使用PHP如何实现高效安全的ftp服务器(二)

* array(* 'user1' => array(* 'pass'=>'',* 'group'=>'',* 'home'=>'/home/ftp/', //ftp主目录* 'active'=>true,* 'expired=>'2015-12-12',* 'description'=>'',* 'email' => '',* 'folder'=>array(* //可以列出主目录下的文件和目录，但不能创建和删除，也不能进入主目录下的目录* //前1-5位是文件权限，6-9是文件夹权限,10是否继承(inherit)* array('path'=>'/home/ftp/','access'=>'RWANDLCNDI'),* //可以列出/home/ftp/a/下的文件和目录,可以创建和删除，可以进入/home/ftp/a/下的子目录，可以创建和删除。* array('path'=>'/home/ftp/a/','access'=>'RWAND-----'),* ),* 'ip'=>array(* 'allow'=>array(ip1,ip2,...),//支持*通配符: 192.168.0.** 'deny'=>array(ip1,ip2,...)* )* ) * )* * 组文件格式：* array(* 'group1'=>array(* 'home'=>'/home/ftp/dept1/',* 'folder'=>array(* * ),* 'ip'=>array(* 'allow'=>array(ip1,ip2,...),* 'deny'=>array(ip1,ip2,...)* )* )* ) 

class User{const I = 1; // inheritconst FD = 2; // folder deleteconst FN = 4; // folder renameconst FC = 8; // folder createconst FL = 16; // folder listconst D = 32; // file deleteconst N = 64; // file renameconst A = 128; // file appendconst W = 256; // file write (upload)const R = 512; // file read (download) private $hash_salt = '';private $user_file;private $group_file;private $users = array();private $groups = array();private $file_hash = ''; public function __construct(){$this->user_file = BASE_PATH.'/conf/users';$this->group_file = BASE_PATH.'/conf/groups';$this->reload();}/*** 返回权限表达式* @param int $access* @return string*/public static function AC($access){$str = '';$char = array('R','W','A','N','D','L','C','N','D','I');for($i = 0; $i < 10; $i++){if($access & pow(2,9-$i))$str.= $char[$i];else $str.= '-';}return $str;}/*** 加载用户数据*/public function reload(){$user_file_hash = md5_file($this->user_file);$group_file_hash = md5_file($this->group_file); if($this->file_hash != md5($user_file_hash.$group_file_hash)){if(($user = file_get_contents($this->user_file)) !== false){$this->users = json_decode($user,true);if($this->users){//folder排序foreach ($this->users as $user=>$profile){if(isset($profile['folder'])){$this->users[$user]['folder'] = $this->sortFolder($profile['folder']);}}}}if(($group = file_get_contents($this->group_file)) !== false){$this->groups = json_decode($group,true);if($this->groups){//folder排序foreach ($this->groups as $group=>$profile){ if(isset($profile['folder'])){ $this->groups[$group]['folder'] = $this->sortFolder($profile['folder']);}}}}$this->file_hash = md5($user_file_hash.$group_file_hash); }}/*** 对folder进行排序* @return array*/private function sortFolder($folder){uasort($folder, function($a,$b){return strnatcmp($a['path'], $b['path']);}); $result = array();foreach ($folder as $v){$result[] = $v;} return $result;}/*** 保存用户数据*/public function save(){file_put_contents($this->user_file, json_encode($this->users),LOCK_EX);file_put_contents($this->group_file, json_encode($this->groups),LOCK_EX);}/*** 添加用户* @param string $user* @param string $pass* @param string $home* @param string $expired* @param boolean $active* @param string $group* @param string $description* @param string $email* @return boolean*/public function addUser($user,$pass,$home,$expired,$active=true,$group='',$description='',$email = ''){$user = strtolower($user);if(isset($this->users[$user]) || empty($user)){return false;} $this->users[$user] = array('pass' => md5($user.$this->hash_salt.$pass),'home' => $home,'expired' => $expired,'active' => $active,'group' => $group,'description' => $description,'email' => $email,);return true;}/*** 设置用户资料* @param string $user* @param array $profile* @return boolean*/public function setUserProfile($user,$profile){$user = strtolower($user);if(is_array($profile) && isset($this->users[$user])){if(isset($profile['pass'])){$profile['pass'] = md5($user.$this->hash_salt.$profile['pass']);}if(isset($profile['active'])){if(!is_bool($profile['active'])){$profile['active'] = $profile['active'] == 'true' ? true : false;}} $this->users[$user] = array_merge($this->users[$user],$profile);return true;}return false;}/*** 获取用户资料* @param string $user* @return multitype:|boolean*/public function getUserProfile($user){$user = strtolower($user);if(isset($this->users[$user])){return $this->users[$user];}return false;}/*** 删除用户* @param string $user* @return boolean*/public function delUser($user){$user = strtolower($user);if(isset($this->users[$user])){unset($this->users[$user]);return true;}return false;}/*** 获取用户列表* @return array*/public function getUserList(){$list = array();if($this->users){foreach ($this->users as $user=>$profile){$list[] = $user;}}sort($list);return $list;}/*** 添加组* @param string $group* @param string $home* @return boolean*/public function addGroup($group,$home){$group = strtolower($group);if(isset($this->groups[$group])){return false;}$this->groups[$group] = array('home' => $home);return true;}/*** 设置组资料* @param string $group* @param array $profile* @return boolean*/public function setGroupProfile($group,$profile){$group = strtolower($group);if(is_array($profile) && isset($this->groups[$group])){$this->groups[$group] = array_merge($this->groups[$group],$profile);return true;}return false;}/*** 获取组资料* @param string $group* @return multitype:|boolean*/public function getGroupProfile($group){$group = strtolower($group);if(isset($this->groups[$group])){return $this->groups[$group];}return false;}/*** 删除组* @param string $group* @return boolean*/public function delGroup($group){$group = strtolower($group);if(isset($this->groups[$group])){unset($this->groups[$group]);foreach ($this->users as $user => $profile){if($profile['group'] == $group)$this->users[$user]['group'] = '';}return true;}return false;}/*** 获取组列表* @return array*/public function getGroupList(){$list = array();if($this->groups){foreach ($this->groups as $group=>$profile){$list[] = $group;}}sort($list);return $list;}/*** 获取组用户列表* @param string $group* @return array*/public function getUserListOfGroup($group){$list = array();if(isset($this->groups[$group]) && $this->users){foreach ($this->users as $user=>$profile){if(isset($profile['group']) && $profile['group'] == $group){$list[] = $user;}}}sort($list);return $list;}/*** 用户验证* @param string $user* @param string $pass* @param string $ip* @return boolean*/public function checkUser($user,$pass,$ip = ''){$this->reload();$user = strtolower($user);if(isset($this->users[$user])){if($this->users[$user]['active'] && time() <= strtotime($this->users[$user]['expired'])&& $this->users[$user]['pass'] == md5($user.$this->hash_salt.$pass)){if(empty($ip)){return true;}else{//ip验证return $this->checkIP($user, $ip);}}else{return false;} }return false;}/*** basic auth * @param string $base64 */public function checkUserBasicAuth($base64){$base64 = trim(str_replace('Basic ', '', $base64));$str = base64_decode($base64);if($str !== false){list($user,$pass) = explode(':', $str,2);$this->reload();$user = strtolower($user);if(isset($this->users[$user])){$group = $this->users[$user]['group'];if($group == 'admin' && $this->users[$user]['active'] && time() <= strtotime($this->users[$user]['expired'])&& $this->users[$user]['pass'] == md5($user.$this->hash_salt.$pass)){ return true;}else{return false;}}}return false;}/*** 用户登录ip验证* @param string $user* @param string $ip* * 用户的ip权限继承组的IP权限。* 匹配规则：* 1.进行组允许列表匹配；* 2.如同通过，进行组拒绝列表匹配；* 3.进行用户允许匹配* 4.如果通过，进行用户拒绝匹配* */public function checkIP($user,$ip){$pass = false;//先进行组验证 $group = $this->users[$user]['group'];//组允许匹配if(isset($this->groups[$group]['ip']['allow'])){foreach ($this->groups[$group]['ip']['allow'] as $addr){$pattern = '/'.str_replace('*','/d+',str_replace('.', '/.', $addr)).'/';if(preg_match($pattern, $ip) && !empty($addr)){$pass = true;break;}}}//如果允许通过，进行拒绝匹配if($pass){if(isset($this->groups[$group]['ip']['deny'])){foreach ($this->groups[$group]['ip']['deny'] as $addr){$pattern = '/'.str_replace('*','/d+',str_replace('.', '/.', $addr)).'/';if(preg_match($pattern, $ip) && !empty($addr)){$pass = false;break;}}}}if(isset($this->users[$user]['ip']['allow'])){ foreach ($this->users[$user]['ip']['allow'] as $addr){$pattern = '/'.str_replace('*','/d+',str_replace('.', '/.', $addr)).'/';if(preg_match($pattern, $ip) && !empty($addr)){$pass = true;break;}}}if($pass){if(isset($this->users[$user]['ip']['deny'])){foreach ($this->users[$user]['ip']['deny'] as $addr){$pattern = '/'.str_replace('*','/d+',str_replace('.', '/.', $addr)).'