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https://github.com/renbaoshuo/S2OJ.git
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Baoshuo
bae26f1c16
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continuous-integration/drone/push Build is passing
ref: http://htmlpurifier.org/docs/enduser-customize.html#optimized
243 lines
8.1 KiB
PHP
243 lines
8.1 KiB
PHP
<?php
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class HTML {
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public static function escape($str) {
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return htmlspecialchars($str);
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}
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public static function stripTags($str) {
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return strip_tags($str);
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}
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public static function avatar_addr($user, $size) {
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if ($user['avatar_source'] == 'qq' && $user['qq']) {
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$s = '5';
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if ($size <= 40) {
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$s = '2';
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} elseif ($size <= 100) {
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$s = '3';
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} elseif ($size <= 140) {
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$s = '4';
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}
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return "https://q1.qlogo.cn/g?b=qq&nk={$user['qq']}&s=$s";
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}
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return '//gravatar.loli.net/avatar/' . md5(strtolower(trim($user['email']))) . "?d=mm&s=$size";
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}
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public static function tablist($tabs_info, $cur, $type = 'nav-tabs') {
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$html = '<ul class="nav '.$type.'" role="tablist">';
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foreach ($tabs_info as $id => $tab) {
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$html .= '<li class="nav-item"><a class="nav-link'.($cur == $id ? ' active' : '').'" href="'.$tab['url'].'" role="tab">'.$tab['name'].'</a></li>';
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}
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$html .= '</ul>';
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return $html;
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}
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public static function navListGroup($tabs_info, $cur) {
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$html = '<div class="list-group">';
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foreach ($tabs_info as $id => $tab) {
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$html .= '<a role="button" class="list-group-item list-group-item-action'.($cur == $id ? ' active' : '').'" href="'.$tab['url'].'">'.$tab['name'].'</a>';
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}
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$html .= '</div>';
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return $html;
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}
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public static function hiddenToken() {
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return '<input type="hidden" name="_token" value="'.crsf_token().'" />';
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}
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public static function div_vinput($name, $type, $label_text, $default_value) {
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return '<div id="'."div-$name".'" class="mb-3">'
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. '<label for="'."input-$name".'" class="control-label form-label">'.$label_text.'</label>'
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. '<input type="'.$type.'" class="form-control" name="'.$name.'" id="'."input-$name".'" value="'.HTML::escape($default_value).'" />'
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. '<span class="help-block invalid-feedback" id="'."help-$name".'"></span>'
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. '</div>';
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}
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public static function div_vtextarea($name, $label_text, $default_value) {
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return '<div id="'."div-$name".'" class="mb-3">'
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. '<label for="'."input-$name".'" class="control-label">'.$label_text.'</label>'
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. '<textarea class="form-control" name="'.$name.'" id="'."input-$name".'">'.HTML::escape($default_value).'</textarea>'
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. '<span class="help-block" id="'."help-$name".'"></span>'
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. '</div>';
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}
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public static function checkbox($name, $default_value) {
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$status = $default_value ? 'checked="checked" ' : '';
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return '<input type="checkbox" id="'."input-$name".'" name="'.$name.'" '.$status.'/>';
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}
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public static function blog_url($username, $uri) {
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switch (UOJConfig::$data['switch']['blog-domain-mode']) {
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case 1:
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$port = ((UOJConfig::$data['web']['blog']['protocol'] === "http" && UOJConfig::$data['web']['blog']['port'] == 80) || (UOJConfig::$data['web']['blog']['protocol'] === "https" && UOJConfig::$data['web']['blog']['port'] == 443)) ? '' : (':'.UOJConfig::$data['web']['blog']['port']);
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$url = UOJConfig::$data['web']['blog']['protocol'].'://'.blog_name_encode($username).'.'.UOJConfig::$data['web']['blog']['host'].$port;
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break;
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case 2:
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$port = ((UOJConfig::$data['web']['blog']['protocol'] === "http" && UOJConfig::$data['web']['blog']['port'] == 80) || (UOJConfig::$data['web']['blog']['protocol'] === "https" && UOJConfig::$data['web']['blog']['port'] == 443)) ? '' : (':'.UOJConfig::$data['web']['blog']['port']);
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$url = UOJConfig::$data['web']['blog']['protocol'].'://'.UOJConfig::$data['web']['blog']['host'].$port.'/'.blog_name_encode($username);
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break;
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case 3:
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$url = HTML::url('/blog/'.blog_name_encode($username));
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break;
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}
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$url .= $uri;
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$url = rtrim($url, '/');
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return HTML::escape($url);
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}
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public static function blog_list_url() {
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switch (UOJConfig::$data['switch']['blog-domain-mode']) {
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case 1:
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case 2:
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$port = ((UOJConfig::$data['web']['blog']['protocol'] === "http" && UOJConfig::$data['web']['blog']['port'] == 80) || (UOJConfig::$data['web']['blog']['protocol'] === "https" && UOJConfig::$data['web']['blog']['port'] == 443)) ? '' : (':'.UOJConfig::$data['web']['blog']['port']);
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$url = UOJConfig::$data['web']['blog']['protocol'].'://'.UOJConfig::$data['web']['blog']['host'].$port;
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break;
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case 3:
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$url = HTML::url('/blogs');
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break;
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}
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return HTML::escape(rtrim($url, '/'));
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}
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public static function url($uri, $config = array()) {
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$config = array_merge(array(
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'location' => 'main',
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'params' => null
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), $config);
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$path = strtok($uri, '?');
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$qs = strtok('?');
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parse_str($qs, $param);
