nextcloud-desktop/src/mirall/owncloudinfo.cpp

636 lines
21 KiB
C++

/*
* Copyright (C) by Klaas Freitag <freitag@kde.org>
*
* 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.
*/
#include "mirall/owncloudinfo.h"
#include "mirall/mirallconfigfile.h"
#include "mirall/theme.h"
#include "mirall/logger.h"
#include "creds/abstractcredentials.h"
#include <QtCore>
#include <QtGui>
#include <QAuthenticator>
#define DEFAULT_CONNECTION QLatin1String("default");
static const char WEBDAV_PATH[] = "remote.php/webdav/";
namespace Mirall
{
ownCloudInfo *ownCloudInfo::_instance = 0;
ownCloudInfo* ownCloudInfo::instance()
{
static QMutex mutex;
if (!_instance)
{
mutex.lock();
if (!_instance) {
_instance = new ownCloudInfo;
}
mutex.unlock();
}
return _instance;
}
ownCloudInfo::ownCloudInfo() :
QObject(0),
_manager(0),
_authAttempts(0),
_lastQuotaUsedBytes(0),
_lastQuotaTotalBytes(0)
{
_connection = Theme::instance()->appName();
connect(this, SIGNAL(guiLog(QString,QString)),
Logger::instance(), SIGNAL(guiLog(QString,QString)));
// this will set credentials specific qnam
setCustomConfigHandle(QString());
}
void ownCloudInfo::setNetworkAccessManager( QNetworkAccessManager* qnam )
{
delete _manager;
qnam->setParent( this );
_manager = qnam;
MirallConfigFile cfg( _configHandle );
QSslSocket::addDefaultCaCertificates(QSslCertificate::fromData(cfg.caCerts()));
connect( _manager, SIGNAL( sslErrors(QNetworkReply*, QList<QSslError>)),
this, SIGNAL(sslFailed(QNetworkReply*, QList<QSslError>)) );
_certsUntrusted = false;
}
ownCloudInfo::~ownCloudInfo()
{
}
void ownCloudInfo::setCustomConfigHandle( const QString& handle )
{
_configHandle = handle;
_authAttempts = 0; // allow a couple of tries again.
resetSSLUntrust();
MirallConfigFile cfg(_configHandle);
setNetworkAccessManager (cfg.getCredentials()->getQNAM());
}
bool ownCloudInfo::isConfigured()
{
MirallConfigFile cfgFile( _configHandle );
return cfgFile.connectionExists( _connection );
}
QNetworkReply *ownCloudInfo::checkInstallation()
{
_redirectCount = 0;
MirallConfigFile cfgFile( _configHandle );
QUrl url ( cfgFile.ownCloudUrl( _connection ) + QLatin1String("status.php") );
/* No authentication required for this. */
return getRequest(url);
}
QNetworkReply* ownCloudInfo::getWebDAVPath( const QString& path )
{
_redirectCount = 0;
QUrl url ( webdavUrl( _connection ) + path );
QNetworkReply *reply = getRequest(url);
_directories[reply] = path;
return reply;
}
QNetworkReply* ownCloudInfo::getRequest( const QUrl& url )
{
qDebug() << "Get Request to " << url;
QNetworkRequest request;
request.setUrl( url );
setupHeaders( request, 0 );
QNetworkReply *reply = _manager->get( request );
connect( reply, SIGNAL(finished()), SLOT(slotReplyFinished()));
if( !_configHandle.isEmpty() ) {
qDebug() << "Setting config handle " << _configHandle;
_configHandleMap[reply] = _configHandle;
}
connect( reply, SIGNAL( error(QNetworkReply::NetworkError )),
this, SLOT(slotError( QNetworkReply::NetworkError )));
return reply;
}
QNetworkReply* ownCloudInfo::mkdirRequest( const QString& dir )
{
qDebug() << "OCInfo Making dir " << dir;
_authAttempts = 0;
QNetworkRequest req;
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
QUrl url( webdavUrl(_connection) );
// ensure #, ? and co are interpreted as part of the path and nothing else
url.setEncodedPath(url.encodedPath()+QUrl::toPercentEncoding(dir, "/"));
#else
