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How to use BrowserContext class of PuppeteerSharp package

Best Puppeteer-sharp code snippet using PuppeteerSharp.BrowserContext

PuppeteerBrowserBuilder.cs

Source:PuppeteerBrowserBuilder.cs

...188                    Args = _browserProperties.ToArray()189                };190                var browser = await Puppeteer.LaunchAsync(launchOptions);191                var context = _isIncognito192                    ? await browser.CreateIncognitoBrowserContextAsync()193                    : browser.DefaultContext;194                return new ChromiumBrowser(_browserConfig, _delayService, _loggingContext, this, browser, context, _overridePermissions);195            }196        }197        private class ChromiumBrowser : IPuppeteerBrowser198        {199            private static readonly Regex RegexStripHtmlTags = new Regex("<.*?>");200            private readonly ILogger _logger;201            private readonly IBrowserViewPortConfig _browserConfig;202            private readonly IDelayService _delayService;203            private readonly Browser _browser;204            private readonly BrowserContext _browserContext;205            private readonly IPuppeteerContext _puppeteerContext;206            private readonly IEnumerable<OverridePermission> _overridePermissions;207            private readonly AsyncRetryPolicy _policyNoData;208            private readonly decimal[] _diagonalClickDevisors = new decimal[] {5, 4, 3, 2, 1.6M, 1.4M, 1.2M, 1.1M};209            public ChromiumBrowser(IBrowserViewPortConfig browserConfig, IDelayService delayService, ILoggingContext loggingContext, IPuppeteerContext puppeteerContext, 210                Browser browser, BrowserContext browserContext, IEnumerable<OverridePermission> overridePermissions)211            {212                _logger = loggingContext.CreateLogger<IPuppeteerBrowser>();213                _browserConfig = browserConfig;214                _delayService = delayService;215                _puppeteerContext = puppeteerContext;216                _browser = browser;217                _browserContext = browserContext;218                _overridePermissions = overridePermissions;219                if (puppeteerContext.BrowserEvents)220                {221                    _browser.Closed += _browser_Closed;222                    _browser.Disconnected += _browser_Disconnected;223                    _browser.TargetChanged += _browser_TargetChanged;224                    _browser.TargetCreated += _browser_TargetCreated;225                    _browser.TargetDestroyed += _browser_TargetDestroyed;226                }227                _policyNoData = Policy228                    .Handle<TimeoutException>().RetryAsync(_diagonalClickDevisors.Length,229                        (exception, retryN, context) =>230                        {231                            _logger.Warn($"Diagonal Clicks Try#{retryN}");232                        });233            }234            private void _browser_TargetDestroyed(object sender, TargetChangedArgs e)235            {236                _logger.Warn($"Browser: Target has been destroyed");237            }238            private void _browser_TargetCreated(object sender, TargetChangedArgs e)239            {240                _logger.Warn($"Browser: Target has been created");241            }242            private void _browser_TargetChanged(object sender, TargetChangedArgs e)243            {244                _logger.Warn($"Browser: Target has been changed");245            }246            private void _browser_Disconnected(object sender, EventArgs e)247            {248                _logger.Warn("Browser has been disconnected");249            }250            private void _browser_Closed(object sender, EventArgs e)251            {252                _logger.Warn("Browser has been closed");253            }254            /// <summary>255            /// Setup the chromium for browser automation256            /// </summary>257            /// <returns></returns>258            async Task IPuppeteerBrowser.ClickAsync(Page page, string clickPlace, ClickOptions clickOptions)259            {260                await page.ClickAsync(clickPlace, clickOptions);261            } 262            async Task<string> IPuppeteerBrowser.GetContentAsync(Page page)263            {264                return await page.GetContentAsync();265            }266            async Task<Page> IPuppeteerBrowser.WaitGetPage(Page page, string selector, string targetId)267            { 268                var newTarget = await _browserContext.WaitForTargetAsync(a => a.Opener?.TargetId == targetId, new WaitForOptions { Timeout = 10 * 1000 });269                var newPage = await newTarget.PageAsync();270                await SetPageOptions(newPage);271                await newPage.WaitForSelectorAsync(selector);272                return newPage;273            }274            async Task IPuppeteerBrowser.CloseAsync()275            {276                await _browser.CloseAsync();277            }278            async Task<Page> IPuppeteerBrowser.ClickAndGetPage(ElementHandle element, string targetId)279            {280                await element.ClickAsync();281                var newTarget = await _browserContext.WaitForTargetAsync(a => a.Opener?.TargetId == targetId);282                var newPage = await newTarget.PageAsync();283                await SetPageOptions(newPage);284                return newPage;285            }286            async Task<Page> IPuppeteerBrowser.MouseClickAndGetPage(BoundingBox box, Page page)287            {288                int retryN = 0;289                return await _policyNoData.ExecuteAsync(async () =>290                {291                    var pages = await _browserContext.PagesAsync();292                    var pageCount = pages.Length;293                    var listId = new List<string>();294                    foreach (var page1 in pages)295                    {296                        var id = page1.Target?.TargetId;297                        listId.Add(id);298                    }299                    await page.Keyboard.DownAsync("Control");300                    await page.Mouse.ClickAsync(box.X + (box.Width / _diagonalClickDevisors[retryN]), box.Y + (box.Height / _diagonalClickDevisors[retryN]));301                    await page.Keyboard.UpAsync("Control");302                    var pages1 = await _browserContext.PagesAsync();303                    if (pages1.Length <= pageCount)304                    {305                        retryN++;306                        throw new TimeoutException();307                    }308                    var newPage = pages1.FirstOrDefault(a => !listId.Contains(a.Target?.TargetId));309                    if (newPage == null)310                    {311                        throw new InvalidOperationException("Page not found after click");312                    }313                    if (_puppeteerContext.DialogHandler != null)314                    {315                        newPage.Dialog += _puppeteerContext.DialogHandler;316                    }317                    await SetPageOptions(newPage);318                    return newPage;319                });320            }321            async Task<Page> IPuppeteerBrowser.ClickAndGetPage(ElementHandle element, string targetId, WaitForOptions waitForOptions)322            {323                await element.ClickAsync();324                var newTarget = await _browserContext.WaitForTargetAsync(a => a.Opener?.TargetId == targetId, waitForOptions);325                var newPage = await newTarget.PageAsync();326                await SetPageOptions(newPage);327                return newPage;328            }329            async Task<string> IPuppeteerBrowser.ClickButtonForContinue(Page page, string buttonXPath, string adUrl, params WaitUntilNavigation[] waitUntilNavigations)330            {331                var continueButtons = page.XPathAsync(buttonXPath);332                _logger.Info($"Needed click on button for continue. Url: {adUrl}");333                foreach (var continueButton in await continueButtons)334                {335                    _logger.Debug($"Will click on {buttonXPath}");336                    await continueButton.ClickAsync();337                    var navigationTask = page.WaitForNavigationAsync(new NavigationOptions338                    {339                        WaitUntil = waitUntilNavigations340                    });341                    if (await Task.WhenAny(navigationTask, _delayService.DelayAsync(TimeSpan.FromSeconds(30))) == navigationTask)342                    {343                        _logger.Info($"Returned new url:'{page.Url}'");344                        if (!page.Url.Contains("redirect/verify"))345                        {346                            return page.Url;347                        }348                    }349                    return string.Empty;350                }351                return string.Empty;352            }353            async Task<Page[]> IPuppeteerBrowser.GetPages()354            {355                return await _browserContext.PagesAsync();356            }357            async Task<string> IPuppeteerBrowser.GetFramePage(string iframeSrc)358            {359                using (var multiVideopage = await _browserContext.NewPageAsync())360                {361                    await SetPageOptions(multiVideopage);362                    await multiVideopage.GoToAsync(iframeSrc, Convert.ToInt32(_puppeteerContext.PageLoadTimeout.TotalMilliseconds), new WaitUntilNavigation[] { WaitUntilNavigation.DOMContentLoaded, WaitUntilNavigation.Load, WaitUntilNavigation.Networkidle0, WaitUntilNavigation.Networkidle2 });363                    var data = await multiVideopage.GetContentAsync();364                    return data;365                }366            }367            async Task<string> IPuppeteerBrowser.GetFramePage(Page page, string frameName)368            {369                var googlAdsFrame1 = page.Frames.ToList().FirstOrDefault(x => x.Name == frameName);370                if (googlAdsFrame1 == null)371                {372                    return null;373                }374                return await googlAdsFrame1.GetContentAsync();375            }376            377            async Task<string> IPuppeteerBrowser.GetVideoAdsOnUrl(Page page, string xPath)378            {379                var elementToclick = await page.WaitForXPathAsync(xPath);380                if (elementToclick != null)      381                {382                    await elementToclick.ClickAsync();383                    return await page.EvaluateFunctionAsync<string>("() => navigator.clipboard.readText()");384                }385                _logger.Debug("GetVideoAdsOnUrl: elementToclick is null");386                return null;387            }388            /// <summary>389            /// Returns IpDetails by the specified url390            /// </summary>391            /// <param name="ipFetcherUrl">The ip details provider url.</param>392            /// <returns>The instance of <see cref="IpDetails"></see></returns>393            async Task<IpDetails> IPuppeteerBrowser.GetIpDetails(string ipFetcherUrl)394            {395                IpDetails ipDetails = await GetIpDetailsInternal(ipFetcherUrl);396                return ipDetails ?? new IpDetails397                {398                    City = "N/A",399                    ContinentName = "N/A",400                    CountryCode = "N/A",401                    CountryName = "N/A",402                    IpAddress = "127.0.0.1",403                    State = "N/A",404                    ContinentCode = "N/A"405                };406            }407            /// <summary>408            /// Returns IpDetails by the specified url and, in case of error, returns the default country code and country name409            /// </summary>410            /// <param name="ipFetcherUrl">The ip details provider url.</param>411            /// <param name="defaultCountryCode">The country code tu return default details.</param>412            /// <returns>The instance of <see cref="IpDetails"></see></returns>413            async Task<IpDetails> IPuppeteerBrowser.GetIpDetails(string ipFetcherUrl, string defaultCountryCode)414            {415                IpDetails ipDetails = await GetIpDetailsInternal(ipFetcherUrl);416                return ipDetails ?? new IpDetails417                {418                    City = "N/A",419                    ContinentName = "N/A",420                    CountryCode = defaultCountryCode,421                    CountryName = References.Countries[defaultCountryCode],422                    IpAddress = "127.0.0.1",423                    State = "N/A",424                    ContinentCode = "N/A"425                };426            }427            async Task<string> IPuppeteerBrowser.GetPageContent(string stringUrl, params WaitUntilNavigation[] waitUntilNavigations)428            {429                return await GetPageContentInternalAsync(stringUrl, waitUntilNavigations);430            }431            private async Task SetPageOptions(Page page)432            {433                var viewPortOptions = new ViewPortOptions434                { Width = _browserConfig.WindowWidth, Height = _browserConfig.WindowHeight };435                await page.SetViewportAsync(viewPortOptions);436                if (!string.IsNullOrWhiteSpace(_puppeteerContext.ProxyUserName))437                {438                    await page.AuthenticateAsync(new Credentials439                    {440                        Username = _puppeteerContext.ProxyUserName,441                        Password = _puppeteerContext.ProxyPwd442                    });443                }444            }445            async Task<Page> IPuppeteerBrowser.GetPage(string url, TimeSpan? timeoutPageLoad, params WaitUntilNavigation[] waitUntilNavigations)446            {447                var page = await GoToPageAsync(url, timeoutPageLoad, waitUntilNavigations);448                if (_overridePermissions?.Any() ?? false)449                {450                    await page.BrowserContext.OverridePermissionsAsync(page.Url,451                        new []452                        {453                            OverridePermission.ClipboardWrite, OverridePermission.ClipboardRead,454                            OverridePermission.AccessibilityEvents, OverridePermission.BackgroundSync,455                            OverridePermission.Geolocation, OverridePermission.Microphone, OverridePermission.Notifications,456                            OverridePermission.PaymentHandler/*, OverridePermission.Push*/457                        });458                }459                return page;460            }461            async Task<string> IPuppeteerBrowser.GetScrolledPage(string url, int maxScroll, params WaitUntilNavigation[] waitUntilNavigations)462            {463                var pageResult = string.Empty;464                try...

