mirror of
https://github.com/LyLme/lylme_spage.git
synced 2024-11-17 22:38:03 +08:00
97 lines
3.7 KiB
PHP
97 lines
3.7 KiB
PHP
<?php
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function isMobile() {
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// 如果有HTTP_X_WAP_PROFILE则一定是移动设备
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if (isset($_SERVER['HTTP_X_WAP_PROFILE'])) {
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return true;
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}
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// 如果via信息含有wap则一定是移动设备,部分服务商会屏蔽该信息
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if (isset($_SERVER['HTTP_VIA'])) {
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// 找不到为flase,否则为true
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return stristr($_SERVER['HTTP_VIA'], "wap") ? true : false;
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}
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// 判断手机发送的客户端标志,兼容性有待提高。其中'MicroMessenger'是电脑微信
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if (isset($_SERVER['HTTP_USER_AGENT'])) {
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$clientkeywords = array('nokia', 'sony', 'ericsson', 'mot', 'samsung', 'htc', 'sgh', 'lg', 'sharp', 'sie-', 'philips', 'panasonic', 'alcatel', 'lenovo', 'iphone', 'ipod', 'blackberry', 'meizu', 'android', 'netfront', 'symbian', 'ucweb', 'windowsce', 'palm', 'operamini', 'operamobi', 'openwave', 'nexusone', 'cldc', 'midp', 'wap', 'mobile', 'MicroMessenger');
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// 从HTTP_USER_AGENT中查找手机浏览器的关键字
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if (preg_match("/(" . implode('|', $clientkeywords) . ")/i", strtolower($_SERVER['HTTP_USER_AGENT']))) {
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return true;
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}
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}
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// 协议法，因为有可能不准确，放到最后判断
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if (isset($_SERVER['HTTP_ACCEPT'])) {
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// 如果只支持wml并且不支持html那一定是移动设备
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// 如果支持wml和html但是wml在html之前则是移动设备
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if ((strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') !== false) && (strpos($_SERVER['HTTP_ACCEPT'], 'text/html') === false || (strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') < strpos($_SERVER['HTTP_ACCEPT'], 'text/html')))) {
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return true;
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}
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}
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return false;
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}
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if (ismobile() == true) {$ua = 'wap';}else {$ua = 'pc';}
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function daddslashes($string, $force = 0, $strip = FALSE) {
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!defined('MAGIC_QUOTES_GPC') && define('MAGIC_QUOTES_GPC', get_magic_quotes_gpc());
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if(!MAGIC_QUOTES_GPC || $force) {
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if(is_array($string)) {
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foreach($string as $key => $val) {
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$string[$key] = daddslashes($val, $force, $strip);
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}
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} else {
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$string = addslashes($strip ? stripslashes($string) : $string);
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}
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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 saveSetting($k, $v){
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$v = daddslashes($v);
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return mysqli_query($GLOBALS['con'],"UPDATE `lylme_config` SET `v` = '$v' WHERE `lylme_config`.`k` = '$k';");
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}
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