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/*
* innoextract.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "innoextract.h"
#ifdef ENABLE_INNOEXTRACT
#include "cli/extract.hpp"
#include "setup/version.hpp"
#endif
QString Innoextract::extract(QString installer, QString outDir, std::function<void (float percent)> cb)
{
QString errorText{};
#ifdef ENABLE_INNOEXTRACT
::extract_options o;
o.extract = true;
// standard settings
o.gog_galaxy = true;
o.codepage = 0U;
o.output_dir = outDir.toStdString();
o.extract_temp = true;
o.extract_unknown = true;
o.filenames.set_expand(true);
o.preserve_file_times = true; // also correctly closes file -> without it: on Windows the files are not written completely
try
{
process_file(installer.toStdString(), o, cb);
}
catch(const std::ios_base::failure & e)
{
errorText = tr("Stream error while extracting files!\nerror reason: ");
errorText += e.what();
}
catch(const format_error & e)
{
errorText = e.what();
}
catch(const std::runtime_error & e)
{
errorText = e.what();
}
catch(const setup::version_error &)
{
errorText = tr("Not a supported Inno Setup installer!");
}
#else
errorText = tr("VCMI was compiled without innoextract support, which is needed to extract exe files!");
#endif
return errorText;
}
QString Innoextract::getHashError(QString exeFile, QString binFile, QString exeFileOriginal, QString binFileOriginal)
{
enum filetype
{
H3_COMPLETE, CHR
};
struct data
{
filetype type;
std::string language;
int exeSize;
int binSize;
std::string exe;
std::string bin;
};
struct fileinfo {
std::string hash;
int size = 0;
};
std::vector<data> knownHashes = {
// { H3_COMPLETE, "english", 973162040, 0, "7cf1ecec73e8c2f2c2619415cd16749be5641942", "" }, // setup_homm_3_complete_4.0_(10665).exe
// { H3_COMPLETE, "french", ???, 0, "7e5a737c51530a1888033d188ab0635825ee622f", "" }, // setup_homm_3_complete_french_4.0_(10665).exe
{ H3_COMPLETE, "english", 822520, 1005040617, "66646a353b06417fa12c6384405688c84a315cc1", "c624e2071f4e35386765ab044ad5860ac245b7f4" }, // setup_heroes_of_might_and_magic_3_complete_4.0_(28740).exe
{ H3_COMPLETE, "french", 824960, 997305870, "072f1d4466ff16444d8c7949c6530448a9c53cfa", "9b6b451d2bd2f8b4be159e62fa6d32e87ee10455" }, // setup_heroes_of_might_and_magic_3_complete_4.0_(french)_(28740).exe
{ H3_COMPLETE, "polish", 822288, 849286313, "74ffde00156dd5a8e237668f87213387f0dd9c7c", "2523cf9943043ae100186f89e4ebf7c28be09804" }, // setup_heroes_of_might_and_magic_3_complete_4.0_(polish)_(28740).exe
{ H3_COMPLETE, "russian", 821608, 980398466, "88ccae41e66da58ba4ad62024d97dfe69084f825", "58f1b3c813a1953992bba1f9855c47d01c897db8" }, // setup_heroes_of_might_and_magic_3_complete_4.0_(russian)_(28740).exe
{ H3_COMPLETE, "english", 820288, 1006275333, "ca68adb8c2d8c6b3afa17a595ad70c2cec062b5a", "2715e10e91919d05377d39fd879d43f9f0cb9f87" }, // setup_heroes_of_might_and_magic_3_complete_4.0_(3.2)_gog_0.1_(77075).exe
{ H3_COMPLETE, "french", 822688, 998540653, "fbb300eeef52f5d81a571a178723b19313e3856d", "4f4d90ff2f60968616766237664744bc54754500" }, // setup_heroes_of_might_and_magic_3_complete_4.0_(3.2)_gog_0.1_(french)_(77075).exe
{ H3_COMPLETE, "polish", 819904, 851750601, "a413b0b9f3d5ca3e1a57e84a42de28c67d77b1a7", "fd9fe58bcbb8b442e8cfc299d90f1d503f281d40" }, // setup_heroes_of_might_and_magic_3_complete_4.0_(3.2)_gog_0.1_(polish)_(77075).exe
{ H3_COMPLETE, "russian", 819416, 981633128, "e84eedf62fe2e5f9171a7e1ce6e99315a09ce41f", "49cc683395c0cf80830bfa66e42bb5dfdb7aa124" }, // setup_heroes_of_might_and_magic_3_complete_4.0_(3.2)_gog_0.1_(russian)_(77075).exe