QUrl url(webdavUrl(_connection));
url.setPath(url.path(QUrl::FullyEncoded)+QUrl::toPercentEncoding(dir, "/"));
#endif
req.setUrl( url );
QNetworkReply *reply = davRequest("MKCOL", req, 0);
// remember the confighandle used for this request
if( ! _configHandle.isEmpty() )
qDebug() << "Setting config handle " << _configHandle;
_configHandleMap[reply] = _configHandle;
if( reply->error() != QNetworkReply::NoError ) {
qDebug() << "mkdir request network error: " << reply->errorString();
}
connect( reply, SIGNAL(finished()), SLOT(slotMkdirFinished()) );
connect( reply, SIGNAL( error(QNetworkReply::NetworkError )),
this, SLOT(slotError(QNetworkReply::NetworkError )));
return reply;
}
QNetworkReply* ownCloudInfo::getQuotaRequest( const QString& dir )
{
QNetworkRequest req;
req.setUrl( QUrl( webdavUrl(_connection) + QUrl::toPercentEncoding(dir, "/") ) );
req.setRawHeader("Depth", "0");
QByteArray xml("<?xml version=\"1.0\" ?>\n"
"<d:propfind xmlns:d=\"DAV:\">\n"
" <d:prop>\n"
" <d:quota-available-bytes/>\n"
" <d:quota-used-bytes/>\n"
" <d:getetag/>"
" </d:prop>\n"
"</d:propfind>\n");
QBuffer *buf = new QBuffer;
buf->setData(xml);
buf->open(QIODevice::ReadOnly);
QNetworkReply *reply = davRequest("PROPFIND", req, buf);
buf->setParent(reply);
if( reply->error() != QNetworkReply::NoError ) {
qDebug() << "getting quota: request network error: " << reply->errorString();
}
connect( reply, SIGNAL( finished()), SLOT(slotGetQuotaFinished()) );
connect( reply, SIGNAL( error(QNetworkReply::NetworkError)),
this, SLOT( slotError(QNetworkReply::NetworkError)));
return reply;
}
QNetworkReply* ownCloudInfo::getDirectoryListing( const QString& dir )
{
QNetworkRequest req;
QUrl url( webdavUrl(_connection) );
// ensure #, ? and co are interpreted as part of the path and nothing else
url.setPath(url.path() + dir );
req.setUrl( url );
req.setRawHeader("Depth", "1");
QByteArray xml("<?xml version=\"1.0\" ?>\n"
"<d:propfind xmlns:d=\"DAV:\">\n"
" <d:prop>\n"
" <d:resourcetype/>\n"
" </d:prop>\n"
"</d:propfind>\n");
QBuffer *buf = new QBuffer;
buf->setData(xml);
buf->open(QIODevice::ReadOnly);
QNetworkReply *reply = davRequest("PROPFIND", req, buf);
buf->setParent(reply);
if( reply->error() != QNetworkReply::NoError ) {
qDebug() << "getting quota: request network error: " << reply->errorString();
}
connect( reply, SIGNAL( finished()), SLOT(slotGetDirectoryListingFinished()) );
connect( reply, SIGNAL( error(QNetworkReply::NetworkError)),
this, SLOT( slotError(QNetworkReply::NetworkError)));
return reply;
}
void ownCloudInfo::slotMkdirFinished()
{
QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());
if( ! reply ) {
qDebug() << "ownCloudInfo: Reply empty!";
return;
}
emit webdavColCreated( reply->error() );
qDebug() << "mkdir slot hit with status: " << reply->error();
if( _configHandleMap.contains( reply ) ) {
_configHandleMap.remove( reply );
}
reply->deleteLater();
}
void ownCloudInfo::slotGetQuotaFinished()
{
bool ok = false;
QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());
int http_result_code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (http_result_code == 207) {
// Parse DAV response
QXmlStreamReader reader(reply);
reader.addExtraNamespaceDeclaration(QXmlStreamNamespaceDeclaration("d", "DAV:"));
qint64 quotaUsedBytes = 0;
qint64 quotaAvailableBytes = 0;
QString etag;
while (!reader.atEnd()) {
QXmlStreamReader::TokenType type = reader.readNext();