Browser.cs

Source:Browser.cs

...57            IgnoreHTTPSErrors = ignoreHTTPSErrors;58            DefaultViewport = defaultViewport;59            TargetsMap = new Dictionary<string, Target>();60            ScreenshotTaskQueue = new TaskQueue();61            DefaultContext = new BrowserContext(Connection, this, null);62            _contexts = contextIds.ToDictionary(keySelector: contextId => contextId,63                elementSelector: contextId => new BrowserContext(Connection, this, contextId));64            Connection.Closed += (object sender, EventArgs e) => Disconnected?.Invoke(this, new EventArgs());65            Connection.MessageReceived += Connect_MessageReceived;66            _chromiumProcess = chromiumProcess;67            _logger = Connection.LoggerFactory.CreateLogger<Browser>();68        }69        #region Private members70        internal readonly Dictionary<string, Target> TargetsMap;71        private readonly Dictionary<string, BrowserContext> _contexts;72        private readonly ILogger<Browser> _logger;73        private readonly ChromiumProcess _chromiumProcess;74        private Task _closeTask;75        #endregion76        #region Properties77        /// <summary>78        /// 79        /// </summary>80        public event EventHandler Closed;81        /// <summary>82        /// Raised when puppeteer gets disconnected from the Chromium instance. This might happen because one of the following83        /// - Chromium is closed or crashed84        /// - <see cref="Disconnect"/> method was called85        /// </summary>86        public event EventHandler Disconnected;87        /// <summary>88        /// Raised when the url of a target changes89        /// </summary>90        public event EventHandler<TargetChangedArgs> TargetChanged;91        /// <summary>92        /// Raised when a target is created, for example when a new page is opened by <c>window.open</c> <see href="https://developer.mozilla.org/en-US/docs/Web/API/Window/open"/> or <see cref="NewPageAsync"/>.93        /// </summary>94        public event EventHandler<TargetChangedArgs> TargetCreated;95        /// <summary>96        /// Raised when a target is destroyed, for example when a page is closed97        /// </summary>98        public event EventHandler<TargetChangedArgs> TargetDestroyed;99        /// <summary>100        /// Gets the Browser websocket url101        /// </summary>102        /// <remarks>103        /// Browser websocket endpoint which can be used as an argument to <see cref="Puppeteer.ConnectAsync(ConnectOptions, ILoggerFactory)"/>.104        /// The format is <c>ws://${host}:${port}/devtools/browser/[id]</c>105        /// You can find the <c>webSocketDebuggerUrl</c> from <c>http://${host}:${port}/json/version</c>.106        /// Learn more about the devtools protocol <see href="https://chromedevtools.github.io/devtools-protocol"/> 107        /// and the browser endpoint <see href="https://chromedevtools.github.io/devtools-protocol/#how-do-i-access-the-browser-target"/>108        /// </remarks>109        public string WebSocketEndpoint => Connection.Url;110        /// <summary>111        /// Gets the spawned browser process. Returns <c>null</c> if the browser instance was created with <see cref="Puppeteer.ConnectAsync(ConnectOptions, ILoggerFactory)"/> method.112        /// </summary>113        public Process Process => _chromiumProcess?.Process;114        /// <summary>115        /// Gets or Sets whether to ignore HTTPS errors during navigation116        /// </summary>117        public bool IgnoreHTTPSErrors { get; set; }118        /// <summary>119        /// Gets a value indicating if the browser is closed120        /// </summary>121        public bool IsClosed => _closeTask != null && _closeTask.IsCompleted && _closeTask.Exception != null;122        /// <summary>123        /// Returns the default browser context. The default browser context can not be closed.124        /// </summary>125        /// <value>The default context.</value>126        public BrowserContext DefaultContext { get; }127        internal TaskQueue ScreenshotTaskQueue { get; set; }128        internal Connection Connection { get; }129        internal ViewPortOptions DefaultViewport { get; }130        #endregion131        #region Public Methods132        /// <summary>133        /// Creates a new page134        /// </summary>135        /// <returns>Task which resolves to a new <see cref="Page"/> object</returns>136        public Task<Page> NewPageAsync() => DefaultContext.NewPageAsync();137        /// <summary>138        /// Returns An Array of all active targets139        /// </summary>140        /// <returns>An Array of all active targets</returns>141        public Target[] Targets() => TargetsMap.Values.Where(target => target.IsInitialized).ToArray();142        /// <summary>143        /// A target associated with the browser.144        /// </summary>145        public Target Target => Targets().FirstOrDefault(t => t.Type == TargetType.Browser);146        /// <summary>147        /// Creates a new incognito browser context. This won't share cookies/cache with other browser contexts.148        /// </summary>149        /// <returns>Task which resolves to a new <see cref="BrowserContext"/> object</returns>150        /// <example>151        /// <code>152        /// <![CDATA[153        /// using(var browser = await Puppeteer.LaunchAsync(new LaunchOptions()))154        /// {155        ///     // Create a new incognito browser context.156        ///     var context = await browser.CreateIncognitoBrowserContextAsync();157        ///     // Create a new page in a pristine context.158        ///     var page = await context.NewPageAsync();159        ///     // Do stuff160        ///     await page.GoToAsync("https://example.com");161        /// }162        /// ]]>163        /// </code>164        /// </example>165        public async Task<BrowserContext> CreateIncognitoBrowserContextAsync()166        {167            var response = await Connection.SendAsync<CreateBrowserContextResponse>("Target.createBrowserContext", new { }).ConfigureAwait(false);168            var context = new BrowserContext(Connection, this, response.BrowserContextId);169            _contexts[response.BrowserContextId] = context;170            return context;171        }172        /// <summary>173        /// Returns an array of all open <see cref="BrowserContext"/>. In a newly created browser, this will return a single instance of <see cref="BrowserContext"/>174        /// </summary>175        /// <returns>An array of <see cref="BrowserContext"/> objects</returns>176        public BrowserContext[] BrowserContexts()177        {178            var allContexts = new BrowserContext[_contexts.Count + 1];179            allContexts[0] = DefaultContext;180            _contexts.Values.CopyTo(allContexts, 1);181            return allContexts;182        }183        /// <summary>184        /// Returns a Task which resolves to an array of all open pages.185        /// Non visible pages, such as <c>"background_page"</c>, will not be listed here. You can find them using <see cref="Target.PageAsync"/>186        /// </summary>187        /// <returns>Task which resolves to an array of all open pages inside the Browser. 188        /// In case of multiple browser contexts, the method will return an array with all the pages in all browser contexts.189        /// </returns>190        public async Task<Page[]> PagesAsync()191            => (await Task.WhenAll(192                BrowserContexts().Select(t => t.PagesAsync())).ConfigureAwait(false)193               ).SelectMany(p => p).ToArray();194        /// <summary>195        /// Gets the browser's version196        /// </summary>197        /// <returns>For headless Chromium, this is similar to <c>HeadlessChrome/61.0.3153.0</c>. For non-headless, this is similar to <c>Chrome/61.0.3153.0</c></returns>198        /// <remarks>199        /// the format of <see cref="GetVersionAsync"/> might change with future releases of Chromium200        /// </remarks>201        public async Task<string> GetVersionAsync()202        {203            var version = await Connection.SendAsync("Browser.getVersion").ConfigureAwait(false);204            return version[MessageKeys.Product].AsString();205        }206        /// <summary>207        /// Gets the browser's original user agent208        /// </summary>209        /// <returns>Task which resolves to the browser's original user agent</returns>210        /// <remarks>211        /// Pages can override browser user agent with <see cref="Page.SetUserAgentAsync(string)"/>212        /// </remarks>213        public async Task<string> GetUserAgentAsync()214        {215            var version = await Connection.SendAsync("Browser.getVersion").ConfigureAwait(false);216            return version[MessageKeys.UserAgent].AsString();217        }218        /// <summary>219        /// Disconnects Puppeteer from the browser, but leaves the Chromium process running. After calling <see cref="Disconnect"/>, the browser object is considered disposed and cannot be used anymore220        /// </summary>221        public void Disconnect() => Connection.Dispose();222        /// <summary>223        /// Closes Chromium and all of its pages (if any were opened). The browser object itself is considered disposed and cannot be used anymore224        /// </summary>225        /// <returns>Task</returns>226        public Task CloseAsync() => _closeTask ?? (_closeTask = CloseCoreAsync());227        private async Task CloseCoreAsync()228        {229            try230            {231                try232                {233                    // Initiate graceful browser close operation but don't await it just yet,234                    // because we want to ensure chromium process shutdown first.235                    var browserCloseTask = Connection.SendAsync("Browser.close", null);236                    if (_chromiumProcess != null)237                    {238                        // Notify chromium process that exit is