Get-ISHPrerequisites.ps1

<#
# Copyright (c) 2021 All Rights Reserved by the RWS Group.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#>


function Get-ISHPrerequisites {
    [CmdletBinding()]
    param(
        [Parameter(Mandatory = $true, ParameterSetName = "From FTP")]
        [string]$FTPHost,
        [Parameter(Mandatory = $true, ParameterSetName = "From FTP")]
        [pscredential]$Credential,
        [Parameter(Mandatory = $true, ParameterSetName = "From FTP")]
        [string]$FTPFolder,
        [Parameter(Mandatory = $true, ParameterSetName = "From AWS S3")]
        [string]$BucketName,
        [Parameter(Mandatory = $true, ParameterSetName = "From AWS S3")]
        [string]$FolderKey,
        [Parameter(Mandatory = $false, ParameterSetName = "From AWS S3")]
        [string]$AccessKey,
        [Parameter(Mandatory = $false, ParameterSetName = "From AWS S3")]
        [string]$ProfileName,
        [Parameter(Mandatory = $false, ParameterSetName = "From AWS S3")]
        [string]$ProfileLocation,
        [Parameter(Mandatory = $false, ParameterSetName = "From AWS S3")]
        [string]$Region,
        [Parameter(Mandatory = $false, ParameterSetName = "From AWS S3")]
        [string]$SecretKey,
        [Parameter(Mandatory = $false, ParameterSetName = "From AWS S3")]
        [string]$SessionToken,
        [Parameter(Mandatory = $true, ParameterSetName = "From Azure FileStorage")]
        [string]$ShareName,
        [Parameter(Mandatory = $true, ParameterSetName = "From Azure BlobStorage")]
        [string]$ContainerName,
        [Parameter(Mandatory = $true, ParameterSetName = "From Azure FileStorage")]
        [Parameter(Mandatory = $true, ParameterSetName = "From Azure BlobStorage")]
        [string]$FolderPath,
        [Parameter(Mandatory = $true, ParameterSetName = "From Azure FileStorage")]
        [Parameter(Mandatory = $true, ParameterSetName = "From Azure BlobStorage")]
        [string]$StorageAccountName,
        [Parameter(Mandatory = $true, ParameterSetName = "From Azure FileStorage")]
        [Parameter(Mandatory = $true, ParameterSetName = "From Azure BlobStorage")]
        [string]$StorageAccountKey,
        [Parameter(Mandatory = $false, ParameterSetName = "From FTP")]
        [Parameter(Mandatory = $false, ParameterSetName = "From AWS S3")]
        [Parameter(Mandatory = $false, ParameterSetName = "From Azure FileStorage")]
        [Parameter(Mandatory = $false, ParameterSetName = "From Azure BlobStorage")]
        [switch]$Force = $false,
        [Parameter(Mandatory = $true, ParameterSetName = "No Download")]
        [switch]$FileNames
    )

    begin {
        if ($PSCmdlet.ParameterSetName -ne "No Download") {
            . $PSScriptRoot\Private\Test-RunningAsElevated.ps1
            Test-RunningAsElevated -StopCallerPSCmdlet $PSCmdlet
        }

        . $PSScriptRoot\Get-ISHServerFolderPath.ps1
        . $PSScriptRoot\Get-ISHOSInfo.ps1

        if (-not ($FTPFolder.EndsWith("/"))) {
            $FTPFolder += "/"
        }
        if (-not ($FolderKey.EndsWith("/"))) {
            $FolderKey += "/"
        }
        if (-not ($FolderPath.EndsWith("/"))) {
            $FolderPath += "/"
        }
    }

    process {
        $filesToDownload = @(
            #Common for 12, 13 and 14
            Get-Variable -Name "ISHServer:JavaHelp" -ValueOnly
            Get-Variable -Name "ISHServer:HtmlHelp" -ValueOnly
            "$(Get-Variable -Name "ISHServer:AntennaHouse" -ValueOnly)"
            "$(Get-Variable -Name "ISHServer:AntennaHouse" -ValueOnly).iss"
            "$(Get-Variable -Name "ISHServer:AntennaHouse" -ValueOnly).vcredist_x64.exe"
            "$(Get-Variable -Name "ISHServer:AntennaHouse" -ValueOnly).vcredist_x86.exe"

            Get-Variable -Name "ISHServer:MicrosoftVisualCPlusPlusRedistributable" -ValueOnly
        )


        #Only for 12 and 13
        if ($PSCmdlet.MyInvocation.MyCommand.Module.Name -eq "ISHServer.12" -or $PSCmdlet.MyInvocation.MyCommand.Module.Name -eq "ISHServer.13") {
            $filesToDownload += Get-Variable -Name "ISHServer:JDK" -ValueOnly
            $filesToDownload += Get-Variable -Name "ISHServer:JRE" -ValueOnly
        }

        #Only for 12, 13 and 14
        if ($PSCmdlet.MyInvocation.MyCommand.Module.Name -eq "ISHServer.12" -or $PSCmdlet.MyInvocation.MyCommand.Module.Name -eq "ISHServer.13" -or $PSCmdlet.MyInvocation.MyCommand.Module.Name -eq "ISHServer.14") {
            $filesToDownload += "$(Get-Variable -Name "ISHServer:Oracle" -ValueOnly).zip"
            $filesToDownload += "$(Get-Variable -Name "ISHServer:Oracle" -ValueOnly).rsp"
        }

