{"id":353684,"date":"2024-09-21T00:51:33","date_gmt":"2024-09-21T00:51:33","guid":{"rendered":"https:\/\/www.ninjaone.com\/script-hub\/definir-le-navigateur-par-defaut-powershell\/"},"modified":"2024-10-13T19:03:01","modified_gmt":"2024-10-13T19:03:01","slug":"definir-le-navigateur-par-defaut-powershell","status":"publish","type":"script_hub","link":"https:\/\/www.ninjaone.com\/fr\/script-hub\/definir-le-navigateur-par-defaut-powershell\/","title":{"rendered":"Comment d\u00e9finir le navigateur par d\u00e9faut pour tous les utilisateurs avec PowerShell : le guide \u00e9tape par \u00e9tape"},"content":{"rendered":"

La gestion du navigateur par d\u00e9faut pour plusieurs profils d’utilisateurs sur un syst\u00e8me Windows peut s’av\u00e9rer une t\u00e2che ardue, en particulier dans les environnements d’entreprise o\u00f9 la coh\u00e9rence et la conformit\u00e9 sont cruciales. L’automatisation de ce processus \u00e0 l’aide d’un script PowerShell<\/a> simplifie la t\u00e2che et garantit que tous les utilisateurs du syst\u00e8me b\u00e9n\u00e9ficient de la m\u00eame exp\u00e9rience de navigation.<\/p>\n

Cet article pr\u00e9sente un\u00a0script PowerShell con\u00e7u pour d\u00e9finir le navigateur par d\u00e9faut pour tous les utilisateurs<\/strong>\u00a0sur une machine Windows, fournissant aux professionnels de l’informatique et aux fournisseurs de services g\u00e9r\u00e9s (MSP)<\/a> un outil puissant pour maintenir le contr\u00f4le sur leurs environnements.<\/p>\n

Contexte<\/h2>\n

Dans un environnement informatique, en particulier au sein des entreprises ou des MSP, il est vital de maintenir une bonne exp\u00e9rience utilisateur de fa\u00e7on consistante. Avec plusieurs utilisateurs sur une m\u00eame machine ou sur un r\u00e9seau, le param\u00e9trage manuel du navigateur par d\u00e9faut pour chaque profil peut s’av\u00e9rer laborieux et source d’erreurs. Un script PowerShell qui automatise ce processus permet non seulement de gagner du temps, mais aussi de garantir l’uniformit\u00e9, ce qui peut s’av\u00e9rer essentiel pour la conformit\u00e9 et l’assistance aux utilisateurs.<\/p>\n

Ce script sp\u00e9cifique est une version modifi\u00e9e d’un script de Danysys, con\u00e7u pour changer le navigateur par d\u00e9faut pour tous les utilisateurs en mettant \u00e0 jour les cl\u00e9s de registre. Le script est tr\u00e8s adaptable et prend en charge les navigateurs les plus courants tels que Mozilla Firefox, Google Chrome et Microsoft Edge. En utilisant le script, les administrateurs informatiques peuvent s’assurer que tous les utilisateurs ont le bon navigateur par d\u00e9faut, quel que soit le nombre de profils ou l’\u00e9tat du syst\u00e8me.<\/p>\n

Le script\u00a0:<\/h2>\n
#Requires -Version 5.1\r\n\r\n<#\r\n.SYNOPSIS\r\n    Sets the default browser for all users.\r\n.DESCRIPTION\r\n    Sets the default browser for all users.\r\n.EXAMPLE\r\n    -Browser \"Mozilla Firefox\" -RestartExplorer\r\n\r\n    Setting default browser of Mozilla Firefox for Administrator.\r\n    Setting \r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\http\\UserChoice\\Hash changed from 2q7+uVxu0\/A= to FKcuHm4FMN4=\r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\http\\UserChoice\\ProgId changed from ChromeHTML to FirefoxURL-308046B0AF4A39CB\r\n    Setting \r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\https\\UserChoice\\Hash changed from zR3ANZC6jVI= to clMyDtJdxck=\r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\https\\UserChoice\\ProgId changed from ChromeHTML to FirefoxURL-308046B0AF4A39CB\r\n    Setting \r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\htm\\UserChoice\\Hash