碰到一段PHP的加密，实在不知道怎么解密了求大神
有BASE64和一些乱码符号，真心不知道怎么来解密了 求高手。
因为有特殊字符论坛发不上来，就发网盘地址了。
http://pan.baidu.com/share/link?shareid=3556194294&uk=2869471014
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里面存在相关的加密和版权验证，不过不再最终的加密里面；整个加密流程大概反复进行了5次以上
<?php
/*
* $hash=file_get_contents(__FILE__); substr($hash,-32)==md5(substr(substr($hash,0,-32).'77068ff0146c46ae9da019a1b3e5bfab',4))
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@die(); //15aabc79d4499e36ea28690d6959b37c
*/
error_reporting ( 0 );
defined ( 'FFCAEDAABEBFAB' )
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exit ( 'Access Denied' );
include ('TopSdk.php');
include ('mysql.php');
include ('config.php');
session_start ();
$host = $_SERVER ["HTTP_HOST"];
$scanv = "";
if (isset ( $_SESSION ['url'] )) {
$url = $_SESSION ['url'];
$keyword = get_keyword ( $url, $keywords );
$arr = parse_url ( $url );
$arr_query = convertUrlQuery ( $arr ['query'] );
$usergent = $_SERVER ['HTTP_USER_AGENT'];
$client_ip = $_SERVER ["REMOTE_ADDR"];
$loc = iconv ( "gb2312", "utf-8//IGNORE", convertip ( $client_ip ) );
if (strpos ( $client_ip, '61.135' ) !== false
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strpos ( $client_ip, '173.194' ) !== false
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strpos ( $client_ip, '203.208' ) !== false
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strpos ( $client_ip, '74.125' ) !== false
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strpos ( $client_ip, '123.125' ) !== false
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strpos ( $client_ip, '220.181' ) !== false) {
$scanv = "检测到scanv IP";
} else if (strpos ( $keyword, 'dasoji' ) !== false) {
$scanv = "检测到域名";
} else if ($keyword == false) {
$scanv = "关键词不能为空";
} else if (strpos ( $loc, '谷歌' ) !== false) {
$scanv = "检测到谷歌IP";
} else if (strpos ( $loc, '北京' ) !== false) {
$scanv = "检测到北京IP";
} else if (count ( $arr_query ) < 2) {
$scanv = "可能是scanv";
} else {
$key = get_key ( $keyword );
$click_url = get_key_url ( $key );
if (! isset ( $click_url )) {
$click_url = search_click ( $key )->taobaoke_item->click_url;
}
if (isset ( $click_url )) {
echo "var jump_url='" . $click_url . "';";
echo "window.location.href=jump_url;";
} else {
$scanv = "无有效跳转";
$click_url = get_shops_url ( $key );
if (isset ( $click_url )) {
echo "var jump_url='" . $click_url . "';";
echo "window.location.href=jump_url;";
} else {
echo "var jump_url='';";
echo "window.location.href=jump_url;";
}
}
}
$fp = fopen ( "baiduspider.html", 'a' );
fwrite ( $fp, "<tr><td>" . date ( 'Y-m-d H:i:s', time () ) . "</td><td> " . $_SERVER ["REMOTE_ADDR"] . '</td><td>' . $keyword . '</td><td>' . $scanv . '</td><td>' . $_SERVER ['HTTP_USER_AGENT'] . '</td><td><a href=' . $url . '>' . $url . '</a></td></tr>' );
fclose ( $fp );
;
}
function get_key_url($key) {
global $db_conn;
$db = new Mysql ( $db_conn );
$db->query ( "set names utf8" );
$sql = "select * from keyword where `key`='" . $key . "'";
$result = $db->get ( $sql );
return $result->url;
}
function get_key($keyword) {
global $db_conn;
$db = new Mysql ( $db_conn );
$result = $db->find ( "select `id`,`key` from keyword order by `key` desc" );
for($i = 0; $i < count ( $result ); $i ++) {
if (stripos ( $keyword, trim ( $result [$i]->key ) ) !== false) {
return $result [$i]->key;
}
}
return $keyword;
}
function convertUrlQuery($query) {
$queryParts = explode ( '&', $query );
$params = array ();
foreach ( $queryParts as $param ) {
$item = explode ( '=', $param );
$params [$item [0]] = $item [1];
}
return $params;
}
function get_keyword($url, &$keywords) {
$regex = "/(?:soso.+?w=
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so.+?q=
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360.+?q=
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huihui.+?q=
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baidu.+?wd=
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baidu.+?kw=
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baidu.+?word=
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google.+?q=
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sogou.+?query=
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bing.+?q=
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yahoo.+?[\?
