Add authentication

src/main/kotlin/top/fatweb/api/entity/permission/LoginUser.kt

@@ -0,0 +1,36 @@
+package top.fatweb.api.entity.permission
+
+import com.fasterxml.jackson.annotation.JsonIgnore
+import org.springframework.security.core.GrantedAuthority
+import org.springframework.security.core.userdetails.UserDetails
+
+class LoginUser() : UserDetails {
+    lateinit var user: User
+
+    @JsonIgnore
+    private var authorities: List<GrantedAuthority>? = null
+
+    constructor(user: User) : this() {
+        this.user = user
+    }
+
+    @JsonIgnore
+    override fun getAuthorities(): List<GrantedAuthority> {
+        authorities?.let { return it }
+        authorities = emptyList()
+
+        return authorities as List<GrantedAuthority>
+    }
+
+    override fun getPassword(): String? = user.password
+
+    override fun getUsername(): String? = user.username
+
+    override fun isAccountNonExpired(): Boolean = true
+
+    override fun isAccountNonLocked(): Boolean = true
+
+    override fun isCredentialsNonExpired(): Boolean = true
+
+    override fun isEnabled(): Boolean = user.enable == 1
+}