Fixing issues surfaced when a proper authentication scheme is not defined for certain resources

components/webapp-authenticator-framework/org.wso2.carbon.webapp.authenticator.framework/src/main/java/org/wso2/carbon/webapp/authenticator/framework/WebappAuthenticator.java

@@ -31,6 +31,6 @@ public interface WebappAuthenticator {
 
     Status authenticate(Request request, Response response);
 
-    String getAuthenticatorName();
+    String getName();
 
 }

components/webapp-authenticator-framework/org.wso2.carbon.webapp.authenticator.framework/src/main/java/org/wso2/carbon/webapp/authenticator/framework/WebappAuthenticatorFactory.java

@@ -29,7 +29,7 @@ import org.wso2.carbon.webapp.authenticator.framework.authenticator.OAuthAuthent
 public class WebappAuthenticatorFactory {
 
     public static WebappAuthenticator getAuthenticator(String authScheme) {
-        return new OAuthAuthenticator();
+        return DataHolder.getWebappAuthenticatorRepository().getAuthenticator(authScheme);
     }
 
 }

components/webapp-authenticator-framework/org.wso2.carbon.webapp.authenticator.framework/src/main/java/org/wso2/carbon/webapp/authenticator/framework/WebappAuthenticatorFrameworkValve.java

@@ -29,14 +29,18 @@ import javax.servlet.http.HttpServletResponse;
 
 public class WebappAuthenticatorFrameworkValve extends CarbonTomcatValve {
 
-    private static final String AUTHENTICATION_SCHEME = "AuthenticationScheme";
-    private static final Log log = LogFactory.getLog(WebappAuthenticatorFrameworkValve.class);
+    private static final String AUTHENTICATION_SCHEME = "authentication-scheme";
 
     @Override
     public void invoke(Request request, Response response, CompositeValve compositeValve) {
         String authScheme =
                 request.getContext().findParameter(WebappAuthenticatorFrameworkValve.AUTHENTICATION_SCHEME);
+        if (authScheme == null || "".equals(authScheme)) {
+            this.getNext().invoke(request, response, compositeValve);
+            return;
+        }
         WebappAuthenticator authenticator = WebappAuthenticatorFactory.getAuthenticator(authScheme);
+
         WebappAuthenticator.Status status = authenticator.authenticate(request, response);
         this.processResponse(request, response, compositeValve, status);
     }
@@ -55,5 +59,4 @@ public class WebappAuthenticatorFrameworkValve extends CarbonTomcatValve {
         }
     }
 
-
 }

components/webapp-authenticator-framework/org.wso2.carbon.webapp.authenticator.framework/src/main/java/org/wso2/carbon/webapp/authenticator/framework/authenticator/BasicAuthAuthenticator.java

@@ -28,7 +28,7 @@ import org.wso2.carbon.webapp.authenticator.framework.WebappAuthenticator;
 
 public class BasicAuthAuthenticator implements WebappAuthenticator {
 
-    private static final String BASIC_AUTH_AUTHENTICATOR = "BasicAuthAuthenticator";
+    private static final String BASIC_AUTH_AUTHENTICATOR = "BasicAuth";
 
     @Override
     public boolean isAuthenticated(Request request) {
@@ -41,7 +41,7 @@ public class BasicAuthAuthenticator implements WebappAuthenticator {
     }
 
     @Override
-    public String getAuthenticatorName() {
+    public String getName() {
         return BasicAuthAuthenticator.BASIC_AUTH_AUTHENTICATOR;
     }
 

components/webapp-authenticator-framework/org.wso2.carbon.webapp.authenticator.framework/src/main/java/org/wso2/carbon/webapp/authenticator/framework/authenticator/OAuthAuthenticator.java

@@ -37,7 +37,7 @@ import java.util.StringTokenizer;
 
 public class OAuthAuthenticator implements WebappAuthenticator {
 
-    private static final String OAUTH_AUTHENTICATOR = "OAuthAuthenticator";
+    private static final String OAUTH_AUTHENTICATOR = "OAuth";
     private static APITokenAuthenticator authenticator = new APITokenAuthenticator();
 
     private static final Log log = LogFactory.getLog(OAuthAuthenticator.class);
@@ -97,7 +97,7 @@ public class OAuthAuthenticator implements WebappAuthenticator {
     }
 
     @Override
-    public String getAuthenticatorName() {
+    public String getName() {
         return OAuthAuthenticator.OAUTH_AUTHENTICATOR;
     }
 

components/webapp-authenticator-framework/org.wso2.carbon.webapp.authenticator.framework/src/main/java/org/wso2/carbon/webapp/authenticator/framework/internal/WebappAuthenticatorFrameworkBundleActivator.java

@@ -24,7 +24,10 @@ import org.osgi.framework.BundleActivator;
 import org.osgi.framework.BundleContext;
 import org.wso2.carbon.tomcat.ext.valves.CarbonTomcatValve;
 import org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer;
+import org.wso2.carbon.webapp.authenticator.framework.WebappAuthenticator;
 import org.wso2.carbon.webapp.authenticator.framework.WebappAuthenticatorFrameworkValve;
+import org.wso2.carbon.webapp.authenticator.framework.WebappAuthenticatorRepository;
+import org.wso2.carbon.webapp.authenticator.framework.config.AuthenticatorConfig;
 import org.wso2.carbon.webapp.authenticator.framework.config.WebappAuthenticatorConfig;
 
 import java.util.ArrayList;
@@ -41,6 +44,14 @@ public class WebappAuthenticatorFrameworkBundleActivator implements BundleActiva
         }
         try {
             WebappAuthenticatorConfig.init();
+
+            WebappAuthenticatorRepository repository = new WebappAuthenticatorRepository();
+            for (AuthenticatorConfig config : WebappAuthenticatorConfig.getInstance().getAuthenticators()) {
+                WebappAuthenticator authenticator =
+                        (WebappAuthenticator) Class.forName(config.getClassName()).newInstance();
+                repository.addAuthenticator(authenticator);
+            }
+
             List<CarbonTomcatValve> valves = new ArrayList<CarbonTomcatValve>();
             valves.add(new WebappAuthenticatorFrameworkValve());
             TomcatValveContainer.addValves(valves);