changed from IQfza9L6Tfw= to t8+HFkmUAd0=\r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\htm\\UserChoice\\ProgId changed from ChromeHTML to FirefoxHTML-308046B0AF4A39CB\r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\.htm\\UserChoice\\Hash changed from IQfza9L6Tfw= to t8+HFkmUAd0=\r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\.htm\\UserChoice\\ProgId changed from ChromeHTML to FirefoxHTML-308046B0AF4A39CB\r\n    Setting \r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\html\\UserChoice\\Hash changed from 7CcRlkLW3ik= to q0Eix6jwLFg=\r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\html\\UserChoice\\ProgId changed from ChromeHTML to FirefoxHTML-308046B0AF4A39CB\r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\.html\\UserChoice\\Hash changed from 7CcRlkLW3ik= to q0Eix6jwLFg=\r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\.html\\UserChoice\\ProgId changed from ChromeHTML to FirefoxHTML-308046B0AF4A39CB\r\n    Setting \r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\xhtml\\UserChoice\\Hash changed from IC7TXk1anlM= to y2gIOuiaLb0=\r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\xhtml\\UserChoice\\ProgId changed from ChromeHTML to FirefoxHTML-308046B0AF4A39CB\r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\.xhtml\\UserChoice\\Hash changed from IC7TXk1anlM= to y2gIOuiaLb0=\r\n    Registry::HKEY_USERS\\S-1-5-21-528047445-1317477324-4168425688-500\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\.xhtml\\UserChoice\\ProgId changed from ChromeHTML to FirefoxHTML-308046B0AF4A39CB\r\n    Restarting Explorer.exe\r\n\r\nPARAMETER: -Browser \"Mozilla Firefox\"\r\n    Set the default browser to either \"Mozilla Firefox\", \"Google Chrome\" or \"Microsoft Edge\".\r\n\r\nPARAMETER: -Restart Explorer\r\n    Restarts Explorer.exe so that the desktop icons for .html files refresh immediately.\r\n    \r\nLICENSE:\r\n    Modified version from: https:\/\/github.com\/DanysysTeam\/PS-SFTA\/blob\/22a32292e576afc976a1167d92b50741ef523066\/SFTA.ps1\r\n    This script incorporates the `Get-HexDateTime` and `Get-Hash` functions from Danysys, without which it would not be possible.\r\n    \r\n    LICENSE: https:\/\/github.com\/DanysysTeam\/PS-SFTA\/blob\/22a32292e576afc976a1167d92b50741ef523066\/SFTA.ps1\r\n    MIT License\r\n    \r\n    Copyright (c) 2022 Danysys. <danysys.com>\r\n\r\n    Permission is hereby granted, free of charge, to any person obtaining a copy\r\n    of this software and associated documentation files (the \"Software\"), to deal\r\n    in the Software without restriction, including without limitation the rights\r\n    to use, copy, modify, merge, publish, distribute, sublicense, and\/or sell\r\n    copies of the Software, and to permit persons to whom the Software is\r\n    furnished to do so, subject to the following conditions:\r\n\r\n    The above copyright notice and this permission notice shall be included in all\r\n    copies or substantial portions of the Software.\r\n\r\n    THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\r\n    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\r\n    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\r\n    SOFTWARE.\r\n\r\n.OUTPUTS\r\n    None\r\n.NOTES\r\n    Minimum OS Architecture Supported: Windows 10+\r\n    Release Notes:\r\n    Initial Release\r\nBy using this script, you indicate your acceptance of the following legal terms as well as our Terms of Use at https:\/\/www.ninjaone.com\/terms-of-use.