Index: continuum-api/src/main/java/org/apache/maven/continuum/project/builder/ContinuumProjectBuilder.java
===================================================================
--- continuum-api/src/main/java/org/apache/maven/continuum/project/builder/ContinuumProjectBuilder.java	(revision 239452)
+++ continuum-api/src/main/java/org/apache/maven/continuum/project/builder/ContinuumProjectBuilder.java	(working copy)
@@ -26,6 +26,6 @@
 {
     String ROLE = ContinuumProjectBuilder.class.getName();
 
-    ContinuumProjectBuildingResult buildProjectsFromMetadata( URL url )
+    ContinuumProjectBuildingResult buildProjectsFromMetadata( URL url, String username, String password )
         throws ContinuumProjectBuilderException;
 }
Index: continuum-api/src/main/java/org/apache/maven/continuum/project/builder/AbstractContinuumProjectBuilder.java
===================================================================
--- continuum-api/src/main/java/org/apache/maven/continuum/project/builder/AbstractContinuumProjectBuilder.java	(revision 239452)
+++ continuum-api/src/main/java/org/apache/maven/continuum/project/builder/AbstractContinuumProjectBuilder.java	(working copy)
@@ -22,6 +22,8 @@
 import java.io.InputStream;
 import java.net.URL;
 
+import org.codehaus.plexus.formica.util.MungedHttpsURL;
+
 import org.codehaus.plexus.logging.AbstractLogEnabled;
 import org.codehaus.plexus.util.IOUtil;
 
@@ -33,13 +35,22 @@
     extends AbstractLogEnabled
     implements ContinuumProjectBuilder
 {
-    protected File createMetadataFile( URL metadata )
+    protected File createMetadataFile( URL metadata, String username, String password )
         throws IOException
     {
         getLogger().info( "Downloading " + metadata.toExternalForm() );
 
-        InputStream is = metadata.openStream();
+        InputStream is = null;
 
+        if ( metadata.getProtocol().equals( "https" ) )
+        {
+            is = new MungedHttpsURL( metadata.toExternalForm(), username, password ).getURL().openStream();
+        }
+        else
+        {
+            is = metadata.openStream();
+        }
+
         File file = File.createTempFile( "continuum-", ".tmp" );
 
         file.deleteOnExit();
@@ -54,4 +65,5 @@
 
         return file;
     }
+
 }
Index: continuum-api/pom.xml
===================================================================
--- continuum-api/pom.xml	(revision 239452)
+++ continuum-api/pom.xml	(working copy)
@@ -12,6 +12,11 @@
     <dependency>
       <groupId>org.apache.maven.continuum</groupId>
       <artifactId>continuum-model</artifactId>
-    </dependency>
+   </dependency>
+   <dependency>
+      <groupId>plexus</groupId>
+      <artifactId>plexus-formica</artifactId>
+      <version>1.0-beta-5-SNAPSHOT</version>
+   </dependency>
   </dependencies>
 </project>