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Home Backend Development PHP Tutorial 大神在吗?PHP关于session和cookie的修改看不懂啊!

大神在吗?PHP关于session和cookie的修改看不懂啊!

Jun 23, 2016 pm 01:59 PM

帮忙看下下面两个功能是否修改了SESSIONID,为什么我始终获取不到正确的id呢?每次浏览器生成的都是固定的id,而我获取到的id都是在变化的。

/** * session管理函数 * @param string|array $name session名称 如果为数组则表示进行session设置 * @param mixed $value session值 * @return mixed */function session($name,$value='') {    $prefix   =  C('SESSION_PREFIX');    if(is_array($name)) { // session初始化 在session_start 之前调用        if(isset($name['prefix'])) C('SESSION_PREFIX',$name['prefix']);        if(C('VAR_SESSION_ID') && isset($_REQUEST[C('VAR_SESSION_ID')])){            session_id($_REQUEST[C('VAR_SESSION_ID')]);        }elseif(isset($name['id'])) {            session_id($name['id']);        }        ini_set('session.auto_start', 0);        if(isset($name['name']))            session_name($name['name']);        if(isset($name['path']))            session_save_path($name['path']);        if(isset($name['domain']))          ini_set('session.cookie_domain', $name['domain']);        if(isset($name['expire']))          ini_set('session.gc_maxlifetime', $name['expire']);        if(isset($name['use_trans_sid']))   ini_set('session.use_trans_sid', $name['use_trans_sid']?1:0);        if(isset($name['use_cookies']))     ini_set('session.use_cookies', $name['use_cookies']?1:0);        if(isset($name['cache_limiter']))   session_cache_limiter($name['cache_limiter']);        if(isset($name['cache_expire']))    session_cache_expire($name['cache_expire']);        if(isset($name['type']))            C('SESSION_TYPE',$name['type']);        if(C('SESSION_TYPE')) { // 读取session驱动            $class      = 'Session'. ucwords(strtolower(C('SESSION_TYPE')));            // 检查驱动类            if(require_cache(EXTEND_PATH.'Driver/Session/'.$class.'.class.php')) {                $hander = new $class();                $hander->execute();            }else {                // 类没有定义                throw_exception(L('_CLASS_NOT_EXIST_').': ' . $class);            }        }        // 启动session        if(C('SESSION_AUTO_START'))  session_start();    }elseif('' === $value){         if(0===strpos($name,'[')) { // session 操作            if('[pause]'==$name){ // 暂停session                session_write_close();            }elseif('[start]'==$name){ // 启动session                session_start();            }elseif('[destroy]'==$name){ // 销毁session                $_SESSION =  array();                session_unset();                session_destroy();            }elseif('[regenerate]'==$name){ // 重新生成id                session_regenerate_id();            }        }elseif(0===strpos($name,'?')){ // 检查session            $name   =  substr($name,1);            if(strpos($name,'.')){ // 支持数组                list($name1,$name2) =   explode('.',$name);                return $prefix?isset($_SESSION[$prefix][$name1][$name2]):isset($_SESSION[$name1][$name2]);            }else{                return $prefix?isset($_SESSION[$prefix][$name]):isset($_SESSION[$name]);            }        }elseif(is_null($name)){ // 清空session            if($prefix) {                unset($_SESSION[$prefix]);            }else{                $_SESSION = array();            }        }elseif($prefix){ // 获取session            if(strpos($name,'.')){                list($name1,$name2) =   explode('.',$name);                return isset($_SESSION[$prefix][$name1][$name2])?$_SESSION[$prefix][$name1][$name2]:null;              }else{                return isset($_SESSION[$prefix][$name])?$_SESSION[$prefix][$name]:null;                            }                    }else{            if(strpos($name,'.')){                list($name1,$name2) =   explode('.',$name);                return isset($_SESSION[$name1][$name2])?$_SESSION[$name1][$name2]:null;              }else{                return isset($_SESSION[$name])?$_SESSION[$name]:null;            }                    }    }elseif(is_null($value)){ // 删除session        if($prefix){            unset($_SESSION[$prefix][$name]);        }else{            unset($_SESSION[$name]);        }    }else{ // 设置session        if($prefix){            if (!is_array($_SESSION[$prefix])) {                $_SESSION[$prefix] = array();            }            $_SESSION[$prefix][$name]   =  $value;        }else{            $_SESSION[$name]  =  $value;        }    }}/** * Cookie 设置、获取、删除 * @param string $name cookie名称 * @param mixed $value cookie值 * @param mixed $options cookie参数 * @return mixed */function cookie($name, $value='', $option=null) {    // 默认设置    $config = array(        'prefix'    =>  C('COOKIE_PREFIX'), // cookie 名称前缀        'expire'    =>  C('COOKIE_EXPIRE'), // cookie 保存时间        'path'      =>  C('COOKIE_PATH'), // cookie 保存路径        'domain'    =>  C('COOKIE_DOMAIN'), // cookie 有效域名    );    // 参数设置(会覆盖?认设置)    if (!is_null($option)) {        if (is_numeric($option))            $option = array('expire' => $option);        elseif (is_string($option))            parse_str($option, $option);        $config     = array_merge($config, array_change_key_case($option));    }    // 清除指定前缀的所有cookie    if (is_null($name)) {        if (empty($_COOKIE))            return;        // 要删除的cookie前缀,不指定则删除config设置的指定前缀        $prefix = empty($value) ? $config['prefix'] : $value;        if (!empty($prefix)) {// 如果前缀为空字符串将不作处理直接返回            foreach ($_COOKIE as $key => $val) {                if (0 === stripos($key, $prefix)) {                    setcookie($key, '', time() - 3600, $config['path'], $config['domain']);                    unset($_COOKIE[$key]);                }            }        }        return;    }    $name = $config['prefix'] . $name;    if ('' === $value) {        if(isset($_COOKIE[$name])){            $value =    $_COOKIE[$name];            if(0===strpos($value,'think:')){                $value  =   substr($value,6);                return array_map('urldecode',json_decode(MAGIC_QUOTES_GPC?stripslashes($value):$value,true));            }else{                return $value;            }        }else{            return null;        }    } else {        if (is_null($value)) {            setcookie($name, '', time() - 3600, $config['path'], $config['domain']);            unset($_COOKIE[$name]); // 删除指定cookie        } else {            // 设置cookie            if(is_array($value)){                $value  = 'think:'.json_encode(array_map('urlencode',$value));            }            $expire = !empty($config['expire']) ? time() + intval($config['expire']) : 0;            setcookie($name, $value, $expire, $config['path'], $config['domain']);            $_COOKIE[$name] = $value;        }    }}
Copy after login


