mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-23 04:38:42 +00:00
360 lines
14 KiB
PHP
360 lines
14 KiB
PHP
<?php
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// Actually, these things should be done by main_judger so that the code would be much simpler.
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// However, this lib exists due to some history issues.
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function dataNewProblem($id) {
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mkdir("/var/uoj_data/upload/$id");
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mkdir("/var/uoj_data/$id");
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exec("cd /var/uoj_data; rm $id.zip; zip $id.zip $id -r -q");
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}
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class UOJProblemConfException extends Exception {
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public function __construct($message) {
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parent::__construct("<strong>problem.conf</strong> : $message");
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}
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}
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class UOJFileNotFoundException extends Exception {
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public function __construct($file_name) {
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parent::__construct("file <strong>" . htmlspecialchars($file_name) . '</strong> not found');
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}
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}
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function dataClearProblemData($problem) {
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$id = $problem['id'];
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if (!validateUInt($id)) {
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error_log("dataClearProblemData: hacker detected");
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return "invalid problem id";
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}
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exec("rm /var/uoj_data/upload/$id -r");
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exec("rm /var/uoj_data/$id -r");
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dataNewProblem($id);
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}
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class SyncProblemDataHandler {
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private $problem, $user;
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private $upload_dir, $data_dir, $prepare_dir;
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private $requirement, $problem_extra_config;
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private $problem_conf, $final_problem_conf;
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private $allow_files;
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public function __construct($problem, $user) {
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$this->problem = $problem;
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$this->user = $user;
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}
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private function check_conf_on($name) {
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return isset($this->problem_conf[$name]) && $this->problem_conf[$name] == 'on';
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}
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private function copy_to_prepare($file_name) {
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global $uojMainJudgerWorkPath;
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if (!isset($this->allow_files[$file_name])) {
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throw new UOJFileNotFoundException($file_name);
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}
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$src = escapeshellarg("{$this->upload_dir}/$file_name");
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$dest = escapeshellarg("{$this->prepare_dir}/$file_name");
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if (isset($this->problem_extra_config['dont_use_formatter']) || !is_file("{$this->upload_dir}/$file_name")) {
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exec("cp $src $dest -r", $output, $ret);
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} else {
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exec("$uojMainJudgerWorkPath/run/formatter <$src >$dest", $output, $ret);
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}
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if ($ret) {
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throw new UOJFileNotFoundException($file_name);
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}
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}
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private function copy_file_to_prepare($file_name) {
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global $uojMainJudgerWorkPath;
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if (!isset($this->allow_files[$file_name]) || !is_file("{$this->upload_dir}/$file_name")) {
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throw new UOJFileNotFoundException($file_name);
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}
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$this->copy_to_prepare($file_name);
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}
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private function compile_at_prepare($name, $config = array()) {
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global $uojMainJudgerWorkPath;
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$include_path = "$uojMainJudgerWorkPath/include";
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if (!isset($config['src'])) {
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$config['src'] = "$name.cpp";
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}
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if (isset($config['path'])) {
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exec("mv {$this->prepare_dir}/$name.cpp {$this->prepare_dir}/{$config['path']}/$name.cpp");
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$work_path = "{$this->prepare_dir}/{$config['path']}";
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} else {
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$work_path = $this->prepare_dir;
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}
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$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}";
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if (isset($config['need_include_header']) && $config['need_include_header']) {
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exec("$cmd_prefix --add-readable-raw=$include_path/ /usr/bin/g++ -o $name {$config['src']} -I$include_path -lm -O2 -DONLINE_JUDGE");
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} else {
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exec("$cmd_prefix /usr/bin/g++ -o $name {$config['src']} -lm -O2 -DONLINE_JUDGE");
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}
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$fp = fopen("{$this->prepare_dir}/run_compiler_result.txt", "r");
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if (fscanf($fp, '%d %d %d %d', $rs, $used_time, $used_memory, $exit_code) != 4) {
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$rs = 7;
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}
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fclose($fp);
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unlink("{$this->prepare_dir}/run_compiler_result.txt");
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if ($rs != 0 || $exit_code != 0) {
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if ($rs == 0) {
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throw new Exception("<strong>$name</strong> : compile error<pre>\n" . uojFilePreview("{$this->prepare_dir}/compiler_result.txt", 100) . "\n</pre>");
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} elseif ($rs == 7) {
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throw new Exception("<strong>$name</strong> : compile error. No comment");
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} else {
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throw new Exception("<strong>$name</strong> : compile error. Compiler " . judgerCodeStr($rs));
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}
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}
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unlink("{$this->prepare_dir}/compiler_result.txt");
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if (isset($config['path'])) {
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exec("mv {$this->prepare_dir}/{$config['path']}/$name.cpp {$this->prepare_dir}/$name.cpp");
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exec("mv {$this->prepare_dir}/{$config['path']}/$name {$this->prepare_dir}/$name");
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}
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}
