function processAdjustUserDataRequest($request)
{
$prfx = DB_PREFIX;
$user_row = RequestUtils::testSession($request->sessionID);
$adjust_user_id = $request->userID;
$adjust_user_row = Data::getRow(sprintf("SELECT * FROM {$prfx}user WHERE id=%s", Data::quote_smart($adjust_user_id)));
if (!$adjust_user_row) {
throwBusinessLogicError(2);
}
if ($user_row['user_type'] === 'Participant') {
throwBusinessLogicError(0);
}
if ($user_row['user_type'] === 'ContestAdmin' && $user_row['contest_id'] != $adjust_user_row['contest_id']) {
throwBusinessLogicError(0);
}
$queries = array();
if (!is_null($request->login)) {
$queries['login'] = $request->login;
}
if (!is_null($request->password)) {
$queries['password'] = $request->password;
}
if (!is_null($request->userData)) {
$queries['user_data'] = @serialize($request->userData);
}
if (!is_null($request->newType)) {
$queries['user_type'] = $request->newType;
}
$q = Data::composeUpdateQuery("user", $queries, sprintf("id=%s", Data::quote_smart($adjust_user_id)));
Data::submitModificationQuery($q);
return new AcceptedResponse();
}
function queryForContestDescription($contest_description, $contest_id)
{
//get current contest settings
$prfx = DB_PREFIX;
$row = Data::getRow("SELECT settings FROM {$prfx}contest WHERE id={$contest_id}");
$settings = Data::_unserialize($row['settings']);
copyValues($contest_description, $settings);
RequestUtils::assertContestSettingsIntegrity($settings);
$col_value = array('settings' => @serialize($settings));
Data::submitModificationQuery(Data::composeUpdateQuery("contest", $col_value, "id={$contest_id}"));
}
function processDisconnectRequest($request)
{
$prfx = DB_PREFIX;
$where = sprintf("WHERE session_id = %s", Data::quote_smart($request->sessionID));
//TODO think how to implement this more efficient in our architecture
if (!Data::getRow("SELECT * FROM {$prfx}session {$where}")) {
throwBusinessLogicError(3);
}
Data::submitModificationQuery("DELETE FROM {$prfx}session {$where}");
return new AcceptedResponse();
}
function processAdjustPluginRequest($request)
{
$prfx = DB_PREFIX;
$user_row = RequestUtils::testSession($request->sessionID);
//authorize
if ($user_row['user_type'] !== 'SuperAdmin') {
throwBusinessLogicError(0);
}
//test plugin alias
if (preg_match('/^[\\p{L}0-9 ]+$/', $request->pluginAlias) === 0) {
throwBusinessLogicError(238);
}
$plugin_type = $request->side === 'Client' ? 'client' : 'server';
//test if there already is such plugin
$where_clause = sprintf("alias=%s", Data::quote_smart($request->pluginAlias));
$plugin_row = Data::getRow("SELECT * FROM {$prfx}{$plugin_type}_plugin WHERE {$where_clause}");
if ($plugin_row) {
$modify = true;
} else {
$modify = false;
}
//test all parameters specified
if (!$modify && is_null($request->description)) {
$request->description = "";
}
if (!$modify && (is_null($request->pluginData) || is_null($request->description))) {
throwBusinessLogicError(1);
}
//TODO test pluginAlias to be secure
if ($plugin_type === 'client') {
$ext = '.jar';
} else {
$ext = '.php';
}
//set file data
if (!is_null($request->pluginData)) {
file_put_contents($GLOBALS["dces_dir_{$plugin_type}_plugins"] . '/' . $request->pluginAlias . $ext, $request->pluginData);
}
//prepare set plugin description
$col_value = array();
if (!is_null($request->description)) {
$col_value['description'] = $request->description;
}
if ($modify) {
$query = Data::composeUpdateQuery("{$plugin_type}_plugin", $col_value, $where_clause);
} else {
$col_value['alias'] = $request->pluginAlias;
$query = Data::composeInsertQuery("{$plugin_type}_plugin", $col_value);
}
Data::submitModificationQuery($query);
return new AcceptedResponse();
}
function processConnectToContestRequest($request)
{
$prfx = DB_PREFIX;
//find user in table
