problem = $problem;
$this->user = $user;
if (!validateUInt($this->problem->info['id'])) {
UOJLog::error("UOJProblemDataSynchronizer: hacker detected");
return;
}
$this->id = (int)$this->problem->info['id'];
$this->data_dir = "/var/uoj_data/{$this->id}";
$this->prepare_dir = "/var/uoj_data/prepare_{$this->id}";
$this->upload_dir = "/var/uoj_data/upload/{$this->id}";
}
/**
* $type can be either LOCK_SH or LOCK_EX
*/
private function lock($type, $func) {
$ret = FS::lock_file("/var/uoj_data/{$this->id}_lock", $type, $func);
return $ret === false ? $this->retryMsg() : $ret;
}
private function check_conf_on($name) {
return isset($this->problem_conf[$name]) && $this->problem_conf[$name] == 'on';
}
private function create_prepare_folder() {
return mkdir($this->prepare_dir, 0755);
}
private function remove_prepare_folder() {
return UOJLocalRun::exec(['rm', $this->prepare_dir, '-rf']);
}
private function copy_to_prepare($file_name) {
if (!isset($this->allow_files[$file_name])) {
throw new UOJFileNotFoundException($file_name);
}
$src = "{$this->upload_dir}/$file_name";
$dest = "{$this->prepare_dir}/$file_name";
if (file_exists($dest)) {
return;
}
if (isset($this->problem_extra_config['dont_use_formatter']) || !is_file("{$this->upload_dir}/$file_name")) {
$ret = UOJLocalRun::exec(['cp', $src, $dest, '-r']);
} else {
$ret = UOJLocalRun::formatter($src, $dest);
}
if ($ret === false) {
throw new UOJFileNotFoundException($file_name);
}
}
private function copy_file_to_prepare($file_name) {
if (!isset($this->allow_files[$file_name]) || !is_file("{$this->upload_dir}/$file_name")) {
throw new UOJFileNotFoundException($file_name);
}
$this->copy_to_prepare($file_name);
}
private function copy_source_code_to_prepare($code_name) { // file name without suffix
$src = UOJLang::findSourceCode($code_name, $this->upload_dir);
if ($src === false) {
throw new UOJFileNotFoundException($code_name);
}
$this->copy_to_prepare($src['path']);
}
private function compile_at_prepare($name, $config = []) {
$include_path = UOJLocalRun::$judger_include_path;
$src = UOJLang::findSourceCode($name, $this->prepare_dir);
if (isset($config['path'])) {
if (rename("{$this->prepare_dir}/{$src['path']}", "{$this->prepare_dir}/{$config['path']}/{$src['path']}") === false) {
throw new Exception("$name : move failed");
}
$work_path = "{$this->prepare_dir}/{$config['path']}";
} else {
$work_path = $this->prepare_dir;
}
$compile_options = [
['custom', UOJLocalRun::$judger_run_path]
];
$runp_options = [
['in', '/dev/null'],
['out', 'stderr'],
['err', "{$this->prepare_dir}/compiler_result.txt"],
['tl', 60],
['ml', 512],
['ol', 64],
['type', 'compiler'],
['work-path', $work_path],
];
if (!empty($config['need_include_header'])) {
$compile_options[] = ['cinclude', $include_path];
$runp_options[] = ['add-readable-raw', "{$include_path}/"];
}
if (!empty($config['implementer'])) {
$compile_options[] = ['impl', $config['implementer']];
}
$res = UOJLocalRun::compile($name, $compile_options, $runp_options);
$this->final_problem_conf["{$name}_run_type"] = UOJLang::getRunTypeFromLanguage($src['lang']);
$rstype = isset($res['rstype']) ? $res['rstype'] : 7;
if ($rstype != 0 || $res['exit_code'] != 0) {
if ($rstype == 0) {
throw new Exception("$name : compile error\n" . HTML::escape(uojFilePreview("{$this->prepare_dir}/compiler_result.txt", 10000)) . "\n");
} elseif ($rstype == 7) {
throw new Exception("$name : compile error. No comment");
} else {
throw new Exception("$name : compile error. Compiler " . judgerCodeStr($rstype));
}
}
unlink("{$this->prepare_dir}/compiler_result.txt");
if (isset($config['path'])) {
rename("{$this->prepare_dir}/{$config['path']}/{$src['path']}", "{$this->prepare_dir}/{$src['path']}");
rename("{$this->prepare_dir}/{$config['path']}/$name", "{$this->prepare_dir}/$name");
}
}
private function makefile_at_prepare() {
