void QMLManager::retrieveUserid()
{
if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute) != 302) {
appendTextToLog(QStringLiteral("Cloud storage connection not working correctly: %1").arg(QString(reply->readAll())));
setStartPageText(RED_FONT + tr("Cannot connect to cloud storage") + END_FONT);
setAccessingCloud(-1);
alreadySaving = false;
return;
}
setCredentialStatus(VALID);
QString userid(prefs.userid);
if (userid.isEmpty()) {
if (same_string(prefs.cloud_storage_email, "") || same_string(prefs.cloud_storage_password, "")) {
appendTextToLog("cloud user name or password are empty, can't retrieve web user id");
setAccessingCloud(-1);
alreadySaving = false;
return;
}
appendTextToLog(QStringLiteral("calling getUserid with user %1").arg(prefs.cloud_storage_email));
userid = locationProvider->getUserid(prefs.cloud_storage_email, prefs.cloud_storage_password);
}
if (!userid.isEmpty()) {
// overwrite the existing userid
free(prefs.userid);
prefs.userid = strdup(qPrintable(userid));
QSettings s;
s.setValue("subsurface_webservice_uid", prefs.userid);
s.sync();
}
setCredentialStatus(VALID);
setStartPageText("Cloud credentials valid, loading dives...");
git_storage_update_progress(true, "load dives with valid credentials");
// this only gets called with "alreadySaving" already locked
loadDivesWithValidCredentials();
}
void QMLManager::loadDivesWithValidCredentials()
{
QString url;
if (getCloudURL(url)) {
QString errorString(get_error_string());
appendTextToLog(errorString);
setStartPageText(RED_FONT + tr("Cloud storage error: %1").arg(errorString) + END_FONT);
setAccessingCloud(-1);
alreadySaving = false;
return;
}
QByteArray fileNamePrt = QFile::encodeName(url);
git_repository *git;
const char *branch;
int error;
if (check_git_sha(fileNamePrt.data(), &git, &branch) == 0) {
qDebug() << "local cache was current, no need to modify dive list";
appendTextToLog("Cloud sync shows local cache was current");
setLoadFromCloud(true);
setAccessingCloud(-1);
alreadySaving = false;
return;
}
appendTextToLog("Cloud sync brought newer data, reloading the dive list");
clear_dive_file_data();
if (git != dummy_git_repository) {
appendTextToLog(QString("have repository and branch %1").arg(branch));
error = git_load_dives(git, branch);
} else {
appendTextToLog(QString("didn't receive valid git repo, try again"));
error = parse_file(fileNamePrt.data());
}
setAccessingCloud(-1);
if (!error) {
report_error("filename is now %s", fileNamePrt.data());
const char *error_string = get_error_string();
appendTextToLog(error_string);
set_filename(fileNamePrt.data(), true);
} else {
report_error("failed to open file %s", fileNamePrt.data());
QString errorString(get_error_string());
appendTextToLog(errorString);
setStartPageText(RED_FONT + tr("Cloud storage error: %1").arg(errorString) + END_FONT);
alreadySaving = false;
return;
}
prefs.unit_system = informational_prefs.unit_system;
if (informational_prefs.unit_system == IMPERIAL)
informational_prefs.units = IMPERIAL_units;
prefs.units = informational_prefs.units;
DiveListModel::instance()->clear();
process_dives(false, false);
DiveListModel::instance()->addAllDives();
appendTextToLog(QStringLiteral("%1 dives loaded").arg(dive_table.nr));
if (dive_table.nr == 0)
setStartPageText(tr("Cloud storage open successfully. No dives in dive list."));
setLoadFromCloud(true);
alreadySaving = false;
}
void QMLManager::saveChangesLocal()
{
if (unsaved_changes()) {
git_storage_update_progress(true, "saving dives locally"); // reset the timers
if (!loadFromCloud()) {
// this seems silly, but you need a common ancestor in the repository in
// order to be able to merge che changes later
appendTextToLog("Don't save dives without loading from the cloud, first.");
return;
}
if (alreadySaving) {
appendTextToLog("save operation already in progress, can't save locally");
return;
}
alreadySaving = true;
bool glo = prefs.git_local_only;
prefs.git_local_only = true;