$row = Data::getRow(sprintf("SELECT {$prfx}user.*, {$prfx}contest.settings\r\n FROM {$prfx}user\r\n LEFT JOIN {$prfx}contest\r\n ON {$prfx}user.contest_id = {$prfx}contest.id\r\n WHERE login=%s AND contest_id=%s", Data::quote_smart($request->login), Data::quote_smart($request->contestID)));
//test if there is at least one user
if (!$row) {
throwBusinessLogicError(12);
}
//test password
if ($row['password'] !== $request->password) {
throwBusinessLogicError(12);
}
//get contest settings and contest time
$settings = Data::_unserialize($row['settings'], null);
if (is_null($row['contest_start'])) {
$now = getdate();
$now = $now[0];
$q = Data::composeUpdateQuery('user', array('contest_start' => DatePHPToMySQL($now)), "id={$row['id']}");
Data::submitModificationQuery($q);
$row['contest_start'] = $now;
}
$contest_time = getCurrentContestTime($settings, DateMySQLToPHP($row['contest_start']), DateMySQLToPHP($row['contest_finish']));
if ($contest_time['interval'] === 'before' && $row['user_type'] === 'Participant') {
throwBusinessLogicError(19);
}
//start new session
$session_id = RequestUtils::createSession($row['id']);
//get finish time
if (is_null($settings)) {
$finish_time = 0;
} elseif ($settings->contestTiming->selfContestStart) {
$finish_time = $row['contest_start'] + 60 * $settings->contestTiming->maxContestDuration;
} else {
$finish_time = $settings->finish;
}
if (is_null($finish_time)) {
$finish_time = 0;
}
$res = new ConnectToContestResponse();
$res->sessionID = $session_id;
$res->finishTime = $finish_time;
$res->user = new UserDescription();
$res->user->userID = (int) $row['id'];
$res->user->login = $request->login;
$res->user->dataValue = Data::_unserialize($row['user_data'], array());
$res->user->userType = $row['user_type'];
return $res;
}
/**
* Updates user result for a specified problem
* @static
* @param $user_id id of the user
* @param $problem_id id of the problem
* @param $choice type of choice, Self of Last
* @param $transfer_settings settings of transfer
* @param $plugin plugin associated with the problem, needed only when $choice == Best to find best submission
* @param $last_result last result of user if present
* @return array array with results for results table
*/
public static function getUserResults($user_id, $problem_id, $choice, $transfer_settings, $plugin, $last_result = null)
{
$prfx = DB_PREFIX;
//get new result
$all_results_request = "\n SELECT result, submission_time\n FROM {$prfx}submission_history\n WHERE user_id={$user_id}\n ORDER BY submission_time DESC\n ";
if ($choice === 'Last') {
if ($last_result) {
$new_result = $last_result;
} else {
//get all rows sorted with descending time, and then get first
$row = Data::getRow($all_results_request);
if (!$row) {
$new_result = array();
} else {
$new_result = Data::_unserialize($row['result']);
}
}
} else {
// $choice === 'Best'
$history_results = array();
if ($last_result) {
$history_results[] = $last_result;
}
$rows = Data::getRows($all_results_request);
while ($row = Data::getNextRow($rows)) {
$history_results[] = $row['result'];
}
$num_results = count($history_results);
if ($num_results == 0) {
$new_result = array();
} else {
$new_result = $history_results[$num_results - 1];
for ($i = $num_results - 2; $i >= 0; $i--) {
if ($plugin->compareResults($history_results[$i], $new_result) === 1) {
$new_result = $history_results[$i];
}
}
}
}
$transfer = new ResultsTransfer($transfer_settings);
return $transfer->convert($new_result);
}
public static function testSession($session_id)
{
//returns user id, dies absolutely if session is invalid
$prfx = DB_PREFIX;
//test session ID to have only alphanumeric characters
$session_regexp = "^[a-zA-Z0-9_]+\$";
if (!ereg($session_regexp, $session_id)) {
throwBusinessLogicError(3);
