PHP微信扫码签到源码

<?php /* [Jason System] Copyright (c) 2008-2013 zhisg.COM This is NOT a freeware, use is subject to license.txt */ defined('IN_DESTOON') or exit('Access Denied'); function encrypt($txt, $key = '') { $key or $key = DT_KEY; $rnd = random(32); $len = strlen($txt); $ctr = 0; $str = ''; for($i = 0; $i < $len; $i++) { $ctr = $ctr == 32 ? 0 : $ctr; $str .= $rnd[$ctr].($txt[$i] ^ $rnd[$ctr++]); } return str_replace('=', '', base64_encode(kecrypt($str, $key))); } function decrypt($txt, $key = '') { $key or $key = DT_KEY; $txt = kecrypt(base64_decode($txt), $key); $len = strlen($txt); $str = ''; for($i = 0; $i < $len; $i++) { $tmp = $txt[$i]; $str .= $txt[++$i] ^ $tmp; } return $str; } function kecrypt($txt, $key) { $key = md5($key); $len = strlen($txt); $ctr = 0; $str = ''; for($i = 0; $i < $len; $i++) { $ctr = $ctr == 32 ? 0 : $ctr; $str .= $txt[$i] ^ $key[$ctr++]; } return $str; } function strtohex($str) { $hex = ''; $len = strlen($str); for($i = 0; $i < $len; $i++) { $hex .= dechex(ord($str[$i])); } return $hex; } function hextostr($hex) { $str = ''; $len = strlen($hex); for($i = 0; $i < $len - 1; $i += 2) { $str .= chr(hexdec($hex[$i].$hex[$i+1])); } return $str; } function template($template = 'index', $dir = '') { global $CFG; $to = $dir ? DT_CACHE.'/tpl/'.$dir.'-'.$template.'.php' : DT_CACHE.'/tpl/'.$template.'.php'; $isfileto = is_file($to); if($CFG['template_refresh'] || !$isfileto) { if($dir) $dir = $dir.'/'; $from = DT_ROOT.'/template/'.$CFG['template'].'/'.$dir.$template.'.htm'; if($CFG['template'] != 'default' && !is_file($from)) { $from = DT_ROOT.'/template/default/'.$dir.$template.'.htm'; } if(!$isfileto || filemtime($from) > filemtime($to) || (filesize($to) == 0 && filesize($from) > 0)) { require_once DT_ROOT.'/include/template.func.php'; template_compile($from, $to); } } return $to; } function ob_template($template, $dir = '') { extract($GLOBALS, EXTR_SKIP); ob_start(); include template($template, $dir); $contents = ob_get_contents(); ob_clean(); return $contents; } function message($dmessage = errmsg, $dforward = 'goback', $dtime = 1) { global $CFG, $DT; if(!$dmessage && $dforward && $dforward != 'goback') dheader($dforward); exit(include template('message', 'message')); } function random($length, $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz') { $hash = ''; $max = strlen($chars) - 1; for($i = 0; $i < $length; $i++) { $hash .= $chars[mt_rand(0, $max)]; } return $hash; } function set_cookie($var, $value = '', $time = 0) { global $CFG, $DT_TIME; $time = $time > 0 ? $time : (empty($value) ? $DT_TIME - 3600 : 0); $port = $_SERVER['SERVER_PORT'] == '443' ? 1 : 0; $var = $CFG['cookie_pre'].$var; return setcookie($var, $value, $time, $CFG['cookie_path'], $CFG['cookie_domain'], $port); } function get_cookie($var) { global $CFG; $var = $CFG['cookie_pre'].$var; return isset($_COOKIE[$var]) ? $_COOKIE[$var] : ''; } function send_mail($mail_to, $mail_subject, $mail_body, $mail_from = '', $mail_sign = true) { global $DT; require_once DT_ROOT.'/include/mail.func.php'; $result = dmail(trim($mail_to), $mail_subject, $mail_body, $mail_from, $mail_sign); $success = $result == 'SUCCESS' ? 