How to use ConnectAsync method of PuppeteerSharp.Puppeteer class

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

WorkerActivities.cs

Source:WorkerActivities.cs Github

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...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(...

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ApiFactory.cs

Source:ApiFactory.cs Github

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...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 {...

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ManageHeadlessBrowser.cs

Source:ManageHeadlessBrowser.cs Github

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...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...

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Program.cs

Source:Program.cs Github

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...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}...

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BrowserProvider.cs

Source:BrowserProvider.cs Github

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...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 {...

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ConcurrentBrowserActivities.cs

Source:ConcurrentBrowserActivities.cs Github

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...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 }...

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Browser.cs

Source:Browser.cs Github

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...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}...

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ImageService.cs

Source:ImageService.cs Github

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...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}

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ConnectAsync

Using AI Code Generation

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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

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ConnectAsync

Using AI Code Generation

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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 {

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ConnectAsync

Using AI Code Generation

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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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ConnectAsync

Using AI Code Generation

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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}

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ConnectAsync

Using AI Code Generation

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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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ConnectAsync

Using AI Code Generation

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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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