Utility/utility.psm1
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<# .Synopsis Downloads a file from a specified URL on the Internet. .DESCRIPTION Function will download a single file from the Internet. This cmdlet requires that an explicit URI is entered and that the destination file name and location is specified as well .PARAMETER URL Target location to download a specified file from a remote location. .PARAMETER LocalFile Local destination to store targeted file. .EXAMPLE Get-WebFile -URL http://www.contoso.com/targetfile.txt -LocalFile .\destinationfile.txt Downloads targetfile.txt and saves it to the current working directory as destinationfile.txt .EXAMPLE Get-WebFile http://www.contoso.com/install.exe C:\Downloads\install.exe Downloads install.exe from contoso.com and save it with an absolute path of C:\Downloads .LINK https://www.github.com/darkoperator/Posh-SecMod/ #> Function Get-WebFile { Param( [Parameter(Mandatory = $true)] [uri]$URL, [Parameter(Mandatory = $true)] $LocalFile ) Begin { $WebClient = New-Object System.Net.WebClient } Process { try { Register-ObjectEvent $WebClient DownloadProgressChanged -action { Write-Progress -Activity "Downloading" -Status ` ("{0} of {1}" -f $eventargs.BytesReceived, $eventargs.TotalBytesToReceive) ` -PercentComplete $eventargs.ProgressPercentage } Register-ObjectEvent $client DownloadFileCompleted -SourceIdentifier Finished $WebClient.DownloadFileAsync($URL, $LocalFile) # optionally wait, but you can break out and it will still write progress Wait-Event -SourceIdentifier Finished } finally { $WebClient.dispose() } } End{} } function New-Zip { [CmdletBinding()] Param ( [Parameter(Mandatory=$true, ValueFromPipelineByPropertyName=$true, Position=0)] $ZipFile ) set-content $ZipFile ("PK" + [char]5 + [char]6 + ("$([char]0)" * 18)) (dir $ZipFile).IsReadOnly = $false } function Add-Zip { [CmdletBinding()] Param ( [Parameter(Mandatory=$true)] $ZipFile, [Parameter(Mandatory=$true, ValueFromPipelineByPropertyName=$true, Position=1)] [ValidateScript({Test-Path $_})] [Alias("Name", "FullName")] $File ) Begin { if(-not (test-path($ZipFile))) { set-content $ZipFile ("PK" + [char]5 + [char]6 + ("$([char]0)" * 18)) (dir $ZipFile).IsReadOnly = $false } } Process { Write-Verbose $File $shellApplication = new-object -com shell.application $zipPackage = (new-object -com shell.application).NameSpace(((get-item $ZipFile).fullname)) $zipPackage.CopyHere((get-item $File).FullName) } } function Get-ZipChildItems_Recurse { [CmdletBinding()] param( [Parameter(Mandatory=$true, ValueFromPipelineByPropertyName=$true, Position=0)] [object]$items ) foreach($si in $items) { if($si.getfolder -ne $null) { Get-ZipChildItems_Recurse $si.getfolder.items() } $si | select path } } function Get-Zip { [CmdletBinding()] Param ( [Parameter(Mandatory=$true, ValueFromPipelineByPropertyName=$true, Position=0)] [ValidateScript({Test-Path $_})] $ZipFile, $Recurse = $true ) $shellApplication = new-object -com shell.application $zipPackage = $shellApplication.NameSpace(((get-item $ZipFile).fullname)) if ($Recurse -eq $false) { $zipPackage.Items() | select path } else { Get-ZipChildItems_Recurse $zipPackage.Items() } } function Expand-Zip { [CmdletBinding()] Param ( [Parameter(Mandatory=$true, ValueFromPipelineByPropertyName=$true, Position=0)] [ValidateScript({Test-Path $_})] $ZipFile, [Parameter(Mandatory=$true, ValueFromPipelineByPropertyName=$true, Position=1)] $Destination ) if (Test-Path -PathType Container $Destination) { $destinationFolder = $shellApplication.NameSpace(((get-item $Destination).fullname)) } else { New-Item -ItemType container -Path $Destination | Out-Null $destinationFolder = $shellApplication.NameSpace(((get-item $Destination).fullname)) } $shellApplication = new-object -com shell.application $zipPackage = $shellApplication.NameSpace(((get-item $ZipFile).fullname)) $destinationFolder = $shellApplication.NameSpace(((get-item $Destination).fullname)) $destinationFolder.CopyHere($zipPackage.Items()) } <# .SYNOPSIS cmdlet for calculatingt the hash of a given file. .DESCRIPTION Calculates either the MD5, SHA1, SHA256, SHA384 or SHA512 checksum of a given file. .PARAMETER File File to hash. .PARAMETER HashAlgorithm Algorithum to use for hashing. MD5, SHA1, SHA256, SHA384 or SHA512 .EXAMPLE Get-ChildItem *.dll | Get-FileHash #> function Get-FileHash { [CmdletBinding()] [OutputType([string])] param( [Parameter(Mandatory=$true, ValueFromPipelineByPropertyName=$true, Position=0)] [Alias("Name","FileName","FullName")] [ValidateScript({Test-Path $_})] $File, [ValidateSet("MD5", "SHA1", "SHA256", "SHA384", "SHA512")] $HashAlgorithm = "MD5" ) Begin { } Process { if (Test-Path (resolve-path $File).Path -PathType Leaf) { Write-Verbose "Hashing $((resolve-path $File).Path)" $hashType = [Type] "System.Security.Cryptography.