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How to use PatchRequestEventHeaders method of PuppeteerSharp.NetworkManager class

Best Puppeteer-sharp code snippet using PuppeteerSharp.NetworkManager.PatchRequestEventHeaders

NetworkManager.cs

Source:NetworkManager.cs

...343                requestWillBeSentEvent = null;344            }345            if (requestWillBeSentEvent != null)346            {347                PatchRequestEventHeaders(requestWillBeSentEvent, e);348                await OnRequestAsync(requestWillBeSentEvent, e.RequestId).ConfigureAwait(false);349            }350            else351            {352                _networkEventManager.StoreRequestPaused(e.NetworkId, e);353            }354        }355        private async Task OnRequestAsync(RequestWillBeSentPayload e, string fetchRequestId)356        {357            Request request;358            var redirectChain = new List<Request>();359            if (e.RedirectResponse != null)360            {361                ResponseReceivedExtraInfoResponse redirectResponseExtraInfo = null;362                if (e.RedirectHasExtraInfo)363                {364                    redirectResponseExtraInfo = _networkEventManager.ShiftResponseExtraInfo(e.RequestId);365                    if (redirectResponseExtraInfo == null)366                    {367                        _networkEventManager.QueueRedirectInfo(e.RequestId, new()368                        {369                            Event = e,370                            FetchRequestId = fetchRequestId,371                        });372                        return;373                    }374                }375                request = _networkEventManager.GetRequest(e.RequestId);376                // If we connect late to the target, we could have missed the requestWillBeSent event.377                if (request != null)378                {379                    HandleRequestRedirect(request, e.RedirectResponse, redirectResponseExtraInfo);380                    redirectChain = request.RedirectChainList;381                }382            }383            var frame = !string.IsNullOrEmpty(e.FrameId) ? await FrameManager.TryGetFrameAsync(e.FrameId).ConfigureAwait(false) : null;384            request = new Request(385                _client,386                frame,387                fetchRequestId,388                _userRequestInterceptionEnabled,389                e,390                redirectChain);391            _networkEventManager.StoreRequest(e.RequestId, request);392            Request?.Invoke(this, new RequestEventArgs393            {394                Request = request395            });396        }397        private void OnRequestServedFromCache(RequestServedFromCacheResponse response)398        {399            var request = _networkEventManager.GetRequest(response.RequestId);400            if (request != null)401            {402                request.FromMemoryCache = true;403            }404            RequestServedFromCache?.Invoke(this, new RequestEventArgs { Request = request });405        }406        private void HandleRequestRedirect(Request request, ResponsePayload responseMessage, ResponseReceivedExtraInfoResponse extraInfo)407        {408            var response = new Response(409                _client,410                request,411                responseMessage,412                extraInfo);413            request.Response = response;414            request.RedirectChainList.Add(request);415            response.BodyLoadedTaskWrapper.TrySetException(416                new PuppeteerException("Response body is unavailable for redirect responses"));417            ForgetRequest(request, false);418            Response?.Invoke(this, new ResponseCreatedEventArgs419            {420                Response = response421            });422            RequestFinished?.Invoke(this, new RequestEventArgs423            {424                Request = request425            });426        }427        private async Task OnRequestWillBeSentAsync(RequestWillBeSentPayload e)428        {429            // Request interception doesn't happen for data URLs with Network Service.430            if (_userRequestInterceptionEnabled && !e.Request.Url.StartsWith("data:", StringComparison.InvariantCultureIgnoreCase))431            {432                _networkEventManager.StoreRequestWillBeSent(e.RequestId, e);433                var requestPausedEvent = _networkEventManager.GetRequestPaused(e.RequestId);434                if (requestPausedEvent != null)435                {436                    var fetchRequestId = requestPausedEvent.RequestId;437                    PatchRequestEventHeaders(e, requestPausedEvent);438                    await OnRequestAsync(e, fetchRequestId).ConfigureAwait(false);439                    _networkEventManager.ForgetRequestPaused(e.RequestId);440                }441                return;442            }443            await OnRequestAsync(e, null).ConfigureAwait(false);444        }445        private void PatchRequestEventHeaders(RequestWillBeSentPayload requestWillBeSentEvent, FetchRequestPausedResponse requestPausedEvent)446        {447            foreach (var kv in requestPausedEvent.Request.Headers)448            {449                requestWillBeSentEvent.Request.Headers[kv.Key] = kv.Value;450            }451        }452        private async Task UpdateProtocolRequestInterceptionAsync()453        {454            var enabled = _userRequestInterceptionEnabled || _credentials != null;455            if (enabled == _protocolRequestInterceptionEnabled)456            {457                return;458            }459            _protocolRequestInterceptionEnabled = enabled;...

