check for mismatched versions

apps/routerconsole/java/src/net/i2p/router/web/PluginUpdateHandler.java

@@ -209,6 +209,8 @@ public class PluginUpdateHandler extends UpdateHandler {
                     return;
                 }
             }
+
+            String sudVersion = TrustedUpdate.getVersionString(f);
             f.delete();
 
             String appName = props.getProperty("name");
@@ -219,6 +221,11 @@ public class PluginUpdateHandler extends UpdateHandler {
                 updateStatus("<b>" + _("Plugin from {0} has invalid name or version", url) + "</b>");
                 return;
             }
+            if (!version.equals(sudVersion)) {
+                to.delete();
+                updateStatus("<b>" + _("Plugin {0} has mismatched versions", appName) + "</b>");
+                return;
+            }
 
             // todo compare sud version with property version
 
@@ -242,7 +249,7 @@ public class PluginUpdateHandler extends UpdateHandler {
             if (destDir.exists()) {
                 if (Boolean.valueOf(props.getProperty("install-only")).booleanValue()) {
                     to.delete();
-                    updateStatus("<b>" + _("Downloaded plugin is not for upgrading but the plugin is already installed", url) + "</b>");
+                    updateStatus("<b>" + _("Downloaded plugin is for new installs only, but the plugin is already installed", url) + "</b>");
                     return;
                 }
 

apps/routerconsole/jsp/configclients.jsp

@@ -55,7 +55,7 @@ button span.hide{
  </p><hr><div class="formaction">
  <input type="submit" name="action" value="<%=intl._("Save WebApp Configuration")%>" />
 </div></div><h3><a name="webapp"></a><%=intl._("Plugin Configuration")%></h3><p>
- <%=intl._("The plugins listed below are started by the webConsole client and run in the same JVM as the router. They are usually web applications accessible through the router console.")%>
+ <%=intl._("The plugins listed below are started by the webConsole client.")%>
  </p><div class="wideload"><p>
  <jsp:getProperty name="clientshelper" property="form3" />
  </p><hr><div class="formaction">