$HashAlgorithm" $hasher = $hashType::Create() $inputStream = New-Object IO.StreamReader ((resolve-path $File).Path) $hashBytes = $hasher.ComputeHash($inputStream.BaseStream) $inputStream.Close() # Convert the result to hexadecimal $builder = New-Object System.Text.StringBuilder $hashBytes | Foreach-Object -Process { [void] $builder.Append($_.ToString("X2")) } # Create Object $output = New-Object PsObject -Property @{ Path = (resolve-path $file).path; HashAlgorithm = $hashAlgorithm; HashValue = $builder.ToString() } $output } } End { } } <# .Synopsis Updateds to the latest version the Sysinternals Tool Suite .DESCRIPTION Updates to the latest version the Sysinternals Tool Suite the files located in a given path using WebDav to connect to the Microsoft Servers. If the Path does not exists it will create the folder and download the tools if the force parameter is used. .EXAMPLE PS C:\> Update-SysinternalsTools -Path C:\SysinternalsSuite -Verbose Updates the to the latest version the tools in a given path .EXAMPLE PS C:\> Update-SysinternalsTools -Path C:\SysinternalsSuite -Verbose -Force Updates the to the latest version the tools in a given path and if the path does not exists it will create it. #> function Update-SysinternalsTools { [CmdletBinding()] [OutputType([int])] Param ( # Path to where update the tools [Parameter(Mandatory=$true, ValueFromPipelineByPropertyName=$true, Position=0)] [string]$Path, # Creates the directory for the tools if it does not exist. [Parameter(Mandatory=$false)] [switch]$Force ) Begin { $WebPath = "\\live.sysinternals.com\Tools" # Check if the folder exists and if we should create it before starting. if ((Test-Path $Path) -eq $false) { if ($Force -eq $true) { Write-Verbose "Creating folder $($Path)" New-Item $Path -type directory | out-null } else { Write-Error "Path $($Path) does not exist." return } } $files = Get-ChildItem -Path $WebPath -File } Process { if (Test-Path $Path) { Write-Verbose "Folder exists, collecting information of files on host." $filesonhost = @{} foreach ($tool in (Get-ChildItem -Path $Path -File)) { $filesonhost += @{$tool.name = $tool.CreationTime} } foreach ($file in $files) { if ($file.CreationTime -gt $filesonhost[$file.Name]) { Write-Verbose "$($file.Name) is newer." Write-Verbose "Downloading $($file.Name)" Copy-Item -Path $file.FullName -Destination "$($Path)\$($file.Name)" } else { write-verbose "$($file.name) is up to date." } } } else { foreach ($file in $files) { Write-Verbose "Downloading $($file.Name)" Copy-Item -Path $file.FullName -Destination "$($Path)\$($file.Name)" } } } End { } } <# .Synopsis Gets a list of the COM Objects Available on the local system. .DESCRIPTION Gets a list of the COM Objects Available on the local system. .NOTES http://www.powershellmagazine.com/2013/06/27/pstip-get-a-list-of-all-com-objects-available/ #> function Get-ComObject { param( [Parameter(Position=0)] [string]$Filter = "*" ) $ListofObjects = Get-ChildItem HKLM:\Software\Classes -ErrorAction SilentlyContinue | Where-Object { $_.PSChildName -match '^\w+\.\w+$' -and (Test-Path -Path "$($_.PSPath)\CLSID") } | Select-Object -ExpandProperty PSChildName $ListofObjects | Where-Object {$_ -like $Filter} } <# .Synopsis Gets the current installed version and the latest version of Posh-SecMod. .DESCRIPTION Gets the current installed version and the latest version of Posh-SecMod. .EXAMPLE Get-PoshSecModVersion InstalledVersion CurrentVersion ---------------- -------------- 1.1 1.1 #> function Get-PoshSecModVersion { [CmdletBinding()] [OutputType([pscustomobject])] Param () Begin { $currentversion = "" $installed = Get-Module -Name "posh-secmod" -ListAvailable } Process { $webClient = New-Object System.Net.WebClient Try { $current = Invoke-Expression $webClient.DownloadString('https://raw.github.com/darkoperator/Posh-SecMod/master/Posh-SecMod.psd1') $currentversion = $current.moduleversion } Catch { Write-Warning "Could not retrieve the current version." } $majorver,$minorver = $currentversion.split(".") if ($majorver -gt $installed.Version.Major) { Write-Warning "You are running an outdated version of the module." } elseif ($minorver -gt $installed.Version.Minor) { Write-Warning "You are running an outdated version of the module." } $props = @{ InstalledVersion = $installed.Version.ToString() CurrentVersion = $currentversion } New-Object -TypeName psobject -Property $props } End { } } |