/';if(preg_match($pattern, $ip) && !empty($addr)){$pass = false;break;}}}}echo date('Y-m-d H:i:s')." [debug]/tIP ACCESS:".' '.($pass?'true':'false')."/n";return $pass;}/*** 获取用户主目录* @param string $user* @return string*/public function getHomeDir($user){$user = strtolower($user);$group = $this->users[$user]['group'];$dir = '';if($group){if(isset($this->groups[$group]['home']))$dir = $this->groups[$group]['home'];}$dir = !empty($this->users[$user]['home'])?$this->users[$user]['home']:$dir;return $dir;}//文件权限判断public function isReadable($user,$path){ $result = $this->getPathAccess($user, $path);if($result['isExactMatch']){return $result['access'][0] == 'R';}else{return $result['access'][0] == 'R' && $result['access'][9] == 'I';}} public function isWritable($user,$path){ $result = $this->getPathAccess($user, $path); if($result['isExactMatch']){return $result['access'][1] == 'W';}else{return $result['access'][1] == 'W' && $result['access'][9] == 'I';}}public function isAppendable($user,$path){$result = $this->getPathAccess($user, $path);if($result['isExactMatch']){return $result['access'][2] == 'A';}else{return $result['access'][2] == 'A' && $result['access'][9] == 'I';}} public function isRenamable($user,$path){$result = $this->getPathAccess($user, $path);if($result['isExactMatch']){return $result['access'][3] == 'N';}else{return $result['access'][3] == 'N' && $result['access'][9] == 'I';}}public function isDeletable($user,$path){ $result = $this->getPathAccess($user, $path);if($result['isExactMatch']){return $result['access'][4] == 'D';}else{return $result['access'][4] == 'D' && $result['access'][9] == 'I';}}//目录权限判断public function isFolderListable($user,$path){$result = $this->getPathAccess($user, $path);if($result['isExactMatch']){return $result['access'][5] == 'L';}else{return $result['access'][5] == 'L' && $result['access'][9] == 'I';}}public function isFolderCreatable($user,$path){$result = $this->getPathAccess($user, $path);if($result['isExactMatch']){return $result['access'][6] == 'C';}else{return $result['access'][6] == 'C' && $result['access'][9] == 'I';}}public function isFolderRenamable($user,$path){$result = $this->getPathAccess($user, $path);if($result['isExactMatch']){return $result['access'][7] == 'N';}else{return $result['access'][7] == 'N' && $result['access'][9] == 'I';}}public function isFolderDeletable($user,$path){$result = $this->getPathAccess($user, $path);if($result['isExactMatch']){return $result['access'][8] == 'D';}else{return $result['access'][8] == 'D' && $result['access'][9] == 'I';}}/*** 获取目录权限* @param string $user* @param string $path* @return array* 进行最长路径匹配* * 返回：* array(* 'access'=>目前权限 * ,'isExactMatch'=>是否精确匹配* * );* * 如果精确匹配，则忽略inherit.* 否则应判断是否继承父目录的权限，* 权限位表：* +---+---+---+---+---+---+---+---+---+---+* | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |* +---+---+---+---+---+---+---+---+---+---+* | R | W | A | N | D | L | C | N | D | I |* +---+---+---+---+---+---+---+---+---+---+* | FILE | FOLDER |* +-------------------+-------------------+*/public function getPathAccess($user,$path){$this->reload();$user = strtolower($user);$group = $this->users[$user]['group']; //去除文件名称$path = str_replace(substr(strrchr($path, '/'),1),'',$path);$access = self::AC(0); $isExactMatch = false;if($group){if(isset($this->groups[$group]['folder'])){ foreach ($this->groups[$group]['folder'] as $f){//中文处理$t_path = iconv('UTF-8','GB18030',$f['path']); if(strpos($path, $t_path) === 0){$access = $f['access']; $isExactMatch = ($path == $t_path?true:false);} }}}if(isset($this->users[$user]['folder'])){foreach ($this->users[$user]['folder'] as $f){//中文处理$t_path = iconv('UTF-8','GB18030',$f['path']);if(strpos($path, $t_path) === 0){$access = $f['access']; $isExactMatch = ($path == $t_path?true:false);}}}echo date('Y-m-d H:i:s')." [debug]/tACCESS:$access ".' '.($isExactMatch?'1':'0')." $path/n";return array('access'=>$access,'isExactMatch'=>$isExactMatch);} /*** 添加在线用户* @param ShareMemory $shm* @param swoole_server $serv* @param unknown $user* @param unknown $fd* @param unknown $ip* @return Ambigous <multitype:, boolean, mixed, multitype:unknown number multitype:Ambigous <unknown, number> >*/public function addOnline(ShareMemory $shm ,$serv,$user,$fd,$ip){$shm_data = $shm->read();if($shm_data !== false){$shm_data['online'][$user.'-'.$fd] = array('ip'=>$ip,'time'=>time());$shm_data['last_login'][] = array('user' => $user,'ip'=>$ip,'time'=>time());//清除旧数据if(count($shm_data['last_login'])>30)array_shift($shm_data['last_login']);$list = array();foreach ($shm_data['online'] as $k =>$v){$arr = explode('-', $k);if($serv->connection_info($arr[1]) !== false){$list[$k] = $v;}}$shm_data['online'] = $list;$shm->write($shm_data);}return $shm_data;}/*** 添加登陆失败记录* @param ShareMemory $shm* @param unknown $user* @param unknown $ip* @return Ambigous <number, multitype:, boolean, mixed>*/public function addAttempt(ShareMemory $shm ,$user,$ip){$shm_data = $shm->read();if($shm_data !== false){if(isset($shm_data['login_attempt'][$ip.'||'.$user]['count'])){$shm_data['login_attempt'][$ip.'||'.$user]['count'] += 1;}else{$shm_data['login_attempt'][$ip.'||'.$user]['count'] = 1;}$shm_data['login_attempt'][$ip.'||'.$user]['time'] = time();//清除旧数据if(count($shm_data['login_attempt'])>30)array_shift($shm_data['login_attempt']);$shm->write($shm_data);}return $shm_data;}/*** 密码错误上限* @param unknown $shm* @param unknown $user* @param unknown $ip* @return boolean*/public function isAttemptLimit(ShareMemory $shm,$user,$ip){$shm_data = $shm->read();if($shm_data !== false){if(isset($shm_data['login_attempt'][$ip.'||'.$user]['count'])){if($shm_data['login_attempt'][$ip.'||'.$user]['count'] > 10 &&time() - $shm_data['login_attempt'][$ip.'||'.$user]['time'] < 600){ return true;}}}return false;}/*** 生成随机密钥* @param int $len* @return Ambigous <NULL, string>*/public static function genPassword($len){$str = null;$strPol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz@!#$%*+-";$max = strlen($strPol)-1;for($i=0;$i<$len;$i++){$str.=$strPol[rand(0,$max)];//rand($min,$max)生成介于min和max两个数之间的一个随机整数}return $str;} } 

class ShareMemory{private $mode = 0644;private $shm_key;private $shm_size;/*** 构造函数 */public function __construct(){$key = 'F';$size = 1024*1024;$this->shm_key = ftok(__FILE__,$key);$this->shm_size = $size + 1;}/*** 读取内存数组* @return array|boolean*/public function read(){if(($shm_id = shmop_open($this->shm_key,'c',$this->mode,$this->shm_size)) !== false){$str = shmop_read($shm_id,1,$this->shm_size-1);shmop_close($shm_id);if(($i = strpos($str,"/0")) !== false)$str = substr($str,0,$i);if($str){return json_decode($str,true);}else{return array();}}return false;}/*** 写入数组到内存* @param array $arr* @return int|boolean*/public function write($arr){if(!is_array($arr))return false;$str = json_encode($arr)."/0";if(strlen($str) > $this->shm_size) return false;if(($shm_id = shmop_open($this->shm_key,'c',$this->mode,$this->shm_size)) !== false){ $count = shmop_write($shm_id,$str,1);shmop_close($shm_id);return $count;}return false;}/*** 删除内存块，下次使用时将重新开辟内存块* @return boolean*/public function delete(){if(($shm_id = shmop_open($this->shm_key,'c',$this->mode,$this->shm_size)) !== false){$result = shmop_delete($shm_id);shmop_close($shm_id);return $result;}return false;}} 