$include_path = UOJLocalRun::$judger_include_path;
$res = UOJLocalRun::exec(['/usr/bin/make', "INCLUDE_PATH={$include_path}"], [
['in', '/dev/null'],
['out', 'stderr'],
['err', "{$this->prepare_dir}/makefile_result.txt"],
['tl', 60],
['ml', 512],
['ol', 64],
['type', 'compiler'],
['work-path', $this->prepare_dir],
['add-readable-raw', "{$include_path}/"]
]);
$rstype = isset($res['rstype']) ? $res['rstype'] : 7;
if ($rstype != 0 || $res['exit_code'] != 0) {
if ($rstype == 0) {
throw new Exception("Makefile : compile error\n" . HTML::escape(uojFilePreview("{$this->prepare_dir}/makefile_result.txt", 10000)) . "\n");
} elseif ($rstype == 7) {
throw new Exception("Makefile : compile error. No comment");
} else {
throw new Exception("Makefile : compile error. Compiler " . judgerCodeStr($rstype));
}
}
unlink("{$this->prepare_dir}/makefile_result.txt");
}
private function _upload($new_data_zip) {
try {
// Clear upload dir
foreach (FS::scandir_r($this->upload_dir) as $file_name) {
unlink("{$this->upload_dir}/{$file_name}");
}
$zip = new ZipArchive();
if ($zip->open($new_data_zip) !== true) {
throw new UOJUploadFailedException('压缩文件打开失败');
}
if (!$zip->extractTo($this->upload_dir)) {
throw new UOJUploadFailedException('压缩文件解压失败');
}
if (!$zip->close()) {
throw new UOJUploadFailedException('压缩文件关闭失败');
}
$files = FS::scandir($this->upload_dir);
if (count($files) == 1 && is_dir("{$this->upload_dir}/{$files[0]}")) {
if (!FS::moveFilesInDir("{$this->upload_dir}/{$files[0]}", $this->upload_dir)) {
throw new UOJUploadFailedException('操作解压后的文件时发生错误');
}
}
return '';
} catch (Exception $e) {
return $e->getMessage();
} finally {
$this->remove_prepare_folder();
}
}
public function upload($new_data_zip) {
return $this->lock(LOCK_EX, fn () => $this->_upload($new_data_zip));
}
public function _updateProblemConf($new_problem_conf) {
try {
putUOJConf("{$this->upload_dir}/problem.conf", $new_problem_conf);
$this->_sync();
return '';
} catch (Exception $e) {
return $e->getMessage();
}
}
public function updateProblemConf($new_problem_conf) {
return $this->lock(LOCK_EX, fn () => $this->_updateProblemConf($new_problem_conf));
}
private function _addHackPoint($uploaded_input_file, $uploaded_output_file, $reason) {
try {
switch ($this->problem->getExtraConfig('add_hack_as')) {
case 'test':
$key_num = 'n_tests';
$msg = 'add new test';
$gen_in_name = 'getUOJProblemInputFileName';
$gen_out_name = 'getUOJProblemOutputFileName';
break;
case 'ex_test':
$key_num = 'n_ex_tests';
$msg = 'add new extra test';
$gen_in_name = 'getUOJProblemExtraInputFileName';
$gen_out_name = 'getUOJProblemExtraOutputFileName';
break;
default:
return 'add hack to data failed: add_hack_as should be either "ex_test" or "test"';
}
$new_problem_conf = $this->problem->getProblemConfArray();
if ($new_problem_conf == -1 || $new_problem_conf == -2) {
return $new_problem_conf;
}
$new_problem_conf[$key_num] = getUOJConfVal($new_problem_conf, $key_num, 0) + 1;
putUOJConf("{$this->upload_dir}/problem.conf", $new_problem_conf);
$new_input_name = $gen_in_name($new_problem_conf, $new_problem_conf[$key_num]);
$new_output_name = $gen_out_name($new_problem_conf, $new_problem_conf[$key_num]);
if (!copy($uploaded_input_file, "{$this->upload_dir}/$new_input_name")) {
return "input file not found";
}
if (!copy($uploaded_output_file, "{$this->upload_dir}/$new_output_name")) {
return "output file not found";
}
} catch (Exception $e) {
return $e->getMessage();
}
$ret = $this->_sync();
if ($ret !== '') {
return "hack successfully but sync failed: $ret";
}
if (isset($reason['hack_url'])) {
UOJSystemUpdate::updateProblem($this->problem, [
'text' => 'Hack 成功，自动添加数据',
'url' => $reason['hack_url']
]);
}
UOJSubmission::rejudgeProblemAC($this->problem, [
'reason_text' => $reason['rejudge'],
'requestor' => ''
]);
return '';
}
