Functions/GenXdev.Webbrowser/Approve-FirefoxDebugging.ps1
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Part of PowerShell module : GenXdev.Webbrowser Original cmdlet filename : Approve-FirefoxDebugging.ps1 Original author : René Vaessen / GenXdev Version : 1.300.2025 ################################################################################ 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. ################################################################################> ############################################################################### <# .SYNOPSIS Configures Firefox's debugging and standalone app mode features. .DESCRIPTION Enables remote debugging and standalone app mode (SSB) capabilities in Firefox by modifying user preferences in the prefs.js file of all Firefox profile directories. This function updates or adds required debugging preferences to enable development tools and remote debugging while disabling connection prompts. .EXAMPLE Approve-FirefoxDebugging Enables remote debugging and SSB features across all Firefox profiles found in the current user's AppData directory. #> function Approve-FirefoxDebugging { [CmdletBinding()] [OutputType([void])] param() begin { # construct the path to firefox profiles using environment variables $profilesPath = Microsoft.PowerShell.Management\Join-Path -Path $env:APPDATA -ChildPath 'Mozilla\Firefox\Profiles' Microsoft.PowerShell.Utility\Write-Verbose "Searching for Firefox profiles in: $profilesPath" # define new preferences to be added to firefox configuration $newPrefs = @( 'user_pref("devtools.chrome.enabled", true);', 'user_pref("devtools.debugger.remote-enabled", true);', 'user_pref("devtools.debugger.prompt-connection", false);', 'user_pref("browser.ssb.enabled", true);' ) # define preference keys that need to be removed before adding new ones $prefsToFilter = @( '"browser.ssb.enabled"', '"devtools.chrome.enabled"', '"devtools.debugger.remote-enabled"', '"devtools.debugger.prompt-connection"' ) } process { try { # locate all firefox preference files recursively $prefFiles = Microsoft.PowerShell.Management\Get-ChildItem -LiteralPath $profilesPath ` -Filter "prefs.js" ` -File ` -Recurse ` -ErrorAction SilentlyContinue foreach ($prefFile in $prefFiles) { Microsoft.PowerShell.Utility\Write-Verbose "Processing preferences file: $($prefFile.FullName)" # safely read existing preferences using system io $prefLines = [System.IO.File]::ReadAllLines($prefFile.FullName) # filter out existing debug/app-mode preferences $prefLines = $prefLines | Microsoft.PowerShell.Core\Where-Object { $line = $_ -not ($prefsToFilter | Microsoft.PowerShell.Core\Where-Object { $line.Contains($_) }) } # append new preferences to the filtered configuration $prefLines += $newPrefs # safely write updated preferences back to file [System.IO.File]::WriteAllLines($prefFile.FullName, $prefLines) Microsoft.PowerShell.Utility\Write-Verbose "Successfully updated preferences in: $($prefFile.FullName)" } } catch { Microsoft.PowerShell.Utility\Write-Error "Failed to update Firefox preferences: $_" throw } } end { } } |