mirror of
https://github.com/kforney/pentest-distro-builder.git
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93 lines
No EOL
4.1 KiB
PowerShell
93 lines
No EOL
4.1 KiB
PowerShell
<#
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.SYNOPSIS
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Demonstrates how to write a command that works with paths that allow
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wildards and must exist.
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.DESCRIPTION
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This command also demonstrates how you need to supply a LiteralPath
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parameter when your Path parameter accepts wildcards. This is in order
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to handle paths like foo[1].txt. If you pass this path to the Path
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parameter, it will fail to find this file because "[1]" is interpreted
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as a wildcard spec e.g it resolves to foo1.txt. The LiteralPath parameter
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is used in this case as it does not interpret wildcard chars.
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.EXAMPLE
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C:\PS> Import-FileWildcard -LiteralPath ..\..\Tests\foo[1].txt -WhatIf
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This example shows how to use the LiteralPath parameter with a path
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that happens to use the wildcard chars "[" and "]".
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#>
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function Import-FileWildcard {
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[CmdletBinding(SupportsShouldProcess=$true, DefaultParameterSetName='Path')]
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param(
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# Specifies a path to one or more locations. Wildcards are permitted.
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[Parameter(Mandatory=$true,
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Position=0,
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ParameterSetName="Path",
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ValueFromPipeline=$true,
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ValueFromPipelineByPropertyName=$true,
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HelpMessage="Path to one or more locations.")]
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[ValidateNotNullOrEmpty()]
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[SupportsWildcards()]
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[string[]]
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$Path,
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# Specifies a path to one or more locations. Unlike the Path parameter, the value of the LiteralPath parameter is
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# used exactly as it is typed. No characters are interpreted as wildcards. If the path includes escape characters,
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# enclose it in single quotation marks. Single quotation marks tell Windows PowerShell not to interpret any
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# characters as escape sequences.
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[Parameter(Mandatory=$true,
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Position=0,
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ParameterSetName="LiteralPath",
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ValueFromPipelineByPropertyName=$true,
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HelpMessage="Literal path to one or more locations.")]
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[Alias("PSPath")]
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[ValidateNotNullOrEmpty()]
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[string[]]
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$LiteralPath
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)
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begin {
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}
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process {
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# Modify [CmdletBinding()] to [CmdletBinding(SupportsShouldProcess=$true, DefaultParameterSetName='Path')]
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$paths = @()
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if ($psCmdlet.ParameterSetName -eq 'Path') {
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foreach ($aPath in $Path) {
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if (!(Test-Path -Path $aPath)) {
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$ex = New-Object System.Management.Automation.ItemNotFoundException "Cannot find path '$aPath' because it does not exist."
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$category = [System.Management.Automation.ErrorCategory]::ObjectNotFound
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$errRecord = New-Object System.Management.Automation.ErrorRecord $ex,'PathNotFound',$category,$aPath
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$psCmdlet.WriteError($errRecord)
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continue
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}
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# Resolve any wildcards that might be in the path
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$provider = $null
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$paths += $psCmdlet.SessionState.Path.GetResolvedProviderPathFromPSPath($aPath, [ref]$provider)
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}
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}
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else {
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foreach ($aPath in $LiteralPath) {
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if (!(Test-Path -LiteralPath $aPath)) {
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$ex = New-Object System.Management.Automation.ItemNotFoundException "Cannot find path '$aPath' because it does not exist."
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$category = [System.Management.Automation.ErrorCategory]::ObjectNotFound
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$errRecord = New-Object System.Management.Automation.ErrorRecord $ex,'PathNotFound',$category,$aPath
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$psCmdlet.WriteError($errRecord)
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continue
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}
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# Resolve any relative paths
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$paths += $psCmdlet.SessionState.Path.GetUnresolvedProviderPathFromPSPath($aPath)
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}
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}
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foreach ($aPath in $paths) {
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if ($pscmdlet.ShouldProcess($aPath, 'Operation')) {
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# Process each path
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$aPath
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}
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}
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}
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end {
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}
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} |