complete registration and login

1 files changed, 38 insertions, 0 deletions

diff --git a/src/main/java/com/blog/web/security/CustomUserDetailsService.java b/src/main/java/com/blog/web/security/CustomUserDetailsService.java
new file mode 100644
index 0000000..a7516f3
--- /dev/null
+++ b/src/main/java/com/blog/web/security/CustomUserDetailsService.java
@@ -0,0 +1,38 @@
+package com.blog.web.security;
+
+import com.blog.web.models.UserEntity;
+import com.blog.web.repository.UserRepository;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;
+import org.springframework.stereotype.Service;
+
+import java.util.stream.Collectors;
+
+@Service
+public class CustomUserDetailsService implements UserDetailsService {
+    private UserRepository userRepository;
+
+    public CustomUserDetailsService(UserRepository userRepository) {
+        this.userRepository = userRepository;
+    }
+
+    @Override
+    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
+        UserEntity user = userRepository.findFirstByUsername(username);
+        if(user != null) {
+            User authUser = new User(
+                    user.getEmail(),
+                    user.getPassword(),
+                    user.getRoles().stream().map((role) -> new SimpleGrantedAuthority(role.getName()))
+                            .collect(Collectors.toList())
+            );
+            return authUser;
+        }
+        else {
+            throw new UsernameNotFoundException("Invalid username or password");
+        }
+    }
+}