adminforth/adminforth/index.ts at completion-adapter-interface · devforth/adminforth · GitHub

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import AdminForthAuth from './auth.js';

import MongoConnector from './dataConnectors/mongo.js';

import PostgresConnector from './dataConnectors/postgres.js';

import SQLiteConnector from './dataConnectors/sqlite.js';

import CodeInjector from './modules/codeInjector.js';

import ExpressServer from './servers/express.js';

// import FastifyServer from './servers/fastify.js';

import { ADMINFORTH_VERSION, listify, suggestIfTypo, RateLimiter, getClientIp } from './modules/utils.js';

import {

type AdminForthConfig,

type IAdminForth,

type IConfigValidator,

type AdminForthResourceColumn,

IOperationalResource,

IHttpServer,

BeforeSaveFunction,

AfterSaveFunction,

AdminForthResource,

IAdminForthDataSourceConnectorBase,

IWebSocketBroker,

HttpExtra,

} from './types/Back.js';

import {

AdminForthFilterOperators,

AdminForthDataTypes,

AdminUser,

} from './types/Common.js';

import AdminForthPlugin from './basePlugin.js';

import ConfigValidator from './modules/configValidator.js';

import AdminForthRestAPI, { interpretResource } from './modules/restApi.js';

import ClickhouseConnector from './dataConnectors/clickhouse.js';

import OperationalResource from './modules/operationalResource.js';

import SocketBroker from './modules/socketBroker.js';

// exports

export * from './types/Back.js';

export * from './types/Common.js';

export * from './types/Adapters.js';

export { interpretResource };

export { AdminForthPlugin };

export { suggestIfTypo, RateLimiter, getClientIp };

class AdminForth implements IAdminForth {

static Types = AdminForthDataTypes;

static Utils = {

generatePasswordHash: async (password) => {

return await AdminForthAuth.generatePasswordHash(password);

PASSWORD_VALIDATORS: {

UP_LOW_NUM_SPECIAL: {

regExp: '^(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[!@#\\$%\\^&\\*\$\$\\-_=\\+\\[\\]\\{\\}\\|;:\',\\.<>\\/\\?]).+$',

message: 'Password must include at least one uppercase letter, one lowercase letter, one number, and one special character'

UP_LOW_NUM: {

regExp: '^(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9]).+$',

message: 'Password must include at least one uppercase letter, one lowercase letter, and one number'

EMAIL_VALIDATOR: {

regExp: '^[a-z0-9._%+-]+@[a-z0-9.-]+\\.[a-z]{2,}$',

message: 'Email is not valid, must be in format example@test.com',

}

config: AdminForthConfig;

express: ExpressServer;

// fastify: FastifyServer;

auth: AdminForthAuth;

codeInjector: CodeInjector;

connectors: {

[dataSourceId: string]: IAdminForthDataSourceConnectorBase,

};

connectorClasses: any;

runningHotReload: boolean;

activatedPlugins: Array<AdminForthPlugin>;

configValidator: IConfigValidator;

restApi: AdminForthRestAPI;

websocket: IWebSocketBroker;

operationalResources: {

[resourceId: string]: IOperationalResource,

}

statuses: {

dbDiscover: 'running' | 'done',

}

constructor(config: AdminForthConfig) {

this.codeInjector = new CodeInjector(this);

this.configValidator = new ConfigValidator(this, config);

this.restApi = new AdminForthRestAPI(this);

this.websocket = new SocketBroker(this);

this.activatedPlugins = [];

this.configValidator.validateConfig();

this.activatePlugins();

this.express = new ExpressServer(this);

// this.fastify = new FastifyServer(this);

this.auth = new AdminForthAuth(this);

this.connectors = {};

this.statuses = {

dbDiscover: 'running',

};

console.log(`🚀 AdminForth v${ADMINFORTH_VERSION} starting up`)

}

activatePlugins() {

process.env.HEAVY_DEBUG && console.log('🔌🔌🔌 Activating plugins');

const allPluginInstances = [];

for (let resource of this.config.resources) {

for (let pluginInstance of resource.plugins || []) {

allPluginInstances.push({pi: pluginInstance, resource});

