Functions/GenXdev.Webbrowser.Playwright/Connect-PlaywrightViaDebuggingPort.cs
// ################################################################################
// Part of PowerShell module : GenXdev.Webbrowser.Playwright // Original cmdlet filename : Connect-PlaywrightViaDebuggingPort.cs // Original author : René Vaessen / GenXdev // Version : 1.302.2025 // ################################################################################ // Copyright (c) René Vaessen / GenXdev // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // ################################################################################ using System; using System.Collections; using System.Management.Automation; namespace GenXdev.Webbrowser.Playwright { /// <summary> /// <para type="synopsis"> /// Connects to an existing browser instance via debugging port. /// </para> /// /// <para type="description"> /// Establishes a connection to a running Chromium-based browser instance using the /// WebSocket debugger URL. Creates a Playwright instance and connects over CDP /// (Chrome DevTools Protocol). The connected browser instance is stored in a global /// dictionary for later reference. Automatically handles consent for /// Microsoft.Playwright NuGet package installation. /// </para> /// /// <para type="description"> /// PARAMETERS /// </para> /// /// <para type="description"> /// -WsEndpoint <string><br/> /// The WebSocket URL for connecting to the browser's debugging port. This URL /// typically follows the format 'ws://hostname:port/devtools/browser/<id>'.<br/> /// - <b>Position</b>: 0<br/> /// - <b>Mandatory</b>: true<br/> /// </para> /// /// <para type="description"> /// -ForceConsent <SwitchParameter><br/> /// Force consent for third-party software installation without prompting.<br/> /// - <b>Mandatory</b>: false<br/> /// </para> /// /// <para type="description"> /// -ConsentToThirdPartySoftwareInstallation <SwitchParameter><br/> /// Provide consent to third-party software installation.<br/> /// - <b>Mandatory</b>: false<br/> /// </para> /// /// <example> /// <para>Connect to a browser instance via debugging port</para> /// <para>This example connects to a Chromium browser running with remote debugging enabled on port 9222.</para> /// <code> /// Connect-PlaywrightViaDebuggingPort ` /// -WsEndpoint "ws://localhost:9222/devtools/browser/abc123" /// </code> /// </example> /// /// <example> /// <para>Connect with consent for third-party software installation</para> /// <para>This example connects to a browser and provides consent for installing the Microsoft.Playwright package.</para> /// <code> /// Connect-PlaywrightViaDebuggingPort ` /// -WsEndpoint "ws://localhost:9222/devtools/browser/abc123" ` /// -ConsentToThirdPartySoftwareInstallation /// </code> /// </example> /// </summary> [Cmdlet(VerbsCommunications.Connect, "PlaywrightViaDebuggingPort")] [OutputType(typeof(PSObject))] public class ConnectPlaywrightViaDebuggingPortCommand : PSGenXdevCmdlet { /// <summary> /// The WebSocket URL for connecting to the browser's debugging port /// </summary> [Parameter( Mandatory = true, Position = 0, HelpMessage = "WebSocket URL for browser debugging connection" )] [ValidateNotNullOrEmpty] public string WsEndpoint { get; set; } /// <summary> /// Force consent for third-party software installation /// </summary> [Parameter( Mandatory = false, HelpMessage = "Force consent for third-party software installation" )] public SwitchParameter ForceConsent { get; set; } /// <summary> /// Consent to third-party software installation /// </summary> [Parameter( Mandatory = false, HelpMessage = "Consent to third-party software installation" )] public SwitchParameter ConsentToThirdPartySoftwareInstallation { get; set; } /// <summary> /// Begin processing - initialize Playwright package and global dictionary /// </summary> protected override void BeginProcessing() { // Prepare parameters for EnsureNuGetAssembly var boundParams = new Hashtable(); boundParams.Add("ForceConsent", ForceConsent); boundParams.Add("ConsentToThirdPartySoftwareInstallation", ConsentToThirdPartySoftwareInstallation); // Use base method to copy identical parameters var paramsResult = CopyIdenticalParamValues("GenXdev.Helpers\\EnsureNuGetAssembly"); var ensureScript = "param($params) " + "GenXdev.Helpers\\EnsureNuGetAssembly -PackageKey 'Microsoft.Playwright' -Description 'Browser automation library required for connecting to browser instances via CDP' -Publisher 'Microsoft' @params"; InvokeCommand.InvokeScript(ensureScript, false, 1, null, new object[] { paramsResult }); // Initialize global browser dictionary if it doesn't exist (PowerShell side) var initScript = "if (-not $Global:GenXdevPlaywrightBrowserDictionary) { $Global:GenXdevPlaywrightBrowserDictionary = @{} }"; InvokeCommand.InvokeScript(initScript, false, 1, null, null); } /// <summary> /// Process record - connect to browser and store instance /// </summary> protected override void ProcessRecord() { try { // Log connection attempt WriteVerbose("Attempting to connect to browser at: " + WsEndpoint); // Use PowerShell to create Playwright instance, connect, and store in global dictionary var connectScript = "param($wsEndpoint) " + "Microsoft.PowerShell.Utility\\Write-Verbose 'Creating Playwright instance'; " + "$playwright = [Microsoft.Playwright.Playwright]::CreateAsync().Result; " + "Microsoft.PowerShell.Utility\\Write-Verbose 'Connecting to browser via CDP'; " + "$browser = $playwright.Chromium.ConnectOverCDPAsync($wsEndpoint).Result; " + "Microsoft.PowerShell.Utility\\Write-Verbose 'Storing browser instance in global dictionary'; " + "$Global:GenXdevPlaywrightBrowserDictionary[$wsEndpoint] = $browser; " + "$browser"; var result = InvokeCommand.InvokeScript(connectScript, false, 1, null, new object[] { WsEndpoint }); // Return the browser instance as PSObject if (result != null && result.Count > 0) { WriteObject(result[0]); } } catch (Exception ex) { // Write error and re-throw to maintain original behavior WriteError(new ErrorRecord(ex, "ConnectionFailed", ErrorCategory.ConnectionError, WsEndpoint)); throw; } } } } |