public function addHackPoint($uploaded_input_file, $uploaded_output_file, $reason = []) {
return $this->lock(LOCK_EX, fn () => $this->_addHackPoint($uploaded_input_file, $uploaded_output_file, $reason));
}
public function fast_hackable_check() {
if (!$this->problem->info['hackable']) {
return;
}
if (!$this->check_conf_on('use_builtin_judger')) {
return;
}
if ($this->check_conf_on('submit_answer')) {
throw new UOJProblemConfException("提交答案题不可 Hack，请先停用本题的 Hack 功能。");
} else {
if (UOJLang::findSourceCode('std', $this->upload_dir) === false) {
throw new UOJProblemConfException("找不到本题的 std。请上传 std 代码文件，或停用本题的 Hack 功能。");
}
if (UOJLang::findSourceCode('val', $this->upload_dir) === false) {
throw new UOJProblemConfException("找不到本题的 val。请上传 val 代码文件，或停用本题的 Hack 功能。");
}
}
}
private function _sync() {
try {
if (!$this->create_prepare_folder()) {
throw new UOJSyncFailedException('创建临时文件夹失败');
}
$this->requirement = [];
$this->problem_extra_config = $this->problem->getExtraConfig();;
if (!is_file("{$this->upload_dir}/problem.conf")) {
throw new UOJFileNotFoundException("problem.conf");
}
$this->problem_conf = getUOJConf("{$this->upload_dir}/problem.conf");
$this->final_problem_conf = $this->problem_conf;
if ($this->problem_conf === -1) {
throw new UOJFileNotFoundException("problem.conf");
} elseif ($this->problem_conf === -2) {
throw new UOJProblemConfException("syntax error: duplicate keys");
}
$this->allow_files = array_flip(FS::scandir($this->upload_dir));
$zip_file = new ZipArchive();
if ($zip_file->open("{$this->prepare_dir}/download.zip", ZipArchive::CREATE) !== true) {
throw new Exception("download.zip : failed to create the zip file");
}
if (isset($this->allow_files['require']) && is_dir("{$this->upload_dir}/require")) {
$this->copy_to_prepare('require');
}
if (isset($this->allow_files['testlib.h']) && is_file("{$this->upload_dir}/testlib.h")) {
$this->copy_file_to_prepare('testlib.h');
}
$this->fast_hackable_check();
if ($this->check_conf_on('use_builtin_judger')) {
$n_tests = getUOJConfVal($this->problem_conf, 'n_tests', 10);
if (!validateUInt($n_tests) || $n_tests <= 0) {
throw new UOJProblemConfException("n_tests must be a positive integer");
}
for ($num = 1; $num <= $n_tests; $num++) {
$input_file_name = getUOJProblemInputFileName($this->problem_conf, $num);
$output_file_name = getUOJProblemOutputFileName($this->problem_conf, $num);
$this->copy_file_to_prepare($input_file_name);
$this->copy_file_to_prepare($output_file_name);
}
if (!$this->check_conf_on('interaction_mode')) {
if (isset($this->problem_conf['use_builtin_checker'])) {
if (!preg_match('/^[a-zA-Z0-9_]{1,20}$/', $this->problem_conf['use_builtin_checker'])) {
throw new Exception("" . HTML::escape($this->problem_conf['use_builtin_checker']) . " is not a valid checker");
}
} else {
$this->copy_source_code_to_prepare('chk');
$this->compile_at_prepare('chk', ['need_include_header' => true]);
}
}
if ($this->check_conf_on('submit_answer')) {
if (!isset($this->problem_extra_config['dont_download_input'])) {
for ($num = 1; $num <= $n_tests; $num++) {
$input_file_name = getUOJProblemInputFileName($this->problem_conf, $num);
$zip_file->addFile("{$this->prepare_dir}/$input_file_name", "$input_file_name");
}
}
$n_output_files = 0;
for ($num = 1; $num <= $n_tests; $num++) {
$output_file_id = getUOJConfVal($this->problem_conf, ["output_file_id_{$num}", "output_file_id"], "$num");
if (!validateUInt($output_file_id) || $output_file_id < 0 || $output_file_id > $n_tests) {
throw new UOJProblemConfException("output_file_id/output_file_id_{$num} must be in [1, n_tests]");
}
$n_output_files = max($n_output_files, $output_file_id);
}
for ($num = 1; $num <= $n_output_files; $num++) {
$output_file_name = getUOJProblemOutputFileName($this->problem_conf, $num);
$this->requirement[] = ['name' => "output$num", 'type' => 'text', 'file_name' => $output_file_name];