if (save_dives(existing_filename)) {
appendTextToLog(get_error_string());
setAccessingCloud(-1);
prefs.git_local_only = glo;
alreadySaving = false;
return;
}
prefs.git_local_only = glo;
mark_divelist_changed(false);
git_storage_update_progress(false, "done with local save");
alreadySaving = false;
} else {
appendTextToLog("local save requested with no unsaved changes");
}
}
void QMLManager::revertToNoCloudIfNeeded()
{
if (currentGitLocalOnly) {
// we tried to connect to the cloud for the first time and that failed
currentGitLocalOnly = false;
prefs.git_local_only = true;
}
if (oldStatus() == NOCLOUD) {
// we tried to switch to a cloud account and had previously used local data,
// but connecting to the cloud account (and subsequently merging the local
// and cloud data) failed - so let's delete the cloud credentials and go
// back to NOCLOUD mode in order to prevent us from losing the locally stored
// dives
if (syncToCloud() == false) {
appendTextToLog(QStringLiteral("taking things back offline since sync with cloud failed"));
prefs.git_local_only = syncToCloud();
}
free(prefs.cloud_storage_email);
prefs.cloud_storage_email = NULL;
free(prefs.cloud_storage_password);
prefs.cloud_storage_password = NULL;
setCloudUserName("");
setCloudPassword("");
setCredentialStatus(INCOMPLETE);
set_filename(NOCLOUD_LOCALSTORAGE, true);
setStartPageText(RED_FONT + tr("Failed to connect to cloud server, reverting to no cloud status") + END_FONT);
}
setAccessingCloud(-1);
alreadySaving = false;
}
void QMLManager::saveChangesCloud()
{
git_storage_update_progress(true, "start save change to cloud");
if (!loadFromCloud()) {
appendTextToLog("Don't save dives without loading from the cloud, first.");
return;
}
bool glo = prefs.git_local_only;
bool cbs = prefs.cloud_background_sync;
// first we need to store any unsaved changes to the local repo
saveChangesLocal();
if (alreadySaving) {
appendTextToLog("save operation in progress already, can't sync with server");
return;
}
prefs.git_local_only = false;
alreadySaving = true;
loadDivesWithValidCredentials();
alreadySaving = false;
git_storage_update_progress(false, "finished syncing dive list to cloud server");
setAccessingCloud(-1);
prefs.git_local_only = glo;
prefs.cloud_background_sync = cbs;
alreadySaving = false;
}
QMLManager::QMLManager() : m_locationServiceEnabled(false),
m_verboseEnabled(false),
reply(0),
deletedDive(0),
deletedTrip(0),
m_updateSelectedDive(-1),
m_selectedDiveTimestamp(0),
m_credentialStatus(UNKNOWN),
m_lastDevicePixelRatio(1.0),
alreadySaving(false)
{
m_instance = this;
connect(qobject_cast<QApplication *>(QApplication::instance()), &QApplication::applicationStateChanged, this, &QMLManager::applicationStateChanged);
appendTextToLog(getUserAgent());
appendTextToLog(QStringLiteral("build with Qt Version %1, runtime from Qt Version %2").arg(QT_VERSION_STR).arg(qVersion()));
qDebug() << "Starting" << getUserAgent();
qDebug() << QStringLiteral("build with Qt Version %1, runtime from Qt Version %2").arg(QT_VERSION_STR).arg(qVersion());
setStartPageText(tr("Starting..."));
setAccessingCloud(-1);
setShowPin(false);
// create location manager service
locationProvider = new GpsLocation(&appendTextToLogStandalone, this);
connect(locationProvider, SIGNAL(haveSourceChanged()), this, SLOT(hasLocationSourceChanged()));
setLocationServiceAvailable(locationProvider->hasLocationsSource());
set_git_update_cb(&gitProgressCB);
// make sure we know if the current cloud repo has been successfully synced
syncLoadFromCloud();
}
void QMLManager::openLocalThenRemote(QString url)
{
clear_dive_file_data();
QByteArray fileNamePrt = QFile::encodeName(url);
bool glo = prefs.git_local_only;
prefs.git_local_only = true;
int error = parse_file(fileNamePrt.data());
setAccessingCloud(-1);
prefs.git_local_only = glo;
if (error) {
appendTextToLog(QStringLiteral("loading dives from cache failed %1").arg(error));
} else {
// if we can load from the cache, we know that we have at least a valid email