class CWebServer{protected $buffer_header = array();protected $buffer_maxlen = 65535; //最大POST尺寸const DATE_FORMAT_HTTP = 'D, d-M-Y H:i:s T';const HTTP_EOF = "/r/n/r/n";const HTTP_HEAD_MAXLEN = 8192; //http头最大长度不得超过2kconst HTTP_POST_MAXLEN = 1048576;//1mconst ST_FINISH = 1; //完成，进入处理流程const ST_WAIT = 2; //等待数据const ST_ERROR = 3; //错误，丢弃此包private $requsts = array();private $config = array();public function log($msg,$level = 'debug'){echo date('Y-m-d H:i:s').' ['.$level."]/t" .$msg."/n";}public function __construct($config = array()){$this->config = array('wwwroot' => __DIR__.'/wwwroot/','index' => 'index.php','path_deny' => array('/protected/'), ); }public function onReceive($serv,$fd,$data){ $ret = $this->checkData($fd, $data);switch ($ret){case self::ST_ERROR:$serv->close($fd);$this->cleanBuffer($fd);$this->log('Recevie error.');break;case self::ST_WAIT: $this->log('Recevie wait.');return;default:break;}//开始完整的请求$request = $this->requsts[$fd];$info = $serv->connection_info($fd); $request = $this->parseRequest($request);$request['remote_ip'] = $info['remote_ip'];$response = $this->onRequest($request);$output = $this->parseResponse($request,$response);$serv->send($fd,$output);if(isset($request['head']['Connection']) && strtolower($request['head']['Connection']) == 'close'){$serv->close($fd);}unset($this->requsts[$fd]);$_REQUEST = $_SESSION = $_COOKIE = $_FILES = $_POST = $_SERVER = $_GET = array();}/*** 处理请求* @param array $request* @return array $response* * $request=array(* 'time'=>* 'head'=>array(* 'method'=>* 'path'=>* 'protocol'=>* 'uri'=>* //other http header* '..'=>value* )* 'body'=>* 'get'=>(if appropriate)* 'post'=>(if appropriate)* 'cookie'=>(if appropriate)* * * )*/public function onRequest($request){ if($request['head']['path'][strlen($request['head']['path']) - 1] == '/'){$request['head']['path'] .= $this->config['index'];}$response = $this->process($request);return $response;} /*** 清除数据* @param unknown $fd*/public function cleanBuffer($fd){unset($this->requsts[$fd]);unset($this->buffer_header[$fd]);}/*** 检查数据* @param unknown $fd* @param unknown $data* @return string*/public function checkData($fd,$data){if(isset($this->buffer_header[$fd])){$data = $this->buffer_header[$fd].$data;}$request = $this->checkHeader($fd, $data);//请求头错误if($request === false){$this->buffer_header[$fd] = $data;if(strlen($data) > self::HTTP_HEAD_MAXLEN){return self::ST_ERROR;}else{return self::ST_WAIT;}}//post请求检查if($request['head']['method'] == 'POST'){return $this->checkPost($request);}else{return self::ST_FINISH;} }/*** 检查请求头* @param unknown $fd* @param unknown $data* @return boolean|array*/public function checkHeader($fd, $data){//新的请求if(!isset($this->requsts[$fd])){//http头结束符$ret = strpos($data,self::HTTP_EOF);if($ret === false){return false;}else{$this->buffer_header[$fd] = '';$request = array();list($header,$request['body']) = explode(self::HTTP_EOF, $data,2); $request['head'] = $this->parseHeader($header); $this->requsts[$fd] = $request;if($request['head'] == false){return false;}}}else{//post 数据合并$request = $this->requsts[$fd];$request['body'] .= $data;}return $request;}/*** 解析请求头* @param string $header* @return array* array(* 'method'=>,* 'uri'=>* 'protocol'=>* 'name'=>value,...* * * * }*/public function parseHeader($header){$request = array();$headlines = explode("/r/n", $header);list($request['method'],$request['uri'],$request['protocol']) = explode(' ', $headlines[0],3); foreach ($headlines as $k=>$line){$line = trim($line); if($k && !empty($line) && strpos($line,':') !== false){list($name,$value) = explode(':', $line,2);$request[trim($name)] = trim($value);}} return $request;}/*** 检查post数据是否完整* @param unknown $request* @return string*/public function checkPost($request){if(isset($request['head']['Content-Length'])){if(intval($request['head']['Content-Length']) > self::HTTP_POST_MAXLEN){return self::ST_ERROR;}if(intval($request['head']['Content-Length']) > strlen($request['body'])){return self::ST_WAIT;}else{return self::ST_FINISH;}}return self::ST_ERROR;}/*** 解析请求* @param unknown $request* @return Ambigous <unknown, mixed, multitype:string >*/public function parseRequest($request){$request['time'] = time();$url_info = parse_url($request['head']['uri']);$request['head']['path'] = $url_info['path'];if(isset($url_info['fragment']))$request['head']['fragment'] = $url_info['fragment'];if(isset($url_info['query'])){parse_str($url_info['query'],$request['get']);}//parse post bodyif($request['head']['method'] == 'POST'){//目前只处理表单提交 if (isset($request['head']['Content-Type']) && substr($request['head']['Content-Type'], 0, 33) == 'application/x-www-form-urlencoded'|| isset($request['head']['X-Request-With']) && $request['head']['X-Request-With'] == 'XMLHttpRequest'){parse_str($request['body'],$request['post']);}}//parse cookiesif(!empty($request['head']['Cookie'])){$params = array();$blocks = explode(";", $request['head']['Cookie']);foreach ($blocks as $b){$_r = explode("=", $b, 2);if(count($_r)==2){list ($key, $value) = $_r;$params[trim($key)] = trim($value, "/r/n /t/"");}else{$params[$_r[0]] = '';}}$request['cookie'] = $params;}return $request;}public function parseResponse($request,$response){if(!isset($response['head']['Date'])){$response['head']['Date'] = gmdate("D, d M Y H:i:s T");}if(!isset($response['head']['Content-Type'])){$response['head']['Content-Type'] = 'text/html;charset=utf-8';}if(!isset($response['head']['Content-Length'])){$response['head']['Content-Length'] = strlen($response['body']);}if(!isset($response['head']['Connection'])){if(isset($request['head']['Connection']) && strtolower($request['head']['Connection']) == 'keep-alive'){$response['head']['Connection'] = 'keep-alive';}else{$response['head']['Connection'] = 'close';} }$response['head']['Server'] = CFtpServer::$software.'/'.CFtpServer::VERSION; $out = '';if(isset($response['head']['Status'])){$out .= 'HTTP/1.1 '.$response['head']['Status']."/r/n";unset($response['head']['Status']);}else{$out .= "HTTP/1.1 200 OK/r/n";}//headersforeach($response['head'] as $k=>$v){$out .= $k.': '.$v."/r/n";}//cookiesif($_COOKIE){ $arr = array();foreach ($_COOKIE as $k => $v){$arr[] = $k.'='.$v; }$out .= 'Set-Cookie: '.implode(';', $arr)."/r/n";}//End$out .= "/r/n";$out .= $response['body'];return $out;}/*** 处理请求* @param unknown $request* @return array*/public function process($request){$path = $request['head']['path'];$isDeny = false;foreach ($this->config['path_deny'] as $p){if(strpos($path, $p) === 0){$isDeny = true;break;}}if($isDeny){return $this->httpError(403, '服务器拒绝访问:路径错误'); }if(!in_array($request['head']['method'],array('GET','POST'))){return $this->httpError(500, '服务器拒绝访问:错误的请求方法');}$file_ext = strtolower(trim(substr(strrchr($path, '.'), 1)));$path = realpath(rtrim($this->config['wwwroot'],'/'). '/' . ltrim($path,'/'));$this->log('WEB:['.$request['head']['method'].'] '.$request['head']['uri'] .' '.json_encode(isset($request['post'])?$request['post']:array()));$response = array();if($file_ext == 'php'){if(is_file($path)){//设置全局变量 if(isset($request['get']))$_GET = $request['get'];if(isset($request['post']))$_POST = $request['post'];if(isset($request['cookie']))$_COOKIE = $request['cookie'];$_REQUEST = array_merge($_GET,$_POST, $_COOKIE); foreach ($request['head'] as $key => $value){$_key = 'HTTP_'.strtoupper(str_replace('-', '_', $key));$_SERVER[$_key] = $value;}$_SERVER['REMOTE_ADDR'] = $request['remote_ip'];$_SERVER['REQUEST_URI'] = $request['head']['uri']; //进行http authif(isset($_GET['c']) && strtolower($_GET['c']) != 'site'){if(isset($request['head']['Authorization'])){$user = new User();if($user->checkUserBasicAuth($request['head']['Authorization'])){$response['head']['Status'] = self::$HTTP_HEADERS[200];goto process;}}$response['head']['Status'] = self::$HTTP_HEADERS[401];$response['head']['WWW-Authenticate'] = 'Basic realm="Real-Data-FTP"'; $_GET['c'] = 'Site';$_GET['a'] = 'Unauthorized'; }process: ob_start(); try{include $path; $response['body'] = ob_get_contents();$response['head']['Content-Type'] = APP::$content_type; }catch (Exception $e){$response = $this->httpError(500, $e->getMessage());}ob_end_clean();}else{$response = $this->httpError(404, '页面不存在');}}else{//处理静态文件if(is_file($path)){$response['head']['Content-Type'] = isset(self::$MIME_TYPES[$file_ext]) ? self::$MIME_TYPES[$file_ext]:"application/octet-stream";//使用缓存if(!isset($request['head']['If-Modified-Since'])){$fstat = stat($path);$expire = 2592000;//30 days$response['head']['Status'] = self::$HTTP_HEADERS[200];$response['head']['Cache-Control'] = "max-age={$expire}";$response['head']['Pragma'] = "max-age={$expire}";$response['head']['Last-Modified'] = date(self::DATE_FORMAT_HTTP, $fstat['mtime']);$response['head']['Expires'] = "max-age={$expire}";$response['body'] = file_get_contents($path);}else{$response['head']['Status'] = self::$HTTP_HEADERS[304];$response['body'] = '';} }else{$response = $this->httpError(404, '页面不存在');} }return $response;}public function httpError($code, $content){$response = array();$version = CFtpServer::$software.'