SEBWIN-518: Changed session identification to only trigger event when identifier changes.

This commit is contained in:
Damian Büchel 2021-10-04 18:10:36 +02:00
parent 55db0f8bf9
commit f11d4cb093

View file

@ -41,6 +41,7 @@ namespace SafeExamBrowser.Browser.Handlers
private HtmlLoader htmlLoader;
private ILogger logger;
private IResourceHandler pageHandler;
private string sessionIdentifier;
private BrowserSettings settings;
private WindowSettings windowSettings;
private IText text;
@ -270,9 +271,10 @@ namespace SafeExamBrowser.Browser.Handlers
{
var userId = ids.FirstOrDefault();
if (userId != default(string))
if (userId != default(string) && sessionIdentifier != userId)
{
Task.Run(() => SessionIdentifierDetected?.Invoke(userId));
sessionIdentifier = userId;
Task.Run(() => SessionIdentifierDetected?.Invoke(sessionIdentifier));
logger.Info("Generic LMS session detected.");
return true;
@ -301,8 +303,12 @@ namespace SafeExamBrowser.Browser.Handlers
var json = JsonConvert.DeserializeObject(sanitized) as JObject;
var userName = json["username"].Value<string>();
Task.Run(() => SessionIdentifierDetected?.Invoke(userName));
logger.Info("EdX session detected.");
if (sessionIdentifier != userName)
{
sessionIdentifier = userName;
Task.Run(() => SessionIdentifierDetected?.Invoke(sessionIdentifier));
logger.Info("EdX session detected.");
}
}
}
catch (Exception e)
@ -336,8 +342,12 @@ namespace SafeExamBrowser.Browser.Handlers
{
var userId = location.Substring(location.IndexOf("=") + 1);
Task.Run(() => SessionIdentifierDetected?.Invoke(userId));
logger.Info("Moodle session detected.");
if (sessionIdentifier != userId)
{
sessionIdentifier = userId;
Task.Run(() => SessionIdentifierDetected?.Invoke(sessionIdentifier));
logger.Info("Moodle session detected.");
}
return true;
}
@ -384,12 +394,13 @@ namespace SafeExamBrowser.Browser.Handlers
{
var userId = await result.Content.ReadAsStringAsync();
if (int.TryParse(userId, out var id) && id > 0)
if (int.TryParse(userId, out var id) && id > 0 && sessionIdentifier != userId)
{
#pragma warning disable CS4014
Task.Run(() => SessionIdentifierDetected?.Invoke(userId));
#pragma warning restore CS4014
sessionIdentifier = userId;
Task.Run(() => SessionIdentifierDetected?.Invoke(sessionIdentifier));
logger.Info("Moodle session detected.");
#pragma warning restore CS4014
}
}
else