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<?php
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function strexists($string, $find) {
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return !(strpos($string, $find) === FALSE);
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}
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function dstrpos($string, $arr) {
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if(empty($string)) return false;
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foreach((array)$arr as $v) {
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if(strpos($string, $v) !== false) {
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return true;
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}
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}
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return false;
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}
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//判断移动端
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function checkmobile() {
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$useragent = strtolower($_SERVER['HTTP_USER_AGENT']);
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$ualist = array('android', 'midp', 'nokia', 'mobile', 'iphone', 'ipod', 'blackberry', 'windows phone');
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if((dstrpos($useragent, $ualist) || strexists($_SERVER['HTTP_ACCEPT'], "VND.WAP") || strexists(isset($_SERVER['HTTP_VIA']),"wap"))) {
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return true;
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} else {
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return false;
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}
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}
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//判断蜘蛛
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function is_spider() {
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$userAgent = strtolower($_SERVER['HTTP_USER_AGENT']);
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$spiders = array(
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'Googlebot',
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'Baiduspider',
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'Yahoo! Slurp',
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'YodaoBot',
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'msnbot',
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'360Spider',
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'spider',
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'Spider'
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//这里可以加入更多的蜘蛛标示
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);
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foreach ($spiders as $spider) {
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$spider = strtolower($spider);
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if (strpos($userAgent, $spider) !== false) {
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return true;
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}
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}
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return false;
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}
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function daddslashes($string) {
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if(is_array($string)) {
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foreach($string as $key => $val) {
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$string[$key] = daddslashes($val);
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}
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} else {
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$string = addslashes($string);
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}
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return $string;
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}
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function authcode($string, $operation = 'DECODE', $key = '', $expiry = 0) {
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$ckey_length = 4;
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$key = md5($key ? $key : ENCRYPT_KEY);
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$keya = md5(substr($key, 0, 16));
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$keyb = md5(substr($key, 16, 16));
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$keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length) : substr(md5(microtime()) , -$ckey_length)) : '';
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$cryptkey = $keya . md5($keya . $keyc);
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$key_length = strlen($cryptkey);
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$string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', $expiry ? $expiry + time() : 0) . substr(md5($string . $keyb) , 0, 16) . $string;
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$string_length = strlen($string);
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$result = '';
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$box = range(0, 255);
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$rndkey = array();
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for ($i = 0; $i <= 255; $i++) {
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$rndkey[$i] = ord($cryptkey[$i % $key_length]);
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}
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for ($j = $i = 0; $i < 256; $i++) {
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$j = ($j + $box[$i] + $rndkey[$i]) % 256;
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$tmp = $box[$i];
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$box[$i] = $box[$j];
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$box[$j] = $tmp;
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}
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for ($a = $j = $i = 0; $i < $string_length; $i++) {
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$a = ($a + 1) % 256;
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$j = ($j + $box[$a]) % 256;
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$tmp = $box[$a];
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$box[$a] = $box[$j];
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$box[$j] = $tmp;
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$result.= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));
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}
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if ($operation == 'DECODE') {
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if ((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26) . $keyb) , 0, 16)) {
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return substr($result, 26);
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} else {
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return '';
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}
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} else {
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return $keyc . str_replace('=', '', base64_encode($result));
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}
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}
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//CDN
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function cdnpublic($cdnpublic) {
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if(empty($cdnpublic)) {
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return '.';
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} else {
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return $cdnpublic.$conf['version'];
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}
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}
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//获取协议和域名
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function siteurl() {
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$protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
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$domainName = $_SERVER['HTTP_HOST'];
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return $protocol . $domainName;
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}
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$background = $conf["background"];
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//网站背景
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function background() {
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return $GLOBALS['background_img'];
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}
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//程序更新
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function update() {
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$update_host = 'https://cdn.lylme.com/api/update'; //程序更新服务器,请勿删除和修改，否则将导致无法接收版本更新和程序报错
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@$update = json_decode(get_curl($update_host.'?ver='.VERSION.'&domain='.$_SERVER['HTTP_HOST']),true);
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return $update;
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}
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function getver($ver) {
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$vn = explode('.', str_replace('v', '', $ver));