回复讨论(解决方案)

真可怕

真可怕 你在说我么……

一大堆if else


真可怕 你在说我么……

我是说写这段代码的人太逗了

一大堆if else phpthink



真可怕 你在说我么……

我是说写这段代码的人太逗了 phpthink写的啊

thinkphp吧,那里来的phpthink

thinkphp吧,那里来的phpthink 哦 对 你说的对 帮忙看看

这不是 thinkphp 的内置函数吗?
你到底想干什么?

这不是 thinkphp 的内置函数吗?
你到底想干什么? 还是之前的问题没有解决,怀疑不是客户端程序的问题,而是thinkPHP的内部机制问题

你用浏览器能正确访问吗?

你用浏览器能正确访问吗? 可以的啊

那就说明是你的客户端写的有问题

那就说明是你的客户端写的有问题 可是php后端修改了session和cookie啊

无论后端是否修改了session和cookie
只要用浏览器能正常访问,就说说明系统是正常工作的
也就印证了你的客户端存在问题:不能正确的获得cookie

问题没有描述清楚?

无论后端是否修改了session和cookie
只要用浏览器能正常访问,就说说明系统是正常工作的
也就印证了你的客户端存在问题:不能正确的获得cookie 通常情况下,浏览器产生的session是不固定的吧!可是我这边都是固定的,我查了下说是thinkPHP的问题,配置文件php.ini修改了也无效,所以我觉得是php后端的问题。

问题没有描述清楚? 哪里不明白,请问

session 是服务端产生的,只要浏览器不离开这个网站,session id 就不会变化


问题没有描述清楚? 哪里不明白,请问
thinkphp的session使用也还是依据php的session方法调用。

session 是服务端产生的,只要浏览器不离开这个网站,session id 就不会变化

session_id();
Copy after login
这个不是修改sessionid的函数么



问题没有描述清楚? 哪里不明白,请问
thinkphp的session使用也还是依据php的session方法调用。 怀疑他修改了session

你最好结合楼主的另一帖一起看!
楼主用C#写了个模拟登陆程序,现不能维持登录状态
因此怀疑是 thinkphp 的问题



问题没有描述清楚? 哪里不明白,请问
thinkphp的session使用也还是依据php的session方法调用。

无论 sessionid 是否被改变
你的客户端只需要能正确的读取并发送cookie就可以了

你的客户端只是 模拟浏览器的行为

你的客户端只是 模拟浏览器的行为 好吧!可是C#板块没有人给我解答……

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