libgourou/include/libgourou.h

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/*
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
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along with libgourou. If not, see <http://www.gnu.org/licenses/>.
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*/
#ifndef _LIBGOUROU_H_
#define _LIBGOUROU_H_
#include "bytearray.h"
#include "device.h"
#include "user.h"
#include "fulfillment_item.h"
#include "drmprocessorclient.h"
#include <pugixml.hpp>
#ifndef HOBBES_DEFAULT_VERSION
#define HOBBES_DEFAULT_VERSION "10.0.4"
#endif
#ifndef DEFAULT_ADEPT_DIR
#define DEFAULT_ADEPT_DIR "./.adept"
#endif
#ifndef ACS_SERVER
#define ACS_SERVER "http://adeactivate.adobe.com/adept"
#endif
#define LIBGOUROU_VERSION "0.4"
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namespace gourou
{
/**
* @brief Main class that handle all ADEPTS functions (fulfill, download, signIn, activate)
*/
class DRMProcessor
{
public:
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static const std::string VERSION;
enum ITEM_TYPE { EPUB=0, PDF };
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/**
* @brief Main constructor. To be used once all is configured (user has signedIn, device is activated)
*
* @param client Client processor
* @param deviceFile Path of device.xml
* @param activationFile Path of activation.xml
* @param deviceKeyFile Path of devicesalt
*/
DRMProcessor(DRMProcessorClient* client, const std::string& deviceFile, const std::string& activationFile, const std::string& deviceKeyFile);
~DRMProcessor();
/**
* @brief Fulfill ACSM file to server in order to retrieve ePub fulfillment item
*
* @param ACSMFile Path of ACSMFile
*
* @return a FulfillmentItem if all is OK
*/
FulfillmentItem* fulfill(const std::string& ACSMFile);
/**
* @brief Once fulfilled, ePub file needs to be downloaded.
* During this operation, DRM information is added into downloaded file
*
* @param item Item from fulfill() method
* @param path Output file path
*
* @return Type of downloaded item
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*/
ITEM_TYPE download(FulfillmentItem* item, std::string path);
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/**
* @brief SignIn into ACS Server (required to activate device)
*
* @param adobeID AdobeID username
* @param adobePassword Adobe password
*/
void signIn(const std::string& adobeID, const std::string& adobePassword);
/**
* @brief Activate newly created device (user must have successfuly signedIn before)
*/
void activateDevice();
/**
* @brief Create a new ADEPT environment (device.xml, devicesalt and activation.xml).
*
* @param client Client processor
* @param randomSerial Always generate a new device (or not)
* @param dirName Directory where to put generated files (.adept)
* @param hobbes Override hobbes default version
* @param ACSServer Override main ACS server (default adeactivate.adobe.com)
*/
static DRMProcessor* createDRMProcessor(DRMProcessorClient* client,
bool randomSerial=false, const std::string& dirName=std::string(DEFAULT_ADEPT_DIR),
const std::string& hobbes=std::string(HOBBES_DEFAULT_VERSION),
const std::string& ACSServer=ACS_SERVER);
/**
* @brief Get current log level
*/
static int getLogLevel();
/**
* @brief Set log level (higher number for verbose output)
*/
static void setLogLevel(int logLevel);
/**
* Functions used internally, should not be called by user
*/
/**
* @brief Send HTTP (GET or POST) request
*
* @param URL HTTP URL
* @param POSTData POST data if needed, if not set, a GET request is done
* @param contentType Optional content type of POST Data
* @param responseHeaders Optional Response headers of HTTP request
*
* @return data of HTTP response
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*/
ByteArray sendRequest(const std::string& URL, const std::string& POSTData=std::string(), const char* contentType=0, std::map<std::string, std::string>* responseHeaders=0);
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/**
* @brief Send HTTP POST request to URL with document as POSTData
*/
ByteArray sendRequest(const pugi::xml_document& document, const std::string& url);
/**
* @brief In place encrypt data with private device key
*/
ByteArray encryptWithDeviceKey(const unsigned char* data, unsigned int len);
/**
* @brief In place decrypt data with private device key
*/
ByteArray decryptWithDeviceKey(const unsigned char* data, unsigned int len);
/**
* @brief Return base64 encoded value of RSA public key
*/
std::string serializeRSAPublicKey(void* rsa);
/**
* @brief Return base64 encoded value of RSA private key encrypted with private device key
*/
std::string serializeRSAPrivateKey(void* rsa);
/**
* @brief Get current user
*/
User* getUser() { return user; }
/**
* @brief Get current device
*/
Device* getDevice() { return device; }
/**
* @brief Get current client
*/
DRMProcessorClient* getClient() { return client; }
private:
gourou::DRMProcessorClient* client;
gourou::Device* device;
gourou::User* user;
DRMProcessor(DRMProcessorClient* client);
void pushString(void* sha_ctx, const std::string& string);
void pushTag(void* sha_ctx, uint8_t tag);
void hashNode(const pugi::xml_node& root, void *sha_ctx, std::map<std::string,std::string> nsHash);
void hashNode(const pugi::xml_node& root, unsigned char* sha_out);
std::string signNode(const pugi::xml_node& rootNode);
void addNonce(pugi::xml_node& root);
void buildAuthRequest(pugi::xml_document& authReq);
void buildInitLicenseServiceRequest(pugi::xml_document& initLicReq, std::string operatorURL);
void doOperatorAuth(std::string operatorURL);
void operatorAuth(std::string operatorURL);
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void buildFulfillRequest(pugi::xml_document& acsmDoc, pugi::xml_document& fulfillReq);
void buildActivateReq(pugi::xml_document& activateReq);
ByteArray sendFulfillRequest(const pugi::xml_document& document, const std::string& url);
void buildSignInRequest(pugi::xml_document& signInRequest, const std::string& adobeID, const std::string& adobePassword, const std::string& authenticationCertificate);
void fetchLicenseServiceCertificate(const std::string& licenseURL,
const std::string& operatorURL);
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};
}
#endif