How to use ConnectAsync method of PuppeteerSharp.Puppeteer class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Puppeteer.ConnectAsync

WorkerActivities.cs

Source:WorkerActivities.cs

...21                [ActivityTrigger] DurableActivityContext ctx,22                TraceWriter log)23        {24            var credentials = ctx.GetInput<string>();25            var browser = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = Constants.BrowserWSEndpoint });26            var page = await browser.NewPageAsync();27            var login = new UIAction.Login();28            CookieParam[] cookies = null;29            cookies = await login.RunAsync(page, log);30            // page is closed implicitly31            browser.Disconnect();32            if (cookies != null)33            {34                return CookieConverter.EncodeCookie(cookies);35            }36            throw new Exception("Failed to authenticate.");37        }38        // A) Accept search query and cookies return [totalpages]39        [FunctionName("QueryGuru")]40        public static async Task<int> QueryGuru(41                [ActivityTrigger] DurableActivityContext ctx,42                TraceWriter log)43        {44            var arguments = ctx.GetInput<Tuple<string, string>>();45            var searchargs = arguments.Item1.Split(':');46            if (searchargs.Length != 2)47            {48                throw new ArgumentException("Activity.QueryGuru: Expected search query to be in format <query>:<type>");49            }50            var query = searchargs[0];51            var type = searchargs[1];52            var cookies = CookieConverter.DecodeCookie(arguments.Item2);53            var browser = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = Constants.BrowserWSEndpoint });54            var page = await browser.NewPageAsync();55            await page.SetCookieAsync(cookies);56            var search = new UIAction.NavigateSearch(query, type);57            var pages = await search.RunAsync(page);58            browser.Disconnect();59            return pages;60        }61        // O) Accept search query and cookies and page and configsection then return result62        [FunctionName("RetrievePageContent")]63        public static async Task<WorkerResult> RetrievePageContent(64                [ActivityTrigger] DurableActivityContext ctx,65                TraceWriter log)66        {67            var arguments = ctx.GetInput<Tuple<string, string, int, string>>();68            var searchargs = arguments.Item1.Split(':');69            if (searchargs.Length != 2)70            {71                throw new ArgumentException("Activity.QueryGuru: Expected search query to be in format <query>:<type>");72            }73            var query = searchargs[0];74            var type = searchargs[1];75            var cookies = CookieConverter.DecodeCookie(arguments.Item2);76            var pagenumber = arguments.Item3;77            var config = JsonConvert.DeserializeObject<ConfigSection>(arguments.Item4);78            var browser = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = Constants.BrowserWSEndpoint });79            var page = await browser.NewPageAsync();80            await page.SetCookieAsync(cookies);81            var search = new UIAction.NavigateSearch(query, type, true);82            await search.RunAsync(page);83            var collect = new UIAction.NavigateCollect(pagenumber, ctx.InstanceId, ctx.InstanceId, config);84            var result = await collect.RunAsync(page);85            // page is closed implicitly86            browser.Disconnect();87            var customresult = new WorkerResult { html = result, page = pagenumber };88            return customresult;89        }90        // A) Accept number of pages and return a range from 1 to number of pages91        [FunctionName("CreateWorkload")]92        public static async Task<List<int>> CreateWorkload(93                [ActivityTrigger] DurableActivityContext ctx,94                TraceWriter log)95        {96            var totalpages = ctx.GetInput<int>();97            var workload = Enumerable.Range(1, totalpages).ToList();98            return await Task.FromResult(workload);99        }100        // A) Accept number of pages and return a range from 1 to number of pages101        [FunctionName("RaiseFinishedEvent")]102        public static async Task RaiseFinishedEvent(103                [ActivityTrigger] DurableActivityContext ctx,104                [OrchestrationClient] DurableOrchestrationClient client,105                TraceWriter log)106        {107            var args = ctx.GetInput<WorkerWorkResult>();108            var instanceid = args.instanceid;109            var reason = args.result;110            await client.RaiseEventAsync(instanceid, "Finished", reason);111        }112        [FunctionName("RetrieveScrapingConfig")]113        public static async Task<ConfigSection> RetrieveScrapingConfig(114                [ActivityTrigger] DurableActivityContext ctx,115                [Blob("config/propertyrecord.json", Connection = "StorageAccount")] TextReader file,116                TraceWriter log)117        {118            var configjson = await file.ReadToEndAsync();119            var config = OpenScraping.Config.StructuredDataConfig.ParseJsonString(configjson);120            return await Task.FromResult(config);121        }122    // [FunctionName("A_InitBrowser")]123    //    public static async Task<string> InitBrowser(124    //        [ActivityTrigger] DurableActivityContext ctx,125    //        TraceWriter log)126    //    {127    //        var connectionstring = ctx.GetInput<string>();128    //        var browser = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = connectionstring });129    //        var json = JsonConvert.SerializeObject(browser, Formatting.None, new JsonSerializerSettings { PreserveReferencesHandling = PreserveReferencesHandling.All, TypeNameAssemblyFormatHandling = TypeNameAssemblyFormatHandling.Full });130    //        return json;131    //    }132    // [FunctionName("A_InitBrowserPage")]133    //    public static async Task<Page> InitBrowserPage(134    // [ActivityTrigger] DurableActivityContext ctx,135    // TraceWriter log)136    //    {137    //        var browser = ctx.GetInput<Browser>();138    //        var page = await browser.NewPageAsync();139    //        return page;140    //    }141    // [FunctionName("A_ScrapeSingle")]142    //    public static async Task<Model.WorkerResult> ScrapeSingle(...