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private function makefile_at_prepare() {
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global $uojMainJudgerWorkPath;
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$include_path = "$uojMainJudgerWorkPath/include";
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$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}";
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exec("$cmd_prefix --add-readable-raw=$include_path/ /usr/bin/make INCLUDE_PATH=$include_path");
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$fp = fopen("{$this->prepare_dir}/run_makefile_result.txt", "r");
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if (fscanf($fp, '%d %d %d %d', $rs, $used_time, $used_memory, $exit_code) != 4) {
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$rs = 7;
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}
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fclose($fp);
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unlink("{$this->prepare_dir}/run_makefile_result.txt");
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if ($rs != 0 || $exit_code != 0) {
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if ($rs == 0) {
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throw new Exception("<strong>Makefile</strong> : compile error<pre>\n" . uojFilePreview("{$this->prepare_dir}/makefile_result.txt", 100) . "\n</pre>");
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} elseif ($rs == 7) {
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throw new Exception("<strong>Makefile</strong> : compile error. No comment");
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} else {
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throw new Exception("<strong>Makefile</strong> : compile error. Compiler " . judgerCodeStr($rs));
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}
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}
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unlink("{$this->prepare_dir}/makefile_result.txt");
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}
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public function handle() {
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$id = $this->problem['id'];
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if (!validateUInt($id)) {
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error_log("dataSyncProblemData: hacker detected");
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return "invalid problem id";
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}
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$this->upload_dir = "/var/uoj_data/upload/$id";
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$this->data_dir = "/var/uoj_data/$id";
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$this->prepare_dir = "/var/uoj_data/prepare_$id";
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if (file_exists($this->prepare_dir)) {
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return "please wait until the last sync finish";
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}
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try {
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$this->requirement = array();
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$this->problem_extra_config = json_decode($this->problem['extra_config'], true);
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mkdir($this->prepare_dir, 0755);
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if (!is_file("{$this->upload_dir}/problem.conf")) {
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throw new UOJFileNotFoundException("problem.conf");
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}
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$this->problem_conf = getUOJConf("{$this->upload_dir}/problem.conf");
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$this->final_problem_conf = $this->problem_conf;
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if ($this->problem_conf === -1) {
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throw new UOJFileNotFoundException("problem.conf");
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} elseif ($this->problem_conf === -2) {
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throw new UOJProblemConfException("syntax error");
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}
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$this->allow_files = array_flip(array_filter(scandir($this->upload_dir), function($x) {
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return $x !== '.' && $x !== '..';
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}));
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$zip_file = new ZipArchive();
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if ($zip_file->open("{$this->prepare_dir}/download.zip", ZipArchive::CREATE) !== true) {
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throw new Exception("<strong>download.zip</strong> : failed to create the zip file");
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}
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if (isset($this->allow_files['require']) && is_dir("{$this->upload_dir}/require")) {
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$this->copy_to_prepare('require');
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}
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if ($this->check_conf_on('use_builtin_judger')) {
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$n_tests = getUOJConfVal($this->problem_conf, 'n_tests', 10);
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if (!validateUInt($n_tests) || $n_tests <= 0) {
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throw new UOJProblemConfException("n_tests must be a positive integer");
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}
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for ($num = 1; $num <= $n_tests; $num++) {
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$input_file_name = getUOJProblemInputFileName($this->problem_conf, $num);
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$output_file_name = getUOJProblemOutputFileName($this->problem_conf, $num);
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$this->copy_file_to_prepare($input_file_name);
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$this->copy_file_to_prepare($output_file_name);
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}
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if (!$this->check_conf_on('interaction_mode')) {
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if (isset($this->problem_conf['use_builtin_checker'])) {
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if (!preg_match('/^[a-zA-Z0-9_]{1,20}$/', $this->problem_conf['use_builtin_checker'])) {
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throw new Exception("<strong>" . htmlspecialchars($this->problem_conf['use_builtin_checker']) . "</strong> is not a valid checker");
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}
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} else {
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$this->copy_file_to_prepare('chk.cpp');
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$this->compile_at_prepare('chk', array('need_include_header' => true));
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}
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}
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if ($this->check_conf_on('submit_answer')) {
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if ($this->problem['hackable']) {
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throw new UOJProblemConfException("the problem can't be hackable if submit_answer is on");
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}
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for ($num = 1; $num <= $n_tests; $num++) {
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$input_file_name = getUOJProblemInputFileName($this->problem_conf, $num);
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$output_file_name = getUOJProblemOutputFileName($this->problem_conf, $num);
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if (!isset($this->problem_extra_config['dont_download_input'])) {
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$zip_file->addFile("{$this->prepare_dir}/$input_file_name", "$input_file_name");
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}
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$this->requirement[] = array('name' => "output$num", 'type' => 'text', 'file_name' => $output_file_name);
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}
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} else {
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$n_ex_tests = getUOJConfVal($this->problem_conf, 'n_ex_tests', 0);
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if (!validateUInt($n_ex_tests) || $n_ex_tests < 0) {
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throw new UOJProblemConfException("n_ex_tests must be a non-negative integer");
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}
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for ($num = 1; $num <= $n_ex_tests; $num++) {
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$input_file_name = getUOJProblemExtraInputFileName($this->problem_conf, $num);