/'.CFtpServer::VERSION; $response['head']['Content-Type'] = 'text/html;charset=utf-8';$response['head']['Status'] = self::$HTTP_HEADERS[$code];$response['body'] = <<<html<!DOCTYPE html><html lang="zh-CN"><head><meta charset="utf-8"> <title>FTP后台管理 </title></head><body><p>{$content}</p><div style="text-align:center"><hr>{$version} Copyright © 2015 by <a target='_new' href='http://www.realdatamed.com'>Real Data</a> All Rights Reserved.</div></body></html>html;return $response;}static $HTTP_HEADERS = array(100 => "100 Continue",101 => "101 Switching Protocols",200 => "200 OK",201 => "201 Created",204 => "204 No Content",206 => "206 Partial Content",300 => "300 Multiple Choices",301 => "301 Moved Permanently",302 => "302 Found",303 => "303 See Other",304 => "304 Not Modified",307 => "307 Temporary Redirect",400 => "400 Bad Request",401 => "401 Unauthorized",403 => "403 Forbidden",404 => "404 Not Found",405 => "405 Method Not Allowed",406 => "406 Not Acceptable",408 => "408 Request Timeout",410 => "410 Gone",413 => "413 Request Entity Too Large",414 => "414 Request URI Too Long",415 => "415 Unsupported Media Type",416 => "416 Requested Range Not Satisfiable",417 => "417 Expectation Failed",500 => "500 Internal Server Error",501 => "501 Method Not Implemented",503 => "503 Service Unavailable",506 => "506 Variant Also Negotiates",);static $MIME_TYPES = array( 'jpg' => 'image/jpeg','bmp' => 'image/bmp','ico' => 'image/x-icon','gif' => 'image/gif','png' => 'image/png' ,'bin' => 'application/octet-stream','js' => 'application/javascript','css' => 'text/css' ,'html' => 'text/html' ,'xml' => 'text/xml','tar' => 'application/x-tar' ,'ppt' => 'application/vnd.ms-powerpoint','pdf' => 'application/pdf' ,'svg' => ' image/svg+xml','woff' => 'application/x-font-woff','woff2' => 'application/x-font-woff', ); } 

defined('DEBUG_ON') or define('DEBUG_ON', false);//主目录defined('BASE_PATH') or define('BASE_PATH', __DIR__);require_once BASE_PATH.'/inc/User.php';require_once BASE_PATH.'/inc/ShareMemory.php';require_once BASE_PATH.'/web/CWebServer.php';require_once BASE_PATH.'/inc/CSmtp.php';class CFtpServer{//软件版本const VERSION = '2.0'; const EOF = "/r/n"; public static $software "FTP-Server";private static $server_mode = SWOOLE_PROCESS; private static $pid_file;private static $log_file; //待写入文件的日志队列（缓冲区）private $queue = array();private $pasv_port_range = array(55000,60000);public $host = '0.0.0.0';public $port = 21;public $setting = array();//最大连接数public $max_connection = 50; //web管理端口public $manager_port = 8080;//tlspublic $ftps_port = 990;/*** @var swoole_server*/protected $server;protected $connection = array();protected $session = array();protected $user;//用户类，复制验证与权限//共享内存类protected $shm;//ShareMemory/*** * @var embedded http server*/protected $webserver;/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 静态方法+++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/public static function setPidFile($pid_file){self::$pid_file = $pid_file;}/*** 服务启动控制方法*/public static function start($startFunc){if(empty(self::$pid_file)){exit("Require pid file./n"); }if(!extension_loaded('posix')){ exit("Require extension `posix`./n"); }if(!extension_loaded('swoole')){ exit("Require extension `swoole`./n"); }if(!extension_loaded('shmop')){exit("Require extension `shmop`./n");}if(!extension_loaded('openssl')){exit("Require extension `openssl`./n");}$pid_file = self::$pid_file;$server_pid = 0;if(is_file($pid_file)){$server_pid = file_get_contents($pid_file);}global $argv;if(empty($argv[1])){goto usage;}elseif($argv[1] == 'reload'){if (empty($server_pid)){exit("FtpServer is not running/n");}posix_kill($server_pid, SIGUSR1);exit;}elseif ($argv[1] == 'stop'){if (empty($server_pid)){exit("FtpServer is not running/n");}posix_kill($server_pid, SIGTERM);exit;}elseif ($argv[1] == 'start'){//已存在ServerPID，并且进程存在if (!empty($server_pid) and posix_kill($server_pid,(int) 0)){exit("FtpServer is already running./n");}//启动服务器$startFunc(); }else{usage:exit("Usage: php {$argv[0]} start|stop|reload/n");}}/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 方法+++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/public function __construct($host,$port){$this->user = new User();$this->shm = new ShareMemory();$this->shm->write(array());$flag = SWOOLE_SOCK_TCP;$this->server = new swoole_server($host,$port,self::$server_mode,$flag);$this->host = $host;$this->port = $port;$this->setting = array('backlog' => 128, 'dispatch_mode' => 2,); }public function daemonize(){$this->setting['daemonize'] = 1; }public function getConnectionInfo($fd){return $this->server->connection_info($fd); }/*** 启动服务进程* @param array $setting* @throws Exception*/ public function run($setting = array()){$this->setting = array_merge($this->setting,$setting); //不使用swoole的默认日志if(isset($this->setting['log_file'])){self::$log_file = $this->setting['log_file'];unset($this->setting['log_file']);} if(isset($this->setting['max_connection'])){$this->max_connection = $this->setting['max_connection'];unset($this->setting['max_connection']);}if(isset($this->setting['manager_port'])){$this->manager_port = $this->setting['manager_port'];unset($this->setting['manager_port']);}if(isset($this->setting['ftps_port'])){$this->ftps_port = $this->setting['ftps_port'];unset($this->setting['ftps_port']);}if(isset($this->setting['passive_port_range'])){$this->pasv_port_range = $this->setting['passive_port_range'];unset($this->setting['passive_port_range']);} $this->server->set($this->setting);$version = explode('.', SWOOLE_VERSION);if($version[0] == 1 && $version[1] < 7 && $version[2] <20){throw new Exception('Swoole version require 1.7.20 +.');}//事件绑定$this->server->on('start',array($this,'onMasterStart'));$this->server->on('shutdown',array($this,'onMasterStop'));$this->server->on('ManagerStart',array($this,'onManagerStart'));$this->server->on('ManagerStop',array($this,'onManagerStop'));$this->server->on('WorkerStart',array($this,'onWorkerStart'));$this->server->on('WorkerStop',array($this,'onWorkerStop'));$this->server->on('WorkerError',array($this,'onWorkerError'));$this->server->on('Connect',array($this,'onConnect'));$this->server->on('Receive',array($this,'onReceive'));$this->server->on('Close',array($this,'onClose'));//管理端口$this->server->addlistener($this->host,$this->manager_port,SWOOLE_SOCK_TCP);//tls$this->server->addlistener($this->host,$this->ftps_port,SWOOLE_SOCK_TCP | SWOOLE_SSL);$this->server->start();}public function log($msg,$level = 'debug',$flush = false){ if(DEBUG_ON){$log = date('Y-m-d H:i:s').' ['.$level."]/t" .$msg."/n";if(!empty(self::$log_file)){$debug_file = dirname(self::$log_file).'/debug.log'; file_put_contents($debug_file, $log,FILE_APPEND);if(filesize($debug_file) > 10485760){//10Munlink($debug_file);}}echo $log; }if($level != 'debug'){//日志记录 $this->queue[] = date('Y-m-d H:i:s')."/t[".$level."]/t".$msg; } if(count($this->queue)>10 && !empty(self::$log_file) || $flush){if (filesize(self::$log_file) > 209715200){ //200M rename(self::$log_file,self::$log_file.'.'.date('His'));}$logs = '';foreach ($this->queue as $q){$logs .= $q."/n";}file_put_contents(self::$log_file, $logs,FILE_APPEND);$this->queue = array();} }public function shutdown(){return $this->server->shutdown();}public function close($fd){return $this->server->close($fd);}public function send($fd,$data){$data = strtr($data,array("/n" => "", "/0" => "", "/r" => ""));$this->log("[-->]/t" . $data);return $this->server->send($fd,$data.self::EOF);}/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 事件回调+++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/public function onMasterStart($serv){global $argv;swoole_set_process_name('php '.$argv[0].': master -host='.$this->host.' -port='.$this->port.'/'.$this->manager_port);if(!empty($this->setting['pid_file'])){file_put_contents(self::$pid_file, $serv->master_pid);}$this->log('Master started.');}public function onMasterStop($serv){if (!empty($this->setting['pid_file'])){unlink(self::$pid_file);}$this->shm->delete();$this->log('Master stop.');}public function onManagerStart($serv){global $argv;swoole_set_process_name('php '.