}

allPluginInstances.sort(({pi: a}, {pi: b}) => a.activationOrder - b.activationOrder);

allPluginInstances.forEach(

({pi: pluginInstance, resource}) => {

pluginInstance.modifyResourceConfig(this, resource);

const plugin = this.activatedPlugins.find((p) => p.pluginInstanceId === pluginInstance.pluginInstanceId);

if (plugin) {

process.env.HEAVY_DEBUG && console.log(`Current plugin pluginInstance.pluginInstanceId ${pluginInstance.pluginInstanceId}`);

throw new Error(`Attempt to activate Plugin ${pluginInstance.constructor.name} second time for same resource, but plugin does not support it.

To support multiple plugin instance pre one resource, plugin should return unique string values for each installation from instanceUniqueRepresentation`);

}

this.activatedPlugins.push(pluginInstance);

}

);

}

getPluginsByClassName<T>(className: string): T[] {

const plugins = this.activatedPlugins.filter((plugin) => plugin.className === className);

return plugins as T[];

}

getPluginByClassName<T>(className: string): T {

const plugins = this.getPluginsByClassName(className);

if (plugins.length > 1) {

throw new Error(`Multiple plugins with className ${className} found. Use getPluginsByClassName instead`);

}

if (plugins.length === 0) {

const similar = suggestIfTypo(this.activatedPlugins.map((p) => p.className), className);

throw new Error(`Plugin with className ${className} not found. ${similar ? `Did you mean ${similar}?` : ''}`);

}

return plugins[0] as T;

}

validateFieldGroups(fieldGroups: {

groupName: string;

columns: string[];

}[], fieldTypes: {

[key: string]: AdminForthResourceColumn;

}): void {

if (!fieldGroups) return;

const allColumns = Object.keys(fieldTypes);

fieldGroups.forEach((group) => {

group.columns.forEach((col) => {

if (!allColumns.includes(col)) {

const similar = suggestIfTypo(allColumns, col);

throw new Error(

`Group '${group.groupName}' has an unknown column '${col}'. ${

similar ? `Did you mean '${similar}'?` : ''

);

}

});

}

async discoverDatabases() {

this.statuses.dbDiscover = 'running';

this.connectorClasses = {

'sqlite': SQLiteConnector,

'postgres': PostgresConnector,

'postgresql': PostgresConnector,

'mongodb': MongoConnector,

'clickhouse': ClickhouseConnector,

};

if (!this.config.databaseConnectors) {

this.config.databaseConnectors = {...this.connectorClasses};

}

this.config.dataSources.forEach((ds) => {

const dbType = ds.url.split(':')[0];

if (!this.config.databaseConnectors[dbType]) {

throw new Error(`Database type '${dbType}' is not supported, consider using one of ${Object.keys(this.connectorClasses).join(', ')} or create your own data-source connector`);

}

this.connectors[ds.id] = new this.config.databaseConnectors[dbType]({url: ds.url});

});

await Promise.all(this.config.resources.map(async (res) => {

if (!this.connectors[res.dataSource]) {

const similar = suggestIfTypo(Object.keys(this.connectors), res.dataSource);

throw new Error(`Resource '${res.table}' refers to unknown dataSource '${res.dataSource}' ${similar

? `. Did you mean '${similar}'?` : 'Available dataSources: '+Object.keys(this.connectors).join(', ')}`

);

}

const fieldTypes = await this.connectors[res.dataSource].discoverFields(res);

if (fieldTypes !== null && !Object.keys(fieldTypes).length) {

throw new Error(`Table '${res.table}' (In resource '${res.resourceId}') has no fields or does not exist`);

}

if (fieldTypes === null) {

console.error(`⛔ DataSource ${res.dataSource} was not able to perform field discovery. It will not work properly`);

return;

}

if (!res.columns) {

res.columns = Object.keys(fieldTypes).map((name) => ({ name }));

}

res.columns.forEach((col, i) => {

if (!fieldTypes[col.name] && !col.virtual) {

const similar = suggestIfTypo(Object.keys(fieldTypes), col.name);

throw new Error(`Resource '${res.table}' has no column '${col.name}'. ${similar ? `Did you mean '${similar}'?` : ''}`);

