mirror of
https://github.com/LyLme/lylme_spage.git
synced 2024-11-17 22:38:03 +08:00
92 lines
3.1 KiB
PHP
92 lines
3.1 KiB
PHP
<?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, $v) !== false) {
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return true;
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}
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}
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return false;
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}
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function checkmobile() {
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$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($_SERVER['HTTP_VIA'],"wap"))){
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$ua = 'wap';
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return $ua;
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}else{
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$ua = 'pc';
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return $ua;
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}
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}
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function daddslashes($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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function update() {
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$update_host = 'cdn.lylme.com'; //程序更新服务器,请勿删除和修改，否则将导致无法接收版本更新和报错
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@$update = json_decode(file_get_contents('https://' . $update_host . '/lylmes_page/update.json') , 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", $vn[2]);
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}
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function saveSetting($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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?>
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