Public/New-WinSCPSessionOption.ps1

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function New-WinSCPSessionOption {

    [CmdletBinding(
        ConfirmImpact = "Low",
        HelpUri = "https://github.com/dotps1/WinSCP/wiki/New-WinSCPSessionOption",
        SupportsShouldProcess = $true
    )]
    [OutputType(
        [WinSCP.SessionOptions]
    )]

    param (
        [Parameter()]
        [ValidateNotNull()]
        [PSCredential]
        $Credential = [PSCredential]::new(
            "anonymous", [SecureString]::new()
        ),

        [Parameter()]
        [WinSCP.FtpMode]
        $FtpMode = (New-Object -TypeName WinSCP.FtpMode),

        [Parameter()]
        [WinSCP.FtpSecure]
        $FtpSecure = (New-Object -TypeName WinSCP.FtpSecure),

        [Parameter()]
        [Switch]
        $GiveUpSecurityAndAcceptAnySshHostKey,

        [Parameter()]
        [Switch]
        $GiveUpSecurityAndAcceptAnyTlsHostCertificate,

        [Parameter(
            Mandatory = $true
        )]
        [Alias(
            "ComputerName"
        )]
        [String]
        $HostName,

        [Parameter()]
        [Int]
        $PortNumber = 0,

        [Parameter()]
        [WinSCP.Protocol]
        $Protocol = ( New-Object -TypeName WinSCP.Protocol ),

        [Parameter()]
        [SecureString]
        $SecurePrivateKeyPassphrase,

        [Parameter(
            ValueFromPipelineByPropertyName = $true
        )]
        [String[]]
        $SshHostKeyFingerprint,

        [Parameter()]
        [ValidateScript({
            if (Test-Path -Path $_) {
                if ((Get-Item -Path $_).PSIsContainer) {
                    throw "Target is not a file: '$_'."
                } else {
                    return $true
                }
            } else {
                throw "Unable to find part of Path: '$_'."
            }
        })]
        [String]
        $SshPrivateKeyPath,

        [Parameter()]
        [ValidateScript({
            if (Test-Path -Path $_) {
                if ((Get-Item -Path $_).PSIsContainer) {
                    throw "Target is not a file: '$_'."
                } else {
                    return $true
                }
            } else {
                throw "Unable to find part of Path: '$_'."
            }
        })]
        [String]
        $TlsClientCertificatePath,

        [Parameter()]
        [String]
        $TlsHostCertificateFingerprint,

        [Parameter()]
        [TimeSpan]
        $Timeout = (New-TimeSpan -Seconds 15),

        [Parameter()]
        [Switch]
        $WebdavSecure,

        [Parameter()]
        [String]
        $WebdavRoot,

        [Parameter()]
        [HashTable]
        $RawSetting
    )

    $sessionOptions = New-Object -TypeName WinSCP.SessionOptions

    $shouldProcess = $PSCmdlet.ShouldProcess(
        $sessionOptions
    )
    if ($shouldProcess) {
        # Convert PSCredential Object to match names of the WinSCP.SessionOptions Object.
        # Remove the parameter "Credential", that is not a valid property of the WinSCP.SessionObject.
        $PSBoundParameters.Add(
            "UserName", $Credential.UserName
        )
        $PSBoundParameters.Add(
            "SecurePassword", $Credential.Password
        )

        # Resolve Full Path, WinSCP.exe does not like dot sourced path for the Certificate.
        $sshPrivateKeyPathUsed = $PSBoundParameters.ContainsKey(
            "SshPrivateKeyPath"
        )
        if ($sshPrivateKeyPathUsed) {
            $PSBoundParameters.SshPrivateKeyPath = Resolve-Path -Path $SshPrivateKeyPath |
                Select-Object -ExpandProperty Path
        }

        $tlsClientCertificatePathUsed = $PSBoundParameters.ContainsKey(
            "TlsClientCertificatePath"
        )
        if ($tlsClientCertificatePathUsed) {
            $PSBoundParameters.TlsClientCertificatePath = Resolve-Path -Path $TlsClientCertificatePath |
                Select-Object -ExpandProperty Path
        }

        # Enumerate each parameter.
        try {
            $sessionOptionObjectProperties = $sessionOptions |
                Get-Member -MemberType Property |
                    Select-Object -ExpandProperty Name
            $keys = ($PSBoundParameters.Keys).Where({
                $_ -in $sessionOptionObjectProperties
            })

            foreach ($key in $keys) {
                $sessionOptions.$key = $PSBoundParameters.$key
            }
        } catch {
            $PSCmdlet.ThrowTerminatingError(
                $_
            )
        }

        # Enumerate raw settings and add the options to the WinSCP.SessionOptions object.
        foreach ($key in $RawSetting.Keys) {
            $sessionOptions.AddRawSettings(
                $key, $RawSetting[$key]
            )
        }

        Write-Output -InputObject $sessionOptions
    }
}