UNPKG

israeli-bank-scrapers

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Provide scrapers for all major Israeli banks and credit card companies

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.LoginResults = exports.BaseScraperWithBrowser = void 0; var _puppeteer = _interopRequireDefault(require("puppeteer")); var _definitions = require("../definitions"); var _debug = require("../helpers/debug"); var _elementsInteractions = require("../helpers/elements-interactions"); var _navigation = require("../helpers/navigation"); var _baseScraper = require("./base-scraper"); var _errors = require("./errors"); function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; } const debug = (0, _debug.getDebug)('base-scraper-with-browser'); var LoginBaseResults = /*#__PURE__*/function (LoginBaseResults) { LoginBaseResults["Success"] = "SUCCESS"; LoginBaseResults["UnknownError"] = "UNKNOWN_ERROR"; return LoginBaseResults; }(LoginBaseResults || {}); const { Timeout, Generic, General, ...rest } = _errors.ScraperErrorTypes; const LoginResults = exports.LoginResults = { ...rest, ...LoginBaseResults }; // eslint-disable-next-line @typescript-eslint/no-redeclare async function getKeyByValue(object, value, page) { const keys = Object.keys(object); for (const key of keys) { // @ts-ignore const conditions = object[key]; for (const condition of conditions) { let result = false; if (condition instanceof RegExp) { result = condition.test(value); } else if (typeof condition === 'function') { result = await condition({ page, value }); } else { result = value.toLowerCase() === condition.toLowerCase(); } if (result) { // @ts-ignore return Promise.resolve(key); } } } return Promise.resolve(LoginResults.UnknownError); } function createGeneralError() { return { success: false, errorType: _errors.ScraperErrorTypes.General }; } class BaseScraperWithBrowser extends _baseScraper.BaseScraper { cleanups = []; defaultViewportSize = { width: 1024, height: 768 }; // NOTICE - it is discouraged to use bang (!) in general. It is used here because // all the classes that inherit from this base assume is it mandatory. getViewPort() { return this.options.viewportSize ?? this.defaultViewportSize; } async initialize() { await super.initialize(); debug('initialize scraper'); this.emitProgress(_definitions.ScraperProgressTypes.Initializing); const page = await this.initializePage(); await page.setCacheEnabled(false); // Clear cache and avoid 300's response status if (!page) { debug('failed to initiate a browser page, exit'); return; } this.page = page; this.cleanups.push(() => page.close()); if (this.options.defaultTimeout) { this.page.setDefaultTimeout(this.options.defaultTimeout); } if (this.options.preparePage) { debug("execute 'preparePage' interceptor provided in options"); await this.options.preparePage(this.page); } const viewport = this.getViewPort(); debug(`set viewport to width ${viewport.width}, height ${viewport.height}`); await this.page.setViewport({ width: viewport.width, height: viewport.height }); this.page.on('requestfailed', request => { debug('Request failed: %s %s', request.failure()?.errorText, request.url()); }); } async initializePage() { debug('initialize browser page'); if ('browserContext' in this.options) { debug('Using the browser context provided in options'); return this.options.browserContext.newPage(); } if ('browser' in this.options) { debug('Using the browser instance provided in options'); const { browser } = this.options; /** * For backward compatibility, we will close the browser even if we didn't create it */ if (!this.options.skipCloseBrowser) { this.cleanups.push(async () => { debug('closing the browser'); await browser.close(); }); } return browser.newPage(); } const { timeout, args, executablePath, showBrowser } = this.options; const headless = !showBrowser; debug(`launch a browser with headless mode = ${headless}`); const browser = await _puppeteer.default.launch({ env: this.options.verbose ? { DEBUG: '*', ...process.env } : undefined, headless, executablePath, args, timeout }); this.cleanups.push(async () => { debug('closing the browser'); await browser.close(); }); if (this.options.prepareBrowser) { debug("execute 'prepareBrowser' interceptor provided in options"); await this.options.prepareBrowser(browser); } debug('create a new browser page'); return browser.newPage(); } async navigateTo(url, waitUntil = 'load', retries = this.options.navigationRetryCount ?? 