Internalize package icons for packages created with Chocolatey's Package Internalizer

InternalizePackageIcons.ps1

<#
  .SYNOPSIS
  Internalize package icons for internalized packages

  .EXAMPLE
  $params = @{
      InternalizerDownloadPath = 'C:\internalized\download\'
      IconRepository = 'http://nexus.fabrikam.com:8081/repository/icons/'
      PackageRepository = 'http://nexus.fabrikam.com:8081/repository/choco/'
      }

    .\InternalizePackageIcons.ps1 @params

    .NOTES
    Run this script AFTER you have internalized your packages, and point it at the 'download' folder created during that process
#>
[cmdletBinding()]
param(
    [Parameter(Mandatory)]
    [String[]]
    $InternalizerDownloadPath,

    [Parameter(Mandatory)]
    [String]
    $IconRepository,

    [Parameter(Mandatory)]
    [String]
    $PackageRepository,

    [Parameter(Mandatory)]
    [PSCredential]
    $Credential,

    [Parameter()]
    [String]
    $ApiKey
   
)

process {
    $nuspecs = $(Get-ChildItem $InternalizerDownloadPath -Recurse -Include *.nuspec,chocolateyInstall.ps1)

    Write-Verbose "Downloading icons and replacing values in nuspec files"

    foreach ($nuspec in $nuspecs) {

        [xml]$xml =$nuspec | Where-Object { $_.Extension -eq '.nuspec' } | Get-Content
        $iconurl = $xml.package.metadata.iconUrl
        $icon = ($iconurl -split ('/'))[-1]
        $iconPath = Join-Path 'C:\icons' "$icon"

        if ($iconurl) {

            $null = Invoke-WebRequest -Uri $iconurl -OutFile "$($iconPath)" -ErrorAction SilentlyContinue

            $user = $Credential.UserName
            $password = $Credential.GetNetworkCredential().Password

            $credPair = "{0}:{1}" -f $user, $password
            $encodedCreds = [System.Convert]::ToBase64String([System.Text.Encoding]::Utf8.GetBytes($credPair))

            $params = @{
                Headers         = @{
                    Authorization = "Basic $encodedCreds"
                }

                UseBasicParsing = $true
                ContentType     = 'text/plain'
            }
            
            if ($iconPath -eq 'C:\icons\') {
                $null
            }
            else {
                $newUrl = "$($IconRepository)$icon"
                Write-Verbose "Uploading: $iconPath"
                $null = Invoke-WebRequest -Uri $newUrl -Method Put -infile $iconPath @params -ErrorAction SilentlyContinue

                #Write new URL
                $xml.package.metadata.iconUrl = $newUrl
                $xml.Save($($nuspec.FullName))

                $Script:RepackageDirectory = Split-Path -Parent -Path $InternalizerDownloadPath

                $chocoPackArgs = @('pack',"$($nuspec.FullName)","--output-directory='$RepackageDirectory'")
                & choco @chocoPackArgs
            }

        }

    } 

    Write-Verbose "Uploading modified packages to repository"

    Get-ChildItem $RepackageDirectory -Recurse -Filter *.nupkg | Foreach-Object {
        
        $chocoPushArgs = @('push',"$($_.FullName)","--source='$PackageRepository'")

        if($ApiKey){
            $chocoPushArgs += "--api-key='$ApiKey'"
        }

        if($($PackageRepository.Split(':')[0]) -match 'http'){
            $chocoPushArgs += '--force'
        }

        & choco @chocoPushArgs
    }

    Remove-Item C:\icons -Recurse -Force

}