Merge remote-tracking branch 'origin/libs/scrypt/local'

[gigi.git] / src / org / cacert / gigi / pages / Page.java

diff --git a/src/org/cacert/gigi/pages/Page.java b/src/org/cacert/gigi/pages/Page.java
index 540969f3f2ede26eec5edf32aa8afa5860178391..f2bdbd7f7c370951ccfd02cfc9776ec3f6c86833 100644 (file)
--- a/src/org/cacert/gigi/pages/Page.java
+++ b/src/org/cacert/gigi/pages/Page.java
@@ -2,12 +2,16 @@ package org.cacert.gigi.pages;
 
 import java.io.IOException;
 import java.net.URL;
+import java.util.Enumeration;
+import java.util.Locale;
 
 import javax.servlet.ServletRequest;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
 
-import org.cacert.gigi.User;
+import org.cacert.gigi.PermissionCheckable;
+import org.cacert.gigi.dbObjects.User;
 import org.cacert.gigi.localisation.Language;
 import org.cacert.gigi.output.template.Template;
 
@@ -15,7 +19,7 @@ import org.cacert.gigi.output.template.Template;
  * This class encapsulates a sub page of Gigi. A template residing nearby this
  * class with name <className>.templ will be loaded automatically.
  */
-public abstract class Page {
+public abstract class Page implements PermissionCheckable {
 
     private String title;
 
@@ -98,12 +102,29 @@ public abstract class Page {
         return title;
     }
 
-    public void setTitle(String title) {
-        this.title = title;
-    }
-
     public static Language getLanguage(ServletRequest req) {
-        return Language.getInstance("de");
+        HttpSession session = ((HttpServletRequest) req).getSession();
+        synchronized (session) {
+
+            Locale sessval = (Locale) session.getAttribute(Language.SESSION_ATTRIB_NAME);
+            if (sessval != null) {
+                Language l = Language.getInstance(sessval);
+                if (l != null) {
+                    return l;
+                }
+            }
+            Enumeration<Locale> langs = req.getLocales();
+            while (langs.hasMoreElements()) {
+                Locale c = langs.nextElement();
+                Language l = Language.getInstance(c);
+                if (l != null) {
+                    session.setAttribute(Language.SESSION_ATTRIB_NAME, l.getLocale());
+                    return l;
+                }
+            }
+            session.setAttribute(Language.SESSION_ATTRIB_NAME, Locale.ENGLISH);
+            return Language.getInstance(Locale.ENGLISH);
+        }
     }
 
     public static String translate(ServletRequest req, String string) {
@@ -115,4 +136,9 @@ public abstract class Page {
         return LoginPage.getUser(req);
     }
 
+    @Override
+    public boolean isPermitted(User u) {
+        return !needsLogin() || u != null;
+    }
+
 }