}

// first find discovered values, but allow override

res.columns[i] = { ...fieldTypes[col.name], ...col };

});

this.validateFieldGroups(res.options.fieldGroups, fieldTypes);

this.validateFieldGroups(res.options.showFieldGroups, fieldTypes);

this.validateFieldGroups(res.options.createFieldGroups, fieldTypes);

this.validateFieldGroups(res.options.editFieldGroups, fieldTypes);

this.configValidator.postProcessAfterDiscover(res);

// check if primaryKey column is present

if (!res.columns.some((col) => col.primaryKey)) {

throw new Error(`Resource '${res.table}' has no column defined or auto-discovered. Please set 'primaryKey: true' in a columns which has unique value for each record and index`);

}

}));

this.statuses.dbDiscover = 'done';

this.operationalResources = {};

this.config.resources.forEach((resource) => {

this.operationalResources[resource.resourceId] = new OperationalResource(this.connectors[resource.dataSource], resource);

});

// console.log('⚙️⚙️⚙️ Database discovery done', JSON.stringify(this.config.resources, null, 2));

}

async bundleNow({ hotReload=false }) {

await this.codeInjector.bundleNow({ hotReload });

}

async getUserByPk(pk: string) {

// if database discovery is not done, throw

if (this.statuses.dbDiscover !== 'done') {

if (this.statuses.dbDiscover === 'running') {

throw new Error('Database discovery is running. You can\'t use data API while database discovery is not finished.\n'+

'Consider moving your code to a place where it will be executed after database discovery is already done (after await admin.discoverDatabases())');

}

throw new Error('Database discovery is not yet started. You can\'t use data API before database discovery is done. \n'+

'Call admin.discoverDatabases() first and await it before using data API');

}

const resource = this.config.resources.find((res) => res.resourceId === this.config.auth.usersResourceId);

if (!resource) {

const similar = suggestIfTypo(this.config.resources.map((res) => res.resourceId), this.config.auth.usersResourceId);

throw new Error(`No resource with ${this.config.auth.usersResourceId} found. ${similar ?

`Did you mean '${similar}' in config.auth.usersResourceId?` : 'Please set correct resource in config.auth.usersResourceId'}`

);

}

const users = await this.connectors[resource.dataSource].getData({

resource,

filters: [

{ field: resource.columns.find((col) => col.primaryKey).name, operator: AdminForthFilterOperators.EQ, value: pk },

limit: 1,

offset: 0,

sort: [],

});

return users.data[0] || null;

}

async createResourceRecord(

{ resource, record, adminUser, extra }:

{ resource: AdminForthResource, record: any, adminUser: AdminUser, extra?: HttpExtra }

): Promise<{ error?: string, createdRecord?: any }> {

// execute hook if needed

for (const hook of listify(resource.hooks?.create?.beforeSave as BeforeSaveFunction[])) {

const resp = await hook({

recordId: undefined,

resource,

record,

adminUser,

adminforth: this,

extra,

});

if (!resp || (!resp.ok && !resp.error)) {

throw new Error(`Hook beforeSave must return object with {ok: true} or { error: 'Error' } `);

}

if (resp.error) {

return { error: resp.error };

}

// remove virtual columns from record

for (const column of resource.columns.filter((col) => col.virtual)) {

if (record[column.name]) {

delete record[column.name];

}

const connector = this.connectors[resource.dataSource];

process.env.HEAVY_DEBUG && console.log('🪲🆕 creating record createResourceRecord', record);

const { error, createdRecord } = await connector.createRecord({ resource, record, adminUser });

if ( error ) {

return { error };

}

const primaryKey = record[resource.columns.find((col) => col.primaryKey).name];

// execute hook if needed

for (const hook of listify(resource.hooks?.create?.afterSave as AfterSaveFunction[])) {

process.env.HEAVY_DEBUG && console.log('🪲 Hook afterSave', hook);

const resp = await hook({

recordId: primaryKey,

resource,

record: createdRecord,

adminUser,

adminforth: this,

extra,

});

if (!resp || (!resp.ok && !resp.error)) {

throw new Error(`Hook afterSave must return object with {ok: true} or { error: 'Error' } `);