1 : 0; if($DT['mail_log']) { // Write LOG } return $success; } function get_env($type) { switch($type) { case 'ip': isset($_SERVER['HTTP_X_FORWARDED_FOR']) or $_SERVER['HTTP_X_FORWARDED_FOR'] = ''; isset($_SERVER['REMOTE_ADDR']) or $_SERVER['REMOTE_ADDR'] = ''; isset($_SERVER['HTTP_CLIENT_IP']) or $_SERVER['HTTP_CLIENT_IP'] = ''; if($_SERVER['HTTP_X_FORWARDED_FOR'] && $_SERVER['REMOTE_ADDR']) { $ip = $_SERVER['HTTP_X_FORWARDED_FOR']; if(strpos($ip, ',') !== false) { $tmp = explode(',', $ip); $ip = trim(end($tmp)); } if(is_ip($ip)) return $ip; } if(is_ip($_SERVER['HTTP_CLIENT_IP'])) return $_SERVER['HTTP_CLIENT_IP']; if(is_ip($_SERVER['REMOTE_ADDR'])) return $_SERVER['REMOTE_ADDR']; return 'unknown'; break; case 'self': return isset($_SERVER['PHP_SELF']) ? $_SERVER['PHP_SELF'] : (isset($_SERVER['SCRIPT_NAME']) ? $_SERVER['SCRIPT_NAME'] : $_SERVER['ORIG_PATH_INFO']); break; case 'referer': return isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : ''; break; case 'domain': return $_SERVER['SERVER_NAME']; break; case 'scheme': return $_SERVER['SERVER_PORT'] == '443' ? 'https://' : 'http://'; break; case 'port': return $_SERVER['SERVER_PORT'] == '80' ? '' : ':'.$_SERVER['SERVER_PORT']; break; case 'host': return preg_match("/^[a-z0-9_\-\.]{4,}$/i", $_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ''; break; case 'url': if(isset($_SERVER['HTTP_X_REWRITE_URL']) && $_SERVER['HTTP_X_REWRITE_URL']) { $uri = $_SERVER['HTTP_X_REWRITE_URL']; } else if(isset($_SERVER['REQUEST_URI']) && $_SERVER['REQUEST_URI']) { $uri = $_SERVER['REQUEST_URI']; } else { $uri = $_SERVER['PHP_SELF']; if(isset($_SERVER['argv'])) { if(isset($_SERVER['argv'][0])) $uri .= '?'.$_SERVER['argv'][0]; } else { $uri .= '?'.$_SERVER['QUERY_STRING']; } } $uri = dhtmlspecialchars($uri); return get_env('scheme').$_SERVER['HTTP_HOST'].(strpos($_SERVER['HTTP_HOST'], ':') === false ? get_env('port') : '').$uri; break; } } function convert($str, $from = 'utf-8', $to = 'gb2312') { if(!$str) return ''; $from = strtolower($from); $to = strtolower($to); if($from == $to) return $str; $from = str_replace('gbk', 'gb2312', $from); $to = str_replace('gbk', 'gb2312', $to); $from = str_replace('utf8', 'utf-8', $from); $to = str_replace('utf8', 'utf-8', $to); if($from == $to) return $str; $tmp = array(); if(function_exists('iconv')) { if(is_array($str)) { foreach($str as $key => $val) { $tmp[$key] = iconv($from, $to."//IGNORE", $val); } return $tmp; } else { return iconv($from, $to."//IGNORE", $str); } } else if(function_exists('mb_convert_encoding')) { if(is_array($str)) { foreach($str as $key => $val) { $tmp[$key] = mb_convert_encoding($val, $to, $from); } return $tmp; } else { return mb_convert_encoding($str, $to, $from); } } else { require_once DT_ROOT.'/include/convert.func.php'; return dconvert($str, $to, $from); } } function dhttp($status, $exit = 1) { switch($status) { case '301': @header("HTTP/1.1 301 Moved Permanently"); break; case '403': @header("HTTP/1.1 403 Forbidden"); break; case '404': @header("HTTP/1.1 404 Not Found"); break; case '503': @header("HTTP/1.1 503 Service Unavailable"); break; } if($exit) exit; } ?>