361 lines
11 KiB
C++
361 lines
11 KiB
C++
/*
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Copyright (c) 2021, Grégory Soutadé
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <getopt.h>
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#include <libgen.h>
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#include <iostream>
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#include <algorithm>
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#include <libgourou.h>
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#include <libgourou_common.h>
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#include "drmprocessorclientimpl.h"
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#include "utils_common.h"
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static const char* deviceFile = "device.xml";
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static const char* activationFile = "activation.xml";
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static const char* devicekeyFile = "devicesalt";
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static const char* acsmFile = 0;
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static bool exportPrivateKey = false;
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static const char* outputFile = 0;
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static const char* outputDir = 0;
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static bool resume = false;
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static bool notify = true;
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class ACSMDownloader
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{
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public:
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int run()
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{
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int ret = 0;
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try
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{
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gourou::DRMProcessor processor(&client, deviceFile, activationFile, devicekeyFile);
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gourou::User* user = processor.getUser();
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if (exportPrivateKey)
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{
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std::string filename;
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if (!outputFile)
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filename = std::string("Adobe_PrivateLicenseKey--") + user->getUsername() + ".der";
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else
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filename = outputFile;
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if (outputDir)
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{
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if (!fileExists(outputDir))
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mkpath(outputDir);
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filename = std::string(outputDir) + "/" + filename;
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}
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processor.exportPrivateLicenseKey(filename);
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std::cout << "Private license key exported to " << filename << std::endl;
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}
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else
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{
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gourou::FulfillmentItem* item = processor.fulfill(acsmFile, notify);
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std::string filename;
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if (!outputFile)
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{
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filename = item->getMetadata("title");
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if (filename == "")
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filename = "output";
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else
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{
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// Remove invalid characters
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std::replace(filename.begin(), filename.end(), '/', '_');
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}
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}
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else
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filename = outputFile;
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if (outputDir)
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{
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if (!fileExists(outputDir))
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mkpath(outputDir);
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filename = std::string(outputDir) + "/" + filename;
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}
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gourou::DRMProcessor::ITEM_TYPE type = processor.download(item, filename, resume);
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if (!outputFile)
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{
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std::string finalName = filename;
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if (type == gourou::DRMProcessor::ITEM_TYPE::PDF)
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finalName += ".pdf";
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else
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finalName += ".epub";
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rename(filename.c_str(), finalName.c_str());
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filename = finalName;
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}
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std::cout << "Created " << filename << std::endl;
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serializeLoanToken(item);
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}
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} catch(std::exception& e)
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{
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std::cout << e.what() << std::endl;
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ret = 1;
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}
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return ret;
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}
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void serializeLoanToken(gourou::FulfillmentItem* item)
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{
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gourou::LoanToken* token = item->getLoanToken();
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// No loan token available
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if (!token)
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return;
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pugi::xml_document doc;
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pugi::xml_node decl = doc.append_child(pugi::node_declaration);
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decl.append_attribute("version") = "1.0";
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pugi::xml_node root = doc.append_child("loanToken");
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gourou::appendTextElem(root, "id", (*token)["id"]);
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gourou::appendTextElem(root, "operatorURL", (*token)["operatorURL"]);
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gourou::appendTextElem(root, "validity", (*token)["validity"]);
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gourou::appendTextElem(root, "name", item->getMetadata("title"));
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char * activationDir = strdup(deviceFile);
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activationDir = dirname(activationDir);
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gourou::StringXMLWriter xmlWriter;
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doc.save(xmlWriter, " ");
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std::string xmlStr = xmlWriter.getResult();
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// Use first bytes of SHA1(id) as filename
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unsigned char sha1[gourou::SHA1_LEN];
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client.digest("SHA1", (unsigned char*)(*token)["id"].c_str(), (*token)["id"].size(), sha1);
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gourou::ByteArray tmp(sha1, sizeof(sha1));
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std::string filenameHex = tmp.toHex();
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std::string filename(filenameHex.c_str(), ID_HASH_SIZE);
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std::string fullPath = std::string(activationDir);
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fullPath += std::string ("/") + std::string(LOANS_DIR);
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mkpath(fullPath.c_str());
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fullPath += filename + std::string(".xml");
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gourou::writeFile(fullPath, xmlStr);
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std::cout << "Loan token serialized into " << fullPath << std::endl;
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free(activationDir);
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}
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private:
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DRMProcessorClientImpl client;
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};
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static void usage(const char* cmd)
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{
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std::cout << basename((char*)cmd) << " download EPUB file from ACSM request file" << std::endl << std::endl;
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std::cout << "Usage: " << basename((char*)cmd) << " [OPTIONS] file.acsm" << std::endl << std::endl;
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std::cout << "Global Options:" << std::endl;
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std::cout << " " << "-O|--output-dir" << "\t" << "Optional output directory were to put result (default ./)" << std::endl;
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std::cout << " " << "-o|--output-file" << "\t" << "Optional output filename (default <title.(epub|pdf|der)>)" << std::endl;
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std::cout << " " << "-f|--acsm-file" << "\t" << "Backward compatibility: ACSM request file for epub download" << std::endl;
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std::cout << " " << "-e|--export-private-key"<< "\t" << "Export private key in DER format" << std::endl;
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std::cout << " " << "-r|--resume" << "\t\t" << "Try to resume download (in case of previous failure)" << std::endl;
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std::cout << " " << "-N|--no-notify" << "\t\t" << "Don't notify server, even if requested" << std::endl;
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std::cout << " " << "-v|--verbose" << "\t\t" << "Increase verbosity, can be set multiple times" << std::endl;
