103 lines
2.7 KiB
PHP
103 lines
2.7 KiB
PHP
<?php
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namespace Misuzu;
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use Misuzu\Users\User;
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require_once '../../misuzu.php';
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$redirect = !empty($_SERVER['HTTP_REFERER']) && empty($_SERVER['HTTP_X_MISUZU_XHR']) ? $_SERVER['HTTP_REFERER'] : '';
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$isXHR = !$redirect;
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if($isXHR) {
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header('Content-Type: application/json; charset=utf-8');
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} elseif(!is_local_url($redirect)) {
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echo render_info('Possible request forgery detected.', 403);
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return;
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}
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if(!CSRF::validateRequest()) {
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echo render_info_or_json($isXHR, "Couldn't verify this request, please refresh the page and try again.", 403);
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return;
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}
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$currentUser = User::getCurrent();
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if($currentUser === null) {
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echo render_info_or_json($isXHR, 'You must be logged in to vote on polls.', 401);
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return;
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}
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$currentUserId = $currentUser->getId();
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if($currentUser->isBanned()) {
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echo render_info_or_json($isXHR, 'You have been banned, check your profile for more information.', 403);
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return;
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}
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if($currentUser->isSilenced()) {
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echo render_info_or_json($isXHR, 'You have been silenced, check your profile for more information.', 403);
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return;
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}
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header(CSRF::header());
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if(empty($_POST['poll']['id']) || !ctype_digit($_POST['poll']['id'])) {
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echo render_info_or_json($isXHR, "Invalid request.", 400);
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return;
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}
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$poll = forum_poll_get($_POST['poll']['id']);
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if(empty($poll)) {
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echo "Poll {$poll['poll_id']} doesn't exist.<br>";
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return;
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}
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$topicInfo = forum_poll_get_topic($poll['poll_id']);
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if(!is_null($topicInfo['topic_locked'])) {
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echo "The topic associated with this poll has been locked.<br>";
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return;
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}
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if(!forum_perms_check_user(
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MSZ_FORUM_PERMS_GENERAL, $topicInfo['forum_id'],
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$currentUserId, MSZ_FORUM_PERM_SET_READ
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)) {
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echo "You aren't allowed to vote on this poll.<br>";
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return;
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}
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if($poll['poll_expired']) {
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echo "Voting for poll {$poll['poll_id']} has closed.<br>";
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return;
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}
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if(!$poll['poll_change_vote'] && forum_poll_has_voted($currentUserId, $poll['poll_id'])) {
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echo "Can't change vote for {$poll['poll_id']}<br>";
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return;
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}
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$answers = !empty($_POST['poll']['answers'])
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&& is_array($_POST['poll']['answers'])
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? $_POST['poll']['answers']
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: [];
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if(count($answers) > $poll['poll_max_votes']) {
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echo "Too many votes for poll {$poll['poll_id']}<br>";
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return;
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}
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forum_poll_vote_remove($currentUserId, $poll['poll_id']);
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foreach($answers as $answerId) {
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if(!is_string($answerId) || !ctype_digit($answerId)
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|| !forum_poll_validate_option($poll['poll_id'], (int)$answerId)) {
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echo "Vote {$answerId} was invalid for {$poll['poll_id']}<br>";
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continue;
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}
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forum_poll_vote_cast($currentUserId, $poll['poll_id'], (int)$answerId);
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}
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url_redirect('forum-topic', ['topic' => $topicInfo['topic_id']]);
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