/*
function form(uri: String = null, formData: Object = null): Http
Issue a POST method with form data
*/
static EjsHttp *http_form(Ejs *ejs, EjsHttp *hp, int argc, EjsObj **argv)
{
EjsObj *data;
if (argc == 2 && !ejsIs(ejs, argv[1], Null)) {
/*
Prep here to reset the state. The ensures the current headers will be preserved.
Users may have called setHeader to define custom headers. Users must call reset if they want to clear
prior headers.
*/
httpPrepClientConn(hp->conn, 1);
mprFlushBuf(hp->requestContent);
data = argv[1];
if (ejsGetLength(ejs, data) > 0) {
prepForm(ejs, hp, NULL, data);
} else {
mprPutStringToBuf(hp->requestContent, ejsToMulti(ejs, data));
}
mprAddNullToBuf(hp->requestContent);
httpSetHeader(hp->conn, "Content-Type", "application/x-www-form-urlencoded");
/* Ensure this gets recomputed */
httpRemoveHeader(hp->conn, "Content-Length");
}
return startHttpRequest(ejs, hp, "POST", argc, argv);
}
/*
function get(uri: String = null, ...data): Http
The spec allows GET methods to have body data, but is rarely, if ever, used.
*/
static EjsHttp *http_get(Ejs *ejs, EjsHttp *hp, int argc, EjsObj **argv)
{
startHttpRequest(ejs, hp, "GET", argc, argv);
if (!ejs->exception && hp->conn) {
httpFinalize(hp->conn);
}
return hp;
}
/*
function put(uri: String = null, form object): Http
*/
static EjsHttp *http_put(Ejs *ejs, EjsHttp *hp, int argc, EjsObj **argv)
{
return startHttpRequest(ejs, hp, "PUT", argc, argv);
}
/*
function head(uri: String = null): Http
*/
static EjsHttp *http_head(Ejs *ejs, EjsHttp *hp, int argc, EjsObj **argv)
{
return startHttpRequest(ejs, hp, "HEAD", argc, argv);
}
/*
function connect(method: String, url = null, data ...): Http
*/
static EjsHttp *http_connect(Ejs *ejs, EjsHttp *hp, int argc, EjsObj **argv)
{
hp->method = ejsToMulti(ejs, argv[0]);
return startHttpRequest(ejs, hp, NULL, argc - 1, &argv[1]);
}
void QNetworkAccessHttpBackend::postRequest()
{
QThread *thread = 0;
if (isSynchronous()) {
// A synchronous HTTP request uses its own thread
thread = new QThread();
QObject::connect(thread, SIGNAL(finished()), thread, SLOT(deleteLater()));
thread->start();
} else if (!manager->httpThread) {
// We use the manager-global thread.
// At some point we could switch to having multiple threads if it makes sense.
manager->httpThread = new QThread();
QObject::connect(manager->httpThread, SIGNAL(finished()), manager->httpThread, SLOT(deleteLater()));
manager->httpThread->start();
#ifndef QT_NO_NETWORKPROXY
qRegisterMetaType<QNetworkProxy>("QNetworkProxy");
#endif
#ifndef QT_NO_OPENSSL
qRegisterMetaType<QList<QSslError> >("QList<QSslError>");
qRegisterMetaType<QSslConfiguration>("QSslConfiguration");
#endif
qRegisterMetaType<QList<QPair<QByteArray,QByteArray> > >("QList<QPair<QByteArray,QByteArray> >");
qRegisterMetaType<QHttpNetworkRequest>("QHttpNetworkRequest");
qRegisterMetaType<QNetworkReply::NetworkError>("QNetworkReply::NetworkError");
qRegisterMetaType<QSharedPointer<char> >("QSharedPointer<char>");
thread = manager->httpThread;
} else {
// Asynchronous request, thread already exists
thread = manager->httpThread;
}
QUrl url = request().url();
httpRequest.setUrl(url);
bool ssl = url.scheme().toLower() == QLatin1String("https");
setAttribute(QNetworkRequest::ConnectionEncryptedAttribute, ssl);
httpRequest.setSsl(ssl);
#ifndef QT_NO_NETWORKPROXY
QNetworkProxy transparentProxy, cacheProxy;
foreach (const QNetworkProxy &p, proxyList()) {
// use the first proxy that works
// for non-encrypted connections, any transparent or HTTP proxy
// for encrypted, only transparent proxies
if (!ssl
&& (p.capabilities() & QNetworkProxy::CachingCapability)
&& (p.type() == QNetworkProxy::HttpProxy ||
p.type() == QNetworkProxy::HttpCachingProxy)) {
cacheProxy = p;
transparentProxy = QNetworkProxy::NoProxy;
break;
}
if (p.isTransparentProxy()) {
transparentProxy = p;
cacheProxy = QNetworkProxy::NoProxy;
break;
}
}
// check if at least one of the proxies
if (transparentProxy.type() == QNetworkProxy::DefaultProxy &&
cacheProxy.type() == QNetworkProxy::DefaultProxy) {
