rain
74 lines
2.6 KiB
PowerShell
74 lines
2.6 KiB
PowerShell
$ErrorActionPreference = 'Stop'
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$root = Split-Path -Parent $PSScriptRoot
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$asset = Join-Path $root 'static/assets/modules/auth/opaque/a02-login-panel.png'
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if (-not (Test-Path -LiteralPath $asset)) {
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throw 'Missing A02 login-panel asset'
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}
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Add-Type -AssemblyName System.Drawing
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$bitmap = [System.Drawing.Bitmap]::FromFile($asset)
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$width = [int]$bitmap.Width
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$height = [int]$bitmap.Height
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$corners = @(
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$bitmap.GetPixel(0, 0).A,
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$bitmap.GetPixel(($width - 1), 0).A,
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$bitmap.GetPixel(0, ($height - 1)).A,
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$bitmap.GetPixel(($width - 1), ($height - 1)).A
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)
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$bitmap.Dispose()
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$ratio = [double]$width / $height
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if ($width -ne 940 -or $height -ne 1672) { throw 'A02 login-panel asset must remain 940 x 1672px.' }
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if ([Math]::Abs($ratio - 0.5622) -gt 0.001) { throw 'A02 login-panel asset must retain its approved panel ratio.' }
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if (($corners | Where-Object { $_ -ne 255 }).Count -ne 0) { throw 'A02 login-panel asset must have opaque outer corners.' }
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$agreementAssets = @(
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'static/assets/modules/auth/transparent/a02-agreement-unchecked.png',
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'static/assets/modules/auth/transparent/a02-agreement-checked.png'
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)
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foreach ($agreementAssetRelativePath in $agreementAssets) {
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$agreementAsset = Join-Path $root $agreementAssetRelativePath
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if (-not (Test-Path -LiteralPath $agreementAsset)) {
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throw "Missing A02 agreement asset: $agreementAssetRelativePath"
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}
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$agreementBitmap = [System.Drawing.Bitmap]::FromFile($agreementAsset)
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try {
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if ($agreementBitmap.Width -ne 96 -or $agreementBitmap.Height -ne 96) {
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throw "A02 agreement asset must be 96 x 96px: $agreementAssetRelativePath"
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}
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if (-not [System.Drawing.Image]::IsAlphaPixelFormat($agreementBitmap.PixelFormat)) {
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throw "A02 agreement asset must retain an alpha channel: $agreementAssetRelativePath"
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}
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$agreementCorners = @(
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$agreementBitmap.GetPixel(0, 0).A,
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$agreementBitmap.GetPixel(95, 0).A,
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$agreementBitmap.GetPixel(0, 95).A,
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$agreementBitmap.GetPixel(95, 95).A
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)
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if (($agreementCorners | Where-Object { $_ -ne 0 }).Count -ne 0) {
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throw "A02 agreement asset must have transparent outer corners: $agreementAssetRelativePath"
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}
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$hasOpaquePixel = $false
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for ($y = 0; $y -lt 96 -and -not $hasOpaquePixel; $y += 1) {
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for ($x = 0; $x -lt 96; $x += 1) {
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if ($agreementBitmap.GetPixel($x, $y).A -eq 255) {
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$hasOpaquePixel = $true
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break
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}
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}
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}
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if (-not $hasOpaquePixel) {
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throw "A02 agreement asset must contain an opaque icon: $agreementAssetRelativePath"
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}
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} finally {
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$agreementBitmap.Dispose()
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}
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}
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Write-Output 'A02-ASSET-ALPHA-AUDIT PASS'
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