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nextcloud-desktop/src/libsync/networkjobs.cpp

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/*
* Copyright (C) by Klaas Freitag <freitag@owncloud.com>
* Copyright (C) by Daniel Molkentin <danimo@owncloud.com>
*
* 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 <QJsonDocument>
#include <QLoggingCategory>
#include <QNetworkRequest>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QNetworkRequest>
#include <QSslConfiguration>
#include <QSslCipher>
#include <QBuffer>
#include <QXmlStreamReader>
#include <QStringList>
#include <QStack>
#include <QTimer>
#include <QMutex>
#include <QCoreApplication>
#include <QJsonDocument>
#include <QJsonObject>
#include <qloggingcategory.h>
#ifndef TOKEN_AUTH_ONLY
#include <QPainter>
#include <QPainterPath>
#endif
#include "networkjobs.h"
#include "account.h"
#include "owncloudpropagator.h"
#include "clientsideencryption.h"
#include "creds/abstractcredentials.h"
#include "creds/httpcredentials.h"
namespace OCC {
Q_LOGGING_CATEGORY(lcEtagJob, "nextcloud.sync.networkjob.etag", QtInfoMsg)
Q_LOGGING_CATEGORY(lcLsColJob, "nextcloud.sync.networkjob.lscol", QtInfoMsg)
Q_LOGGING_CATEGORY(lcCheckServerJob, "nextcloud.sync.networkjob.checkserver", QtInfoMsg)
Q_LOGGING_CATEGORY(lcPropfindJob, "nextcloud.sync.networkjob.propfind", QtInfoMsg)
Q_LOGGING_CATEGORY(lcAvatarJob, "nextcloud.sync.networkjob.avatar", QtInfoMsg)
Q_LOGGING_CATEGORY(lcMkColJob, "nextcloud.sync.networkjob.mkcol", QtInfoMsg)
Q_LOGGING_CATEGORY(lcProppatchJob, "nextcloud.sync.networkjob.proppatch", QtInfoMsg)
Q_LOGGING_CATEGORY(lcJsonApiJob, "nextcloud.sync.networkjob.jsonapi", QtInfoMsg)
Q_LOGGING_CATEGORY(lcDetermineAuthTypeJob, "nextcloud.sync.networkjob.determineauthtype", QtInfoMsg)
const int notModifiedStatusCode = 304;
QByteArray parseEtag(const char *header)
{
if (!header)
return QByteArray();
QByteArray arr = header;
// Weak E-Tags can appear when gzip compression is on, see #3946
if (arr.startsWith("W/"))
arr = arr.mid(2);
// https://github.com/owncloud/client/issues/1195
arr.replace("-gzip", "");
if (arr.length() >= 2 && arr.startsWith('"') && arr.endsWith('"')) {
arr = arr.mid(1, arr.length() - 2);
}
return arr;
}
RequestEtagJob::RequestEtagJob(AccountPtr account, const QString &path, QObject *parent)
: AbstractNetworkJob(account, path, parent)
{
}
void RequestEtagJob::start()
{
QNetworkRequest req;
req.setRawHeader("Depth", "0");
QByteArray xml("<?xml version=\"1.0\" ?>\n"
"<d:propfind xmlns:d=\"DAV:\">\n"
" <d:prop>\n"
" <d:getetag/>\n"
" </d:prop>\n"
"</d:propfind>\n");
auto *buf = new QBuffer(this);
buf->setData(xml);
buf->open(QIODevice::ReadOnly);
// assumes ownership
sendRequest("PROPFIND", makeDavUrl(path()), req, buf);
if (reply()->error() != QNetworkReply::NoError) {
qCWarning(lcEtagJob) << "request network error: " << reply()->errorString();
}
AbstractNetworkJob::start();
}
bool RequestEtagJob::finished()
{
qCInfo(lcEtagJob) << "Request Etag of" << reply()->request().url() << "FINISHED WITH STATUS"
<< replyStatusString();
auto httpCode = reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (httpCode == 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")) {
auto etagText = reader.readElementText();
auto parsedTag = parseEtag(etagText.toUtf8());
if (!parsedTag.isEmpty()) {
etag += QString::fromUtf8(parsedTag);
} else {
etag += etagText;
}
}
}
}
emit etagRetrieved(etag, QDateTime::fromString(QString::fromUtf8(_responseTimestamp), Qt::RFC2822Date));
emit finishedWithResult(etag);
} else {
emit finishedWithResult(HttpError{ httpCode, errorString() });
}
return true;
}
