Redirect to “noPermission.html” if a POST request does not have the correct form...

[Sone.git] / src / main / java / net / pterodactylus / sone / web / page / TemplatePage.java

diff --git a/src/main/java/net/pterodactylus/sone/web/page/TemplatePage.java b/src/main/java/net/pterodactylus/sone/web/page/TemplatePage.java
index e483aa3..761e89b 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/web/page/TemplatePage.java
+++ b/src/main/java/net/pterodactylus/sone/web/page/TemplatePage.java
@@ -21,6 +21,7 @@ import java.io.StringWriter;
 import java.util.Collection;
 import java.util.Collections;
 
+import net.pterodactylus.sone.web.page.Page.Request.Method;
 import net.pterodactylus.util.template.Template;
 import freenet.clients.http.LinkEnabledCallback;
 import freenet.clients.http.PageMaker;
@@ -47,6 +48,9 @@ public class TemplatePage implements Page, LinkEnabledCallback {
        /** The l10n key for the page title. */
        private final String pageTitleKey;
 
+       /** Where to redirect for invalid form passwords. */
+       private final String invalidFormPasswordRedirectTarget;
+
        /**
         * Creates a new template page.
         *
@@ -58,12 +62,16 @@ public class TemplatePage implements Page, LinkEnabledCallback {
         *            The L10n handler
         * @param pageTitleKey
         *            The l10n key of the title page
+        * @param invalidFormPasswordRedirectTarget
+        *            The target to redirect to if a POST request does not contain
+        *            the correct form password
         */
-       public TemplatePage(String path, Template template, BaseL10n l10n, String pageTitleKey) {
+       public TemplatePage(String path, Template template, BaseL10n l10n, String pageTitleKey, String invalidFormPasswordRedirectTarget) {
                this.path = path;
                this.template = template;
                this.l10n = l10n;
                this.pageTitleKey = pageTitleKey;
+               this.invalidFormPasswordRedirectTarget = invalidFormPasswordRedirectTarget;
        }
 
        /**
@@ -85,11 +93,22 @@ public class TemplatePage implements Page, LinkEnabledCallback {
                }
 
                ToadletContext toadletContext = request.getToadletContext();
+               if (request.getMethod() == Method.POST) {
+                       /* require form password. */
+                       String formPassword = request.getHttpRequest().getPartAsStringFailsafe("formPassword", 32);
+                       if (!formPassword.equals(toadletContext.getContainer().getFormPassword())) {
+                               return new RedirectResponse(invalidFormPasswordRedirectTarget);
+                       }
+               }
                PageMaker pageMaker = toadletContext.getPageMaker();
                PageNode pageNode = pageMaker.getPageNode(l10n.getString(pageTitleKey), toadletContext);
                for (String styleSheet : getStyleSheets()) {
                        pageNode.addCustomStyleSheet(styleSheet);
                }
+               String shortcutIcon = getShortcutIcon();
+               if (shortcutIcon != null) {
+                       pageNode.addForwardLink("icon", shortcutIcon);
+               }
 
                try {
                        processTemplate(request, template);
@@ -115,6 +134,15 @@ public class TemplatePage implements Page, LinkEnabledCallback {
        }
 
        /**
+        * Returns the name of the shortcut icon to include in the page’s header.
+        *
+        * @return The URL of the shortcut icon, or {@code null} for no icon
+        */
+       protected String getShortcutIcon() {
+               return null;
+       }
+
+       /**
         * Can be overridden when extending classes need to set variables in the
         * template before it is rendered.
         *