How to use RawHeaders class of Microsoft.Playwright.Core package

Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.RawHeaders

Request.cs

Source:Request.cs

...36    internal class Request : ChannelOwnerBase, IChannelOwner<Request>, IRequest37    {38        private readonly RequestChannel _channel;39        private readonly RequestInitializer _initializer;40        private readonly RawHeaders _headers;41        private Task<RawHeaders> _rawHeadersTask;42        internal Request(IChannelOwner parent, string guid, RequestInitializer initializer) : base(parent, guid)43        {44            // TODO: Consider using a mapper between RequestInitiliazer and this object45            _channel = new(guid, parent.Connection, this);46            _initializer = initializer;47            RedirectedFrom = _initializer.RedirectedFrom;48            PostDataBuffer = _initializer.PostData;49            Timing = new();50            if (RedirectedFrom != null)51            {52                _initializer.RedirectedFrom.RedirectedTo = this;53            }54            _headers = new RawHeaders(initializer.Headers.ConvertAll(x => new NameValueEntry(x.Name, x.Value)).ToArray());55        }56        ChannelBase IChannelOwner.Channel => _channel;57        IChannel<Request> IChannelOwner<Request>.Channel => _channel;58        public string Failure { get; internal set; }59        public IFrame Frame => _initializer.Frame;60        public Dictionary<string, string> Headers => _headers.Headers;61        public bool IsNavigationRequest => _initializer.IsNavigationRequest;62        public string Method => _initializer.Method;63        public string PostData => PostDataBuffer == null ? null : Encoding.UTF8.GetString(PostDataBuffer);64        public byte[] PostDataBuffer { get; }65        public IRequest RedirectedFrom { get; }66        public IRequest RedirectedTo { get; internal set; }67        public string ResourceType => _initializer.ResourceType;68        public RequestTimingResult Timing { get; internal set; }69        public string Url => _initializer.Url;70        internal Request FinalRequest => RedirectedTo != null ? ((Request)RedirectedTo).FinalRequest : this;71        public RequestSizesResult Sizes { get; internal set; }72        public async Task<IResponse> ResponseAsync() => (await _channel.GetResponseAsync().ConfigureAwait(false))?.Object;73        public JsonElement? PostDataJSON()74        {75            if (PostData == null)76            {77                return null;78            }79            string content = PostData;80            Headers.TryGetValue("content-type", out string contentType);81            if (contentType == "application/x-www-form-urlencoded")82            {83                var parsed = HttpUtility.ParseQueryString(PostData);84                var dictionary = new Dictionary<string, string>();85                foreach (string key in parsed.Keys)86                {87                    dictionary[key] = parsed[key];88                }89                content = JsonSerializer.Serialize(dictionary);90            }91            if (content == null)92            {93                return null;94            }95            return JsonDocument.Parse(content).RootElement;96        }97        public async Task<RequestSizesResult> SizesAsync()98        {99            if (await ResponseAsync().ConfigureAwait(false) is not IChannelOwner<Response> res)100            {101                throw new PlaywrightException("Unable to fetch resources sizes.");102            }103            return await ((ResponseChannel)res.Channel).SizesAsync().ConfigureAwait(false);104        }105        public async Task<Dictionary<string, string>> AllHeadersAsync()106            => (await GetRawHeadersAsync().ConfigureAwait(false)).Headers;107        public async Task<IReadOnlyList<Header>> HeadersArrayAsync()108            => (await GetRawHeadersAsync().ConfigureAwait(false)).HeadersArray;109        public async Task<string> HeaderValueAsync(string name)110            => (await GetRawHeadersAsync().ConfigureAwait(false)).Get(name);111        private Task<RawHeaders> GetRawHeadersAsync()112        {113            if (_rawHeadersTask == null)114            {115                _rawHeadersTask = GetRawHeadersTaskAsync();116            }117            return _rawHeadersTask;118        }119        private async Task<RawHeaders> GetRawHeadersTaskAsync()120        {121            var headers = await _channel.GetRawRequestHeadersAsync().ConfigureAwait(false);122            return new(headers);123        }124    }125}...

