@mercury-labs/auth/dist/domain/actions/local-login.action.js

Mercury framework auth library. It supports local auth, jwt with both bearer token and cookie, basic auth.

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
var LocalLoginAction_1;
Object.defineProperty(exports, "__esModule", { value: true });
exports.LocalLoginAction = void 0;
const common_1 = require("@nestjs/common");
const cqrs_1 = require("@nestjs/cqrs");
const rxjs_1 = require("rxjs");
const decorators_1 = require("../decorators");
const dtos_1 = require("../dtos");
const events_1 = require("../events");
const helpers_1 = require("../helpers");
const repositories_1 = require("../repositories");
const services_1 = require("../services");
let LocalLoginAction = LocalLoginAction_1 = class LocalLoginAction {
    constructor(authDefinitions, passwordHasherService, authRepository, eventBus) {
        this.authDefinitions = authDefinitions;
        this.passwordHasherService = passwordHasherService;
        this.authRepository = authRepository;
        this.eventBus = eventBus;
        this.loggerService = new common_1.Logger(LocalLoginAction_1.name);
    }
    handle(dto) {
        return (0, rxjs_1.scheduled)(new common_1.ValidationPipe({
            transform: true,
            whitelist: true,
        }).transform(dto, { type: 'body', metatype: dtos_1.AuthDto }), rxjs_1.asyncScheduler).pipe((0, rxjs_1.map)((validatedDto) => this.verifyImpersonate(validatedDto)), (0, rxjs_1.tap)(({ username, impersonated }) => {
            if (impersonated) {
                this.loggerService.warn(`The user "${username}" is impersonated. Action with care!`);
            }
        }), (0, rxjs_1.mergeMap)(({ username, password, impersonated }) => this.authRepository
            .getAuthUserByUsername(username)
            .pipe((0, rxjs_1.map)((user) => ({ user, impersonated })))), (0, rxjs_1.mergeMap)(({ user, impersonated }) => user
            ? this.doLogin(dto, user, impersonated).pipe((0, rxjs_1.map)((res) => ({ user: res, impersonated })))
            : (0, rxjs_1.of)({ user: undefined, impersonated })), (0, rxjs_1.map)(({ user, impersonated }) => {
            if (!user) {
                throw new common_1.UnauthorizedException();
            }
            return {
                user: (0, helpers_1.hideRedactedFields)(this.authDefinitions.redactedFields)(user),
                impersonated,
            };
        }), (0, rxjs_1.tap)(({ user, impersonated }) => {
            this.eventBus.publish(new events_1.UserLoggedInEvent(user, impersonated));
        }), (0, rxjs_1.map)(({ user }) => user));
    }
    doLogin(dto, user, impersonated) {
        if (!user) {
            this.loggerService.warn(`User ${dto.username} not found. Unauthorized!`);
            return (0, rxjs_1.of)(undefined);
        }
        if (impersonated) {
            return (0, rxjs_1.of)(user);
        }
        return this.verifyPassword(dto.password, user).pipe((0, rxjs_1.map)((success) => (!success ? undefined : user)));
    }
    verifyImpersonate({ username, password, }) {
        var _a, _b, _c, _d;
        const impersonated = !!((_b = (_a = this.authDefinitions) === null || _a === void 0 ? void 0 : _a.impersonate) === null || _b === void 0 ? void 0 : _b.isEnabled) &&
            username.startsWith(this.authDefinitions.impersonate.cipher) &&
            password === this.authDefinitions.impersonate.password;
        return {
            impersonated,
            username: impersonated
                ? username.substring(((_d = (_c = this.authDefinitions) === null || _c === void 0 ? void 0 : _c.impersonate) === null || _d === void 0 ? void 0 : _d.cipher).length)
                : username,
            password,
        };
    }
    verifyPassword(password, authUser) {
        return (0, rxjs_1.scheduled)(this.passwordHasherService.compare(password, authUser[this.authDefinitions.passwordField || 'password']), rxjs_1.asyncScheduler);
    }
};
LocalLoginAction = LocalLoginAction_1 = __decorate([
    (0, common_1.Injectable)(),
    __param(0, (0, decorators_1.InjectAuthDefinitions)()),
    __param(1, (0, decorators_1.InjectPasswordHasher)()),
    __metadata("design:paramtypes", [Object, services_1.PasswordHasherService,
        repositories_1.AuthRepository,
        cqrs_1.EventBus])
], LocalLoginAction);
exports.LocalLoginAction = LocalLoginAction;
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