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'use server';
import { redirect } from 'next/navigation';
import { revalidatePath } from 'next/cache';
import {
requestAdminLogin,
type DuplicateLoginNotice,
} from '@/lib/data/repositories/auth-repository';
import { createSession } from '@/lib/auth/session';
import { FORCE_LOGIN_FIELD } from '@/lib/constants/login';
export type LoginFormState = {
error?: string;
/** 다른 곳에 살아 있는 세션이 있어 확인이 필요하다. 화면이 안내 후 강제 로그인으로 재요청한다. */
duplicate?: DuplicateLoginNotice;
};
const GENERIC_LOGIN_ERROR = '아이디 또는 비밀번호가 올바르지 않습니다.';
const MAX_LOGIN_ID_LENGTH = 100;
const MAX_PASSWORD_LENGTH = 200;
function readTrimmedField(formData: FormData, key: string): string | null {
const value = formData.get(key);
if (typeof value !== 'string') {
return null;
}
const trimmed = value.trim();
return trimmed.length > 0 ? trimmed : null;
}
/**
* 로그인 Server Action — 인증의 진입점이라 사전 인증 확인은 성립하지 않는다(예외로 명시).
*/
export async function login(
_prevState: LoginFormState,
formData: FormData
): Promise<LoginFormState> {
const loginId = readTrimmedField(formData, 'loginId');
const password = readTrimmedField(formData, 'password');
if (
!loginId ||
!password ||
loginId.length > MAX_LOGIN_ID_LENGTH ||
password.length > MAX_PASSWORD_LENGTH
) {
return { error: GENERIC_LOGIN_ERROR };
}
const outcome = await requestAdminLogin({
loginId,
password,
forceLogin: formData.get(FORCE_LOGIN_FIELD) === '1',
});
if (outcome.status === 'failure') {
return { error: outcome.message };
}
if (outcome.status === 'duplicate') {
return { duplicate: outcome.notice };
}
await createSession({
userId: outcome.admin.id,
loginId: outcome.admin.loginId,
userNm: outcome.admin.name,
roleId: outcome.admin.roleCode,
accessToken: outcome.accessToken,
refreshToken: outcome.refreshToken,
exp: outcome.accessTokenExpiresAt,
});
revalidatePath('/', 'layout');
redirect('/');
}