//// XMLHttpRequestClass.cpp// libraries/script-engine/src///// Created by Ryan Huffman on 5/2/14.// Copyright (c) 2014 High Fidelity, Inc. All rights reserved.//// This class is an implementation of the XMLHttpRequest object for scripting use. It provides a near-complete implementation// of the class described in the Mozilla docs: https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest//// Distributed under the Apache License, Version 2.0.// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include "XMLHttpRequestClass.h" #include <QEventLoop>#include <qurlquery.h> #include <AccountManager.h>#include <NetworkAccessManager.h>#include <NetworkingConstants.h> #include "ScriptEngine.h" const QString METAVERSE_API_URL = NetworkingConstants::METAVERSE_SERVER_URL().toString() + "/api/"; Q_DECLARE_METATYPE(QByteArray*) XMLHttpRequestClass::XMLHttpRequestClass(QScriptEngine* engine) : _engine(engine), _async(true), _url(), _method(""), _responseType(""), _request(), _reply(NULL), _sendData(NULL), _rawResponseData(), _responseData(""), _onTimeout(QScriptValue::NullValue), _onReadyStateChange(QScriptValue::NullValue), _readyState(XMLHttpRequestClass::UNSENT), _errorCode(QNetworkReply::NoError), _timeout(0), _timer(this), _numRedirects(0) { _request.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true); _timer.setSingleShot(true);} XMLHttpRequestClass::~XMLHttpRequestClass() { if (_reply) { delete _reply; } if (_sendData) { delete _sendData; }} QScriptValue XMLHttpRequestClass::constructor(QScriptContext* context, QScriptEngine* engine) { return engine->newQObject(new XMLHttpRequestClass(engine));} QScriptValue XMLHttpRequestClass::getStatus() const { if (_reply) { return QScriptValue(_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt()); } return QScriptValue(0);} QString XMLHttpRequestClass::getStatusText() const { if (_reply) { return _reply->attribute(QNetworkRequest::HttpReasonPhraseAttribute).toString(); } return "";} void XMLHttpRequestClass::abort() { abortRequest();} void XMLHttpRequestClass::setRequestHeader(const QString& name, const QString& value) { _request.setHeader(QNetworkRequest::UserAgentHeader, HIGH_FIDELITY_USER_AGENT); _request.setRawHeader(QByteArray(name.toLatin1()), QByteArray(value.toLatin1()));} void XMLHttpRequestClass::requestMetaDataChanged() { QVariant redirect = _reply->attribute(QNetworkRequest::RedirectionTargetAttribute); // If this is a redirect, abort the current request and start a new one if (redirect.isValid() && _numRedirects < MAXIMUM_REDIRECTS) { _numRedirects++; abortRequest(); QUrl newUrl = _url.resolved(redirect.toUrl().toString()); _request.setUrl(newUrl); doSend(); }} void XMLHttpRequestClass::requestDownloadProgress(qint64 bytesReceived, qint64 bytesTotal) { if (_readyState == OPENED && bytesReceived > 0) { setReadyState(HEADERS_RECEIVED); setReadyState(LOADING); }} QScriptValue XMLHttpRequestClass::getAllResponseHeaders() const { if (_reply) { QList<QNetworkReply::RawHeaderPair> headerList = _reply->rawHeaderPairs(); QByteArray headers; for (int i = 0; i < headerList.size(); i++) { headers.append(headerList[i].first); headers.append(": "); headers.append(headerList[i].second); headers.append("\n"); } return QString(headers.data()); } return QScriptValue("");} QScriptValue XMLHttpRequestClass::getResponseHeader(const QString& name) const { if (_reply && _reply->hasRawHeader(name.toLatin1())) { return QScriptValue(QString(_reply->rawHeader(name.toLatin1()))); } return QScriptValue::NullValue;} void XMLHttpRequestClass::setReadyState(ReadyState readyState) { if (readyState != _readyState) { _readyState = readyState; if (_onReadyStateChange.isFunction()) { _onReadyStateChange.call(QScriptValue::NullValue); } }} void XMLHttpRequestClass::open(const QString& method, const QString& url, bool async, const QString& username, const QString& password) { if (_readyState == UNSENT) { _method = method; _url.setUrl(url); _async = async; if (url.toLower().left(METAVERSE_API_URL.length()) == METAVERSE_API_URL) { auto accountManager = DependencyManager::get<AccountManager>(); if (accountManager->hasValidAccessToken()) { static const QString HTTP_AUTHORIZATION_HEADER = "Authorization"; QString bearerString = "Bearer " + accountManager->getAccountInfo().getAccessToken().token; _request.setRawHeader(HTTP_AUTHORIZATION_HEADER.toLocal8Bit(), bearerString.toLocal8Bit()); } } if (!username.isEmpty()) { _url.setUserName(username); } if (!password.isEmpty()) { _url.setPassword(password); } _request.setUrl(_url); setReadyState(OPENED); }} void XMLHttpRequestClass::send() { send(QScriptValue::NullValue);} void XMLHttpRequestClass::send(const QScriptValue& data) { if (_readyState == OPENED && !_reply) { if (!data.isNull()) { _sendData = new QBuffer(this); if (data.isObject()) { QByteArray ba = qscriptvalue_cast<QByteArray>(data); _sendData->setData(ba); } else { _sendData->setData(data.toString().toUtf8()); } } doSend(); if (!_async) { QEventLoop loop; connect(this, SIGNAL(requestComplete()), &loop, SLOT(quit())); loop.exec(); } }} void XMLHttpRequestClass::doSend() { _reply = NetworkAccessManager::getInstance().sendCustomRequest(_request, _method.toLatin1(), _sendData); connectToReply(_reply); if (_timeout > 0) { _timer.start(_timeout); connect(&_timer, SIGNAL(timeout()), this, SLOT(requestTimeout())); }} void XMLHttpRequestClass::requestTimeout() { if (_onTimeout.isFunction()) { _onTimeout.call(QScriptValue::NullValue); } abortRequest(); _errorCode = QNetworkReply::TimeoutError; setReadyState(DONE); emit requestComplete();} void XMLHttpRequestClass::requestError(QNetworkReply::NetworkError code) {} void XMLHttpRequestClass::requestFinished() { disconnect(&_timer, SIGNAL(timeout()), this, SLOT(requestTimeout())); _errorCode = _reply->error(); if (_errorCode == QNetworkReply::NoError) { _rawResponseData.append(_reply->readAll()); if (_responseType == "json") { _responseData = _engine->evaluate("(" + QString(_rawResponseData.data()) + ")"); if (_responseData.isError()) { _engine->clearExceptions(); _responseData = QScriptValue::NullValue; } } else if (_responseType == "arraybuffer") { QScriptValue data = _engine->newVariant(QVariant::fromValue(_rawResponseData)); _responseData = _engine->newObject(reinterpret_cast<ScriptEngine*>(_engine)->getArrayBufferClass(), data); } else { _responseData = QScriptValue(QString(_rawResponseData.data())); } } setReadyState(DONE); emit requestComplete();} void XMLHttpRequestClass::abortRequest() { // Disconnect from signals we don't want to receive any longer. disconnect(&_timer, SIGNAL(timeout()), this, SLOT(requestTimeout())); if (_reply) { disconnectFromReply(_reply); _reply->abort(); _reply->deleteLater(); _reply = NULL; }} void XMLHttpRequestClass::connectToReply(QNetworkReply* reply) { connect(reply, SIGNAL(finished()), this, SLOT(requestFinished())); connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(requestError(QNetworkReply::NetworkError))); connect(reply, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(requestDownloadProgress(qint64, qint64))); connect(reply, SIGNAL(metaDataChanged()), this, SLOT(requestMetaDataChanged()));} void XMLHttpRequestClass::disconnectFromReply(QNetworkReply* reply) { disconnect(reply, SIGNAL(finished()), this, SLOT(requestFinished())); disconnect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(requestError(QNetworkReply::NetworkError))); disconnect(reply, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(requestDownloadProgress(qint64, qint64))); disconnect(reply, SIGNAL(metaDataChanged()), this, SLOT(requestMetaDataChanged()));}
//
// XMLHttpRequestClass.cpp
// libraries/script-engine/src/
//
// Created by Ryan Huffman on 5/2/14.
// Copyright (c) 2014 High Fidelity, Inc. All rights reserved.
