problem.conf : $message");
}
}
class UOJFileNotFoundException extends Exception {
public function __construct($file_name) {
parent::__construct("file " . htmlspecialchars($file_name) . ' not found');
}
}
function dataClearProblemData($problem) {
$id = $problem['id'];
if (!validateUInt($id)) {
error_log("dataClearProblemData: hacker detected");
return "invalid problem id";
}
exec("rm /var/uoj_data/upload/$id -r");
exec("rm /var/uoj_data/$id -r");
dataNewProblem($id);
}
class SyncProblemDataHandler {
private $problem, $user;
private $upload_dir, $data_dir, $prepare_dir;
private $requirement, $problem_extra_config;
private $problem_conf, $final_problem_conf;
private $allow_files;
public function __construct($problem, $user) {
$this->problem = $problem;
$this->user = $user;
}
private function check_conf_on($name) {
return isset($this->problem_conf[$name]) && $this->problem_conf[$name] == 'on';
}
private function copy_to_prepare($file_name) {
global $uojMainJudgerWorkPath;
if (!isset($this->allow_files[$file_name])) {
throw new UOJFileNotFoundException($file_name);
}
$src = escapeshellarg("{$this->upload_dir}/$file_name");
$dest = escapeshellarg("{$this->prepare_dir}/$file_name");
if (isset($this->problem_extra_config['dont_use_formatter']) || !is_file("{$this->upload_dir}/$file_name")) {
exec("cp $src $dest -r", $output, $ret);
} else {
exec("$uojMainJudgerWorkPath/run/formatter <$src >$dest", $output, $ret);
}
if ($ret) {
throw new UOJFileNotFoundException($file_name);
}
}
private function copy_file_to_prepare($file_name) {
global $uojMainJudgerWorkPath;
if (!isset($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 compile_at_prepare($name, $config = array()) {
global $uojMainJudgerWorkPath;
$include_path = "$uojMainJudgerWorkPath/include";
if (!isset($config['src'])) {
$config['src'] = "$name.cpp";
}
if (isset($config['path'])) {
exec("mv {$this->prepare_dir}/$name.cpp {$this->prepare_dir}/{$config['path']}/$name.cpp");
$work_path = "{$this->prepare_dir}/{$config['path']}";
} else {
$work_path = $this->prepare_dir;
}
$cmd_prefix = "$uojMainJudgerWorkPath/run/run_program >{$this->prepare_dir}/run_compiler_result.txt --in=/dev/null --out=stderr --err={$this->prepare_dir}/compiler_result.txt --tl=10 --ml=512 --ol=64 --type=compiler --work-path={$work_path}";
if (isset($config['need_include_header']) && $config['need_include_header']) {
exec("$cmd_prefix --add-readable-raw=$include_path/ /usr/bin/g++ -o $name {$config['src']} -I$include_path -lm -O2 -DONLINE_JUDGE");
} else {
exec("$cmd_prefix /usr/bin/g++ -o $name {$config['src']} -lm -O2 -DONLINE_JUDGE");
}
$fp = fopen("{$this->prepare_dir}/run_compiler_result.txt", "r");
if (fscanf($fp, '%d %d %d %d', $rs, $used_time, $used_memory, $exit_code) != 4) {
$rs = 7;
}
fclose($fp);
unlink("{$this->prepare_dir}/run_compiler_result.txt");
if ($rs != 0 || $exit_code != 0) {
if ($rs == 0) {
throw new Exception("$name : compile error\n" . uojFilePreview("{$this->prepare_dir}/compiler_result.txt", 100) . "\n");
} elseif ($rs == 7) {
throw new Exception("$name : compile error. No comment");
} else {
throw new Exception("$name : compile error. Compiler " . judgerCodeStr($rs));
}
}
unlink("{$this->prepare_dir}/compiler_result.txt");
if (isset($config['path'])) {
exec("mv {$this->prepare_dir}/{$config['path']}/$name.cpp {$this->prepare_dir}/$name.cpp");
exec("mv {$this->prepare_dir}/{$config['path']}/$name {$this->prepare_dir}/$name");
}
}
private function makefile_at_prepare() {
global $uojMainJudgerWorkPath;
$include_path = "$uojMainJudgerWorkPath/include";
$cmd_prefix = "$uojMainJudgerWorkPath/run/run_program >{$this->prepare_dir}/run_makefile_result.txt --in=/dev/null --out=stderr --err={$this->prepare_dir}/makefile_result.txt --tl=10 --ml=512 --ol=64 --type=compiler --work-path={$this->prepare_dir}";
exec("$cmd_prefix --add-readable-raw=$include_path/ /usr/bin/make INCLUDE_PATH=$include_path");
$fp = fopen("{$this->prepare_dir}/run_makefile_result.txt", "r");
if (fscanf($fp, '%d %d %d %d', $rs, $used_time, $used_memory, $exit_code) != 4) {
$rs = 7;
}
fclose($fp);
unlink("{$this->prepare_dir}/run_makefile_result.txt");
if ($rs != 0 || $exit_code != 0) {
if ($rs == 0) {
throw new Exception("Makefile : compile error\n" . uojFilePreview("{$this->prepare_dir}/makefile_result.txt", 100) . "\n");
} elseif ($rs == 7) {
throw new Exception("Makefile : compile error. No comment");
} else {
throw new Exception("Makefile : compile error. Compiler " . judgerCodeStr($rs));
}
}
unlink("{$this->prepare_dir}/makefile_result.txt");
}
public function handle() {
$id = $this->problem['id'];
if (!validateUInt($id)) {
error_log("dataSyncProblemData: hacker detected");
return "invalid problem id";
}
$this->upload_dir = "/var/uoj_data/upload/$id";
$this->data_dir = "/var/uoj_data/$id";