$argv[0].': manager');$this->log('Manager started.');}public function onManagerStop($serv){$this->log('Manager stop.');}public function onWorkerStart($serv,$worker_id){global $argv;if($worker_id >= $serv->setting['worker_num']) {swoole_set_process_name("php {$argv[0]}: worker [task]");} else {swoole_set_process_name("php {$argv[0]}: worker [{$worker_id}]");}$this->log("Worker {$worker_id} started.");}public function onWorkerStop($serv,$worker_id){$this->log("Worker {$worker_id} stop.");}public function onWorkerError($serv,$worker_id,$worker_pid,$exit_code){$this->log("Worker {$worker_id} error:{$exit_code}.");}public function onConnect($serv,$fd,$from_id){$info = $this->getConnectionInfo($fd);if($info['server_port'] == $this->manager_port){//web请求$this->webserver = new CWebServer();}else{$this->send($fd, "220---------- Welcome to " . self::$software . " ----------");$this->send($fd, "220-Local time is now " . date("H:i"));$this->send($fd, "220 This is a private system - No anonymous login");if(count($this->server->connections) <= $this->max_connection){if($info['server_port'] == $this->port && isset($this->setting['force_ssl']) && $this->setting['force_ssl']){//如果启用强制ssl $this->send($fd, "421 Require implicit FTP over tls, closing control connection.");$this->close($fd);return ;}$this->connection[$fd] = array();$this->session = array();$this->queue = array(); }else{ $this->send($fd, "421 Too many connections, closing control connection.");$this->close($fd);}}}public function onReceive($serv,$fd,$from_id,$recv_data){$info = $this->getConnectionInfo($fd);if($info['server_port'] == $this->manager_port){//web请求$this->webserver->onReceive($this->server, $fd, $recv_data);}else{$read = trim($recv_data);$this->log("[<--]/t" . $read);$cmd = explode(" ", $read); $func = 'cmd_'.strtoupper($cmd[0]);$data = trim(str_replace($cmd[0], '', $read));if (!method_exists($this, $func)){$this->send($fd, "500 Unknown Command");return;}if (empty($this->connection[$fd]['login'])){switch($cmd[0]){case 'TYPE':case 'USER':case 'PASS':case 'QUIT':case 'AUTH':case 'PBSZ':break;default:$this->send($fd,"530 You aren't logged in");return;}}$this->$func($fd,$data);}} public function onClose($serv,$fd,$from_id){//在线用户 $shm_data = $this->shm->read();if($shm_data !== false){if(isset($shm_data['online'])){$list = array();foreach($shm_data['online'] as $u => $info){ if(!preg_match('//.*-'.$fd.'$/',$u,$m))$list[$u] = $info;}$shm_data['online'] = $list;$this->shm->write($shm_data); } }$this->log('Socket '.$fd.' close. Flush the logs.','debug',true);}/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 工具函数+++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*** 获取用户名* @param $fd*/public function getUser($fd){return isset($this->connection[$fd]['user'])?$this->connection[$fd]['user']:'';}/*** 获取文件全路径* @param $user* @param $file* @return string|boolean*/public function getFile($user, $file){$file = $this->fillDirName($user, $file); if (is_file($file)){return realpath($file);}else{return false;}}/*** 遍历目录* @param $rdir* @param $showHidden* @param $format list/mlsd* @return string* * list 使用local时间* mlsd 使用gmt时间*/public function getFileList($user, $rdir, $showHidden = false, $format = 'list'){$filelist = '';if($format == 'mlsd'){$stats = stat($rdir);$filelist.= 'Type=cdir;Modify='.gmdate('YmdHis',$stats['mtime']).';UNIX.mode=d'.$this->mode2char($stats['mode']).'; '.$this->getUserDir($user)."/r/n";}if ($handle = opendir($rdir)){$isListable = $this->user->isFolderListable($user, $rdir);while (false !== ($file = readdir($handle))){if ($file == '.' or $file == '..'){continue;}if ($file{0} == "." and !$showHidden){continue;}//如果当前目录$rdir不允许列出，则判断当前目录下的目录是否配置为可以列出 if(!$isListable){ $dir = $rdir . $file;if(is_dir($dir)){$dir = $this->joinPath($dir, '/');if($this->user->isFolderListable($user, $dir)){ goto listFolder;}}continue;} listFolder: $stats = stat($rdir . $file);if (is_dir($rdir . "/" . $file)) $mode = "d"; else $mode = "-";$mode .= $this->mode2char($stats['mode']);if($format == 'mlsd'){if($mode[0] == 'd'){$filelist.= 'Type=dir;Modify='.gmdate('YmdHis',$stats['mtime']).';UNIX.mode='.$mode.'; '.$file."/r/n";}else{$filelist.= 'Type=file;Size='.$stats['size'].';Modify='.gmdate('YmdHis',$stats['mtime']).';UNIX.mode='.$mode.'; '.$file."/r/n";}}else{$uidfill = "";for ($i = strlen($stats['uid']); $i < 5; $i++) $uidfill .= " ";$gidfill = "";for ($i = strlen($stats['gid']); $i < 5; $i++) $gidfill .= " ";$sizefill = "";for ($i = strlen($stats['size']); $i < 11; $i++) $sizefill .= " ";$nlinkfill = "";for ($i = strlen($stats['nlink']); $i < 5; $i++) $nlinkfill .= " ";$mtime = date("M d H:i", $stats['mtime']);$filelist .= $mode . $nlinkfill . $stats['nlink'] . " " . $stats['uid'] . $uidfill . $stats['gid'] . $gidfill . $sizefill . $stats['size'] . " " . $mtime . " " . $file . "/r/n";}}closedir($handle);}return $filelist;}/*** 将文件的全新从数字转换为字符串* @param int $int*/public function mode2char($int){$mode = '';$moded = sprintf("%o", ($int & 000777));$mode1 = substr($moded, 0, 1);$mode2 = substr($moded, 1, 1);$mode3 = substr($moded, 2, 1);switch ($mode1) {case "0":$mode .= "---";break;case "1":$mode .= "--x";break;case "2":$mode .= "-w-";break;case "3":$mode .= "-wx";break;case "4":$mode .= "r--";break;case "5":$mode .= "r-x";break;case "6":$mode .= "rw-";break;case "7":$mode .= "rwx";break;}switch ($mode2) {case "0":$mode .= "---";break;case "1":$mode .= "--x";break;case "2":$mode .= "-w-";break;case "3":$mode .= "-wx";break;case "4":$mode .= "r--";break;case "5":$mode .= "r-x";break;case "6":$mode .= "rw-";break;case "7":$mode .= "rwx";break;}switch ($mode3) {case "0":$mode .= "---";break;case "1":$mode .= "--x";break;case "2":$mode .= "-w-";break;case "3":$mode .= "-wx";break;case "4":$mode .= "r--";break;case "5":$mode .= "r-x";break;case "6":$mode .= "rw-";break;case "7":$mode .= "rwx";break;}return $mode;}/*** 设置用户当前的路径 * @param $user* @param $pwd*/public function setUserDir($user, $cdir){$old_dir = $this->session[$user]['pwd'];if ($old_dir == $cdir){return $cdir;} if($cdir[0] != '/')$cdir = $this->joinPath($old_dir,$cdir); $this->session[$user]['pwd'] = $cdir;$abs_dir = realpath($this->getAbsDir($user));if (!$abs_dir){$this->session[$user]['pwd'] = $old_dir;return false;}$this->session[$user]['pwd'] = $this->joinPath('/',substr($abs_dir, strlen($this->session[$user]['home'])));$this->session[$user]['pwd'] = $this->joinPath($this->session[$user]['pwd'],'/');$this->log("CHDIR: $old_dir -> $cdir");return $this->session[$user]['pwd'];}/*** 获取全路径* @param $user* @param $file* @return string*/public function fillDirName($user, $file){ if (substr($file, 0, 1) != "/"){$file = '/'.$file;$file = $this->joinPath($this->getUserDir( $user), $file);} $file = $this->joinPath($this->session[$user]['home'],$file);return $file;}/*** 获取用户路径* @param unknown $user*/public function getUserDir($user){return $this->session[$user]['pwd'];}/*** 获取用户的当前文件系统绝对路径，非chroot路径* @param $user* @return string*/public function getAbsDir($user){$rdir = $this->joinPath($this->session[$user]['home'],$this->session[$user]['pwd']);return $rdir;}/*** 路径连接* @param string $path1* @param string $path2* @return string*/public function joinPath($path1,$path2){ $path1 = rtrim($path1,'/');$path2 = trim($path2,'/');return $path1.'/'.$path2;}/*** IP判断* @param string $ip* @return boolean*/public function isIPAddress($ip){if (!is_numeric($ip[0]) || $ip[0] < 1 || $ip[0] > 254) {return false;} elseif (!is_numeric($ip[1]) || $ip[1] < 0 || $ip[1] > 254) {return false;} elseif (!is_numeric($ip[2]) || $ip[2] < 0 || $ip[2] > 254) {return false;} elseif (!is_numeric($ip[3]) || $ip[3] < 1 || $ip[3] > 254) {return false;} elseif (!is_numeric($ip[4]) || $ip[4] < 1 || $ip[4] > 500) {return false;} elseif (!is_numeric($ip[5]) || $ip[5] < 1 || $ip[5] > 500) {return false;} else {return true;}}/*** 获取pasv端口* @return number*/public function getPasvPort(){$min = is_int($this->pasv_port_range[0])?$this->pasv_port_range[0]:55000;$max = is_int($this->pasv_port_range[1])?$this->pasv_port_range[1]:60000;$max = $max <= 65535 ? $max : 65535;$loop = 0;$port = 0;while($loop < 10){$port = mt_rand($min, $max);if($this->isAvailablePasvPort($port)){ break;}$loop++;} return $port;}public function pushPasvPort($port){$shm_data = $this->shm->read();if($shm_data !