Functions/GenXdev.Webbrowser/Get-DefaultWebbrowser.ps1
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Part of PowerShell module : GenXdev.Webbrowser Original cmdlet filename : Get-DefaultWebbrowser.ps1 Original author : René Vaessen / GenXdev Version : 1.264.2025 ################################################################################ MIT License Copyright 2021-2025 GenXdev Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ################################################################################> ############################################################################### <# .SYNOPSIS Returns the configured default web browser for the current user. .DESCRIPTION Retrieves information about the system's default web browser by querying the Windows Registry. Returns a hashtable containing the browser's name, description, icon path, and executable path. The function checks both user preferences and system-wide browser registrations to determine the default browser. .EXAMPLE Get detailed information about the default browser Get-DefaultWebbrowser | Format-List .EXAMPLE Launch the default browser with a specific URL $browser = Get-DefaultWebbrowser & $browser.Path https://www.github.com/ .OUTPUTS System.Collections.Hashtable with keys: Name, Description, Icon, Path .NOTES Requires Windows 10 or later operating system #> function Get-DefaultWebbrowser { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param() begin { # define registry paths for url associations and browser information $urlAssocPath = 'HKCU:\SOFTWARE\Microsoft\Windows\Shell\Associations\' + 'UrlAssociations\https\UserChoice' $browserPath = 'HKLM:\SOFTWARE\WOW6432Node\Clients\StartMenuInternet' # ensure HKCU registry drive is available if (!(Microsoft.PowerShell.Management\Test-Path HKCU:)) { $null = Microsoft.PowerShell.Management\New-PSDrive -Name HKCU -PSProvider Registry ` -Root HKEY_CURRENT_USER } # ensure HKLM registry drive is available if (!(Microsoft.PowerShell.Management\Test-Path HKLM:)) { $null = Microsoft.PowerShell.Management\New-PSDrive -Name HKLM -PSProvider Registry ` -Root HKEY_LOCAL_MACHINE } Microsoft.PowerShell.Utility\Write-Verbose 'Retrieving default browser URL handler configuration' # get the default handler ID for HTTPS URLs from user preferences $urlHandlerId = Microsoft.PowerShell.Management\Get-ItemProperty -Path $urlAssocPath | Microsoft.PowerShell.Utility\Select-Object -ExpandProperty ProgId Microsoft.PowerShell.Utility\Write-Verbose "URL handler ID: $urlHandlerId" } process { Microsoft.PowerShell.Utility\Write-Verbose 'Scanning installed browsers in registry' # iterate through all registered browsers in the system foreach ($browser in (Microsoft.PowerShell.Management\Get-ChildItem -LiteralPath $browserPath)) { # construct the full registry path for the current browser $browserRoot = Microsoft.PowerShell.Management\Join-Path $browserPath $browser.PSChildName # verify browser has required registry keys for URL handling if ((Microsoft.PowerShell.Management\Test-Path -LiteralPath "$browserRoot\shell\open\command") -and (Microsoft.PowerShell.Management\Test-Path -LiteralPath "$browserRoot\Capabilities\URLAssociations")) { # get the HTTPS handler ID for this browser $browserHandler = Microsoft.PowerShell.Management\Get-ItemProperty ` -Path "$browserRoot\Capabilities\URLAssociations" | Microsoft.PowerShell.Utility\Select-Object -ExpandProperty https # check if this browser is the default handler if ($browserHandler -eq $urlHandlerId) { Microsoft.PowerShell.Utility\Write-Verbose "Found default browser: $browserRoot" # return browser details in a hashtable return @{ Name = (Microsoft.PowerShell.Management\Get-ItemProperty "$browserRoot\Capabilities" | Microsoft.PowerShell.Utility\Select-Object -ExpandProperty ApplicationName) Description = (Microsoft.PowerShell.Management\Get-ItemProperty "$browserRoot\Capabilities" | Microsoft.PowerShell.Utility\Select-Object -ExpandProperty ApplicationDescription) Icon = (Microsoft.PowerShell.Management\Get-ItemProperty "$browserRoot\Capabilities" | Microsoft.PowerShell.Utility\Select-Object -ExpandProperty ApplicationIcon) Path = (Microsoft.PowerShell.Management\Get-ItemProperty "$browserRoot\shell\open\command" | Microsoft.PowerShell.Utility\Select-Object -ExpandProperty '(default)').Trim('"') } } } } } end { } } |