ApiFactory.cs

Source:ApiFactory.cs

...81                sourceWriter.Namespace("Weikio.ApiFramework.Plugins.Browser");82                sourceWriter.StartClass($"RemoteBrowser : WebBrowser");83                sourceWriter.WriteLine($"private readonly string _browserWSEndpoint = \"{configuration?.BrowserWSEndpoint}\";");84                sourceWriter.Write(85                    "protected override async Task<PuppeteerSharp.Browser> GetBrowser() { var connectOptions = new ConnectOptions() { BrowserWSEndpoint = _browserWSEndpoint };var result = await Puppeteer.ConnectAsync(connectOptions); return result; }");86                sourceWriter.FinishBlock(); // Finish the class87                sourceWriter.FinishBlock(); // Finish the namespace88                code = sourceWriter.ToString();89            }90            var generator = new CodeToAssemblyGenerator();91            generator.ReferenceAssemblyContainingType<WebBrowser>();92            generator.ReferenceAssemblyContainingType<PuppeteerSharp.Browser>();93            var assembly = generator.GenerateAssembly(code);94            var result = assembly.GetExportedTypes()95                .ToList();96            return result;97        }98        public static string GetBrowserPath()99        {...

ManageHeadlessBrowser.cs

Source:ManageHeadlessBrowser.cs

...43            var policy = Policy44            .Handle<Exception>()45            .WaitAndRetryAsync(delay, onRetry: (response, delay, retryCount, context) =>46            {47                _logger.LogInformation($"******* retry ConnectAsync #{retryCount}{Environment.NewLine}");48            });49            await policy.ExecuteAsync(async () =>50            {51                _logger.LogInformation($"******* trying to connect to headless browser.{Environment.NewLine}");52                _browser = await PuppeteerSharp.Puppeteer.ConnectAsync(options);53            });54        }55        /// <summary>56        /// lets create/get browser pages based on index57        /// </summary>58        /// <param name="index">concurrency index</param>59        /// <returns>Puppeteer Page object</returns>60        public async Task<T> GetPage<T>(int index) where T : class61        {62            if (_browser == null || _browser.IsClosed)63                await Init();64            //lets try a couple of times65            var delay = Backoff.ConstantBackoff(TimeSpan.FromMilliseconds(1000), retryCount: 5);66            var policy = Policy...

Program.cs

Source:Program.cs

...65                BrowserURL = "http://127.0.0.1:9222"66                //BrowserURL = "http://192.168.4.180:9222"67            };68            var url = "https://www.google.com/";69            using (var browser = await PuppeteerSharp.Puppeteer.ConnectAsync(options))70            {71                using (var page = await browser.NewPageAsync())72                {73                    await page.GoToAsync(url);74                    var searchElm = await page.XPathAsync("//input[@name='q']");75                    await searchElm[0].TypeAsync("hello world");76                    await page.ScreenshotAsync(@"screenshot-remote.png");77                }78                browser.Disconnect();79            }80            Console.WriteLine("done!");81        }82        static async void RecaptchaUsage()83        {84            // Initialize recaptcha plugin with AntiCaptchaProvider85            var recaptchaPlugin = new RecaptchaPlugin(new TwoCaptcha("2captcha token"));86            var browser = await new PuppeteerExtra().Use(recaptchaPlugin).ConnectAsync(new ConnectOptions()87            {88                BrowserURL = "http://127.0.0.1:9222"89            });90            var page = await browser.NewPageAsync();91            await page.GoToAsync("https://patrickhlauke.github.io/recaptcha/");92            // Solves captcha in page!93            await recaptchaPlugin.SolveCaptchaAsync(page);94            Console.WriteLine("done");95        }96    }97}...

