/// <summary>
/// Either:
/// 1. Create a user for the given ID and credential
/// 2. Or, update the existing user with the existing credential
///
/// If 2, then ask Google for the user's public profile information to store.
/// </summary>
/// <param name="authState">The OAuth v2 state for authorizing the user.</param>
/// <returns>A User object that represents the created user.</returns>
public User SaveTokenForUser(IAuthorizationState authState)
{
// Set the authorization state in the superclass for the authorization call.
_authState = authState;
var provider = new WebServerClient(GoogleAuthenticationServer.Description);
provider.ClientIdentifier = CLIENT_ID;
provider.ClientSecret = CLIENT_SECRET;
var authenticator =
new OAuth2Authenticator<WebServerClient>(
provider,
GetAuthorization)
{
NoCaching = true
};
ps = new PlusService(new BaseClientService.Initializer()
{
Authenticator = authenticator
});
Person me = ps.People.Get("me").Fetch();
// Load the user model from the DB if the user already exists.
bool userExists = false;
User user = new User();
PhotohuntContext db = new PhotohuntContext();
User existing = db.Users.FirstOrDefault(u => u.googleUserId.Equals(me.Id));
if (existing != null)
{
user = existing;
userExists = true;
}
if (!userExists)
{
// Save the new user.
user.googleAccessToken = authState.AccessToken;
user.googleRefreshToken =
authState.RefreshToken == null ? "" : authState.RefreshToken;
user.googleExpiresIn = (int)(authState.AccessTokenExpirationUtc.Value -
authState.AccessTokenIssueDateUtc.Value).TotalSeconds;
user.googleExpiresAt = authState.AccessTokenExpirationUtc.Value;
user.googleUserId = me.Id;
user.googleDisplayName = me.DisplayName;
user.googlePublicProfilePhotoUrl = me.Image.Url;
user.googlePublicProfileUrl = me.Url;
user.email = me.Emails == null ? "" : me.Emails[0].Value;
db.Users.Add(user);
db.SaveChanges();
db.Entry(user);
// Use the FriendsHelper to generate this user's list of friends
// who also use this app.
FriendsHelper friendHelper =
new FriendsHelper(HttpContext.Current.Request);
// Generate the friends list asynchronously within a task.
Action generateFriends = () => {
friendHelper.GenerateFriends(user, _authState);
};
Task.Factory.StartNew(generateFriends);
}
else
{
// Update the existing user's authorization state. Note that we aren't updating the
// refresh token because it is only returned the first time the user authorizes the
// app.
user.googleAccessToken = authState.AccessToken;
user.googleExpiresIn = (int)(authState.AccessTokenExpirationUtc.Value -
authState.AccessTokenIssueDateUtc.Value).TotalSeconds;
user.googleExpiresAt = authState.AccessTokenExpirationUtc.Value;
db.SaveChanges();
}
return user;
}
/// <summary>
/// Either:
/// 1. Create a user for the given ID and credential
/// 2. Or, update the existing user with the existing credential
///
/// If 2, then ask Google for the user's public profile information to store.
/// </summary>
/// <param name="authState">The OAuth v2 state for authorizing the user.</param>
/// <returns>A User object that represents the created user.</returns>
public User SaveTokenForUser(IAuthorizationState authState)
{
// Set the authorization state in the superclass for the authorization call.
_authState = authState;
var provider = new WebServerClient(GoogleAuthenticationServer.Description);
provider.ClientIdentifier = CLIENT_ID;
provider.ClientSecret = CLIENT_SECRET;
var authenticator =
new OAuth2Authenticator <WebServerClient>(
provider,
GetAuthorization)
{
NoCaching = true
};
ps = new PlusService(new BaseClientService.Initializer()
{
Authenticator = authenticator
});
Person me = ps.People.Get("me").Fetch();
// Load the user model from the DB if the user already exists.
bool userExists = false;
User user = new User();
PhotohuntContext db = new PhotohuntContext();
User existing = db.Users.FirstOrDefault(u => u.googleUserId.Equals(me.Id));
if (existing != null)
{
user = existing;
userExists = true;
}
if (!userExists)
{
// Save the new user.
user.googleAccessToken = authState.AccessToken;
user.googleRefreshToken =
authState.RefreshToken == null ? "" : authState.RefreshToken;
user.googleExpiresIn = (int)(authState.AccessTokenExpirationUtc.Value -
authState.AccessTokenIssueDateUtc.Value).TotalSeconds;
user.googleExpiresAt = authState.AccessTokenExpirationUtc.Value;
user.googleUserId = me.Id;
user.googleDisplayName = me.DisplayName;
user.googlePublicProfilePhotoUrl = me.Image.Url;
user.googlePublicProfileUrl = me.Url;
user.email = me.Emails == null ? "" : me.Emails[0].Value;
db.Users.Add(user);
db.SaveChanges();
db.Entry(user);
// Use the FriendsHelper to generate this user's list of friends
// who also use this app.
FriendsHelper friendHelper =
new FriendsHelper(HttpContext.Current.Request);
// Generate the friends list asynchronously within a task.
Action generateFriends = () => {
friendHelper.GenerateFriends(user, _authState);
};
Task.Factory.StartNew(generateFriends);
}
else
{
// Update the existing user's authorization state. Note that we aren't updating the
// refresh token because it is only returned the first time the user authorizes the
// app.
user.googleAccessToken = authState.AccessToken;
user.googleExpiresIn = (int)(authState.AccessTokenExpirationUtc.Value -
authState.AccessTokenIssueDateUtc.Value).TotalSeconds;
user.googleExpiresAt = authState.AccessTokenExpirationUtc.Value;
db.SaveChanges();
}
return(user);
}
