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https://github.com/nextcloud/desktop.git
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Add connectionvalidator class
This commit is contained in:
Daniel Molkentin
parent
90d0460a42
commit
f0bd1ea48e
2 changed files with 266 additions and 0 deletions
193
src/mirall/connectionvalidator.cpp
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193
src/mirall/connectionvalidator.cpp
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/*
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* Copyright (C) by Klaas Freitag <freitag@owncloud.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include <QtCore>
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#include "mirall/connectionvalidator.h"
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#include "mirall/owncloudinfo.h"
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#include "mirall/mirallconfigfile.h"
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#include "mirall/theme.h"
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#include "mirall/credentialstore.h"
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namespace Mirall {
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ConnectionValidator::ConnectionValidator(QObject *parent) :
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QObject(parent)
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{
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}
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ConnectionValidator::ConnectionValidator(const QString& connection, QObject *parent)
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:_connection(connection)
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{
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ownCloudInfo::instance()->setCustomConfigHandle(_connection);
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}
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QStringList ConnectionValidator::errors() const
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{
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return _errors;
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}
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QString ConnectionValidator::statusString( Status )
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{
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return QLatin1String("Get your street creds!");
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}
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void ConnectionValidator::checkConnection()
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{
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if( ownCloudInfo::instance()->isConfigured() ) {
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connect( ownCloudInfo::instance(),SIGNAL(ownCloudInfoFound(QString,QString,QString,QString)),
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SLOT(slotStatusFound(QString,QString,QString,QString)));
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connect( ownCloudInfo::instance(),SIGNAL(noOwncloudFound(QNetworkReply*)),
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SLOT(slotNoStatusFound(QNetworkReply*)));
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// checks for status.php
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ownCloudInfo::instance()->checkInstallation();
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} else {
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emit connectionResult( NotConfigured );
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}
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}
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void ConnectionValidator::slotStatusFound( const QString& url, const QString& versionStr, const QString& version, const QString& edition)
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{
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// status.php was found.
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qDebug() << "** Application: ownCloud found: " << url << " with version " << versionStr << "(" << version << ")";
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// now check the authentication
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MirallConfigFile cfgFile(_connection);
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cfgFile.setOwnCloudVersion( version );
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// disconnect from ownCloudInfo
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disconnect( ownCloudInfo::instance(),SIGNAL(ownCloudInfoFound(QString,QString,QString,QString)),
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this, SLOT(slotStatusFound(QString,QString,QString,QString)));
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disconnect( ownCloudInfo::instance(),SIGNAL(noOwncloudFound(QNetworkReply*)),
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this, SLOT(slotNoStatusFound(QNetworkReply*)));
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if( version.startsWith("4.0") ) {
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_errors.append( tr("<p>The configured server for this client is too old.</p>"
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"<p>Please update to the latest server and restart the client.</p>"));
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emit connectionResult( ServerVersionMismatch );
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return;
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}
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QTimer::singleShot( 0, this, SLOT( slotFetchCredentials() ));
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}
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// status.php could not be loaded.
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void ConnectionValidator::slotNoStatusFound(QNetworkReply *reply)
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{
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// disconnect from ownCloudInfo
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disconnect( ownCloudInfo::instance(),SIGNAL(ownCloudInfoFound(QString,QString,QString,QString)),
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this, SLOT(slotStatusFound(QString,QString,QString,QString)));
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disconnect( ownCloudInfo::instance(),SIGNAL(noOwncloudFound(QNetworkReply*)),
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this, SLOT(slotNoStatusFound(QNetworkReply*)));
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_errors.append( reply->errorString() );
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emit connectionResult( StatusNotFound );
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}
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void ConnectionValidator::slotFetchCredentials()
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{
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if( _connection.isEmpty() ) {
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if( CredentialStore::instance()->canTryAgain() ) {
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connect( CredentialStore::instance(), SIGNAL(fetchCredentialsFinished(bool)),
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this, SLOT(slotCredentialsFetched(bool)) );
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CredentialStore::instance()->fetchCredentials();
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}
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if( CredentialStore::instance()->state() == CredentialStore::TooManyAttempts ) {
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_errors << tr("Too many attempts to get a valid password.");
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emit connectionResult( CredentialsTooManyAttempts );
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}
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} else {
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// Pull credentials from Mirall config.