BrowserProvider.cs

Source:BrowserProvider.cs

...21    {22        if (!string.IsNullOrEmpty(Options.BrowserWsEndpoint))23        {24            logger.LogInformation("Connect to ws endpoint");25            return await PuppeteerSharp.Puppeteer.ConnectAsync(26                new ConnectOptions27                {28                    BrowserWSEndpoint = Options.BrowserWsEndpoint,29                    IgnoreHTTPSErrors = Options.IgnoreHTTPSErrors,30                    DefaultViewport = Options.ViewPortOptions31                },32                loggerFactory);33        }34        if (string.IsNullOrEmpty(Environment.GetEnvironmentVariable("PUPPETEER_EXECUTABLE_PATH")))35        {36            logger.LogDebug("Download browser");37            using var browserFetcher = new BrowserFetcher(Options.Product);38            if (!string.IsNullOrEmpty(Options.Revision))39            {...

ConcurrentBrowserActivities.cs

Source:ConcurrentBrowserActivities.cs

...22            var asm = Assembly.Load("Microsoft.Extensions.Options, Culture=neutral, PublicKeyToken=adb9793829ddae60");23            PuppeteerSharp.Browser browser = null;24            try25            {26                browser = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = Constants.BrowserWSEndpoint });27                var page = await browser.NewPageAsync();28                await page.GoToAsync(url, new NavigationOptions { Timeout = 4000 });29            }30            catch (Exception ex)31            {32                return ex.Message;33            }34            finally35            {36                if (browser != null)37                {38                    browser.Disconnect();39                }40            }...

Browser.cs

Source:Browser.cs

...20        // {21        //     Headless = true,22        //     Args = new[] { "--disable-gpu", "--disable-dev-shm-usage", "--no-sandbox", "--disable-setuid-sandbox" }23        // });24        _puppeteerBrowser = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = "ws://chrome:3000" });25    }26}...

ImageService.cs

Source:ImageService.cs

...11            _config = config;12        }13        public async Task GenerateImageAsync()14        {15            var browser = await Puppeteer.ConnectAsync(new ConnectOptions16            {17                BrowserWSEndpoint = _config.GetSection(BrowserWSKey).Value18            });19            var page = await browser.NewPageAsync();20            await page.GoToAsync("https://www.google.com");21            await page.ScreenshotAsync("screenshot.png");22        }23    }24}

ConnectAsync

Using AI Code Generation

1var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });2var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false, ExecutablePath = "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe" });3var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false, ExecutablePath = "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe", Args = new string[] { "--no-sandbox" } });4var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false, ExecutablePath = "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe", Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" } });5var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false, ExecutablePath = "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe", Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }, DefaultViewport = new ViewPortOptions { Width = 1920, Height = 1080 } });6var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false, ExecutablePath = "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe", Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }, DefaultViewport = new ViewPortOptions { Width = 1920, Height = 1080 }, IgnoreHTTPSErrors = true });7var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        public static async Task Main(string[] args)7        {8            var browser = await Puppeteer.ConnectAsync(new ConnectOptions9            {10            });11            var page = await browser.NewPageAsync();12            await page.GoToAsync(url);13            await page.PdfAsync("C:\\Users\\User\\Desktop\\2.pdf", new PdfOptions { Format = PaperFormat.A4 });14            await browser.CloseAsync();15        }16    }17}18using System;19using System.Threading.Tasks;20using PuppeteerSharp;21{22    {23        public static async Task Main(string[] args)24        {25            var browser = await Puppeteer.ConnectAsync(new ConnectOptions26            {27            });28            var page = await browser.NewPageAsync();29            await page.GoToAsync(url);30            await page.PdfAsync("C:\\Users\\User\\Desktop\\3.pdf", new PdfOptions { Format = PaperFormat.A4 });31            await browser.CloseAsync();32        }33    }34}35using System;36using System.Threading.Tasks;37using PuppeteerSharp;38{39    {40        public static async Task Main(string[] args)41        {42            var browser = await Puppeteer.ConnectAsync(new ConnectOptions43            {

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browser = await Puppeteer.ConnectAsync(new ConnectOptions9            {

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            {9            };10            var browser = await Puppeteer.ConnectAsync(options);11            var page = await browser.NewPageAsync();12            await page.ScreenshotAsync("google.png");13            await browser.CloseAsync();14        }15    }16}

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browser = await Puppeteer.ConnectAsync(new ConnectOptions9            {

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browser = await Puppeteer.ConnectAsync(new ConnectOptions9            {

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