X-Git-Url: https://juplo.de/gitweb/?p=examples%2Ffacebook-app;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fyourshouter%2FUserCookieInterceptor.java;h=1b00e09da447d4d094ba274b77b0b0b81e3e80dc;hp=6a6cba62fecb33b8cd85d9de55d7d447a5ba1321;hb=refs%2Ftags%2Fpart-06;hpb=02f599692669d48f9865764fda994ad61d203ffb

diff --git a/src/main/java/de/juplo/yourshouter/UserCookieInterceptor.java b/src/main/java/de/juplo/yourshouter/UserCookieInterceptor.java
index 6a6cba6..1b00e09 100644
--- a/src/main/java/de/juplo/yourshouter/UserCookieInterceptor.java
+++ b/src/main/java/de/juplo/yourshouter/UserCookieInterceptor.java
@@ -1,7 +1,9 @@
 package de.juplo.yourshouter;
 
 
+import java.io.IOException;
 import java.util.Collections;
+import java.util.regex.Pattern;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import org.slf4j.Logger;
@@ -20,6 +22,7 @@ public final class UserCookieInterceptor extends HandlerInterceptorAdapter
 {
   private final static Logger LOG =
       LoggerFactory.getLogger(UserCookieInterceptor.class);
+  private final static Pattern PATTERN = Pattern.compile("^/signin|canvas");
 
 
   private final UsersConnectionRepository repository;
@@ -52,6 +55,9 @@ public final class UserCookieInterceptor extends HandlerInterceptorAdapter
    * @return
    *     Always <code>true</code>, to indicate, that the intercepted request
    *     should be handled normally.
+   * @throws java.io.IOException
+   *     if something wents wrong, while sending the redirect to the
+   *     sign-in-page.
    */
   @Override
   public boolean preHandle(
@@ -59,7 +65,12 @@ public final class UserCookieInterceptor extends HandlerInterceptorAdapter
       HttpServletResponse response,
       Object handler
       )
+      throws
+        IOException
   {
+    if (PATTERN.matcher(request.getServletPath()).find())
+      return true;
+
     String user = UserCookieGenerator.INSTANCE.readCookieValue(request);
     if (user != null)
     {
@@ -78,7 +89,9 @@ public final class UserCookieInterceptor extends HandlerInterceptorAdapter
         UserCookieGenerator.INSTANCE.removeCookie(response);
       }
     }
-    return true;
+
+    response.sendRedirect("/signin.html");
+    return false;
   }
 
   /**