if (credentialStatus() == UNKNOWN)
setCredentialStatus(VALID_EMAIL);
prefs.unit_system = informational_prefs.unit_system;
if (informational_prefs.unit_system == IMPERIAL)
informational_prefs.units = IMPERIAL_units;
prefs.units = informational_prefs.units;
process_dives(false, false);
DiveListModel::instance()->clear();
DiveListModel::instance()->addAllDives();
appendTextToLog(QStringLiteral("%1 dives loaded from cache").arg(dive_table.nr));
}
set_filename(fileNamePrt.data(), true);
appendTextToLog(QStringLiteral("have cloud credentials, trying to connect"));
tryRetrieveDataFromBackend();
}
void QMLManager::saveChangesCloud(bool forceRemoteSync)
{
if (!unsaved_changes() && !forceRemoteSync) {
appendTextToLog("asked to save changes but no unsaved changes");
return;
}
if (alreadySaving) {
appendTextToLog("save operation in progress already");
return;
}
// first we need to store any unsaved changes to the local repo
saveChangesLocal();
// if the user asked not to push to the cloud we are done
if (prefs.git_local_only && !forceRemoteSync)
return;
if (!loadFromCloud()) {
appendTextToLog("Don't save dives without loading from the cloud, first.");
return;
}
bool glo = prefs.git_local_only;
git_storage_update_progress(false, "start save change to cloud");
prefs.git_local_only = false;
alreadySaving = true;
loadDivesWithValidCredentials();
alreadySaving = false;
git_storage_update_progress(false, "finished syncing dive list to cloud server");
setAccessingCloud(-1);
prefs.git_local_only = glo;
}
void QMLManager::handleError(QNetworkReply::NetworkError nError)
{
QString errorString = reply->errorString();
qDebug() << "handleError" << nError << errorString;
setStartPageText(RED_FONT + tr("Cannot open cloud storage: %1").arg(errorString) + END_FONT);
reply->abort();
reply->deleteLater();
setAccessingCloud(-1);
}
void QMLManager::handleSslErrors(const QList<QSslError> &errors)
{
setStartPageText(RED_FONT + tr("Cannot open cloud storage: Error creating https connection") + END_FONT);
Q_FOREACH (QSslError e, errors) {
qDebug() << e.errorString();
}
reply->abort();
reply->deleteLater();
setAccessingCloud(-1);
}
void QMLManager::loadDiveProgress(int percent)
{
QString text(tr("Loading dive list from cloud storage."));
setAccessingCloud(percent);
while (percent > 0) {
text.append(".");
percent -= 10;
}
setStartPageText(text);
}
void QMLManager::checkCredentialsAndExecute(execute_function_type execute)
{
// if the cloud credentials are present, we should try to get the GPS Webservice ID
// and (if we haven't done so) load the dive list
if (!same_string(prefs.cloud_storage_email, "") &&
!same_string(prefs.cloud_storage_password, "")) {
setAccessingCloud(0);
setStartPageText(tr("Testing cloud credentials"));
appendTextToLog("Have credentials, let's see if they are valid");
CloudStorageAuthenticate *csa = new CloudStorageAuthenticate(this);
csa->backend(prefs.cloud_storage_email, prefs.cloud_storage_password, cloudPin());
// let's wait here for the signal to avoid too many more nested functions
QTimer myTimer;
myTimer.setSingleShot(true);
QEventLoop loop;
connect(csa, &CloudStorageAuthenticate::finishedAuthenticate, &loop, &QEventLoop::quit);
connect(&myTimer, &QTimer::timeout, &loop, &QEventLoop::quit);
myTimer.start(5000);
loop.exec();
if (!myTimer.isActive()) {
// got no response from the server
setStartPageText(RED_FONT + tr("No response from cloud server to validate the credentials") + END_FONT);
revertToNoCloudIfNeeded();
return;
}
myTimer.stop();
setCloudPin("");
if (prefs.cloud_verification_status != CS_VERIFIED) {
// here we need to enter the PIN
appendTextToLog(QStringLiteral("Need to verify the email address - enter PIN in desktop app"));
setStartPageText(RED_FONT + tr("Cannot connect to cloud storage - cloud account not verified") + END_FONT);
revertToNoCloudIfNeeded();
setShowPin(true);
return;
}
if (showPin())
setShowPin(false);
