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Merged
Josh Wittner (jwittner) merged 1 commit into from
Aug 3, 2023
Merged

Search another well known listing page when hash is known #253

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22 changes: 18 additions & 4 deletions UnitySetup/UnitySetup.psm1
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Original file line number Diff line number Diff line change
Expand Up @@ -485,11 +485,16 @@ function Find-UnitySetupInstaller {
}
}

if($Hash -ne ""){
$searchPages += "http://beta.unity3d.com/download/$Hash/download.html"
}

foreach ($page in $searchPages) {
try {
Write-Verbose "Searching page - $page"
$webResult = Invoke-WebRequest $page -UseBasicParsing
$prototypeLink = $webResult.Links |
Select-Object -ExpandProperty href -ErrorAction SilentlyContinue |
Select-Object -ExpandProperty href -ErrorAction SilentlyContinue |
Where-Object {
$link = $_

Expand All @@ -500,11 +505,18 @@ function Find-UnitySetupInstaller {
}

return $false

} |
} |
Select-Object -First 1

if ($null -ne $prototypeLink) { break }
if ($null -ne $prototypeLink)
{
# Ensure prototype link is absolute uri
if(-not [system.uri]::IsWellFormedUriString($_,[System.UriKind]::Absolute)) {
$prototypeLink = "$([system.uri]::new([system.uri]$page, [system.uri]$prototypeLink))"
}

break
}
}
catch {
Write-Verbose "$page failed: $($_.Exception.Message)"
Expand All @@ -515,6 +527,7 @@ function Find-UnitySetupInstaller {
throw "Could not find archives for Unity version $Version"
}

Write-Verbose "Prototype link found: $prototypeLink"
$linkComponents = $prototypeLink -split $unitySetupRegEx -ne ""

if ($knownBaseUrls -notcontains $linkComponents[0]) {
Expand All @@ -535,6 +548,7 @@ function Find-UnitySetupInstaller {
foreach ( $baseUrl in $knownBaseUrls) {
$endpoint = [uri][System.IO.Path]::Combine($baseUrl, $linkComponents[1], $template);
try {
Write-Verbose "Attempting to get component $_ details from endpoint: $endpoint"
$testResult = Invoke-WebRequest $endpoint -Method HEAD -UseBasicParsing
# For packages on macOS the Content-Length and Last-Modified are returned as an array.
if ($testResult.Headers['Content-Length'] -is [System.Array]) {
Expand Down