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slotCredentialsFetched( true );
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}
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}
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void ConnectionValidator::slotCredentialsFetched( bool ok )
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{
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qDebug() << "Credentials successfully fetched: " << ok;
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disconnect( CredentialStore::instance(), SIGNAL(fetchCredentialsFinished(bool)) );
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if( ! ok ) {
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Status stat;
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_errors << tr("Error: Could not retrieve the password!");
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if( CredentialStore::instance()->state() == CredentialStore::UserCanceled ) {
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_errors << tr("Password dialog was canceled!");
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stat = CredentialsUserCanceled;
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} else {
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_errors << CredentialStore::instance()->errorMessage();
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stat = CredentialError;
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}
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qDebug() << "Could not fetch credentials" << _errors;
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emit connectionResult( stat );
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} else {
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QString user, pwd;
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if( _connection.isEmpty() ) {
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user = CredentialStore::instance()->user();
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pwd = CredentialStore::instance()->password();
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} else {
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// in case of reconfiguration, the _connection is set.
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MirallConfigFile cfg(_connection);
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user = cfg.ownCloudUser();
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pwd = cfg.ownCloudPasswd();
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}
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ownCloudInfo::instance()->setCredentials( user, pwd );
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// Credential fetched ok.
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QTimer::singleShot( 0, this, SLOT( slotCheckAuthentication() ));
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}
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}
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void ConnectionValidator::slotCheckAuthentication()
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{
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connect( ownCloudInfo::instance(), SIGNAL(ownCloudDirExists(QString,QNetworkReply*)),
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this, SLOT(slotAuthCheck(QString,QNetworkReply*)));
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qDebug() << "# checking for authentication settings.";
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ownCloudInfo::instance()->getRequest(QLatin1String("/"), true ); // this call needs to be authenticated.
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// simply GET the webdav root, will fail if credentials are wrong.
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// continue in slotAuthCheck here :-)
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}
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void ConnectionValidator::slotAuthCheck( const QString& ,QNetworkReply *reply )
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{
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bool ok = true;
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Status stat = Connected;
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if( reply->error() == QNetworkReply::AuthenticationRequiredError ||
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reply->error() == QNetworkReply::OperationCanceledError ) { // returned if the user is wrong.
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qDebug() << "******** Password is wrong!";
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_errors << "The provided credentials are wrong.";
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stat = CredentialsWrong;
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ok = false;
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}
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// disconnect from ownCloud Info signals
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disconnect( ownCloudInfo::instance(),SIGNAL(ownCloudDirExists(QString,QNetworkReply*)),
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this,SLOT(slotAuthCheck(QString,QNetworkReply*)));
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emit connectionResult( stat );
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}
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}
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73
src/mirall/connectionvalidator.h
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73
src/mirall/connectionvalidator.h
Normal file
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@ -0,0 +1,73 @@
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/*
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* Copyright (C) by Klaas Freitag <freitag@owncloud.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#ifndef CONNECTIONVALIDATOR_H
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#define CONNECTIONVALIDATOR_H
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#include <QObject>
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#include <QStringList>
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class QNetworkReply;
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namespace Mirall {
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class ConnectionValidator : public QObject
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{
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Q_OBJECT
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public:
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explicit ConnectionValidator(QObject *parent = 0);
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explicit ConnectionValidator(const QString& connection, QObject *parent = 0);
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enum Status {
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Undefined,
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Connected,
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NotConfigured,
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ServerVersionMismatch,
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CredentialsTooManyAttempts,
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CredentialError,
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CredentialsUserCanceled,
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CredentialsWrong,
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StatusNotFound
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};
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QStringList errors() const;
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void checkConnection();
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QString statusString( Status );
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signals:
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void connectionResult( ConnectionValidator::Status );
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void connectionAvailable();
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void connectionFailed();
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public slots:
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protected slots:
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void slotStatusFound( const QString&, const QString&, const QString&, const QString& );
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void slotNoStatusFound(QNetworkReply *);
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void slotFetchCredentials();
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void slotCredentialsFetched( bool );
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void slotCheckAuthentication();
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void slotAuthCheck( const QString& ,QNetworkReply * );
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private:
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QStringList _errors;
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QString _connection;
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};
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}
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#endif // CONNECTIONVALIDATOR_H
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