Response.cs

Source:Response.cs

...37    {38        private readonly ResponseChannel _channel;39        private readonly ResponseInitializer _initializer;40        private readonly TaskCompletionSource<string> _finishedTask;41        private readonly RawHeaders _headers;42        private Task<RawHeaders> _rawHeadersTask;43        internal Response(IChannelOwner parent, string guid, ResponseInitializer initializer) : base(parent, guid)44        {45            _channel = new(guid, parent.Connection, this);46            _initializer = initializer;47            _initializer.Request.Timing = _initializer.Timing;48            _finishedTask = new();49            _headers = new RawHeaders(_initializer.Headers.ConvertAll(x => new NameValueEntry(x.Name, x.Value)).ToArray());50        }51        public IFrame Frame => _initializer.Request.Frame;52        public Dictionary<string, string> Headers => _headers.Headers;53        public bool Ok => Status is 0 or >= 200 and <= 299;54        public IRequest Request => _initializer.Request;55        public int Status => _initializer.Status;56        public string StatusText => _initializer.StatusText;57        public string Url => _initializer.Url;58        ChannelBase IChannelOwner.Channel => _channel;59        IChannel<Response> IChannelOwner<Response>.Channel => _channel;60        public async Task<Dictionary<string, string>> AllHeadersAsync()61            => (await GetRawHeadersAsync().ConfigureAwait(false)).Headers;62        public Task<byte[]> BodyAsync() => _channel.GetBodyAsync();63        public Task<string> FinishedAsync() => _finishedTask.Task;64        public async Task<IReadOnlyList<Header>> HeadersArrayAsync()65            => (await GetRawHeadersAsync().ConfigureAwait(false)).HeadersArray;66        public async Task<string> HeaderValueAsync(string name)67            => (await GetRawHeadersAsync().ConfigureAwait(false)).Get(name);68        public async Task<IReadOnlyList<string>> HeaderValuesAsync(string name)69            => (await GetRawHeadersAsync().ConfigureAwait(false)).GetAll(name);70        public async Task<JsonElement?> JsonAsync()71        {72            byte[] content = await BodyAsync().ConfigureAwait(false);73            return JsonDocument.Parse(content).RootElement;74        }75        public Task<ResponseSecurityDetailsResult> SecurityDetailsAsync() => _channel.SecurityDetailsAsync();76        public Task<ResponseServerAddrResult> ServerAddrAsync() => _channel.ServerAddrAsync();77        public async Task<string> TextAsync()78        {79            byte[] content = await BodyAsync().ConfigureAwait(false);80            return Encoding.UTF8.GetString(content);81        }82        internal void ReportFinished(string erroMessage = null)83        {84            _finishedTask.SetResult(erroMessage);85        }86        private Task<RawHeaders> GetRawHeadersAsync()87        {88            if (_rawHeadersTask == null)89            {90                _rawHeadersTask = GetRawHeadersTaskAsync();91            }92            return _rawHeadersTask;93        }94        private async Task<RawHeaders> GetRawHeadersTaskAsync()95        {96            var headers = await _channel.GetRawHeadersAsync().ConfigureAwait(false);97            return new(headers);98        }99    }100}...

RawHeaders.cs

Source:RawHeaders.cs

...25using System.Collections.Generic;26using System.Linq;27namespace Microsoft.Playwright.Core28{29    internal class RawHeaders30    {31        private readonly Dictionary<string, List<string>> _headersMap = new();32        public RawHeaders(NameValueEntry[] headers)33        {34            HeadersArray = new(headers.Select(x => new Header() { Name = x.Name, Value = x.Value }));35            foreach (var entry in headers)36            {37                var name = entry.Name.ToLower();38                if (!_headersMap.TryGetValue(name, out List<string> values))39                {40                    values = new List<string>();41                    _headersMap[name] = values;42                }43                values.Add(entry.Value);44            }45        }46        public List<Header> HeadersArray { get; }...

RawHeaders

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7{8    {9        static async Task Main(string[] args)10        {11            var playwright = await Playwright.CreateAsync();12            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions13            {14            });15            var context = await browser.NewContextAsync();16            var page = await context.NewPageAsync();17            await page.ClickAsync("text=Sign in");18            await page.ClickAsync("input[name=\"identifier\"]");19            await page.TypeAsync("input[name=\"identifier\"]", "test");20            await page.ClickAsync("text=Next");21            await page.ClickAsync("input[name=\"password\"]");22            await page.TypeAsync("input[name=\"password\"]", "test");23            await page.ClickAsync("text=Next");24            var headers = page.Context.Requests.Last().Headers;25            var request = page.Context.Requests.Last();26            var response = page.Context.Responses.Last();27            var url = page.Context.Requests.Last().Url;28            var method = page.Context.Requests.Last().Method;29            var postData = page.Context.Requests.Last().PostData;30            var postDataText = page.Context.Requests.Last().PostDataText;31            var postDataJSON = page.Context.Requests.Last().PostDataJSON;32            var responseHeaders = page.Context.Responses.Last().Headers;33            var status = page.Context.Responses.Last().Status;34            var statusText = page.Context.Responses.Last().StatusText;35            var frame = page.Context.Requests.Last().Frame;36            var frameName = page.Context.Requests.Last().Frame.Name;37            var frameUrl = page.Context.Requests.Last().Frame.Url;38            var frameParentFrame = page.Context.Requests.Last().Frame.ParentFrame;39            var frameParentFrameName = page.Context.Requests.Last().Frame.ParentFrame.Name;40            var frameParentFrameUrl = page.Context.Requests.Last().Frame.ParentFrame.Url;41            var frameParentFrameParentFrame = page.Context.Requests.Last().Frame.ParentFrame.ParentFrame;42            var frameParentFrameParentFrameName = page.Context.Requests.Last().Frame.ParentFrame.ParentFrame.Name;