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std::cout << " " << "-V|--version" << "\t\t" << "Display libgourou version" << std::endl;
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std::cout << " " << "-h|--help" << "\t\t" << "This help" << std::endl;
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std::cout << "ADEPT Options:" << std::endl;
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std::cout << " " << "-D|--adept-directory" << "\t" << ".adept directory that must contains device.xml, activation.xml and devicesalt" << std::endl;
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std::cout << " " << "-d|--device-file" << "\t" << "device.xml file from eReader" << std::endl;
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std::cout << " " << "-a|--activation-file" << "\t" << "activation.xml file from eReader" << std::endl;
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std::cout << " " << "-k|--device-key-file" << "\t" << "private device key file (eg devicesalt/devkey.bin) from eReader" << std::endl;
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std::cout << std::endl;
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std::cout << "Environment:" << std::endl;
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std::cout << "Device file, activation file and device key file are optionals. If not set, they are looked into :" << std::endl << std::endl;
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std::cout << " * $ADEPT_DIR environment variable" << std::endl;
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std::cout << " * /home/<user>/.config/adept" << std::endl;
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std::cout << " * Current directory" << std::endl;
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std::cout << " * .adept" << std::endl;
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std::cout << " * adobe-digital-editions directory" << std::endl;
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std::cout << " * .adobe-digital-editions directory" << std::endl;
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}
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int main(int argc, char** argv)
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{
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int c, ret = -1;
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std::string _deviceFile, _activationFile, _devicekeyFile;
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const char** files[] = {&devicekeyFile, &deviceFile, &activationFile};
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int verbose = gourou::DRMProcessor::getLogLevel();
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while (1) {
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int option_index = 0;
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static struct option long_options[] = {
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{"adept-directory", required_argument, 0, 'D' },
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{"device-file", required_argument, 0, 'd' },
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{"activation-file", required_argument, 0, 'a' },
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{"device-key-file", required_argument, 0, 'k' },
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{"output-dir", required_argument, 0, 'O' },
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{"output-file", required_argument, 0, 'o' },
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{"acsm-file", required_argument, 0, 'f' },
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{"export-private-key",no_argument, 0, 'e' },
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{"resume", no_argument, 0, 'r' },
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{"no-notify", no_argument, 0, 'N' },
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{"verbose", no_argument, 0, 'v' },
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{"version", no_argument, 0, 'V' },
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{"help", no_argument, 0, 'h' },
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{0, 0, 0, 0 }
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};
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c = getopt_long(argc, argv, "D:d:a:k:O:o:f:erNvVh",
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long_options, &option_index);
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if (c == -1)
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break;
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switch (c) {
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case 'D':
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_deviceFile = std::string(optarg) + "/device.xml";
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_activationFile = std::string(optarg) + "/activation.xml";
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_devicekeyFile = std::string(optarg) + "/devicesalt";
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deviceFile = _deviceFile.c_str();
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activationFile = _activationFile.c_str();
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devicekeyFile = _devicekeyFile.c_str();
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break;
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case 'd':
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deviceFile = optarg;
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break;
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case 'a':
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activationFile = optarg;
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break;
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case 'k':
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devicekeyFile = optarg;
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break;
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case 'f':
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acsmFile = optarg;
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break;
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case 'O':
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outputDir = optarg;
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break;
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case 'o':
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outputFile = optarg;
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break;
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case 'e':
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exportPrivateKey = true;
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break;
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case 'r':
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resume = true;
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break;
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case 'N':
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notify = false;
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break;
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case 'v':
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verbose++;
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break;
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case 'V':
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version();
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return 0;
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case 'h':
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usage(argv[0]);
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return 0;
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default:
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usage(argv[0]);
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return -1;
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}
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}
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gourou::DRMProcessor::setLogLevel(verbose);
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if (optind == argc-1)
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acsmFile = argv[optind];
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if ((!acsmFile && !exportPrivateKey) || (outputDir && !outputDir[0]) ||
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(outputFile && !outputFile[0]))
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{
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usage(argv[0]);
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return -1;
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}
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ACSMDownloader downloader;
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int i;
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bool hasErrors = false;
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const char* orig;
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for (i=0; i<(int)ARRAY_SIZE(files); i++)
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{
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orig = *files[i];
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*files[i] = findFile(*files[i]);
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if (!*files[i])
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{
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std::cout << "Error : " << orig << " doesn't exists, did you activate your device ?" << std::endl;
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ret = -1;
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hasErrors = true;
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}
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}
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if (hasErrors)
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goto end;
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if (exportPrivateKey)
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{
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if (acsmFile)
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{
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usage(argv[0]);
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return -1;
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}
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}
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else
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{
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if (!fileExists(acsmFile))
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{
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std::cout << "Error : " << acsmFile << " doesn't exists" << std::endl;
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ret = -1;
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goto end;
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}
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}
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ret = downloader.run();
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end:
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for (i=0; i<(int)ARRAY_SIZE(files); i++)
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{
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if (*files[i])
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free((void*)*files[i]);
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}
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return ret;
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}
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