private async Task AddTransitivePackages(string project, PackageList licenses, Package result)
{
var groups = result.Metadata?.Dependencies?.Group;
if (_packageOptions.IncludeTransitive && groups != null)
{
foreach (var group in groups)
{
var dependant =
group
.Dependency
.Select(e => $"{e.Id},{e.Version}")
.Where(e => !licenses.Keys.Contains(e));
var dependantPackages = await GetNugetInformationAsync(project, dependant);
foreach (var dependantPackage in dependantPackages)
{
if (!licenses.ContainsKey(dependantPackage.Key))
{
licenses.Add(dependantPackage.Key, dependantPackage.Value);
}
}
}
}
}
private async Task ReadNuspecFile(string project, PackageList licenses, string packageWithVersion, Tuple <string, string> lookupKey, StreamReader textReader)
{
if (_serializer.Deserialize(new NamespaceIgnorantXmlTextReader(textReader)) is Package result)
{
licenses.Add(packageWithVersion, result);
await this.AddTransitivePackages(project, licenses, result);
_requestCache[lookupKey] = result;
await HandleLicensing(result);
}
}
/// <summary>
/// Get Nuget References per project
/// </summary>
/// <param name="project">project name</param>
/// <param name="packages">List of projects</param>
/// <returns></returns>
public async Task <PackageList> GetNugetInformationAsync(string project, IEnumerable <string> packages)
{
WriteOutput(Environment.NewLine + "project:" + project + Environment.NewLine, logLevel: LogLevel.Information);
var licenses = new PackageList();
foreach (var packageWithVersion in packages)
{
try
{
var split = packageWithVersion.Split(',');
var packageId = split[0];
var versionNumber = split[1];
if (string.IsNullOrWhiteSpace(packageId) || string.IsNullOrWhiteSpace(versionNumber))
{
WriteOutput($"Skipping invalid entry {packageWithVersion}", logLevel: LogLevel.Verbose);
continue;
}
if (_packageOptions.PackageFilter.Any(p => string.Compare(p, packageId, StringComparison.OrdinalIgnoreCase) == 0))
{
WriteOutput(packageId + " skipped by filter.", logLevel: LogLevel.Verbose);
continue;
}
var lookupKey = Tuple.Create(packageId, versionNumber);
if (_requestCache.TryGetValue(lookupKey, out var package))
{
WriteOutput(packageWithVersion + " obtained from request cache.", logLevel: LogLevel.Information);
licenses.TryAdd(packageWithVersion, package);
continue;
}
// Search nuspec in local cache
string userDir = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
var nuspecPath = Path.Combine(userDir, ".nuget", "packages", packageId, versionNumber, packageId + ".nuspec");
if (File.Exists(nuspecPath))
{
try
{
using (var textReader = new StreamReader(nuspecPath))
{
await ReadNuspecFile(project, licenses, packageWithVersion, lookupKey, textReader);
}
continue;
}
catch
{
// Ignore errors in local cache, try online call
}
}
// Try dowload nuspec
using (var request = new HttpRequestMessage(HttpMethod.Get, $"{packageId}/{versionNumber}/{packageId}.nuspec"))
using (var response = await _httpClient.SendAsync(request))
{
if (!response.IsSuccessStatusCode)
{
WriteOutput($"{request.RequestUri} failed due to {response.StatusCode}!", logLevel: LogLevel.Warning);
var fallbackResult = await GetNuGetPackageFileResult <Package>(packageId, versionNumber, $"{packageId}.nuspec");
if (fallbackResult is Package)
{
licenses.Add(packageWithVersion, fallbackResult);
await this.AddTransitivePackages(project, licenses, fallbackResult);
_requestCache[lookupKey] = fallbackResult;
await HandleLicensing(fallbackResult);
}
else
{
licenses.Add(packageWithVersion, new Package {
Metadata = new Metadata {
Version = versionNumber, Id = packageId
}
});
}
continue;
}
WriteOutput($"Successfully received {request.RequestUri}", logLevel: LogLevel.Information);
using (var responseText = await response.Content.ReadAsStreamAsync())
using (var textReader = new StreamReader(responseText))
{
try
{
await ReadNuspecFile(project, licenses, packageWithVersion, lookupKey, textReader);
}
catch (Exception e)
{
WriteOutput(e.Message, e, LogLevel.Error);
throw;
}
}
}
}
catch (Exception ex)
{
WriteOutput(ex.Message, ex, LogLevel.Error);
}
}
return(licenses);
}
/// <summary>
/// Get Nuget References per project
/// </summary>
/// <param name="project">project name</param>
/// <param name="packages">List of projects</param>
/// <returns></returns>
public async Task <PackageList> GetNugetInformationAsync(string project, IEnumerable <string> packages)
{
WriteOutput(Environment.NewLine + "project:" + project + Environment.NewLine, logLevel: LogLevel.Information);
var licenses = new PackageList();
foreach (var packageWithVersion in packages)
{
try
{
var split = packageWithVersion.Split(',');
var packageId = split[0];
var versionNumber = split[1];
if (string.IsNullOrWhiteSpace(packageId) || string.IsNullOrWhiteSpace(versionNumber))
{
WriteOutput($"Skipping invalid entry {packageWithVersion}", logLevel: LogLevel.Verbose);
continue;
}
if (_packageOptions.PackageFilter.Any(p => string.Compare(p, packageId, StringComparison.OrdinalIgnoreCase) == 0))
{
WriteOutput(packageId + " skipped by filter.", logLevel: LogLevel.Verbose);
continue;
}
var lookupKey = Tuple.Create(packageId, versionNumber);
if (_requestCache.TryGetValue(lookupKey, out var package))
