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How to use Request class of PuppeteerSharp package

Best Puppeteer-sharp code snippet using PuppeteerSharp.Request

Methods.cs

Source:Methods.cs

...167        private static void StopYoveProxyInternalServer(BotData data)168            => data.TryGetObject<ProxyClient>("puppeteer.yoveproxy")?.Dispose();169        private static async Task SetPageLoadingOptions(BotData data, PuppeteerSharp.Page page)170        {171            await page.SetRequestInterceptionAsync(true);172            page.Request += (sender, e) =>173            {174                // If we only want documents and scripts but the resource is not one of those, block175                if (data.ConfigSettings.BrowserSettings.LoadOnlyDocumentAndScript && 176                    e.Request.ResourceType != ResourceType.Document && e.Request.ResourceType != ResourceType.Script)177                {178                    e.Request.AbortAsync();179                }180                // If the url contains one of the blocked urls181                else if (data.ConfigSettings.BrowserSettings.BlockedUrls182                    .Where(u => !string.IsNullOrWhiteSpace(u))183                    .Any(u => e.Request.Url.Contains(u, StringComparison.OrdinalIgnoreCase)))184                {185                    e.Request.AbortAsync();186                }187                // Otherwise all good, continue188                else189                {190                    e.Request.ContinueAsync();191                }192            };193            if (data.ConfigSettings.BrowserSettings.DismissDialogs)194            {195                page.Dialog += (sender, e) =>196                {197                    data.Logger.Log($"Dialog automatically dismissed: {e.Dialog.Message}", LogColors.DarkSalmon);198                    e.Dialog.Dismiss();199                };200            }201        }202    }203}...

GeneratePdf.cs

Source:GeneratePdf.cs

...19        /// <param name="req"></param>20        /// <param name="log"></param>21        /// <returns></returns>22        [FunctionName("version")]23        public IActionResult Version([HttpTrigger(AuthorizationLevel.Anonymous, "get")] HttpRequest req, ILogger log)24        {25            return new OkObjectResult(Assembly.GetExecutingAssembly().GetName().Version.ToString());26        }27        /// <summary>28        /// Create a PDF from a given URL29        /// </summary>30        /// <param name="req"></param>31        /// <param name="log"></param>32        /// <returns></returns>33        [FunctionName("GeneratePdf")]34        public async Task<IActionResult> GenerateThePdf([HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequest req, ILogger log)35        {36            // we need a url at the very least37            string url = req.Query["url"];38            if (string.IsNullOrEmpty(url))39            {40                return new BadRequestObjectResult("url not given");41            }42            // make sure we have a full url43            url = url.ToWebsite();44            int width = req.Query["w"].ToString().ToInt(1024);45            int margin = req.Query["m"].ToString().ToInt(0);46            string name = req.Query["n"].ToString().Clean();47            bool printBackground = req.Query["pb"].ToString().ToBool(true);48            49            if (string.IsNullOrEmpty(name))50                name = $"{DateTime.UtcNow:yyyy-MM-dd-hh-mm-ss}.pdf";51            if (!name.EndsWith(".pdf"))52                name = $"{name}.pdf";53            try54            {55                // create a browserfetcher object which will handle the downloading of the chrome browser image56                using var browserFetcher = new BrowserFetcher(new BrowserFetcherOptions()57                {58                    // for azure functions, we need to use the temp path so we don't get a permission issue59                    Path = Path.GetTempPath()60                }) ;61                // download the browser image62                await browserFetcher.DownloadAsync();63                // launch the browser in headless mode from the temp dir we downloaded the image to64                await using var browser = await Puppeteer.LaunchAsync(new LaunchOptions { 65                    Headless = true,66                    ExecutablePath = browserFetcher.RevisionInfo(BrowserFetcher.DefaultChromiumRevision).ExecutablePath67                });68                // create a new page69                await using var page = await browser.NewPageAsync();70                await page.GoToAsync(url, WaitUntilNavigation.Networkidle0); // In case of fonts being loaded from a CDN, use WaitUntilNavigation.Networkidle0 as a second param.71                // change the viewport to the width of your choosing72                await page.SetViewportAsync(new ViewPortOptions73                {74                    DeviceScaleFactor = 1,75                    Width = width,76                    Height = 108077                });78                // dimensions = await page.EvaluateExpressionAsync<string>(jsWidth);79                await page.EvaluateExpressionHandleAsync("document.fonts.ready"); // Wait for fonts to be loaded. Omitting this might result in no text rendered in pdf.80                // use the screen mode for viewing the web page81                await page.EmulateMediaTypeAsync(PuppeteerSharp.Media.MediaType.Screen);82                // define some options83                var options = new PdfOptions()84                {85                    Width = width,86                    Height = 1080,87                    Format = PuppeteerSharp.Media.PaperFormat.Letter,88                    DisplayHeaderFooter = false,89                    PrintBackground = printBackground90                };91                // throws an error if margin is less than 1092                if (margin >= 10)93                {94                    options.MarginOptions = new PuppeteerSharp.Media.MarginOptions()95                    {96                        Top = $"{margin}",97                        Bottom = $"{margin}",98                        Left = $"{margin}",99                        Right = $"{margin}"100                    };101                }102                // get the bytes of the pdf103                var pdfData = await page.PdfDataAsync(options);104                // write out the pdf105                return new FileContentResult(pdfData, "application/pdf")106                {107                    FileDownloadName = name108                };109            }110            catch(Exception ex)111            {112                return new BadRequestObjectResult(ex.Message);113            }            114        }115    }116}...

