created new api's for login with spid

src/main/java/net/gepafin/tendermanagement/util/Utils.java

@@ -15,6 +15,7 @@ import org.slf4j.LoggerFactory;
 import java.lang.reflect.Field;
 import java.lang.reflect.Type;
 import java.nio.charset.StandardCharsets;
+import java.security.SecureRandom;
 import java.util.Base64;
 import java.util.List;
 import java.util.Map;
@@ -161,4 +162,32 @@ public class Utils {
 			}
 		}
 	}
+
+	public static String encodeData(String data) {
+        return Base64.getEncoder().encodeToString(data.getBytes(StandardCharsets.UTF_8));
+    }
+
+    public static String decodeData(String token) {
+        byte[] decodedBytes = Base64.getDecoder().decode(token);
+        return new String(decodedBytes, StandardCharsets.UTF_8);
+    }
+
+	public static String generateSecureToken() {
+        SecureRandom secureRandom = new SecureRandom();
+        byte[] tokenBytes = new byte[24];
+        secureRandom.nextBytes(tokenBytes);
+        String token = Base64.getUrlEncoder().withoutPadding().encodeToString(tokenBytes);
+        log.debug("Generated secure token: {}", token);
+        return token;
+    }
+
+	public static Map<String, List<Object>> convertStringIntoMap(String jsonString) {
+		try {
+			return mapper.readValue(jsonString, new TypeReference<Map<String, List<Object>>>() {
+			});
+		} catch (Exception e) {
+			log.error("Error converting object: " + e.getMessage(), e);
+			return null;
+		}
+	}
 }

src/main/java/net/gepafin/tendermanagement/util/Validator.java

@@ -1,11 +1,19 @@
 package net.gepafin.tendermanagement.util;
 
 import jakarta.servlet.http.HttpServletRequest;
+import net.gepafin.tendermanagement.config.Translator;
 import net.gepafin.tendermanagement.config.jwt.TokenProvider;
+import net.gepafin.tendermanagement.constants.GepafinConstant;
 import net.gepafin.tendermanagement.entities.UserEntity;
+import net.gepafin.tendermanagement.enums.RoleStatusEnum;
 import net.gepafin.tendermanagement.service.UserService;
+import net.gepafin.tendermanagement.web.rest.api.errors.Status;
+import net.gepafin.tendermanagement.web.rest.api.errors.UnauthorizedAccessException;
 
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.stereotype.Component;
 
 import java.util.Map;
@@ -28,4 +36,24 @@ public class Validator {
 		return userService.validateUser(Long.parseLong(userInfo.get("userId").toString()));
 	}
 
+	public Boolean checkIsSuperAdmin(HttpServletRequest request) {
+		Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+
+		if (authentication != null && authentication.isAuthenticated()) {
+			// Check if the user has the ROLE_SUPER_ADMIN authority
+			for (GrantedAuthority authority : authentication.getAuthorities()) {
+				if (RoleStatusEnum.ROLE_SUPER_ADMIN.getValue().equals(authority.getAuthority())) {
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+
+	public void validateRequest(HttpServletRequest request,RoleStatusEnum role) {
+		if (RoleStatusEnum.ROLE_SUPER_ADMIN.equals(role) && Boolean.FALSE.equals(checkIsSuperAdmin(request))) {
+			throw new UnauthorizedAccessException(Status.UNAUTHORIZED, Translator.toLocale(GepafinConstant.INVALID_USER));
+		}
+	}
+	
 }