\r\n    Ownership Rights: NinjaOne owns and will continue to own all right, title, and interest in and to the script (including the copyright). NinjaOne is giving you a limited license to use the script in accordance with these legal terms. \r\n    Use Limitation: You may only use the script for your legitimate personal or internal business purposes, and you may not share the script with another party. \r\n    Republication Prohibition: Under no circumstances are you permitted to re-publish the script in any script library or website belonging to or under the control of any other software provider. \r\n    Warranty Disclaimer: The script is provided \u201cas is\u201d and \u201cas available\u201d, without warranty of any kind. NinjaOne makes no promise or guarantee that the script will be free from defects or that it will meet your specific needs or expectations. \r\n    Assumption of Risk: Your use of the script is at your own risk. You acknowledge that there are certain inherent risks in using the script, and you understand and assume each of those risks. \r\n    Waiver and Release: You will not hold NinjaOne responsible for any adverse or unintended consequences resulting from your use of the script, and you waive any legal or equitable rights or remedies you may have against NinjaOne relating to your use of the script. \r\n    EULA: If you are a NinjaOne customer, your use of the script is subject to the End User License Agreement applicable to you (EULA).\r\n#>\r\n\r\n[CmdletBinding()]\r\nparam (\r\n    [Parameter()]\r\n    [String]$Browser,\r\n    [Parameter()]\r\n    [Switch]$RestartExplorer = [System.Convert]::ToBoolean($env:restartExplorer)\r\n)\r\n\r\nbegin {\r\n    if ($env:browser -and $env:browser -notlike \"null\") {\r\n        $Browser = $env:browser\r\n    }\r\n\r\n    # If no browser is selected, terminate with an error message.\r\n    if (-not $Browser) {\r\n        Write-Host \"[Error] Please select at least one browser!\"\r\n        Exit 1\r\n    }\r\n\r\n    # Test if running as Administrator\r\n    function Test-IsElevated {\r\n        $id = [System.Security.Principal.WindowsIdentity]::GetCurrent()\r\n        $p = New-Object System.Security.Principal.WindowsPrincipal($id)\r\n        $p.IsInRole([System.Security.Principal.WindowsBuiltInRole]::Administrator)\r\n    }\r\n\r\n    # Test if running as System\r\n    function Test-IsSystem {\r\n        $id = [System.Security.Principal.WindowsIdentity]::GetCurrent()\r\n        return $id.Name -like \"NT AUTHORITY*\" -or $id.IsSystem\r\n    }\r\n\r\n    function Get-HexDateTime {\r\n        # This function was created by DanySys at https:\/\/github.com\/DanysysTeam\/PS-SFTA\r\n        [OutputType([string])]\r\n    \r\n        $now = [DateTime]::Now\r\n        $dateTime = [DateTime]::New($now.Year, $now.Month, $now.Day, $now.Hour, $now.Minute, 0)\r\n        $fileTime = $dateTime.ToFileTime()\r\n        $hi = ($fileTime -shr 32)\r\n        $low = ($fileTime -band 0xFFFFFFFFL)\r\n        ($hi.ToString(\"X8\") + $low.ToString(\"X8\")).ToLower()\r\n    }\r\n\r\n    function Get-Hash {\r\n        # This function was created by DanySys at https:\/\/github.com\/DanysysTeam\/PS-SFTA\r\n        [CmdletBinding()]\r\n        param (\r\n            [Parameter( Position = 0, Mandatory = $True )]\r\n            [string]\r\n            $BaseInfo\r\n        )\r\n    \r\n        function local:Get-ShiftRight {\r\n            [CmdletBinding()]\r\n            param (\r\n                [Parameter( Position = 0, Mandatory = $true)]\r\n                [long] $iValue, \r\n                \r\n                [Parameter( Position = 1, Mandatory = $true)]\r\n                [int] $iCount \r\n            )\r\n        \r\n            if ($iValue -band 0x80000000) {\r\n                Write-Output (( $iValue -shr $iCount) -bxor 0xFFFF0000)\r\n            }\r\n            else {\r\n                Write-Output ($iValue -shr $iCount)\r\n            }\r\n        }\r\n    \r\n        function local:Get-Long {\r\n            [CmdletBinding()]\r\n            param (\r\n                [Parameter( Position = 0, Mandatory = $true)]\r\n                [byte[]] $Bytes,\r\n        \r\n                [Parameter( Position = 1)]\r\n                [int] $Index = 0\r\n            )\r\n        \r\n            Write-Output ([BitConverter]::ToInt32($Bytes, $Index))\r\n        }\r\n    \r\n        function local:Convert-Int32 {\r\n            param (\r\n                [Parameter( Position = 0, Mandatory = $true)]\r\n                [long] $Value\r\n            )\r\n        \r\n            [byte[]] $bytes = [BitConverter]::GetBytes($Value)\r\n            return [BitConverter]::ToInt32( $bytes, 0) \r\n        }\r\n    \r\n        [Byte[]] $bytesBaseInfo = [System.Text.Encoding]::Unicode.GetBytes($baseInfo) \r\n        $bytesBaseInfo += 0x00, 0x00  \r\n        \r\n        $MD5 = New-Object -TypeName System.Security.Cryptography.MD5CryptoServiceProvider\r\n        [Byte[]] $bytesMD5 = $MD5.ComputeHash($bytesBaseInfo)\r\n        \r\n        $lengthBase = ($baseInfo.Length * 2) + 2 \r\n        $length = (($lengthBase -band 4) -le 1) + (Get-ShiftRight $lengthBase 2) - 1\r\n        $base64Hash = \"\"\r\n    \r\n        if ($length -gt 1) {\r\n        \r\n            $map = @{PDATA = 0; CACHE = 0; COUNTER = 0 ; INDEX = 0; MD51 = 0; MD52 = 0; OUTHASH1 = 0; OUTHASH2 = 0;\r\n                R0 = 0; R1 = @(0, 0); R2 = @(0, 0); R3 = 0; R4 = @(0, 0); R5 = @(0, 0); R6 = @(0, 0); R7 = @(0, 0)\r\n            }\r\n        \r\n            $map.CACHE = 0\r\n            $map.OUTHASH1 = 0\r\n            $map.PDATA = 0\r\n            $map.MD51 = (((Get-Long $bytesMD5) -bor 1) + 0x69FB0000L)\r\n            $map.MD52 = ((Get-Long $bytesMD5 4) -bor 1) + 0x13DB0000L\r\n            $map.INDEX = Get-ShiftRight ($length - 2) 1\r\n            $map.COUNTER = $map.INDEX + 1\r\n        \r\n            while ($map.COUNTER) {\r\n                $map.R0 = Convert-Int32 ((Get-Long $bytesBaseInfo $map.PDATA) + [long]$map.OUTHASH1)\r\n                $map.R1[0] = Convert-Int32 (Get-Long $bytesBaseInfo ($map.PDATA + 4))\r\n                $map.PDATA = $map.PDATA + 8\r\n                $map.R2[0] = Convert-Int32 (($map.R0 * ([long]$map.MD51)) - (0x10FA9605L * ((Get-ShiftRight $map.R0 16))))\r\n                $map.R2[1] = Convert-Int32 ((0x79F8A395L * ([long]$map.R2[0])) + (0x689B6B9FL * (Get-ShiftRight $map.R2[0] 16)))\r\n                $map.R3 = Convert-Int32 ((0xEA970001L * $map.R2[1]) - (0x3C101569L * (Get-ShiftRight $map.R2[1] 16) ))\r\n                $map.R4[0] = Convert-Int32 ($map.R3 + $map.R1[0])\r\n                $map.R5[0] = Convert-Int32 ($map.CACHE + $map.R3)\r\n                $map.R6[0] = Convert-Int32 (($map.R4[0] * [long]$map.MD52) - (0x3CE8EC25L * (Get-ShiftRight $map.R4[0] 16)))\r\n                $map.R6[1] = Convert-Int32 ((0x59C3AF2DL * $map.R6[0]) - (0x2232E0F1L * (Get-ShiftRight $map.R6[0] 16)))\r\n                $map.OUTHASH1 = Convert-Int32 ((0x1EC90001L * $map.R6[1]) + (0x35BD1EC9L * (Get-ShiftRight $map.R6[1] 16)))\r\n                $map.OUTHASH2 = Convert-Int32 ([long]$map.R5[0] + [long]$map.OUTHASH1)\r\n                $map.CACHE = ([long]$map.OUTHASH2)\r\n                $map.COUNTER = $map.COUNTER - 1\r\n            }\r\n    \r\n            [Byte[]] $outHash = @(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)\r\n            [byte[]] $buffer = [BitConverter]::GetBytes($map.OUTHASH1)\r\n            $buffer.CopyTo($outHash, 0)\r\n            $buffer = [BitConverter]::GetBytes($map.OUTHASH2)\r\n            $buffer.CopyTo($outHash, 4)\r\n        \r\n            $map = @{PDATA = 0; CACHE = 0; COUNTER = 0 ; INDEX = 0; MD51 = 0; MD52 = 0; OUTHASH1 = 0; OUTHASH2 = 0;\r\n                R0 = 0; R1 = @(0, 0); R2 = @(0, 0); R3 = 0; R4 = @(0, 0); R5 = @(0, 0); R6 = @(0, 0); R7 = @(0, 0)\r\n            }\r\n        \r\n            $map.CACHE = 0\r\n            $map.OUTHASH1 = 0\r\n            $map.PDATA = 0\r\n            $map.MD51 = ((Get-Long $bytesMD5) -bor 1)\r\n            $map.MD52 = ((Get-Long $bytesMD5 4) -bor 1)\r\n            $map.INDEX = Get-ShiftRight ($length - 2) 1\r\n            $map.COUNTER = $map.INDEX + 1\r\n    \r\n            while ($map.COUNTER) {\r\n                $map.R0 = Convert-Int32 ((Get-Long $bytesBaseInfo $map.PDATA) + ([long]$map.OUTHASH1))\r\n                $map.PDATA = $map.PDATA + 8\r\n                $map.R1[0] = Convert-Int32 ($map.R0 * [long]$map.MD51)\r\n                $map.R1[1] = Convert-Int32 ((0xB1110000L * $map.R1[0]) - (0x30674EEFL * (Get-ShiftRight $map.R1[0] 16)))\r\n                $map.R2[0] = Convert-Int32 ((0x5B9F0000L * $map.R1[1]) - (0x78F7A461L * (Get-ShiftRight $map.R1[1] 16)))\r\n                $map.R2[1] = Convert-Int32 ((0x12CEB96DL * (Get-ShiftRight $map.R2[0] 16)) - (0x46930000L * $map.R2[0]))\r\n                $map.R3 = Convert-Int32 ((0x1D830000L * $map.R2[1]) + (0x257E1D83L * (Get-ShiftRight $map.R2[1] 16)))\r\n                $map.R4[0] = Convert-Int32 ([long]$map.MD52 * ([long]$map.R3 + (Get-Long $bytesBaseInfo ($map.PDATA - 4))))\r\n                $map.R4[1] = Convert-Int32 ((0x16F50000L * $map.R4[0]) - (0x5D8BE90BL * (Get-ShiftRight $map.R4[0] 16)))\r\n                $map.R5[0] = Convert-Int32 ((0x96FF0000L * $map.R4[1]) - (0x2C7C6901L * (Get-ShiftRight $map.R4[1] 16)))\r\n                $map.R5[1] = Convert-Int32 ((0x2B890000L * $map.R5[0]) + (0x7C932B89L * (Get-ShiftRight $map.R5[0] 16)))\r\n                $map.OUTHASH1 = Convert-Int32 ((0x9F690000L * $map.R5[1]) - (0x405B6097L * (Get-ShiftRight ($map.R5[1]) 16)))\r\n                $map.OUTHASH2 = Convert-Int32 ([long]$map.OUTHASH1 + $map.CACHE + $map.R3) \r\n                $map.CACHE = ([long]$map.OUTHASH2)\r\n                $map.COUNTER = $map.COUNTER - 1\r\n            }\r\n        \r\n            $buffer = [BitConverter]::GetBytes($map.OUTHASH1)\r\n            $buffer.CopyTo($outHash, 8)\r\n            $buffer = [BitConverter]::GetBytes($map.OUTHASH2)\r\n            $buffer.CopyTo($outHash, 12)\r\n        \r\n            [Byte[]] $outHashBase = @(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)\r\n            $hashValue1 = ((Get-Long $outHash 8) -bxor (Get-Long $outHash))\r\n            $hashValue2 = ((Get-Long $outHash 12) -bxor (Get-Long $outHash 4))\r\n        \r\n            $buffer = [BitConverter]::GetBytes($hashValue1)\r\n            $buffer.CopyTo($outHashBase, 0)\r\n            $buffer = [BitConverter]::GetBytes($hashValue2)\r\n            $buffer.CopyTo($outHashBase, 4)\r\n            $base64Hash = [Convert]::ToBase64String($outHashBase) \r\n        }\r\n    \r\n        $base64Hash\r\n    }\r\n\r\n    # Helper function for setting registry keys\r\n    function Set-RegKey {\r\n        param (\r\n            $Path,\r\n            $Name,\r\n            $Value,\r\n            [ValidateSet(\"DWord\", \"QWord\", \"String\", \"ExpandedString\", \"Binary\", \"MultiString\", \"Unknown\")]\r\n            $PropertyType = \"DWord\"\r\n        )\r\n        if (-not $(Test-Path -Path $Path)) {\r\n            # Check if path does not exist and create the path\r\n            New-Item -Path $Path -Force | Out-Null\r\n        }\r\n        if ((Get-ItemProperty -Path $Path -Name $Name -ErrorAction SilentlyContinue)) {\r\n            # Update property and print out what it was changed from and changed to\r\n            $CurrentValue = (Get-ItemProperty -Path $Path -Name $Name -ErrorAction SilentlyContinue).