        #Only for 12
        if ($PSCmdlet.MyInvocation.MyCommand.Module.Name -eq "ISHServer.12") {
            $filesToDownload += Get-Variable -Name "ISHServer:MSXML" -ValueOnly
        }

        #Only for 14

        if ($PSCmdlet.MyInvocation.MyCommand.Module.Name -eq "ISHServer.14") {
            $filesToDownload += Get-Variable -Name "ISHServer:AdoptOpenJDK" -ValueOnly
            $filesToDownload += Get-Variable -Name "ISHServer:AdoptOpenJRE" -ValueOnly
        }

        #Only for 15
        if ($PSCmdlet.MyInvocation.MyCommand.Module.Name -eq "ISHServer.15") {
            $filesToDownload += Get-Variable -Name "ISHServer:DotNetHosting" -ValueOnly
            $filesToDownload += Get-Variable -Name "ISHServer:EclipseTemurinOpenJDK" -ValueOnly
        }

        #Only for 14 and 15
        if (($PSCmdlet.MyInvocation.MyCommand.Module.Name -eq "ISHServer.14") -or ($PSCmdlet.MyInvocation.MyCommand.Module.Name -eq "ISHServer.15")) {
            $filesToDownload += Get-Variable -Name "ISHServer:MSOLEDBSQL" -ValueOnly
            $filesToDownload += "$(Get-Variable -Name "ISHServer:Oracle19" -ValueOnly).zip"
        }

        #Dependend on Operating System Information (OS Server vesion, already installed prerequisites)
        $osInfo = Get-ISHOSInfo

        #Only for 13 and 14 and 15
        if (($PSCmdlet.MyInvocation.MyCommand.Module.Name -eq "ISHServer.13") -or ($PSCmdlet.MyInvocation.MyCommand.Module.Name -eq "ISHServer.14") -or ($PSCmdlet.MyInvocation.MyCommand.Module.Name -eq "ISHServer.15")) {
            [Version]$NETFrameworkRequiredVersion = Get-Variable -Name "ISHServer:NETFrameworkRequiredVersion" -ValueOnly
            if ($osInfo.FullNetFrameworkVersion -lt $NETFrameworkRequiredVersion) {
                $filesToDownload += Get-Variable -Name "ISHServer:NETFramework" -ValueOnly
            }
        }

        if ($osInfo.IsCore) {
            $filesToDownload += Get-Variable -Name "ISHServer:VisualBasicRuntime" -ValueOnly
        }

        if ($PSCmdlet.ParameterSetName -ne "No Download") {
            $localPath = Get-ISHServerFolderPath
        }

        switch ($PSCmdlet.ParameterSetName) {
            'From FTP' {
                . $PSScriptRoot\Private\Get-ISHFTPItem.ps1

                $paths = @()
                $filesToDownload | ForEach-Object {
                    $paths += "$FTPFolder$_"
                }
                Get-ISHFTPItem -FTPHost $FTPHost -Credential $Credential -Path $paths -LocalPath $localPath -Force:$Force | Out-Null
                break
            }
            'From AWS S3' {
                . $PSScriptRoot\Private\Get-ISHS3Object.ps1

                $hash = @{
                    BucketName      = $BucketName
                    LocalFolder     = $localPath
                    AccessKey       = $AccessKey
                    ProfileName     = $ProfileName
                    ProfileLocation = $ProfileLocation
                    Region          = $Region
                    SecretKey       = $SecretKey
                    SessionToken    = $SessionToken
                }
                $keys = @()
                $filesToDownload | ForEach-Object {
                    $keys += "$FolderKey$_"
                }
                Get-ISHS3Object -Key $keys @hash -Force:$Force | Out-Null
                break
            }
            'From Azure FileStorage' {
                . $PSScriptRoot\Private\Get-ISHAzureFileObject.ps1

                $hash = @{
                    ShareName          = $ShareName
                    LocalFolder        = $localPath
                    StorageAccountName = $StorageAccountName
                    StorageAccountKey  = $StorageAccountKey
                }
                $paths = @()
                $filesToDownload | ForEach-Object {
                    $paths += "$FolderPath$_"
                }
                Get-ISHAzureFileObject -Path $paths @hash -Force:$Force | Out-Null
                break
            }
            'From Azure BlobStorage' {
                . $PSScriptRoot\Private\Get-ISHAzureBlobObject.ps1

                $localPath = Get-ISHServerFolderPath
                $hash = @{
                    ContainerName      = $ContainerName
                    LocalFolder        = $localPath
                    StorageAccountName = $StorageAccountName
                    StorageAccountKey  = $StorageAccountKey
                }
                $blobs = @()
                $filesToDownload | ForEach-Object {
                    $blobs += "$FolderPath$_"
                }
                Get-ISHAzureBlobObject -BlobName $blobs @hash -Force:$Force | Out-Null
                break
            }
            'No Download' {
                if ($FileNames) {
                    $filesToDownload | Sort-Object
                }
                break
            }
        }
    }

    end {

    }
}