if (type == QXmlStreamReader::StartElement &&
reader.namespaceUri() == QLatin1String("DAV:")) {
QString name = reader.name().toString();
if (name == QLatin1String("quota-used-bytes")) {
quotaUsedBytes = reader.readElementText().toLongLong(&ok);
if (!ok) quotaUsedBytes = 0;
} else if (name == QLatin1String("quota-available-bytes")) {
quotaAvailableBytes = reader.readElementText().toLongLong(&ok);
if (!ok) quotaAvailableBytes = 0;
} else if (name == QLatin1String("getetag")) {
etag = reader.readElementText();
}
}
}
qint64 total = quotaUsedBytes + quotaAvailableBytes;
_lastQuotaTotalBytes = total;
_lastQuotaUsedBytes = quotaUsedBytes;
emit quotaUpdated(total, quotaUsedBytes);
_lastEtag = etag;
} else {
qDebug() << "Quota request *not* successful, http result code is " << http_result_code;
_lastQuotaTotalBytes = 0;
_lastQuotaUsedBytes = 0;
}
reply->deleteLater();
}
void ownCloudInfo::slotGetDirectoryListingFinished()
{
QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());
if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute) == 207) {
// Parse DAV response
QXmlStreamReader reader(reply);
reader.addExtraNamespaceDeclaration(QXmlStreamNamespaceDeclaration("d", "DAV:"));
QStringList folders;
QString currentItem;
while (!reader.atEnd()) {
QXmlStreamReader::TokenType type = reader.readNext();
if (type == QXmlStreamReader::StartElement &&
reader.namespaceUri() == QLatin1String("DAV:")) {
QString name = reader.name().toString();
if (name == QLatin1String("href")) {
currentItem = reader.readElementText();
} else if (name == QLatin1String("collection") &&
!currentItem.isEmpty()) {
folders.append(QUrl::fromEncoded(currentItem.toLatin1()).path());
currentItem.clear();
}
}
}
emit directoryListingUpdated(folders);
}
reply->deleteLater();
}
QList<QNetworkCookie> ownCloudInfo::getLastAuthCookies()
{
QUrl url = QUrl( webdavUrl(_connection));
QList<QNetworkCookie> cookies = _manager->cookieJar()->cookiesForUrl(url);
return cookies;
}
QString ownCloudInfo::configHandle(QNetworkReply *reply)
{
QString configHandle;
if( _configHandleMap.contains(reply) ) {
configHandle = _configHandleMap[reply];
}
return configHandle;
}
QList<QSslCertificate> ownCloudInfo::certificateChain() const
{
QMutexLocker lock(const_cast<QMutex*>(&_certChainMutex));
return _certificateChain;
}
//
// There have been problems with the finish-signal coming from the networkmanager.
// To avoid that, the reply-signals were connected and the data is taken from the
// sender() method.
//
void ownCloudInfo::slotReplyFinished()
{
QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());
QSslConfiguration sslConfig = reply->sslConfiguration();
if (!sslConfig.isNull()) {
QMutexLocker lock(&_certChainMutex);
_certificateChain = sslConfig.peerCertificateChain();
}
if( ! reply ) {
qDebug() << "ownCloudInfo: Reply empty!";
return;
}
// Detect redirect url
QUrl possibleRedirUrl = reply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
/* We'll deduct if the redirection is valid in the redirectUrl function */
if (!possibleRedirUrl.isEmpty() && _redirectCount++ > 10) {
// Are we in a redirect loop
qDebug() << "Redirect loop while redirecting to" << possibleRedirUrl;
possibleRedirUrl.clear();
}
if(!possibleRedirUrl.isEmpty()) {
QString configHandle;
qDebug() << "Redirected to " << possibleRedirUrl;
// We'll do another request to the redirection url.
