79 lines
3.2 KiB
PowerShell
79 lines
3.2 KiB
PowerShell
function Get-PackageFile {
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<#
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.SYNOPSIS
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Downloads a specific file from proget and returns it. Throws an exception if the file doesn't exist.
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This should only be used to download string/config files.
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#>
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[CmdletBinding()]
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Param(
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[Parameter(Mandatory = $true)]
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[string]$FeedSource,
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[Parameter(Mandatory = $true)]
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[string]$Name,
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[Parameter(Mandatory = $true)]
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[string]$Version,
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[Parameter(Mandatory = $true)]
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[string]$PackagePath,
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[Parameter(Mandatory = $false)]
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[PSCredential]$Credential = $null
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)
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$loglead = (Get-LogLeadName);
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# Make sure the input feed URL is a nuget feed.
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$url = $feedSource.Replace("\", "/")
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if ($url -notlike "https://*/nuget/*") {
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Write-Error "$loglead : Feed URL must be in the format of `"https://feed.com/nuget/feed.name`""
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return
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}
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# If a PSCredential is specified build a basic authentication header.
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$headers = (Get-BasicAuthHeader -Credential $Credential)
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# Replace package path back slashes with forward slashes, to play nicely in the URL.
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$packagePath = $packagePath.Replace("\", "/")
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# Parse out the base proget URL and the feed name.
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$searchString = "/nuget/"
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$index = $url.IndexOf($searchString)
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$baseUrl = $url.Substring(0, $index)
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$feedName = $url.Substring($index + $searchString.Length)
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$feedName = $feedName.TrimEnd('/')
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Write-Verbose "$loglead : Base URL: $baseUrl"
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Write-Verbose "$loglead : Feed Name: $feedname"
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# Make sure the case sensitivity of the package name is correct by querying for package files, and
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# looking for the specific file in a case insensitive manner.
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$filesUrl = "$baseUrl/package-files/list?packageId=$($name)&version=$($version)&feedName=$($feedName)"
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Write-Host "$loglead : Querying for package files at endpoint: $filesUrl"
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try {
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$filesResponse = Invoke-ProgetRequest -URI $filesUrl -Headers $headers
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$files = [System.IO.StreamReader]::new($filesResponse.RawContentStream).ReadToEnd() | ConvertFrom-Json
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$fileSearch = $files | Where-Object { $_.fullPath -like $packagePath }
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} catch {
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$fileSearch = $null
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}
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Write-Host "$loglead : Done Querying for package files at endpoint: $filesUrl"
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if ($null -eq $fileSearch) {
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Write-Warning "Package file `"$($packagePath)`" could not be found in $name $version"
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return $null
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}
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$packagePath = $fileSearch | Select-Object -First 1 -ExpandProperty "fullPath"
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# Note: This is a query to download the package .nuspec file. This is a not a query for the filenames/contents of the package.
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$nuspecUrl = "$baseUrl/package-files/download?packageId=$name&version=$version&feedName=$feedName&path=$packagePath"
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# Download.
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Write-Host "$loglead : Querying for nuspec file at endpoint: $nuspecUrl"
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$response = Invoke-ProgetRequest -URI $nuspecUrl -Headers $headers
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# StreamReader interprets byte order marks and skips it, if it exists.
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$result = [System.IO.StreamReader]::new($response.RawContentStream).ReadToEnd()
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Write-Host "$loglead : Completed querying nuspec file at endpoint: $nuspecUrl"
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return $result
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}
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