}
//test if there is at least one such user
$user_row = Data::getRow("SELECT {$prfx}user.*, {$prfx}contest.settings\r\n FROM {$prfx}session\r\n INNER JOIN {$prfx}user\r\n ON {$prfx}session.user_id={$prfx}user.id\r\n LEFT JOIN {$prfx}contest\r\n ON {$prfx}user.contest_id={$prfx}contest.id\r\n WHERE session_id='{$session_id}'");
if (!$user_row) {
throwBusinessLogicError(3);
}
if (is_null($user_row['settings'])) {
$user_row['settings'] = serialize(null);
}
RequestUtils::$user_row = $user_row;
//return found user
return $user_row;
}
function processRemoveUserRequest($request)
{
$prfx = DB_PREFIX;
$user_row = RequestUtils::testSession($request->sessionID);
$remove_user_id = $request->userID;
$remove_user_row = Data::getRow(sprintf("SELECT *\r\n FROM {$prfx}user\r\n WHERE id=%s", Data::quote_smart($remove_user_id)));
if (!$remove_user_row) {
throwBusinessLogicError(2);
}
if ($user_row['user_type'] === 'Participant') {
throwBusinessLogicError(0);
}
if ($user_row['user_type'] === 'ContestAdmin' && $user_row['contest_id'] != $remove_user_row['contest_id']) {
throwBusinessLogicError(0);
}
//remove user $remove_user_id
$prfx = DB_PREFIX;
//from 'users' table
Data::submitModificationQuery(sprintf("DELETE FROM {$prfx}user WHERE id=%s", Data::quote_smart($remove_user_id)));
Data::submitModificationQuery(sprintf("DELETE FROM {$prfx}session WHERE user_id=%s", Data::quote_smart($remove_user_id)));
Data::submitModificationQuery(sprintf("DELETE FROM {$prfx}submission_history WHERE user_id=%s", Data::quote_smart($remove_user_id)));
Data::submitModificationQuery(sprintf("DELETE FROM {$prfx}problem_status WHERE user_id=%s", Data::quote_smart($remove_user_id)));
return new AcceptedResponse();
}
function processSubmitSolutionRequest($request)
{
$prfx = DB_PREFIX;
//get user_id or die, if session is invalid
$userRow = RequestUtils::testSession($request->sessionID);
$user_id = $userRow['id'];
//authorize user for this operation
// get contest ID
$user_type = $userRow['user_type'];
//get problem row
$problem_row = Data::getRow(sprintf("SELECT * FROM {$prfx}problem WHERE id=%s", Data::quote_smart($request->problemID)));
if (!$problem_row) {
throwBusinessLogicError(4);
}
//get contest id of a problem
$problem_contest_id = $problem_row['contest_id'];
//test if we have rights to submit solution for the contest
$contest_id = RequestUtils::getRequestedContest($problem_contest_id, $userRow['contest_id'], $user_type);
if ($contest_id < 0) {
throwBusinessLogicError(0);
}
//get all settings
$contest_settings = Data::_unserialize($userRow['settings']);
//test submission time
$cur_time = getCurrentContestTime($contest_settings, DateMySQLToPHP($userRow['contest_start']), DateMySQLToPHP($userRow['contest_finish']));
if ($cur_time['interval'] === 'before') {
throwBusinessLogicError(19);
}
if ($cur_time['interval'] === 'after') {
throwBusinessLogicError(20);
}
$problem_settings = Data::_unserialize($problem_row['contest_settings']);
//test that not all submission attempts were used
$hist = Data::getRow(sprintf("SELECT COUNT(*) AS cnt FROM {$prfx}submission_history WHERE (problem_id=%s) AND (user_id=%s)", Data::quote_smart($request->problemID), Data::quote_smart($user_id)));
if ($hist >= getSetting($contest_settings->problemsDefaultSettings->sendCount, $problem_settings->sendCount)) {
throwBusinessLogicError(21);
}
//save submission result in history
$cur_php_time = getdate();
$col_value = array();
$col_value['problem_id'] = $request->problemID;
$col_value['user_id'] = $user_id;
$col_value['submission'] = serialize($request->problemResult);
$col_value['result'] = null;
//serialize($check_result);
$col_value['submission_time'] = DatePHPToMySQL($cur_php_time[0]);
//TODO implement asynchronous plugin
//get problem and create plugin
