Module/Rule.MimeType/Convert/Methods.ps1
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# Copyright (c) Microsoft Corporation. All rights reserved. # Licensed under the MIT License. #region Method Functions <# .SYNOPSIS Returns the Extension for the STIG rule. .PARAMETER CheckContent An array of the raw string data taken from the STIG setting. #> function Get-Extension { [CmdletBinding()] [OutputType([string])] param ( [Parameter(Mandatory = $true)] [psobject] $CheckContent ) $mimeTypeMatch = $checkContent | Select-String -Pattern $regularExpression.mimeType return $mimeTypeMatch.matches.groups.value } <# .SYNOPSIS Returns the MimeType for the STIG rule. .PARAMETER CheckContent An array of the raw string data taken from the STIG setting. #> function Get-MimeType { [CmdletBinding()] [OutputType([string])] param ( [Parameter(Mandatory = $true)] [string] $Extension ) switch ( $Extension ) { { $PsItem -match '\.exe|\.com' } { $mimeType = 'application/octet-stream' } { $PsItem -match '\.dll' } { $mimeType = 'application/x-msdownload' } { $PsItem -match '\.bat' } { $mimeType = 'application/x-bat' } { $PsItem -match '\.csh' } { $mimeType = 'application/x-csh' } } if ($null -ne $mimeType) { Write-Verbose -Message $("[$($MyInvocation.MyCommand.Name)] Found MimeType: {0}" -f $mimeType) return $mimeType } else { Write-Verbose -Message "[$($MyInvocation.MyCommand.Name)] No MimeType found" return $null } } <# .SYNOPSIS Returns the Extension for the STIG rule. .PARAMETER CheckContent An array of the raw string data taken from the STIG setting. #> function Get-Ensure { [CmdletBinding()] [OutputType([string])] param ( [Parameter(Mandatory = $true)] [psobject] $CheckContent ) if ($checkContent -match $regularExpression.mimeTypeAbsent) { Write-Verbose -Message "[$($MyInvocation.MyCommand.Name)] Ensure Absent" return "Absent" } else { Write-Verbose -Message "[$($MyInvocation.MyCommand.Name)] Ensure not found" return $null } } <# .SYNOPSIS Tests to see if the stig rule needs to be split into multiples. .PARAMETER CheckContent An array of the raw string data taken from the STIG setting. #> function Test-MultipleMimeTypeRule { [CmdletBinding()] [OutputType([bool])] param ( [Parameter(Mandatory = $true)] [psobject] $CheckContent ) $mimeTypes = $checkContent | Where-Object -FilterScript {$PSItem.startswith('.')} if ($mimeTypes.Count -gt 1) { Write-Verbose -message "[$($MyInvocation.MyCommand.Name)] : $true" return $true } else { Write-Verbose -message "[$($MyInvocation.MyCommand.Name)] : $false" return $false } } <# .SYNOPSIS Splits a STIG setting into multiple rules when necessary. .PARAMETER CheckContent An array of the raw string data taken from the STIG setting. #> function Split-MultipleMimeTypeRule { [CmdletBinding()] [OutputType([object[]])] param ( [Parameter(Mandatory = $true)] [psobject] $CheckContent ) $splitMimeTypeRules = @() $mimeTypeMatches = $checkContent | Select-String -Pattern $regularExpression.mimeType $mimeTypes = $mimeTypeMatches.matches.groups.value $baseCheckContent = $checkContent| Where-Object -Filterscript {$PSItem -notin $mimeTypes} foreach ($mimeType in $mimeTypes) { $rule = $baseCheckContent + $mimeType $splitMimeTypeRules += ($rule -join "`r`n") } return $splitMimeTypeRules } #endregion |