Functions/GenXdev.Webbrowser/Get-DefaultWebbrowser.ps1
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################################################################################ <# .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 -Path $browserPath)) { # construct the full registry path for the current browser $browserRoot = Microsoft.PowerShell.Management\Join-Path $browserPath $browser.PSChildName # verify browser has required registry keys for URL handling if ((Microsoft.PowerShell.Management\Test-Path "$browserRoot\shell\open\command") -and (Microsoft.PowerShell.Management\Test-Path "$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 { } } ################################################################################ |