$Name\r\n            try {\r\n                Set-ItemProperty -Path $Path -Name $Name -Value $Value -Force -Confirm:$false -ErrorAction Stop | Out-Null\r\n            }\r\n            catch {\r\n                Write-Host \"[Error] Unable to set registry key for $Name at $Path please see below error!\"\r\n                Write-Host \"[Error] $($_.Exception.Message)\"\r\n                exit 1\r\n            }\r\n            Write-Host \"$Path\\$Name changed from $CurrentValue to $($(Get-ItemProperty -Path $Path -Name $Name -ErrorAction SilentlyContinue).$Name)\"\r\n        }\r\n        else {\r\n            # Create property with value\r\n            try {\r\n                New-ItemProperty -Path $Path -Name $Name -Value $Value -PropertyType $PropertyType -Force -Confirm:$false -ErrorAction Stop | Out-Null\r\n            }\r\n            catch {\r\n                Write-Host \"[Error] Unable to set registry key for $Name at $Path please see below error!\"\r\n                Write-Host \"[Error] $($_.Exception.Message)\"\r\n                exit 1\r\n            }\r\n            Write-Host \"Set $Path\\$Name to $($(Get-ItemProperty -Path $Path -Name $Name -ErrorAction SilentlyContinue).$Name)\"\r\n        }\r\n    }\r\n\r\n    # Retrieves all accounts on a system.\r\n    function Get-UserHives {\r\n        param (\r\n            [Parameter()]\r\n            [ValidateSet('AzureAD', 'DomainAndLocal', 'All')]\r\n            [String]$Type = \"All\",\r\n            [Parameter()]\r\n            [String[]]$ExcludedUsers,\r\n            [Parameter()]\r\n            [switch]$IncludeDefault\r\n        )\r\n    \r\n        # User account SID's follow a particular patter depending on if they're azure AD or a Domain account or a local \"workgroup\" account.\r\n        $Patterns = switch ($Type) {\r\n            \"AzureAD\" { \"S-1-12-1-(\\d+-?){4}$\" }\r\n            \"DomainAndLocal\" { \"S-1-5-21-(\\d+-?){4}$\" }\r\n            \"All\" { \"S-1-12-1-(\\d+-?){4}$\" ; \"S-1-5-21-(\\d+-?){4}$\" } \r\n        }\r\n    \r\n        # We'll need the NTuser.dat file to load each users registry hive. So we grab it if their account sid matches the above pattern. \r\n        $UserProfiles = Foreach ($Pattern in $Patterns) { \r\n            Get-ItemProperty -Path \"Registry::HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\ProfileList\\*\" |\r\n                Where-Object { $_.PSChildName -match $Pattern } | \r\n                Select-Object @{Name = \"SID\"; Expression = { $_.PSChildName } },\r\n                @{Name = \"UserName\"; Expression = { \"$($_.ProfileImagePath | Split-Path -Leaf)\" } }, \r\n                @{Name = \"UserHive\"; Expression = { \"$($_.ProfileImagePath)\\NTuser.dat\" } }, \r\n                @{Name = \"Path\"; Expression = { $_.ProfileImagePath } }\r\n        }\r\n    \r\n        # There are some situations where grabbing the .Default user's info is needed.