expected, but should be enforced if it239                        // doesn't occur withing the close timeout.240                        var closeTimeout = TimeSpan.FromMilliseconds(CloseTimeout);241                        await _chromiumProcess.EnsureExitAsync(closeTimeout).ConfigureAwait(false);242                    }243                    // Now we can safely await the browser close operation without risking keeping chromium244                    // process running for indeterminate period.245                    await browserCloseTask.ConfigureAwait(false);246                }247                finally248                {249                    Disconnect();250                }251            }252            catch (Exception ex)253            {254                _logger.LogError(ex, ex.Message);255                if (_chromiumProcess != null)256                {257                    await _chromiumProcess.KillAsync().ConfigureAwait(false);258                }259            }260            Closed?.Invoke(this, new EventArgs());261        }262        #endregion263        #region Private Methods264        internal void ChangeTarget(Target target)265        {266            var args = new TargetChangedArgs { Target = target };267            TargetChanged?.Invoke(this, args);268            target.BrowserContext.OnTargetChanged(this, args);269        }270        internal async Task<Page> CreatePageInContextAsync(string contextId)271        {272            var args = new Dictionary<string, object> { [MessageKeys.Url] = "about:blank" };273            if (contextId != null)274            {275                args[MessageKeys.BrowserContextId] = contextId;276            }277            var targetId = (await Connection.SendAsync("Target.createTarget", args).ConfigureAwait(false))[MessageKeys.TargetId].ToString();278            var target = TargetsMap[targetId];279            await target.InitializedTask.ConfigureAwait(false);280            return await target.PageAsync().ConfigureAwait(false);281        }282        internal async Task DisposeContextAsync(string contextId)283        {284            await Connection.SendAsync("Target.disposeBrowserContext", new { browserContextId = contextId }).ConfigureAwait(false);285            _contexts.Remove(contextId);286        }287        private async void Connect_MessageReceived(object sender, MessageEventArgs e)288        {289            switch (e.MessageID)290            {291                case "Target.targetCreated":292                    await CreateTargetAsync(e.MessageData.ToObject<TargetCreatedResponse>()).ConfigureAwait(false);293                    return;294                case "Target.targetDestroyed":295                    await DestroyTargetAsync(e.MessageData.ToObject<TargetDestroyedResponse>()).ConfigureAwait(false);296                    return;297                case "Target.targetInfoChanged":298                    ChangeTargetInfo(e.MessageData.ToObject<TargetCreatedResponse>());299                    return;300            }301        }302        private void ChangeTargetInfo(TargetCreatedResponse e)303        {304            if (!TargetsMap.ContainsKey(e.TargetInfo.TargetId))305            {306                throw new InvalidTargetException("Target should exists before ChangeTargetInfo");307            }308            var target = TargetsMap[e.TargetInfo.TargetId];309            target.TargetInfoChanged(e.TargetInfo);310        }311        private async Task DestroyTargetAsync(TargetDestroyedResponse e)312        {313            if (!TargetsMap.ContainsKey(e.TargetId))314            {315                throw new InvalidTargetException("Target should exists before DestroyTarget");316            }317            var target = TargetsMap[e.TargetId];318            TargetsMap.Remove(e.TargetId);319            target.CloseTaskWrapper.TrySetResult(true);320            if (await target.InitializedTask.ConfigureAwait(false))321            {322                var args = new TargetChangedArgs { Target = target };323                TargetDestroyed?.Invoke(this, args);324                target.BrowserContext.OnTargetDestroyed(this, args);325            }326        }327        private async Task CreateTargetAsync(TargetCreatedResponse e)328        {329            var targetInfo = e.TargetInfo;330            var browserContextId = targetInfo.BrowserContextId;331            if (!(browserContextId != null && _contexts.TryGetValue(browserContextId, out var context)))332            {333                context = DefaultContext;334            }335            var target = new Target(336                e.TargetInfo,337                info => Connection.CreateSessionAsync(info),338                context);339            if (TargetsMap.ContainsKey(e.TargetInfo.TargetId))340            {341                _logger.LogError("Target should not exist before targetCreated");342            }343            TargetsMap[e.TargetInfo.TargetId] = target;344            if (await target.InitializedTask.ConfigureAwait(false))...