}

if (resp.error) {

return { error: resp.error };

}

return { error, createdRecord };

}

/**

* record is partial record with only changed fields

async updateResourceRecord(

{ resource, recordId, record, oldRecord, adminUser, extra }:

{ resource: AdminForthResource, recordId: any, record: any, oldRecord: any, adminUser: AdminUser, extra?: HttpExtra }

): Promise<{ error?: string }> {

// execute hook if needed

for (const hook of listify(resource.hooks?.edit?.beforeSave as BeforeSaveFunction[])) {

const resp = await hook({

recordId,

resource,

record,

oldRecord,

adminUser,

adminforth: this,

extra,

});

if (!resp || (!resp.ok && !resp.error)) {

throw new Error(`Hook beforeSave must return object with {ok: true} or { error: 'Error' } `);

}

if (resp.error) {

return { error: resp.error };

}

const newValues = {};

const connector = this.connectors[resource.dataSource];

for (const recordField in record) {

if (record[recordField] !== oldRecord[recordField]) {

// leave only changed fields to reduce data transfer/modifications in db

const column = resource.columns.find((col) => col.name === recordField);

if (!column || !column.virtual) {

// exclude virtual columns

newValues[recordField] = record[recordField];

}

if (Object.keys(newValues).length > 0) {

await connector.updateRecord({ resource, recordId, newValues });

}

// execute hook if needed

for (const hook of listify(resource.hooks?.edit?.afterSave as AfterSaveFunction[])) {

const resp = await hook({

resource,

record,

adminUser,

oldRecord,

recordId,

adminforth: this,

extra,

});

if (!resp || (!resp.ok && !resp.error)) {

throw new Error(`Hook afterSave must return object with {ok: true} or { error: 'Error' } `);

}

if (resp.error) {

return { error: resp.error };

}

return { error: null };

}

async deleteResourceRecord(

{ resource, recordId, adminUser, record, extra }:

{ resource: AdminForthResource, recordId: any, adminUser: AdminUser, record: any, extra?: HttpExtra }

): Promise<{ error?: string }> {

// execute hook if needed

for (const hook of listify(resource.hooks?.delete?.beforeSave as BeforeSaveFunction[])) {

const resp = await hook({

resource,

record,

adminUser,

recordId,

adminforth: this,

extra,

});

if (!resp || (!resp.ok && !resp.error)) {

throw new Error(`Hook beforeSave must return object with {ok: true} or { error: 'Error' } `);

}

if (resp.error) {

return { error: resp.error };

}

const connector = this.connectors[resource.dataSource];

await connector.deleteRecord({ resource, recordId});

// execute hook if needed

for (const hook of listify(resource.hooks?.delete?.afterSave as BeforeSaveFunction[])) {

const resp = await hook({

resource,

record,

adminUser,

recordId,

adminforth: this,

extra,

});

if (!resp || (!resp.ok && !resp.error)) {

throw new Error(`Hook afterSave must return object with {ok: true} or { error: 'Error' } `);

}

if (resp.error) {

return { error: resp.error };

}

return { error: null };

}

resource(resourceId: string): IOperationalResource {

if (this.statuses.dbDiscover !== 'done') {

if (this.statuses.dbDiscover === 'running') {

throw new Error('Database discovery is running. You can\'t use data API while database discovery is not finished.\n'+

'Consider moving your code to a place where it will be executed after database discovery is already done (after await admin.discoverDatabases())');

} else {

throw new Error('Database discovery is not yet started. You can\'t use data API before database discovery is done. \n'+

'Call admin.discoverDatabases() first and await it before using data API');

}

if (!this.operationalResources[resourceId]) {

const closeName = suggestIfTypo(Object.keys(this.operationalResources), resourceId);

throw new Error(`Resource with id '${resourceId}' not found${closeName ? `. Did you mean '${closeName}'?` : ''}`);

}

return this.operationalResources[resourceId];

}

setupEndpoints(server: IHttpServer) {

this.restApi.registerEndpoints(server);

}

export default AdminForth;

adminforth/adminforth/index.ts at completion-adapter-interface · devforth/adminforth · GitHub

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