登陸控制器需要做的登陸成功把用戶ID等信息存入cookie:
$this->systemSetKey(array(‘name‘=>$admin_info[‘a(chǎn)dmin_name‘], ‘id‘=>$admin_info[‘a(chǎn)dmin_id‘],‘gid‘=>$admin_info[‘a(chǎn)dmin_gid‘],‘sp‘=>$admin_info[‘a(chǎn)dmin_is_super‘]));//登陸成功之后做得事情
父類中的 systemSetKey 方法:
/** * 系統(tǒng)后臺(tái) 會(huì)員登錄后 將會(huì)員驗(yàn)證內(nèi)容寫入對應(yīng)cookie中 * * @param string $name 用戶名 * @param int $id 用戶ID * @return bool 布爾類型的返回結(jié)果 */ protected final function systemSetKey($user){ setNcCookie(‘sys_key‘,encrypt(serialize($user),MD5_KEY),3600,‘‘,null);//設(shè)置cookie 過期時(shí)間為30分鐘。這邊設(shè)置cookie框架有帶自己加密規(guī)則,具體是否需要加密自己看著設(shè)置。 }
父類控制器構(gòu)造方法判斷用戶是否有登陸:
protected function __construct(){ Language::read(‘common,layout‘); /** * 驗(yàn)證用戶是否登錄 * $admin_info 管理員資料 name id */ $this->admin_info = $this->systemLogin();//取得管理員的資料,之后的子類控制器繼承構(gòu)造方法 if ($this->admin_info[‘id‘] != 1){ // 驗(yàn)證權(quán)限 $this->checkPermission(); } //轉(zhuǎn)碼 防止GBK下用ajax調(diào)用時(shí)傳漢字?jǐn)?shù)據(jù)出現(xiàn)亂碼 if (($_GET[‘branch‘]!=‘‘ || $_GET[‘op‘]==‘a(chǎn)jax‘) && strtoupper(CHARSET) == ‘GBK‘){ $_GET = Language::getGBK($_GET); } } /** * 系統(tǒng)后臺(tái)登錄驗(yàn)證 * * @param * @return array 數(shù)組類型的返回結(jié)果 */ protected final function systemLogin(){ //取得cookie內(nèi)容,解密,和系統(tǒng)匹配 $user = unserialize(decrypt(cookie(‘sys_key‘),MD5_KEY));//取cookie 里面儲(chǔ)存的信息,現(xiàn)在使用的框架里面自定義了cookie的加密方式 if (!key_exists(‘gid‘,(array)$user) || !isset($user[‘sp‘]) || (empty($user[‘name‘]) || empty($user[‘id‘]))){ //假如不存在說明用戶沒登陸或者用戶長時(shí)間未操作cookie時(shí)間過期 跳到登陸頁面去 @header(‘Location: index.php?mod=login&action=login‘);exit; }else { $this->systemSetKey($user);//如果用戶有登陸的話,每一個(gè)操作都會(huì)重寫刷新cookie; } return $user; }
加密函數(shù):
/** * 加密函數(shù) * * @param string $txt 需要加密的字符串 * @param string $key 密鑰 * @return string 返回加密結(jié)果 */ function encrypt($txt, $key = ‘‘){ if (empty($txt)) return $txt; if (empty($key)) $key = md5(MD5_KEY); $chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_."; $ikey ="-x6g6ZWm2G9g_vr0Bo.pOq3kRIxsZ6rm"; $nh1 = rand(0,64); $nh2 = rand(0,64); $nh3 = rand(0,64); $ch1 = $chars{$nh1}; $ch2 = $chars{$nh2}; $ch3 = $chars{$nh3}; $nhnum = $nh1 + $nh2 + $nh3; $knum = 0;$i = 0; while(isset($key{$i})) $knum +=ord($key{$i++}); $mdKey = substr(md5(md5(md5($key.$ch1).$ch2.$ikey).$ch3),$nhnum%8,$knum%8 + 16); $txt = base64_encode(time().‘_‘.$txt); $txt = str_replace(array(‘+‘,‘/‘,‘=‘),array(‘-‘,‘_‘,‘.‘),$txt); $tmp = ‘‘; $j=0;$k = 0; $tlen = strlen($txt); $klen = strlen($mdKey); for ($i=0; $i<$tlen; $i++) { $k = $k == $klen ? 0 : $k; $j = ($nhnum+strpos($chars,$txt{$i})+ord($mdKey{$k++}))%64; $tmp .= $chars{$j}; } $tmplen = strlen($tmp); $tmp = substr_replace($tmp,$ch3,$nh2 % ++$tmplen,0); $tmp = substr_replace($tmp,$ch2,$nh1 % ++$tmplen,0); $tmp = substr_replace($tmp,$ch1,$knum % ++$tmplen,0); return $tmp; }
解密函數(shù):
/** * 解密函數(shù) * * @param string $txt 需要解密的字符串 * @param string $key 密匙 * @return string 字符串類型的返回結(jié)果 */ function decrypt($txt, $key = ‘‘, $ttl = 0){ if (empty($txt)) return $txt; if (empty($key)) $key = md5(MD5_KEY); $chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_."; $ikey ="-x6g6ZWm2G9g_vr0Bo.pOq3kRIxsZ6rm"; $knum = 0;$i = 0; $tlen = @strlen($txt); while(isset($key{$i})) $knum +=ord($key{$i++}); $ch1 = @$txt{$knum % $tlen}; $nh1 = strpos($chars,$ch1); $txt = @substr_replace($txt,‘‘,$knum % $tlen--,1); $ch2 = @$txt{$nh1 % $tlen}; $nh2 = @strpos($chars,$ch2); $txt = @substr_replace($txt,‘‘,$nh1 % $tlen--,1); $ch3 = @$txt{$nh2 % $tlen}; $nh3 = @strpos($chars,$ch3); $txt = @substr_replace($txt,‘‘,$nh2 % $tlen--,1); $nhnum = $nh1 + $nh2 + $nh3; $mdKey = substr(md5(md5(md5($key.$ch1).$ch2.$ikey).$ch3),$nhnum % 8,$knum % 8 + 16); $tmp = ‘‘; $j=0; $k = 0; $tlen = @strlen($txt); $klen = @strlen($mdKey); for ($i=0; $i<$tlen; $i++) { $k = $k == $klen ? 0 : $k; $j = strpos($chars,$txt{$i})-$nhnum - ord($mdKey{$k++}); while ($j<0) $j+=64; $tmp .= $chars{$j}; } $tmp = str_replace(array(‘-‘,‘_‘,‘.‘),array(‘+‘,‘/‘,‘=‘),$tmp); $tmp = trim(base64_decode($tmp)); if (preg_match("/\d{10}_/s",substr($tmp,0,11))){ if ($ttl > 0 && (time() - substr($tmp,0,11) > $ttl)){ $tmp = null; }else{ $tmp = substr($tmp,11); } } return $tmp; }
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