UCFullPageScreenShot.cs

Source:UCFullPageScreenShot.cs

...142                    IgnoreHTTPSErrors = true,143                };144                using (var browser = await Puppeteer.LaunchAsync(option))145                {146                    BrowserContext browserContext = browser.DefaultContext;147                    //if (saveHis)148                    //{149                    //    browserContext = await browser.CreateIncognitoBrowserContextAsync();150                    //}151                    var page = await browserContext.NewPageAsync();152                    await page.SetUserAgentAsync(_userAgent);153                    await page.SetViewportAsync(new ViewPortOptions154                    {155                        Width = Screen.PrimaryScreen.WorkingArea.Width,156                        Height = Screen.PrimaryScreen.WorkingArea.Height157                    });158                    159                    if (!changeCountry.Contains("è¯·éæ©") && _CountryModels.Any())160                    {161                        OnShowTooltipInfo("åå§åé¦é¡µåå®¹,å¼å§åæ¢å½å®¶");162                        //var zips = Properties.Resources.zip.Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);163                        //var zip = zips.OrderBy(m => Guid.NewGuid()).First();                       ...

BrowserContext.cs

Source:BrowserContext.cs

...5using PuppeteerSharp.Messaging;6namespace PuppeteerSharp7{8    /// <summary>9    /// BrowserContexts provide a way to operate multiple independent browser sessions. When a browser is launched, it has10    /// a single <see cref="BrowserContext"/> used by default. The method <see cref="Browser.NewPageAsync"/> creates a <see cref="Page"/> in the default <see cref="BrowserContext"/>11    /// </summary>12    public class BrowserContext13    {14        private readonly Connection _connection;15        private readonly string _id;16        internal BrowserContext(Connection connection, Browser browser, string contextId)17        {18            _connection = connection;19            Browser = browser;20            _id = contextId;21        }22        /// <summary>23        /// Raised when the url of a target changes24        /// </summary>25        public event EventHandler<TargetChangedArgs> TargetChanged;26        /// <summary>27        /// Raised when a target is created, for example when a new page is opened by <c>window.open</c> <see href="https://developer.mozilla.org/en-US/docs/Web/API/Window/open"/> or <see cref="NewPageAsync"/>.28        /// </summary>29        public event EventHandler<TargetChangedArgs> TargetCreated;30        /// <summary>31        /// Raised when a target is destroyed, for example when a page is closed32        /// </summary>33        public event EventHandler<TargetChangedArgs> TargetDestroyed;34        /// <summary>35        /// Returns whether BrowserContext is incognito36        /// The default browser context is the only non-incognito browser context37        /// </summary>38        /// <remarks>39        /// The default browser context cannot be closed40        /// </remarks>41        public bool IsIncognito => _id != null;42        /// <summary>43        /// Gets the browser this browser context belongs to44        /// </summary>45        public Browser Browser { get; }46        /// <summary>47        /// Gets an array of all active targets inside the browser context 48        /// </summary>49        /// <returns>An array of all active targets inside the browser context</returns>50        public Target[] Targets() => Array.FindAll(Browser.Targets(), target => target.BrowserContext == this);51        /// <summary>52        /// This searches for a target in this specific browser context.53        /// <example>54        /// <code>55        /// <![CDATA[56        /// await page.EvaluateAsync("() => window.open('https://www.example.com/')");57        /// var newWindowTarget = await browserContext.WaitForTargetAsync((target) => target.Url == "https://www.example.com/");58        /// ]]>59        /// </code>60        /// </example>61        /// </summary>62        /// <param name="predicate">A function to be run for every target</param>63        /// <param name="options">options</param>64        /// <returns>Resolves to the first target found that matches the predicate function.</returns>65        public Task<Target> WaitForTargetAsync(Func<Target, bool> predicate, WaitForOptions options = null)66            => Browser.WaitForTargetAsync((target) => target.BrowserContext == this && predicate(target), options);67        /// <summary>68        /// An array of all pages inside the browser context.69        /// </summary>70        /// <returns>Task which resolves to an array of all open pages. 71        /// Non visible pages, such as <c>"background_page"</c>, will not be listed here. 72        /// You can find them using <see cref="Target.PageAsync"/>.