private async Task <List <string> > GetLicenseUrls(FileInfo[] nupkgFiles)
{
var retVal = new List <string>();
foreach (var nupkgFile in nupkgFiles)
{
var tempPath = Path.GetTempPath();
var archivePath = Path.Combine(tempPath, Guid.NewGuid().ToString());
System.IO.Compression.ZipFile.ExtractToDirectory(nupkgFile.FullName, archivePath);
var directory = new DirectoryInfo(archivePath);
var nuspecs = directory.GetFiles("*.nuspec");
if (nuspecs?.Any() == true)
{
foreach (var nuspec in nuspecs)
{
var xml = await _fileUtilities.ReadXmlDocument(nuspec);
var licenseElements = xml.GetElementsByTagName("licenseUrl");
if (licenseElements.Count > 0)
{
foreach (XmlNode licenseElement in licenseElements)
{
if (licenseElement != null)
{
retVal.Add(licenseElement.InnerText);
}
}
}
}
}
_fileUtilities.DeleteDirectory(directory);
}
return(retVal);
}