GistGithubService.cs

Source:GistGithubService.cs

...35            //    IsAuthenticated = true;36            //    client.Credentials = new Credentials(accessToken);37            //    return true;38            //}39            var loginRequest = new OauthLoginRequest(gitHubModel.ClientId);40            foreach (var scope in gitHubModel.Scopes!)41                loginRequest.Scopes.Add(scope);42            var redirectPage = client.Oauth.GetGitHubLoginUrl(loginRequest);43            client.Credentials = await FetchGitCredential(redirectPage);44            await credentialStore.StoreAccessToken(client.Credentials.GetToken());45            IsAuthenticated = true;46            return true;47        }48        public async Task<string?> Create(GistModel gist)49        {50            try51            {52                var result = await client.Gist.Create(new NewGist53                {54                    Files =55                    {56                        [gist.Name] = gist.Content57                    },58                    Description = gist.Description59                });60                return result?.Id;61            }62            catch (Exception ex)63            {64                var msg = ex.Message;65                throw;66            }67        }68        public async Task<string?> Update(string id, GistModel gist)69        {70            var result = await client.Gist.Edit(id, new GistUpdate71            {72                Files =73                {74                    [gist.Name] = new GistFileUpdate75                    {76                        Content = gist.Content77                    }78                },79                Description = gist.Description80            });81            return result?.Id;82        }83        public async Task<GistModel?> Find(string id)84        {85            var result = await client.Gist.Get(id);86            if (result != null)87            {88                var firstEntry = result.Files.FirstOrDefault();89                return new GistModel(firstEntry.Value.Filename, firstEntry.Value.Content)90                {91                };92            }93            return null;94        }95        private async Task<Credentials> FetchGitCredential(Uri redirectPage)96        {97            var targetUrl = await GetRedirectCallbackResult(redirectPage);98            var queryString = QueryStringHelper.ToDictionary(targetUrl);99            var code = queryString[gitHubModel.TargetRedirectKey!];100            var result = await client.Oauth.CreateAccessToken(101                new OauthTokenRequest(gitHubModel.ClientId, gitHubModel.ClientSecret, code));102            return new Credentials(result.AccessToken);103        }104        private async Task<Uri> GetRedirectCallbackResult(Uri redirectPage)105        {106            var revisionInfo = await browserFetcher107                .DownloadAsync(PuppeteerSharp.BrowserFetcher.DefaultRevision);108            using var browser = await PuppeteerSharp.Puppeteer.LaunchAsync(new PuppeteerSharp.LaunchOptions109            {110                Headless = false,111                LogProcess = true,112                DumpIO = true113            });114            var page = await browser.NewPageAsync();115            var redirectResult = await page.GoToAsync(redirectPage.AbsoluteUri);...