$problem = new Problem(getProblemFile($request->problemID));
$plugin_alias = $problem->getServerPlugin();
require_once getServerPluginFile();
require_once getServerPluginFile($plugin_alias);
$plugin = new $plugin_alias($problem);
//check solution
$last_result = $plugin->checkSolution(Data::getInsertedID(), $request->problemResult);
$col_value['result'] = serialize($last_result);
Data::submitModificationQuery(Data::composeInsertQuery('submission_history', $col_value));
//get result for result table and store in user
$all_results = Data::_unserialize($userRow['results']);
$user_result = ResultUtils::getUserResults($user_id, $request->problemID, getSetting($contest_settings->problemsDefaultSettings->tableResultChoice, $problem_settings->tableResultChoice), getSetting($contest_settings->problemsDefaultSettings->resultTransition, $problem_settings->resultTransition), $plugin, $last_result);
//update user result for results table
$all_results[$request->problemID] = $user_result;
Data::submitModificationQuery(Data::composeUpdateQuery('user', array('results' => serialize($all_results)), 'id=' . Data::quote_smart($user_id)));
//return submission result
$res = new AcceptedResponse();
return $res;
}
function processGetContestDataRequest($request)
{
$prfx = DB_PREFIX;
$is_anonymous = is_null($request->sessionID);
if (!$is_anonymous) {
//get user_id or die, if session is invalid
$userRow = RequestUtils::testSession($request->sessionID);
$user_id = $userRow['id'];
//authorize user for this operation
// get contest ID
$user_type = $userRow['user_type'];
//compare requested contest and user contest
$contest_id = RequestUtils::getRequestedContest($request->contestID, $userRow['contest_id'], $user_type);
} else {
$contest_id = $request->contestID;
}
if ($contest_id <= 0) {
throwBusinessLogicError(0);
}
//create response
$res = new GetContestDataResponse();
//fill contest description with data
//query db
$row = Data::getRow(sprintf("SELECT * FROM {$prfx}contest WHERE id=%s", Data::quote_smart($contest_id))) or throwBusinessLogicError(14);
//TODO remove this code duplication, the code is similar to AvailableContests.php
$c = Data::_unserialize($row['settings']);
$c->contestID = (int) $row['id'];
$res->contest = $c;
//fill problem data
if ($is_anonymous) {
return $res;
}
//query db to find out problems
$problems_rows = Data::getRows(sprintf("SELECT * FROM {$prfx}problem WHERE contest_id=%s ORDER BY contest_pos ASC", Data::quote_smart($contest_id)));
//fill problems data
$res->problems = array();
$info_type = $request->infoType;
$extended_data = $request->extendedData;
while ($row = Data::getNextRow($problems_rows)) {
$pd = new ProblemDescription();
$res->problems[] = $pd;
$pd->id = (int) $row['id'];
$pd->settings = Data::_unserialize($row['contest_settings']);
//do we need any information
if ($info_type == 'NoInfo') {
continue;
}
//do we need to return some info for this problem
if (!is_null($extended_data) && !in_array($pd->id, $extended_data)) {
continue;
}
$problem = new Problem(getProblemFile($pd->id));
if ($info_type !== 'NoInfo') {
//fill extended data: statement or statementData and answerData
if ($info_type === "ParticipantInfo") {
$pd->problem = $problem->getParticipantVersion($user_id)->getProblemBytes();
} elseif ($info_type === "AdminInfo") {
if ($user_type === "Participant") {
throwBusinessLogicError(0);
}
$pd->problem = $problem->getProblemBytes();
}
}
}
return $res;
}
function processRegisterToContestRequest($request)
{
$prfx = DB_PREFIX;
//get user_id or die, if session is invalid
if (is_null($request->sessionID)) {
if (!is_numeric($request->contestID)) {
throwBusinessLogicError(14);
}
$contest_id = (int) $request->contestID;
$request_user_type = '__Anonymous';
} else {
