Fix authentication cast to OpenAIREAuthentication while it is not a instance of. Check cookie existance to avoid extra calls for get user info.

src/main/java/eu/dnetlib/uoaauthorizationlibrary/security/AuthorizationService.java

@@ -1,6 +1,7 @@
 package eu.dnetlib.uoaauthorizationlibrary.security;
 
 import org.apache.log4j.Logger;
+import org.springframework.security.core.Authentication;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.stereotype.Component;
@@ -69,7 +70,7 @@ public class AuthorizationService {
     }
 
     public List<String> getRoles() {
-        OpenAIREAuthentication authentication = (OpenAIREAuthentication) SecurityContextHolder.getContext().getAuthentication();
+        OpenAIREAuthentication authentication = getAuthentication();
         if (authentication != null && authentication.isAuthenticated()) {
             return authentication.getAuthorities().stream().map(GrantedAuthority::getAuthority).collect(Collectors.toList());
         }
@@ -77,7 +78,7 @@ public class AuthorizationService {
     }
 
     public String getAaiId() {
-        OpenAIREAuthentication authentication = (OpenAIREAuthentication) SecurityContextHolder.getContext().getAuthentication();
+        OpenAIREAuthentication authentication = getAuthentication();
         if (authentication != null && authentication.isAuthenticated()) {
             return authentication.getUser().getSub();
         }
@@ -85,10 +86,19 @@ public class AuthorizationService {
     }
 
     public String getEmail() {
-        OpenAIREAuthentication authentication = (OpenAIREAuthentication) SecurityContextHolder.getContext().getAuthentication();
+        OpenAIREAuthentication authentication = getAuthentication();
         if (authentication != null && authentication.isAuthenticated()) {
             return authentication.getUser().getEmail();
         }
         return null;
     }
+
+    private OpenAIREAuthentication getAuthentication() {
+        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+        if(authentication instanceof OpenAIREAuthentication) {
+            return (OpenAIREAuthentication) authentication;
+        } else {
+            return null;
+        }
+    }
 }

src/main/java/eu/dnetlib/uoaauthorizationlibrary/utils/AuthorizationUtils.java

@@ -10,12 +10,15 @@ import org.springframework.web.client.RestTemplate;
 
 import javax.servlet.http.Cookie;
 import javax.servlet.http.HttpServletRequest;
+import java.util.Arrays;
 import java.util.Collections;
 
 @Component
 public class AuthorizationUtils {
     private final Logger log = Logger.getLogger(this.getClass());
     private final SecurityConfig securityConfig;
+    private final static String TOKEN = "AccessToken";
+    private final static String SESSION = "OpenAIRESession";
 
     @Autowired
     AuthorizationUtils(SecurityConfig securityConfig) {
@@ -27,10 +30,9 @@ public class AuthorizationUtils {
             return null;
         }
         for (Cookie c : request.getCookies()) {
-            if (c.getName().equals("AccessToken")) {
+            if (c.getName().equals(TOKEN)) {
                 return c.getValue();
             }
-
         }
         return null;
     }
@@ -39,11 +41,23 @@ public class AuthorizationUtils {
         String url = securityConfig.getUserInfoUrl() + (securityConfig.isDeprecated()?getToken(request):"");
         RestTemplate restTemplate = new RestTemplate();
         try {
-            ResponseEntity<UserInfo> response = restTemplate.exchange(url, HttpMethod.GET, createHeaders(request), UserInfo.class);
+            if(hasCookie(request)) {
-            return  response.getBody();
+                ResponseEntity<UserInfo> response = restTemplate.exchange(url, HttpMethod.GET, createHeaders(request), UserInfo.class);
-        } catch (RestClientException e) {
+                return  response.getBody();
-            log.error(e.getMessage());
+            }
             return null;
+        } catch (RestClientException e) {
+            log.error(url + ":" + e.getMessage());
+            return null;
+        }
+    }
+
+    private boolean hasCookie(HttpServletRequest request) {
+        Cookie[] cookies = request.getCookies();
+        if(securityConfig.isDeprecated()) {
+            return Arrays.stream(cookies).anyMatch(cookie -> cookie.getName().equalsIgnoreCase(TOKEN));
+        } else {
+            return Arrays.stream(cookies).anyMatch(cookie -> cookie.getName().equalsIgnoreCase(SESSION));
         }
     }