Some work about adaptive color scheme for Web UI (PR #19901) http://[316:c51a:62a3:8b9::4]/d4708/qBittorrent/src/branch/adaptive-webui
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/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2011 Christophe Dumez
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* Contact : chris@qbittorrent.org
*/
#include <QNetworkAccessManager>
#include <QDebug>
#include <QRegExp>
#include "dnsupdater.h"
#include "qbtsession.h"
DNSUpdater::DNSUpdater(QObject *parent) :
QObject(parent), m_state(OK), m_service(DNS::NONE)
{
updateCredentials();
// Load saved settings from previous session
QIniSettings settings("qBittorrent", "qBittorrent");
m_lastIPCheckTime = settings.value("DNSUpdater/lastUpdateTime").toDateTime();
m_lastIP = QHostAddress(settings.value("DNSUpdater/lastIP").toString());
// Start IP checking timer
m_ipCheckTimer.setInterval(IP_CHECK_INTERVAL_MS);
connect(&m_ipCheckTimer, SIGNAL(timeout()), SLOT(checkPublicIP()));
m_ipCheckTimer.start();
// Check lastUpdate to avoid flooding
if(!m_lastIPCheckTime.isValid() ||
m_lastIPCheckTime.secsTo(QDateTime::currentDateTime())*1000 > IP_CHECK_INTERVAL_MS) {
checkPublicIP();
}
}
DNSUpdater::~DNSUpdater() {
// Save lastupdate time and last ip
QIniSettings settings("qBittorrent", "qBittorrent");
settings.setValue("DNSUpdater/lastUpdateTime", m_lastIPCheckTime);
settings.setValue("DNSUpdater/lastIP", m_lastIP.toString());
}
void DNSUpdater::checkPublicIP()
{
Q_ASSERT(m_state == OK);
QNetworkAccessManager *manager = new QNetworkAccessManager(this);
connect(manager, SIGNAL(finished(QNetworkReply*)),
SLOT(ipRequestFinished(QNetworkReply*)));
m_lastIPCheckTime = QDateTime::currentDateTime();
QNetworkRequest request;
request.setUrl(QUrl("http://checkip.dyndns.org"));
request.setRawHeader("User-Agent", "qBittorrent/"VERSION" chris@qbittorrent.org");
manager->get(request);
}
void DNSUpdater::ipRequestFinished(QNetworkReply *reply)
{
qDebug() << Q_FUNC_INFO;
if(reply->error()) {
// Error
qWarning() << Q_FUNC_INFO << "Error:" << reply->errorString();
} else {
// Parse response
QRegExp ipregex("Current IP Address:\\s+([^<]+)</body>");
QString ret = reply->readAll();
if(ipregex.indexIn(ret) >= 0) {
QString ip_str = ipregex.cap(1);
qDebug() << Q_FUNC_INFO << "Regular expression captured the following IP:" << ip_str;
QHostAddress new_ip(ip_str);
if(!new_ip.isNull()) {
if(m_lastIP != new_ip) {
qDebug() << Q_FUNC_INFO << "The IP address changed, report the change to DynDNS...";
qDebug() << m_lastIP.toString() << "->" << new_ip.toString();
m_lastIP = new_ip;
updateDNSService();
}
} else {
qWarning() << Q_FUNC_INFO << "Failed to construct a QHostAddress from the IP string";
}
} else {
qWarning() << Q_FUNC_INFO << "Regular expression failed ot capture the IP address";
}
}
// Clean up
reply->deleteLater();
sender()->deleteLater();
}
void DNSUpdater::updateDNSService()
{
qDebug() << Q_FUNC_INFO;
// Prepare request
QNetworkAccessManager *manager = new QNetworkAccessManager(this);
connect(manager, SIGNAL(finished(QNetworkReply*)),
SLOT(ipUpdateFinished(QNetworkReply*)));
m_lastIPCheckTime = QDateTime::currentDateTime();
QNetworkRequest request;
request.setUrl(getUpdateUrl());
request.setRawHeader("User-Agent", "qBittorrent/"VERSION" chris@qbittorrent.org");
manager->get(request);
}
QUrl DNSUpdater::getUpdateUrl() const
{
QUrl url;
#ifdef QT_NO_OPENSSL
url.setScheme("http");
#else
url.setScheme("https");
#endif
url.setUserName(m_username);
url.setPassword(m_password);
Q_ASSERT(!m_lastIP.isNull());
// Service specific
switch(m_service) {
case DNS::DYNDNS:
url.setHost("members.dyndns.org");
break;
case DNS::NOIP:
url.setHost("dynupdate.no-ip.com");
break;
default:
qWarning() << "Unrecognized Dynamic DNS service!";
Q_ASSERT(0);
}
url.setPath("/nic/update");