AccountsControllerIntegrationTests.cs

Source:AccountsControllerIntegrationTests.cs

...13{14    [Collection("WebHost collection")]15    public class AccountsControllerIntegrationTests : IClassFixture<AuthServerWebApplicationFactory<TestStartup, AppIdentityDbContext>>16    {17        private static readonly IList<SignupRequest> _signupRequests = new List<SignupRequest>18        {19            new SignupRequest() {FullName = "Mark Macneil", Email = "mark@fullstackmark.com", Password="Pa$$w0rd!", Role="applicant"},20            new SignupRequest() {FullName = "Prescott Terrell", Email = "pterrell@mailinator.com", Password="Pa$$w0rd!", Role="employer"}21        };22        private readonly HttpClient _client;23        private readonly WebHostFixture _webHostFixture;24        public AccountsControllerIntegrationTests(AuthServerWebApplicationFactory<TestStartup, AppIdentityDbContext> factory, WebHostFixture webHostFixture)25        {26            _client = factory.CreateClient();27            _webHostFixture = webHostFixture;28        }29        [Fact]30        public async Task CanCreateAccount()31        {32            var httpResponse = await _client.SendAsync(new HttpRequestMessage(HttpMethod.Post, "/api/accounts")33            {34                Content = new StringContent(System.Text.Json.JsonSerializer.Serialize(_signupRequests[0]), Encoding.UTF8, "application/json")35            });36            httpResponse.EnsureSuccessStatusCode();37            // Deserialize and examine results.38            var stringResponse = await httpResponse.Content.ReadAsStringAsync();39            var response = JsonConvert.DeserializeObject<SignupResponse>(stringResponse);40            Assert.Equal(_signupRequests[0].FullName, response.FullName);41            Assert.Equal(_signupRequests[0].Email, response.Email);42            Assert.Equal(_signupRequests[0].Role, response.Role);43            Assert.True(Guid.TryParse(response.Id, out _));44        }45        [Fact]46        public async Task CanLogin()47        {48            // 1. Create a new account against the InMemory database49            var httpResponse = await _client.SendAsync(new HttpRequestMessage(HttpMethod.Post, "/api/accounts")50            {51                Content = new StringContent(System.Text.Json.JsonSerializer.Serialize(_signupRequests[1]), Encoding.UTF8, "application/json")52            });53            httpResponse.EnsureSuccessStatusCode();54            // 2. Ensure PuppeteerSharp has the browser downloaded55            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);56            using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true }))57            {58                using (var page = await browser.NewPageAsync())59                {60                    // 3. Navigate to the test client page61                    await page.GoToAsync($"http://{_webHostFixture.Host}/test-client/index.html");62                    var navigationTask = page.WaitForNavigationAsync();63                    await Task.WhenAll(navigationTask, page.ClickAsync("button"));64                    // 4. Fill out the login form65                    await page.TypeAsync("#Username", _signupRequests[1].Email);66                    await page.TypeAsync("#Password", _signupRequests[1].Password);67                    // 5. Hit the login button and wait for redirect navigation...68                    navigationTask = page.WaitForNavigationAsync(new NavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle0 } });69                    await Task.WhenAll(navigationTask, page.ClickAsync(".btn-primary"));70                    var content = await page.GetContentAsync();71                    await page.CloseAsync();72                    // 6. Assert we have a logged-in state in the test client73                    Assert.Contains("User logged in", content);74                    Assert.Contains("Prescott Terrell", content);75                    Assert.Contains("pterrell@mailinator.com", content);76                    Assert.Contains("employer", content);77                }78            }79        }80    }...

