optional icon0 downloading, added way to provide a list of DLC you have the exdata for (owned_dlc.txt), added option to skip exdata size checking (rarely useful)

agret_fake_dlc_generator.ps1

$current_dir = Split-Path $MyInvocation.MyCommand.Path

# $download_region = "AU"
$download_region = "US"

$entitle_path = "$current_dir\fake_dlc_temp"
$out_path = "$current_dir\fake_dlc_pkg"

$check_dlc_sizes = $true # Set to false if you want to skip checking the exdata download size (not recommended but could be useful for testing with some specific titles)
$download_icon0 = $false # Set to true if you want the PKGs to contain their ICON0.PNG (This lets you get an icon for the content in XMB)
$use_owned_dlc_txt = $false
$owned_dlc = @("")

if ((Test-Path $out_path) -eq 0) { New-Item -ItemType Directory -Path $out_path > $null }
if ((Test-Path $entitle_path) -eq 0) { New-Item -ItemType Directory -Path $entitle_path > $null }
if ((Test-Path "$entitle_path\sce_sys") -eq 0) { New-Item -ItemType Directory -Path "$entitle_path\sce_sys" > $null }

if (Test-Path "$current_dir\owned_dlc.txt") { # We have a list of DLC that we own so let's let it into the script
  $use_owned_dlc_txt = $true

  foreach ($owned_dlc_id in Get-Content .\owned_dlc.txt) {
    $owned_dlc += $owned_dlc_id
  }

  $owned_dlc = $owned_dlc | sort -Unique # Sort the list and remove duplicates for faster enumeration
}


$i = 0


function CleanupDLCFiles {
  if (Test-Path "$entitle_path\param_template.sfx") { Remove-Item -Path "$entitle_path\param_template.sfx" -Force }
  if (Test-Path "$entitle_path\fake_dlc_project.gp4") { Remove-Item -Path "$entitle_path\fake_dlc_project.gp4" -Force }
  if (Test-Path "$entitle_path\sce_sys\icon0.png") { Remove-Item -Path "$entitle_path\sce_sys\icon0.png" -Force }
  if (Test-Path "$entitle_path\sce_sys\param.sfo") { Remove-Item -Path "$entitle_path\sce_sys\param.sfo" -Force }
}

function ConvertImage {
  $path = "$entitle_path\temp.jpg" # path to file to convert
  if (Test-Path $path)
  {
    #Load required assemblies and get object reference
    [Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms") | Out-Null

    $convertfile = New-Object System.Drawing.Bitmap ($path)
    $newfilname = ($path -replace '([^.]).jpg','$1') + ".png"
    $convertfile.Save($newfilname,"png")
    $convertfile.Dispose()
    # $file.Fullname
  }
  else
  {
    Write-Host "Path not found."
  }
};

foreach ($content_id in Get-Content .\download_list.txt) {
  $i++

  CleanupDLCFiles # Cleanup any leftovers in case the script exited uncleanly or to avoid conflicts with the previous file in the loop

  if (($content_id).length -eq 36 -and (Test-Path "$out_path\$content_id-A0000-V0100.pkg") -eq 0)
  {
    $download_url = "https://store.playstation.com/store/api/chihiro/00_09_000/container/$download_region/en/19/" + $content_id
    $build_info = Invoke-RestMethod -Uri $download_url

    $icon0_jpg = "https://store.playstation.com/store/api/chihiro/00_09_000/container/$download_region/en/19/$content_id/1520727265000/image?w=512&h=512&bg_color=000000&opacity=100&_version=00_09_000"
    if ($download_icon0 -eq $true) { Invoke-WebRequest -Uri $icon0_jpg -OutFile "$entitle_path\temp.jpg" }

    if (Test-Path "$entitle_path\temp.jpg") { ConvertImage } # If our download succeeds let's convert it to a PNG

    if (Test-Path "$entitle_path\temp.png") {
      Copy-Item -Path "$entitle_path\temp.png" -Destination "$entitle_path\sce_sys\icon0.png" -Force
      Remove-Item -Path "$entitle_path\temp.png" -Force
    }

    if (Test-Path "$entitle_path\temp.jpg") { Remove-Item -Path "$entitle_path\temp.jpg" -Force }



    $dlc_name = $build_info.Name
    $dlc_activator = $true

    foreach ($check1 in $build_info.default_sku.entitlements) { # Loop each entitlement granted by the content

      if ($check1.id -eq $content_id -and ($check1.Name).length -gt 1 -and $dlc_name -ne $check1.Name) { # The entitlement matches the content, We should prefer the content name rather than the "friendly" store name if it's available
        Write-Host "[INFO] " $dlc_name "->" $check1.Name
        $dlc_name = $check1.Name # default_sku.entitlements[""0""].id -- default_sku.entitlements[""0""].name
      }

      if ($check_dlc_sizes -eq $true) { # Let's check the metadata to make sure the content is actually an activator and not something that requires exdata
        foreach ($check2 in $check1.packages) { # If the entitlement grants packages we must enumerate them
          if ($check2.size -gt 0) { # If the content requires a download size it is not a valid activator DLC and requires exdata :(
            if ($use_owned_dlc_txt -eq $true -and $check1.id -ne $content_id -and $owned_dlc -contains $check1.id) # However, if we already own the DLC inside the package then the package itself may add extra content (i.e. a season pass exclusive unlock)
            {
              Write-Host "[INFO] Package " $dlc_name "contains " $check1.Name "which we already own =)"
            } else {
              Write-Host "[ERR]" $dlc_name "needs EXDATA" $check1.id "(packages)" -BackgroundColor black -ForegroundColor red
              $dlc_activator = $false
            }
          }
        }

        foreach ($check2 in $check1.drms) { # If the entitlement grants DRMs we must enumerate them
          if ($check2.id -eq $content_id) { # If the DRM ID is the same as our content we might be in trouble
            if ($check2.size -gt 0) {
              Write-Host "[ERR]" $dlc_name "needs EXDATA" $check2.id "(packages)" -BackgroundColor black -ForegroundColor red
              $dlc_activator = $false } # If the content ID matches and requires a download size it is not a valid activator DLC and requires exdata :(
          }
        }
      }

