/*!
Returns a new QNetworkReply object to handle the operation \a op
and request \a req. The device \a outgoingData is always 0 for Get and
Head requests, but is the value passed to post() and put() in
those operations (the QByteArray variants will pass a QBuffer
object).
The default implementation calls QNetworkCookieJar::cookiesForUrl()
on the cookie jar set with setCookieJar() to obtain the cookies to
be sent to the remote server.
The returned object must be in an open state.
*/
QNetworkReply *QNetworkAccessManager::createRequest(QNetworkAccessManager::Operation op,
const QNetworkRequest &req,
QIODevice *outgoingData)
{
Q_D(QNetworkAccessManager);
bool isLocalFile = req.url().isLocalFile();
QString scheme = req.url().scheme().toLower();
// fast path for GET on file:// URLs
// The QNetworkAccessFileBackend will right now only be used for PUT
if ((op == QNetworkAccessManager::GetOperation || op == QNetworkAccessManager::HeadOperation)
&& (isLocalFile || scheme == QLatin1String("qrc"))) {
return new QNetworkReplyFileImpl(this, req, op);
}
if ((op == QNetworkAccessManager::GetOperation || op == QNetworkAccessManager::HeadOperation)
&& scheme == QLatin1String("data")) {
return new QNetworkReplyDataImpl(this, req, op);
}
// A request with QNetworkRequest::AlwaysCache does not need any bearer management
QNetworkRequest::CacheLoadControl mode =
static_cast<QNetworkRequest::CacheLoadControl>(
req.attribute(QNetworkRequest::CacheLoadControlAttribute,
QNetworkRequest::PreferNetwork).toInt());
if (mode == QNetworkRequest::AlwaysCache
&& (op == QNetworkAccessManager::GetOperation
|| op == QNetworkAccessManager::HeadOperation)) {
// FIXME Implement a QNetworkReplyCacheImpl instead, see QTBUG-15106
QNetworkReplyImpl *reply = new QNetworkReplyImpl(this);
QNetworkReplyImplPrivate *priv = reply->d_func();
priv->manager = this;
priv->backend = new QNetworkAccessCacheBackend();
priv->backend->manager = this->d_func();
priv->backend->setParent(reply);
priv->backend->reply = priv;
priv->setup(op, req, outgoingData);
return reply;
}
#ifndef QT_NO_BEARERMANAGEMENT
// Return a disabled network reply if network access is disabled.
// Except if the scheme is empty or file://.
if (!d->networkAccessible && !isLocalFile) {
return new QDisabledNetworkReply(this, req, op);
}
if (!d->networkSession && (d->initializeSession || !d->networkConfiguration.isEmpty())) {
QNetworkConfigurationManager manager;
if (!d->networkConfiguration.isEmpty()) {
d->createSession(manager.configurationFromIdentifier(d->networkConfiguration));
} else {
if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired)
d->createSession(manager.defaultConfiguration());
else
d->initializeSession = false;
}
}
if (d->networkSession)
d->networkSession->setSessionProperty(QLatin1String("AutoCloseSessionTimeout"), -1);
#endif
QNetworkRequest request = req;
if (!request.header(QNetworkRequest::ContentLengthHeader).isValid() &&
outgoingData && !outgoingData->isSequential()) {
// request has no Content-Length
// but the data that is outgoing is random-access
request.setHeader(QNetworkRequest::ContentLengthHeader, outgoingData->size());
}
if (static_cast<QNetworkRequest::LoadControl>
(request.attribute(QNetworkRequest::CookieLoadControlAttribute,
QNetworkRequest::Automatic).toInt()) == QNetworkRequest::Automatic) {
if (d->cookieJar) {
QList<QNetworkCookie> cookies = d->cookieJar->cookiesForUrl(request.url());
if (!cookies.isEmpty())
request.setHeader(QNetworkRequest::CookieHeader, QVariant::fromValue(cookies));
}
}
// first step: create the reply
QUrl url = request.url();
QNetworkReplyImpl *reply = new QNetworkReplyImpl(this);
#ifndef QT_NO_BEARERMANAGEMENT
if (!isLocalFile) {
connect(this, SIGNAL(networkSessionConnected()),
reply, SLOT(_q_networkSessionConnected()));
}
#endif
QNetworkReplyImplPrivate *priv = reply->d_func();
priv->manager = this;
// second step: fetch cached credentials
// This is not done for the time being, we should use signal emissions to request
// the credentials from cache.
