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new(all): #327 OPEN AS web automation.

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rodrigorodriguez 2023-02-16 18:12:21 -03:00
parent 649e08d7f2
commit de84283b5d
1 changed files with 42 additions and 21 deletions
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63
packages/basic.gblib/services/WebAutomationServices.ts
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@ -45,6 +45,7 @@ import Fs from 'fs';
import Path from 'path';
import url from 'url';
import { Mutex, Semaphore, withTimeout } from 'async-mutex';
import { GBLogEx } from '../../core.gbapp/services/GBLogEx.js';
/**
* Web Automation services of conversation to be called by BASIC.
@ -86,8 +87,6 @@ export class WebAutomationServices {
*/
maxLines: number = 2000;
pageMap = {};
public static cyrb53 = (str, seed = 0) => {
let h1 = 0xdeadbeef ^ seed,
h2 = 0x41c6ce57 ^ seed;
@ -123,12 +122,25 @@ export class WebAutomationServices {
public async getPage({ pid, sessionKind, sessionName, url, username, password }) {
GBLog.info(`BASIC: Web Automation GET PAGE ${sessionName ? sessionName : ''} ${url}.`);
const { min, user } = await DialogKeywords.getProcessInfo(pid);
let handle;
// Try to find an existing handle.
let session = GBServer.globals.webSessions[sessionName];
let keys = Object.keys(GBServer.globals.webSessions);
for (let i = 0; i < keys.length; i++) {
const session = GBServer.globals.webSessions[keys[i]];
if (session.sessionName === sessionName) {
handle = keys[i];
break;
}
}
// Semaphore logic to block multiple entries on the same session.
let page;
let session = GBServer.globals.webSessions[sessionName];
if (session) {
const [value, release] = await session.semaphore.acquire();
try {
@ -139,40 +151,49 @@ export class WebAutomationServices {
}
}
// Creates the page if it is the first time.
let browser;
if (!page) {
browser = await createBrowser(null);
page = (await this.browser.pages())[0];
if (username || password) {
await page.authenticate({ pid, username: username, password: password });
}
}
// There is no session yet,
if (!session && sessionKind === 'AS') {
// A new web session is being created.
GBServer.globals.webSessions[sessionName] = {};
GBServer.globals.webSessions[sessionName].pid = pid;
GBServer.globals.webSessions[sessionName].page = page;
GBServer.globals.webSessions[sessionName].semaphore = withTimeout(
handle = WebAutomationServices.cyrb53(this.min.botId + url);
GBServer.globals.webSessions[handle] = {};
GBServer.globals.webSessions[handle].sessionName = sessionName;
GBServer.globals.webSessions[handle].pid = pid;
GBServer.globals.webSessions[handle].page = page;
GBServer.globals.webSessions[handle].browser = browser;
GBServer.globals.webSessions[handle].semaphore = withTimeout(
new Semaphore(5),
60 * 1000,
new Error('Error waiting for OPEN keyword.')
);
}
if (url.startsWith('#') && sessionKind == 'WITH') {
} else {
if (!this.browser) {
this.browser = await createBrowser(null);
}
page = (await this.browser.pages())[0];
if (username || password) {
await page.authenticate({ pid, username: username, password: password });
}
// WITH is only valid in a previously defined session.
if (!session && sessionKind == 'WITH') {
GBLogEx.error(min, `NULL session for OPEN WITH #${sessionName}.`);
}
await page.goto(url);
const handle = WebAutomationServices.cyrb53(this.min.botId + url);
this.pageMap[handle] = page;
return handle;
}
public getPageByHandle(hash) {
return this.pageMap[hash];
public getPageByHandle(handle) {
return GBServer.globals.webSessions[handle].page;
}
/**