juick-www: Facebook and VK login using scribejava

1 files changed, 12 insertions, 0 deletions

diff --git a/juick-www/src/main/java/com/juick/www/Utils.java b/juick-www/src/main/java/com/juick/www/Utils.java
index 37016ed2..d7b5597d 100644
--- a/juick-www/src/main/java/com/juick/www/Utils.java
+++ b/juick-www/src/main/java/com/juick/www/Utils.java
@@ -32,6 +32,7 @@ import java.net.URL;
 import java.net.URLConnection;
 import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
+import java.util.Optional;
 
 /**
  *
@@ -108,4 +109,15 @@ public class Utils {
             return null;
         }
     }
+    /**
+     * Returns the viewName to return for coming back to the sender url
+     *
+     * @param request Instance of {@link HttpServletRequest} or use an injected instance
+     * @return Optional with the view name. Recomended to use an alternativa url with
+     * {@link Optional#orElse(java.lang.Object)}
+     */
+    public static Optional<String> getPreviousPageByRequest(HttpServletRequest request)
+    {
+        return Optional.ofNullable(request.getHeader("Referer")).map(requestUrl -> "redirect:" + requestUrl);
+    }
 }