BcContainerHelper

6.0.19

NuGet/NuGetFeedClass.ps1

                                #requires -Version 5.0

[NuGetFeed[]] $NuGetFeedCache = @()

# PROOF OF CONCEPT PREVIEW: This class holds the connection to a NuGet feed

class NuGetFeed {

    [string] $url

    [string] $token

    [string[]] $patterns

    [string[]] $fingerprints

    [string] $searchQueryServiceUrl

    [string] $packagePublishUrl

    [string] $packageBaseAddressUrl

    NuGetFeed([string] $nuGetServerUrl, [string] $nuGetToken, [string[]] $patterns, [string[]] $fingerprints) {

        $this.url = $nuGetServerUrl

        $this.token = $nuGetToken

        $this.patterns = $patterns

        $this.fingerprints = $fingerprints

        # When trusting nuget.org, you should only trust packages signed by an author or packages matching a specific pattern (like using a registered prefix or a full name)

        if ($nuGetServerUrl -like 'https://api.nuget.org/*' -and $patterns.Contains('*') -and (!$fingerprints -or $fingerprints.Contains('*'))) {

            throw "Trusting all packages on nuget.org is not supported"

        }

        try {

            $prev = $global:ProgressPreference; $global:ProgressPreference = "SilentlyContinue"

            $capabilities = Invoke-RestMethod -UseBasicParsing -Method GET -Headers ($this.GetHeaders()) -Uri $this.url

            $global:ProgressPreference = $prev

            $this.searchQueryServiceUrl = $capabilities.resources | Where-Object { $_.'@type' -eq 'SearchQueryService' } | Select-Object -ExpandProperty '@id' | Select-Object -First 1

            if (!$this.searchQueryServiceUrl) {

                # Azure DevOps doesn't support SearchQueryService, but SearchQueryService/3.0.0-beta

                $this.searchQueryServiceUrl = $capabilities.resources | Where-Object { $_.'@type' -eq 'SearchQueryService/3.0.0-beta' } | Select-Object -ExpandProperty '@id' | Select-Object -First 1

            }

            $this.packagePublishUrl = $capabilities.resources | Where-Object { $_."@type" -eq 'PackagePublish/2.0.0' } | Select-Object -ExpandProperty '@id' | Select-Object -First 1

            $this.packageBaseAddressUrl = $capabilities.resources | Where-Object { $_."@type" -eq 'PackageBaseAddress/3.0.0' } | Select-Object -ExpandProperty '@id' | Select-Object -First 1

            if (!$this.searchQueryServiceUrl -or !$this.packagePublishUrl -or !$this.packageBaseAddressUrl) {

                Write-Host "Capabilities of NuGet server $($this.url) are not supported"

                $capabilities.resources | ForEach-Object { Write-Host "- $($_.'@type')"; Write-Host "-> $($_.'@id')" }

            }

            Write-Verbose "Capabilities of NuGet server $($this.url) are:"

            Write-Verbose "- SearchQueryService=$($this.searchQueryServiceUrl)"

            Write-Verbose "- PackagePublish=$($this.packagePublishUrl)"

            Write-Verbose "- PackageBaseAddress=$($this.packageBaseAddressUrl)"

        }

        catch {

            throw (GetExtendedErrorMessage $_)

        }

    }

    static [NuGetFeed] Create([string] $nuGetServerUrl, [string] $nuGetToken, [string[]] $patterns, [string[]] $fingerprints) {

        $nuGetFeed = $script:NuGetFeedCache | Where-Object { $_.url -eq $nuGetServerUrl -and $_.token -eq $nuGetToken -and (-not (Compare-Object $_.patterns $patterns)) -and (-not (Compare-Object $_.fingerprints $fingerprints)) }

        if (!$nuGetFeed) {

            $nuGetFeed = [NuGetFeed]::new($nuGetServerUrl, $nuGetToken, $patterns, $fingerprints)

            $script:NuGetFeedCache += $nuGetFeed

        }

        return $nuGetFeed

    }

    [void] Dump([string] $message) {

        Write-Host $message

    }

    [hashtable] GetHeaders() {

        $headers = @{

            "Content-Type" = "application/json; charset=utf-8"

        }

        # nuget.org only support anonymous access

        if ($this.token -and $this.url -notlike 'https://api.nuget.org/*') {

            $headers += @{

                "Authorization" = "Basic $([Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes("user:$($this.token)")))"

            }

        }

        return $headers

    }

    [bool] IsTrusted([string] $packageId) {

        return ($packageId -and ($this.patterns | Where-Object { $packageId -like $_ }))