/*********************************************************************************************/
MkColJob::MkColJob(AccountPtr account, const QString &path, QObject *parent)
: AbstractNetworkJob(account, path, parent)
{
}
MkColJob::MkColJob(AccountPtr account, const QString &path, const QMap<QByteArray, QByteArray> &extraHeaders, QObject *parent)
: AbstractNetworkJob(account, path, parent)
, _extraHeaders(extraHeaders)
{
}
MkColJob::MkColJob(AccountPtr account, const QUrl &url,
const QMap<QByteArray, QByteArray> &extraHeaders, QObject *parent)
: AbstractNetworkJob(account, QString(), parent)
, _url(url)
, _extraHeaders(extraHeaders)
{
}
void MkColJob::start()
{
// add 'Content-Length: 0' header (see https://github.com/owncloud/client/issues/3256)
QNetworkRequest req;
req.setRawHeader("Content-Length", "0");
for (auto it = _extraHeaders.constBegin(); it != _extraHeaders.constEnd(); ++it) {
req.setRawHeader(it.key(), it.value());
}
// assumes ownership
if (_url.isValid()) {
sendRequest("MKCOL", _url, req);
} else {
sendRequest("MKCOL", makeDavUrl(path()), req);
}
AbstractNetworkJob::start();
}
bool MkColJob::finished()
{
qCInfo(lcMkColJob) << "MKCOL of" << reply()->request().url() << "FINISHED WITH STATUS"
<< replyStatusString();
emit finished(reply()->error());
return true;
}
/*********************************************************************************************/
// supposed to read <D:collection> when pointing to <D:resourcetype><D:collection></D:resourcetype>..
static QString readContentsAsString(QXmlStreamReader &reader)
{
QString result;
int level = 0;
do {
QXmlStreamReader::TokenType type = reader.readNext();
if (type == QXmlStreamReader::StartElement) {
level++;
result += "<" + reader.name().toString() + ">";
} else if (type == QXmlStreamReader::Characters) {
result += reader.text();
} else if (type == QXmlStreamReader::EndElement) {
level--;
if (level < 0) {
break;
}
result += "</" + reader.name().toString() + ">";
}
} while (!reader.atEnd());
return result;
}
LsColXMLParser::LsColXMLParser() = default;
bool LsColXMLParser::parse(const QByteArray &xml, QHash<QString, ExtraFolderInfo> *fileInfo, const QString &expectedPath)
{
// Parse DAV response
QXmlStreamReader reader(xml);
reader.addExtraNamespaceDeclaration(QXmlStreamNamespaceDeclaration("d", "DAV:"));
QStringList folders;
QString currentHref;
QMap<QString, QString> currentTmpProperties;
QMap<QString, QString> currentHttp200Properties;
bool currentPropsHaveHttp200 = false;
bool insidePropstat = false;
bool insideProp = false;
bool insideMultiStatus = false;
while (!reader.atEnd()) {
QXmlStreamReader::TokenType type = reader.readNext();
QString name = reader.name().toString();
// Start elements with DAV:
if (type == QXmlStreamReader::StartElement && reader.namespaceUri() == QLatin1String("DAV:")) {
if (name == QLatin1String("href")) {
// We don't use URL encoding in our request URL (which is the expected path) (QNAM will do it for us)
// but the result will have URL encoding..
QString hrefString = QUrl::fromLocalFile(QUrl::fromPercentEncoding(reader.readElementText().toUtf8()))
.adjusted(QUrl::NormalizePathSegments)
.path();
if (!hrefString.startsWith(expectedPath)) {
qCWarning(lcLsColJob) << "Invalid href" << hrefString << "expected starting with" << expectedPath;
return false;
}
currentHref = hrefString;
} else if (name == QLatin1String("response")) {
} else if (name == QLatin1String("propstat")) {
insidePropstat = true;
} else if (name == QLatin1String("status") && insidePropstat) {
QString httpStatus = reader.readElementText();
if (httpStatus.startsWith("HTTP/1.1 200")) {
currentPropsHaveHttp200 = true;
} else {
