private static bool ValidateToken(string encodedToken, string userEmail, User.AppType appType)
{
JwtSecurityToken token = new JwtSecurityToken(encodedToken);
if (token.Claims == null)
{
return false;
}
Dictionary<string, string> claimVals = token.Claims.ToDictionary(x => x.Type, x => x.Value);
if (claimVals["iss"] != "accounts.google.com" ||
claimVals["azp"] != ConfidentialData.GoogleClientIdDictionary[appType] ||
claimVals["aud"] != ConfidentialData.GoogleWebAppClientId ||
claimVals["email"] != userEmail)
{
return false;
}
// Check token hasn't expired
DateTime expirationDate = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
expirationDate = expirationDate.AddSeconds(int.Parse(claimVals["exp"]));
// This is a valid token for this app if it's still in date!
return expirationDate.ToLocalTime() >= DateTime.Now;
}
/// <summary>
/// Checks if the user has completed an assessment today, returning one if not
/// </summary>
/// <returns></returns>
private static async Task<ParticipantActivity> GetAssessmentIfNeeded(CrowdContext db, User user)
{
bool existing = false;
if (user.LastAssessment != null)
{
ParticipantActivity act = await db.ParticipantActivities.FindAsync(user.LastAssessment.ParticipantActivityId);
if (act != null && act.AppType == user.App) existing = true;
}
if (existing)
{
// We want the user to complete the same assessment each time, at most once a day
ParticipantResult recentUpload = await (from upload in db.ParticipantResults
where upload.User.Email == user.Email &&
upload.IsAssessment &&
((int)upload.ParticipantActivity.AppType == (int)user.App ||
(int)upload.ParticipantActivity.AppType == (int)Crowd.Model.Data.User.AppType.None)
orderby upload.UploadedAt descending
select upload).FirstOrDefaultAsync();
if(recentUpload == null) return null;
TimeSpan span = DateTime.Now - recentUpload.UploadedAt;
if (span.Days >= 1)
{
if (recentUpload.ParticipantActivity != null)
{
return recentUpload.ParticipantActivity;
}
return await db.ParticipantActivities.FindAsync(recentUpload.ParticipantActivityId);
}
}
else
{
// User has yet to complete an assessment - choose a random one
ParticipantActivity[] assessments = await (
from act in db.ParticipantActivities
where act.AssessmentTasks.Count >= 1 &&
((int)act.AppType == (int)user.App ||
(int)act.AppType == (int)Crowd.Model.Data.User.AppType.None)
select act).ToArrayAsync();
if (assessments.Length >= 1)
{
Random rand = new Random();
return assessments[rand.Next(0, assessments.Length - 1)];
}
}
return null;
}
private static async Task<ParticipantActivity> GetRandomScenario(CrowdContext db, User user)
{
ParticipantActivity[] acts = await (from act in db.ParticipantActivities
where (act.AppType == Crowd.Model.Data.User.AppType.None || act.AppType == user.App) &&
act.ParticipantTasks.Count >= 1
select act).ToArrayAsync();
if (acts.Length >= 1)
{
Random rand = new Random();
return acts[rand.Next(0, acts.Length - 1)];
}
return null;
}
public ServiceUser(User baseUser)
{
Email = baseUser.Email;
Key = baseUser.Key;
Name = baseUser.Name;
Nickname = baseUser.Nickname;
Avatar = baseUser.Avatar;
IsAdmin = baseUser.IsAdmin;
SubscribedCategories = baseUser.SubscribedCategories.ToList();
Submissions = baseUser.Submissions.ToList();
LastAssessment = baseUser.LastAssessment;
FeedItems = baseUser.FeedItems.ToList();
DismissedPublicFeedItems = baseUser.DismissedPublicFeedItems.ToList();
App = baseUser.App;
}
private static async Task<int?> GetMostRecentJobId(CrowdContext db, User user)
{
ParticipantResult mostRecent = await db.ParticipantResults.Where(res => res.User.Email == user.Email &&
((int)res.ParticipantActivity.AppType == (int)user.App ||
(int)res.ParticipantActivity.AppType == (int)Crowd.Model.Data.User.AppType.None)).OrderByDescending(res => res.UploadedAt).FirstOrDefaultAsync();
if (mostRecent == null)
{
return null;
}
else
{
return mostRecent.CrowdJobId;
}
}
