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network: provide common HTTP GET functionality with js callbacks

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This commit is contained in:
xiphon
2020-03-31 16:29:28 +00:00
parent d07da76383
commit 58987b2ec6
6 changed files with 86 additions and 109 deletions
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6
src/main/main.cpp
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@@ -62,11 +62,11 @@
#include "Logger.h"
#include "MainApp.h"
#include "qt/ipc.h"
#include "qt/network.h"
#include "qt/utils.h"
#include "qt/TailsOS.h"
#include "qt/KeysFiles.h"
#include "qt/MoneroSettings.h"
#include "qt/prices.h"
// IOS exclusions
#ifndef Q_OS_IOS
@@ -436,8 +436,8 @@ int main(int argc, char *argv[])
#endif
engine.rootContext()->setContextProperty("builtWithScanner", builtWithScanner);
Prices prices;
engine.rootContext()->setContextProperty("Prices", &prices);
Network network;
engine.rootContext()->setContextProperty("Network", &network);
// Load main window (context properties needs to be defined obove this line)
engine.load(QUrl(QStringLiteral("qrc:///main.qml")));

96
src/qt/prices.cpp → src/qt/network.cpp
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@@ -1,21 +1,21 @@
// Copyright (c) 2014-2019, The Monero Project
//
//
// All rights reserved.
//
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
@@ -26,6 +26,8 @@
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "network.h"
#include <QDebug>
#include <QtCore>
@@ -37,74 +39,54 @@
#pragma GCC diagnostic pop
#include "utils.h"
#include "prices.h"
Prices::Prices(QObject *parent)
Network::Network(QObject *parent)
: QObject(parent)
, m_scheduler(this)
{
}
void Prices::getJSON(const QString url) const
void Network::get(const QString &url, const QJSValue &callback, const QString &contentType) const
{
qDebug() << QString("Fetching: %1").arg(url);
m_scheduler.run([this, url] {
epee::net_utils::http::http_simple_client http_client;
m_scheduler.run(
[url, contentType] {
epee::net_utils::http::http_simple_client httpClient;
const QUrl urlParsed(url);
http_client.set_server(urlParsed.host().toStdString(), urlParsed.scheme() == "https" ? "443" : "80", {});
const QUrl urlParsed(url);
httpClient.set_server(urlParsed.host().toStdString(), urlParsed.scheme() == "https" ? "443" : "80", {});
const QString uri = (urlParsed.hasQuery() ? urlParsed.path() + "?" + urlParsed.query() : urlParsed.path());
const epee::net_utils::http::http_response_info* pri = NULL;
constexpr std::chrono::milliseconds timeout = std::chrono::seconds(15);
const QString uri = (urlParsed.hasQuery() ? urlParsed.path() + "?" + urlParsed.query() : urlParsed.path());
const epee::net_utils::http::http_response_info *pri = NULL;
constexpr std::chrono::milliseconds timeout = std::chrono::seconds(15);
const bool result = http_client.invoke(
uri.toStdString(),
"GET",
{},
timeout,
std::addressof(pri),
epee::net_utils::http::fields_list headers({{"User-Agent", randomUserAgent().toStdString()}});
if (!contentType.isEmpty())
{
{"Content-Type", "application/json; charset=utf-8"},
{"User-Agent", randomUserAgent().toStdString()}
});
if (!result)
{
this->gotError("unknown error");
}
else if (!pri)
{
this->gotError("internal error (null response ptr)");
}
else if (pri->m_response_code != 200)
{
this->gotError(QString("response code: %1").arg(pri->m_response_code));
}
else
{
QJsonDocument doc = QJsonDocument::fromJson({&pri->m_body[0], static_cast<int>(pri->m_body.size())});
if (doc.isEmpty())
{
this->gotError("bad JSON");
headers.push_back({"Content-Type", contentType.toStdString()});
}
else
{
// Insert source url for later reference
QJsonObject docobj = doc.object();
docobj["_url"] = url;
doc.setObject(docobj);
const bool result = httpClient.invoke(uri.toStdString(), "GET", {}, timeout, std::addressof(pri), headers);
QVariantMap vMap = doc.object().toVariantMap();
emit priceJsonReceived(vMap);
if (!result)
{
return QJSValueList({QJSValue(), QJSValue(), "unknown error"});
}
}
});
if (!pri)
{
return QJSValueList({QJSValue(), QJSValue(), "internal error (null response ptr)"});
}
if (pri->m_response_code != 200)
{
return QJSValueList({QJSValue(), QJSValue(), QString("response code: %1").arg(pri->m_response_code)});
}
return QJSValueList({url, QString::fromStdString(pri->m_body)});
},
callback);
}
void Prices::gotError(const QString &message) const
void Network::getJSON(const QString &url, const QJSValue &callback) const
{
qCritical() << "[Fiat API] Error:" << message;
emit priceJsonError(message);
get(url, callback, "application/json; charset=utf-8");
}

20
src/qt/network.h Normal file
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@@ -0,0 +1,20 @@
#pragma once
#include <QCoreApplication>
#include <QtNetwork>
#include "FutureScheduler.h"
class Network : public QObject
{
Q_OBJECT
public:
Network(QObject *parent = nullptr);
public:
Q_INVOKABLE void get(const QString &url, const QJSValue &callback, const QString &contentType = {}) const;
Q_INVOKABLE void getJSON(const QString &url, const QJSValue &callback) const;
private:
mutable FutureScheduler m_scheduler;
};

29
src/qt/prices.h
View File

@@ -1,29 +0,0 @@
#ifndef PRICES_H
#define PRICES_H
#include <QCoreApplication>
#include <QtNetwork>
#include "FutureScheduler.h"
class Prices : public QObject
{
Q_OBJECT
public:
Prices(QObject *parent = nullptr);
public:
Q_INVOKABLE void getJSON(const QString url) const;
private:
void gotError(const QString &message) const;
signals:
void priceJsonReceived(QVariantMap document) const;
void priceJsonError(QString message) const;
private:
mutable FutureScheduler m_scheduler;
};
#endif // PRICES_H