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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 6 End-User License
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
End User License Agreement: www.juce.com/juce-6-licence
Privacy Policy: www.juce.com/juce-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
#pragma once
#include "jucer_LicenseState.h"
#include "jucer_LicenseQueryThread.h"
//==============================================================================
class LicenseController : private Timer
{
public:
LicenseController()
{
checkLicense();
}
//==============================================================================
static LicenseState getGPLState()
{
return { LicenseState::Type::gpl, projucerMajorVersion, {}, {} };
}
LicenseState getCurrentState() const noexcept
{
return state;
}
void setState (const LicenseState& newState)
{
if (state != newState)
{
state = newState;
licenseStateToSettings (state, getGlobalProperties());
stateListeners.call ([] (LicenseStateListener& l) { l.licenseStateChanged(); });
}
}
void resetState()
{
setState ({});
}
void signIn (const String& email, const String& password,
std::function<void (const String&)> completionCallback)
{
licenseQueryThread.doSignIn (email, password,
[this, completionCallback] (LicenseQueryThread::ErrorMessageAndType error,
LicenseState newState)
{
completionCallback (error.first);
setState (newState);
});
}
void cancelSignIn()
{
licenseQueryThread.cancelRunningJobs();
}
//==============================================================================
struct LicenseStateListener
{
virtual ~LicenseStateListener() = default;
virtual void licenseStateChanged() = 0;
};
void addListener (LicenseStateListener* listenerToAdd)
{
stateListeners.add (listenerToAdd);
}
void removeListener (LicenseStateListener* listenerToRemove)
{
stateListeners.remove (listenerToRemove);
}
private:
//==============================================================================
static const char* getLicenseStateValue (LicenseState::Type type)
{
switch (type)
{
case LicenseState::Type::gpl: return "GPL";
case LicenseState::Type::personal: return "personal";
case LicenseState::Type::educational: return "edu";
case LicenseState::Type::indie: return "indie";
case LicenseState::Type::pro: return "pro";
case LicenseState::Type::none:
default: break;
}
return nullptr;
}
static LicenseState::Type getLicenseTypeFromValue (const String& d)
{
if (d == getLicenseStateValue (LicenseState::Type::gpl)) return LicenseState::Type::gpl;
if (d == getLicenseStateValue (LicenseState::Type::personal)) return LicenseState::Type::personal;
if (d == getLicenseStateValue (LicenseState::Type::educational)) return LicenseState::Type::educational;
if (d == getLicenseStateValue (LicenseState::Type::indie)) return LicenseState::Type::indie;
if (d == getLicenseStateValue (LicenseState::Type::pro)) return LicenseState::Type::pro;
return LicenseState::Type::none;
}
static LicenseState licenseStateFromSettings (PropertiesFile& props)
{
if (auto licenseXml = props.getXmlValue ("license"))
{
// this is here for backwards compatibility with old-style settings files using XML text elements
if (licenseXml->getChildElementAllSubText ("type", {}).isNotEmpty())
{
auto stateFromOldSettings = [&licenseXml]() -> LicenseState
{
return { getLicenseTypeFromValue (licenseXml->getChildElementAllSubText ("type", {})),
licenseXml->getChildElementAllSubText ("version", "-1").getIntValue(),
licenseXml->getChildElementAllSubText ("username", {}),
licenseXml->getChildElementAllSubText ("authToken", {}) };
}();
licenseStateToSettings (stateFromOldSettings, props);
return stateFromOldSettings;
}
return { getLicenseTypeFromValue (licenseXml->getStringAttribute ("type", {})),
licenseXml->getIntAttribute ("version", -1),
licenseXml->getStringAttribute ("username", {}),
licenseXml->getStringAttribute ("authToken", {}) };
}
return {};
}
static void licenseStateToSettings (const LicenseState& state, PropertiesFile& props)
{
props.removeValue ("license");
if (state.isSignedIn())
{
XmlElement licenseXml ("license");
if (auto* typeString = getLicenseStateValue (state.type))
licenseXml.setAttribute ("type", typeString);
licenseXml.setAttribute ("version", state.version);
licenseXml.setAttribute ("username", state.username);
licenseXml.setAttribute ("authToken", state.authToken);
props.setValue ("license", &licenseXml);
}
props.saveIfNeeded();
}
//==============================================================================
void checkLicense()
{
if (state.authToken.isNotEmpty() && ! state.isGPL())
{
auto completionCallback = [this] (LicenseQueryThread::ErrorMessageAndType error,
LicenseState updatedState)
{
if (error == LicenseQueryThread::ErrorMessageAndType())
{
setState (updatedState);
}
else if ((error.second == LicenseQueryThread::ErrorType::busy
|| error.second == LicenseQueryThread::ErrorType::cancelled
|| error.second == LicenseQueryThread::ErrorType::connectionError)
&& ! hasRetriedLicenseCheck)
{
hasRetriedLicenseCheck = true;
startTimer (10000);
}
};
licenseQueryThread.checkLicenseValidity (state, std::move (completionCallback));
}
}
void timerCallback() override
{
stopTimer();
checkLicense();
}
//==============================================================================
#if JUCER_ENABLE_GPL_MODE
LicenseState state = getGPLState();
#else
LicenseState state = licenseStateFromSettings (getGlobalProperties());
#endif
ListenerList<LicenseStateListener> stateListeners;
LicenseQueryThread licenseQueryThread;
bool hasRetriedLicenseCheck = false;
//==============================================================================
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (LicenseController)
};
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