{ CHR, "english", 485694752, 0, "44e4fc2c38261a1c2a57d5198f44493210e8fc1a", "" }, // setup_heroes_chronicles_chapter1_2.1.0.42.exe
{ CHR, "english", 493102840, 0, "b479a3272cf4b57a6b7fc499df5eafb624dcd6de", "" }, // setup_heroes_chronicles_chapter2_2.1.0.43.exe
{ CHR, "english", 470364128, 0, "5ad36d822e1700c9ecf93b78652900a52518146b", "" }, // setup_heroes_chronicles_chapter3_2.1.0.41.exe
{ CHR, "english", 469211296, 0, "5deb374a2e188ed14e8f74ad1284c45e46adf760", "" }, // setup_heroes_chronicles_chapter4_2.1.0.42.exe
{ CHR, "english", 447497560, 0, "a6daa6ed56c840f3be7ad6ad920a2f9f2439acc8", "" }, // setup_heroes_chronicles_chapter5_2.1.0.42.exe
{ CHR, "english", 447430456, 0, "93a42dd24453f36e7020afc61bca05b8461a3f04", "" }, // setup_heroes_chronicles_chapter6_2.1.0.42.exe
{ CHR, "english", 481583720, 0, "d74b042015f3c5b667821c5d721ac3d2fdbf43fc", "" }, // setup_heroes_chronicles_chapter7_2.1.0.42.exe
{ CHR, "english", 462976008, 0, "9039050e88b9dabcdb3ffa74b33e6aa86a20b7d9", "" }, // setup_heroes_chronicles_chapter8_2.1.0.42.exe
};
auto doHash = [](QFile f){
fileinfo tmp;
if(f.open(QFile::ReadOnly)) {
QCryptographicHash hash(QCryptographicHash::Algorithm::Sha1);
if(hash.addData(&f))
tmp.hash = hash.result().toHex().toLower().toStdString();
tmp.size = f.size();
}
return tmp;
};
fileinfo exeInfo;
fileinfo binInfo;
fileinfo exeInfoOriginal;
fileinfo binInfoOriginal;
exeInfo = doHash(QFile(exeFile));
if(!binFile.isEmpty())
binInfo = doHash(QFile(binFile));
exeInfoOriginal = doHash(QFile(exeFileOriginal));
if(!binFileOriginal.isEmpty())
binInfoOriginal = doHash(QFile(binFileOriginal));
if(exeInfo.hash.empty() || (!binFile.isEmpty() && binInfo.hash.empty()))
return QString{}; // hashing not possible -> previous error is enough
QString hashOutput = tr("SHA1 hash of provided files:\nExe (%n bytes):\n%1", "param is hash", exeInfo.size).arg(QString::fromStdString(exeInfo.hash));
if(!binInfo.hash.empty())
hashOutput += tr("\nBin (%n bytes):\n%1", "param is hash", binInfo.size).arg(QString::fromStdString(binInfo.hash));
if((!exeInfoOriginal.hash.empty() && exeInfo.hash != exeInfoOriginal.hash) || (!binInfoOriginal.hash.empty() && !binFile.isEmpty() && !binFileOriginal.isEmpty() && binInfo.hash != binInfoOriginal.hash))
return tr("Internal copy process failed. Enough space on device?\n\n%1").arg(hashOutput);
QString foundKnown;
QString exeLang;
QString binLang;
auto find = [exeInfo, binInfo](const data & d) { return (!d.exe.empty() && d.exe == exeInfo.hash) || (!d.bin.empty() && d.bin == binInfo.hash);};
auto it = std::find_if(knownHashes.begin(), knownHashes.end(), find);
while(it != knownHashes.end()){
auto lang = QString::fromStdString((*it).language);
foundKnown += "\n" + (exeInfo.hash == (*it).exe ? tr("Exe") : tr("Bin")) + " - " + lang;
if(exeInfo.hash == (*it).exe)
exeLang = lang;
else
binLang = lang;
it = std::find_if(++it, knownHashes.end(), find);
}
if(!exeLang.isEmpty() && !binLang.isEmpty() && exeLang != binLang && !binFile.isEmpty())
return tr("Language mismatch!\n%1\n\n%2").arg(foundKnown, hashOutput);
else if((!exeLang.isEmpty() || !binLang.isEmpty()) && !binFile.isEmpty())
return tr("Only one file known! Maybe files are corrupted? Please download again.\n%1\n\n%2").arg(foundKnown, hashOutput);
else if(!exeLang.isEmpty() && binFile.isEmpty())
return QString{};
else if(!exeLang.isEmpty() && !binFile.isEmpty() && exeLang == binLang)
return QString{};
return tr("Unknown files! Maybe files are corrupted? Please download again.\n\n%1").arg(hashOutput);
}
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