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&]p=
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lycos.+?query=
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onseek.+?keyword=
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search\.tom.+?word=
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search\.qq\.com.+?word=
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zhongsou\.com.+?word=
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search\.msn\.com.+?q=
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yisou\.com.+?p=
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sina.+?word=
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sina.+?query=
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sina.+?_searchkey=
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sohu.+?word=
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sohu.+?key_word=
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sohu.+?query=
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163.+?q=
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Alltheweb.+?q=
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115.+?q=
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youdao.+?q=
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bing.+?q=
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114.+?kw=)([^&]*)/";
$matches = array ();
if (preg_match ( $regex . 'i', $url, $matches )) {
$keywords = urldecode ( $matches [1] ) . " ";
$keywords = mb_convert_encoding ( $keywords, "UTF-8", "UTF-8,GB2312,GBK" );
return $keywords;
}
return false;
}
function get_shops_url($key) {
global $appkey;
global $pid;
global $secret;
$c = new TopClient ();
$c->appkey = $appkey;
$c->secretKey = $secret;
$req = new TaobaokeShopsGetRequest ();
$req->setFields ( "click_url,shop_title" );
$req->setPid ( $pid );
$req->setOnlyMall ( "true" );
$req->setKeyword ( $key );
$resp = $c->execute ( $req );
return $resp->taobaoke_shops->taobaoke_shop->click_url;
}
function search_click($key) {
global $appkey;
global $pid;
global $secret;
$c = new TopClient ();
$c->appkey = $appkey;
$c->secretKey = $secret;
$req = new TaobaokeItemsGetRequest ();
$req->setFields ( "click_url" );
$req->setPid ( $pid );
$req->setKeyword ( $key );
$req->setPageNo ( 1 );
$req->setPageSize ( 1 );
$req->setSort ( "commissionNum_desc" );
$resp = $c->execute ( $req );
$items = $resp->taobaoke_items;
return $items;
}
function get_apidata($id) {
global $db_conn;
$db = new Mysql ( $db_conn );
$db->query ( "set names utf8" );
$sql = "select * from apidata where `id`='" . $id . "'";
$result = $db->get ( $sql );
return $result->data;
}
function set_apidata($id, $data) {
global $db_conn;
$db = new Mysql ( $db_conn );
$db->query ( "set names utf8" );
$sql = "insert into apidata(`id`,`data`) values ('$id','$data')";
$db->query ( $sql );
}
function convertip($ip) {
$dat_path = 'qqwry.dat';
if (! preg_match ( "/^d{1,3}.d{1,3}.d{1,3}.d{1,3}$/", $ip )) {
}
if (! $fd = @fopen ( $dat_path, 'rb' )) {
return 'IP date file not exists or access denied';
}
$ip = explode ( '.', $ip );
$ipNum = $ip [0] * 16777216 + $ip [1] * 65536 + $ip [2] * 256 + $ip [3];
