105 lines
3.4 KiB
PowerShell
105 lines
3.4 KiB
PowerShell
function Test-CredentialStoreItem {
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<#
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.SYNOPSIS
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Checks if the given RemoteHost identifier combination exists in the credential store.
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.DESCRIPTION
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Use this cmdlet for basic checks with a single item. Check the item first with this function before
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you try to interact with it.
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Breaking Change for `v1.1.0+`:
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Test-CredentialStoreItem will return `$false` even if the store doesn't exist. We removed the terminating
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error and replaced it with a warning message.
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.PARAMETER Path
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Define a custom credential store you try to read from. Without the `-Path` parameter
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`Test-CredentialStoreItem` tries to read from the default private store.
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.PARAMETER RemoteHost
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Specify the host, for which you would like to change the credentials.
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.PARAMETER Identifier
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Adds an optional identifier to the given RemoteHost. Makes it possible to store multiple credentials
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for a single host.
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.PARAMETER Shared
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Switch to shared mode with this param. This enforces the command to work with a shared CredentialStore which
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can be decrypted across systems.
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.INPUTS
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[None]
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.OUTPUTS
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[None]
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.EXAMPLE
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if (Test-CredentialStoreItem -RemoteHost "Default") {
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Get-CredentialStoreItem -RemoteHost "Default"
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}
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else {
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Write-Warning ("The given Remote Host {0} does not exist in the credential Store!" -f $RemoteHost)
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}
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#>
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[CmdletBinding(DefaultParameterSetName = 'Private')]
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[OutputType([bool])]
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param (
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[Parameter(Mandatory = $false, ParameterSetName = 'Shared')]
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[string]$Path = "{0}\PSCredentialStore\CredentialStore.json" -f $env:ProgramData,
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[Parameter(Mandatory = $true)]
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[ValidateNotNullOrEmpty()]
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[string]$RemoteHost,
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[Parameter(Mandatory = $false)]
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[ValidateNotNullOrEmpty()]
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[string]$Identifier,
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[Parameter(Mandatory = $false, ParameterSetName = 'Shared')]
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[switch]$Shared
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)
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begin {
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# Set the CredentialStore for private, shared or custom mode.
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Write-Debug ("ParameterSetName: {0}" -f $PSCmdlet.ParameterSetName)
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if ($PSCmdlet.ParameterSetName -eq 'Private') {
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$Path = Get-DefaultCredentialStorePath
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}
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elseif ($PSCmdlet.ParameterSetName -eq 'Shared') {
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if (!($PSBoundParameters.ContainsKey('Path'))) {
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$Path = Get-DefaultCredentialStorePath -Shared
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}
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}
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}
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process {
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if ($Identifier -ne "") {
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$CredentialName = $RemoteHost = "{0}/{1}" -f $Identifier, $RemoteHost
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}
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else {
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$CredentialName = $RemoteHost
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}
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if (Test-CredentialStore -Shared -Path $Path) {
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$CS = Get-CredentialStore -Shared -Path $Path
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$CSMembers = Get-Member -InputObject $CS
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if (($CSMembers.MemberType -eq 'NoteProperty') -and ($CSMembers.Name -contains $CredentialName)) {
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return $true
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}
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else {
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return $false
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}
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}
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else {
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$MsgParams = @{
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Message = "The given credential store ({0}) does not exist!" -f $Path
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}
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Write-Warning @MsgParams
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return $false
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}
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}
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end {}
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}
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