custom authentication provider sample

2013-06-02 12:22:09 +03:00
parent 7175867d2d
commit a2e7741d75
2 changed files with 43 additions and 6 deletions
@@ -0,0 +1,42 @@
+package org.baeldung.security;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.security.authentication.AuthenticationProvider;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.stereotype.Component;
+
+@Component
+public class CustomAuthenticationProvider implements AuthenticationProvider {
+
+    public CustomAuthenticationProvider() {
+        super();
+    }
+
+    // API
+
+    @Override
+    public Authentication authenticate(final Authentication authentication) throws AuthenticationException {
+        final String name = authentication.getName();
+        final String password = authentication.getCredentials().toString();
+        if (name.equals("admin") && password.equals("system")) {
+            final List<GrantedAuthority> grantedAuths = new ArrayList<>();
+            grantedAuths.add(new SimpleGrantedAuthority("ROLE_USER"));
+            final Authentication auth = new UsernamePasswordAuthenticationToken(name, password, grantedAuths);
+            return auth;
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    public boolean supports(final Class<?> authentication) {
+        return authentication.equals(UsernamePasswordAuthenticationToken.class);
+    }
+
+}