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			78 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
		
		
			
		
	
	
			78 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
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								///////////////////////////////////////////////////////////////////////////////////
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								// Copyright (C) 2024 Jon Beniston, M7RCE <jon@beniston.com>                     //
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								//                                                                               //
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								// This program is free software; you can redistribute it and/or modify          //
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								// it under the terms of the GNU General Public License as published by          //
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								// the Free Software Foundation as version 3 of the License, or                  //
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								// (at your option) any later version.                                           //
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								//                                                                               //
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								// This program is distributed in the hope that it will be useful,               //
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								// but WITHOUT ANY WARRANTY; without even the implied warranty of                //
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								// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
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								// GNU General Public License V3 for more details.                               //
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								//                                                                               //
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								// You should have received a copy of the GNU General Public License             //
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								// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
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								///////////////////////////////////////////////////////////////////////////////////
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								#include "corsproxy.h"
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								#include <QDebug>
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								#ifdef __EMSCRIPTEN__
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								#include <emscripten/val.h>
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								#endif
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								QString CORSProxy::adjustHost(const QString& url)
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								{
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								#ifdef __EMSCRIPTEN__
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								    return CORSProxy::adjustHost(QUrl(url)).toString();
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								#else
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								    return url;
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								#endif
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								}
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								// Some servers don't support CORS, so we assume proxy running on same server SDRangel is on
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								// Look at using https://corsproxy.io/ as alternative - although text only
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								// E.g: https://corsproxy.io/?https://db.satnogs.org/api/satellites/
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								QUrl CORSProxy::adjustHost(const QUrl& url)
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								{
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								#ifdef __EMSCRIPTEN__
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								    QUrl requestURL(url);
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								    emscripten::val location = emscripten::val::global("location");
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								    QString proxyHost = QString::fromStdString(location["hostname"].as<std::string>());
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								    // sdrangel.org doesn't currently support proxying
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								    if (proxyHost == "www.sdrangel.org") {
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								        proxyHost = "sdrangel.beniston.com";
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								    }
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								    QString host = requestURL.host();
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								    static const QStringList hosts = {
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								        "db.satnogs.org",
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								        "sdo.gsfc.nasa.gov",
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								        "www.amsat.org",
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								        "datacenter.stix.i4ds.net",
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								        "user-web.icecube.wisc.edu",
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								        "www.sws.bom.gov.au",
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								        "www.spaceweather.gc.ca",
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								        "airspy.com",
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								        "kiwisdr.com",
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								        "opensky-network.org",
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								        "storage.googleapis.com"
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								    };
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								    if (hosts.contains(host))
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								    {
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								        requestURL.setHost(proxyHost);
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								        QString newPath = "/" + host + requestURL.path();
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								        requestURL.setPath(newPath);
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								    }
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								    return requestURL;
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								#else
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								    return url;
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								#endif
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								}
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