EPiServerDocumentFilter.cs

class EPiServerDocumentFilter : IDocumentFilter
{
  private readonly string[] _assembliesToExclude = new string[]
  {
    "EPiServer.ApplicationModules",
    "EPiServer.BaseLibrary",
    "EPiServer.Configuration",
    "EPiServer.Data.Cache",
    "EPiServer.Data",
    "EPiServer",
    "EPiServer.Enterprise",
    "EPiServer.Events",
    "EPiServer.Find.Cms",
    "EPiServer.Find",
    "EPiServer.Find.Framework",
    "EPiServer.Find.Optimizations",
    "EPiServer.Find.Statistics",
    "EPiServer.Find.UI",
    "EPiServer.Find",
    "EPiServer.Framework",
    "EPiServer.ImageLibrary",
    "EPiServer.Implementation",
    "EPiServer.Licensing",
    "EPiServer.LinkAnalyzer",
    "EPiServer.Logging.Log4Net",
    "EPiServer.Shell",
    "EPiServer.Web.WebControls",
    "EPiServer.WorkflowFoundation",
    "EPiServer.XForms"
  };

  public void Apply(SwaggerDocument swaggerDoc, SchemaRegistry schemaRegistry, System.Web.Http.Description.IApiExplorer apiExplorer)
  {
    IList<ApiDescription> removals = new List<ApiDescription>();

    foreach (ApiDescription description in apiExplorer.ApiDescriptions)
    {
      if(description.ActionDescriptor == null)
        continue;

      if(description.ActionDescriptor.ControllerDescriptor == null)
        continue;

      if(description.ActionDescriptor.ControllerDescriptor.ControllerType == null)
        continue;

      //Derive name
      AssemblyName assemblyName = description.ActionDescriptor.ControllerDescriptor.ControllerType.Assembly.GetName();

      if (this._assembliesToExclude.Contains(assemblyName.Name, StringComparer.InvariantCultureIgnoreCase))
        removals.Add(description);
    }

    foreach (ApiDescription index in removals)
    {
      string apiPath = ApiDescriptionExtensions.RelativePathSansQueryString(index);

      swaggerDoc.paths.Remove("/" + apiPath);
    }

  }
}