RawHeaders

Using AI Code Generation

1var playwright = Microsoft.Playwright.Playwright.CreateAsync().Result;2var browser = playwright.Chromium.LaunchAsync(new Microsoft.Playwright.LaunchOptions() { Headless = false }).Result;3var context = browser.NewContextAsync().Result;4var page = context.NewPageAsync().Result;5var rawHeaders = page.RawHeadersAsync().Result;6Console.WriteLine(rawHeaders);7page.CloseAsync().Wait();8context.CloseAsync().Wait();9browser.CloseAsync().Wait();10I am trying to get the raw HTTP headers of a page. I have tried using the RawHeadersAsync() method of the page class, but it returns an empty string. I have also tried using the RawRequestAsync() method of the request class, but it returns null. I have also tried using the RawResponseAsync() method of the response class, but it returns null. I am using the Microsoft.Playwright.Core package. I am using the .NET Framework

RawHeaders

Using AI Code Generation

1using Microsoft.Playwright.Core;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            var rawHeaders = new RawHeaders();12            rawHeaders.Add("Content-Type", "text/html");13            rawHeaders.Add("Content-Length", "1234");14            rawHeaders.Add("Content-Length", "4567");15            rawHeaders.Add("X-My-Header", "Hello");16            rawHeaders.Add("X-My-Header", "World");17            Console.WriteLine("Headers:");18            foreach (var header in rawHeaders)19            {20                Console.WriteLine($"{header.Key}: {string.Join(", ", header.Value)}");21            }22        }23    }24}

RawHeaders

Using AI Code Generation

1using Microsoft.Playwright;2var playwright = await Playwright.CreateAsync();3var browser = await playwright.Chromium.LaunchAsync();4var page = await browser.NewPageAsync();5var headers = await page.RawHeadersAsync();6Console.WriteLine(headers);7await browser.CloseAsync();8using Microsoft.Playwright;9var playwright = await Playwright.CreateAsync();10var browser = await playwright.Chromium.LaunchAsync();11var page = await browser.NewPageAsync();12var headers = request.Headers;13Console.WriteLine(headers);14await browser.CloseAsync();15So, the two methods are similar. However, the RawHeadersAsync() method of the Page class returns the headers in the form of a dictionary, while the Headers

RawHeaders

Using AI Code Generation

1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions3{4    Args = new string[] { "--window-size=1920,1080" }5});6var context = await browser.NewContextAsync(new BrowserNewContextOptions7{8    {9    }10});11var page = await context.NewPageAsync();12var headers = page.RawHeaders();13foreach (var item in headers)14{15    Console.WriteLine(item.Key + " : " + item.Value);16}17var specificHeader = page.RawHeaders("content-type");18Console.WriteLine(specificHeader);19await browser.CloseAsync();20await playwright.StopAsync();21var playwright = await Playwright.CreateAsync();22var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions23{24    Args = new string[] { "--window-size=1920,1080" }25});26var context = await browser.NewContextAsync(new BrowserNewContextOptions27{28    {29    }30});31var page = await context.NewPageAsync();32var headers = page.RawHeaders();33foreach (var item in headers)34{35    Console.WriteLine(item.Key + " : " + item.Value);36}37var specificHeader = page.RawHeaders("content-type");38Console.WriteLine(specificHeader);39await browser.CloseAsync();40await playwright.StopAsync();41var playwright = await Playwright.CreateAsync();42var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions43{44    Args = new string[] { "--window-size=1920,1080" }45});

RawHeaders

Using AI Code Generation

1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions3{4});5var context = await browser.NewContextAsync();6var page = await context.NewPageAsync();7await page.ClickAsync("input[title='Search']");8await page.TypeAsync("input[title='Search']", "Hello World");9await page.ClickAsync("input[value='Google Search']");10var rawHeaders = await page.GetRawHeadersAsync();11await browser.CloseAsync();12Console.WriteLine(rawHeaders);

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