0) { const response = await this.page?.goto(url, { waitUntil }); if (response === null) { // note: response will be null when navigating to same url while changing the hash part. // the condition below will always accept null as valid result. return; } if (!response) { throw new Error(`Error while trying to navigate to url ${url}, response is undefined`); } if (!response.ok()) { const status = response.status(); if (retries > 0) { debug(`Failed to navigate to url ${url}, status code: ${status}, retrying ${retries} more times`); await this.navigateTo(url, waitUntil, retries - 1); } else { throw new Error(`Failed to navigate to url ${url}, status code: ${status}`); } } } // eslint-disable-next-line @typescript-eslint/no-unused-vars getLoginOptions(_credentials) { throw new Error(`getLoginOptions() is not created in ${this.options.companyId}`); } async fillInputs(pageOrFrame, fields) { const modified = [...fields]; const input = modified.shift(); if (!input) { return; } await (0, _elementsInteractions.fillInput)(pageOrFrame, input.selector, input.value); if (modified.length) { await this.fillInputs(pageOrFrame, modified); } } async login(credentials) { if (!credentials || !this.page) { return createGeneralError(); } debug('execute login process'); const loginOptions = this.getLoginOptions(credentials); if (loginOptions.userAgent) { debug('set custom user agent provided in options'); await this.page.setUserAgent(loginOptions.userAgent); } debug('navigate to login url'); await this.navigateTo(loginOptions.loginUrl, loginOptions.waitUntil); if (loginOptions.checkReadiness) { debug("execute 'checkReadiness' interceptor provided in login options"); await loginOptions.checkReadiness(); } else if (typeof loginOptions.submitButtonSelector === 'string') { debug('wait until submit button is available'); await (0, _elementsInteractions.waitUntilElementFound)(this.page, loginOptions.submitButtonSelector); } let loginFrameOrPage = this.page; if (loginOptions.preAction) { debug("execute 'preAction' interceptor provided in login options"); loginFrameOrPage = (await loginOptions.preAction()) || this.page; } debug('fill login components input with relevant values'); await this.fillInputs(loginFrameOrPage, loginOptions.fields); debug('click on login submit button'); if (typeof loginOptions.submitButtonSelector === 'string') { await (0, _elementsInteractions.clickButton)(loginFrameOrPage, loginOptions.submitButtonSelector); } else { await loginOptions.submitButtonSelector(); } this.emitProgress(_definitions.ScraperProgressTypes.LoggingIn); if (loginOptions.postAction) { debug("execute 'postAction' interceptor provided in login options"); await loginOptions.postAction(); } else { debug('wait for page navigation'); await (0, _navigation.waitForNavigation)(this.page); } debug('check login result'); const current = await (0, _navigation.getCurrentUrl)(this.page, true); const loginResult = await getKeyByValue(loginOptions.possibleResults, current, this.page); debug(`handle login results ${loginResult}`); return this.handleLoginResult(loginResult); } async terminate(_success) { debug(`terminating browser with success = ${_success}`); this.emitProgress(_definitions.ScraperProgressTypes.Terminating); if (!_success && !!this.options.storeFailureScreenShotPath) { debug(`create a snapshot before terminated in ${this.options.storeFailureScreenShotPath}`); await this.page.screenshot({ path: this.options.storeFailureScreenShotPath, fullPage: true }); } await Promise.all(this.cleanups.reverse().map(cleanup => cleanup())); this.cleanups = []; } handleLoginResult(loginResult) { switch (loginResult) { case LoginResults.Success: this.emitProgress(_definitions.ScraperProgressTypes.LoginSuccess); return { success: true }; case LoginResults.InvalidPassword: case LoginResults.UnknownError: this.emitProgress(_definitions.ScraperProgressTypes.LoginFailed); return { success: false, errorType: loginResult === LoginResults.InvalidPassword ? _errors.ScraperErrorTypes.InvalidPassword : _errors.ScraperErrorTypes.General, errorMessage: `Login failed with ${loginResult} error` }; case LoginResults.ChangePassword: this.emitProgress(_definitions.ScraperProgressTypes.ChangePassword); return { success: false, errorType: _errors.ScraperErrorTypes.ChangePassword }; default: throw new