added the module configuration data and made use of it in the canInstall

method in the conferencing module

conf-sso/dynamo.xml

@@ -51,6 +51,9 @@
   <object name="module-manager" classname="com.silverwrist.dynamo.module.ModuleManager" priority="2">
     <module-directory>${code.path}/modules</module-directory>
     <database connection="data" namespaces="nscache"/>
+    <config-db>
+      <item ns="http://www.silverwrist.com/NS/dynamo/2002/12/07/dynamo.objects" name="security">srm</item>
+    </config-db>
   </object>
 
   <!-- Data-driven objects -->

conf/dynamo-venice.xml

@@ -51,6 +51,9 @@
   <object name="module-manager" classname="com.silverwrist.dynamo.module.ModuleManager" priority="2">
     <module-directory>${code.path}/modules</module-directory>
     <database connection="data" namespaces="nscache"/>
+    <config-db>
+      <item ns="http://www.silverwrist.com/NS/dynamo/2002/12/07/dynamo.objects" name="security">srm</item>
+    </config-db>
   </object>
 
   <!-- Data-driven objects -->

src/conferencing-module/com/silverwrist/venice/conf/module/ModuleMain.java

@@ -19,9 +19,13 @@ package com.silverwrist.venice.conf.module;
 
 import java.security.Principal;
 import java.util.*;
+import com.silverwrist.dynamo.Namespaces;
 import com.silverwrist.dynamo.except.*;
 import com.silverwrist.dynamo.iface.*;
+import com.silverwrist.dynamo.module.ModuleConfigurationData;
+import com.silverwrist.dynamo.security.SecurityReferenceMonitor;
 import com.silverwrist.dynamo.util.*;
+import com.silverwrist.venice.VeniceNamespaces;
 import com.silverwrist.venice.community.CommunityServiceInstall;
 import com.silverwrist.venice.util.*;
 import com.silverwrist.venice.conf.ConfNamespaces;
@@ -120,8 +124,26 @@ public class ModuleMain implements ModuleFunctions, UseCount
 
   public boolean canInstall(ServiceProvider services, Principal installer)
   {
-    return true;  // TEMP
-  }
+    try
+    { // get the module configuration data to get the SRM name, then use that to get the actual SRM, then get
+      // the global ACL, then test permissions
+      ModuleConfigurationData conf_data =
+          (ModuleConfigurationData)(services.queryService(ModuleConfigurationData.class));
+      String srm_name = conf_data.getValue(Namespaces.DYNAMO_OBJECT_NAMESPACE,"security");
+      SecurityReferenceMonitor srm =
+          (SecurityReferenceMonitor)(GetObjectUtils.getDynamoComponent(services,SecurityReferenceMonitor.class,
+								       srm_name));
+      DynamoAcl gacl = srm.getGlobalAcl();
+      return gacl.testPermission((DynamoUser)installer,VeniceNamespaces.SYSTEM_PERMS_NAMESPACE,"edit.menus");
+
+    } // end try
+    catch (Exception e)
+    { // unable to test permission
+      return false;
+
+    } // end catch
+
+  } // end canInstall
 
   public void install(ModuleSite site, ServiceProvider services, Principal installer, DynamoLog log)
       throws ModuleException

src/dynamo-framework/com/silverwrist/dynamo/module/ConfigData.java

@@ -0,0 +1,86 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (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.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2003 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.dynamo.module;
+
+import java.util.*;
+import org.w3c.dom.*;
+import com.silverwrist.util.xml.*;
+import com.silverwrist.dynamo.except.*;
+
+class ConfigData implements ModuleConfigurationData
+{
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private Hashtable m_store = new Hashtable();
+
+  /*--------------------------------------------------------------------------------
+   * Constructor
+   *--------------------------------------------------------------------------------
+   */
+
+  ConfigData(Element elt) throws ConfigException
+  {
+    XMLLoader loader = XMLLoader.get();
+    try
+    { // get a list of all <item/> sub-elements
+      List l = loader.getMatchingSubElements(elt,"item");
+      Iterator it = l.iterator();
+      while (it.hasNext())
+      { // get each <item/> and decode it
+	Element n = (Element)(it.next());
+	String tmp = loader.getAttribute(n,"ns");
+	Hashtable tab = (Hashtable)(m_store.get(tmp));
+	if (tab==null)
+	{ // create a Hashtable for this namespace
+	  tab = new Hashtable();
+	  m_store.put(tmp,tab);
+
+	} // end if
+
+	tmp = loader.getAttribute(n,"name");
+	tab.put(tmp,loader.getText(n));
+
+      } // end while
+
+    } // end try
+    catch (XMLLoadException e)
+    { // translate XML loader exception
+      throw new ConfigException(e);
+
+    } // end catch
+
+  } // end constructor
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface ModuleConfigurationData
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getValue(String namespace, String name)
+  {
+    Hashtable tab = (Hashtable)(m_store.get(namespace));
+    if (tab==null)
+      return null;
+    return (String)(tab.get(name));
+
+  } // end getValue
+
+} // end class ConfigData

src/dynamo-framework/com/silverwrist/dynamo/module/ModuleConfigurationData.java

@@ -0,0 +1,24 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (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.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2003 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.dynamo.module;
+
+public interface ModuleConfigurationData
+{
+  public String getValue(String namespace, String name);
+
+} // end interface ModuleConfigurationData

src/dynamo-framework/com/silverwrist/dynamo/module/ModuleManager.java

@@ -154,6 +154,7 @@ public class ModuleManager implements NamedObject, ComponentInitialize, Componen
   {
     XMLLoader loader = XMLLoader.get();
     String mod_dir = null, conn_name = null, nscache_name = null;
+    ConfigData cfg_data = null;
     try
     { // verify the right node name
       loader.verifyNodeName(config_root,"object");
@@ -170,6 +171,10 @@ public class ModuleManager implements NamedObject, ComponentInitialize, Componen
       conn_name = loader.getAttribute(elt,"connection");
       nscache_name = loader.getAttribute(elt,"namespaces");
 
+      // get the module configuration data
+      elt = loader.getSubElement(config_root_h,"config-db");
+      cfg_data = new ConfigData(elt);
+
     } // end try
     catch (XMLLoadException e)
     { // error loading XML config data
@@ -201,6 +206,7 @@ public class ModuleManager implements NamedObject, ComponentInitialize, Componen
 
     // Get the install service manager and set up the install service provider.
     m_instservice = new InstallServiceManager();
+    m_instservice.addService(ModuleConfigurationData.class,(ModuleConfigurationData)cfg_data);
     m_install_services = m_instservice.getServiceProvider(m_appcon.getInitServices());
 
     // Hook this into the service providers.