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if ($config['params'] != null) {
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$param = array_merge($param, $config['params']);
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}
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$url = ''; // '//'.UOJConfig::$data['web'][$config['location']]['host'];
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if ($param) {
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$url .= $path.'?'.HTML::query_string_encode($param);
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} elseif ($path != '/') {
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$url .= rtrim($path, '/');
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} else {
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$url .= $path;
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}
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return HTML::escape($url);
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}
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public static function timeanddate_url($time, $config = array()) {
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$url = UOJConfig::$data['web']['blog']['protocol'].'://';
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$url .= 'www.timeanddate.com/worldclock/fixedtime.html';
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$url .= '?'.'iso='.$time->format('Ymd\THi');
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$url .= '&'.'p1=33';
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if (isset($config['duration']) && $config['duration'] < 3600) {
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$url .= '&'.'ah='.floor($config['duration'] / 60);
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if ($config['duration'] % 60 != 0) {
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$url .= '&'.'am='.($config['duration'] % 60);
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}
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}
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$url = HTML::escape($url);
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return $url;
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}
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public static function js_src($uri, $config = array('location' => 'main')) {
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return '<script src="'.HTML::url($uri, $config).'"></script>';
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}
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public static function css_link($uri, $config = array('location' => 'main')) {
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return '<link type="text/css" rel="stylesheet" href="'.HTML::url($uri, $config).'" />';
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}
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public static function query_string_encode($q, $array_name = null) {
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if (!is_array($q)) {
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return false;
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}
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$r = array();
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foreach ((array)$q as $k => $v) {
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if ($array_name !== null) {
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if (is_numeric($k)) {
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$k = $array_name."[]";
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} else {
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$k = $array_name."[$k]";
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}
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}
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if (is_array($v) || is_object($v)) {
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$r[] = self::query_string_encode($v, $k);
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} else {
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$r[] = urlencode($k)."=".urlencode($v);
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}
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}
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return implode("&", $r);
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}
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public static function purifier() {
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$config = HTMLPurifier_Config::createDefault();
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$config->set('Output.Newline', true);
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$def = $config->getHTMLDefinition(true);
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$def->addElement('section', 'Block', 'Flow', 'Common');
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$def->addElement('nav', 'Block', 'Flow', 'Common');
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$def->addElement('article', 'Block', 'Flow', 'Common');
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$def->addElement('aside', 'Block', 'Flow', 'Common');
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$def->addElement('header', 'Block', 'Flow', 'Common');
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$def->addElement('footer', 'Block', 'Flow', 'Common');
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$extra_allowed_html = [
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'span' => ['data-realname' => 'Text', 'data-uoj-username' => 'Number'],
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];
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foreach ($extra_allowed_html as $element => $attributes) {
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foreach ($attributes as $attribute => $type) {
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$def->addAttribute($element, $attribute, $type);
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}
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}
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return new HTMLPurifier($config);
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}
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public static function purifier_inline() {
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$allowed_html = [
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'a' => ['href' => 'URI'],
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'b' => [],
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'i' => [],
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'u' => [],
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's' => [],
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'em' => [],
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'strong' => [],
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'sub' => [],
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'sup' => [],
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'small' => [],
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'del' => [],
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'br' => [],
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'span' => ['data-realname' => 'Text', 'data-uoj-username' => 'Number'],
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];
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$allowed_elements = [];
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$allowed_attributes = [];
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foreach ($allowed_html as $element => $attributes) {
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$allowed_elements[$element] = true;
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foreach ($attributes as $attribute => $type) {
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$allowed_attributes["$element.$attribute"] = true;
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}
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}
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$config = HTMLPurifier_Config::createDefault();
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$config->set('HTML.AllowedElements', $allowed_elements);
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$config->set('HTML.AllowedAttributes', $allowed_attributes);
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$def = $config->getHTMLDefinition(true);
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foreach ($allowed_html as $element => $attributes) {
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foreach ($attributes as $attribute => $type) {
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$def->addAttribute($element, $attribute, $type);
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}
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}
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return new HTMLPurifier($config);
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}
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public static function parsedown() {
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return new UOJMarkdown([
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'math' => [
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'enabled' => true,
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'matchSingleDollar' => true
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]
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]);
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}
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}
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