// an empty config handle is ok for the default config.
if( _configHandleMap.contains(reply) ) {
configHandle = _configHandleMap[reply];
qDebug() << "Redirect: Have a custom config handle: " << configHandle;
}
QString path = _directories[reply];
if (path.isEmpty()) {
path = QLatin1String("status.php");
} else {
path.prepend( QLatin1String(WEBDAV_PATH) );
}
qDebug() << "This path was redirected: " << path;
QString newUrl = possibleRedirUrl.toString();
if( !path.isEmpty() && newUrl.endsWith( path )) {
// cut off the trailing path
newUrl.chop( path.length() );
_urlRedirectedTo = newUrl;
qDebug() << "Updated url to" << newUrl;
getRequest( possibleRedirUrl );
} else {
qDebug() << "WRN: Path is not part of the redirect URL. NO redirect.";
}
reply->deleteLater();
_directories.remove(reply);
_configHandleMap.remove(reply);
return;
}
// TODO: check if this is always the correct encoding
const QString version = QString::fromUtf8( reply->readAll() );
const QString url = reply->url().toString();
QString plainUrl(url);
plainUrl.remove( QLatin1String("/status.php"));
QString info( version );
if( url.endsWith( QLatin1String("status.php")) ) {
// it was a call to status.php
if( reply->error() == QNetworkReply::NoError && info.isEmpty() ) {
// This seems to be a bit strange behaviour of QNetworkAccessManager.
// It calls the finised slot multiple times but only the first read wins.
// That happend when the code connected the finished signal of the manager.
// It did not happen when the code connected to the reply finish signal.
qDebug() << "WRN: NetworkReply with not content but also no error! " << reply;
reply->deleteLater();
return;
}
qDebug() << "status.php returns: " << info << " " << reply->error() << " Reply: " << reply;
if( info.contains(QLatin1String("installed"))
&& info.contains(QLatin1String("version"))
&& info.contains(QLatin1String("versionstring")) ) {
info.remove(0,1); // remove first char which is a "{"
info.remove(-1,1); // remove the last char which is a "}"
QStringList li = info.split( QLatin1Char(',') );
QString versionStr;
QString version;
QString edition;
foreach ( const QString& infoString, li ) {
QStringList touple = infoString.split( QLatin1Char(':'));
QString key = touple[0];
key.remove(QLatin1Char('"'));
QString val = touple[1];
val.remove(QLatin1Char('"'));
if( key == QLatin1String("versionstring") ) {
// get the versionstring out.
versionStr = val;
} else if( key == QLatin1String( "version") ) {
// get version out
version = val;
} else if( key == QLatin1String( "edition") ) {
// get version out
edition = val;
} else if(key == QLatin1String("installed")) {
// Silently ignoring "installed = true" information
} else {
qDebug() << "Unknown info from ownCloud status.php: "<< key << "=" << val;
}
}
emit ownCloudInfoFound( plainUrl, versionStr, version, edition );
} else {
qDebug() << "No proper answer on " << url;
emit noOwncloudFound( reply );
}
} else {
// it was a general GET request.
QString dir(QLatin1String("unknown"));
if( _directories.contains(reply) ) {
dir = _directories[reply];
}
emit ownCloudDirExists( dir, reply );
}
reply->deleteLater();
_directories.remove(reply);
_configHandleMap.remove(reply);
}
void ownCloudInfo::resetSSLUntrust()
{
_certsUntrusted = false;
}
void ownCloudInfo::setCertsUntrusted(bool donttrust)
{
_certsUntrusted = donttrust;
}
bool ownCloudInfo::certsUntrusted()
{
return _certsUntrusted;
}
void ownCloudInfo::slotError( QNetworkReply::NetworkError err)
{
QNetworkReply *reply = qobject_cast<QNetworkReply*>(sender());
qDebug() << "ownCloudInfo Network Error"
<< err << ":" << reply->errorString();
switch (err) {
case QNetworkReply::ProxyConnectionRefusedError:
emit guiLog(tr("Proxy Refused Connection "),
tr("The configured proxy has refused the connection. "
"Please check the proxy settings."));
