fix(basic.gblib): #282 Fix SSR for Bots 3.0.

packages/core.gbapp/services/GBLogEx.ts

@@ -36,39 +36,39 @@
 
 'use strict';
 
-import { GBLog, IGBInstance } from "botlib";
-import { GuaribasLog } from "../models/GBModel.js";
+import { GBLog, IGBInstance } from 'botlib';
+import { GuaribasLog } from '../models/GBModel.js';
 
 export class GBLogEx {
   public static async error(minOrInstanceId: any, message: string) {
-    GBLog.error(message);
     if (typeof minOrInstanceId === 'object') {
       minOrInstanceId = minOrInstanceId.instance.instanceId;
     }
+    GBLog.error(`${minOrInstanceId}: ${message}.`);
     await this.log(minOrInstanceId, 'e', message);
   }
 
   public static async debug(minOrInstanceId: any, message: string) {
-    GBLog.debug(message);
     if (typeof minOrInstanceId === 'object') {
       minOrInstanceId = minOrInstanceId.instance.instanceId;
     }
+    GBLog.debug(`${minOrInstanceId}: ${message}.`);
     await this.log(minOrInstanceId, 'd', message);
   }
 
-  public static async info(minOrInstanceId: any,  message: string) {
-    GBLog.info(message);
+  public static async info(minOrInstanceId: any, message: string) {
     if (typeof minOrInstanceId === 'object') {
       minOrInstanceId = minOrInstanceId.instance.instanceId;
     }
+    GBLog.info(`${minOrInstanceId}: ${message}.`);
     await this.log(minOrInstanceId, 'i', message);
   }
 
   public static async verbose(minOrInstanceId: any, message: string) {
-    GBLog.verbose(message);
     if (typeof minOrInstanceId === 'object') {
       minOrInstanceId = minOrInstanceId.instance.instanceId;
     }
+    GBLog.verbose(`${minOrInstanceId}: ${message}.`);
     await this.log(minOrInstanceId, 'v', message);
   }
 
@@ -76,9 +76,9 @@ export class GBLogEx {
    * Finds and update user agent information to a next available person.
    */
   public static async log(instance: IGBInstance, kind: string, message: string): Promise<GuaribasLog> {
-    message = message?message.substring(0,1023):null;
+    message = message ? message.substring(0, 1023) : null;
     return await GuaribasLog.create(<GuaribasLog>{
-      instanceId: instance.instanceId,
+      instanceId: instance ? instance.instanceId : 1,
       message: message,
       kind: kind
     });

packages/core.gbapp/services/GBMinService.ts

@@ -96,7 +96,7 @@ export class GBMinService {
   /**
    * Default General Bots User Interface package.
    */
-  private static uiPackage = 'default.gbui';
+  public static uiPackage = 'default.gbui';
 
   /**
    * Main core service attached to this bot service.
@@ -142,23 +142,11 @@ export class GBMinService {
     // Servers default UI on root address '/' if web enabled.
 
     if (process.env.DISABLE_WEB !== 'true') {
-      // SSR processing.
+      // SSR processing and default.gbui access definition.
 
-      const defaultOptions = {
-        prerender: [],
-        exclude: ['/api/', '/instances/', '/webhooks/'],
-        useCache: true,
-        cacheRefreshRate: 86400
-      };
-      // GBServer.globals.server.use(ssrForBots(defaultOptions));
-
-      const url = GBServer.globals.wwwroot
-        ? GBServer.globals.wwwroot
-        : urlJoin(GBDeployer.deployFolder, GBMinService.uiPackage, 'build');
-
-      // default.gbui access definition.
-
-      GBServer.globals.server.use('/', express.static(url));
+      GBServer.globals.server.get('/', async (req, res, next)=> {
+        await GBSSR.ssrFilter(req, res, next);
+      });
 
