public void Intercept(IInvocation invocation)
{
invocation.Proceed();
//handle saving if it was a setter, not INotifyPropertyChanged/INotifyCollectionChanged and has CompilerGeneratedAttribute
if (_module.AutosavingState != AutosavingState.SuspendedChanged &&
invocation.Method.ReturnType == typeof(void) &&
invocation.Arguments.Length > 0 &&
invocation.Method.Name.StartsWith("set_", StringComparison.Ordinal))
{
var type = invocation.Arguments[0]?.GetType();
if (type != null &&
typeof(INotifyPropertyChanged).IsAssignableFrom(type) != true &&
typeof(INotifyCollectionChanged).IsAssignableFrom(type) != true &&
invocation.MethodInvocationTarget.IsDefined(typeof(CompilerGeneratedAttribute), false))
{
var propName = invocation.Method.Name.Substring(4);
if (!_module.NotificationsHandler !.CanHandleProperty(propName))
{
return;
}
//save.
if (_module.UpdatesSuspended)
{
_module.AutosavingState = AutosavingState.SuspendedChanged;
}
else
{
_settings.Save();
}
}
}
}
private string SafeRead(string key)
{
try
{
return(_jsonSettings.GetValue(key));
}
catch (Exception ex)
{
_tracer.TraceError(ex);
// if setting file happen to be invalid, e.g w3wp.exe was kill while writting
// treat it as failed, and suggest user to re-install or un-install
JObject newSettings = new JObject();
newSettings[_provisioningStateSetting] = Constants.SiteExtensionProvisioningStateFailed;
newSettings[_commentMessageSetting] = "Corrupted site extension, please re-install or uninstall extension.";
newSettings[_statusSetting] = Enum.GetName(typeof(HttpStatusCode), HttpStatusCode.BadRequest);
_jsonSettings.Save(newSettings);
}
return(_jsonSettings.GetValue(key));
}
public async Task DownloadChromium()
{
if (File.Exists(_settings.ChromiumPath))
{
return;
}
Console.WriteLine(MessageResources.DownloadChromiumStart);
var fetcher = new BrowserFetcher();
var result = await fetcher.DownloadAsync(BrowserFetcher.DefaultRevision);
_settings.ChromiumPath = result.ExecutablePath;
JsonSettings.Save(_settings, SettingsPath);
}
public void Intercept(IInvocation invocation)
{
invocation.Proceed();
//handle saving if it was a setter
if (_module.AutosavingState != AutosavingState.SuspendedChanged && invocation.Method.Name.StartsWith("set_", StringComparison.Ordinal))
{
if (!_monitoredProperties.Contains(invocation.Method.Name.Substring(4)))
{
return;
}
//save.
if (_module.UpdatesSuspended)
{
_module.AutosavingState = AutosavingState.SuspendedChanged;
}
else
{
_settings.Save();
}
}
}
protected virtual void HandleRecovery(JsonSettings sender, RecoveryAction action, ref bool recovered, ref bool handled)
{
//versions mismatch, handle
if (recovered || handled)
{
return;
}
switch (action)
{
case RecoveryAction.Throw: throw new JsonSettingsRecoveryException($"Loading {sender._childtype.Name} settings{(sender is IVersionable v ? $" version '{v.Version}'" : "")}");
case RecoveryAction.RenameAndLoadDefault: {
if (loadedPath == null)
{
throw new ArgumentNullException(nameof(loadedPath));
}
//parse current name
var versionMatch = VersioningModule.VersionMatcher.Match(loadedPath);
int fileVersion = versionMatch.Success ? int.Parse(versionMatch.Groups[2].Value) + 1 : 0;
var cleanName = loadedPath;
if (!string.IsNullOrEmpty(versionMatch.Groups[0].Value))
{
cleanName = cleanName.Replace(versionMatch.Groups[0].Value, "");
}
var lastIdx = cleanName.LastIndexOf('.');
if (lastIdx == -1)
{
lastIdx = loadedPath.Length;
}
uint nonVersionable = 0;
//figure naming of existing and rename
string newFileName = cleanName;
if (File.Exists(newFileName))
{
do
{
newFileName = cleanName.Insert(lastIdx, $".{(sender is IVersionable versionable ? versionable.Version : "")}{(fileVersion++ == 0 ? "" : $"-{fileVersion}")}");
} while (File.Exists(newFileName));
try {
File.Move(cleanName, newFileName);
} catch (Exception) {
// swallow
try {
File.Delete(loadedPath);
} catch (Exception) {
// swallow
}
}
}
//save
internalCalls++;
try {
sender.FileName = loadedPath = cleanName;
sender.LoadDefault(ConstructingParameters);
sender.Save();
recovered = true;
handled = true;
} finally {
internalCalls--;
}
return;
}
case RecoveryAction.LoadDefault:
sender.LoadDefault(ConstructingParameters);
recovered = true;
handled = true;
return;
case RecoveryAction.LoadDefaultAndSave:
sender.LoadDefault(ConstructingParameters);
sender.Save();
recovered = true;
handled = true;
return;
default: throw new ArgumentOutOfRangeException();
}
}