Public/Set-ALHSavedCredential.ps1
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<#PSScriptInfo
.VERSION 1.2.0 .GUID f3d1fbcd-1063-4e97-b7ae-a03ddbec9827 .AUTHOR Dieter Koch .COMPANYNAME .COPYRIGHT (c) 2021-2023 Dieter Koch .TAGS .LICENSEURI https://github.com/admins-little-helper/ALH/blob/main/LICENSE .PROJECTURI https://github.com/admins-little-helper/ALH .ICONURI .EXTERNALMODULEDEPENDENCIES .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES 1.0.0 Initial release 1.1.0 Cleaned up code. 1.1.1 Fixed issue: Wrong paramter name for Out-File 1.2.0 Redesign and code cleanup. 1.2.1 Fixed issue when creating $Path failes. #> <# .DESCRIPTION Contains a function to store credentials in as secure string in a text file. #> function Set-ALHSavedCredential { <# .SYNOPSIS Saves credentials (username and password as secure string) in a text file. .DESCRIPTION Saves credentials (username and password as secure string) in a text file. .PARAMETER Path Folder in wich the credential files are stored. .PARAMETER FileNamePrefix Filename prefix to use for credential files. .PARAMETER Credential PSCredential object with username and password. .PARAMETER Identity Username for credentials. .PARAMETER Secret SecureString representing the password. .PARAMETER Force If specified, existing files will be overwritten. .PARAMETER AsJson If specified, the output will be saved in a json file, instead of a text file. .EXAMPLE Set-ALHSavedCredential -Path C:\Admin\Credentials -FileNamePrefix "CredsForApp1" -Identity "MyUserName" Save credentials for App1. The script will prompt for the password and hide typed characters. .EXAMPLE Set-ALHSavedCredential -Path C:\Admin\Credentials -FileNamePrefix "CredsForApp1" -Identity "MyUserName" -AsJson Save credentials for App1 in a single JSON file. The script will prompt for the password and hide typed characters. .EXAMPLE Set-ALHSavedCredential -Path C:\Admin\Credentials -FileNamePrefix "CredsForApp1" -Credential (Get-Credential) -AsJson Save credentials for App1 in a single JSON file. Username and password will be requested. .INPUTS Nothing .OUTPUTS Object .NOTES Author: Dieter Koch Email: diko@admins-little-helper.de .LINK https://github.com/admins-little-helper/ALH/blob/main/Help/Set-ALHSavedCredential.txt #> [OutputType([PSCredential])] [CmdletBinding(SupportsShouldProcess, DefaultParameterSetName = "default")] param ( [Parameter(Mandatory)] [ValidateNotNull()] [System.IO.FileInfo] $Path, [Parameter(Mandatory)] [ValidateNotNull()] [String] $FileNamePrefix, [Parameter(Mandatory, ParameterSetName = "PSCredential")] [ValidateNotNull()] [PSCredential] $Credential, [Parameter(Mandatory, ParameterSetName = "IdentitySecret")] [ValidateNotNull()] [String] $Identity, [Parameter(Mandatory, ParameterSetName = "IdentitySecret")] [ValidateNotNull()] [SecureString] $Secret, [Switch] $Force, [Switch] $AsJson ) if ($PSCmdlet.ParameterSetName -eq "IdentitySecret") { $Credential = New-Object System.Management.Automation.PSCredential ($Identity, $Secret) } Write-Verbose -Message "Checking if path and filename already exist." if (Test-Path -Path $Path -ErrorAction SilentlyContinue) { Write-Verbose -Message "Path exists and is accessible." $FullPathFileIdentity = Join-Path -Path $Path -ChildPath "$($FileNamePrefix)_Identity.txt" $FullPathFileSecret = Join-Path -Path $Path -ChildPath "$($FileNamePrefix)_Secret.txt" $FullPathFilCredential = Join-Path -Path $Path -ChildPath "$($FileNamePrefix)_Credential.json" $FileList = @($FullPathFileIdentity, $FullPathFileSecret, $FullPathFilCredential) foreach ($File in $FileList) { if (Test-Path -Path $File) { if ($Force.IsPresent) { Write-Warning -Message "File already exists and will be overwritten: [$File]" } else { Write-Warning -Message "File already exists. Stopping here. To overwrite existing file use parameter '-Force': [$File]" return $null } } } } else { Write-Verbose -Message "Path does not exist, trying to create it." try { $null = New-Item -Path $Path -ItemType Directory -Force -ErrorAction Stop } catch { Write-Error -Message "Error creating path [$Path]." return $null } } if ($AsJson.IsPresent) { [PSCustomObject]$MyCredentialObject = @{ Username = $Credential.UserName Password = $Credential.Password | ConvertFrom-SecureString } Write-Verbose -Message "Saving credential to json file." $MyCredentialObject | ConvertTo-Json | Out-File -FilePath $FullPathFilCredential -Force -Encoding utf8 } else { Write-Verbose -Message "Saving identity value to file." $Credential.UserName | Out-File -FilePath "$FullPathFileIdentity" -Force -Encoding utf8 Write-Verbose -Message "Saving secret value to file." $Credential.Password | ConvertFrom-SecureString | Out-File -FilePath "$FullPathFileSecret" -Force -Encoding utf8 } Write-Verbose -Message "Returning saved credentials." $GetSavedCredentialParams = @{ Path = $Path FileNamePrefix = $FileNamePrefix } if ($AsJson.IsPresent) { $GetSavedCredentialParams.AsJson = $true } $SavedCredential = Get-ALHSavedCredential @GetSavedCredentialParams return $SavedCredential } #region EndOfScript <# ################################################################################ ################################################################################ # # ______ _ __ _____ _ _ # | ____| | | / _| / ____| (_) | | # | |__ _ __ __| | ___ | |_ | (___ ___ _ __ _ _ __ | |_ # | __| | '_ \ / _` | / _ \| _| \___ \ / __| '__| | '_ \| __| # | |____| | | | (_| | | (_) | | ____) | (__| | | | |_) | |_ # |______|_| |_|\__,_| \___/|_| |_____/ \___|_| |_| .__/ \__| # | | # |_| ################################################################################ ################################################################################ # created with help of http://patorjk.com/software/taag/ #> #endregion |