private bool ProcessAndUpdateIrmaSession(string line, Guid sessionMetadataId)
{
// deconstruct line: [<timestamp>] TRACE HTTP JSON response: 200 {"sessionPtr":{"u": ... }
var timestamp = DateTime.Parse(line.Between("[", "]"));
dynamic json = JsonConvert.DeserializeObject <dynamic>(line.Between("response=", " status=200").Trim());
string url = json.sessionPtr.u;
string sessionToken = url.After("/irma/");
var irmaJsSessionToken = json.token;
// get the corresponding irma session of this upload session and its entries
var irmaSession = _context.IrmaSessions
.Where(sessions => sessions.UploadSessionId == sessionMetadataId)
.Include(sessions => sessions.AppLogEntries)
.FirstOrDefault(session => session.SessionToken == sessionToken);
// validate existence, if not continue with the next session
if (irmaSession == null)
{
_currentIrmaSession = null;
Debug.WriteLine("No corresponding irma session found for line: " + line);
return(true);
}
var successAppLogEntry = irmaSession.AppLogEntries.FirstOrDefault(x => x.Type == AppLogEntryType.Success);
if (successAppLogEntry == null)
{
// incomplete session, don't use it but continue
_currentIrmaSession = null;
Debug.WriteLine("No successAppLogEntry found for line: " + line);
return(true);
}
// validate session has not finished yet
if (timestamp >= successAppLogEntry.Timestamp)
{
return(false);
}
// update session with js session token for connecting data
irmaSession.IrmaJsSessionToken = irmaJsSessionToken;
// keep track of the irma session for future lines
_currentIrmaSession = irmaSession;
_context.SaveChanges();
return(true);
}
public bool ProcessServerLog(IFormFile serverLog, Guid sessionMetadataId)
{
using (var reader = new StreamReader(serverLog.OpenReadStream()))
{
while (reader.Peek() >= 0)
{
var line = reader.ReadLine();
var success = ProcessServerLogLine(line, sessionMetadataId);
if (!success)
{
throw new LogProcessingException("Processing server log unsuccessful at line: " + line);
}
}
}
// reset current irma session for the next upload session
_currentIrmaSession = null;
return(true);
}
public UploadSession CreateNewUploadSession(DateTime date,
string location,
string description,
bool usesQuic,
bool isStationary,
bool isWifi,
bool isMostly4G,
bool isMostly3G,
int sessionNumberUploaded,
IFormFile applog)
{
var success = false;
var uploadSession = new UploadSession()
{
Id = Guid.NewGuid(),
Date = date,
Location = location,
Description = description,
UsesQuic = usesQuic,
IsStationary = isStationary,
IsWiFi = isWifi,
IsMostly4G = isMostly4G,
IsMostly3G = isMostly3G,
SessionNumber = sessionNumberUploaded
};
// save metadata
_context.Add(uploadSession);
_context.SaveChanges();
// convert the app log
success = ConvertAndSaveAppLog(applog, uploadSession.Id);
// reset the currentIrmaSession
_currentIrmaSession = null;
return(uploadSession);
}
private bool ProcessNewIrmaSessionAndLogEntry(string line, Guid uploadSessionId)
{
// deconstruct line: [<timestamp>]| Sending ..: | JSON object
var lineParts = line.Split('|');
var timestamp = DateTime.Parse(lineParts[0].Trim('[').Trim(']'));
dynamic json = JsonConvert.DeserializeObject <dynamic>(lineParts[2].Trim());
string url = json.request.u;
string sessionToken = url.After("/irma/");
// create new IrmaSession
var irmaSession = new IrmaSession();
irmaSession.Id = Guid.NewGuid();
irmaSession.UploadSessionId = uploadSessionId;
irmaSession.Timestamp = timestamp;
irmaSession.AppSessionId = json.sessionId;
irmaSession.SessionToken = sessionToken;
// create the log entry
var appLogEntry = new IrmaAppLogEntry();
appLogEntry.Id = Guid.NewGuid();
appLogEntry.Timestamp = timestamp;
appLogEntry.Type = AppLogEntryType.NewSession;
appLogEntry.IrmaSessionId = irmaSession.Id;
// keep track of the new IrmaSession for future lines
_currentIrmaSession = irmaSession;
// add and save
_context.Add(irmaSession);
_context.Add(appLogEntry);
_context.SaveChanges();
return(true);
}