// now check the redirect URL to make sure everything is set up on the cloud server
connect(manager(), &QNetworkAccessManager::authenticationRequired, this, &QMLManager::provideAuth, Qt::UniqueConnection);
QUrl url(CLOUDREDIRECTURL);
request = QNetworkRequest(url);
request.setRawHeader("User-Agent", getUserAgent().toUtf8());
request.setRawHeader("Accept", "text/html");
reply = manager()->get(request);
connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(handleError(QNetworkReply::NetworkError)));
connect(reply, &QNetworkReply::sslErrors, this, &QMLManager::handleSslErrors);
connect(reply, &QNetworkReply::finished, this, execute, Qt::UniqueConnection);
}
}
void QMLManager::saveChangesLocal()
{
if (unsaved_changes()) {
git_storage_update_progress(true, "saving dives locally"); // reset the timers
if (credentialStatus() == NOCLOUD) {
if (same_string(existing_filename, "")) {
char *filename = NOCLOUD_LOCALSTORAGE;
if (git_create_local_repo(filename))
appendTextToLog(get_error_string());
set_filename(filename, true);
GeneralSettingsObjectWrapper s(this);
s.setDefaultFilename(filename);
s.setDefaultFileBehavior(LOCAL_DEFAULT_FILE);
qDebug() << "setting default file to" << filename;
}
} else if (!loadFromCloud()) {
// this seems silly, but you need a common ancestor in the repository in
// order to be able to merge che changes later
appendTextToLog("Don't save dives without loading from the cloud, first.");
return;
}
if (alreadySaving) {
appendTextToLog("save operation already in progress, can't save locally");
return;
}
alreadySaving = true;
bool glo = prefs.git_local_only;
prefs.git_local_only = true;
if (save_dives(existing_filename)) {
appendTextToLog(get_error_string());
set_filename(NULL, true);
setAccessingCloud(-1);
prefs.git_local_only = glo;
alreadySaving = false;
return;
}
prefs.git_local_only = glo;
mark_divelist_changed(false);
git_storage_update_progress(false, "done with local save");
alreadySaving = false;
} else {
appendTextToLog("local save requested with no unsaved changes");
}
}
void QMLManager::checkCredentialsAndExecute(execute_function_type execute)
{
// if the cloud credentials are present, we should try to get the GPS Webservice ID
// and (if we haven't done so) load the dive list
if (!same_string(prefs.cloud_storage_email, "") &&
!same_string(prefs.cloud_storage_password, "")) {
setAccessingCloud(0);
setStartPageText(tr("Testing cloud credentials"));
appendTextToLog("Have credentials, let's see if they are valid");
connect(manager(), &QNetworkAccessManager::authenticationRequired, this, &QMLManager::provideAuth, Qt::UniqueConnection);
connect(manager(), &QNetworkAccessManager::finished, this, execute, Qt::UniqueConnection);
QUrl url(CLOUDREDIRECTURL);
request = QNetworkRequest(url);
request.setRawHeader("User-Agent", getUserAgent().toUtf8());
request.setRawHeader("Accept", "text/html");
reply = manager()->get(request);
connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(handleError(QNetworkReply::NetworkError)));
connect(reply, &QNetworkReply::sslErrors, this, &QMLManager::handleSslErrors);
}
}
QMLManager::QMLManager() : m_locationServiceEnabled(false),
m_verboseEnabled(false),
reply(0),
deletedDive(0),
deletedTrip(0),
m_credentialStatus(UNKNOWN),
m_lastDevicePixelRatio(1.0)
{
m_instance = this;
appendTextToLog(getUserAgent());
appendTextToLog(QStringLiteral("build with Qt Version %1, runtime from Qt Version %2").arg(QT_VERSION_STR).arg(qVersion()));
qDebug() << "Starting" << getUserAgent();
qDebug() << QStringLiteral("build with Qt Version %1, runtime from Qt Version %2").arg(QT_VERSION_STR).arg(qVersion());
setStartPageText(tr("Starting..."));
setAccessingCloud(false);
// create location manager service
locationProvider = new GpsLocation(&appendTextToLogStandalone, this);
set_git_update_cb(&gitProgressCB);
// make sure we know if the current cloud repo has been successfully synced
syncLoadFromCloud();
}
void QMLManager::finishSetup()
{
// Initialize cloud credentials.