$this->prepare_dir = "/var/uoj_data/prepare_$id";
if (file_exists($this->prepare_dir)) {
return "please wait until the last sync finish";
}
try {
$this->requirement = array();
$this->problem_extra_config = json_decode($this->problem['extra_config'], true);
mkdir($this->prepare_dir, 0755);
if (!is_file("{$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");
}
$this->allow_files = array_flip(array_filter(scandir($this->upload_dir), function($x){return $x !== '.' && $x !== '..';}));
$zip_file = new ZipArchive();
if ($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")) {
$this->copy_to_prepare('require');
}
if ($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}$/', $this->problem_conf['use_builtin_checker'])) {
throw new Exception("" . htmlspecialchars($this->problem_conf['use_builtin_checker']) . " is not a valid checker");
}
} else {
$this->copy_file_to_prepare('chk.cpp');
$this->compile_at_prepare('chk', array('need_include_header' => true));
}
}
if ($this->check_conf_on('submit_answer')) {
if ($this->problem['hackable']) {
throw new UOJProblemConfException("the problem can't be hackable if submit_answer is on");
}
for ($num = 1; $num <= $n_tests; $num++) {
$input_file_name = getUOJProblemInputFileName($this->problem_conf, $num);
$output_file_name = getUOJProblemOutputFileName($this->problem_conf, $num);
if (!isset($this->problem_extra_config['dont_download_input'])) {
$zip_file->addFile("{$this->prepare_dir}/$input_file_name", "$input_file_name");
}
$this->requirement[] = array('name' => "output$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) || $n_ex_tests < 0) {
throw new UOJProblemConfException("n_ex_tests must be a non-nagative integer");
}
for ($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['hackable']) {
$this->copy_file_to_prepare('std.cpp');
if (isset($this->problem_conf['with_implementer']) && $this->problem_conf['with_implementer'] == 'on') {
$this->compile_at_prepare('std',
array(
'src' => 'implementer.cpp std.cpp',
'path' => 'require'
)
);
} else {
$this->compile_at_prepare('std');
}
$this->copy_file_to_prepare('val.cpp');
$this->compile_at_prepare('val', array('need_include_header' => true));
}
if ($this->check_conf_on('interaction_mode')) {
$this->copy_file_to_prepare('interactor.cpp');
$this->compile_at_prepare('interactor', array('need_include_header' => true));
}
$n_sample_tests = getUOJConfVal($this->problem_conf, 'n_sample_tests', $n_tests);
if (!validateUInt($n_sample_tests) || $n_sample_tests < 0) {
throw new UOJProblemConfException("n_sample_tests must be a non-nagative integer");
}
if ($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");
}
}
}
$this->requirement[] = array('name' => 'answer', 'type' => 'source code', 'file_name' => 'answer.code');
}
} else {
if (!isSuperUser($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();
$this->requirement[] = array('name' => 'answer', 'type' => 'source code', 'file_name' => 'answer.code');
}
}
putUOJConf("{$this->prepare_dir}/problem.conf", $this->final_problem_conf);
if (isset($this->allow_files['download']) && is_dir("{$this->upload_dir}/download")) {
foreach (scandir("{$this->upload_dir}/download") as $file_name) {
if (is_file("{$this->upload_dir}/download/{$file_name}")) {
$zip_file->addFile("{$this->upload_dir}/download/{$file_name}", $file_name);
}
}
}
$zip_file->close();
$orig_requirement = json_decode($this->problem['submission_requirement'], true);
if (!$orig_requirement) {
$esc_requirement = DB::escape(json_encode($this->requirement));
DB::update("update problems set submission_requirement = '$esc_requirement' where id = $id");
}
} catch (Exception $e) {
exec("rm {$this->prepare_dir} -r");
return $e->getMessage();
}
exec("rm {$this->data_dir} -r");
rename($this->prepare_dir, $this->data_dir);
exec("cd /var/uoj_data; rm $id.zip; zip $id.zip $id -r -q");
return '';
}
}
function dataSyncProblemData($problem, $user = null) {
return (new SyncProblemDataHandler($problem, $user))->handle();
}
function dataAddExtraTest($problem, $input_file_name, $output_file_name) {
$id = $problem['id'];
$cur_dir = "/var/uoj_data/upload/$id";
$problem_conf = getUOJConf("{$cur_dir}/problem.conf");
if ($problem_conf == -1 || $problem_conf == -2) {
return $problem_conf;
}
$problem_conf['n_ex_tests'] = getUOJConfVal($problem_conf, 'n_ex_tests', 0) + 1;
$new_input_name = getUOJProblemExtraInputFileName($problem_conf, $problem_conf['n_ex_tests']);
$new_output_name = getUOJProblemExtraOutputFileName($problem_conf, $problem_conf['n_ex_tests']);
putUOJConf("$cur_dir/problem.conf", $problem_conf);
move_uploaded_file($input_file_name, "$cur_dir/$new_input_name");
move_uploaded_file($output_file_name, "$cur_dir/$new_output_name");
if (dataSyncProblemData($problem) === '') {
rejudgeProblemAC($problem);
} else {
error_log('hack successfully but sync failed.');
}
}
?>