle bundle = SslCertificate.saveState(error.getCertificate());
+        X509Certificate x509Certificate;
+        byte[] bytes = bundle.getByteArray("x509-certificate");
+        if (bytes == null) {
+            x509Certificate = null;
+        } else {
+            try {
+                CertificateFactory certFactory = CertificateFactory.getInstance("X.509");
+                Certificate cert = certFactory.generateCertificate(new ByteArrayInputStream(bytes));
+                x509Certificate = (X509Certificate) cert;
+            } catch (CertificateException e) {
+                x509Certificate = null;
+            }
+        }        
+        return x509Certificate;

     }
     
     @Override
     public void onReceivedHttpAuthRequest (WebView view, HttpAuthHandler handler, String host, String realm) {
     }
     
     @Override
     public void onReceivedHttpAuthRequest (WebView view, HttpAuthHandler handler, String host, String realm) {

-        Log_OC.e(TAG, "onReceivedHttpAuthRequest : " + host);
-    }
+        Log_OC.d(TAG, "onReceivedHttpAuthRequest : " + host);

 
 

-    @Override
-    public void onPageFinished (WebView view, String url) {
-        Log_OC.e(TAG, "onPageFinished : " + url);
+        ((AuthenticatorActivity)mContext).createAuthenticationDialog(view, handler);

     }
     }

-    
+

     @Override
     public WebResourceResponse shouldInterceptRequest (WebView view, String url) {
     @Override
     public WebResourceResponse shouldInterceptRequest (WebView view, String url) {

-        Log_OC.e(TAG, "shouldInterceptRequest : " + url);
+        Log_OC.d(TAG, "shouldInterceptRequest : " + url);

         return null;
     }
     
     @Override
     public void onLoadResource (WebView view, String url) {
         return null;
     }
     
     @Override
     public void onLoadResource (WebView view, String url) {

-        Log_OC.e(TAG, "onLoadResource : " + url);            
+        Log_OC.d(TAG, "onLoadResource : " + url);   

     }
     
     @Override
     public void onReceivedLoginRequest (WebView view, String realm, String account, String args) {
     }
     
     @Override
     public void onReceivedLoginRequest (WebView view, String realm, String account, String args) {

-        Log_OC.e(TAG, "onReceivedLoginRequest : " + realm + ", " + account + ", " + args);
+        Log_OC.d(TAG, "onReceivedLoginRequest : " + realm + ", " + account + ", " + args);

     }
     
     @Override
     public void onScaleChanged (WebView view, float oldScale, float newScale) {
     }
     
     @Override
     public void onScaleChanged (WebView view, float oldScale, float newScale) {

-        Log_OC.e(TAG, "onScaleChanged : " + oldScale + " -> " + newScale);
+        Log_OC.d(TAG, "onScaleChanged : " + oldScale + " -> " + newScale);
+        super.onScaleChanged(view, oldScale, newScale);

     }
     }

-    
+

     @Override
     public void onUnhandledKeyEvent (WebView view, KeyEvent event) {
     @Override
     public void onUnhandledKeyEvent (WebView view, KeyEvent event) {

-        Log_OC.e(TAG, "onUnhandledKeyEvent : " + event);
+        Log_OC.d(TAG, "onUnhandledKeyEvent : " + event);

     }
     
     @Override
     public boolean shouldOverrideKeyEvent (WebView view, KeyEvent event) {
     }
     
     @Override
     public boolean shouldOverrideKeyEvent (WebView view, KeyEvent event) {

-        Log_OC.e(TAG, "shouldOverrideKeyEvent : " + event);
+        Log_OC.d(TAG, "shouldOverrideKeyEvent : " + event);

         return false;
     }
         return false;
     }

-    */
-    

 }
 }