currentPropsHaveHttp200 = false;
}
} else if (name == QLatin1String("prop")) {
insideProp = true;
continue;
} else if (name == QLatin1String("multistatus")) {
insideMultiStatus = true;
continue;
}
}
if (type == QXmlStreamReader::StartElement && insidePropstat && insideProp) {
// All those elements are properties
QString propertyContent = readContentsAsString(reader);
if (name == QLatin1String("resourcetype") && propertyContent.contains("collection")) {
folders.append(currentHref);
} else if (name == QLatin1String("size")) {
bool ok = false;
auto s = propertyContent.toLongLong(&ok);
if (ok && fileInfo) {
(*fileInfo)[currentHref].size = s;
}
} else if (name == QLatin1String("fileid")) {
(*fileInfo)[currentHref].fileId = propertyContent.toUtf8();
}
currentTmpProperties.insert(reader.name().toString(), propertyContent);
}
// End elements with DAV:
if (type == QXmlStreamReader::EndElement) {
if (reader.namespaceUri() == QLatin1String("DAV:")) {
if (reader.name() == "response") {
if (currentHref.endsWith('/')) {
currentHref.chop(1);
}
emit directoryListingIterated(currentHref, currentHttp200Properties);
currentHref.clear();
currentHttp200Properties.clear();
} else if (reader.name() == "propstat") {
insidePropstat = false;
if (currentPropsHaveHttp200) {
currentHttp200Properties = QMap<QString, QString>(currentTmpProperties);
}
currentTmpProperties.clear();
currentPropsHaveHttp200 = false;
} else if (reader.name() == "prop") {
insideProp = false;
}
}
}
}
if (reader.hasError()) {
// XML Parser error? Whatever had been emitted before will come as directoryListingIterated
qCWarning(lcLsColJob) << "ERROR" << reader.errorString() << xml;
return false;
} else if (!insideMultiStatus) {
qCWarning(lcLsColJob) << "ERROR no WebDAV response?" << xml;
return false;
} else {
emit directoryListingSubfolders(folders);
emit finishedWithoutError();
}
return true;
}
/*********************************************************************************************/
LsColJob::LsColJob(AccountPtr account, const QString &path, QObject *parent)
: AbstractNetworkJob(account, path, parent)
{
}
LsColJob::LsColJob(AccountPtr account, const QUrl &url, QObject *parent)
: AbstractNetworkJob(account, QString(), parent)
, _url(url)
{
}
void LsColJob::setProperties(QList<QByteArray> properties)
{
_properties = properties;
}
QList<QByteArray> LsColJob::properties() const
{
return _properties;
}
void LsColJob::start()
{
QList<QByteArray> properties = _properties;
if (properties.isEmpty()) {
qCWarning(lcLsColJob) << "Propfind with no properties!";
}
QByteArray propStr;
foreach (const QByteArray &prop, properties) {
if (prop.contains(':')) {
int colIdx = prop.lastIndexOf(":");
auto ns = prop.left(colIdx);
if (ns == "http://owncloud.org/ns") {
propStr += " <oc:" + prop.mid(colIdx + 1) + " />\n";
} else {
propStr += " <" + prop.mid(colIdx + 1) + " xmlns=\"" + ns + "\" />\n";
}
} else {
propStr += " <d:" + prop + " />\n";
}
}
QNetworkRequest req;
req.setRawHeader("Depth", "1");
QByteArray xml("<?xml version=\"1.0\" ?>\n"
"<d:propfind xmlns:d=\"DAV:\" xmlns:oc=\"http://owncloud.org/ns\">\n"
" <d:prop>\n"
+ propStr + " </d:prop>\n"
"</d:propfind>\n");
auto *buf = new QBuffer(this);
buf->setData(xml);
buf->open(QIODevice::ReadOnly);
if (_url.isValid()) {
sendRequest("PROPFIND", _url, req, buf);
} else {
sendRequest("PROPFIND", makeDavUrl(path()), req, buf);
}
AbstractNetworkJob::start();
}
// TODO: Instead of doing all in this slot, we should iteratively parse in readyRead(). This
// would allow us to be more asynchronous in processing while data is coming from the network,
// not all in one big blob at the end.