       // Servers the bot information object via HTTP so clients can get
       // instance information stored on server.
@@ -376,24 +364,22 @@ export class GBMinService {
 
     if (process.env.DISABLE_WEB !== 'true') {
       const uiUrl = `/${instance.botId}`;
-      let staticHandler = express.static(urlJoin(GBDeployer.deployFolder, GBMinService.uiPackage, 'build'));
-      
+     
       GBServer.globals.server.get(uiUrl, async (req, res, next)=> {
-        await GBSSR.ssrFilter(req, res, staticHandler as any);
+        await GBSSR.ssrFilter(req, res, next);
       });
       const uiUrlAlt = `/${instance.activationCode}`;
-      GBServer.globals.server.use(
-        uiUrlAlt,
-        express.static(urlJoin(GBDeployer.deployFolder, GBMinService.uiPackage, 'build'))
-      );
+      GBServer.globals.server.get(uiUrlAlt, async (req, res, next)=> {
+        await GBSSR.ssrFilter(req, res, next);
+      });
+
 
       const domain = min.core.getParam(min.instance, 'Domain', null);
       if (domain) {
-        GBServer.globals.server.use(
-          domain,
-          express.static(urlJoin(GBDeployer.deployFolder, GBMinService.uiPackage, 'build'))
-        );
-        GBLog.verbose(`Bot UI ${GBMinService.uiPackage} accessible at custom domain: ${domain}.`);
+        GBServer.globals.server.get(domain, async (req, res, next)=> {
+          await GBSSR.ssrFilter(req, res, next);
+        });
+          GBLog.verbose(`Bot UI ${GBMinService.uiPackage} accessible at custom domain: ${domain}.`);
       }
       GBLog.verbose(`Bot UI ${GBMinService.uiPackage} accessible at: ${uiUrl} and ${uiUrlAlt}.`);
     }
@@ -607,6 +593,7 @@ export class GBMinService {
    * Gets a Speech to Text / Text to Speech token from the provider.
    */
   private async getSTSToken(instance: any) {
+    return null; // TODO: https://github.com/GeneralBots/BotServer/issues/332
     const options = {
       method: 'POST',
       headers: {

packages/core.gbapp/services/GBSSR.ts

@@ -44,6 +44,9 @@ import { GBMinInstance } from 'botlib';
 import { GBServer } from '../../../src/app.js';
 import { GBLogEx } from './GBLogEx.js';
 import { createRequire } from 'module';
+import urlJoin from 'url-join';
+import { GBDeployer } from './GBDeployer.js';
+import { GBMinService } from './GBMinService.js';
 const require = createRequire(import.meta.url);
 const puppeteer = require('puppeteer-extra');
 const hidden = require('puppeteer-extra-plugin-stealth');
@@ -53,10 +56,19 @@ export class GBSSR {
   // https://hackernoon.com/tips-and-tricks-for-web-scraping-with-puppeteer-ed391a63d952
   // Dont download all resources, we just need the HTML
   // Also, this is huge performance/response time boost
-  private blockedResourceTypes = ['image', 'media', 'font', 'texttrack', 'object', 'beacon', 'csp_report', 'imageset'];
+  private static blockedResourceTypes = [
+    'image',
+    'media',
+    'font',
+    'texttrack',
+    'object',
+    'beacon',
+    'csp_report',
+    'imageset'
+  ];
 
   // const whitelist = ["document", "script", "xhr", "fetch"];
-  private skippedResources = [
+  private static skippedResources = [
     'quantserve',
     'adzerk',
     'doubleclick',
@@ -115,10 +127,11 @@ export class GBSSR {
   /**
    * Return the HTML of bot default.gbui.
    */
-  public async getHTML(min: GBMinInstance) {
+  public static async getHTML(min: GBMinInstance) {
     const url = urljoin(GBServer.globals.publicAddress, min.botId);
     const browser = await GBSSR.createBrowser(null);
     const stylesheetContents = {};
+    let html;
 
     try {
       const page = await browser.newPage();
@@ -129,8 +142,8 @@ export class GBSSR {
       page.on('request', request => {
         const requestUrl = request.url().split('?')[0].split('#')[0];
         if (
-          this.blockedResourceTypes.indexOf(request.resourceType()) !== -1 ||
-          this.skippedResources.some(resource => requestUrl.indexOf(resource) !== -1)
+          GBSSR.blockedResourceTypes.indexOf(request.resourceType()) !== -1 ||
+          GBSSR.skippedResources.some(resource => requestUrl.indexOf(resource) !== -1)
         ) {
           request.abort();
         } else {
@@ -147,6 +160,9 @@ export class GBSSR {
         }
       });
 
+      await page.setExtraHTTPHeaders({
+        'ngrok-skip-browser-warning': '1'
+      });
       const response = await page.goto(url, {
         timeout: 120000,
         waitUntil: 'networkidle0'
@@ -157,14 +173,15 @@ export class GBSSR {
           setTimeout(resolve, ms);
         });
       };
-      await sleep(45000);
+
+      await sleep(15000);
 