Error(`unexpected login result "${loginResult}"`); } } } exports.BaseScraperWithBrowser = BaseScraperWithBrowser; //# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"names":["_puppeteer","_interopRequireDefault","require","_definitions","_debug","_elementsInteractions","_navigation","_baseScraper","_errors","e","__esModule","default","debug","getDebug","LoginBaseResults","Timeout","Generic","General","rest","ScraperErrorTypes","LoginResults","exports","getKeyByValue","object","value","page","keys","Object","key","conditions","condition","result","RegExp","test","toLowerCase","Promise","resolve","UnknownError","createGeneralError","success","errorType","BaseScraperWithBrowser","BaseScraper","cleanups","defaultViewportSize","width","height","getViewPort","options","viewportSize","initialize","emitProgress","ScraperProgressTypes","Initializing","initializePage","setCacheEnabled","push","close","defaultTimeout","setDefaultTimeout","preparePage","viewport","setViewport","on","request","failure","errorText","url","browserContext","newPage","browser","skipCloseBrowser","timeout","args","executablePath","showBrowser","headless","puppeteer","launch","env","verbose","DEBUG","process","undefined","prepareBrowser","navigateTo","waitUntil","retries","navigationRetryCount","response","goto","Error","ok","status","getLoginOptions","_credentials","companyId","fillInputs","pageOrFrame","fields","modified","input","shift","fillInput","selector","length","login","credentials","loginOptions","userAgent","setUserAgent","loginUrl","checkReadiness","submitButtonSelector","waitUntilElementFound","loginFrameOrPage","preAction","clickButton","LoggingIn","postAction","waitForNavigation","current","getCurrentUrl","loginResult","possibleResults","handleLoginResult","terminate","_success","Terminating","storeFailureScreenShotPath","screenshot","path","fullPage","all","reverse","map","cleanup","Success","LoginSuccess","InvalidPassword","LoginFailed","errorMessage","ChangePassword"],"sources":["../../src/scrapers/base-scraper-with-browser.ts"],"sourcesContent":["import puppeteer, { type Frame, type Page, type PuppeteerLifeCycleEvent } from 'puppeteer';\nimport { ScraperProgressTypes } from '../definitions';\nimport { getDebug } from '../helpers/debug';\nimport { clickButton, fillInput, waitUntilElementFound } from '../helpers/elements-interactions';\nimport { getCurrentUrl, waitForNavigation } from '../helpers/navigation';\nimport { BaseScraper } from './base-scraper';\nimport { ScraperErrorTypes } from './errors';\nimport { type ScraperCredentials, type ScraperScrapingResult } from './interface';\n\nconst debug = getDebug('base-scraper-with-browser');\n\nenum LoginBaseResults {\n  Success = 'SUCCESS',\n  UnknownError = 'UNKNOWN_ERROR',\n}\n\nconst { Timeout, Generic, General, ...rest } = ScraperErrorTypes;\nexport const LoginResults = {\n  ...rest,\n  ...LoginBaseResults,\n};\n\n// eslint-disable-next-line @typescript-eslint/no-redeclare\nexport type LoginResults =\n  | Exclude<ScraperErrorTypes, ScraperErrorTypes.Timeout | ScraperErrorTypes.Generic | ScraperErrorTypes.General>\n  | LoginBaseResults;\n\nexport type PossibleLoginResults = {\n  [key in LoginResults]?: (string | RegExp | ((options?: { page?: Page }) => Promise<boolean>))[];\n};\n\nexport interface LoginOptions {\n  loginUrl: string;\n  checkReadiness?: () => Promise<void>;\n  fields: { selector: string; value: string }[];\n  submitButtonSelector: string | (() => Promise<void>);\n  preAction?: () => Promise<Frame | void>;\n  postAction?: () => Promise<void>;\n  possibleResults: PossibleLoginResults;\n  userAgent?: string;\n  waitUntil?: PuppeteerLifeCycleEvent;\n}\n\nasync function getKeyByValue(object: PossibleLoginResults, value: string, page: Page): Promise<LoginResults> {\n  const keys = Object.keys(object);\n  for (const key of keys) {\n    // @ts-ignore\n    const conditions = object[key];\n\n    for (const condition of conditions) {\n      let result = false;\n\n      if (condition instanceof RegExp) {\n        result = condition.test(value);\n      } else if (typeof condition === 'function') {\n        result = await condition({ page, value });\n      } else {\n        result = value.toLowerCase() === condition.toLowerCase();\n      }\n\n      if (result) {\n        // @ts-ignore\n        return Promise.resolve(key);\n      }\n    }\n  }\n\n  return Promise.resolve(LoginResults.UnknownError);\n}\n\nfunction createGeneralError(): ScraperScrapingResult {\n  return {\n    success: false,\n    errorType: ScraperErrorTypes.General,\n  };\n}\n\nclass BaseScraperWithBrowser<TCredentials extends ScraperCredentials> extends BaseScraper<TCredentials> {\n  private cleanups: Array<() => Promise<void>> = [];\n\n  private defaultViewportSize = {\n    width: 1024,\n    height: 768,\n  };\n\n  // NOTICE - it is discouraged to use bang (!) in general. It is used here because\n  // all the classes that inherit from this base assume is it mandatory.