AvitoPostParser.cs

Source:AvitoPostParser.cs

...17        {18            var response =await page.GoToAsync(url);19            if (response.Status == HttpStatusCode.Forbidden)20            {21                throw new HttpRequestException("Forbidden");22            }23            if (response.Url.Contains("/blocked"))24            {25                ///todo try recognize captcha26                throw new HttpRequestException("Blocked");27            }28            var getPhoneNumberButton = await page.QuerySelectorAsync("span.item-phone-button-sub-text");29            if (getPhoneNumberButton == null)30            {31                return null;32            }33            await getPhoneNumberButton.ClickAsync();34            string phoneNumber = await GetPhoneNumber(page);35            string authorName = await GetAuthorName(page);36            return new PostInformation37            {38                Author = new Author39                {40                    PhoneNumber = phoneNumber,...

PuppeteerEngine.cs

Source:PuppeteerEngine.cs

...28            dic.Add("Accept-Encoding", "gzip, deflate, br");29            dic.Add("Accept-Language", "zh-TW,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-CN;q=0.6");30            dic.Add("Connection", "keep-alive");31            await page.EmulateAsync(IPhone);32            await page.SetRequestInterceptionAsync(true);33            await page.SetExtraHttpHeadersAsync(dic);34            page.Request += async (sender, e) =>35            {36                if (e.Request.ResourceType == ResourceType.Image)37                    await e.Request.AbortAsync();38                else39                    await e.Request.ContinueAsync();40            };41            return page;42        }43        public async void launchBrowser(){44            _browser = await Puppeteer.LaunchAsync(new LaunchOptions45            {46                ExecutablePath = _settings.ChromePath,47                Headless = false48            });49        }50    }51}...

Html2PdfApiService.cs

Source:Html2PdfApiService.cs

...34                DisplayHeaderFooter = true,35                PrintBackground = true,36            };37        }38        public override async Task CreatePdf(CreatePdfRequest request, IServerStreamWriter<CreatePdfReply> responseStream, ServerCallContext context)39        {40            _logger.LogDebug("Generating PDF");41            await using var browser = await Puppeteer.LaunchAsync(_options);42            await using var page = await browser.NewPageAsync();43            await page.SetContentAsync(request.Html);44            await using var pdfStream = await page.PdfStreamAsync(_pdfOptions);45            46            await responseStream.WriteAsync(new CreatePdfReply47            {48                Pdf = await ByteString.FromStreamAsync(pdfStream) 49            });50            _logger.LogDebug("Export completed");51        }52    }...

PdfRequest.cs

Source:PdfRequest.cs

2using PuppeteerSharp;3using PuppeteerSharp.Media;4namespace AbdusCo.Matbaa.Abstractions5{6    public class PdfRequest7    {8        public static readonly PdfOptions DefaultPdfOptions = new PdfOptions()9        {10            Format = PaperFormat.A4,11            DisplayHeaderFooter = false,12            PrintBackground = true,13            PreferCSSPageSize = true,14        };15        /// <summary>16        /// HTML to create PDF from17        /// </summary>18        public string Html { get; set; }19        public PageOptions? Options { get; set; }20        /// <summary>...

Request

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Threading.Tasks;5using PuppeteerSharp;6{7    {8        public static async Task Main(string[] args)9        {10            var browser = await Puppeteer.LaunchAsync(new LaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            await page.ScreenshotAsync("google.png");15            await browser.CloseAsync();16        }17    }18}19using System;20using System.Collections.Generic;21using System.Linq;22using System.Threading.Tasks;23using PuppeteerSharp;24{25    {26        public static async Task Main(string[] args)27        {28            var browser = await Puppeteer.LaunchAsync(new LaunchOptions29            {30            });31            var page = await browser.NewPageAsync();32            await page.ScreenshotAsync("google.png");33            await browser.CloseAsync();34        }35    }36}37using System;38using System.Collections.Generic;39using System.Linq;40using System.Threading.Tasks;41using PuppeteerSharp;42{43    {44        public static async Task Main(string[] args)45        {46            var browserFetcher = new BrowserFetcher();47            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);48        }49    }50}51using System;52using System.Collections.Generic;53using System.Linq;54using System.Threading.Tasks;55using PuppeteerSharp;56{57    {58        public static async Task Main(string[] args)59        {60            var browserFetcher = new BrowserFetcher();61            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);62        }63    }64}65using System;66using System.Collections.Generic;67using System.Linq;68using System.Threading.Tasks;69using PuppeteerSharp;70{71    {