bool LsColJob::finished()
{
qCInfo(lcLsColJob) << "LSCOL of" << reply()->request().url() << "FINISHED WITH STATUS"
<< replyStatusString();
QString contentType = reply()->header(QNetworkRequest::ContentTypeHeader).toString();
int httpCode = reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (httpCode == 207 && contentType.contains("application/xml; charset=utf-8")) {
LsColXMLParser parser;
connect(&parser, &LsColXMLParser::directoryListingSubfolders,
this, &LsColJob::directoryListingSubfolders);
connect(&parser, &LsColXMLParser::directoryListingIterated,
this, &LsColJob::directoryListingIterated);
connect(&parser, &LsColXMLParser::finishedWithError,
this, &LsColJob::finishedWithError);
connect(&parser, &LsColXMLParser::finishedWithoutError,
this, &LsColJob::finishedWithoutError);
QString expectedPath = reply()->request().url().path(); // something like "/owncloud/remote.php/dav/folder"
if (!parser.parse(reply()->readAll(), &_folderInfos, expectedPath)) {
// XML parse error
emit finishedWithError(reply());
}
} else {
// wrong content type, wrong HTTP code or any other network error
emit finishedWithError(reply());
}
return true;
}
/*********************************************************************************************/
namespace {
const char statusphpC[] = "status.php";
const char nextcloudDirC[] = "nextcloud/";
}
CheckServerJob::CheckServerJob(AccountPtr account, QObject *parent)
: AbstractNetworkJob(account, QLatin1String(statusphpC), parent)
, _subdirFallback(false)
, _permanentRedirects(0)
{
setIgnoreCredentialFailure(true);
connect(this, &AbstractNetworkJob::redirected,
this, &CheckServerJob::slotRedirected);
}
void CheckServerJob::start()
{
_serverUrl = account()->url();
sendRequest("GET", Utility::concatUrlPath(_serverUrl, path()));
connect(reply(), &QNetworkReply::metaDataChanged, this, &CheckServerJob::metaDataChangedSlot);
connect(reply(), &QNetworkReply::encrypted, this, &CheckServerJob::encryptedSlot);
AbstractNetworkJob::start();
}
void CheckServerJob::onTimedOut()
{
qCWarning(lcCheckServerJob) << "TIMEOUT";
if (reply() && reply()->isRunning()) {
emit timeout(reply()->url());
} else if (!reply()) {
qCWarning(lcCheckServerJob) << "Timeout even there was no reply?";
}
deleteLater();
}
QString CheckServerJob::version(const QJsonObject &info)
{
return info.value(QLatin1String("version")).toString();
}
QString CheckServerJob::versionString(const QJsonObject &info)
{
return info.value(QLatin1String("versionstring")).toString();
}
bool CheckServerJob::installed(const QJsonObject &info)
{
return info.value(QLatin1String("installed")).toBool();
}
static void mergeSslConfigurationForSslButton(const QSslConfiguration &config, AccountPtr account)
{
if (config.peerCertificateChain().length() > 0) {
account->_peerCertificateChain = config.peerCertificateChain();
}
if (!config.sessionCipher().isNull()) {
account->_sessionCipher = config.sessionCipher();
}
if (config.sessionTicket().length() > 0) {
account->_sessionTicket = config.sessionTicket();
}
}
void CheckServerJob::encryptedSlot()
{
mergeSslConfigurationForSslButton(reply()->sslConfiguration(), account());
}
void CheckServerJob::slotRedirected(QNetworkReply *reply, const QUrl &targetUrl, int redirectCount)
{
QByteArray slashStatusPhp("/");
slashStatusPhp.append(statusphpC);
int httpCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
QString path = targetUrl.path();
if ((httpCode == 301 || httpCode == 308) // permanent redirection
&& redirectCount == _permanentRedirects // don't apply permanent redirects after a temporary one
&& path.endsWith(slashStatusPhp)) {
_serverUrl = targetUrl;
_serverUrl.setPath(path.left(path.size() - slashStatusPhp.size()));
qCInfo(lcCheckServerJob) << "status.php was permanently redirected to"
<< targetUrl << "new server url is" << _serverUrl;
++_permanentRedirects;
}
}
void CheckServerJob::metaDataChangedSlot()
{
account()->setSslConfiguration(reply()->sslConfiguration());
mergeSslConfigurationForSslButton(reply()->sslConfiguration(), account());
}
bool CheckServerJob::finished()
{
if (reply()->request().url().scheme() == QLatin1String("https")
&& reply()->sslConfiguration().sessionTicket().isEmpty()
&& reply()->error() == QNetworkReply::NoError) {
qCWarning(lcCheckServerJob) << "No SSL session identifier / session ticket is used, this might impact sync performance negatively.";
}
mergeSslConfigurationForSslButton(reply()->sslConfiguration(), account());
// The server installs to /owncloud. Let's try that if the file wasn't found
// at the original location
if ((reply()->error() == QNetworkReply::ContentNotFoundError) && (!_subdirFallback)) {
_subdirFallback = true;
setPath(QLatin1String(nextcloudDirC) + QLatin1String(statusphpC));
start();
qCInfo(lcCheckServerJob) << "Retrying with" << reply()->url();
return false;
}
QByteArray body = reply()->peek(4 * 1024);
int httpStatus = reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (body.isEmpty() || httpStatus != 200) {
qCWarning(lcCheckServerJob) << "error: status.php replied " << httpStatus << body;
emit instanceNotFound(reply());
} else {
QJsonParseError error;
auto status = QJsonDocument::fromJson(body, &error);
// empty or invalid response
if (error.error != QJsonParseError::NoError || status.isNull()) {
qCWarning(lcCheckServerJob) << "status.php from server is not valid JSON!" << body << reply()->request().url() << error.errorString();
}
qCInfo(lcCheckServerJob) << "status.php returns: " << status << " " << reply()->error() << " Reply: " << reply();
if (status.object().contains("installed")) {
emit instanceFound(_serverUrl, status.object());
} else {
qCWarning(lcCheckServerJob) << "No proper answer on " << reply()->url();
emit instanceNotFound(reply());
}
}
return true;
}
/*********************************************************************************************/
PropfindJob::PropfindJob(AccountPtr account, const QString &path, QObject *parent)
: AbstractNetworkJob(account, path, parent)
{
}
void PropfindJob::start()
{
QList<QByteArray> properties = _properties;
if (properties.isEmpty()) {
qCWarning(lcLsColJob) << "Propfind with no properties!";
}
QNetworkRequest req;
// Always have a higher priority than the propagator because we use this from the UI
// and really want this to be done first (no matter what internal scheduling QNAM uses).