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$output_file_name = getUOJProblemExtraOutputFileName($this->problem_conf, $num);
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$this->copy_file_to_prepare($input_file_name);
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$this->copy_file_to_prepare($output_file_name);
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}
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if ($this->problem['hackable']) {
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$this->copy_file_to_prepare('std.cpp');
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if (isset($this->problem_conf['with_implementer']) && $this->problem_conf['with_implementer'] == 'on') {
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$this->compile_at_prepare('std',
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array(
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'src' => 'implementer.cpp std.cpp',
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'path' => 'require'
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)
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);
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} else {
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$this->compile_at_prepare('std');
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}
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$this->copy_file_to_prepare('val.cpp');
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$this->compile_at_prepare('val', array('need_include_header' => true));
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}
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if ($this->check_conf_on('interaction_mode')) {
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$this->copy_file_to_prepare('interactor.cpp');
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$this->compile_at_prepare('interactor', array('need_include_header' => true));
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}
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$n_sample_tests = getUOJConfVal($this->problem_conf, 'n_sample_tests', $n_tests);
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if (!validateUInt($n_sample_tests) || $n_sample_tests < 0) {
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throw new UOJProblemConfException("n_sample_tests must be a non-negative integer");
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}
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if ($n_sample_tests > $n_ex_tests) {
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throw new UOJProblemConfException("n_sample_tests can't be greater than n_ex_tests");
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}
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if (!isset($this->problem_extra_config['dont_download_sample'])) {
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for ($num = 1; $num <= $n_sample_tests; $num++) {
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$input_file_name = getUOJProblemExtraInputFileName($this->problem_conf, $num);
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$output_file_name = getUOJProblemExtraOutputFileName($this->problem_conf, $num);
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$zip_file->addFile("{$this->prepare_dir}/{$input_file_name}", "$input_file_name");
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if (!isset($this->problem_extra_config['dont_download_sample_output'])) {
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$zip_file->addFile("{$this->prepare_dir}/{$output_file_name}", "$output_file_name");
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}
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}
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}
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$this->requirement[] = array('name' => 'answer', 'type' => 'source code', 'file_name' => 'answer.code');
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}
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} else {
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if (!isSuperUser($this->user)) {
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throw new UOJProblemConfException("use_builtin_judger must be on.");
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} else {
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foreach ($this->allow_files as $file_name => $file_num) {
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$this->copy_to_prepare($file_name);
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}
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$this->makefile_at_prepare();
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$this->requirement[] = array('name' => 'answer', 'type' => 'source code', 'file_name' => 'answer.code');
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}
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}
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putUOJConf("{$this->prepare_dir}/problem.conf", $this->final_problem_conf);
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if (isset($this->allow_files['download']) && is_dir("{$this->upload_dir}/download")) {
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foreach (scandir("{$this->upload_dir}/download") as $file_name) {
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if (is_file("{$this->upload_dir}/download/{$file_name}")) {
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$zip_file->addFile("{$this->upload_dir}/download/{$file_name}", $file_name);
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}
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}
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}
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$zip_file->close();
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$orig_requirement = json_decode($this->problem['submission_requirement'], true);
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if (!$orig_requirement) {
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$esc_requirement = DB::escape(json_encode($this->requirement));
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DB::update("update problems set submission_requirement = '$esc_requirement' where id = $id");
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}
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} catch (Exception $e) {
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exec("rm {$this->prepare_dir} -r");
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return $e->getMessage();
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}
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exec("rm {$this->data_dir} -r");
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rename($this->prepare_dir, $this->data_dir);
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exec("cd /var/uoj_data; rm $id.zip; zip $id.zip $id -r -q");
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return '';
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}
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}
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function dataSyncProblemData($problem, $user = null) {
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return (new SyncProblemDataHandler($problem, $user))->handle();
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}
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function dataAddExtraTest($problem, $input_file_name, $output_file_name) {
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$id = $problem['id'];
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$cur_dir = "/var/uoj_data/upload/$id";
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$problem_conf = getUOJConf("{$cur_dir}/problem.conf");
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if ($problem_conf == -1 || $problem_conf == -2) {
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return $problem_conf;
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}
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$problem_conf['n_ex_tests'] = getUOJConfVal($problem_conf, 'n_ex_tests', 0) + 1;
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$new_input_name = getUOJProblemExtraInputFileName($problem_conf, $problem_conf['n_ex_tests']);
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$new_output_name = getUOJProblemExtraOutputFileName($problem_conf, $problem_conf['n_ex_tests']);
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putUOJConf("$cur_dir/problem.conf", $problem_conf);
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move_uploaded_file($input_file_name, "$cur_dir/$new_input_name");
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move_uploaded_file($output_file_name, "$cur_dir/$new_output_name");
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if (dataSyncProblemData($problem) === '') {
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rejudgeProblemAC($problem);
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} else {
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error_log('hack successfully but sync failed.');
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}
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}
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?>
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