\r\n        switch ($IncludeDefault) {\r\n            $True {\r\n                $DefaultProfile = \"\" | Select-Object UserName, SID, UserHive, Path\r\n                $DefaultProfile.UserName = \"Default\"\r\n                $DefaultProfile.SID = \"DefaultProfile\"\r\n                $DefaultProfile.Userhive = \"$env:SystemDrive\\Users\\Default\\NTUSER.DAT\"\r\n                $DefaultProfile.Path = \"C:\\Users\\Default\"\r\n    \r\n                $DefaultProfile | Where-Object { $ExcludedUsers -notcontains $_.UserName }\r\n            }\r\n        }\r\n    \r\n        $UserProfiles | Where-Object { $ExcludedUsers -notcontains $_.UserName }\r\n    }\r\n\r\n    # This is used to check that the browser is installed.\r\n    function Find-UninstallKey {\r\n        [CmdletBinding()]\r\n        param (\r\n            [Parameter(ValueFromPipeline = $True)]\r\n            [String]$DisplayName,\r\n            [Parameter()]\r\n            [Switch]$UninstallString\r\n        )\r\n        process {\r\n            $UninstallList = New-Object System.Collections.Generic.List[Object]\r\n    \r\n            $Result = Get-ChildItem -Path Registry::HKEY_LOCAL_MACHINE\\Software\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\* | Get-ItemProperty | Where-Object { $_.DisplayName -like \"*$DisplayName*\" }\r\n            if ($Result) { $UninstallList.Add($Result) }\r\n    \r\n            $Result = Get-ChildItem -Path Registry::HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\* | Get-ItemProperty | Where-Object { $_.DisplayName -like \"*$DisplayName*\" }\r\n            if ($Result) { $UninstallList.Add($Result) }\r\n    \r\n            # Programs don't always have an uninstall string listed here so to account for that I made this optional.\r\n            if ($UninstallString) {\r\n                $UninstallList | Select-Object -ExpandProperty UninstallString -ErrorAction SilentlyContinue\r\n            }\r\n            else {\r\n                $UninstallList\r\n            }\r\n        }\r\n    }\r\n}\r\nprocess {\r\n    if (-not (Test-IsElevated)) {\r\n        Write-Host \"[Error] Access Denied. Please run with Administrator privileges.\"\r\n        exit 1\r\n    }\r\n\r\n    # Protocols and file associations to set\r\n    $Protocols = \"http\", \"https\"\r\n    $Files = \"htm\", \"html\", \"xhtml\"\r\n\r\n    # Handlers for each product\r\n    switch ($Browser) {\r\n        \"Google Chrome\" {\r\n            $DisplayName = \"Chrome\"\r\n            $urlID = \"ChromeHTML\"\r\n            $htmlID = \"ChromeHTML\"\r\n        }\r\n        \"Microsoft Edge\" {\r\n            $DisplayName = \"Edge\"\r\n            $urlID = \"MSEdgeHTM\"\r\n            $htmlID = \"MSEdgeHTM\"\r\n        }\r\n        \"Mozilla Firefox\" {\r\n            $DisplayName = \"Firefox\"\r\n            $urlID = \"FirefoxURL-308046B0AF4A39CB\"\r\n            $htmlID = \"FirefoxHTML-308046B0AF4A39CB\"\r\n        }\r\n        default {\r\n            Write-Host \"[Error] Only the following browsers can be made the default. 'Google Chrome','Microsoft Edge' or 'Mozilla Firefox'.\"\r\n            exit 1\r\n        }\r\n    }\r\n\r\n    if (-not (Find-UninstallKey -DisplayName \"$DisplayName\")) {\r\n        Write-Host \"[Error] $Browser is not installed. Please ensure it's installed System-Wide prior to running this script.\"\r\n        exit 1\r\n    }\r\n\r\n    $UserProfiles = Get-UserHives -Type \"All\"\r\n    # Loop through each profile on the machine\r\n    Foreach ($UserProfile in $UserProfiles) {\r\n        # Load User ntuser.dat if it's not already loaded\r\n        If (($ProfileWasLoaded = Test-Path Registry::HKEY_USERS\\$($UserProfile.SID)) -eq $false) {\r\n            Start-Process -FilePath \"cmd.exe\" -ArgumentList \"\/C reg.exe LOAD HKU\\$($UserProfile.SID) `\"$($UserProfile.UserHive)`\"\" -Wait -WindowStyle Hidden\r\n        }\r\n\r\n        # The hex date and user experience don't really change\r\n        $userExperience = \"User Choice set via Windows User Experience {D18B6DD5-6124-4341-9318-804003BAFA0B}\"\r\n        $hexDateTime = Get-HexDateTime\r\n\r\n\r\n        Write-Host \"`nSetting default browser of $Browser for $($UserProfile.UserName).