Private/ConvertFrom-HPSSetupInformation.ps1

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Function ConvertFrom-HPSSetupInformation {
    <#
        .SYNOPSIS
        Gets the content of an INI file

        .DESCRIPTION
        Gets the content of an INI file and returns it as a hashtable

        .INPUTS
        System.String

        .OUTPUTS
        System.Collections.Hashtable

        .PARAMETER Path
        Specifies the path to the input file.

        .EXAMPLE
        ConvertFrom-HPSSetupInformation "C:\myinifile.ini"

        .EXAMPLE
        $Inifilepath | $FileContent = ConvertFrom-HPSSetupInformation

        .LINK
        https://hardening.thomas-illiet.fr/Private/ConvertFrom-HPSSetupInformation/

        .LINK
        https://github.com/thomas-illiet/Hardening/blob/master/Hardening/Private/ConvertFrom-HPSSetupInformation.ps1

        .NOTES
        - File Name : ConvertFrom-HPSSetupInformation.ps1
        - Author : Thomas ILLIET
    #>


    [CmdletBinding( HelpUri = "https://hardening.thomas-illiet.fr/Private/ConvertFrom-HPSSetupInformation/" )]
    [OutputType( [System.Collections.Hashtable] )]
    Param(
        # Specifies the path to the input file.
        [Parameter( ValueFromPipeline = $True, Mandatory = $True )]
        [ValidateNotNullOrEmpty()]
        [ValidateScript( { ( Test-Path $_ ) } )]
        [System.String]
        $Path
    )

    begin {
        Write-Verbose "[$($MyInvocation.MyCommand.Name)] Function started"
    }

    Process {
        Write-Verbose "[$($MyInvocation.MyCommand.Name)] Processing file: $Path"

        $Ini = @{}
        switch -regex -file $Path {
            # Section
            "^\[(.+)\]$" {
                $Section = $matches[1]
                $Ini[$Section] = @{}
                $CommentCount = 0
            }

            # Comment
            "^(;.*)$" {
                if (!($Section)) {
                    $Section = "No Section"
                    $Ini[$Section] = @{}
                }
                $Value = $matches[1]
                $CommentCount = $CommentCount + 1
                $Name = "Comment" + $CommentCount
                $Ini[$Section][$Name] = $Value
            }

            # Key
            "(.+?)=(.*)" {
                if (!($Section)) {
                    $Section = "No Section"
                    $Ini[$Section] = @{}
                }
                $Name, $Value = ( $matches[1..2] -replace '\*' -replace '"' ).Trim()

                $Ini[$Section][$Name] = @{}

                switch ($Section) {
                    "Registry Values" {

                        $RegistryTypeList = @{
                            1 = "REG_SZ"
                            2 = "REG_EXPAND_SZs"
                            3 = "REG_BINARY"
                            4 = "REG_DWORD"
                            7 = "REG_MULTI_SZ"
                        }
                        $RegistryTypeValue = $Value.split(',')[0]


                        $Ini[$Section][$Name]["Type"] = $RegistryTypeList.Item([int]$RegistryTypeValue)

                        if($RegistryTypeValue -eq 7) {
                            $Ini[$Section][$Name]["Data"] = $Value.split(',') | select-object -skip 1
                        } else {
                            if($Value.split(',')[1] -match "^\d+$") {
                                $Ini[$Section][$Name]["Data"] = [Int]$Value.split(',')[1]
                            } else {
                                $Ini[$Section][$Name]["Data"] = [String]$Value.split(',')[1]
                            }
                        }
                    }

                    Default {
                        if ( $Value -match "^\d+$" ) {
                            $Ini[$Section][$Name]["Data"] = [Int]$Value
                        }
                        else {
                            $Ini[$Section][$Name]["Data"] = [String]$Value
                        }
                    }
                }
            }
        }

        Write-Verbose "[$($MyInvocation.MyCommand.Name)] Finished Processing file: $Path"
        Return $Ini
    }

    end {
        Write-Verbose "[$($MyInvocation.MyCommand.Name)] Complete"
    }
}