break;
case QNetworkReply::ProxyConnectionClosedError:
emit guiLog(tr("Proxy Closed Connection"),
tr("The configured proxy has closed the connection. "
"Please check the proxy settings."));
break;
case QNetworkReply::ProxyNotFoundError:
emit guiLog(tr("Proxy Not Found"),
tr("The configured proxy could not be found. "
"Please check the proxy settings."));
break;
case QNetworkReply::ProxyAuthenticationRequiredError:
emit guiLog(tr("Proxy Authentication Error"),
tr("The configured proxy requires login but the proxy credentials "
"are invalid. Please check the proxy settings."));
break;
case QNetworkReply::ProxyTimeoutError:
emit guiLog(tr("Proxy Connection Timed Out"),
tr("The connection to the configured proxy has timed out."));
break;
default:
break;
}
}
// ============================================================================
void ownCloudInfo::setupHeaders( QNetworkRequest & req, quint64 size )
{
QUrl url( req.url() );
qDebug() << "Setting up host header: " << url.host();
if (size) {
req.setHeader( QNetworkRequest::ContentLengthHeader, size);
req.setHeader( QNetworkRequest::ContentTypeHeader, QLatin1String("text/xml; charset=utf-8"));
}
}
QNetworkReply* ownCloudInfo::davRequest(const QByteArray& reqVerb, QNetworkRequest& req, QIODevice *data)
{
setupHeaders(req, quint64(data ? data->size() : 0));
return _manager->sendCustomRequest(req, reqVerb, data );
}
QString ownCloudInfo::webdavUrl(const QString &connection)
{
QString url;
if (!_urlRedirectedTo.isEmpty()) {
url = _urlRedirectedTo.toString();
} else {
MirallConfigFile cfgFile(_configHandle );
url = cfgFile.ownCloudUrl( connection );
}
url.append( QLatin1String( WEBDAV_PATH ) );
if (!url.endsWith('/')) url.append('/');
return url;
}
RequestEtagJob::RequestEtagJob(const QString& dir, QObject* parent)
: QObject(parent)
{
QNetworkRequest req;
req.setUrl( QUrl( ownCloudInfo::instance()->webdavUrl(ownCloudInfo::instance()->_connection) + dir ) );
if (dir.isEmpty() || dir == "/") {
/* For the root directory, we need to query the etags of all the sub directories
* because, at the time I am writing this comment (Owncloud 5.0.9), the etag of the
* root directory is not updated when the sub directories changes */
req.setRawHeader("Depth", "1");
} else {
req.setRawHeader("Depth", "0");
}
QByteArray xml("<?xml version=\"1.0\" ?>\n"
"<d:propfind xmlns:d=\"DAV:\">\n"
" <d:prop>\n"
" <d:getetag/>"
" </d:prop>\n"
"</d:propfind>\n");
QBuffer *buf = new QBuffer;
buf->setData(xml);
buf->open(QIODevice::ReadOnly);
_reply = ownCloudInfo::instance()->davRequest("PROPFIND", req, buf);
buf->setParent(_reply);
if( _reply->error() != QNetworkReply::NoError ) {
qDebug() << "getting etag: request network error: " << _reply->errorString();
}
connect( _reply, SIGNAL( finished()), SLOT(slotFinished()) );
connect( _reply, SIGNAL(error(QNetworkReply::NetworkError)),
this, SLOT(slotError()));
connect( _reply, SIGNAL(error(QNetworkReply::NetworkError)),
ownCloudInfo::instance(), SLOT(slotError(QNetworkReply::NetworkError)));
}
void RequestEtagJob::slotFinished()
{
if (_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute) == 207) {
// Parse DAV response
QXmlStreamReader reader(_reply);
reader.addExtraNamespaceDeclaration(QXmlStreamNamespaceDeclaration("d", "DAV:"));
QString etag;
while (!reader.atEnd()) {
QXmlStreamReader::TokenType type = reader.readNext();
if (type == QXmlStreamReader::StartElement &&
reader.namespaceUri() == QLatin1String("DAV:")) {
QString name = reader.name().toString();
if (name == QLatin1String("getetag")) {
etag += reader.readElementText();
}
}
}
emit etagRetreived(etag);
}
_reply->deleteLater();
deleteLater();
}
void RequestEtagJob::slotError()
{
qDebug() << "RequestEtagJob Error: " << _reply->errorString();
_reply->deleteLater();
deleteLater();
emit networkError();
}
} // ns Mirall