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return $vn[0] . sprintf("%02d", $vn[1]) . sprintf("%02d", $vn[2]);
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}
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//更新设置
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function saveSetting($k, $v) {
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global $DB;
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$v = daddslashes($v);
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return $DB->query("UPDATE `lylme_config` SET `v` = '$v' WHERE `lylme_config`.`k` = '$k';");
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}
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//获取相对路径
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function get_urlpath($srcurl,$baseurl) {
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if(substr($srcurl,0,2)=="//"){
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return parse_url($baseurl)['scheme'].':'.$srcurl;
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}
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if(empty($srcurl))return '';
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$srcinfo = parse_url($srcurl);
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if(isset($srcinfo['scheme'])) {
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return $srcurl;
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}
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$baseinfo = parse_url($baseurl);
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$url = $baseinfo['scheme'].'://'.$baseinfo['host'];
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if(substr($srcinfo['path'], 0, 1) == '/') {
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$path = $srcinfo['path'];
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} else {
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$path = dirname($baseinfo['path']).'/'.$srcinfo['path'];
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}
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$rst = array();
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$path_array = explode('/', $path);
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if(!$path_array[0]) {
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$rst[] = '';
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}
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foreach ($path_array AS $key => $dir) {
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if ($dir == '..') {
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if (end($rst) == '..') {
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$rst[] = '..';
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} elseif(!array_pop($rst)) {
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$rst[] = '..';
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}
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} elseif($dir && $dir != '.') {
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$rst[] = $dir;
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}
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}
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if(!end($path_array)) {
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$rst[] = '';
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}
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$url .= implode('/', $rst);
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if( !empty($srcinfo['query']) ) $url .= '?'.$srcinfo['query'];
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return str_replace('\\', '/', $url);
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}
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//获取客户端IP
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function get_real_ip() {
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$ip=FALSE;
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//客户端IP 或 NONE
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if(!empty($_SERVER["HTTP_CLIENT_IP"])) {
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$ip = $_SERVER["HTTP_CLIENT_IP"];
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}
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//多重代理服务器下的客户端真实IP地址（可能伪造）,如果没有使用代理，此字段为空
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if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
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$ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
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if ($ip) {
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array_unshift($ips, $ip);
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$ip = FALSE;
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}
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for ($i = 0; $i < count($ips); $i++) {
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if (!eregi ("^(10│172.16│192.168).", $ips[$i])) {
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$ip = $ips[$i];
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break;
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}
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}
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}
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//客户端IP 或 (最后一个)代理服务器 IP
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return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
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}
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function yan() {
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$filename = ROOT.'/assets/data/data.dat';
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//随机一言文件路径
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if (file_exists($filename)) {
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$data = explode(PHP_EOL, file_get_contents($filename));
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$result = str_replace(array(
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"\r",
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"\n",
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"\r\n"
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) , '', $data[array_rand($data) ]);
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return $result;
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}
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}
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function rearr($data,$arr) {
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$arr = str_replace('{group_id}', $data['group_id'],$arr);
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$arr = str_replace('{group_name}', $data['group_name'],$arr);
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$arr = str_replace('{group_icon}', $data['group_icon'],$arr);
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$arr = str_replace('{link_id}', $data['id'],$arr);
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$arr = str_replace('{link_name}', $data['name'],$arr);
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$arr = str_replace('{link_url}', $data['url'],$arr);
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if (empty($data["icon"])) {
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$icon = '<img src="/assets/img/default-icon.png" alt="' . $data["name"] . '" />';
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} else if (!preg_match("/^<svg*/", $data["icon"])) {
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$icon = '<img src="' . $data["icon"] . '" alt="' . $data["name"] . '" />';
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} else {
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$icon = $data["icon"];
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}
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$arr = str_replace('{link_icon}', $icon,$arr);
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return $arr;
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}
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//获取head
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function get_head($url) {
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header("Content-type:text/html;charset=utf-8");
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$data = get_curl($url);
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//获取网站title
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preg_match('/<title.*?>(?<title>.*?)<\/title>/sim', $data, $title);
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$encode = mb_detect_encoding($title['title'], array('GB2312','GBK','UTF-8', 'CP936'));
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//得到字符串编码
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$file_charset = iconv_get_encoding()['internal_encoding'];
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//当前文件编码
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if ( $encode != 'CP936' && $encode != $file_charset) {
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$title = iconv($encode, $file_charset, $title['title']);
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$data = iconv($encode, $file_charset, $data);
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} else {
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$title = $title['title'];
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}
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// 获取网站icon
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preg_match('/<link rel=".*?icon" * href="(.*?)".*?>/is', $data,$icon);
