/// <summary>
/// Get journals a user has community access to.
/// </summary>
/// <param name="username">The user's username.</param>
/// <param name="password">The user's password.</param>
/// <param name="serverURL">The server's URL.</param>
/// <returns></returns>
static public string[] GetUseJournals(string username, string password, string serverURL)
{
ILJServer iLJ;
XMLStructs.GetChallengeResponse gcr;
string auth_response;
XMLStructs.LoginParams lp;
XMLStructs.LoginResponse lr;
try
{
iLJ = LJServerFactory.Create(serverURL);
gcr = iLJ.GetChallenge();
auth_response = MD5Hasher.Compute(gcr.challenge + MD5Hasher.Compute(password));
lp = new XMLStructs.LoginParams(username, "challenge", gcr.challenge, auth_response, 1, clientVersion,
0, 0, 1, 1);
lr = iLJ.Login(lp);
}
catch (CookComputing.XmlRpc.XmlRpcFaultException xfe)
{
throw new ExpectedSyncException(ExpectedError.InvalidPassword, xfe);
}
catch (System.Net.WebException we)
{
throw new ExpectedSyncException(ExpectedError.ServerNotResponding, we);
}
catch (CookComputing.XmlRpc.XmlRpcServerException xse)
{
throw new ExpectedSyncException(ExpectedError.ServerNotResponding, xse);
}
return(lr.usejournals);
}
static private void GetEvents(Journal.OptionsRow or, ILJServer iLJ, ref SyncItemCollection sic,
ref SyncItemCollection deletedsic, ref EventCollection ec)
{
// for an explanation of this algorithm, see
// http://www.livejournal.com/community/lj_clients/143312.html
// note that this is a very painful algorithm. it will loop an extra time for each
// deleted syncitem that getevents doesn't return an event for. if LJ decides to revise
// how they return syncitems, this algorithm can be made more efficient.
int total = sic.Count;
while (sic.Count > 0)
{
SyncItem oldest = sic.GetOldest();
DateTime oldestTime = DateTime.Parse(oldest.time, CultureInfo.InvariantCulture).AddSeconds(-1);
GetChallengeResponse gcr = iLJ.GetChallenge();
string auth_response = MD5Hasher.Compute(gcr.challenge + or.HPassword);
GetEventsParams gep = new GetEventsParams(or.UserName, "challenge", gcr.challenge,
auth_response, 1, 0, 0, 0, "syncitems", oldestTime.ToString(_datetimeformat), 0, 0, 0, 0,
string.Empty, 0, "unix", (or.IsUseJournalNull() ? string.Empty : or.UseJournal));
GetEventsResponse ger;
socb(new SyncOperationEventArgs(SyncOperation.GetEvents, total - sic.Count, total));
ger = iLJ.GetEvents(gep);
// remove this item in case it isn't returned by getevents
// this signifies that the item has been deleted
// this also ensures we don't get stuck in an endless loop
sic.Remove(oldest);
sic.RemoveDownloaded(ger.events);
deletedsic.RemoveDownloaded(ger.events);
ec.AddRange(ger.events);
}
}
static private void SyncItems(Journal.OptionsRow or, ILJServer iLJ, ref SyncItemCollection sic,
ref SyncItemCollection deletedsic, ref DateTime lastSync)
{
// syncitems returns a "meta" list of what events have changed since the last time we called syncitems
// note that syncitems may be called more than once
GetChallengeResponse gcr;
string auth_response;
SyncItemsParams sip;
SyncItemsResponse sir;
int total = -1, count = 0;
lastSync = (or.IsLastSyncNull() ? DateTime.MinValue : or.LastSync);
do
{
string lastSyncString = (lastSync == DateTime.MinValue ? string.Empty :
lastSync.ToString(_datetimeformat));
gcr = iLJ.GetChallenge();
auth_response = MD5Hasher.Compute(gcr.challenge + or.HPassword);
sip = new SyncItemsParams(or.UserName, "challenge", gcr.challenge, auth_response, 1,
lastSyncString, (or.IsUseJournalNull() ? string.Empty : or.UseJournal));
sir = iLJ.SyncItems(sip);
total = (total == -1 ? sir.total : total);
count += sir.count;
sic.AddRangeLog(sir.syncitems);
deletedsic.AddRangeLog(sir.syncitems);
if (sic.GetMostRecentTime() > lastSync)
{
lastSync = sic.GetMostRecentTime();
}
socb(new SyncOperationEventArgs(SyncOperation.SyncItems, count, total));
} while (sir.count < sir.total);
}
/// <summary>
/// Sets the password of the journal.
/// </summary>
/// <param name="password">The new password to set.</param>
public void SetPassword(string password)
{
if (base.Options.Rows.Count < 1)
{
throw new InvalidOperationException("Cannot set password without options row");
}
base.Options[0].HPassword = MD5Hasher.Compute(password);
}
static private void SessionGenerate(Journal.OptionsRow or, ILJServer iLJ, ref SessionGenerateResponse sgr)
{
// a session needs to be generated to talk to the livejournal web server
// right now there is no export comments method on xmlrpc, so we get comments the ol' fashioned way -
// with a web request
GetChallengeResponse gcr = iLJ.GetChallenge();
string auth_response = MD5Hasher.Compute(gcr.challenge + or.HPassword);
SessionGenerateParams sgp = new SessionGenerateParams(or.UserName, "challenge", gcr.challenge,
auth_response, 1, "long", 0);
sgr = iLJ.SessionGenerate(sgp);
}
static private void Login(Journal.OptionsRow or, ILJServer iLJ, ref LoginResponse lr, ref string communityPicURL)
{
// logging in to the server gets back a lot of assorted metadata we need to store
GetChallengeResponse gcr;
string auth_response;
LoginParams lp;
gcr = iLJ.GetChallenge();
auth_response = MD5Hasher.Compute(gcr.challenge + or.HPassword);
lp = new LoginParams(or.UserName, "challenge", gcr.challenge, auth_response, 1, clientVersion,
j.GetMaxMoodID(), 0, 1, 1);
lr = iLJ.Login(lp);
// if downloading a community, we want the community's default user pic, not the user's
if (!or.IsUseJournalNull())
{
communityPicURL = Server.GetDefaultPicURL(or.UseJournal, or.ServerURL, true);
}
}