CB-8201 Add support for auth dialogs into Cordova Android

framework/src/org/apache/cordova/CordovaHttpAuthHandler.java

@@ -0,0 +1,51 @@
+/*
+       Licensed to the Apache Software Foundation (ASF) under one
+       or more contributor license agreements.  See the NOTICE file
+       distributed with this work for additional information
+       regarding copyright ownership.  The ASF licenses this file
+       to you under the Apache License, Version 2.0 (the
+       "License"); you may not use this file except in compliance
+       with the License.  You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+       Unless required by applicable law or agreed to in writing,
+       software distributed under the License is distributed on an
+       "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+       KIND, either express or implied.  See the License for the
+       specific language governing permissions and limitations
+       under the License.
+*/
+package org.apache.cordova;
+
+import android.webkit.HttpAuthHandler;
+
+/**
+ * Specifies interface for HTTP auth handler object which is used to handle auth requests and
+ * specifying user credentials.
+ */
+public class CordovaHttpAuthHandler implements ICordovaHttpAuthHandler {
+
+    private final HttpAuthHandler handler;
+
+    public CordovaHttpAuthHandler(HttpAuthHandler handler) {
+        this.handler = handler;
+    }
+    
+    /**
+     * Instructs the WebView to cancel the authentication request.
+     */
+    public void cancel () {
+        this.handler.cancel();
+    }
+    
+    /**
+     * Instructs the WebView to proceed with the authentication with the given credentials.
+     * 
+     * @param username
+     * @param password
+     */
+    public void proceed (String username, String password) {
+        this.handler.proceed(username, password);
+    }
+}

framework/src/org/apache/cordova/CordovaPlugin.java

@@ -198,4 +198,20 @@ public class CordovaPlugin {
      */
     public void onReset() {
     }
+    
+    /**
+     * Called when the system received an HTTP authentication request. Plugin can use
+     * the supplied HttpAuthHandler to process this auth challenge.
+     *
+     * @param view              The WebView that is initiating the callback
+     * @param handler           The HttpAuthHandler used to set the WebView's response
+     * @param host              The host requiring authentication
+     * @param realm             The realm for which authentication is required
+     * 
+     * @return                  Returns True if plugin will resolve this auth challenge, otherwise False
+     * 
+     */
+    public boolean onReceivedHttpAuthRequest(CordovaWebView view, ICordovaHttpAuthHandler handler, String host, String realm) {
+        return false;
+    }
 }

framework/src/org/apache/cordova/CordovaWebViewClient.java

@@ -115,16 +115,23 @@ public class CordovaWebViewClient extends WebViewClient {
     @Override
     public void onReceivedHttpAuthRequest(WebView view, HttpAuthHandler handler, String host, String realm) {
 
-        // Get the authentication token
+        // Get the authentication token (if specified)
         AuthenticationToken token = this.getAuthenticationToken(host, realm);
         if (token != null) {
             handler.proceed(token.getUserName(), token.getPassword());
+            return;
         }
-        else {
-            // Handle 401 like we'd normally do!
+
+        // Check if there is some plugin which can resolve this auth challenge
+        PluginManager pluginManager = this.appView.pluginManager;
+        if (pluginManager != null && pluginManager.onReceivedHttpAuthRequest(this.appView, new CordovaHttpAuthHandler(handler), host, realm)) {
+            this.appView.loadUrlTimeout++;
+            return;
+        }
+
+        // By default handle 401 like we'd normally do!
         super.onReceivedHttpAuthRequest(view, handler, host, realm);
     }
-    }
 
     /**
      * Notify the host application that a page has started loading.

framework/src/org/apache/cordova/ICordovaHttpAuthHandler.java

@@ -0,0 +1,38 @@
+/*
+       Licensed to the Apache Software Foundation (ASF) under one
+       or more contributor license agreements.  See the NOTICE file
+       distributed with this work for additional information
+       regarding copyright ownership.  The ASF licenses this file
+       to you under the Apache License, Version 2.0 (the
+       "License"); you may not use this file except in compliance
+       with the License.  You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+       Unless required by applicable law or agreed to in writing,
+       software distributed under the License is distributed on an
+       "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+       KIND, either express or implied.  See the License for the
+       specific language governing permissions and limitations
+       under the License.
+*/
+package org.apache.cordova;
+
+/**
+ * Specifies interface for HTTP auth handler object which is used to handle auth requests and
+ * specifying user credentials.
+ */
+ public interface ICordovaHttpAuthHandler {
+    /**
+     * Instructs the WebView to cancel the authentication request.
+     */
+    public void cancel ();
+    
+    /**
+     * Instructs the WebView to proceed with the authentication with the given credentials.
+     * 
+     * @param username The user name
+     * @param password The password
+     */
+    public void proceed (String username, String password);
+}

framework/src/org/apache/cordova/PluginManager.java

@@ -242,6 +242,27 @@ public class PluginManager {
         }
     }
 
+    /**
+     * Called when the system received an HTTP authentication request. Plugins can use
+     * the supplied HttpAuthHandler to process this auth challenge.
+     *
+     * @param view              The WebView that is initiating the callback
+     * @param handler           The HttpAuthHandler used to set the WebView's response
+     * @param host              The host requiring authentication
+     * @param realm             The realm for which authentication is required
+     * 
+     * @return                  Returns True if there is a plugin which will resolve this auth challenge, otherwise False
+     * 
+     */
+    public boolean onReceivedHttpAuthRequest(CordovaWebView view, ICordovaHttpAuthHandler handler, String host, String realm) {
+        for (CordovaPlugin plugin : this.pluginMap.values()) {
+            if (plugin != null && plugin.onReceivedHttpAuthRequest(view, handler, host, realm)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     /**
      * Called when the activity will start interacting with the user.
      *