\n  protected page!: Page;\n\n  protected getViewPort() {\n    return this.options.viewportSize ?? this.defaultViewportSize;\n  }\n\n  async initialize() {\n    await super.initialize();\n    debug('initialize scraper');\n    this.emitProgress(ScraperProgressTypes.Initializing);\n\n    const page = await this.initializePage();\n    await page.setCacheEnabled(false); // Clear cache and avoid 300's response status\n\n    if (!page) {\n      debug('failed to initiate a browser page, exit');\n      return;\n    }\n\n    this.page = page;\n\n    this.cleanups.push(() => page.close());\n\n    if (this.options.defaultTimeout) {\n      this.page.setDefaultTimeout(this.options.defaultTimeout);\n    }\n\n    if (this.options.preparePage) {\n      debug(\"execute 'preparePage' interceptor provided in options\");\n      await this.options.preparePage(this.page);\n    }\n\n    const viewport = this.getViewPort();\n    debug(`set viewport to width ${viewport.width}, height ${viewport.height}`);\n    await this.page.setViewport({\n      width: viewport.width,\n      height: viewport.height,\n    });\n\n    this.page.on('requestfailed', request => {\n      debug('Request failed: %s %s', request.failure()?.errorText, request.url());\n    });\n  }\n\n  private async initializePage() {\n    debug('initialize browser page');\n    if ('browserContext' in this.options) {\n      debug('Using the browser context provided in options');\n      return this.options.browserContext.newPage();\n    }\n\n    if ('browser' in this.options) {\n      debug('Using the browser instance provided in options');\n      const { browser } = this.options;\n\n      /**\n       * For backward compatibility, we will close the browser even if we didn't create it\n       */\n      if (!this.options.skipCloseBrowser) {\n        this.cleanups.push(async () => {\n          debug('closing the browser');\n          await browser.close();\n        });\n      }\n\n      return browser.newPage();\n    }\n\n    const { timeout, args, executablePath, showBrowser } = this.options;\n\n    const headless = !showBrowser;\n    debug(`launch a browser with headless mode = ${headless}`);\n\n    const browser = await puppeteer.launch({\n      env: this.options.verbose ? { DEBUG: '*', ...process.env } : undefined,\n      headless,\n      executablePath,\n      args,\n      timeout,\n    });\n\n    this.cleanups.push(async () => {\n      debug('closing the browser');\n      await browser.close();\n    });\n\n    if (this.options.prepareBrowser) {\n      debug(\"execute 'prepareBrowser' interceptor provided in options\");\n      await this.options.prepareBrowser(browser);\n    }\n\n    debug('create a new browser page');\n    return browser.newPage();\n  }\n\n  async navigateTo(\n    url: string,\n    waitUntil: PuppeteerLifeCycleEvent | undefined = 'load',\n    retries = this.options.navigationRetryCount ?? 0,\n  ): Promise<void> {\n    const response = await this.page?.goto(url, { waitUntil });\n    if (response === null) {\n      // note: response will be null when navigating to same url while changing the hash part.\n      // the condition below will always accept null as valid result.