diff --git a/restservice/pom.xml b/restservice/pom.xml
index 60714c1..773be7a 100755
--- a/restservice/pom.xml
+++ b/restservice/pom.xml
@@ -57,6 +57,13 @@
       <scope>test</scope>
     </dependency>
 
+    <!-- https://mvnrepository.com/artifact/org.jasig.cas.client/cas-client-core -->
+    <dependency>
+      <groupId>org.jasig.cas.client</groupId>
+      <artifactId>cas-client-core</artifactId>
+      <version>3.6.2</version>
+    </dependency>
+
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-security</artifactId>
diff --git a/restservice/src/main/java/com/plannaplan/controllers/TokenController.java b/restservice/src/main/java/com/plannaplan/controllers/TokenController.java
index f6e35e3..8e06c2e 100755
--- a/restservice/src/main/java/com/plannaplan/controllers/TokenController.java
+++ b/restservice/src/main/java/com/plannaplan/controllers/TokenController.java
@@ -1,6 +1,7 @@
 package com.plannaplan.controllers;
 
 import com.plannaplan.exceptions.UserNotFoundException;
+import com.plannaplan.security.cas.CasUserIdentity;
 import com.plannaplan.security.cas.CasValidationExcepiton;
 import com.plannaplan.security.cas.DefaultUAMCasValidator;
 import com.plannaplan.services.UserService;
@@ -34,7 +35,8 @@ public class TokenController {
         final DefaultUAMCasValidator validator = new DefaultUAMCasValidator(SERVICE_URL, ticket);
 
         try {
-            String authority = validator.validate();
+            CasUserIdentity casUserIdentity = validator.validate();
+            String authority = casUserIdentity.getEmail(); 
             String token = this.userService.login(authority);
             return new ResponseEntity<>(token, HttpStatus.OK);
         } catch (CasValidationExcepiton e) {
diff --git a/restservice/src/main/java/com/plannaplan/security/cas/CasUserIdentity.java b/restservice/src/main/java/com/plannaplan/security/cas/CasUserIdentity.java
new file mode 100644
index 0000000..90b1f5e
--- /dev/null
+++ b/restservice/src/main/java/com/plannaplan/security/cas/CasUserIdentity.java
@@ -0,0 +1,19 @@
+package com.plannaplan.security.cas;
+
+public class CasUserIdentity {
+    private String usosId;
+    private String email;
+    
+    public CasUserIdentity(String usosId, String email){
+        this.usosId = usosId;
+        this.email = email;
+    }
+
+    public String getUsosId() {
+        return usosId;
+    } 
+
+    public String getEmail() {
+        return email;
+    } 
+}
\ No newline at end of file
diff --git a/restservice/src/main/java/com/plannaplan/security/cas/CasValidator.java b/restservice/src/main/java/com/plannaplan/security/cas/CasValidator.java
index 8cde61c..b091e42 100644
--- a/restservice/src/main/java/com/plannaplan/security/cas/CasValidator.java
+++ b/restservice/src/main/java/com/plannaplan/security/cas/CasValidator.java
@@ -2,6 +2,5 @@ package com.plannaplan.security.cas;
 
 public interface CasValidator {
  
-    String validate();
-    
+    CasUserIdentity validate();
 }
diff --git a/restservice/src/main/java/com/plannaplan/security/cas/CustomUAMCasValidator.java b/restservice/src/main/java/com/plannaplan/security/cas/CustomUAMCasValidator.java
index 764be01..9a845df 100644
--- a/restservice/src/main/java/com/plannaplan/security/cas/CustomUAMCasValidator.java
+++ b/restservice/src/main/java/com/plannaplan/security/cas/CustomUAMCasValidator.java
@@ -17,23 +17,25 @@ public class CustomUAMCasValidator implements CasValidator {
     }
 
     @Override
-    public String validate() {
+    public CasUserIdentity validate() {
         /* 
         * TO DO 
         * Dodać case z CAS10/CAS20/CAS30
         */
-        Cas20ServiceTicketValidator validator = new Cas20ServiceTicketValidator(CustomUAMCasValidator.CAS_URL);
+        final Cas20ServiceTicketValidator validator = new Cas20ServiceTicketValidator(CustomUAMCasValidator.CAS_URL);
 
         try {
-            Assertion assertion = validator.validate(this.ticket, this.service);
+            final Assertion assertion = validator.validate(this.ticket, this.service);
+            
             if (assertion == null) {
                 throw new CasValidationExcepiton("Validation failed. Assertion could not be retrieved for ticket " + "");
             }
-            String usosid = assertion.getPrincipal().getAttributes().get(CustomUAMCasValidator.USOS_ID).toString();
-            String mail = assertion.getPrincipal().getAttributes().get(CustomUAMCasValidator.EMAIL_FIELD).toString();
 
-            System.out.println(usosid);
-            System.out.println(mail);
+            final String usosid = assertion.getPrincipal().getAttributes().get(CustomUAMCasValidator.USOS_ID).toString();
+            
+            final String mail = assertion.getPrincipal().getAttributes().get(CustomUAMCasValidator.EMAIL_FIELD).toString();
+
+            return new CasUserIdentity(usosid,mail);
 
         } catch (TicketValidationException e) {
             e.printStackTrace();
diff --git a/restservice/src/main/java/com/plannaplan/security/cas/DefaultUAMCasValidator.java b/restservice/src/main/java/com/plannaplan/security/cas/DefaultUAMCasValidator.java
index b5c2ad6..e79a410 100755
--- a/restservice/src/main/java/com/plannaplan/security/cas/DefaultUAMCasValidator.java
+++ b/restservice/src/main/java/com/plannaplan/security/cas/DefaultUAMCasValidator.java
@@ -21,7 +21,7 @@ public class DefaultUAMCasValidator implements CasValidator {
     }
 
     @Override
-    public String validate() {
+    public CasUserIdentity validate() {
         try {
             HttpGet request = new HttpGet(DefaultUAMCasValidator.CAS_URL + "/validate?service="
                     + URLEncoder.encode(this.service, "UTF-8") + "&ticket=" + URLEncoder.encode(this.ticket, "UTF-8"));
@@ -39,7 +39,7 @@ public class DefaultUAMCasValidator implements CasValidator {
                 }
 
                 String res = result.substring(result.indexOf('\n') + 1);
-                return res;
+                return new CasUserIdentity(null,res);
 
             }
         }
diff --git a/restservice/src/test/java/com/plannaplan/security/cas/DefaultUAMCasValidatorTest.java b/restservice/src/test/java/com/plannaplan/security/cas/DefaultUAMCasValidatorTest.java
index 7ebb5c3..1373e93 100755
--- a/restservice/src/test/java/com/plannaplan/security/cas/DefaultUAMCasValidatorTest.java
+++ b/restservice/src/test/java/com/plannaplan/security/cas/DefaultUAMCasValidatorTest.java
@@ -26,7 +26,7 @@ public class DefaultUAMCasValidatorTest {
     public void shouldNotValidateTicket() {
         final DefaultUAMCasValidator validator = new DefaultUAMCasValidator("http://localhost:3000", "notticket");
         try {
-            assertTrue(validator.validate().trim().equals(""));
+            assertTrue(validator.validate().getEmail().trim().equals(""));
         } catch (CasValidationExcepiton e) {
             assertTrue(true);
         } catch (Exception e) {