dsl_licensing/KeyFileUtils.h at master · esp1/dsl_licensing · GitHub

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/*
  ==============================================================================

    KeyFileUtils.h
    Created: 23 Sep 2019 6:51:55pm
    Author:  Edwin Park

  ==============================================================================
*/

#pragma once

#include <juce_core/juce_core.h>
#include <juce_cryptography/juce_cryptography.h>

using juce::RSAKey;
using juce::String;
using juce::StringArray;
using juce::StringRef;
using juce::Time;
using juce::XmlElement;

struct KeyFileUtils {

public:
  struct KeyFileData {
    String user_name, user_email;
    String product_id, product_version_range;
    StringArray machine_ids;

    bool keyFileExpires;
    Time expiryTime;
  };

  static KeyFileData getDataFromKeyFile(XmlElement xml);
  static XmlElement getXmlFromKeyFile(String keyFileText, RSAKey rsaPublicKey);

private:
  // Get individual XML data elements
  // ==============================================================================

  static StringArray getMachineIDs(XmlElement xml, StringRef attributeName) {
    StringArray numbers;
    numbers.addTokens(xml.getStringAttribute(attributeName), ",; ",
                      StringRef());
    numbers.trim();
    numbers.removeEmptyStrings();
    return numbers;
  }

  // crypto
  // =======================================================================================

  static String encryptXML(const XmlElement &xml, RSAKey privateKey);
  static XmlElement decryptXML(String hexData, RSAKey rsaPublicKey);
};