// Also possibly useful for avoiding false timeouts.
req.setPriority(QNetworkRequest::HighPriority);
req.setRawHeader("Depth", "0");
QByteArray propStr;
foreach (const QByteArray &prop, properties) {
if (prop.contains(':')) {
int colIdx = prop.lastIndexOf(":");
propStr += " <" + prop.mid(colIdx + 1) + " xmlns=\"" + prop.left(colIdx) + "\" />\n";
} else {
propStr += " <d:" + prop + " />\n";
}
}
QByteArray xml = "<?xml version=\"1.0\" ?>\n"
"<d:propfind xmlns:d=\"DAV:\">\n"
" <d:prop>\n"
+ propStr + " </d:prop>\n"
"</d:propfind>\n";
auto *buf = new QBuffer(this);
buf->setData(xml);
buf->open(QIODevice::ReadOnly);
sendRequest("PROPFIND", makeDavUrl(path()), req, buf);
AbstractNetworkJob::start();
}
void PropfindJob::setProperties(QList<QByteArray> properties)
{
_properties = properties;
}
QList<QByteArray> PropfindJob::properties() const
{
return _properties;
}
bool PropfindJob::finished()
{
qCInfo(lcPropfindJob) << "PROPFIND of" << reply()->request().url() << "FINISHED WITH STATUS"
<< replyStatusString();
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:"));
QVariantMap items;
// introduced to nesting is ignored
QStack<QString> curElement;
while (!reader.atEnd()) {
QXmlStreamReader::TokenType type = reader.readNext();
if (type == QXmlStreamReader::StartElement) {
if (!curElement.isEmpty() && curElement.top() == QLatin1String("prop")) {
items.insert(reader.name().toString(), reader.readElementText(QXmlStreamReader::SkipChildElements));
} else {
curElement.push(reader.name().toString());
}
}
if (type == QXmlStreamReader::EndElement) {
if (curElement.top() == reader.name()) {
curElement.pop();
}
}
}
if (reader.hasError()) {
qCWarning(lcPropfindJob) << "XML parser error: " << reader.errorString();
emit finishedWithError(reply());
} else {
emit result(items);
}
} else {
qCWarning(lcPropfindJob) << "*not* successful, http result code is" << http_result_code
<< (http_result_code == 302 ? reply()->header(QNetworkRequest::LocationHeader).toString() : QLatin1String(""));
emit finishedWithError(reply());
}
return true;
}
/*********************************************************************************************/
#ifndef TOKEN_AUTH_ONLY
AvatarJob::AvatarJob(AccountPtr account, const QString &userId, int size, QObject *parent)
: AbstractNetworkJob(account, QString(), parent)
{
if (account->serverVersionInt() >= Account::makeServerVersion(10, 0, 0)) {
_avatarUrl = Utility::concatUrlPath(account->url(), QString("remote.php/dav/avatars/%1/%2.png").arg(userId, QString::number(size)));
} else {
_avatarUrl = Utility::concatUrlPath(account->url(), QString("index.php/avatar/%1/%2").arg(userId, QString::number(size)));
}
}
void AvatarJob::start()
{
QNetworkRequest req;
sendRequest("GET", _avatarUrl, req);
AbstractNetworkJob::start();
}
QImage AvatarJob::makeCircularAvatar(const QImage &baseAvatar)
{
if (baseAvatar.isNull()) {
return {};
}
int dim = baseAvatar.width();
QImage avatar(dim, dim, QImage::Format_ARGB32);
avatar.fill(Qt::transparent);
QPainter painter(&avatar);
painter.setRenderHint(QPainter::Antialiasing);
QPainterPath path;
path.addEllipse(0, 0, dim, dim);
painter.setClipPath(path);
painter.drawImage(0, 0, baseAvatar);
painter.end();
return avatar;
}
bool AvatarJob::finished()
{
int http_result_code = reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
QImage avImage;
if (http_result_code == 200) {
QByteArray pngData = reply()->readAll();
if (pngData.size()) {
if (avImage.loadFromData(pngData)) {
qCDebug(lcAvatarJob) << "Retrieved Avatar pixmap!";
}
}
}
emit(avatarPixmap(avImage));
return true;
}
#endif
/*********************************************************************************************/
ProppatchJob::ProppatchJob(AccountPtr account, const QString &path, QObject *parent)