Request

Using AI Code Generation

1var browser = await Puppeteer.LaunchAsync(new LaunchOptions2{3});4var page = await browser.NewPageAsync();5await page.GoToAsync(url);6var content = await page.GetContentAsync();7Console.WriteLine(content);8Console.ReadKey();9var browser = await Puppeteer.LaunchAsync(new LaunchOptions10{11});12var page = await browser.NewPageAsync();13await page.GoToAsync(url);14var content = await page.GetContentAsync();15Console.WriteLine(content);16Console.ReadKey();17var browser = await Puppeteer.LaunchAsync(new LaunchOptions18{19});20var page = await browser.NewPageAsync();21await page.GoToAsync(url);22var content = await page.GetContentAsync();23Console.WriteLine(content);24Console.ReadKey();25var browser = await Puppeteer.LaunchAsync(new LaunchOptions26{27});28var page = await browser.NewPageAsync();29await page.GoToAsync(url);30var content = await page.GetContentAsync();31Console.WriteLine(content);32Console.ReadKey();33var browser = await Puppeteer.LaunchAsync(new LaunchOptions34{35});36var page = await browser.NewPageAsync();37await page.GoToAsync(url);38var content = await page.GetContentAsync();39Console.WriteLine(content);40Console.ReadKey();41var browser = await Puppeteer.LaunchAsync(new LaunchOptions42{43});44var page = await browser.NewPageAsync();45await page.GoToAsync(url);46var content = await page.GetContentAsync();47Console.WriteLine(content);48Console.ReadKey();

Request

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            Console.WriteLine("Hello World!");9        }10        static async Task Run()11        {12            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);13            var browser = await Puppeteer.LaunchAsync(new LaunchOptions14            {15            });16            var page = await browser.NewPageAsync();17            await page.ScreenshotAsync("google.png");18            await browser.CloseAsync();19        }20    }21}22using PuppeteerSharp;23using System;24using System.Threading.Tasks;25{26    {27        static void Main(string[] args)28        {29            Console.WriteLine("Hello World!");30        }31        static async Task Run()32        {33            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);34            var browser = await Puppeteer.LaunchAsync(new LaunchOptions35            {36            });37            var page = await browser.NewPageAsync();38            await page.ScreenshotAsync("google.png");39            await browser.CloseAsync();40        }41    }42}43using PuppeteerSharp;44using System;45using System.Threading.Tasks;46{47    {48        static void Main(string[] args)49        {50            Console.WriteLine("Hello World!");51        }52        static async Task Run()53        {54            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);55            var browser = await Puppeteer.LaunchAsync(new LaunchOptions56            {57            });58            var page = await browser.NewPageAsync();59            await page.ScreenshotAsync("google.png");60            await browser.CloseAsync();61        }62    }63}64using PuppeteerSharp;65using System;

Request

Using AI Code Generation

1using System;2using System.IO;3using System.Linq;4using System.Threading.Tasks;5using PuppeteerSharp;6using System.Collections.Generic;7{8    {9        static void Main(string[] args)10        {11            MainAsync().Wait();12        }13        static async Task MainAsync()14        {15            var browser = await Puppeteer.LaunchAsync(new LaunchOptions16            {17                Args = new List<string> { "--disable-extensions" }18            });19            var page = await browser.NewPageAsync();20            var requests = response.Request;21            var request = requests;22            var request1 = request.Url;23            Console.WriteLine(request1);24            Console.ReadLine();25            await browser.CloseAsync();26        }27    }28}29var requests = response.Request;30            var request = requests;31            var request1 = request.Url;32            Console.WriteLine(request1);33            Console.ReadLine();34var requests = response.Request;35            var request = requests;36            var request1 = request.Url;37            Console.WriteLine(request1);38            Console.ReadLine();39var requests = response.Request;40            var request = requests;41            var request1 = request.Url;42            Console.WriteLine(request1);43            Console.ReadLine();44var requests = response.Request;45            var request = requests;

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