    }

    [hashtable[]] Search([string] $packageName) {

        if ($this.searchQueryServiceUrl -match '^https://nuget.pkg.github.com/(.*)/query$') {

            # GitHub support for SearchQueryService is unstable and is not usable

            # use GitHub API instead

            # GitHub API unfortunately doesn't support filtering, so we need to filter ourselves

            $organization = $matches[1]

            $headers = @{

                "Accept" = "application/vnd.github+json"

                "X-GitHub-Api-Version" = "2022-11-28"

            }

            if ($this.token) {

                $headers += @{

                    "Authorization" = "Bearer $($this.token)"

                }

            }

            $queryUrl = "https://api.github.com/orgs/$organization/packages?package_type=nuget&per_page=100&page="

            $page = 1

            Write-Host -ForegroundColor Yellow "Search package using $queryUrl$page"

            $matching = @()

            while ($true) {

                $result = Invoke-RestMethod -Method GET -Headers $headers -Uri "$queryUrl$page"

                if ($result.Count -eq 0) {

                    break

                }

                $matching += @($result | Where-Object { $_.name -like "*$packageName*" -and $this.IsTrusted($_.name) } | Sort-Object { $_.name.replace('.symbols','') } | ForEach-Object { @{ "id" = $_.name; "versions" = @() } } )

                $page++

            }

        }

        else {

            $queryUrl = "$($this.searchQueryServiceUrl)?q=$packageName&take=50"

            try {

                Write-Host -ForegroundColor Yellow "Search package using $queryUrl"

                $prev = $global:ProgressPreference; $global:ProgressPreference = "SilentlyContinue"

                $searchResult = Invoke-RestMethod -UseBasicParsing -Method GET -Headers ($this.GetHeaders()) -Uri $queryUrl

                $global:ProgressPreference = $prev

            }

            catch {

                throw (GetExtendedErrorMessage $_)

            }

            # Check that the found pattern matches the package name and the trusted patterns

            $matching = @($searchResult.data | Where-Object { $_.id -like "*$($packageName)*" -and $this.IsTrusted($_.id) } | Sort-Object { $_.id.replace('.symbols','') } | ForEach-Object { @{ "id" = $_.id; "versions" = @($_.versions.version) } } )

        }

        $exact = $matching | Where-Object { $_.id -eq $packageName -or $_.id -eq "$packageName.symbols" }

        if ($exact) {

            Write-Host "Exact match found for $packageName"

            $matching = $exact

        }

        else {

            Write-Host "$($matching.count) matching packages found"

        }

        return $matching | ForEach-Object { Write-Host "- $($_.id)"; $_ }

    }

    [string[]] GetVersions([hashtable] $package, [bool] $descending, [bool] $allowPrerelease) {

        if (!$this.IsTrusted($package.id)) {

            throw "Package $($package.id) is not trusted on $($this.url)"

        }

        if ($package.versions.count -ne 0) {

            $versionsArr = $package.versions

        }

        else {

            $queryUrl = "$($this.packageBaseAddressUrl.TrimEnd('/'))/$($package.Id.ToLowerInvariant())/index.json"

            try {

                Write-Host -ForegroundColor Yellow "Get versions using $queryUrl"

                $prev = $global:ProgressPreference; $global:ProgressPreference = "SilentlyContinue"

                $versions = Invoke-RestMethod -UseBasicParsing -Method GET -Headers ($this.GetHeaders()) -Uri $queryUrl

                $global:ProgressPreference = $prev

            }

            catch {

                throw (GetExtendedErrorMessage $_)

            }

            $versionsArr = @($versions.versions)

        }

        Write-Host "$($versionsArr.count) versions found"

        $versionsArr = @($versionsArr | Where-Object { $allowPrerelease -or !$_.Contains('-') } | Sort-Object { ($_ -replace '-.+$') -as [System.Version]  }, { "$($_)z" } -Descending:$descending | ForEach-Object { "$_" })

        Write-Host "First version is $($versionsArr[0])"

        Write-Host "Last version is $($versionsArr[$versionsArr.Count-1])"

        return $versionsArr

    }

    # Normalize name or publisher name to be used in nuget id

    static [string] Normalize([string] $name) {

        return $name -replace '[^a-zA-Z0-9_\-]',''

    }

    static [string] NormalizeVersionStr([string] $versionStr) {

        $idx = $versionStr.IndexOf('-')

        $version = [System.version]($versionStr.Split('-')[0])

        if ($version.Build -eq -1) { $version = [System.Version]::new($version.Major, $version.Minor, 0, 0) }

        if ($version.Revision -eq -1) { $version = [System.Version]::new($version.Major, $version.Minor, $version.Build, 0) }

        if ($idx -gt 0) {

            return "$version$($versionStr.Substring($idx))"