: AbstractNetworkJob(account, path, parent)
{
}
void ProppatchJob::start()
{
if (_properties.isEmpty()) {
qCWarning(lcProppatchJob) << "Proppatch with no properties!";
}
QNetworkRequest req;
QByteArray propStr;
QMapIterator<QByteArray, QByteArray> it(_properties);
while (it.hasNext()) {
it.next();
QByteArray keyName = it.key();
QByteArray keyNs;
if (keyName.contains(':')) {
int colIdx = keyName.lastIndexOf(":");
keyNs = keyName.left(colIdx);
keyName = keyName.mid(colIdx + 1);
}
propStr += " <" + keyName;
if (!keyNs.isEmpty()) {
propStr += " xmlns=\"" + keyNs + "\" ";
}
propStr += ">";
propStr += it.value();
propStr += "</" + keyName + ">\n";
}
QByteArray xml = "<?xml version=\"1.0\" ?>\n"
"<d:propertyupdate xmlns:d=\"DAV:\">\n"
" <d:set><d:prop>\n"
+ propStr + " </d:prop></d:set>\n"
"</d:propertyupdate>\n";
auto *buf = new QBuffer(this);
buf->setData(xml);
buf->open(QIODevice::ReadOnly);
sendRequest("PROPPATCH", makeDavUrl(path()), req, buf);
AbstractNetworkJob::start();
}
void ProppatchJob::setProperties(QMap<QByteArray, QByteArray> properties)
{
_properties = properties;
}
QMap<QByteArray, QByteArray> ProppatchJob::properties() const
{
return _properties;
}
bool ProppatchJob::finished()
{
qCInfo(lcProppatchJob) << "PROPPATCH of" << reply()->request().url() << "FINISHED WITH STATUS"
<< replyStatusString();
int http_result_code = reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (http_result_code == 207) {
emit success();
} else {
qCWarning(lcProppatchJob) << "*not* successful, http result code is" << http_result_code
<< (http_result_code == 302 ? reply()->header(QNetworkRequest::LocationHeader).toString() : QLatin1String(""));
emit finishedWithError();
}
return true;
}
/*********************************************************************************************/
EntityExistsJob::EntityExistsJob(AccountPtr account, const QString &path, QObject *parent)
: AbstractNetworkJob(account, path, parent)
{
}
void EntityExistsJob::start()
{
sendRequest("HEAD", makeAccountUrl(path()));
AbstractNetworkJob::start();
}
bool EntityExistsJob::finished()
{
emit exists(reply());
return true;
}
/*********************************************************************************************/
JsonApiJob::JsonApiJob(const AccountPtr &account, const QString &path, QObject *parent)
: AbstractNetworkJob(account, path, parent)
{
}
void JsonApiJob::addQueryParams(const QUrlQuery &params)
{
_additionalParams = params;
}
void JsonApiJob::addRawHeader(const QByteArray &headerName, const QByteArray &value)
{
_request.setRawHeader(headerName, value);
}
void JsonApiJob::start()
{
addRawHeader("OCS-APIREQUEST", "true");
auto query = _additionalParams;
query.addQueryItem(QLatin1String("format"), QLatin1String("json"));
QUrl url = Utility::concatUrlPath(account()->url(), path(), query);
sendRequest(_usePOST ? "POST" : "GET", url, _request);
AbstractNetworkJob::start();
}
bool JsonApiJob::finished()
{
qCInfo(lcJsonApiJob) << "JsonApiJob of" << reply()->request().url() << "FINISHED WITH STATUS"
<< replyStatusString();
int statusCode = 0;
int httpStatusCode = reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (reply()->error() != QNetworkReply::NoError) {
qCWarning(lcJsonApiJob) << "Network error: " << path() << errorString() << reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute);
statusCode = reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
emit jsonReceived(QJsonDocument(), statusCode);
return true;
}
QString jsonStr = QString::fromUtf8(reply()->readAll());
if (jsonStr.contains("<?xml version=\"1.0\"?>")) {
QRegExp rex("<statuscode>(\\d+)</statuscode>");
if (jsonStr.contains(rex)) {
// this is a error message coming back from ocs.