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preg_match('/<meta +name *=["\']?description["\']? *content=["\']?([^<>"]+)["\']?/i', $data, $description);
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preg_match('/<meta +name *=["\']?keywords["\']? *content=["\']?([^<>"]+)["\']?/i', $data, $keywords);
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$icon = $icon[1];
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if(!empty($icon)){
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$icon = get_urlpath($icon,$url);
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}else{
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$parse = parse_url($url);
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$port = $parse['port']==80||$parse['port']=="" ? '': ":".$parse['port'];
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$iconurl = $parse['scheme'].'://'.$parse['host'].$port.'/favicon.ico';
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if(get_curl($iconurl)!=404) {
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$icon = $iconurl;
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}
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}
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$get_heads=array("title" =>$title,"charset"=> $encode,"icon" => $icon,"description"=>$description[1],"keywords"=>$keywords[1],"url"=>$url);
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return $get_heads;
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}
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//模拟GET请求
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function get_curl($url) {
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$curl = curl_init();
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curl_setopt_array($curl, array(
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CURLOPT_URL => $url,
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_ENCODING => '',
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CURLOPT_MAXREDIRS => 10,
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CURLOPT_TIMEOUT => 0,
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CURLOPT_FOLLOWLOCATION => true,
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CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
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CURLOPT_CUSTOMREQUEST => 'GET',
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CURLOPT_HTTPHEADER => array(
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.54 Safari/537.36 Edg/101.0.1210.39 Lylme/11.24'
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),
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));
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$contents = curl_exec($curl);
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$httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
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curl_close($curl);
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if($httpCode==404) {
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return $httpCode;
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}
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return $contents;
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}
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//长度判断
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function strlens($str) {
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if(strlen($str) > 255) {
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return true;
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} else {
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return false;
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}
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}
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//apply($name, $url, $icon, $group_id);
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function apply($name, $url, $icon, $group_id, $status) {
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$name=strip_tags(daddslashes($name));
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$url=strip_tags(daddslashes($url));
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$icon=strip_tags(daddslashes($icon));
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$group_id=strip_tags(daddslashes($group_id));
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$userip = get_real_ip();
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$date = date("Y-m-d H:i:s");
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if(empty($name) || empty($url) || empty($group_id)) {
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//|| empty($icon)
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return('{"code": "-1", "msg": "必填项不能为空"}');
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} else if(!preg_match('/^http*/i', $url)) {
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return('{"code": "-2", "msg": "链接不符合要求"}');
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} else if(strlens($name)||strlens($url)||strlens($icon)||strlens($group_id)||strlens($userip)) {
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return('{"code": "500", "msg": "非法参数"}');
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} else {
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global $DB;
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if($DB->num_rows($DB->query("SELECT * FROM `lylme_apply` WHERE `apply_url` LIKE '".$url."';"))>0) {
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return('{"code": "-3", "msg": "链接已存在，请勿重复提交"}');
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}
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$sql = "INSERT INTO `lylme_apply` (`apply_id`, `apply_name`, `apply_url`, `apply_group`, `apply_icon`, `apply_mail`, `apply_time`, `apply_status`) VALUES (NULL, '".$name."', '".$url."', '".$group_id."', '".$icon."', '".$userip."', '".$date."', '".$status."');";
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if($DB->query($sql)) {
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switch ($status) {
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case 0:
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return('{"code": "200", "msg": "请等待管理员审核"}');
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break;
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case 1:
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if(ins_link($name, $url, $icon, $group_id, $status,$userip)) {
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return('{"code": "200", "msg": "网站已收录"}');
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} else {
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return('{"code": "-5", "msg": "请联系网站管理员"}');
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}
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break;
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}
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} else {
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return('{"code": "-4", "msg": "未知错误，请联系网站管理员"}');
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}
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}
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}
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function ins_link($name, $url, $icon, $group_id, $status) {
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global $DB;
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$name=strip_tags(daddslashes($name));
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$url=strip_tags(daddslashes($url));
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$icon=strip_tags(daddslashes($icon));
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$group_id=strip_tags(daddslashes($group_id));
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$userip = get_real_ip();
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$date = date("Y-m-d H:i:s");
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$link_order = $DB->count('select MAX(id) from `lylme_links`')+1;
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$sql1 = "INSERT INTO `lylme_links` (`id`, `name`, `group_id`, `url`, `icon`, `PS`,`link_order`) VALUES (NULL, '" . $name . "', '" . $group_id . "', '" . $url . "', '" . $icon . "', '" . $userip . "的提交 ', '" . $link_order . "');";
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if($DB->query($sql1)) {
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return true;
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} else {
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return false;
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}
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}
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function theme_file($file) {
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global $conf;
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$theme = ROOT.'template/'.$conf['template'].'/'.$file;
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if(file_exists($theme)) {
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return $theme;
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} else {
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return 'template/'.$file;
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}
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}
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?>
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