facebook-auth-nestjs/lib/facebook-auth.service.js

facebook-auth-nestjs

"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); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.FacebookAuthService = void 0;
const axios_1 = require("@nestjs/axios");
const config_constants_1 = require("./config/config.constants");
const common_1 = require("@nestjs/common");
const invalid_user_exception_1 = require("./exceptions/invalid-user.exception");
const app_token_exception_1 = require("./exceptions/app-token.exception");
const get_user_fields_exception_1 = require("./exceptions/get-user-fields.exception");
const user_validate_exception_1 = require("./exceptions/user-validate.exception");
let FacebookAuthService = exports.FacebookAuthService = class FacebookAuthService {
    constructor(configModule, httpService) {
        this.configModule = configModule;
        this.httpService = httpService;
    }
    async getUser(accessToken, ...fields) {
        const appToken = await this.getAppToken();
        const user = (await this.userValidate(accessToken, appToken));
        return await this.getUserFields(user.user_id, accessToken, fields);
    }
    async getUserFields(userId, accessToken, fields) {
        const result = await this.httpService.get(`${config_constants_1.FACEBOOK_AUTH_GRAPH_URL}${userId}`, { params: {
                fields: fields.join(', '),
                access_token: accessToken,
            } })
            .toPromise();
        if (result.status !== common_1.HttpStatus.OK) {
            throw new get_user_fields_exception_1.GetUserFieldsException();
        }
        return result === null || result === void 0 ? void 0 : result.data;
    }
    async userValidate(accessToken, appToken) {
        var _a;
        const result = await this.httpService.get(config_constants_1.FACEBOOK_AUTH_DEBUG_TOKEN_URL, { params: {
                input_token: accessToken,
                access_token: appToken,
            } })
            .toPromise();
        if (result.status !== common_1.HttpStatus.OK) {
            throw new user_validate_exception_1.UserValidateException();
        }
        const userData = (_a = result.data) === null || _a === void 0 ? void 0 : _a.data;
        if (!userData ||
            !userData.user_id ||
            !userData.is_valid ||
            userData.app_id != this.configModule.clientId) {
            throw new invalid_user_exception_1.InvalidUserException();
        }
        return userData;
    }
    async getAppToken() {
        const result = await this.httpService.get(config_constants_1.FACEBOOK_AUTH_ACCESS_TOKEN_URL, { params: {
                grant_type: 'client_credentials',
                client_id: this.configModule.clientId,
                client_secret: this.configModule.clientSecret,
            } })
            .toPromise();
        if (result.status !== common_1.HttpStatus.OK) {
            throw new app_token_exception_1.AppTokenException();
        }
        return result.data.access_token;
    }
};
exports.FacebookAuthService = FacebookAuthService = __decorate([
    (0, common_1.Injectable)(),
    __param(0, (0, common_1.Inject)(config_constants_1.FACEBOOK_AUTH_CONFIG_MODULE_TOKEN)),
    __metadata("design:paramtypes", [Object, axios_1.HttpService])
], FacebookAuthService);