//
// This class is an implementation of the XMLHttpRequest object for scripting use. It provides a near-complete implementation
// of the class described in the Mozilla docs: https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include "XMLHttpRequestClass.h"
#include <QEventLoop>
#include <qurlquery.h>
#include <AccountManager.h>
#include <NetworkAccessManager.h>
#include <NetworkingConstants.h>
#include "ScriptEngine.h"
const QString METAVERSE_API_URL = NetworkingConstants::METAVERSE_SERVER_URL().toString() + "/api/";
Q_DECLARE_METATYPE(QByteArray*)
XMLHttpRequestClass::XMLHttpRequestClass(QScriptEngine* engine) :
_engine(engine),
_async(true),
_url(),
_method(""),
_responseType(""),
_request(),
_reply(NULL),
_sendData(NULL),
_rawResponseData(),
_responseData(""),
_onTimeout(QScriptValue::NullValue),
_onReadyStateChange(QScriptValue::NullValue),
_readyState(XMLHttpRequestClass::UNSENT),
_errorCode(QNetworkReply::NoError),
_timeout(0),
_timer(this),
_numRedirects(0) {
_request.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true);
_timer.setSingleShot(true);
}
XMLHttpRequestClass::~XMLHttpRequestClass() {
if (_reply) { delete _reply; }
if (_sendData) { delete _sendData; }
}
QScriptValue XMLHttpRequestClass::constructor(QScriptContext* context, QScriptEngine* engine) {
return engine->newQObject(new XMLHttpRequestClass(engine));
}
QScriptValue XMLHttpRequestClass::getStatus() const {
if (_reply) {
return QScriptValue(_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt());
}
return QScriptValue(0);
}
QString XMLHttpRequestClass::getStatusText() const {
if (_reply) {
return _reply->attribute(QNetworkRequest::HttpReasonPhraseAttribute).toString();
}
return "";
}
void XMLHttpRequestClass::abort() {
abortRequest();
}
void XMLHttpRequestClass::setRequestHeader(const QString& name, const QString& value) {
_request.setHeader(QNetworkRequest::UserAgentHeader, HIGH_FIDELITY_USER_AGENT);
_request.setRawHeader(QByteArray(name.toLatin1()), QByteArray(value.toLatin1()));
}
void XMLHttpRequestClass::requestMetaDataChanged() {
QVariant redirect = _reply->attribute(QNetworkRequest::RedirectionTargetAttribute);
// If this is a redirect, abort the current request and start a new one
if (redirect.isValid() && _numRedirects < MAXIMUM_REDIRECTS) {
_numRedirects++;
abortRequest();
QUrl newUrl = _url.resolved(redirect.toUrl().toString());
_request.setUrl(newUrl);
doSend();
}
}
void XMLHttpRequestClass::requestDownloadProgress(qint64 bytesReceived, qint64 bytesTotal) {
if (_readyState == OPENED && bytesReceived > 0) {
setReadyState(HEADERS_RECEIVED);
setReadyState(LOADING);
}
}
QScriptValue XMLHttpRequestClass::getAllResponseHeaders() const {
if (_reply) {
QList<QNetworkReply::RawHeaderPair> headerList = _reply->rawHeaderPairs();
QByteArray headers;
for (int i = 0; i < headerList.size(); i++) {
headers.append(headerList[i].first);
headers.append(": ");
headers.append(headerList[i].second);
headers.append("\n");
}
return QString(headers.data());
}
return QScriptValue("");
}
QScriptValue XMLHttpRequestClass::getResponseHeader(const QString& name) const {
if (_reply && _reply->hasRawHeader(name.toLatin1())) {
return QScriptValue(QString(_reply->rawHeader(name.toLatin1())));
}
return QScriptValue::NullValue;
}
void XMLHttpRequestClass::setReadyState(ReadyState readyState) {
if (readyState != _readyState) {
_readyState = readyState;
if (_onReadyStateChange.isFunction()) {
_onReadyStateChange.call(QScriptValue::NullValue);
}
}
}
void XMLHttpRequestClass::open(const QString& method, const QString& url, bool async, const QString& username,
const QString& password) {
if (_readyState == UNSENT) {
_method = method;
_url.setUrl(url);
