| 1 | /*␊ |
| 2 | Copyright 2021 Grégory Soutadé␊ |
| 3 | ␊ |
| 4 | This file is part of libgourou.␊ |
| 5 | ␊ |
| 6 | libgourou is free software: you can redistribute it and/or modify␊ |
| 7 | it under the terms of the GNU Lesser General Public License as published by␊ |
| 8 | the Free Software Foundation, either version 3 of the License, or␊ |
| 9 | (at your option) any later version.␊ |
| 10 | ␊ |
| 11 | libgourou is distributed in the hope that it will be useful,␊ |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of␊ |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the␊ |
| 14 | GNU Lesser General Public License for more details.␊ |
| 15 | ␊ |
| 16 | You should have received a copy of the GNU Lesser General Public License␊ |
| 17 | along with libgourou. If not, see <http://www.gnu.org/licenses/>.␊ |
| 18 | */␊ |
| 19 | ␊ |
| 20 | #include <cctype>␊ |
| 21 | #include <fulfillment_item.h>␊ |
| 22 | #include <libgourou_common.h>␊ |
| 23 | #include "user.h"␊ |
| 24 | ␊ |
| 25 | namespace gourou␊ |
| 26 | {␊ |
| 27 | FulfillmentItem::FulfillmentItem(pugi::xml_document& doc, User* user)␊ |
| 28 | ␉: fulfillDoc(), loanToken(0)␊ |
| 29 | {␊ |
| 30 | ␉fulfillDoc.reset(doc); /* We must keep a copy */␊ |
| 31 | ␉metadatas = fulfillDoc.select_node("//metadata").node();␊ |
| 32 | ␉␊ |
| 33 | ␉if (!metadatas)␊ |
| 34 | ␉ EXCEPTION(FFI_INVALID_FULFILLMENT_DATA, "No metadata tag in document");␊ |
| 35 | ␉␊ |
| 36 | ␉pugi::xml_node node = doc.select_node("/envelope/fulfillmentResult/resourceItemInfo/src").node();␊ |
| 37 | ␉downloadURL = node.first_child().value();␊ |
| 38 | ␊ |
| 39 | ␉if (downloadURL == "")␊ |
| 40 | ␉ EXCEPTION(FFI_INVALID_FULFILLMENT_DATA, "No download URL in document");␊ |
| 41 | ␉␊ |
| 42 | ␉node = doc.select_node("/envelope/fulfillmentResult/resourceItemInfo/resource").node();␊ |
| 43 | ␉resource = node.first_child().value();␊ |
| 44 | ␊ |
| 45 | ␉if (resource == "")␊ |
| 46 | ␉ EXCEPTION(FFI_INVALID_FULFILLMENT_DATA, "No resource in document");␊ |
| 47 | ␊ |
| 48 | ␉pugi::xml_node licenseToken = doc.select_node("/envelope/fulfillmentResult/resourceItemInfo/licenseToken").node();␊ |
| 49 | ␊ |
| 50 | ␉if (!licenseToken)␊ |
| 51 | ␉ EXCEPTION(FFI_INVALID_FULFILLMENT_DATA, "Any license token in document");␊ |
| 52 | ␉␊ |
| 53 | ␉buildRights(licenseToken, user);␊ |
| 54 | ␊ |
| 55 | ␉node = doc.select_node("/envelope/fulfillmentResult/returnable").node();␊ |
| 56 | ␉try␊ |
| 57 | ␉{␊ |
| 58 | ␉ if (node && node.first_child().value() == std::string("true"))␊ |
| 59 | ␉␉loanToken = new LoanToken(doc);␊ |
| 60 | ␉}␊ |
| 61 | ␉catch(std::exception& e)␊ |
| 62 | ␉{␊ |
| 63 | ␉ GOUROU_LOG(ERROR, "Book is returnable, but contains invalid loan token");␊ |
