Private/Get-VCDARandomPassword.ps1
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<# Copyright 2023 VMware, Inc. SPDX-License-Identifier: BSD-2-Clause #> function Get-VCDARandomPassword { <# .DESCRIPTION Generate Random password to be used by VCDA .EXAMPLE Get-VCDARandomPassword Generate Random Password between 8-16 characters long. .EXAMPLE Get-SsoPasswordPolicy | Get-VCDARandomPassword Generate password based on the configured SSO Password Policy. #> [CmdletBinding()] param ( [Parameter()] [int]$MinLength = 8, [Parameter()] [int]$MaxLength = 16, [Parameter()] [int]$MinNumericCount, [Parameter()] [int]$MinSpecialCharCount, [Parameter()] [int]$MinAlphabeticCount, [Parameter()] [int]$MinUppercaseCount, [Parameter()] [int]$MinLowercaseCount, [Parameter()] [int]$MaxIdenticalAdjacentCharacters, [Parameter(Mandatory = $false, ValueFromPipeline)] [VMware.vSphere.SsoAdminClient.DataTypes.PasswordPolicy]$SsoPasswordPolicy ) try { if ($null -ne $SsoPasswordPolicy) { $MinLength = $SsoPasswordPolicy.MinLength $MaxLength = $SsoPasswordPolicy.MaxLength $MinNumericCount = $SsoPasswordPolicy.MinNumericCount $MinSpecialCharCount = $SsoPasswordPolicy.MinSpecialCharCount $MinAlphabeticCount = $SsoPasswordPolicy.MinAlphabeticCount $MinUppercaseCount = $SsoPasswordPolicy.MinUppercaseCount $MinLowercaseCount = $SsoPasswordPolicy.MinLowercaseCount $MaxIdenticalAdjacentCharacters = $SsoPasswordPolicy.MaxIdenticalAdjacentCharacters } $password_lenght = ($MinLength..$MaxLength) | Get-Random $password = @() $all_chars = @{ Lowercase = (97..122) | ForEach-Object { [char]$_ } Upperase = (65..90) | ForEach-Object { [char]$_ } Numeric = (48..57) | ForEach-Object { [char]$_ } SpecialChar = ,33 + (35..47) + (58..64) + (91..95) + (123..126) | ForEach-Object { [char]$_ } } if ($MinLowercaseCount) { $password += 1..$MinLowercaseCount | ForEach-Object { $all_chars.Lowercase | Get-Random } } if ($MinUppercaseCount) { $password += 1..$MinUppercaseCount | ForEach-Object { $all_chars.Upperase | Get-Random } } if ($MinNumericCount) { $password += 1..$MinNumericCount | ForEach-Object { $all_chars.Numeric | Get-Random } } if ($MinSpecialCharCount) { $password += 1..$MinSpecialCharCount | ForEach-Object { $all_chars.SpecialChar | Get-Random } } if ($MinAlphabeticCount -gt 0) { $extra_Alphabetic = $MinAlphabeticCount - $MinLowercaseCount - $MinUppercaseCount } if ($extra_Alphabetic -gt 0) { $password += 1..$extra_Alphabetic | ForEach-Object { ($all_chars.Lowercase + $all_chars.Upperase) | Get-Random } } if ($password.Count -lt $password_lenght) { $extra_chars = $password_lenght - $password.Count $password += 1..$extra_chars ` | ForEach-Object { ($all_chars.Lowercase + $all_chars.Upperase + $all_chars.Numeric + $all_chars.SpecialChar) | Get-Random } } $password = -join ($password | Get-Random -Shuffle ) if ($MaxIdenticalAdjacentCharacters -gt 0) { $final_password = @() $prev_char = "" $count = 1 foreach ($char in $password.ToCharArray()) { if ($prev_char -ceq $char) { $count ++ } elseif ($prev_char -cne $char) { $count = 1 } if ($count -gt $MaxIdenticalAdjacentCharacters) { #find what type is the charecter to replace it with same type. switch ($char) { #Lowercase { 97..122 -contains $_ } { $char_type = $all_chars.Lowercase } #Upperase { 65..90 -contains $_ } { $char_type = $all_chars.Upperase } #Numeric { 48..57 -contains $_ } { $char_type = $all_chars.Numeric } #SpecialChar { (33..47) + (58..64) + (91..96) + (123..126) -contains $_ } { $char_type = $all_chars.SpecialChar } } $char = $char_type | Where-Object { $_ -notcontains $char } | Get-Random } $final_password += $char $prev_char = $char } $password = $final_password } $password = -join $password return $password } catch { $PSCmdlet.ThrowTerminatingError($_) } } |