PatchRequestEventHeaders

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.LaunchAsync(new LaunchOptions9            {10                Args = new string[] { "--disable-web-security" }11            });12            var page = await browser.NewPageAsync();13            await page.WaitForNavigationAsync(new NavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle0 } });14            await page.PatchRequestEventHeadersAsync(new Dictionary<string, string> { { "User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36" } });15            await page.WaitForNavigationAsync(new NavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle0 } });16            await page.PatchRequestEventHeadersAsync(new Dictionary<string, string> { { "User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36" } });17            await browser.CloseAsync();18        }19    }20}21public void PatchRequestEventHeaders(Dictionary<string, string> headers)

PatchRequestEventHeaders

Using AI Code Generation

1var options = new LaunchOptions { Headless = false };2using (var browser = await Puppeteer.LaunchAsync(options))3{4  var page = await browser.NewPageAsync();5  await page.SetRequestInterceptionAsync(true);6  page.Request += async (sender, e) =>7  {8    await e.Request.PatchRequestEventHeaders(new Dictionary<string, string> { { "foo", "bar" } });9    await e.Request.ContinueAsync();10  };11}12var options = new LaunchOptions { Headless = false };13using (var browser = await Puppeteer.LaunchAsync(options))14{15  var page = await browser.NewPageAsync();16  await page.SetRequestInterceptionAsync(true);17  page.Request += async (sender, e) =>18  {19    await e.Request.PatchResponseEventHeaders(new Dictionary<string, string> { { "foo", "bar" } });20    await e.Request.ContinueAsync();21  };22}23var options = new LaunchOptions { Headless = false };24using (var browser = await Puppeteer.LaunchAsync(options))25{26  var page = await browser.NewPageAsync();27  await page.SetRequestInterceptionAsync(true);28  page.Request += async (sender, e) =>29  {30    await e.Request.PatchResponseEventHeaders(new Dictionary<string, string> { { "foo", "bar" } });31    await e.Request.ContinueAsync();32  };33}34var options = new LaunchOptions { Headless = false };35using (var browser = await Puppeteer.LaunchAsync(options))36{37  var page = await browser.NewPageAsync();38  await page.SetRequestInterceptionAsync(true);39  page.Request += async (sender, e) =>40  {41    await e.Request.PatchResponseEventHeaders(new Dictionary<string, string> { { "foo", "bar" } });

PatchRequestEventHeaders

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9            var browser = await Puppeteer.LaunchAsync(new LaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            await page.SetRequestInterceptionAsync(true);14            page.Request += async (sender, e) =>15            {16                if (e.Request.ResourceType == ResourceType.Image)17                {18                    await e.Request.AbortAsync();19                }20                {21                    await e.Request.ContinueAsync();22                }23            };24            page.Response += async (sender, e) =>25            {26                {27                    var headers = e.Response.Headers;28                    await page.PatchRequestEventHeaders(e.Response.Request, headers);29                }30            };31            await page.ScreenshotAsync("example.png");

PatchRequestEventHeaders

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });10            var page = await browser.NewPageAsync();11            await page.SetRequestInterceptionAsync(true);12            page.Request += async (sender, e) => await InterceptRequest(e);13            await browser.CloseAsync();14        }15        private static async Task InterceptRequest(RequestEventArgs e)16        {17            if (e.Request.Url.Contains("headers"))18            {19                await e.Request.ContinueAsync(new Payload20                {21                    Headers = new HeaderEntry[] { new HeaderEntry { Name = "x-custom-header", Value = "custom-header-value" } }22                });23            }24            {25                await e.Request.ContinueAsync();26            }27        }28    }29}

PatchRequestEventHeaders

Using AI Code Generation

1using System.Threading.Tasks;2using PuppeteerSharp;3{4    {5        static async Task Main(string[] args)6        {7            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });8            var page = await browser.NewPageAsync();9            var client = page.Client;10            await client.Network.PatchRequestEventHeaders();11        }12    }13}

PatchRequestEventHeaders

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.LaunchAsync(new LaunchOptions9            {10                Args = new string[] { "--no-sandbox" }11            });12            var page = await browser.NewPageAsync();13            {14                { "foo", "bar" }15            });16            await page.ClickAsync("button[type='submit']");17            await page.WaitForNavigationAsync();18            await page.ScreenshotAsync("5.png");19            await browser.CloseAsync();20        }21    }22}

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