statusCode = rex.cap(1).toInt();
}
} else if(jsonStr.isEmpty() && httpStatusCode == notModifiedStatusCode){
qCWarning(lcJsonApiJob) << "Nothing changed so nothing to retrieve - status code: " << httpStatusCode;
statusCode = httpStatusCode;
} else {
QRegExp rex(R"("statuscode":(\d+),)");
// example: "{"ocs":{"meta":{"status":"ok","statuscode":100,"message":null},"data":{"version":{"major":8,"minor":"... (504)
if (jsonStr.contains(rex)) {
statusCode = rex.cap(1).toInt();
}
}
// save new ETag value
if(reply()->rawHeaderList().contains("ETag"))
emit etagResponseHeaderReceived(reply()->rawHeader("ETag"), statusCode);
const auto desktopNotificationsAllowed = reply()->rawHeader(QByteArray("X-Nextcloud-User-Status"));
if(!desktopNotificationsAllowed.isEmpty()) {
emit allowDesktopNotificationsChanged(desktopNotificationsAllowed == "online");
}
QJsonParseError error;
auto json = QJsonDocument::fromJson(jsonStr.toUtf8(), &error);
// empty or invalid response and status code is != 304 because jsonStr is expected to be empty
if ((error.error != QJsonParseError::NoError || json.isNull()) && httpStatusCode != notModifiedStatusCode) {
qCWarning(lcJsonApiJob) << "invalid JSON!" << jsonStr << error.errorString();
emit jsonReceived(json, statusCode);
return true;
}
emit jsonReceived(json, statusCode);
return true;
}
DetermineAuthTypeJob::DetermineAuthTypeJob(AccountPtr account, QObject *parent)
: QObject(parent)
, _account(account)
{
}
void DetermineAuthTypeJob::start()
{
qCInfo(lcDetermineAuthTypeJob) << "Determining auth type for" << _account->davUrl();
QNetworkRequest req;
// Prevent HttpCredentialsAccessManager from setting an Authorization header.
req.setAttribute(HttpCredentials::DontAddCredentialsAttribute, true);
// Don't reuse previous auth credentials
req.setAttribute(QNetworkRequest::AuthenticationReuseAttribute, QNetworkRequest::Manual);
// Start three parallel requests
// 1. determines whether it's a basic auth server
auto get = _account->sendRequest("GET", _account->url(), req);
// 2. checks the HTTP auth method.
auto propfind = _account->sendRequest("PROPFIND", _account->davUrl(), req);
// 3. Determines if the old flow has to be used (GS for now)
auto oldFlowRequired = new JsonApiJob(_account, "/ocs/v2.php/cloud/capabilities", this);
get->setTimeout(30 * 1000);
propfind->setTimeout(30 * 1000);
oldFlowRequired->setTimeout(30 * 1000);
get->setIgnoreCredentialFailure(true);
propfind->setIgnoreCredentialFailure(true);
oldFlowRequired->setIgnoreCredentialFailure(true);
connect(get, &SimpleNetworkJob::finishedSignal, this, [this, get]() {
if (get->reply()->error() == QNetworkReply::AuthenticationRequiredError) {
_resultGet = Basic;
} else {
_resultGet = LoginFlowV2;
}
_getDone = true;
checkAllDone();
});
connect(propfind, &SimpleNetworkJob::finishedSignal, this, [this](QNetworkReply *reply) {
auto authChallenge = reply->rawHeader("WWW-Authenticate").toLower();
if (authChallenge.contains("bearer ")) {
_resultPropfind = OAuth;
} else {
if (authChallenge.isEmpty()) {
qCWarning(lcDetermineAuthTypeJob) << "Did not receive WWW-Authenticate reply to auth-test PROPFIND";
} else {
qCWarning(lcDetermineAuthTypeJob) << "Unknown WWW-Authenticate reply to auth-test PROPFIND:" << authChallenge;
}
_resultPropfind = Basic;
}
_propfindDone = true;
checkAllDone();
});
connect(oldFlowRequired, &JsonApiJob::jsonReceived, this, [this](const QJsonDocument &json, int statusCode) {
if (statusCode == 200) {
_resultOldFlow = LoginFlowV2;
auto data = json.object().value("ocs").toObject().value("data").toObject().value("capabilities").toObject();
auto gs = data.value("globalscale");
if (gs != QJsonValue::Undefined) {
auto flow = gs.toObject().value("desktoplogin");
if (flow != QJsonValue::Undefined) {
if (flow.toInt() == 1) {
#ifdef WITH_WEBENGINE
_resultOldFlow = WebViewFlow;
#else // WITH_WEBENGINE
qCWarning(lcDetermineAuthTypeJob) << "Server does only support flow1, but this client was compiled without support for flow1";