== false){if(isset($shm_data['pasv_port'])){array_push($shm_data['pasv_port'], $port);}else{$shm_data['pasv_port'] = array($port);}$this->shm->write($shm_data);$this->log('Push pasv port: '.implode(',', $shm_data['pasv_port']));return true;}return false;}public function popPasvPort($port){$shm_data = $this->shm->read();if($shm_data !== false){if(isset($shm_data['pasv_port'])){$tmp = array();foreach ($shm_data['pasv_port'] as $p){if($p != $port){$tmp[] = $p;}}$shm_data['pasv_port'] = $tmp;}$this->shm->write($shm_data);$this->log('Pop pasv port: '.implode(',', $shm_data['pasv_port']));return true;}return false;}public function isAvailablePasvPort($port){$shm_data = $this->shm->read();if($shm_data !== false){if(isset($shm_data['pasv_port'])){return !in_array($port, $shm_data['pasv_port']);}return true;}return false;}/*** 获取当前数据链接tcp个数*/public function getDataConnections(){$shm_data = $this->shm->read();if($shm_data !== false){if(isset($shm_data['pasv_port'])){return count($shm_data['pasv_port']);} }return 0;} /*** 关闭数据传输socket* @param $user* @return bool*/public function closeUserSock($user){$peer = stream_socket_get_name($this->session[$user]['sock'], false);list($ip,$port) = explode(':', $peer);//释放端口占用$this->popPasvPort($port);fclose($this->session[$user]['sock']);$this->session[$user]['sock'] = 0;return true;}/*** @param $user* @return resource*/public function getUserSock($user){//被动模式if ($this->session[$user]['pasv'] == true){if (empty($this->session[$user]['sock'])){$addr = stream_socket_get_name($this->session[$user]['serv_sock'], false);list($ip, $port) = explode(':', $addr);$sock = stream_socket_accept($this->session[$user]['serv_sock'], 5);if ($sock){$peer = stream_socket_get_name($sock, true);$this->log("Accept: success client is $peer.");$this->session[$user]['sock'] = $sock;//关闭server socketfclose($this->session[$user]['serv_sock']);}else{$this->log("Accept: failed.");//释放端口$this->popPasvPort($port);return false;}}}return $this->session[$user]['sock'];}/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ FTP Command+++++++++++++++++++++++++++++++++++++++++++++++++++++++++*///==================//RFC959//==================/*** 登录用户名* @param $fd* @param $data*/public function cmd_USER($fd, $data){if (preg_match("/^([a-z0-9.@]+)$/", $data)){$user = strtolower($data);$this->connection[$fd]['user'] = $user; $this->send($fd, "331 User $user OK. Password required");}else{$this->send($fd, "530 Login authentication failed");}}/*** 登录密码* @param $fd* @param $data*/public function cmd_PASS($fd, $data){$user = $this->connection[$fd]['user'];$pass = $data;$info = $this->getConnectionInfo($fd);$ip = $info['remote_ip'];//判断登陆失败次数if($this->user->isAttemptLimit($this->shm, $user, $ip)){$this->send($fd, "530 Login authentication failed: Too many login attempts. Blocked in 10 minutes.");return;} if ($this->user->checkUser($user, $pass, $ip)){$dir = "/";$this->session[$user]['pwd'] = $dir;//ftp根目录 $this->session[$user]['home'] = $this->user->getHomeDir($user);if(empty($this->session[$user]['home']) || !is_dir($this->session[$user]['home'])){$this->send($fd, "530 Login authentication failed: `home` path error.");}else{$this->connection[$fd]['login'] = true;//在线用户$shm_data = $this->user->addOnline($this->shm, $this->server, $user, $fd, $ip);$this->log('SHM: '.json_encode($shm_data) );$this->send($fd, "230 OK. Current restricted directory is " . $dir); $this->log('User '.$user .' has login successfully! IP: '.$ip,'warn');}}else{$this->user->addAttempt($this->shm, $user, $ip);$this->log('User '.$user .' login fail! IP: '.$ip,'warn');$this->send($fd, "530 Login authentication failed: check your pass or ip allow rules.");}}/*** 更改当前目录* @param $fd* @param $data*/public function cmd_CWD($fd, $data){$user = $this->getUser($fd);if (($dir = $this->setUserDir($user, $data)) != false){$this->send($fd, "250 OK. Current directory is " . $dir);}else{$this->send($fd, "550 Can't change directory to " . $data . ": No such file or directory");}}/*** 返回上级目录* @param $fd* @param $data*/public function cmd_CDUP($fd, $data){$data = '..';$this->cmd_CWD($fd, $data);}/*** 退出服务器* @param $fd* @param $data*/public function cmd_QUIT($fd, $data){$this->send($fd,"221 Goodbye.");unset($this->connection[$fd]);}/*** 获取当前目录* @param $fd* @param $data*/public function cmd_PWD($fd, $data){$user = $this->getUser($fd);$this->send($fd, "257 /"" . $this->getUserDir($user) . "/" is your current location");}/*** 下载文件* @param $fd* @param $data*/public function cmd_RETR($fd, $data){$user = $this->getUser($fd);$ftpsock = $this->getUserSock($user);if (!$ftpsock){$this->send($fd, "425 Connection Error");return;}if (($file = $this->getFile($user, $data)) != false){if($this->user->isReadable($user, $file)){$this->send($fd, "150 Connecting to client");if ($fp = fopen($file, "rb")){//断点续传if(isset($this->session[$user]['rest_offset'])){if(!fseek($fp, $this->session[$user]['rest_offset'])){$this->log("RETR at offset ".ftell($fp));}else{$this->log("RETR at offset ".ftell($fp).' fail.');}unset($this->session[$user]['rest_offset']);} while (!feof($fp)){ $cont = fread($fp, 8192); if (!fwrite($ftpsock, $cont)) break; }if (fclose($fp) and $this->closeUserSock($user)){$this->send($fd, "226 File successfully transferred");$this->log($user."/tGET:".$file,'info');}else{$this->send($fd, "550 Error during file-transfer");}}else{$this->send($fd, "550 Can't open " . $data . ": Permission denied");}}else{$this->send($fd, "550 You're unauthorized: Permission denied");}}else{$this->send($fd, "550 Can't open " . $data . ": No such file or directory");}}/*** 上传文件* @param $fd* @param $data*/public function cmd_STOR($fd, $data){$user = $this->getUser($fd);$ftpsock = $this->getUserSock($user);if (!$ftpsock){$this->send($fd, "425 Connection Error");return;}$file = $this->fillDirName($user, $data);$isExist = false;if(file_exists($file))$isExist = true;if((!$isExist && $this->user->isWritable($user, $file)) ||($isExist && $this->user->isAppendable($user, $file))){if($isExist){$fp = fopen($file, "rb+");$this->log("OPEN for STOR.");}else{$fp = fopen($file, 'wb');$this->log("CREATE for STOR.");}if (!$fp){$this->send($fd, "553 Can't open that file: Permission denied");}else{//断点续传，需要Append权限if(isset($this->session[$user]['rest_offset'])){if(!fseek($fp, $this->session[$user]['rest_offset'])){$this->log("STOR at offset ".ftell($fp));}else{$this->log("STOR at offset ".ftell($fp).' fail.');}unset($this->session[$user]['rest_offset']);}$this->send($fd, "150 Connecting to client");while (!feof($ftpsock)){$cont = fread($ftpsock, 8192);if (!$cont) break;if (!fwrite($fp, $cont)) break;}touch($file);//设定文件的访问和修改时间if (fclose($fp) and $this->closeUserSock($user)){$this->send($fd, "226 File successfully transferred");$this->log($user."/tPUT: $file",'info');}else{$this->send($fd, "550 Error during file-transfer");}}}else{$this->send($fd, "550 You're unauthorized: Permission denied");$this->closeUserSock($user);}}/*** 文件追加* @param $fd* @param $data*/public function cmd_APPE($fd,$data){$user = $this->getUser($fd);$ftpsock = $this->getUserSock($user);if (!$ftpsock){$this->send($fd, "425 Connection Error");return;}$file = $this->fillDirName($user, $data);$isExist = false;if(file_exists($file))$isExist = true;if((!$isExist && $this->user->isWritable($user, $file)) ||($isExist && $this->user->isAppendable($user, $file))){$fp = fopen($file, "rb+");if (!$fp){$this->send($fd, "553 Can't open that file: Permission denied");}else{//断点续传，需要Append权限if(isset($this->session[$user]['rest_offset'])){if(!fseek($fp, $this->session[$user]['rest_offset'])){$this->log("APPE at offset ".ftell($fp));}else{$this->log("APPE at offset ".ftell($fp).' fail.');}unset($this->session[$user]['rest_offset']);}$this->send($fd, "150 Connecting to client");while (!feof($ftpsock)){$cont = fread($ftpsock, 8192);if (!$cont) break;if (!fwrite($fp, $cont)) break;}touch($file);//设定文件的访问和修改时间if (fclose($fp) and $this->closeUserSock($user)){$this->send($fd, "226 File successfully transferred");$this->log($user."