url.addQueryItem("hostname", m_domain);
url.addQueryItem("myip", m_lastIP.toString());
Q_ASSERT(url.isValid());
qDebug() << Q_FUNC_INFO << url.toString();
return url;
}
void DNSUpdater::ipUpdateFinished(QNetworkReply *reply)
{
if(reply->error()) {
// Error
qWarning() << Q_FUNC_INFO << "Error:" << reply->errorString();
} else {
// Pase reply
processIPUpdateReply(reply->readAll());
}
// Clean up
reply->deleteLater();
sender()->deleteLater();
}
void DNSUpdater::processIPUpdateReply(const QString &reply)
{
qDebug() << Q_FUNC_INFO << reply;
QString code = reply.split(" ").first();
qDebug() << Q_FUNC_INFO << "Code:" << code;
if(code == "good" || code == "nochg") {
QBtSession::instance()->addConsoleMessage(tr("Your dynamic DNS was successfuly updated."), "green");
return;
}
if(code == "911" || code == "dnserr") {
QBtSession::instance()->addConsoleMessage(tr("Dynamic DNS error: The service is temporarily unavailable, it will be retried in 30 minutes."),
"red");
m_lastIP.clear();
// It will retry in 30 minutes because the timer was not stopped
return;
}
// Everything bellow is an error, stop updating until the user updates something
m_ipCheckTimer.stop();
m_lastIP.clear();
if(code == "nohost") {
QBtSession::instance()->addConsoleMessage(tr("Dynamic DNS error: hostname supplied does not exist under specified account."),
"red");
m_state = INVALID_CREDS;
return;
}
if(code == "badauth") {
QBtSession::instance()->addConsoleMessage(tr("Dynamic DNS error: Invalid username/password."), "red");
m_state = INVALID_CREDS;
return;
}
if(code == "badagent") {
QBtSession::instance()->addConsoleMessage(tr("Dynamic DNS error: qBittorrent was blacklisted by the service, please report a bug at http://bugs.qbittorrent.org."),
"red");
m_state = FATAL;
return;
}
if(code == "!donator") {
QBtSession::instance()->addConsoleMessage(tr("Dynamic DNS error: %1 was returned by the service, please report a bug at http://bugs.qbittorrent.org.").arg("!donator"),
"red");
m_state = FATAL;
return;
}
if(code == "abuse") {
QBtSession::instance()->addConsoleMessage(tr("Dynamic DNS error: Your username was blocked due to abuse."),
"red");
m_state = FATAL;
return;
}
}
void DNSUpdater::updateCredentials()
{
if(m_state == FATAL) return;
Preferences pref;
bool change = false;
// Get DNS service information
if(m_service != pref.getDynDNSService()) {
m_service = pref.getDynDNSService();
change = true;
}
if(m_domain != pref.getDynDomainName()) {
m_domain = pref.getDynDomainName();
QRegExp domain_regex("^(?:(?!\\d|-)[a-zA-Z0-9\\-]{1,63}\\.)+[a-zA-Z]{2,}$");
if(domain_regex.indexIn(m_domain) < 0) {
QBtSession::instance()->addConsoleMessage(tr("Dynamic DNS error: supplied domain name is invalid."),
"red");
m_lastIP.clear();
m_ipCheckTimer.stop();
m_state = INVALID_CREDS;
return;
}
change = true;
}
if(m_username != pref.getDynDNSUsername()) {
m_username = pref.getDynDNSUsername();
if(m_username.length() < 4) {
QBtSession::instance()->addConsoleMessage(tr("Dynamic DNS error: supplied username is too short."),
"red");
m_lastIP.clear();
m_ipCheckTimer.stop();
m_state = INVALID_CREDS;
return;
}
change = true;
}
if(m_password != pref.getDynDNSPassword()) {
m_password = pref.getDynDNSPassword();
if(m_password.length() < 4) {
QBtSession::instance()->addConsoleMessage(tr("Dynamic DNS error: supplied password is too short."),
"red");
m_lastIP.clear();
m_ipCheckTimer.stop();
m_state = INVALID_CREDS;
return;
}
change = true;
}
if(m_state == INVALID_CREDS && change) {
m_state = OK; // Try again
m_ipCheckTimer.start();
checkPublicIP();
}
}
QUrl DNSUpdater::getRegistrationUrl(int service)
{
switch(service) {
case DNS::DYNDNS:
return QUrl("https://www.dyndns.com/account/services/hosts/add.html");
case DNS::NOIP:
return QUrl("http://www.no-ip.com/services/managed_dns/free_dynamic_dns.html");
default:
Q_ASSERT(0);
}
return QUrl();
}