libgourou/src/fulfillment_item.cpp

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2021-07-03 21:57:53 +02:00
/*
Copyright 2021 Grégory Soutadé
This file is part of libgourou.
libgourou is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
libgourou is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with libgourou. If not, see <http://www.gnu.org/licenses/>.
*/
#include <fulfillment_item.h>
#include <libgourou_common.h>
#include "user.h"
namespace gourou
{
FulfillmentItem::FulfillmentItem(pugi::xml_document& doc, User* user)
{
metadatas = doc.select_node("//metadata").node();
if (!metadatas)
EXCEPTION(FFI_INVALID_FULFILLMENT_DATA, "No metadata tag in document");
pugi::xml_node node = doc.select_node("/envelope/fulfillmentResult/resourceItemInfo/src").node();
downloadURL = node.first_child().value();
if (downloadURL == "")
EXCEPTION(FFI_INVALID_FULFILLMENT_DATA, "No download URL in document");
pugi::xml_node licenseToken = doc.select_node("/envelope/fulfillmentResult/resourceItemInfo/licenseToken").node();
if (!licenseToken)
EXCEPTION(FFI_INVALID_FULFILLMENT_DATA, "Any license token in document");
buildRights(licenseToken, user);
}
void FulfillmentItem::buildRights(const pugi::xml_node& licenseToken, User* user)
{
pugi::xml_node decl = rights.append_child(pugi::node_declaration);
decl.append_attribute("version") = "1.0";
pugi::xml_node root = rights.append_child("adept:rights");
root.append_attribute("xmlns:adept") = ADOBE_ADEPT_NS;
pugi::xml_node newLicenseToken = root.append_copy(licenseToken);
if (!newLicenseToken.attribute("xmlns"))
newLicenseToken.append_attribute("xmlns") = ADOBE_ADEPT_NS;
pugi::xml_node licenseServiceInfo = root.append_child("licenseServiceInfo");
licenseServiceInfo.append_attribute("xmlns") = ADOBE_ADEPT_NS;
licenseServiceInfo.append_copy(licenseToken.select_node("licenseURL").node());
pugi::xml_node certificate = licenseServiceInfo.append_child("certificate");
certificate.append_child(pugi::node_pcdata).set_value(user->getCertificate().c_str());
}
std::string FulfillmentItem::getMetadata(std::string name)
{
// https://stackoverflow.com/questions/313970/how-to-convert-an-instance-of-stdstring-to-lower-case
std::transform(name.begin(), name.end(), name.begin(),
[](unsigned char c){ return std::tolower(c); });
name = std::string("dc:") + name;
pugi::xpath_node path = metadatas.select_node(name.c_str());
if (!path)
return "";
return path.node().first_child().value();
}
std::string FulfillmentItem::getRights()
{
StringXMLWriter xmlWriter;
rights.save(xmlWriter, " ");
return xmlWriter.getResult();
}
std::string FulfillmentItem::getDownloadURL()
{
return downloadURL;
}
}