/// <summary>
/// Searches the package manager metadata to figure out the source code repository.
/// </summary>
/// <param name="purl">The <see cref="PackageURL"/> that we need to find the source code repository.</param>
/// <param name="metadata">The json representation of this package's metadata.</param>
/// <remarks>If no version specified, defaults to latest version.</remarks>
/// <returns>
/// A dictionary, mapping each possible repo source entry to its probability/empty dictionary
/// </returns>
protected override async Task <Dictionary <PackageURL, double> > SearchRepoUrlsInPackageMetadata(PackageURL purl, string metadata)
{
Dictionary <PackageURL, double> mapping = new();
try
{
string?version = purl.Version;
if (string.IsNullOrEmpty(version))
{
version = (await EnumerateVersionsAsync(purl)).First();
}
NuspecReader? nuspecReader = GetNuspec(purl.Name, version);
RepositoryMetadata?repositoryMetadata = nuspecReader?.GetRepositoryMetadata();
if (repositoryMetadata != null && GitHubProjectManager.IsGitHubRepoUrl(repositoryMetadata.Url, out PackageURL? githubPurl))
{
if (githubPurl != null)
{
mapping.Add(githubPurl, 1.0F);
}
}
return(mapping);
}
catch (Exception ex)
{
Logger.Debug(ex, $"Error fetching/parsing NuGet repository metadata: {ex.Message}");
}
// If nothing worked, return the default empty dictionary
return(mapping);
}
/// <summary>
/// Updates the <see cref="Repository"/> for this package version in the <see cref="PackageMetadata"/>.
/// </summary>
/// <param name="metadata">The <see cref="PackageMetadata"/> object to update with the values for this version.</param>
private async Task UpdateMetadataRepository(PackageMetadata metadata)
{
NuspecReader? nuspecReader = GetNuspec(metadata.Name !, metadata.PackageVersion !);
RepositoryMetadata?repositoryMetadata = nuspecReader?.GetRepositoryMetadata();
if (repositoryMetadata != null && GitHubProjectManager.IsGitHubRepoUrl(repositoryMetadata.Url, out PackageURL? githubPurl))
{
Repository ghRepository = new()
{
Type = "github"
};
await ghRepository.ExtractRepositoryMetadata(githubPurl !);
metadata.Repository ??= new List <Repository>();
metadata.Repository.Add(ghRepository);
}
}