</returns>73        public async Task<Page[]> PagesAsync()74        => (await Task.WhenAll(75            Targets().Where(t => t.Type == TargetType.Page).Select(t => t.PageAsync())).ConfigureAwait(false)76           ).Where(p => p != null).ToArray();77        /// <summary>78        /// Creates a new page79        /// </summary>80        /// <returns>Task which resolves to a new <see cref="Page"/> object</returns>81        public Task<Page> NewPageAsync() => Browser.CreatePageInContextAsync(_id);82        /// <summary>83        /// Closes the browser context. All the targets that belong to the browser context will be closed84        /// </summary>85        /// <returns>Task</returns>86        public Task CloseAsync()87        {88            if (_id == null)89            {90                throw new PuppeteerException("Non-incognito profiles cannot be closed!");91            }92            return Browser.DisposeContextAsync(_id);93        }94        /// <summary>95        /// Overrides the browser context permissions.96        /// </summary>97        /// <returns>The task.</returns>98        /// <param name="origin">The origin to grant permissions to, e.g. "https://example.com"</param>99        /// <param name="permissions">100        /// An array of permissions to grant. All permissions that are not listed here will be automatically denied.101        /// </param>102        /// <example>103        /// <![CDATA[104        /// var context = browser.DefaultBrowserContext;105        /// await context.OverridePermissionsAsync("https://html5demos.com", new List<string> {"geolocation"});106        /// ]]>107        /// </example>108        /// <seealso href="https://developer.mozilla.org/en-US/docs/Glossary/Origin"/>109        public Task OverridePermissionsAsync(string origin, IEnumerable<OverridePermission> permissions)110            => _connection.SendAsync("Browser.grantPermissions", new BrowserGrantPermissionsRequest111            {112                Origin = origin,113                BrowserContextId = _id,114                Permissions = permissions.ToArray()115            });116        /// <summary>117        /// Clears all permission overrides for the browser context.118        /// </summary>119        /// <returns>The task.</returns>120        public Task ClearPermissionOverridesAsync()121            => _connection.SendAsync("Browser.resetPermissions", new BrowserResetPermissionsRequest122            {123                BrowserContextId = _id124            });125        internal void OnTargetCreated(Browser browser, TargetChangedArgs args) => TargetCreated?.Invoke(browser, args);126        internal void OnTargetDestroyed(Browser browser, TargetChangedArgs args) => TargetDestroyed?.Invoke(browser, args);127        internal void OnTargetChanged(Browser browser, TargetChangedArgs args) => TargetChanged?.Invoke(browser, args);128    }129}...

Target.cs

Source:Target.cs

...19        internal bool IsInitialized;20        internal Target(21            TargetInfo targetInfo,22            Func<TargetInfo, Task<CDPSession>> sessionFactory,23            BrowserContext browserContext)24        {25            _targetInfo = targetInfo;26            _targetId = targetInfo.TargetId;27            _sessionFactory = sessionFactory;28            BrowserContext = browserContext;29            _pageTask = null;30            InitilizedTaskWrapper = new TaskCompletionSource<bool>();31            CloseTaskWrapper = new TaskCompletionSource<bool>();32            IsInitialized = _targetInfo.Type != TargetType.Page || _targetInfo.Url != string.Empty;33            if (IsInitialized)34            {35                InitilizedTaskWrapper.SetResult(true);36            }37        }38        #region Properties39        /// <summary>40        /// Gets the URL.41        /// </summary>42        /// <value>The URL.</value>43        public string Url => _targetInfo.Url;44        /// <summary>45        /// Gets the type. It will be <see cref="TargetInfo.Type"/> if it's "page" or "service_worker". Otherwise it will be "other"46        /// </summary>47        /// <value>The type.</value>48        public TargetType Type => _targetInfo.Type;49        /// <summary>50        /// Gets the target identifier.51        /// </summary>52        /// <value>The target identifier.</value>53        public string TargetId => _targetInfo.TargetId;54        /// <summary>55        /// Get the target that opened this target56        /// </summary>57        /// <remarks>58        /// Top-level targets return <c>null</c>.59        /// </remarks>60        public Target Opener => _targetInfo.OpenerId != null ?61            Browser.TargetsMap.GetValueOrDefault(_targetInfo.OpenerId) : null;62        /// <summary>63        /// Get the browser the target belongs to.64        /// </summary>65        public Browser Browser => BrowserContext.Browser;66        /// <summary>67        /// Get the browser context the target belongs to.68        /// </summary>69        public BrowserContext BrowserContext { get; }70        internal Task<bool> InitializedTask => InitilizedTaskWrapper.Task;71        internal TaskCompletionSource<bool> InitilizedTaskWrapper { get; }72        internal Task CloseTask => CloseTaskWrapper.Task;73        internal TaskCompletionSource<bool> CloseTaskWrapper { get; }74        #endregion75        /// <summary>76        /// Creates a new <see cref="Page"/>. If the target is not <c>"page"</c> or <c>"background_page"</c> returns <c>null</c>77        /// </summary>78        /// <returns>a task that returns a new <see cref="Page"/></returns>79        public Task<Page> PageAsync()80        {81            if ((_targetInfo.Type == TargetType.Page || _targetInfo.Type == TargetType.BackgroundPage) && _pageTask == null)82            {83                _pageTask = CreatePageAsync();...

