Issues #14 and #6

Gabriele Contini

2020-02-24 9afdac17dcc8956fd795797bfc5b6e1c09285342

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/*
 * ExplicitDefinition.cpp
 *
 *  Created on: Oct 12, 2019
 *      Author: Gabriele Contini
 */
 
#include <stdlib.h>
#include <cstring>
#include <string>
#include <vector>
#include <stdexcept>
#include <licensecc/datatypes.h>
 
#include "../base/base64.h"
#include "../base/EventRegistry.h"
#include "../base/StringUtils.h"
 
#include "ExternalDefinition.hpp"
#include "../base/file_utils.hpp"
 
namespace license {
namespace locate {
    using namespace std;
 
ExternalDefinition::ExternalDefinition(const LicenseLocation *location)
    : LocatorStrategy("ExternalDefinition"), m_location(location) {}
 
ExternalDefinition::~ExternalDefinition() {}
 
const std::vector<std::string> ExternalDefinition::license_locations(EventRegistry &eventRegistry) {
    vector<string> existing_pos;
    if (m_location->licenseData[0] != '\0') {
        eventRegistry.addEvent(LICENSE_SPECIFIED, get_strategy_name());
        switch (m_location->license_data_type) {
            case LICENSE_PATH: {
                string licData(m_location->licenseData, mstrnlen_s(m_location->licenseData, LCC_API_MAX_LICENSE_DATA_LENGTH));
                const vector<string> declared_positions = license::split_string(licData, ';');
                existing_pos =
                    license::filter_existing_files(declared_positions, eventRegistry, get_strategy_name().c_str());
            } break;
            case LICENSE_ENCODED:
            case LICENSE_PLAIN_DATA:
                existing_pos.push_back(get_strategy_name());
                break;
            default:
                throw logic_error("license type not supported ");
        }
    }
    return existing_pos;
}
 
const std::string ExternalDefinition::retrieve_license_content(const std::string &licenseLocation) const {
    if (licenseLocation == get_strategy_name()) {
        string licData(m_location->licenseData, mstrnlen_s(m_location->licenseData, LCC_API_MAX_LICENSE_DATA_LENGTH));
        if (m_location->license_data_type == LICENSE_ENCODED) {
            // FIXME what if license is wrong
            vector<uint8_t> raw = unbase64(licData);
            string str = string(reinterpret_cast<char *>(raw.data()));
            return str;
        } else {
            return licData;
        }
    } else {
        return LocatorStrategy::retrieve_license_content(licenseLocation);
    }
}
 
} /* namespace locate */
} /* namespace license */