_async = async;
if (url.toLower().left(METAVERSE_API_URL.length()) == METAVERSE_API_URL) {
auto accountManager = DependencyManager::get<AccountManager>();
if (accountManager->hasValidAccessToken()) {
static const QString HTTP_AUTHORIZATION_HEADER = "Authorization";
QString bearerString = "Bearer " + accountManager->getAccountInfo().getAccessToken().token;
_request.setRawHeader(HTTP_AUTHORIZATION_HEADER.toLocal8Bit(), bearerString.toLocal8Bit());
}
}
if (!username.isEmpty()) {
_url.setUserName(username);
}
if (!password.isEmpty()) {
_url.setPassword(password);
}
_request.setUrl(_url);
setReadyState(OPENED);
}
}
void XMLHttpRequestClass::send() {
send(QScriptValue::NullValue);
}
void XMLHttpRequestClass::send(const QScriptValue& data) {
if (_readyState == OPENED && !_reply) {
if (!data.isNull()) {
_sendData = new QBuffer(this);
if (data.isObject()) {
QByteArray ba = qscriptvalue_cast<QByteArray>(data);
_sendData->setData(ba);
} else {
_sendData->setData(data.toString().toUtf8());
}
}
doSend();
if (!_async) {
QEventLoop loop;
connect(this, SIGNAL(requestComplete()), &loop, SLOT(quit()));
loop.exec();
}
}
}
void XMLHttpRequestClass::doSend() {
_reply = NetworkAccessManager::getInstance().sendCustomRequest(_request, _method.toLatin1(), _sendData);
connectToReply(_reply);
if (_timeout > 0) {
_timer.start(_timeout);
connect(&_timer, SIGNAL(timeout()), this, SLOT(requestTimeout()));
}
}
void XMLHttpRequestClass::requestTimeout() {
if (_onTimeout.isFunction()) {
_onTimeout.call(QScriptValue::NullValue);
}
abortRequest();
_errorCode = QNetworkReply::TimeoutError;
setReadyState(DONE);
emit requestComplete();
}
void XMLHttpRequestClass::requestError(QNetworkReply::NetworkError code) {
}
void XMLHttpRequestClass::requestFinished() {
disconnect(&_timer, SIGNAL(timeout()), this, SLOT(requestTimeout()));
_errorCode = _reply->error();
if (_errorCode == QNetworkReply::NoError) {
_rawResponseData.append(_reply->readAll());
if (_responseType == "json") {
_responseData = _engine->evaluate("(" + QString(_rawResponseData.data()) + ")");
if (_responseData.isError()) {
_engine->clearExceptions();
_responseData = QScriptValue::NullValue;
}
} else if (_responseType == "arraybuffer") {
QScriptValue data = _engine->newVariant(QVariant::fromValue(_rawResponseData));
_responseData = _engine->newObject(reinterpret_cast<ScriptEngine*>(_engine)->getArrayBufferClass(), data);
} else {
_responseData = QScriptValue(QString(_rawResponseData.data()));
}
}
setReadyState(DONE);
emit requestComplete();
}
void XMLHttpRequestClass::abortRequest() {
// Disconnect from signals we don't want to receive any longer.
disconnect(&_timer, SIGNAL(timeout()), this, SLOT(requestTimeout()));
if (_reply) {
disconnectFromReply(_reply);
_reply->abort();
_reply->deleteLater();
_reply = NULL;
}
}
void XMLHttpRequestClass::connectToReply(QNetworkReply* reply) {
connect(reply, SIGNAL(finished()), this, SLOT(requestFinished()));
connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(requestError(QNetworkReply::NetworkError)));
connect(reply, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(requestDownloadProgress(qint64, qint64)));
connect(reply, SIGNAL(metaDataChanged()), this, SLOT(requestMetaDataChanged()));
}
void XMLHttpRequestClass::disconnectFromReply(QNetworkReply* reply) {
disconnect(reply, SIGNAL(finished()), this, SLOT(requestFinished()));
disconnect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(requestError(QNetworkReply::NetworkError)));
disconnect(reply, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(requestDownloadProgress(qint64, qint64)));
disconnect(reply, SIGNAL(metaDataChanged()), this, SLOT(requestMetaDataChanged()));
}