// unsuitable proxies
QMetaObject::invokeMethod(this, "error", isSynchronous() ? Qt::DirectConnection : Qt::QueuedConnection,
Q_ARG(QNetworkReply::NetworkError, QNetworkReply::ProxyNotFoundError),
Q_ARG(QString, tr("No suitable proxy found")));
QMetaObject::invokeMethod(this, "finished", isSynchronous() ? Qt::DirectConnection : Qt::QueuedConnection);
return;
}
#endif
bool loadedFromCache = false;
httpRequest.setPriority(convert(request().priority()));
switch (operation()) {
case QNetworkAccessManager::GetOperation:
httpRequest.setOperation(QHttpNetworkRequest::Get);
loadedFromCache = loadFromCacheIfAllowed(httpRequest);
break;
case QNetworkAccessManager::HeadOperation:
httpRequest.setOperation(QHttpNetworkRequest::Head);
loadedFromCache = loadFromCacheIfAllowed(httpRequest);
break;
case QNetworkAccessManager::PostOperation:
invalidateCache();
httpRequest.setOperation(QHttpNetworkRequest::Post);
createUploadByteDevice();
break;
case QNetworkAccessManager::PutOperation:
invalidateCache();
httpRequest.setOperation(QHttpNetworkRequest::Put);
createUploadByteDevice();
break;
case QNetworkAccessManager::DeleteOperation:
invalidateCache();
httpRequest.setOperation(QHttpNetworkRequest::Delete);
break;
case QNetworkAccessManager::CustomOperation:
invalidateCache(); // for safety reasons, we don't know what the operation does
httpRequest.setOperation(QHttpNetworkRequest::Custom);
createUploadByteDevice();
httpRequest.setCustomVerb(request().attribute(
QNetworkRequest::CustomVerbAttribute).toByteArray());
break;
default:
break; // can't happen
}
if (loadedFromCache) {
// commented this out since it will be called later anyway
// by copyFinished()
//QNetworkAccessBackend::finished();
return; // no need to send the request! :)
}
QList<QByteArray> headers = request().rawHeaderList();
if (resumeOffset != 0) {
if (headers.contains("Range")) {
// Need to adjust resume offset for user specified range
headers.removeOne("Range");
// We've already verified that requestRange starts with "bytes=", see canResume.
QByteArray requestRange = request().rawHeader("Range").mid(6);
int index = requestRange.indexOf('-');
quint64 requestStartOffset = requestRange.left(index).toULongLong();
quint64 requestEndOffset = requestRange.mid(index + 1).toULongLong();
requestRange = "bytes=" + QByteArray::number(resumeOffset + requestStartOffset) +
'-' + QByteArray::number(requestEndOffset);
httpRequest.setHeaderField("Range", requestRange);
} else {
httpRequest.setHeaderField("Range", "bytes=" + QByteArray::number(resumeOffset) + '-');
}
}
foreach (const QByteArray &header, headers)
httpRequest.setHeaderField(header, request().rawHeader(header));
if (request().attribute(QNetworkRequest::HttpPipeliningAllowedAttribute).toBool() == true)
httpRequest.setPipeliningAllowed(true);
if (static_cast<QNetworkRequest::LoadControl>
(request().attribute(QNetworkRequest::AuthenticationReuseAttribute,
QNetworkRequest::Automatic).toInt()) == QNetworkRequest::Manual)
httpRequest.setWithCredentials(false);
// Create the HTTP thread delegate
QHttpThreadDelegate *delegate = new QHttpThreadDelegate;
#ifndef QT_NO_BEARERMANAGEMENT
QVariant v(property("_q_networksession"));
if (v.isValid())
delegate->networkSession = qvariant_cast<QSharedPointer<QNetworkSession> >(v);
#endif
// For the synchronous HTTP, this is the normal way the delegate gets deleted
// For the asynchronous HTTP this is a safety measure, the delegate deletes itself when HTTP is finished
connect(thread, SIGNAL(finished()), delegate, SLOT(deleteLater()));
// Set the properties it needs
delegate->httpRequest = httpRequest;
#ifndef QT_NO_NETWORKPROXY
delegate->cacheProxy = cacheProxy;
delegate->transparentProxy = transparentProxy;
#endif
delegate->ssl = ssl;
#ifndef QT_NO_OPENSSL
if (ssl)
delegate->incomingSslConfiguration = request().sslConfiguration();
#endif
// Do we use synchronous HTTP?
delegate->synchronous = isSynchronous();
// The authentication manager is used to avoid the BlockingQueuedConnection communication
// from HTTP thread to user thread in some cases.