// third step: find a backend
priv->backend = d->findBackend(op, request);
if (priv->backend) {
priv->backend->setParent(reply);
priv->backend->reply = priv;
}
#ifndef QT_NO_OPENSSL
reply->setSslConfiguration(request.sslConfiguration());
#endif
// fourth step: setup the reply
priv->setup(op, request, outgoingData);
return reply;
}
/*!
Returns a new QNetworkReply object to handle the operation \a op
and request \a req. The device \a outgoingData is always 0 for Get and
Head requests, but is the value passed to post() and put() in
those operations (the QByteArray variants will pass a QBuffer
object).
The default implementation calls QNetworkCookieJar::cookiesForUrl()
on the cookie jar set with setCookieJar() to obtain the cookies to
be sent to the remote server.
The returned object must be in an open state.
*/
QNetworkReply *QNetworkAccessManager::createRequest(QNetworkAccessManager::Operation op,
const QNetworkRequest &req,
QIODevice *outgoingData)
{
Q_D(QNetworkAccessManager);
// fast path for GET on file:// URLs
// Also if the scheme is empty we consider it a file.
// The QNetworkAccessFileBackend will right now only be used
// for PUT or qrc://
if ((op == QNetworkAccessManager::GetOperation || op == QNetworkAccessManager::HeadOperation)
&& (req.url().scheme() == QLatin1String("file")
|| req.url().scheme().isEmpty())) {
return new QFileNetworkReply(this, req, op);
}
#ifndef QT_NO_BEARERMANAGEMENT
// Return a disabled network reply if network access is disabled.
// Except if the scheme is empty or file://.
if (!d->networkAccessible && !(req.url().scheme() == QLatin1String("file") ||
req.url().scheme().isEmpty())) {
return new QDisabledNetworkReply(this, req, op);
}
if (!d->networkSession && (d->initializeSession || !d->networkConfiguration.isEmpty())) {
QNetworkConfigurationManager manager;
if (!d->networkConfiguration.isEmpty()) {
d->createSession(manager.configurationFromIdentifier(d->networkConfiguration));
} else {
if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired)
d->createSession(manager.defaultConfiguration());
else
d->initializeSession = false;
}
}
if (d->networkSession)
d->networkSession->setSessionProperty(QLatin1String("AutoCloseSessionTimeout"), -1);
#endif
QNetworkRequest request = req;
if (!request.header(QNetworkRequest::ContentLengthHeader).isValid() &&
outgoingData && !outgoingData->isSequential()) {
// request has no Content-Length
// but the data that is outgoing is random-access
request.setHeader(QNetworkRequest::ContentLengthHeader, outgoingData->size());
}
if (d->cookieJar) {
QList<QNetworkCookie> cookies = d->cookieJar->cookiesForUrl(request.url());
if (!cookies.isEmpty())
request.setHeader(QNetworkRequest::CookieHeader, qVariantFromValue(cookies));
}
// first step: create the reply
QUrl url = request.url();
QNetworkReplyImpl *reply = new QNetworkReplyImpl(this);
#ifndef QT_NO_BEARERMANAGEMENT
if (req.url().scheme() != QLatin1String("file") && !req.url().scheme().isEmpty()) {
connect(this, SIGNAL(networkSessionConnected()),
reply, SLOT(_q_networkSessionConnected()));
}
#endif
QNetworkReplyImplPrivate *priv = reply->d_func();
priv->manager = this;
// second step: fetch cached credentials
QNetworkAuthenticationCredential *cred = d->fetchCachedCredentials(url);
if (cred) {
url.setUserName(cred->user);
url.setPassword(cred->password);
priv->urlForLastAuthentication = url;
}
// third step: find a backend
priv->backend = d->findBackend(op, request);
#ifndef QT_NO_NETWORKPROXY
QList<QNetworkProxy> proxyList = d->queryProxy(QNetworkProxyQuery(request.url()));
priv->proxyList = proxyList;
#endif
if (priv->backend) {
priv->backend->setParent(reply);
priv->backend->reply = priv;
}
// fourth step: setup the reply
priv->setup(op, request, outgoingData);
#ifndef QT_NO_OPENSSL
reply->setSslConfiguration(request.sslConfiguration());
#endif
return reply;
}