#endif // WITH_WEBENGINE
}
}
}
} else {
_resultOldFlow = Basic;
}
_oldFlowDone = true;
checkAllDone();
});
oldFlowRequired->start();
}
void DetermineAuthTypeJob::checkAllDone()
{
// Do not conitunue until eve
if (!_getDone || !_propfindDone || !_oldFlowDone) {
return;
}
Q_ASSERT(_resultGet != NoAuthType);
Q_ASSERT(_resultPropfind != NoAuthType);
Q_ASSERT(_resultOldFlow != NoAuthType);
auto result = _resultPropfind;
#ifdef WITH_WEBENGINE
// WebViewFlow > OAuth > Basic
if (_account->serverVersionInt() >= Account::makeServerVersion(12, 0, 0)) {
result = WebViewFlow;
}
#endif // WITH_WEBENGINE
// LoginFlowV2 > WebViewFlow > OAuth > Basic
if (_account->serverVersionInt() >= Account::makeServerVersion(16, 0, 0)) {
result = LoginFlowV2;
}
#ifdef WITH_WEBENGINE
// If we determined that we need the webview flow (GS for example) then we switch to that
if (_resultOldFlow == WebViewFlow) {
result = WebViewFlow;
}
#endif // WITH_WEBENGINE
// If we determined that a simple get gave us an authentication required error
// then the server enforces basic auth and we got no choice but to use this
if (_resultGet == Basic) {
result = Basic;
}
qCInfo(lcDetermineAuthTypeJob) << "Auth type for" << _account->davUrl() << "is" << result;
emit authType(result);
deleteLater();
}
SimpleNetworkJob::SimpleNetworkJob(AccountPtr account, QObject *parent)
: AbstractNetworkJob(account, QString(), parent)
{
}
QNetworkReply *SimpleNetworkJob::startRequest(const QByteArray &verb, const QUrl &url,
QNetworkRequest req, QIODevice *requestBody)
{
auto reply = sendRequest(verb, url, req, requestBody);
start();
return reply;
}
bool SimpleNetworkJob::finished()
{
emit finishedSignal(reply());
return true;
}
DeleteApiJob::DeleteApiJob(AccountPtr account, const QString &path, QObject *parent)
: AbstractNetworkJob(account, path, parent)
{
}
void DeleteApiJob::start()
{
QNetworkRequest req;
req.setRawHeader("OCS-APIREQUEST", "true");
QUrl url = Utility::concatUrlPath(account()->url(), path());
sendRequest("DELETE", url, req);
AbstractNetworkJob::start();
}
bool DeleteApiJob::finished()
{
qCInfo(lcJsonApiJob) << "JsonApiJob of" << reply()->request().url() << "FINISHED WITH STATUS"
<< reply()->error()
<< (reply()->error() == QNetworkReply::NoError ? QLatin1String("") : errorString());
int httpStatus = reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (reply()->error() != QNetworkReply::NoError) {
qCWarning(lcJsonApiJob) << "Network error: " << path() << errorString() << httpStatus;
emit result(httpStatus);
return true;
}
const auto replyData = QString::fromUtf8(reply()->readAll());
qCInfo(lcJsonApiJob()) << "TMX Delete Job" << replyData;
emit result(httpStatus);
return true;
}
void fetchPrivateLinkUrl(AccountPtr account, const QString &remotePath,
const QByteArray &numericFileId, QObject *target,
std::function<void(const QString &url)> targetFun)
{
QString oldUrl;
if (!numericFileId.isEmpty())
oldUrl = account->deprecatedPrivateLinkUrl(numericFileId).toString(QUrl::FullyEncoded);
// Retrieve the new link by PROPFIND
auto *job = new PropfindJob(account, remotePath, target);
job->setProperties(
QList<QByteArray>()
<< "http://owncloud.org/ns:fileid" // numeric file id for fallback private link generation
<< "http://owncloud.org/ns:privatelink");
job->setTimeout(10 * 1000);
QObject::connect(job, &PropfindJob::result, target, [=](const QVariantMap &result) {
auto privateLinkUrl = result["privatelink"].toString();
auto numericFileId = result["fileid"].toByteArray();
if (!privateLinkUrl.isEmpty()) {
targetFun(privateLinkUrl);
} else if (!numericFileId.isEmpty()) {
targetFun(account->deprecatedPrivateLinkUrl(numericFileId).toString(QUrl::FullyEncoded));
} else {
targetFun(oldUrl);
}
});
QObject::connect(job, &PropfindJob::finishedWithError, target, [=](QNetworkReply *) {
targetFun(oldUrl);
});
job->start();
}
} // namespace OCC
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