$userRow = RequestUtils::testSession($request->sessionID);
$request_user_id = $userRow['id'];
$request_user_type = $userRow['user_type'];
$contest_id = RequestUtils::getRequestedContest($request->contestID, $userRow['contest_id'], $request_user_type);
//make possible for superadmin to register users of zero-contest
if ($request_user_type == 'SuperAdmin' && ($request->contestID == 0 || $request->contestID == -1)) {
$contest_id = 0;
}
if ($contest_id == -1) {
throwBusinessLogicError(0);
}
}
//test permissions
if ($contest_id != 0) {
$contest_row = Data::getRow(sprintf("SELECT * FROM {$prfx}contest WHERE id=%s", Data::quote_smart($contest_id))) or throwBusinessLogicError(14);
//test if this contest gets users only by admins
$contest_settings = @unserialize($contest_row['settings']);
if ($contest_settings->registrationType === 'ByAdmins') {
if ($request_user_type !== "ContestAdmin" && $request_user_type !== "SuperAdmin") {
throwBusinessLogicError(0);
}
}
} else {
if ($request_user_type !== "ContestAdmin") {
throwBusinessLogicError(0);
}
}
//get user from request
$u = $request->user;
//test that superadmins are registered only for 0 contest
if ($u->userType === 'SuperAdmin' && $contest_id != 0) {
throwBusinessLogicError(18);
}
//test that there is no user with the same login in this contest
if (Data::hasRows(sprintf("SELECT * FROM {$prfx}user WHERE contest_id=%s AND login=%s", Data::quote_smart($contest_id), Data::quote_smart($u->login)))) {
throwBusinessLogicError(14);
}
//not participants may be added only by admins
if ($u->userType !== "Participant") {
if ($request_user_type !== "ContestAdmin" && $request_user_type !== "SuperAdmin") {
throwBusinessLogicError(0);
}
}
//add user finally
$col_value = array();
$col_value['login'] = $u->login;
$col_value['password'] = $u->password;
$col_value['user_data'] = @serialize($u->dataValue);
$col_value['contest_id'] = $contest_id;
$col_value['user_type'] = $u->userType;
$col_value['results'] = @serialize(array());
if (strlen($u->login) == 0) {
throwBusinessLogicError(22);
}
if (week_password($u->password)) {
throwBusinessLogicError(23);
}
Data::submitModificationQuery(Data::composeInsertQuery('user', $col_value));
return new AcceptedResponse();
}
function processGetContestResultsRequest($request)
{
$prfx = DB_PREFIX;
//get $is_anonymous, $contest_id, $user_contest_row, $user_contest_start_time
if (!is_null($request->sessionID)) {
$is_anonymous = false;
$user_contest_row = RequestUtils::testSession($request->sessionID);
$contest_id = RequestUtils::getRequestedContest($request->contestID, $user_contest_row['contest_id'], $user_contest_row['user_type']);
if ($contest_id < 0) {
throwBusinessLogicError(14);
}
$user_contest_start_time = DateMySQLToPHP($user_contest_row['contest_start']);
$user_contest_finish_time = DateMySQLToPHP($user_contest_row['contest_finish']);
} else {
$is_anonymous = true;
$contest_id = $request->contestID;
$user_contest_start_time = null;
//contest was not started for anonymous
$user_contest_finish_time = null;
//and was not finished
}
//get $serialized_contest_settings
$need_request_for_contest_data = $is_anonymous || $user_contest_row['user_type'] === 'SuperAdmin';
if ($need_request_for_contest_data) {
if ($contest_id === 0) {
throwBusinessLogicError(14);
}
$contest_row = Data::getRow(sprintf("SELECT *\r\n FROM {$prfx}contest\r\n WHERE id=%s\r\n ", Data::quote_smart($contest_id)));
if (!$contest_row) {
throwBusinessLogicError(14);
}
$serialized_contest_settings = $contest_row['settings'];
} else {
$serialized_contest_settings = $user_contest_row['settings'];
}
//get $contest_settings
$contest_settings = Data::_unserialize($serialized_contest_settings);
//get $is_admin