BrowserContextAccessor.cs

Source:BrowserContextAccessor.cs

1ï»¿using PuppeteerSharp;2using WishAndGet.Infrastructure;3namespace WishAndGet4{5    public class BrowserContextAccessor : IAsyncDisposable6    {7        private readonly AsyncLazy<BrowserContext> browserContext = new(InitializeBrowserContext);8        private static async Task<BrowserContext> InitializeBrowserContext()9        {10            var browserFetcher = new BrowserFetcher();11            await browserFetcher.DownloadAsync().AnyContext();12            var browser = await Puppeteer.LaunchAsync(13                new LaunchOptions { Headless = true });14            return await browser.CreateIncognitoBrowserContextAsync();15        }16        public Task<BrowserContext> GetBrowserContextAsync() => browserContext.Value;17        async ValueTask IAsyncDisposable.DisposeAsync()18        {19            GC.SuppressFinalize(this);20            if (browserContext.IsValueCreated)21            {22                var value = await browserContext.Value.AnyContext();23                await value.CloseAsync();24                await value.Browser.DisposeAsync().ConfigureAwait(false);25            }26        }27    }28}...

BrowserContextTests.cs

Source:BrowserContextTests.cs

...4using Xunit.Abstractions;5namespace PuppeteerSharp.Tests.PageTests6{7    [Collection(TestConstants.TestFixtureCollectionName)]8    public class BrowserContextTests : PuppeteerPageBaseTest9    {10        public BrowserContextTests(ITestOutputHelper output) : base(output)11        {12        }13        [PuppeteerTest("page.spec.ts", "Page.browserContext", "should return the correct browser context instance")]14        [PuppeteerFact]15        public void ShouldReturnTheCorrectBrowserInstance() => Assert.Same(Context, Page.BrowserContext);16    }17}...

PuppeteerBrowserContextBaseTest.cs

Source:PuppeteerBrowserContextBaseTest.cs

...3using Xunit;4using Xunit.Abstractions;5namespace PuppeteerSharp.Tests6{7    public class PuppeteerBrowserContextBaseTest : PuppeteerBrowserBaseTest8    {9        public PuppeteerBrowserContextBaseTest(ITestOutputHelper output) : base(output)10        {11        }12        protected BrowserContext Context { get; set; }13        public override async Task InitializeAsync()14        {15            await base.InitializeAsync();16            Context = await Browser.CreateIncognitoBrowserContextAsync();17        }18    }19}...

BrowserContext

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.ScreenshotAsync("google.png");14            await browser.CloseAsync();15        }16    }17}18using System;19using System.Threading.Tasks;20using PuppeteerSharp;21{22    {23        static async Task Main(string[] args)24        {25            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);26            var browser = await Puppeteer.LaunchAsync(new LaunchOptions27            {28            });29            var context = await browser.CreateIncognitoBrowserContextAsync();30            var page = await context.NewPageAsync();31            await page.ScreenshotAsync("google.png");32            await browser.CloseAsync();33        }34    }35}36using System;37using System.Threading.Tasks;38using PuppeteerSharp;39{40    {41        static async Task Main(string[] args)42        {43            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);44            var browser = await Puppeteer.LaunchAsync(new LaunchOptions45            {46            });47            var context = await browser.CreateIncognitoBrowserContextAsync();48            var page = await context.NewPageAsync();49            await page.ScreenshotAsync("google.png");50            await context.CloseAsync();51            await browser.CloseAsync();52        }53    }54}55using System;56using System.Threading.Tasks;57using PuppeteerSharp;58{59    {60        static async Task Main(string[] args)61        {62            await new BrowserFetcher().DownloadAsync(BrowserFetcher.Default

BrowserContext

Using AI Code Generation

1using System;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            var browser = await Puppeteer.LaunchAsync(new LaunchOptions8            {9            });10            var page = await browser.NewPageAsync();11            Console.ReadLine();12        }13    }14}

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