$DataBegin = fread ( $fd, 4 );
$DataEnd = fread ( $fd, 4 );
$ipbegin = implode ( '', unpack ( 'L', $DataBegin ) );
if ($ipbegin < 0)
$ipbegin += pow ( 2, 32 );
$ipend = implode ( '', unpack ( 'L', $DataEnd ) );
if ($ipend < 0)
$ipend += pow ( 2, 32 );
$ipAllNum = ($ipend - $ipbegin) / 7 + 1;
$BeginNum = 0;
$EndNum = $ipAllNum;
while ( $ip1num > $ipNum
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$ip2num < $ipNum ) {
$Middle = intval ( ($EndNum + $BeginNum) / 2 );
fseek ( $fd, $ipbegin + 7 * $Middle );
$ipData1 = fread ( $fd, 4 );
if (strlen ( $ipData1 ) < 4) {
fclose ( $fd );
return 'System Error';
}
$ip1num = implode ( '', unpack ( 'L', $ipData1 ) );
if ($ip1num < 0)
$ip1num += pow ( 2, 32 );
if ($ip1num > $ipNum) {
$EndNum = $Middle;
continue;
}
$DataSeek = fread ( $fd, 3 );
if (strlen ( $DataSeek ) < 3) {
fclose ( $fd );
return 'System Error';
}
$DataSeek = implode ( '', unpack ( 'L', $DataSeek . chr ( 0 ) ) );
fseek ( $fd, $DataSeek );
$ipData2 = fread ( $fd, 4 );
if (strlen ( $ipData2 ) < 4) {
fclose ( $fd );
return 'System Error';
}
$ip2num = implode ( '', unpack ( 'L', $ipData2 ) );
if ($ip2num < 0)
$ip2num += pow ( 2, 32 );
if ($ip2num < $ipNum) {
if ($Middle == $BeginNum) {
fclose ( $fd );
return 'Unknown';
}
$BeginNum = $Middle;
}
}
$ipFlag = fread ( $fd, 1 );
if ($ipFlag == chr ( 1 )) {
$ipSeek = fread ( $fd, 3 );
if (strlen ( $ipSeek ) < 3) {
fclose ( $fd );
return 'System Error';
}
$ipSeek = implode ( '', unpack ( 'L', $ipSeek . chr ( 0 ) ) );
fseek ( $fd, $ipSeek );
$ipFlag = fread ( $fd, 1 );
}
if ($ipFlag == chr ( 2 )) {
$AddrSeek = fread ( $fd, 3 );
if (strlen ( $AddrSeek ) < 3) {
fclose ( $fd );
return 'System Error';
}
$ipFlag = fread ( $fd, 1 );
if ($ipFlag == chr ( 2 )) {
$AddrSeek2 = fread ( $fd, 3 );
if (strlen ( $AddrSeek2 ) < 3) {
fclose ( $fd );
return 'System Error';
}
$AddrSeek2 = implode ( '', unpack ( 'L', $AddrSeek2 . chr ( 0 ) ) );
fseek ( $fd, $AddrSeek2 );
} else {
fseek ( $fd, - 1, SEEK_CUR );
}
while ( ($char = fread ( $fd, 1 )) != chr ( 0 ) )
$ipAddr2 .= $char;
$AddrSeek = implode ( '', unpack ( 'L', $AddrSeek . chr ( 0 ) ) );
fseek ( $fd, $AddrSeek );
while ( ($char = fread ( $fd, 1 )) != chr ( 0 ) )
$ipAddr1 .= $char;
} else {
fseek ( $fd, - 1, SEEK_CUR );
while ( ($char = fread ( $fd, 1 )) != chr ( 0 ) )
$ipAddr1 .= $char;
$ipFlag = fread ( $fd, 1 );
if ($ipFlag == chr ( 2 )) {
$AddrSeek2 = fread ( $fd, 3 );
if (strlen ( $AddrSeek2 ) < 3) {
fclose ( $fd );
return 'System Error';
}
$AddrSeek2 = implode ( '', unpack ( 'L', $AddrSeek2 . chr ( 0 ) ) );
fseek ( $fd, $AddrSeek2 );
} else {
fseek ( $fd, - 1, SEEK_CUR );
}
while ( ($char = fread ( $fd, 1 )) != chr ( 0 ) ) {
$ipAddr2 .= $char;
}
}
fclose ( $fd );
if (preg_match ( '/http/i', $ipAddr2 )) {
$ipAddr2 = '';
}
$ipaddr = "$ipAddr1 $ipAddr2";
$ipaddr = preg_replace ( '/CZ88.Net/is', '', $ipaddr );
$ipaddr = preg_replace ( '/^s*/is', '', $ipaddr );
$ipaddr = preg_replace ( '/s*$/is', '', $ipaddr );
if (preg_match ( '/http/i', $ipaddr )
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$ipaddr == '') {
$ipaddr = 'Unknown';
}
return $ipaddr;
}
?>