/tAPPE: $file",'info');}else{$this->send($fd, "550 Error during file-transfer");}}}else{$this->send($fd, "550 You're unauthorized: Permission denied");$this->closeUserSock($user);}}/*** 文件重命名,源文件* @param $fd* @param $data*/public function cmd_RNFR($fd, $data){$user = $this->getUser($fd);$file = $this->fillDirName($user, $data);if (file_exists($file) || is_dir($file)){$this->session[$user]['rename'] = $file;$this->send($fd, "350 RNFR accepted - file exists, ready for destination"); }else{$this->send($fd, "550 Sorry, but that '$data' doesn't exist");}}/*** 文件重命名,目标文件* @param $fd* @param $data*/public function cmd_RNTO($fd, $data){$user = $this->getUser($fd);$old_file = $this->session[$user]['rename'];$new_file = $this->fillDirName($user, $data);$isDir = false;if(is_dir($old_file)){$isDir = true;$old_file = $this->joinPath($old_file, '/');}if((!$isDir && $this->user->isRenamable($user, $old_file)) || ($isDir && $this->user->isFolderRenamable($user, $old_file))){if (empty($old_file) or !is_dir(dirname($new_file))){$this->send($fd, "451 Rename/move failure: No such file or directory");}elseif (rename($old_file, $new_file)){$this->send($fd, "250 File successfully renamed or moved");$this->log($user."/tRENAME: $old_file to $new_file",'warn');}else{$this->send($fd, "451 Rename/move failure: Operation not permitted");}}else{$this->send($fd, "550 You're unauthorized: Permission denied");}unset($this->session[$user]['rename']);}/*** 删除文件* @param $fd* @param $data*/public function cmd_DELE($fd, $data){$user = $this->getUser($fd);$file = $this->fillDirName($user, $data);if($this->user->isDeletable($user, $file)){if (!file_exists($file)){$this->send($fd, "550 Could not delete " . $data . ": No such file or directory");}elseif (unlink($file)){$this->send($fd, "250 Deleted " . $data);$this->log($user."/tDEL: $file",'warn');}else{$this->send($fd, "550 Could not delete " . $data . ": Permission denied");}}else{$this->send($fd, "550 You're unauthorized: Permission denied");}}/*** 创建目录* @param $fd* @param $data*/public function cmd_MKD($fd, $data){$user = $this->getUser($fd);$path = '';if($data[0] == '/'){$path = $this->joinPath($this->session[$user]['home'],$data);}else{$path = $this->joinPath($this->getAbsDir($user),$data);}$path = $this->joinPath($path, '/'); if($this->user->isFolderCreatable($user, $path)){if (!is_dir(dirname($path))){$this->send($fd, "550 Can't create directory: No such file or directory");}elseif(file_exists($path)){$this->send($fd, "550 Can't create directory: File exists");}else{if (mkdir($path)){$this->send($fd, "257 /"" . $data . "/" : The directory was successfully created");$this->log($user."/tMKDIR: $path",'info');}else{$this->send($fd, "550 Can't create directory: Permission denied");}}}else{$this->send($fd, "550 You're unauthorized: Permission denied");}}/*** 删除目录* @param $fd* @param $data*/public function cmd_RMD($fd, $data){$user = $this->getUser($fd);$dir = '';if($data[0] == '/'){$dir = $this->joinPath($this->session[$user]['home'], $data);}else{$dir = $this->fillDirName($user, $data);}$dir = $this->joinPath($dir, '/');if($this->user->isFolderDeletable($user, $dir)){if (is_dir(dirname($dir)) and is_dir($dir)){if (count(glob($dir . "/*"))){$this->send($fd, "550 Can't remove directory: Directory not empty");}elseif (rmdir($dir)){$this->send($fd, "250 The directory was successfully removed");$this->log($user."/tRMDIR: $dir",'warn');}else{$this->send($fd, "550 Can't remove directory: Operation not permitted");}}elseif (is_dir(dirname($dir)) and file_exists($dir)){$this->send($fd, "550 Can't remove directory: Not a directory");}else{$this->send($fd, "550 Can't create directory: No such file or directory");}}else{$this->send($fd, "550 You're unauthorized: Permission denied");}}/*** 得到服务器类型* @param $fd* @param $data*/public function cmd_SYST($fd, $data){$this->send($fd, "215 UNIX Type: L8");}/*** 权限控制* @param $fd* @param $data*/public function cmd_SITE($fd, $data){if (substr($data, 0, 6) == "CHMOD "){$user = $this->getUser($fd);$chmod = explode(" ", $data, 3);$file = $this->fillDirName($user, $chmod[2]);if($this->user->isWritable($user, $file)){if (chmod($file, octdec($chmod[1]))){$this->send($fd, "200 Permissions changed on {$chmod[2]}");$this->log($user."/tCHMOD: $file to {$chmod[1]}",'info');}else{$this->send($fd, "550 Could not change perms on " . $chmod[2] . ": Permission denied");}}else{$this->send($fd, "550 You're unauthorized: Permission denied");}}else{$this->send($fd, "500 Unknown Command");}} /*** 更改传输类型* @param $fd* @param $data*/public function cmd_TYPE($fd, $data){switch ($data){case "A":$type = "ASCII";break;case "I":$type = "8-bit binary";break;}$this->send($fd, "200 TYPE is now " . $type);}/*** 遍历目录* @param $fd* @param $data*/public function cmd_LIST($fd, $data){$user = $this->getUser($fd);$ftpsock = $this->getUserSock($user);if (!$ftpsock){$this->send($fd, "425 Connection Error");return;} $path = $this->joinPath($this->getAbsDir($user),'/');$this->send($fd, "150 Opening ASCII mode data connection for file list");$filelist = $this->getFileList($user, $path, true);fwrite($ftpsock, $filelist); $this->send($fd, "226 Transfer complete."); $this->closeUserSock($user);}/*** 建立数据传输通* @param $fd* @param $data*/// 不使用主动模式 // public function cmd_PORT($fd, $data){// $user = $this->getUser($fd);// $port = explode(",", $data);// if (count($port) != 6){// $this->send($fd, "501 Syntax error in IP address");// }else{// if (!$this->isIPAddress($port)){// $this->send($fd, "501 Syntax error in IP address");// return;// }// $ip = $port[0] . "." . $port[1] . "." . $port[2] . "." . $port[3];// $port = hexdec(dechex($port[4]) . dechex($port[5]));// if ($port < 1024){// $this->send($fd, "501 Sorry, but I won't connect to ports < 1024");// }elseif ($port > 65000){// $this->send($fd, "501 Sorry, but I won't connect to ports > 65000");// }else{ // $ftpsock = fsockopen($ip, $port); // if ($ftpsock){// $this->session[$user]['sock'] = $ftpsock;// $this->session[$user]['pasv'] = false; // $this->send($fd, "200 PORT command successful"); // }else{// $this->send($fd, "501 Connection failed");// }// }// }// }/*** 被动模式 * @param unknown $fd* @param unknown $data*/public function cmd_PASV($fd, $data){$user = $this->getUser($fd);$ssl = false;$pasv_port = $this->getPasvPort();if($this->connection[$fd]['ssl'] === true){$ssl = true;$context = stream_context_create(); // local_cert must be in PEM formatstream_context_set_option($context, 'ssl', 'local_cert', $this->setting['ssl_cert_file']);// Path to local private key file stream_context_set_option($context, 'ssl', 'local_pk', $this->setting['ssl_key_file']);stream_context_set_option($context, 'ssl', 'allow_self_signed', true);stream_context_set_option($context, 'ssl', 'verify_peer', false);stream_context_set_option($context, 'ssl', 'verify_peer_name', false); stream_context_set_option($context, 'ssl', 'passphrase', '');// Create the server socket$sock = stream_socket_server('ssl://0.0.0.0:'.$pasv_port, $errno, $errstr, STREAM_SERVER_BIND | STREAM_SERVER_LISTEN, $context);}else{$sock = stream_socket_server('tcp://0.0.0.0:'.$pasv_port, $errno, $errstr, STREAM_SERVER_BIND | STREAM_SERVER_LISTEN);}if ($sock){$addr = stream_socket_get_name($sock, false);list($ip, $port) = explode(':', $addr);$ipArr = swoole_get_local_ip();foreach($ipArr as $nic => $addr){$ip = $addr;}$this->log("ServerSock: $ip:$port");$ip = str_replace('.', ',', $ip);$this->send($fd, "227 Entering Passive Mode ({$ip},".(intval($port) >> 8 & 0xff).",".(intval($port) & 0xff)."). ".$port." ".($ssl?'ssl':''));$this->session[$user]['serv_sock'] = $sock;$this->session[$user]['pasv'] = true;$this->pushPasvPort($port);}else{fclose($sock);$this->send($fd, "500 failed to create data socket: ".$errstr);}}public function cmd_NOOP($fd,$data){$this->send($fd, "200 OK");}//==================//RFC2228//==================public function cmd_PBSZ($fd,$data){$this->send($fd, '200 Command okay.');}public function cmd_PROT($fd,$data){if(trim($data) == 'P'){$this->connection[$fd]['ssl'] = true;$this->send($fd, '200 Set Private level on data connection.');}elseif(trim($data) == 'C'){$this->connection[$fd]['ssl'] = false;$this->send($fd, '200 Set Clear level on data connection.');}else{$this->send($fd, '504 Command not implemented for that parameter.');}}//==================//RFC2389//==================public function cmd_FEAT($fd,$data){$this->send($fd, '211-Features supported');$this->send($fd, 'MDTM');$this->send($fd, 'SIZE');$this->send($fd, 'SITE CHMOD');$this->send($fd, 'REST STREAM');$this->send($fd, 'MLSD Type*;Size*;Modify*;UNIX.mode*;');$this->send($fd, 'PBSZ');$this->send($fd, 'PROT');$this->send($fd, '211 End');}//关闭utf8对中文文件名有影响public function cmd_OPTS($fd,$data){$this->send($fd, '502 Command not implemented.');}//==================//RFC3659//==================/*** 获取文件修改时间* @param unknown $fd* @param unknown $data*/public function cmd_MDTM($fd,$data){$user = $this->getUser($fd);if (($file = $this->getFile($user, $data)) != false){$this->send($fd, '213 '.date('YmdHis.u',filemtime($file)));}else{$this->send($fd, '550 No file named "'.