setCloudUserName(prefs.cloud_storage_email);
setCloudPassword(prefs.cloud_storage_password);
setSyncToCloud(!prefs.git_local_only);
// if the cloud credentials are valid, we should get the GPS Webservice ID as well
QString url;
if (!cloudUserName().isEmpty() &&
!cloudPassword().isEmpty() &&
getCloudURL(url) == 0) {
// we know that we are the first ones to access git storage, so we don't need to test,
// but we need to make sure we stay the only ones accessing git storage
alreadySaving = true;
openLocalThenRemote(url);
} else if (!same_string(existing_filename, "")) {
setCredentialStatus(NOCLOUD);
appendTextToLog(tr("working in no-cloud mode"));
int error = parse_file(existing_filename);
if (error) {
// we got an error loading the local file
appendTextToLog(QString("got error %2 when parsing file %1").arg(existing_filename, get_error_string()));
set_filename(NULL, "");
} else {
// successfully opened the local file, now add thigs to the dive list
consumeFinishedLoad(0);
setAccessingCloud(-1);
appendTextToLog(QString("working in no-cloud mode, finished loading %1 dives from %2").arg(dive_table.nr).arg(existing_filename));
}
} else {
setCredentialStatus(INCOMPLETE);
appendTextToLog(tr("no cloud credentials"));
setStartPageText(RED_FONT + tr("Please enter valid cloud credentials.") + END_FONT);
}
setDistanceThreshold(prefs.distance_threshold);
setTimeThreshold(prefs.time_threshold / 60);
}
void QMLManager::loadDivesWithValidCredentials()
{
QString url;
timestamp_t currentDiveTimestamp = selectedDiveTimestamp();
if (getCloudURL(url)) {
QString errorString(get_error_string());
appendTextToLog(errorString);
setStartPageText(RED_FONT + tr("Cloud storage error: %1").arg(errorString) + END_FONT);
revertToNoCloudIfNeeded();
return;
}
QByteArray fileNamePrt = QFile::encodeName(url);
git_repository *git;
const char *branch;
int error;
if (check_git_sha(fileNamePrt.data(), &git, &branch) == 0) {
qDebug() << "local cache was current, no need to modify dive list";
appendTextToLog("Cloud sync shows local cache was current");
goto successful_exit;
}
appendTextToLog("Cloud sync brought newer data, reloading the dive list");
clear_dive_file_data();
if (git != dummy_git_repository) {
appendTextToLog(QString("have repository and branch %1").arg(branch));
error = git_load_dives(git, branch);
} else {
appendTextToLog(QString("didn't receive valid git repo, try again"));
error = parse_file(fileNamePrt.data());
}
setAccessingCloud(-1);
if (!error) {
report_error("filename is now %s", fileNamePrt.data());
const char *error_string = get_error_string();
appendTextToLog(error_string);
set_filename(fileNamePrt.data(), true);
} else {
report_error("failed to open file %s", fileNamePrt.data());
QString errorString(get_error_string());
appendTextToLog(errorString);
revertToNoCloudIfNeeded();
return;
}
consumeFinishedLoad(currentDiveTimestamp);
successful_exit:
alreadySaving = false;
setLoadFromCloud(true);
// if we came from local storage mode, let's merge the local data into the local cache
// for the remote data - which then later gets merged with the remote data if necessary
if (oldStatus() == NOCLOUD) {
git_storage_update_progress(false, "import dives from nocloud local storage");
dive_table.preexisting = dive_table.nr;
mergeLocalRepo();
DiveListModel::instance()->clear();
DiveListModel::instance()->addAllDives();
appendTextToLog(QStringLiteral("%1 dives loaded after importing nocloud local storage").arg(dive_table.nr));
saveChangesLocal();
if (syncToCloud() == false) {
appendTextToLog(QStringLiteral("taking things back offline now that storage is synced"));
prefs.git_local_only = syncToCloud();
}
}
setAccessingCloud(-1);
// if we got here just for an initial connection to the cloud, reset to offline
if (currentGitLocalOnly) {
currentGitLocalOnly = false;
prefs.git_local_only = true;
}
return;
}
void QMLManager::loadDiveProgress(int percent)
{
setAccessingCloud(percent);
}