    }

    if ($dlc_name -lt 2) # Item name is less than 2 characters so i'd say that's invalid, revert to item ID
    {
      Write-Host "[ERROR] Could not find the name for $dlc_name, revert to using content ID"
      $dlc_name = $content_id
    }

    $dlc_name = $dlc_name -replace "&","and" # The PKG generator seems to have issues with content that contains the & symbol, most entitlement names convert it but i've seen it escaped on the console as & before haha

    if ($dlc_activator -eq $true) {
      $title_id = ($content_id).Substring(7,9)
      $timestamp = Get-Date -UFormat "%Y-%m-%d %H:%M:%S"

      $sfx_output = "<?xml version=`"1.0`" encoding=`"utf-8`" standalone=`"yes`"?>`r`n<paramsfo>`r`n <param key=`"ATTRIBUTE`">0</param>`r`n <param key=`"CATEGORY`">ac</param>`r`n <param key=`"CONTENT_ID`">" + $content_id + "</param>`r`n <param key=`"FORMAT`">obs</param>`r`n <param key=`"TITLE`">" + $dlc_name + "</param>`r`n <param key=`"TITLE_ID`">" + $title_id + "</param>`r`n <param key=`"VERSION`">01.00</param>`r`n</paramsfo>)"

      if ((Test-Path $entitle_path"\sce_sys\icon0.png") -eq 0) { # If we don't have icon0 use the top one, otherwise use bottom one which includes icon0.png
        $gp4_output = "<?xml version=`"1.0`" encoding=`"utf-8`" standalone=`"yes`"?>`r`n<psproject fmt=`"gp4`" version=`"1000`">`r`n  <volume>`r`n    <volume_type>pkg_ps4_ac_nodata</volume_type>`r`n    <volume_id>PS4VOLUME</volume_id>`r`n    <volume_ts>" + $timestamp + "</volume_ts>`r`n    <package content_id=`"" + $content_id + "`" passcode=`"00000000000000000000000000000000`"/>`r`n  </volume>`r`n  <files img_no=`"0`">`r`n	<file targ_path=`"sce_sys/param.sfo`" orig_path=`"" + $entitle_path + "\sce_sys\param.sfo`"/>`r`n  </files>`r`n  <rootdir>`r`n    <dir targ_name=`"sce_sys`"/>`r`n  </rootdir>`r`n</psproject>"
      } else {
        $gp4_output = "<?xml version=`"1.0`" encoding=`"utf-8`" standalone=`"yes`"?>`r`n<psproject fmt=`"gp4`" version=`"1000`">`r`n  <volume>`r`n    <volume_type>pkg_ps4_ac_nodata</volume_type>`r`n    <volume_id>PS4VOLUME</volume_id>`r`n    <volume_ts>" + $timestamp + "</volume_ts>`r`n    <package content_id=`"" + $content_id + "`" passcode=`"00000000000000000000000000000000`"/>`r`n  </volume>`r`n  <files img_no=`"0`">`r`n	<file targ_path=`"sce_sys/param.sfo`" orig_path=`"" + $entitle_path + "\sce_sys\param.sfo`"/>`r`n	<file targ_path=`"sce_sys/icon0.png`" orig_path=`"" + $entitle_path + "\sce_sys\icon0.png`"/>`r`n  </files>`r`n  <rootdir>`r`n    <dir targ_name=`"sce_sys`"/>`r`n  </rootdir>`r`n</psproject>"
      }

      New-Item -Force -Path $entitle_path"\param_template.sfx" -Value $sfx_output -Type file > $null
      New-Item -Force -Path $entitle_path"\fake_dlc_project.gp4" -Value $gp4_output -Type file > $null

      Start-Process -WindowStyle hidden -FilePath ".\orbis-pub-cmd.exe" -Wait -ArgumentList "sfo_create","$entitle_path\param_template.sfx","$entitle_path\sce_sys\param.sfo"
      Start-Process -WindowStyle hidden -FilePath ".\orbis-pub-cmd.exe" -Wait -ArgumentList "img_create","$entitle_path\fake_dlc_project.gp4","$out_path\$content_id-A0000-V0100.pkg"

      if ((Test-Path "$out_path\$content_id-A0000-V0100.pkg") -eq 1) {
        Write-Host $i.ToString("00000") $content_id "`t" $dlc_name -BackgroundColor black -ForegroundColor green
      } else {
        Write-Host $i.ToString("00000") $content_id "`t" $dlc_name "`t ERROR OCCURED GENERATING PKG" -BackgroundColor black -ForegroundColor red
      }
    } else {
      Write-Host $i.ToString("00000") $content_id "`t" $dlc_name "`t CONTENT NEEDS EXDATA" -BackgroundColor black -ForegroundColor red
    }
  } else {
    if (($content_id).length -eq 36) {
      Write-Host $i.ToString("00000") $content_id "`t PKG HAS ALREADY BEEN GENERATED" -BackgroundColor black -ForegroundColor blue
    } else {
      Write-Host $i.ToString("00000") $content_id "`t`t INVALID CONTENT ID (must be 36 characters exactly)" -BackgroundColor black -ForegroundColor red
    }
  }

}

Remove-Item $entitle_path -Force -Recurse

Write-Host "Fake DLC generation complete, press any key to exit."

$HOST.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown") | Out-Null
$HOST.UI.RawUI.Flushinputbuffer()