{
WriteOutput(packageWithVersion + " obtained from request cache.", logLevel: LogLevel.Information);
licenses.TryAdd(packageWithVersion, package);
continue;
}
using (var request = new HttpRequestMessage(HttpMethod.Get, $"{packageId}/{versionNumber}/{packageId}.nuspec"))
using (var response = await _httpClient.SendAsync(request))
{
if (!response.IsSuccessStatusCode)
{
WriteOutput($"{request.RequestUri} failed due to {response.StatusCode}!", logLevel: LogLevel.Warning);
var fallbackResult = await GetNuGetPackageFileResult <Package>(packageId, versionNumber, $"{packageId}.nuspec");
if (fallbackResult is Package)
{
licenses.Add(packageWithVersion, fallbackResult);
_requestCache[lookupKey] = fallbackResult;
await HandleLicensing(fallbackResult);
}
continue;
}
WriteOutput($"Successfully received {request.RequestUri}", logLevel: LogLevel.Information);
using (var responseText = await response.Content.ReadAsStreamAsync())
using (var textReader = new StreamReader(responseText))
{
try
{
if (_serializer.Deserialize(new NamespaceIgnorantXmlTextReader(textReader)) is Package result)
{
licenses.Add(packageWithVersion, result);
_requestCache[lookupKey] = result;
await HandleLicensing(result);
}
}
catch (Exception e)
{
WriteOutput(e.Message, e, LogLevel.Error);
throw;
}
}
}
}
catch (Exception ex)
{
WriteOutput(ex.Message, ex, LogLevel.Error);
}
}
return(licenses);
}
/// <summary>
/// Get Nuget References per project
/// </summary>
/// <param name="project">project name</param>
/// <param name="packages">List of projects</param>
/// <returns></returns>
public async Task <PackageList> GetNugetInformationAsync(string project, IEnumerable <PackageNameAndVersion> packages)
{
WriteOutput(Environment.NewLine + "project:" + project + Environment.NewLine, logLevel: LogLevel.Information);
var licenses = new PackageList();
foreach (var packageWithVersion in packages)
{
var versions = packageWithVersion.Version.Trim(new char[] { '[', ']', '(', ')' }).Split(",");
foreach (var version in versions)
{
try
{
if (string.IsNullOrWhiteSpace(packageWithVersion.Name) || string.IsNullOrWhiteSpace(version))
{
WriteOutput($"Skipping invalid entry {packageWithVersion}", logLevel: LogLevel.Verbose);
continue;
}
if (_packageOptions.PackageFilter.Any(p => string.Compare(p, packageWithVersion.Name, StringComparison.OrdinalIgnoreCase) == 0) ||
_packageOptions.PackageRegex?.IsMatch(packageWithVersion.Name) == true)
{
WriteOutput(packageWithVersion.Name + " skipped by filter.", logLevel: LogLevel.Verbose);
continue;
}
var lookupKey = Tuple.Create(packageWithVersion.Name, version);
if (_requestCache.TryGetValue(lookupKey, out var package))
{
WriteOutput(packageWithVersion + " obtained from request cache.", logLevel: LogLevel.Information);
licenses.TryAdd($"{packageWithVersion.Name},{version}", package);
continue;
}
// Search nuspec in local cache (Fix for linux distro)
string userDir = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
var nuspecPath = CreateNuSpecPath(userDir, version, packageWithVersion.Name);
//Linux: package file name could be lowercase
if (IsLinux())
{
//Check package file
if (!File.Exists(nuspecPath))
{
//Try lowercase
nuspecPath = CreateNuSpecPath(userDir, version, packageWithVersion.Name?.ToLowerInvariant());
}
}
if (File.Exists(nuspecPath))
{
try
{
using var textReader = new StreamReader(nuspecPath);
await ReadNuspecFile(project, licenses, packageWithVersion.Name, version, lookupKey, textReader);
continue;
}
catch (Exception exc)
{
// Ignore errors in local cache, try online call
WriteOutput($"ReadNuspecFile error, package '{packageWithVersion.Name}'", exc, LogLevel.Verbose);
}
}
else
{
WriteOutput($"Package '{packageWithVersion.Name}' not found in local cache ({nuspecPath})..", logLevel: LogLevel.Verbose);
}
// Try dowload nuspec
using var request = new HttpRequestMessage(HttpMethod.Get, $"{packageWithVersion.Name}/{version}/{packageWithVersion.Name}.nuspec");
using var response = await _httpClient.SendAsync(request);
if (!response.IsSuccessStatusCode)
{
WriteOutput($"{request.RequestUri} failed due to {response.StatusCode}!", logLevel: LogLevel.Warning);
var fallbackResult = await GetNuGetPackageFileResult <Package>(packageWithVersion.Name, version, $"{packageWithVersion.Name}.nuspec");
if (fallbackResult is Package)
{
licenses.Add($"{packageWithVersion.Name},{version}", fallbackResult);
await this.AddTransitivePackages(project, licenses, fallbackResult);
_requestCache[lookupKey] = fallbackResult;
await HandleLicensing(fallbackResult);
}
else
{
licenses.Add($"{packageWithVersion.Name},{version}", new Package {
Metadata = new Metadata {
Version = version, Id = packageWithVersion.Name
}
});
}
continue;
}
WriteOutput($"Successfully received {request.RequestUri}", logLevel: LogLevel.Information);
using (var responseText = await response.Content.ReadAsStreamAsync())
using (var textReader = new StreamReader(responseText))
{
try
{
await ReadNuspecFile(project, licenses, packageWithVersion.Name, version, lookupKey, textReader);
}
catch (Exception e)
{
WriteOutput(e.Message, e, LogLevel.Error);
throw;
}
}
}
catch (Exception ex)
{
WriteOutput(ex.Message, ex, LogLevel.Error);
}
}
}
return(licenses);