}
} else {
$n_ex_tests = getUOJConfVal($this->problem_conf, 'n_ex_tests', 0);
if (!validateUInt($n_ex_tests) || $n_ex_tests < 0) {
throw new UOJProblemConfException('n_ex_tests must be a non-negative integer. Current value: ' . HTML::escape($n_ex_tests));
}
for ($num = 1; $num <= $n_ex_tests; $num++) {
$input_file_name = getUOJProblemExtraInputFileName($this->problem_conf, $num);
$output_file_name = getUOJProblemExtraOutputFileName($this->problem_conf, $num);
$this->copy_file_to_prepare($input_file_name);
$this->copy_file_to_prepare($output_file_name);
}
if ($this->problem->info['hackable']) {
$this->copy_source_code_to_prepare('std');
if (isset($this->problem_conf['with_implementer']) && $this->problem_conf['with_implementer'] == 'on') {
$this->compile_at_prepare('std', [
'implementer' => 'implementer',
'path' => 'require'
]);
} else {
$this->compile_at_prepare('std');
}
$this->copy_source_code_to_prepare('val');
$this->compile_at_prepare('val', ['need_include_header' => true]);
}
if ($this->check_conf_on('interaction_mode')) {
$this->copy_source_code_to_prepare('interactor');
$this->compile_at_prepare('interactor', ['need_include_header' => true]);
}
$n_sample_tests = getUOJConfVal($this->problem_conf, 'n_sample_tests', $n_tests);
if (!validateUInt($n_sample_tests) || $n_sample_tests < 0) {
throw new UOJProblemConfException('n_sample_tests must be a non-negative integer. Current value: ' . HTML::escape($n_sample_tests));
}
if ($n_sample_tests > $n_ex_tests) {
throw new UOJProblemConfException("n_sample_tests can't be greater than n_ex_tests");
}
if (!isset($this->problem_extra_config['dont_download_sample'])) {
for ($num = 1; $num <= $n_sample_tests; $num++) {
$input_file_name = getUOJProblemExtraInputFileName($this->problem_conf, $num);
$output_file_name = getUOJProblemExtraOutputFileName($this->problem_conf, $num);
$zip_file->addFile("{$this->prepare_dir}/{$input_file_name}", "$input_file_name");
if (!isset($this->problem_extra_config['dont_download_sample_output'])) {
$zip_file->addFile("{$this->prepare_dir}/{$output_file_name}", "$output_file_name");
}
}
}
$this->requirement[] = ['name' => 'answer', 'type' => 'source code', 'file_name' => 'answer.code'];
}
} else {
if ($this->user !== 'root' && !isSuperUser($this->user)) {
throw new UOJProblemConfException("use_builtin_judger must be on.");
} else {
foreach ($this->allow_files as $file_name => $file_num) {
$this->copy_to_prepare($file_name);
}
$this->makefile_at_prepare();
$this->requirement[] = ['name' => 'answer', 'type' => 'source code', 'file_name' => 'answer.code'];
}
}
putUOJConf("{$this->prepare_dir}/problem.conf", $this->final_problem_conf);
if (isset($this->allow_files['download']) && is_dir("{$this->upload_dir}/download")) {
$download_dir = "{$this->upload_dir}/download";
foreach (FS::scandir_r($download_dir) as $file_name) {
if (is_file("{$download_dir}/{$file_name}")) {
$zip_file->addFile("{$download_dir}/{$file_name}", $file_name);
}
}
}
$zip_file->close();
$orig_requirement = $this->problem->getSubmissionRequirement();
if (!$orig_requirement) {
DB::update([
"update problems",
"set", ["submission_requirement" => json_encode($this->requirement)],
"where", ["id" => $this->id]
]);
}
UOJSystemUpdate::updateProblemInternally($this->problem, [
'text' => 'sync',
'requestor' => Auth::check() ? Auth::id() : null
]);
} catch (Exception $e) {
$this->remove_prepare_folder();
return $e->getMessage();
}
UOJLocalRun::exec(['rm', $this->data_dir, '-r']);
rename($this->prepare_dir, $this->data_dir);
UOJLocalRun::execAnd([
['cd', '/var/uoj_data'],
['zip', "{$this->id}.next.zip", $this->id, '-r', '-q'],
['mv', "{$this->id}.next.zip", "{$this->id}.zip", '-f'],
]);
return '';
}
public function sync() {
return $this->lock(LOCK_EX, fn () => $this->_sync());
}
}