delegate->authenticationManager = manager->authenticationManager;
if (!isSynchronous()) {
// Tell our zerocopy policy to the delegate
delegate->downloadBufferMaximumSize =
request().attribute(QNetworkRequest::MaximumDownloadBufferSizeAttribute).toLongLong();
// These atomic integers are used for signal compression
delegate->pendingDownloadData = pendingDownloadDataEmissions;
delegate->pendingDownloadProgress = pendingDownloadProgressEmissions;
// Connect the signals of the delegate to us
connect(delegate, SIGNAL(downloadData(QByteArray)),
this, SLOT(replyDownloadData(QByteArray)),
Qt::QueuedConnection);
connect(delegate, SIGNAL(downloadFinished()),
this, SLOT(replyFinished()),
Qt::QueuedConnection);
connect(delegate, SIGNAL(downloadMetaData(QList<QPair<QByteArray,QByteArray> >,int,QString,bool,QSharedPointer<char>,qint64)),
this, SLOT(replyDownloadMetaData(QList<QPair<QByteArray,QByteArray> >,int,QString,bool,QSharedPointer<char>,qint64)),
Qt::QueuedConnection);
connect(delegate, SIGNAL(downloadProgress(qint64,qint64)),
this, SLOT(replyDownloadProgressSlot(qint64,qint64)),
Qt::QueuedConnection);
connect(delegate, SIGNAL(error(QNetworkReply::NetworkError,QString)),
this, SLOT(httpError(QNetworkReply::NetworkError, const QString)),
Qt::QueuedConnection);
#ifndef QT_NO_OPENSSL
connect(delegate, SIGNAL(sslConfigurationChanged(QSslConfiguration)),
this, SLOT(replySslConfigurationChanged(QSslConfiguration)),
Qt::QueuedConnection);
#endif
// Those need to report back, therefire BlockingQueuedConnection
connect(delegate, SIGNAL(authenticationRequired(QHttpNetworkRequest,QAuthenticator*)),
this, SLOT(httpAuthenticationRequired(QHttpNetworkRequest,QAuthenticator*)),
Qt::BlockingQueuedConnection);
#ifndef QT_NO_NETWORKPROXY
connect (delegate, SIGNAL(proxyAuthenticationRequired(QNetworkProxy,QAuthenticator*)),
this, SLOT(proxyAuthenticationRequired(QNetworkProxy,QAuthenticator*)),
Qt::BlockingQueuedConnection);
#endif
#ifndef QT_NO_OPENSSL
connect(delegate, SIGNAL(sslErrors(QList<QSslError>,bool*,QList<QSslError>*)),
this, SLOT(replySslErrors(const QList<QSslError> &, bool *, QList<QSslError> *)),
Qt::BlockingQueuedConnection);
#endif
// This signal we will use to start the request.
connect(this, SIGNAL(startHttpRequest()), delegate, SLOT(startRequest()));
connect(this, SIGNAL(abortHttpRequest()), delegate, SLOT(abortRequest()));
// To throttle the connection.
QObject::connect(this, SIGNAL(readBufferSizeChanged(qint64)), delegate, SLOT(readBufferSizeChanged(qint64)));
QObject::connect(this, SIGNAL(readBufferFreed(qint64)), delegate, SLOT(readBufferFreed(qint64)));
if (uploadByteDevice) {
QNonContiguousByteDeviceThreadForwardImpl *forwardUploadDevice =
new QNonContiguousByteDeviceThreadForwardImpl(uploadByteDevice->atEnd(), uploadByteDevice->size());
if (uploadByteDevice->isResetDisabled())
forwardUploadDevice->disableReset();
forwardUploadDevice->setParent(delegate); // needed to make sure it is moved on moveToThread()
delegate->httpRequest.setUploadByteDevice(forwardUploadDevice);
// From main thread to user thread:
QObject::connect(this, SIGNAL(haveUploadData(QByteArray, bool, qint64)),
forwardUploadDevice, SLOT(haveDataSlot(QByteArray, bool, qint64)), Qt::QueuedConnection);
QObject::connect(uploadByteDevice.data(), SIGNAL(readyRead()),
forwardUploadDevice, SIGNAL(readyRead()),
Qt::QueuedConnection);
// From http thread to user thread:
QObject::connect(forwardUploadDevice, SIGNAL(wantData(qint64)),
this, SLOT(wantUploadDataSlot(qint64)));
QObject::connect(forwardUploadDevice, SIGNAL(processedData(qint64)),
this, SLOT(sentUploadDataSlot(qint64)));
connect(forwardUploadDevice, SIGNAL(resetData(bool*)),
this, SLOT(resetUploadDataSlot(bool*)),
Qt::BlockingQueuedConnection); // this is the only one with BlockingQueued!
}
} else if (isSynchronous()) {