\n      return;\n    }\n\n    if (!response) {\n      throw new Error(`Error while trying to navigate to url ${url}, response is undefined`);\n    }\n\n    if (!response.ok()) {\n      const status = response.status();\n      if (retries > 0) {\n        debug(`Failed to navigate to url ${url}, status code: ${status}, retrying ${retries} more times`);\n        await this.navigateTo(url, waitUntil, retries - 1);\n      } else {\n        throw new Error(`Failed to navigate to url ${url}, status code: ${status}`);\n      }\n    }\n  }\n\n  // eslint-disable-next-line @typescript-eslint/no-unused-vars\n  getLoginOptions(_credentials: ScraperCredentials): LoginOptions {\n    throw new Error(`getLoginOptions() is not created in ${this.options.companyId}`);\n  }\n\n  async fillInputs(pageOrFrame: Page | Frame, fields: { selector: string; value: string }[]): Promise<void> {\n    const modified = [...fields];\n    const input = modified.shift();\n\n    if (!input) {\n      return;\n    }\n    await fillInput(pageOrFrame, input.selector, input.value);\n    if (modified.length) {\n      await this.fillInputs(pageOrFrame, modified);\n    }\n  }\n\n  async login(credentials: ScraperCredentials): Promise<ScraperScrapingResult> {\n    if (!credentials || !this.page) {\n      return createGeneralError();\n    }\n\n    debug('execute login process');\n    const loginOptions = this.getLoginOptions(credentials);\n\n    if (loginOptions.userAgent) {\n      debug('set custom user agent provided in options');\n      await this.page.setUserAgent(loginOptions.userAgent);\n    }\n\n    debug('navigate to login url');\n    await this.navigateTo(loginOptions.loginUrl, loginOptions.waitUntil);\n    if (loginOptions.checkReadiness) {\n      debug(\"execute 'checkReadiness' interceptor provided in login options\");\n      await loginOptions.checkReadiness();\n    } else if (typeof loginOptions.submitButtonSelector === 'string') {\n      debug('wait until submit button is available');\n      await waitUntilElementFound(this.page, loginOptions.submitButtonSelector);\n    }\n\n    let loginFrameOrPage: Page | Frame | null = this.page;\n    if (loginOptions.preAction) {\n      debug(\"execute 'preAction' interceptor provided in login options\");\n      loginFrameOrPage = (await loginOptions.preAction()) || this.page;\n    }\n\n    debug('fill login components input with relevant values');\n    await this.fillInputs(loginFrameOrPage, loginOptions.fields);\n    debug('click on login submit button');\n    if (typeof loginOptions.submitButtonSelector === 'string') {\n      await clickButton(loginFrameOrPage, loginOptions.submitButtonSelector);\n    } else {\n      await loginOptions.submitButtonSelector();\n    }\n    this.emitProgress(ScraperProgressTypes.LoggingIn);\n\n    if (loginOptions.postAction) {\n      debug(\"execute 'postAction' interceptor provided in login options\");\n      await loginOptions.postAction();\n    } else {\n      debug('wait for page navigation');\n      await waitForNavigation(this.page);\n    }\n\n    debug('check login result');\n    const current = await getCurrentUrl(this.page, true);\n    const loginResult = await getKeyByValue(loginOptions.possibleResults, current, this.page);\n    debug(`handle login results ${loginResult}`);\n    return this.handleLoginResult(loginResult);\n  }\n\n  async terminate(_success: boolean) {\n    debug(`terminating browser with success = ${_success}`);\n    this.emitProgress(ScraperProgressTypes.Terminating);\n\n    if (!_success && !!this.options.storeFailureScreenShotPath) {\n      debug(`create a snapshot before terminated in ${this.options.storeFailureScreenShotPath}`);\n      await this.page.screenshot({\n        path: this.options.storeFailureScreenShotPath,\n        fullPage: true,\n      });\n    }\n\n    await Promise.all(this.cleanups.reverse().map(cleanup => cleanup()));\n    this.cleanups = [];\n  }\n\n  private handleLoginResult(loginResult: LoginResults) {\n    switch (loginResult) {\n      case LoginResults.Success:\n        this.emitProgress(ScraperProgressTypes.LoginSuccess);\n        return { success: true };\n      case LoginResults.InvalidPassword:\n      case LoginResults.UnknownError:\n        this.emitProgress(ScraperProgressTypes.LoginFailed);\n        return {\n          success: false,\n          errorType:\n            loginResult === LoginResults.InvalidPassword\n              ? ScraperErrorTypes.InvalidPassword\n              : ScraperErrorTypes.General,\n          errorMessage: `Login failed with ${loginResult} error`,\n        };\n      case LoginResults.ChangePassword:\n        this.emitProgress(ScraperProgressTypes.ChangePassword);\n        return {\n          success: false,\n          errorType: ScraperErrorTypes.ChangePassword,\n        };\n      default:\n        throw new Error(`unexpected login result \"${loginResult}\"`);\n    }\n  }\n}\n\nexport { BaseScraperWithBrowser 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