core/private/Expand-ZipShell.ps1
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<#
The MIT License (MIT) Copyright (c) 2015 Objectivity Bespoke Software Specialists Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #> function Expand-ZipShell { <# .SYNOPSIS Uncompresses an archive file using Shell.Application object. .DESCRIPTION It uses recursion, as simple $dst.Copyhere($zip.Items(), 0x414) can cause failures due to permission issues. It also validates the files have been properly uncompressed. .PARAMETER SourcePath File to uncompress. .PARAMETER OutputDirectory Output directory. .PARAMETER ShellObject Shell.Application object - do not use (required for recursion). .PARAMETER SourceZipPath Path to the original zip file - do not use (required for recursion). .PARAMETER TestRun Determines test run - do not use (required for recursion) .EXAMPLE Expand-ZipShell -SourcePath "d:\test.zip" -OutputDirectory "d:\test" #> [CmdletBinding()] [OutputType([void])] param( [Parameter(Mandatory=$true)] [string] $SourcePath, [Parameter(Mandatory=$true)] [string] $OutputDirectory , [Parameter(Mandatory=$false)] [object] $ShellObject, [Parameter(Mandatory=$false)] [string] $SourceZipPath, [Parameter(Mandatory=$false)] [switch] $TestRun ) if (!$ShellObject) { $ShellObject = New-Object -ComObject Shell.Application $SourceZipPath = $SourcePath if (!(Test-Path -LiteralPath $SourceZipPath)) { throw "File '$SourceZipPath' does not exist or current user does not have access permissions." } $firstRecursionLevel = $true } else { $firstRecursionLevel = $false } foreach ($item in $ShellObject.Namespace($SourcePath).Items()) { $relativePath = $item.Path.Substring($SourceZipPath.Length + 1) $newDestPath = Join-Path -Path $OutputDirectory -ChildPath $relativePath if ($item.IsFolder) { if (!(Test-Path -LiteralPath $newDestPath)) { [void](New-Item -Path $newDestPath -ItemType Directory -Force) } Expand-ZipShell -SourcePath $item.Path -OutputDirectory $OutputDirectory -ShellObject $ShellObject -SourceZipPath $SourceZipPath -TestRun:$TestRun } else { if (!$TestRun) { if (Test-Path -LiteralPath $newDestPath) { Remove-Item -LiteralPath $newDestPath -Force } $destDir = Split-Path -Path $newDestPath -Parent $shellDst = $ShellObject.Namespace($destDir) $shellDst.CopyHere($item, 0x414) } else { $timeout = 10 * 1000 $passedTime = 0 while ($passedTime -le $timeout -and (!(Test-Path -Path $newDestPath) -or ((Get-Item -Path $newDestPath).Length -ne $item.Size))) { Start-Sleep -Milliseconds 100 $passedTime += 100 } if ($passedTime -ge $timeout) { $exists = Test-Path -Path $newDestPath if ($exists) { $fileSize = (Get-Item -Path $newDestPath).Length } else { $fileSize = 0 } throw "File '$($item.Path)' has not been uncompressed successfully - exists: $exists, size: $fileSize. Timeout after $timeout s. Please ensure user $([System.Security.Principal.WindowsIdentity]::GetCurrent().Name) has RW access to this directory. If she does, try installing 7-zip to get more helpful error." } } } } # Since CopyHere method is asynchronous and does not report errors, we need to ensure the files have been properly uncompressed if ($firstRecursionLevel -and !$TestRun) { Expand-ZipShell -SourcePath $SourcePath -OutputDirectory $OutputDirectory -ShellObject $ShellObject -SourceZipPath $SourceZipPath -TestRun } } |