mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-12-23 18:01:51 +00:00
181 lines
5.4 KiB
PHP
181 lines
5.4 KiB
PHP
<?php
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function hasProblemPermission($user, $problem) {
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if ($user == null) {
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return false;
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}
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if (isSuperUser($user)) {
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return true;
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}
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return DB::selectFirst("select * from problems_permissions where username = '{$user['username']}' and problem_id = {$problem['id']}") != null;
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}
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function hasViewPermission($str,$user,$problem,$submission) {
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if ($str=='ALL') {
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return true;
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}
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if ($str=='ALL_AFTER_AC') {
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return hasAC($user,$problem);
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}
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if ($str=='SELF') {
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return $submission['submitter']==$user['username'];
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}
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return false;
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}
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function hasContestPermission($user, $contest) {
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if ($user == null) {
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return false;
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}
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if (isSuperUser($user)) {
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return true;
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}
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return DB::selectFirst("select * from contests_permissions where username = '{$user['username']}' and contest_id = {$contest['id']}") != null;
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}
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function hasRegistered($user, $contest) {
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return DB::selectFirst("select * from contests_registrants where username = '${user['username']}' and contest_id = ${contest['id']}") != null;
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}
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function hasAC($user, $problem) {
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return DB::selectFirst("select * from best_ac_submissions where submitter = '${user['username']}' and problem_id = ${problem['id']}") != null;
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}
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function queryUser($username) {
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if (!validateUsername($username)) {
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return null;
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}
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return DB::selectFirst("select * from user_info where username='$username'", MYSQLI_ASSOC);
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}
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function queryProblemContent($id) {
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return DB::selectFirst("select * from problems_contents where id = $id", MYSQLI_ASSOC);
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}
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function queryProblemBrief($id) {
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return DB::selectFirst("select * from problems where id = $id", MYSQLI_ASSOC);
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}
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function queryProblemTags($id) {
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$tags = array();
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$result = DB::query("select tag from problems_tags where problem_id = $id order by id");
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while ($row = DB::fetch($result, MYSQLI_NUM)) {
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$tags[] = $row[0];
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}
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return $tags;
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}
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function queryContestProblemRank($contest, $problem) {
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if (!DB::selectFirst("select * from contests_problems where contest_id = {$contest['id']} and problem_id = {$problem['id']}")) {
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return null;
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}
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return DB::selectCount("select count(*) from contests_problems where contest_id = {$contest['id']} and problem_id <= {$problem['id']}");
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}
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function querySubmission($id) {
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return DB::selectFirst("select * from submissions where id = $id", MYSQLI_ASSOC);
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}
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function queryHack($id) {
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return DB::selectFirst("select * from hacks where id = $id", MYSQLI_ASSOC);
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}
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function queryContest($id) {
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return DB::selectFirst("select * from contests where id = $id", MYSQLI_ASSOC);
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}
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function queryContestProblem($id) {
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return DB::selectFirst("select * from contest_problems where contest_id = $id", MYSQLI_ASSOC);
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}
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function queryZanVal($id, $type, $user) {
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if ($user == null) {
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return 0;
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}
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$esc_type = DB::escape($type);
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$row = DB::selectFirst("select val from click_zans where username='{$user['username']}' and type='$esc_type' and target_id='$id'");
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if ($row == null) {
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return 0;
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}
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return $row['val'];
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}
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function queryBlog($id) {
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return DB::selectFirst("select * from blogs where id='$id'", MYSQLI_ASSOC);
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}
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function queryBlogTags($id) {
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$tags = array();
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$result = DB::select("select tag from blogs_tags where blog_id = $id order by id");
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while ($row = DB::fetch($result, MYSQLI_NUM)) {
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$tags[] = $row[0];
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}
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return $tags;
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}
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function queryBlogComment($id) {
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return DB::selectFirst("select * from blogs_comments where id='$id'", MYSQLI_ASSOC);
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}
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function isProblemVisibleToUser($problem, $user) {
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return !$problem['is_hidden'] || hasProblemPermission($user, $problem);
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}
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function isContestProblemVisibleToUser($problem, $contest, $user) {
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if (isProblemVisibleToUser($problem, $user)) {
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return true;
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}
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if ($contest['cur_progress'] >= CONTEST_PENDING_FINAL_TEST) {
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return true;
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}
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if ($contest['cur_progress'] == CONTEST_NOT_STARTED) {
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return false;
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}
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return hasRegistered($user, $contest);
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}
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function isSubmissionVisibleToUser($submission, $problem, $user) {
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if (isSuperUser($user)) {
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return true;
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} elseif (!$submission['is_hidden']) {
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return true;
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} else {
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return hasProblemPermission($user, $problem);
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}
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}
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function isHackVisibleToUser($hack, $problem, $user) {
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if (isSuperUser($user)) {
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return true;
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} elseif (!$hack['is_hidden']) {
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return true;
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} else {
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return hasProblemPermission($user, $problem);
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}
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}
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function isSubmissionFullVisibleToUser($submission, $contest, $problem, $user) {
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if (isSuperUser($user)) {
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return true;
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} elseif (!$contest) {
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return true;
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} elseif ($contest['cur_progress'] > CONTEST_IN_PROGRESS) {
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return true;
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} elseif ($submission['submitter'] == $user['username']) {
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return true;
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} else {
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return hasProblemPermission($user, $problem);
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}
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}
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function isHackFullVisibleToUser($hack, $contest, $problem, $user) {
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if (isSuperUser($user)) {
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return true;
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} elseif (!$contest) {
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return true;
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} elseif ($contest['cur_progress'] > CONTEST_IN_PROGRESS) {
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return true;
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} elseif ($hack['hacker'] == $user['username']) {
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return true;
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} else {
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return hasProblemPermission($user, $problem);
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}
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}
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function deleteBlog($id) {
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if (!validateUInt($id)) {
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return;
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}
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DB::delete("delete from click_zans where type = 'B' and target_id = $id");
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DB::delete("delete from click_zans where type = 'BC' and target_id in (select id from blogs_comments where blog_id = $id)");
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DB::delete("delete from blogs where id = $id");
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DB::delete("delete from blogs_comments where blog_id = $id");
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DB::delete("delete from important_blogs where blog_id = $id");
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DB::delete("delete from blogs_tags where blog_id = $id");
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} |