diff --git a/buisnesslogic/pom.xml b/buisnesslogic/pom.xml
index 7ac501b..cc76da2 100755
--- a/buisnesslogic/pom.xml
+++ b/buisnesslogic/pom.xml
@@ -74,6 +74,37 @@
       <version>2.2.5.RELEASE</version>
     </dependency>
 
+    <!-- https://mvnrepository.com/artifact/org.springframework.social/spring-social-core -->
+    <dependency>
+      <groupId>org.springframework.social</groupId>
+      <artifactId>spring-social-core</artifactId>
+      <version>1.1.6.RELEASE</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.springframework.social</groupId>
+      <artifactId>spring-social-web</artifactId>
+      <version>1.1.6.RELEASE</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.springframework.social</groupId>
+      <artifactId>spring-social-config</artifactId>
+      <version>1.1.6.RELEASE</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.springframework.social</groupId>
+      <artifactId>spring-social-security</artifactId>
+      <version>1.1.6.RELEASE</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-web</artifactId>
+    </dependency>
+
+
   </dependencies>
 
   <build>
diff --git a/buisnesslogic/src/main/java/com/plannaplan/services/UsosApiService.java b/buisnesslogic/src/main/java/com/plannaplan/services/UsosApiService.java
new file mode 100755
index 0000000..1f5eb25
--- /dev/null
+++ b/buisnesslogic/src/main/java/com/plannaplan/services/UsosApiService.java
@@ -0,0 +1,54 @@
+package com.plannaplan.services;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.ResponseEntity;
+import org.springframework.social.oauth1.OAuth1Parameters;
+import org.springframework.social.support.ClientHttpRequestFactorySelector;
+// import org.springframework.social.oauth1.OAuth1Template;
+import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.social.oauth1.*;
+import org.springframework.http.client.ClientHttpRequestInterceptor;
+// import org.springframework.social.oauth1.ProtectedResourceClientFactory;
+
+@Service
+public class UsosApiService {
+    public UsosApiService() {
+
+    }
+
+    public void xd() {
+        RestTemplate xddd = new RestTemplate();
+
+        HttpHeaders headers = new HttpHeaders();
+        headers.set("oauth_version", "1.0");
+        headers.set("oauth_signature_method", "HMAC-SHA1");
+        headers.set("oauth_consumer_key", "e6jbeN57HC99MfsfmZwN");
+        headers.set("oauth_signature", "fhcLdwerJyzZBGA9WnAYzbySJRW9Wv5wj3h8uVgp");
+        headers.set("oauth_nonce", "" + (int) (Math.random() * 100000000));
+        headers.set("oauth_timestamp", "" + (System.currentTimeMillis() / 1000));
+
+        // BasicAuthenticationInterceptor
+
+        // OAuth1Credentials credentials;
+        // RestTemplate client = new
+        // RestTemplate(ClientHttpRequestFactorySelector.getRequestFactory());
+        // OAuth1RequestInterceptor interceptor = new
+        // OAuth1RequestInterceptor(credentials);
+        // List<ClientHttpRequestInterceptor> interceptors = new
+        // LinkedList<ClientHttpRequestInterceptor>();
+        // interceptors.add(interceptor);
+        // client.setInterceptors(interceptors);
+
+        HttpEntity<String> entity = new HttpEntity<>(headers);
+
+        ResponseEntity<String> result = xddd.exchange("https://usosapidemo.amu.edu.pl/services/users/user",
+                HttpMethod.GET, entity, String.class);
+        System.out.println(result);
+    }
+}
diff --git a/buisnesslogic/src/test/java/com/plannaplan/services/UsosApiServiceTest.java b/buisnesslogic/src/test/java/com/plannaplan/services/UsosApiServiceTest.java
new file mode 100755
index 0000000..6167e9a
--- /dev/null
+++ b/buisnesslogic/src/test/java/com/plannaplan/services/UsosApiServiceTest.java
@@ -0,0 +1,37 @@
+package com.plannaplan.services;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.annotation.DirtiesContext.MethodMode;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.List;
+
+import com.plannaplan.entities.User;
+import com.plannaplan.exceptions.UserNotFoundException;
+import com.plannaplan.types.UserRoles;
+
+import org.junit.Test;
+import org.junit.jupiter.api.TestMethodOrder;
+import org.junit.jupiter.api.MethodOrderer.OrderAnnotation;
+import org.junit.runner.RunWith;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+@ContextConfiguration
+@TestMethodOrder(OrderAnnotation.class)
+public class UsosApiServiceTest {
+
+    @Autowired
+    private UsosApiService service;
+
+    @Test
+    public void chuj() {
+        this.service.xd();
+    }
+
+}