        }

        else {

            return "$version"

        }

    }

    static [Int32] CompareVersions([string] $version1, [string] $version2) {

        $ver1 = $version1 -replace '-.+$' -as [System.Version]

        $ver2 = $version2 -replace '-.+$' -as [System.Version]

        if ($ver1 -eq $ver2) {

            # add a 'z' to the version to make sure that 5.1.0 is greater than 5.1.0-beta

            # Tags are sorted alphabetically (alpha, beta, rc, etc.), even though this shouldn't matter

            # New prerelease versions will always have a new version number

            return [string]::Compare("$($version1)z", "$($version2)z")

        }

        elseif ($ver1 -gt $ver2) {

            return 1

        }

        else {

            return -1

        }

    }

    # Test if version is included in NuGet version range

    # https://learn.microsoft.com/en-us/nuget/concepts/package-versioning#version-ranges

    static [bool] IsVersionIncludedInRange([string] $versionStr, [string] $nuGetVersionRange) {

        $version = $versionStr -replace '-.+$' -as [System.Version]

        if ($nuGetVersionRange -match '^\s*([\[(]?)([\d\.]*)(,?)([\d\.]*)([\])]?)\s*$') {

            $inclFrom = $matches[1] -ne '('

            $range = $matches[3] -eq ','

            $inclTo = $matches[5] -eq ']'

            if ($matches[1] -eq '' -and $matches[5] -eq '') {

                $range = $true

            }

            if ($matches[2]) {

                $fromver = [System.Version]$matches[2]

            }

            else {

                $fromver = [System.Version]::new(0,0,0,0)

                if ($inclFrom) {

                    Write-Host "Invalid NuGet version range $nuGetVersionRange"

                    return $false

                }

            }

            if ($matches[4]) {

                $tover = [System.Version]$matches[4]

            }

            elseif ($range) {

                $tover = [System.Version]::new([int32]::MaxValue,[int32]::MaxValue,[int32]::MaxValue,[int32]::MaxValue)

                if ($inclTo) {

                    Write-Host "Invalid NuGet version range $nuGetVersionRange"

                    return $false

                }

            }

            else {

                $tover = $fromver

            }

            if (!$range -and (!$inclFrom -or !$inclTo)) {

                Write-Host "Invalid NuGet version range $nuGetVersionRange"

                return $false

            }

            if ($inclFrom) {

                if ($inclTo) {

                    return $version -ge $fromver -and $version -le $tover

                }

                else {

                    return $version -ge $fromver -and $version -lt $tover

                }

            }

            else {

                if ($inclTo) {

                    return $version -gt $fromver -and $version -le $tover

                }

                else {

                    return $version -gt $fromver -and $version -lt $tover

                }

            }

        }

        return $false

    }

    [string] FindPackageVersion([hashtable] $package, [string] $nuGetVersionRange, [string[]] $excludeVersions, [string] $select, [bool] $allowPrerelease) {

        $versions = $this.GetVersions($package, ($select -ne 'Earliest'), $allowPrerelease)

        if ($excludeVersions) {

            Write-Host "Exclude versions: $($excludeVersions -join ', ')"

        }

        foreach($version in $versions ) {

            if ($excludeVersions -contains $version) {

                continue

            }

            if (($select -eq 'Exact' -and [NuGetFeed]::NormalizeVersionStr($nuGetVersionRange) -eq [NuGetFeed]::NormalizeVersionStr($version)) -or ($select -ne 'Exact' -and [NuGetFeed]::IsVersionIncludedInRange($version, $nuGetVersionRange))) {

                if ($nuGetVersionRange -eq '0.0.0.0') {

                    Write-Host "$select version is $version"

                }

                else {

                    Write-Host "$select version matching '$nuGetVersionRange' is $version"

                }

                return $version

            }

        }

        return ''

    }

    [xml] DownloadNuSpec([string] $packageId, [string] $version) {

        if (!$this.IsTrusted($packageId)) {

            throw "Package $packageId is not trusted on $($this.url)"

        }

        $queryUrl = "$($this.packageBaseAddressUrl.TrimEnd('/'))/$($packageId.ToLowerInvariant())/$($version.ToLowerInvariant())/$($packageId.ToLowerInvariant()).nuspec"

        try {

            Write-Host "Download nuspec using $queryUrl"

            $prev = $global:ProgressPreference; $global:ProgressPreference = "SilentlyContinue"

            $tmpFile = Join-Path ([System.IO.Path]::GetTempPath()) "$([GUID]::NewGuid().ToString()).nuspec"