\"\r\n\r\n        # Set protocol association registry keys\r\n        $Protocols | ForEach-Object {\r\n            Write-Host \"Setting \"\r\n            $Protocol = $_\r\n\r\n            $ToBeHashed = \"$Protocol$($UserProfile.SID)$urlID$hexDateTime$userExperience\".ToLower()\r\n            $Hash = Get-Hash -BaseInfo $ToBeHashed\r\n\r\n            Set-RegKey -Path \"Registry::HKEY_USERS\\$($UserProfile.SID)\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\$Protocol\\UserChoice\" -Name \"Hash\" -Value $Hash -PropertyType String\r\n            Set-RegKey -Path \"Registry::HKEY_USERS\\$($UserProfile.SID)\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\$Protocol\\UserChoice\" -Name \"ProgId\" -Value $urlID -PropertyType String\r\n        }\r\n\r\n        # Set file association registry keys\r\n        $Files | ForEach-Object {\r\n            Write-Host \"Setting \"\r\n            $File = $_\r\n\r\n            $ToBeHashed = \".$File$($UserProfile.SID)$htmlID$hexDateTime$userExperience\".ToLower()\r\n            $Hash = Get-Hash -BaseInfo $ToBeHashed\r\n\r\n            Set-RegKey -Path \"Registry::HKEY_USERS\\$($UserProfile.SID)\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\$File\\UserChoice\" -Name \"Hash\" -Value $Hash -PropertyType String\r\n            Set-RegKey -Path \"Registry::HKEY_USERS\\$($UserProfile.SID)\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\$File\\UserChoice\" -Name \"ProgId\" -Value $htmlID -PropertyType String\r\n            Set-RegKey -Path \"Registry::HKEY_USERS\\$($UserProfile.SID)\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\.$File\\UserChoice\" -Name \"Hash\" -Value $Hash -PropertyType String\r\n            Set-RegKey -Path \"Registry::HKEY_USERS\\$($UserProfile.SID)\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\.$File\\UserChoice\" -Name \"ProgId\" -Value $htmlID -PropertyType String\r\n        }\r\n            \r\n        # Unload NTuser.dat\r\n        If ($ProfileWasLoaded -eq $false) {\r\n            [gc]::Collect()\r\n            Start-Sleep 1\r\n            Start-Process -FilePath \"cmd.exe\" -ArgumentList \"\/C reg.exe UNLOAD HKU\\$($UserProfile.SID)\" -Wait -WindowStyle Hidden | Out-Null\r\n        }\r\n    }\r\n\r\n    # Restart explorer if requested\r\n    if ($RestartExplorer) {\r\n        Write-Host \"`nRestarting Explorer.exe as requested.\"\r\n\r\n        # Stop all instances of Explorer\r\n        Get-Process explorer | Stop-Process -Force\r\n        \r\n        Start-Sleep -Seconds 1\r\n\r\n        # Restart Explorer if not running as System and Explorer is not already running\r\n        if (!(Test-IsSystem) -and !(Get-Process -Name \"explorer\")) {\r\n            Start-Process explorer.exe\r\n        }\r\n    }\r\n}\r\nend {\r\n    \r\n    \r\n    \r\n}<\/pre>\n
 <\/p>\n\n
<\/div>\n
Description d\u00e9taill\u00e9e<\/h2>\n
Le script fonctionne en interagissant avec le registre de Windows, en ciblant sp\u00e9cifiquement les ruches de registre sp\u00e9cifiques \u00e0 l’utilisateur qui stockent les param\u00e8tres d’application par d\u00e9faut. Voici une description \u00e9tape par \u00e9tape du fonctionnement du script :<\/p>\n
1. Initialisation du script :<\/h3>\n