$is_admin = !$is_anonymous && ($user_contest_row['user_type'] === 'SuperAdmin' || $user_contest_row['user_type'] === 'ContestAdmin');
//get $permission
$ctime = getCurrentContestTime($contest_settings, $user_contest_start_time, $user_contest_finish_time);
if (!$is_admin) {
if ($ctime['interval'] === 'before') {
throwBusinessLogicError(19);
}
if ($ctime['interval'] === 'contest' && !$ctime['is_ending']) {
$permission = $contest_settings->resultsAccessPolicy->contestPermission;
} else {
if ($ctime['is_ending']) {
$permission = $contest_settings->resultsAccessPolicy->contestEndingPermission;
} else {
if ($ctime['interval'] === 'after' && !$ctime['is_ending']) {
$permission = $contest_settings->resultsAccessPolicy->afterContestPermission;
}
}
}
} else {
$permission = 'FullAccess';
}
//test rights
if ($permission === 'NoAccess') {
throwBusinessLogicError(0);
}
if ($is_anonymous && $permission === "OnlySelfResults") {
throwBusinessLogicError(0);
}
//get problem rows
$all_problems_rows = Data::getRows(sprintf("SELECT *\r\n FROM {$prfx}problem\r\n WHERE {$prfx}problem.contest_id=%s\r\n ORDER BY {$prfx}problem.contest_pos ASC", Data::quote_smart($contest_id)));
//get users rows
if ($permission === 'FullAccess') {
$all_users_rows = Data::getRows(sprintf("SELECT *\r\n FROM {$prfx}user\r\n WHERE contest_id=%s", Data::quote_smart($contest_id)));
} else {
/* if $permission === 'OnlySelfResults'*/
$all_users_rows = $user_contest_row;
}
//create result
$result = new GetContestResultsResponse();
//fill columns ids
$result->headers = array();
$result->minorHeaders = array();
//the first column with 'user_id' and 'login'
if ($is_admin) {
$result->headers[] = 'admin info';
$result->minorHeaders[] = array('id', 'login');
}
//column with participant data
$result->headers[] = 'participant';
//get participant subcolumns
$data_subs = array();
$contest_user_data = $contest_settings->data;
if ($contest_user_data) {
foreach ($contest_settings->data as $df) {
if ($is_admin || $df->showInResult) {
$data_subs[] = $df->data;
}
}
}
$result->minorHeaders[] = $data_subs;
//columns with problems
$problem_ids = array();
$problem_cols = array();
while ($problem_row = Data::getNextRow($all_problems_rows)) {
$problem_ids[] = $problem_row['id'];
$result->headers[] = $problem_row['name'];
$col_names = Data::_unserialize($problem_row['column_names']);
$result->minorHeaders[] = $col_names;
$problem_cols[] = $col_names;
}
//fill results table
$result->table = array();
if ($permission === 'OnlySelfResults') {
$result->table[] = getTableRow($user_contest_row, $is_admin, $problem_ids, $problem_cols, $contest_settings->data);
$result->userLine = 0;
} else {
$ind = 0;
$result->userLine = -1;
while ($user_row = Data::getNextRow($all_users_rows)) {
$result->table[] = getTableRow($user_row, $is_admin, $problem_ids, $problem_cols, $contest_settings->data);
if ($user_row['id'] == $user_contest_row['id']) {
$result->userLine = $ind;
}
$ind++;
}
}
return $result;
}
$a->b->c = "42";
var_dump($a);
var_dump($a->b);
var_dump($a->b->c);
die;
require "utils/DataBase.php";
$dces_mysql_host = "localhost:3306";
$dces_mysql_user = "******";
$dces_mysql_password = "";
$dces_mysql_db = "dcestest";
$dces_mysql_prefix = "pr_";
$dces_logging = true;
$prfx = DB_PREFIX;
//find user in table
//test if there is at least one such user
$row = Data::getRow("SELECT {$prfx}user.*, {$prfx}contest.settings\r\n FROM {$prfx}session\r\n INNER JOIN {$prfx}user\r\n ON {$prfx}session.user_id={$prfx}user.id\r\n INNER JOIN {$prfx}contest\r\n ON {$prfx}user.contest_id={$prfx}contest.id\r\n WHERE session_id='{$session_id}'");
//test if there is at least one user
var_dump($row);
die;
class D
{
private static $c = 42;
static function f()
{
return D::$c;
}
}
//var_dump(D::$c);
var_dump(D::f());
$s = false;
if ($s === false) {