            Invoke-RestMethod -UseBasicParsing -Method GET -Headers ($this.GetHeaders()) -Uri $queryUrl -OutFile $tmpFile

            $nuspec = Get-Content -Path $tmpfile -Encoding UTF8 -Raw

            Remove-Item -Path $tmpFile -Force

            $global:ProgressPreference = $prev

        }

        catch {

            throw (GetExtendedErrorMessage $_)

        }

        return [xml]$nuspec

    }

    [string] DownloadPackage([string] $packageId, [string] $version) {

        if (!$this.IsTrusted($packageId)) {

            throw "Package $packageId is not trusted on $($this.url)"

        }

        $queryUrl = "$($this.packageBaseAddressUrl.TrimEnd('/'))/$($packageId.ToLowerInvariant())/$($version.ToLowerInvariant())/$($packageId.ToLowerInvariant()).$($version.ToLowerInvariant()).nupkg"

        $tmpFolder = Join-Path ([System.IO.Path]::GetTempPath()) ([GUID]::NewGuid().ToString())    

        try {

            Write-Host -ForegroundColor Green "Download package using $queryUrl"

            $prev = $global:ProgressPreference; $global:ProgressPreference = "SilentlyContinue"

            $filename = "$tmpFolder.zip"

            Invoke-RestMethod -UseBasicParsing -Method GET -Headers ($this.GetHeaders()) -Uri $queryUrl -OutFile $filename

            if ($this.fingerprints) {

                $arguments = @("nuget", "verify", $filename)

                if ($this.fingerprints.Count -eq 1 -and $this.fingerprints[0] -eq '*') {

                    Write-Host "Verifying package using any certificate"

                }

                else {

                    Write-Host "Verifying package using $($this.fingerprints -join ', ')"

                    $arguments += @("--certificate-fingerprint $($this.fingerprints -join ' --certificate-fingerprint ')")

                }

                cmddo -command 'dotnet' -arguments $arguments -silent -messageIfCmdNotFound "dotnet not found. Please install it from https://dotnet.microsoft.com/download"

            }

            Expand-Archive -Path $filename -DestinationPath $tmpFolder -Force

            $global:ProgressPreference = $prev

            Remove-Item $filename -Force

            Write-Host "Package successfully downloaded"

        }

        catch {

            throw (GetExtendedErrorMessage $_)

        }

        return $tmpFolder

    }

    [void] PushPackage([string] $package) {

        if (!($this.token)) {

            throw "NuGet token is required to push packages"

        }

        Write-Host "Preparing NuGet Package for submission"

        $headers = $this.GetHeaders()

        $headers += @{

            "X-NuGet-ApiKey" = $this.token

            "X-NuGet-Client-Version" = "6.3.0"

        }

        $FileContent = [System.IO.File]::ReadAllBytes($package)

        $boundary = [System.Guid]::NewGuid().ToString(); 

        $LF = "`r`n";

        $body  = [System.Text.Encoding]::UTF8.GetBytes("--$boundary$LF")

        $body += [System.Text.Encoding]::UTF8.GetBytes("Content-Type: application/octet-stream$($LF)Content-Disposition: form-data; name=package; filename=""$([System.IO.Path]::GetFileName($package))""$($LF)$($LF)")

        $body += $fileContent

        $body += [System.Text.Encoding]::UTF8.GetBytes("$LF--$boundary--$LF")

        $tmpFile = Join-Path ([System.IO.Path]::GetTempPath()) ([GUID]::NewGuid().ToString())

        [System.IO.File]::WriteAllBytes($tmpFile, $body)

        Write-Host "Submitting NuGet package"

        try {

            Invoke-RestMethod -UseBasicParsing -Uri $this.packagePublishUrl -ContentType "multipart/form-data; boundary=$boundary" -Method Put -Headers $headers -inFile $tmpFile | Out-Host

            Write-Host -ForegroundColor Green "NuGet package successfully submitted"

        }

        catch [System.Net.WebException] {

            if ($_.Exception.Status -eq "ProtocolError" -and $_.Exception.Response -is [System.Net.HttpWebResponse]) {

                $response = [System.Net.HttpWebResponse]($_.Exception.Response)

                if ($response.StatusCode -eq [System.Net.HttpStatusCode]::Conflict) {

                    Write-Host -ForegroundColor Yellow "NuGet package already exists"

                }

                else {

                    throw (GetExtendedErrorMessage $_)

                }

            }

            else {

                throw (GetExtendedErrorMessage $_)

            }

        }

        catch {

            throw (GetExtendedErrorMessage $_)

        }

        finally {

            Remove-Item $tmpFile -Force -ErrorAction SilentlyContinue

        }

    }

}

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