| 64 | ␉ GOUROU_LOG(ERROR, e.what());␊ |
| 65 | ␉}␊ |
| 66 | }␊ |
| 67 | ␊ |
| 68 | FulfillmentItem::~FulfillmentItem()␊ |
| 69 | {␊ |
| 70 | ␉if (loanToken) delete loanToken;␊ |
| 71 | }␊ |
| 72 | ␊ |
| 73 | void FulfillmentItem::buildRights(const pugi::xml_node& licenseToken, User* user)␊ |
| 74 | {␊ |
| 75 | ␉pugi::xml_node decl = rights.append_child(pugi::node_declaration);␊ |
| 76 | ␉decl.append_attribute("version") = "1.0";␊ |
| 77 | ␉␊ |
| 78 | ␉pugi::xml_node root = rights.append_child("adept:rights");␊ |
| 79 | ␉root.append_attribute("xmlns:adept") = ADOBE_ADEPT_NS;␊ |
| 80 | ␉␊ |
| 81 | ␉pugi::xml_node newLicenseToken = root.append_copy(licenseToken);␊ |
| 82 | ␉if (!newLicenseToken.attribute("xmlns"))␊ |
| 83 | ␉ newLicenseToken.append_attribute("xmlns") = ADOBE_ADEPT_NS;␊ |
| 84 | ␊ |
| 85 | ␉pugi::xml_node licenseServiceInfo = root.append_child("adept:licenseServiceInfo");␊ |
| 86 | ␉pugi::xml_node licenseURL = licenseToken.select_node("licenseURL").node();␊ |
| 87 | ␉licenseURL.set_name("adept:licenseURL");␊ |
| 88 | ␉licenseServiceInfo.append_copy(licenseURL);␊ |
| 89 | ␉pugi::xml_node certificate = licenseServiceInfo.append_child("adept:certificate");␊ |
| 90 | ␉std::string certificateValue = user->getLicenseServiceCertificate(licenseURL.first_child().value());␊ |
| 91 | ␉certificate.append_child(pugi::node_pcdata).set_value(certificateValue.c_str());␊ |
| 92 | }␊ |
| 93 | ␊ |
| 94 | std::string FulfillmentItem::getMetadata(std::string name)␊ |
| 95 | {␊ |
| 96 | ␉// https://stackoverflow.com/questions/313970/how-to-convert-an-instance-of-stdstring-to-lower-case␊ |
| 97 | ␉#if __STDC_VERSION__ >= 201112L␊ |
| 98 | ␉std::transform(name.begin(), name.end(), name.begin(),␊ |
| 99 | ␉␉ [](unsigned char c){ return std::tolower(c); });␊ |
| 100 | ␉#else␊ |
| 101 | ␉std::transform(name.begin(), name.end(), name.begin(), tolower);␊ |
| 102 | ␉#endif␊ |
| 103 | ␉name = std::string("dc:") + name;␊ |
| 104 | ␉pugi::xpath_node path = metadatas.select_node(name.c_str());␊ |
| 105 | ␊ |
| 106 | ␉if (!path)␊ |
| 107 | ␉ return "";␊ |
| 108 | ␊ |
| 109 | ␉return path.node().first_child().value();␊ |
| 110 | }␊ |
| 111 | ␊ |
| 112 | std::string FulfillmentItem::getRights()␊ |
| 113 | {␊ |
| 114 | ␉StringXMLWriter xmlWriter;␊ |
| 115 | ␉rights.save(xmlWriter, " ");␊ |
| 116 | ␉return xmlWriter.getResult();␊ |
| 117 | }␊ |
| 118 | ␊ |
| 119 | std::string FulfillmentItem::getDownloadURL()␊ |
| 120 | {␊ |
| 121 | ␉return downloadURL;␊ |
| 122 | }␊ |
| 123 | ␊ |
| 124 | std::string FulfillmentItem::getResource()␊ |
| 125 | {␊ |
| 126 | ␉return resource;␊ |
| 127 | }␊ |
| 128 | ␊ |
| 129 | LoanToken* FulfillmentItem::getLoanToken()␊ |
| 130 | {␊ |
| 131 | ␉return loanToken;␊ |
| 132 | }␊ |
| 133 | }␊ |
