@nest-mods/auth/src/auth.module.ts

/*
 * MIT License
 *
 * Copyright (c) 2019 nest-mods
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import {DynamicModule, Global, LoggerService, Module} from '@nestjs/common';
import * as _ from 'lodash';
import {APP_GUARD} from '@nestjs/core';
import {AuthJwtGuard} from './guard/auth-jwt.guard';
import {AuthBasicGuard} from './guard/auth-basic.guard';
import {AuthModuleAsyncOptions, AuthModuleOptions} from './interfaces';
import {AuthController} from './controller/auth.controller';
import {RoleAclGuard} from './guard/role-acl.guard';
import {AUTH_MODULE_OPTIONS, AuthActionType} from './constants';
import {Log} from '@nest-mods/log';
import {UserDetailService} from './service/user-detail.service';
import {JwtStrategy} from './strategy/jwt.strategy';
import {BasicStrategy} from './strategy/basic.strategy';
import {AuthService} from './service/auth.service';

const defaultAuthConfig: Partial<AuthModuleOptions> = {
    useJwt: true,
    useBasic: true,
    useACL: true,
    basicAuth: {
        defaultAuthAction: AuthActionType.TRY,
    },
    jwtAuth: {
        defaultAuthAction: AuthActionType.TRY,
        queryTokenKey: 'token',
        secret: 'DEFAULT_PASSWORD',
        signOptions: {
            expiresIn: '7d',
            audience: 'demo',
            issuer: 'demo',
        },
    },
};

@Global()
@Module({
    providers: [AuthService, JwtStrategy, BasicStrategy, {
        provide: APP_GUARD,
        useClass: AuthBasicGuard,
    }, {
        provide: APP_GUARD,
        useClass: AuthJwtGuard,
    }, {
        provide: APP_GUARD,
        useClass: RoleAclGuard,
    }],
    exports: [AuthService],
})
export class AuthModule {
    @Log() private static logger: LoggerService;

    static forRootAsync(options: AuthModuleAsyncOptions): DynamicModule {
        return {
            module: AuthModule,
            imports: options.imports,
            providers: [{
                provide: AUTH_MODULE_OPTIONS,
                inject: options.inject,
                useFactory: async (...args) => {
                    const opts = await options.useFactory(...args);
                    return _.defaultsDeep(opts, defaultAuthConfig);
                },
            }, {
                provide: UserDetailService,
                useClass: options.UserDetailService,
            }],
            controllers: options.enabledController ? [AuthController] : [],
        };
    }
}