public ExtensionEntry Load(ExtensionDescriptor descriptor)
{
if (!descriptor.Location.StartsWith("~/Core/")) {
return null;
}
var plocation = _hostEnvironment.MapPath("~/Core");
using (_loaderContainer.AddLoader(_extensionAssemblyLoader.WithPath(plocation))) {
var assembly = Assembly.Load(new AssemblyName(CoreAssemblyName));
_logger.LogInformation("Loaded referenced extension \"{0}\": assembly name=\"{1}\"", descriptor.Name, assembly.FullName);
return new ExtensionEntry {
Descriptor = descriptor,
Assembly = assembly,
ExportedTypes = assembly.ExportedTypes.Where(x => IsTypeFromModule(x, descriptor))
};
}
}
public ExtensionEntry Load(ExtensionDescriptor descriptor)
{
if (!ExtensionsVirtualPathPrefixes.Contains(descriptor.Location)) {
return null;
}
var plocation = _hostEnvironment.MapPath(descriptor.Location);
using (_loaderContainer.AddLoader(_extensionAssemblyLoader.WithPath(plocation))) {
var assembly = Assembly.Load(new AssemblyName(descriptor.Id));
_logger.LogInformation("Loaded referenced extension \"{0}\": assembly name=\"{1}\"", descriptor.Name, assembly.FullName);
return new ExtensionEntry {
Descriptor = descriptor,
Assembly = assembly,
ExportedTypes = assembly.ExportedTypes
};
}
}
public static ExtensionDescriptor GetDescriptorForExtension(string locationPath, string extensionId, string extensionType, string manifestText)
{
Dictionary<string, string> manifest = ParseManifest(manifestText);
var extensionDescriptor = new ExtensionDescriptor {
Location = locationPath,
Id = extensionId,
ExtensionType = extensionType,
Name = GetValue(manifest, NameSection) ?? extensionId,
Path = GetValue(manifest, PathSection),
Description = GetValue(manifest, DescriptionSection),
Version = GetValue(manifest, VersionSection),
OrchardVersion = GetValue(manifest, OrchardVersionSection),
Author = GetValue(manifest, AuthorSection),
WebSite = GetValue(manifest, WebsiteSection),
Tags = GetValue(manifest, TagsSection),
AntiForgery = GetValue(manifest, AntiForgerySection),
Zones = GetValue(manifest, ZonesSection),
BaseTheme = GetValue(manifest, BaseThemeSection),
SessionState = GetValue(manifest, SessionStateSection)
};
extensionDescriptor.Features = GetFeaturesForExtension(manifest, extensionDescriptor);
return extensionDescriptor;
}
private static IEnumerable<FeatureDescriptor> GetFeaturesForExtension(IDictionary<string, string> manifest, ExtensionDescriptor extensionDescriptor)
{
var featureDescriptors = new List<FeatureDescriptor>();
// Default feature
FeatureDescriptor defaultFeature = new FeatureDescriptor {
Id = extensionDescriptor.Id,
Name = GetValue(manifest, FeatureNameSection) ?? extensionDescriptor.Name,
Priority = GetValue(manifest, PrioritySection) != null ? int.Parse(GetValue(manifest, PrioritySection)) : 0,
Description = GetValue(manifest, FeatureDescriptionSection) ?? GetValue(manifest, DescriptionSection) ?? string.Empty,
Dependencies = ParseFeatureDependenciesEntry(GetValue(manifest, DependenciesSection)),
Extension = extensionDescriptor,
Category = GetValue(manifest, CategorySection)
};
featureDescriptors.Add(defaultFeature);
// Remaining features
string featuresText = GetValue(manifest, FeaturesSection);
if (featuresText != null) {
FeatureDescriptor featureDescriptor = null;
using (StringReader reader = new StringReader(featuresText)) {
string line;
while ((line = reader.ReadLine()) != null) {
if (IsFeatureDeclaration(line)) {
if (featureDescriptor != null) {
if (!featureDescriptor.Equals(defaultFeature)) {
featureDescriptors.Add(featureDescriptor);
}
featureDescriptor = null;
}
string[] featureDeclaration = line.Split(new[] { ":" }, StringSplitOptions.RemoveEmptyEntries);
string featureDescriptorId = featureDeclaration[0].Trim();
if (String.Equals(featureDescriptorId, extensionDescriptor.Id, StringComparison.OrdinalIgnoreCase)) {
featureDescriptor = defaultFeature;
featureDescriptor.Name = extensionDescriptor.Name;
}
else {
featureDescriptor = new FeatureDescriptor {
Id = featureDescriptorId,
Extension = extensionDescriptor
};
}
}
else if (IsFeatureFieldDeclaration(line)) {
if (featureDescriptor != null) {
string[] featureField = line.Split(new[] { ":" }, 2, StringSplitOptions.None);
int featureFieldLength = featureField.Length;
if (featureFieldLength != 2)
continue;
for (int i = 0; i < featureFieldLength; i++) {
featureField[i] = featureField[i].Trim();
}
switch (featureField[0].ToLowerInvariant()) {
case NameSection:
featureDescriptor.Name = featureField[1];
break;
case DescriptionSection:
featureDescriptor.Description = featureField[1];
break;
case CategorySection:
featureDescriptor.Category = featureField[1];
break;
case PrioritySection:
featureDescriptor.Priority = int.Parse(featureField[1]);
break;
case DependenciesSection:
featureDescriptor.Dependencies = ParseFeatureDependenciesEntry(featureField[1]);
break;
}
}
else {
string message = string.Format("The line {0} in manifest for extension {1} was ignored", line, extensionDescriptor.Id);
throw new ArgumentException(message);
}
}
else {
string message = string.Format("The line {0} in manifest for extension {1} was ignored", line, extensionDescriptor.Id);
throw new ArgumentException(message);
}
}
if (featureDescriptor != null && !featureDescriptor.Equals(defaultFeature))
featureDescriptors.Add(featureDescriptor);
}
}
return featureDescriptors;
}
private static bool IsTypeFromModule(Type type, ExtensionDescriptor descriptor)
{
return (type.Namespace + ".").StartsWith(CoreAssemblyName + "." + descriptor.Id + ".");
}
public ExtensionProbeEntry Probe(ExtensionDescriptor descriptor)
{
return null;
}
public bool IsCompatibleWithModuleReferences(ExtensionDescriptor extension, IEnumerable<ExtensionProbeEntry> references)
{
return true;
}
public void ExtensionDeactivated(ExtensionLoadingContext ctx, ExtensionDescriptor extension)
{
}
private ExtensionEntry BuildEntry(ExtensionDescriptor descriptor)
{
foreach (var loader in _loaders) {
ExtensionEntry entry = loader.Load(descriptor);
if (entry != null)
return entry;
}
_logger.LogWarning("No suitable loader found for extension \"{0}\"", descriptor.Id);
return null;
}