       // Inject <base> on page to relative resources load properly.
 
       await page.evaluate(url => {
         const base = document.createElement('base');
         base.href = url;
-        // Add to top of head, before all other resources.
+        // Add to top of head, beeeEEEfore all other resources.
         document.head.prepend(base);
       }, url);
 
@@ -194,19 +211,18 @@ export class GBSSR {
         stylesheetContents
       );
 
-      const html = await page.content();
+      html = await page.content();
 
       // Close the page we opened here (not the browser).
 
       await page.close();
-      return html;
     } catch (e) {
       const html = e.toString();
       GBLogEx.error(min, `URL: ${url} Failed with message: ${html}`);
-      return html;
     } finally {
       await browser.close();
     }
+    return html;
   }
 
   public static async ssrFilter(req: Request, res: Response, next) {
@@ -257,19 +273,34 @@ export class GBSSR {
 
     const botId = req.originalUrl ? req.originalUrl.substr(1) : GBServer.globals.minInstances[0].botId; // TODO: Get only bot.
     const min: GBMinInstance = GBServer.globals.minInstances.filter(p => p.instance.botId === botId)[0];
-    const path = Path.join(process.env.PWD, 'work', `${min.instance.botId}.gbai`, `${min.instance.botId}.gbui`, 'index.html');
-
-    if (req.originalUrl && prerender && exclude) {
+    if (min && req.originalUrl && prerender && exclude) {
+      const path = Path.join(
+        process.env.PWD,
+        'work',
+        `${min.instance.botId}.gbai`,
+        `${min.instance.botId}.gbui`,
+        'index.html'
+      );
       const html = Fs.readFileSync(path, 'utf8');
       res.status(200).send(html);
       return true;
     } else {
+      const path = Path.join(
+        process.env.PWD,
+        GBDeployer.deployFolder,
+        GBMinService.uiPackage,
+        'build',
+        min ? 'index.html' : req.url
+      );
+
       if (Fs.existsSync(path)) {
         res.sendFile(path);
+        return true;
       } else {
+        GBLogEx.info(min, `HTTP 404: ${req.url}.`);
         res.status(404);
         res.end();
-      }      
+      }
     }
   }
 }

packages/kb.gbapp/services/KBService.ts

@@ -64,6 +64,8 @@ import { GuaribasAnswer, GuaribasQuestion, GuaribasSubject } from '../models/ind
 import { GBConfigService } from './../../core.gbapp/services/GBConfigService.js';
 import textract from 'textract';
 import pdf from 'pdf-extraction';
+import { GBSSR } from '../../core.gbapp/services/GBSSR.js';
+import { GBLogEx } from '../../core.gbapp/services/GBLogEx.js';
 
 /**
  * Result for quey on KB data.
@@ -775,7 +777,13 @@ export class KBService implements IGBKBService {
    */
   public async deployKb(core: IGBCoreService, deployer: GBDeployer, localPath: string, min: GBMinInstance) {
     const packageName = Path.basename(localPath);
+    
     GBLog.info(`[GBDeployer] Opening package: ${localPath}`);
+    const html = await GBSSR.getHTML(min);
+    const path = Path.join(process.env.PWD, 'work', `${min.instance.botId}.gbai`, `${min.instance.botId}.gbui`, 'index.html');
+    GBLogEx.info(min, `[GBDeployer] Generating SSR HTML in ${path}.`);
+    Fs.writeFileSync(path, html, 'utf8');
+
 
     const instance = await core.loadInstanceByBotId(min.botId);
     GBLog.info(`[GBDeployer] Importing: ${localPath}`);
@@ -788,6 +796,8 @@ export class KBService implements IGBKBService {
     min['groupCache'] = await KBService.getGroupReplies(instance.instanceId);
     await KBService.RefreshNER(min);
 
+
+    
     GBLog.info(`[GBDeployer] Finished import of ${localPath}`);
   }
 

src/app.ts

@@ -230,10 +230,8 @@ export class GBServer {
             winston.default(server, loggers[1]);
           }
 
-        server.get('*', function (req, res) {
-            GBLog.info(`HTTP 404: ${req.url}.`);
-            res.status(404);
-            res.end();
+          server.get('*', async (req, res, next) => {
+            await GBSSR.ssrFilter(req, res, next);
           });
 
           GBLog.info(`The Bot Server is in RUNNING mode...`);