$data.'"');}}/*** 获取文件大小* @param $fd* @param $data*/public function cmd_SIZE($fd,$data){$user = $this->getUser($fd);if (($file = $this->getFile($user, $data)) != false){$this->send($fd, '213 '.filesize($file));}else{$this->send($fd, '550 No file named "'.$data.'"');}}/*** 获取文件列表* @param unknown $fd* @param unknown $data*/public function cmd_MLSD($fd,$data){$user = $this->getUser($fd);$ftpsock = $this->getUserSock($user);if (!$ftpsock){$this->send($fd, "425 Connection Error");return;}$path = $this->joinPath($this->getAbsDir($user),'/');$this->send($fd, "150 Opening ASCII mode data connection for file list");$filelist = $this->getFileList($user, $path, true,'mlsd');fwrite($ftpsock, $filelist);$this->send($fd, "226 Transfer complete.");$this->closeUserSock($user);}/*** 设置文件offset* @param unknown $fd* @param unknown $data*/public function cmd_REST($fd,$data){$user = $this->getUser($fd);$data= preg_replace('/[^0-9]/', '', $data);if($data != ''){$this->session[$user]['rest_offset'] = $data;$this->send($fd, '350 Restarting at '.$data.'. Send STOR or RETR');}else{$this->send($fd, '500 Syntax error, offset unrecognized.');}}/*** 获取文件hash值* @param unknown $fd* @param unknown $data*/public function cmd_HASH($fd,$data){$user = $this->getUser($fd);$ftpsock = $this->getUserSock($user);if (($file = $this->getFile($user, $data)) != false){if(is_file($file)){$algo = 'sha512';$this->send($fd, "200 ".hash_file($algo, $file));}else{$this->send($fd, "550 Can't open " . $data . ": No such file。");} }else{$this->send($fd, "550 Can't open " . $data . ": No such file。");}}/*** 控制台命令* @param unknown $fd* @param unknown $data*/public function cmd_CONSOLE($fd,$data){$group = $this->user->getUserProfile($this->getUser($fd));$group = $group['group'];if($group != 'admin'){$this->send($fd, "550 You're unauthorized: Permission denied");return;} $data = explode('||', $data);$cmd = strtoupper($data[0]);switch ($cmd){ case 'USER-ONLINE':$shm_data = $this->shm->read(); $list = array();if($shm_data !== false){if(isset($shm_data['online'])){$list = $shm_data['online'];} }$this->send($fd, '200 '.json_encode($list));break; //Format: user-add||{"user":"","pass":"","home":"","expired":"","active":boolean,"group":"","description":"","email":""}case 'USER-ADD':if(isset($data[1])){$json = json_decode(trim($data[1]),true);$user = isset($json['user'])?$json['user']:'';$pass = isset($json['pass'])?$json['pass']:'';$home = isset($json['home'])?$json['home']:'';$expired = isset($json['expired'])?$json['expired']:'1999-01-01';$active = isset($json['active'])?$json['active']:false;$group = isset($json['group'])?$json['group']:'';$description = isset($json['description'])?$json['description']:'';$email = isset($json['email'])?$json['email']:'';if($this->user->addUser($user,$pass,$home,$expired,$active,$group,$description,$email)){$this->user->save();$this->user->reload();$this->send($fd, '200 User "'.$user.'" added.');}else{$this->send($fd, '550 Add fail!');}}else{$this->send($fd, '500 Syntax error: USER-ADD||{"user":"","pass":"","home":"","expired":"","active":boolean,"group":"","description":""}');}break;//Format: user-set-profile||{"user":"","profile":[]}case 'USER-SET-PROFILE':if(isset($data[1])){$json = json_decode(trim($data[1]),true);$user = isset($json['user'])?$json['user']:'';$profile = isset($json['profile'])?$json['profile']:array(); if($this->user->setUserProfile($user, $profile)){$this->user->save();$this->user->reload();$this->send($fd, '200 User "'.$user.'" profile changed.');}else{$this->send($fd, '550 Set profile fail!');}}else{$this->send($fd, '500 Syntax error: USER-SET-PROFILE||{"user":"","profile":[]}');} break; //Format: user-get-profile||{"user":""}case 'USER-GET-PROFILE':if(isset($data[1])){$json = json_decode(trim($data[1]),true);$user = isset($json['user'])?$json['user']:'';$this->user->reload();if($profile = $this->user->getUserProfile($user)){ $this->send($fd, '200 '.json_encode($profile));}else{$this->send($fd, '550 Get profile fail!');}}else{$this->send($fd, '500 Syntax error: USER-GET-PROFILE||{"user":""}');} break;//Format: user-delete||{"user":""}case 'USER-DELETE':if(isset($data[1])){$json = json_decode(trim($data[1]),true);$user = isset($json['user'])?$json['user']:'';if($this->user->delUser($user)){$this->user->save();$this->user->reload();$this->send($fd, '200 User '.$user.' deleted.');}else{$this->send($fd, '550 Delete user fail!');}}else{$this->send($fd, '500 Syntax error: USER-DELETE||{"user":""}');}break;case 'USER-LIST':$this->user->reload();$list = $this->user->getUserList();$this->send($fd, '200 '.json_encode($list));break;//Format: group-add||{"group":"","home":""}case 'GROUP-ADD':if(isset($data[1])){$json = json_decode(trim($data[1]),true);$group = isset($json['group'])?$json['group']:''; $home = isset($json['home'])?$json['home']:''; if($this->user->addGroup($group, $home)){$this->user->save();$this->user->reload();$this->send($fd, '200 Group "'.$group.'" added.');}else{$this->send($fd, '550 Add group fail!');}}else{$this->send($fd, '500 Syntax error: GROUP-ADD||{"group":"","home":""}');}break;//Format: group-set-profile||{"group":"","profile":[]}case 'GROUP-SET-PROFILE':if(isset($data[1])){$json = json_decode(trim($data[1]),true);$group = isset($json['group'])?$json['group']:'';$profile = isset($json['profile'])?$json['profile']:array();if($this->user->setGroupProfile($group, $profile)){$this->user->save();$this->user->reload();$this->send($fd, '200 Group "'.$group.'" profile changed.');}else{$this->send($fd, '550 Set profile fail!');}}else{$this->send($fd, '500 Syntax error: GROUP-SET-PROFILE||{"group":"","profile":[]}');}break;//Format: group-get-profile||{"group":""}case 'GROUP-GET-PROFILE':if(isset($data[1])){$json = json_decode(trim($data[1]),true);$group = isset($json['group'])?$json['group']:'';$this->user->reload();if($profile = $this->user->getGroupProfile($group)){$this->send($fd, '200 '.json_encode($profile));}else{$this->send($fd, '550 Get profile fail!');}}else{$this->send($fd, '500 Syntax error: GROUP-GET-PROFILE||{"group":""}');}break;//Format: group-delete||{"group":""}case 'GROUP-DELETE':if(isset($data[1])){$json = json_decode(trim($data[1]),true);$group = isset($json['group'])?$json['group']:'';if($this->user->delGroup($group)){$this->user->save();$this->user->reload();$this->send($fd, '200 Group '.$group.' deleted.');}else{$this->send($fd, '550 Delete group fail!');}}else{$this->send($fd, '500 Syntax error: GROUP-DELETE||{"group":""}');}break;case 'GROUP-LIST':$this->user->reload();$list = $this->user->getGroupList();$this->send($fd, '200 '.json_encode($list));break;//获取组用户列表//Format: group-user-list||{"group":""}case 'GROUP-USER-LIST':if(isset($data[1])){$json = json_decode(trim($data[1]),true);$group = isset($json['group'])?$json['group']:'';$this->user->reload();$this->send($fd, '200 '.json_encode($this->user->getUserListOfGroup($group)));}else{$this->send($fd, '500 Syntax error: GROUP-USER-LIST||{"group":""}');}break;// 获取磁盘空间//Format: disk-total||{"path":""}case 'DISK-TOTAL':if(isset($data[1])){$json = json_decode(trim($data[1]),true);$path = isset($json['path'])?$json['path']:'';$size = 0;if($path){$size = disk_total_space($path);}$this->send($fd, '200 '.$size);}else{$this->send($fd, '500 Syntax error: DISK-TOTAL||{"path":""}');}break;// 获取磁盘空间//Format: disk-total||{"path":""}case 'DISK-FREE':if(isset($data[1])){$json = json_decode(trim($data[1]),true);$path = isset($json['path'])?$json['path']:'';$size = 0;if($path){$size = disk_free_space($path);}$this->send($fd, '200 '.$size);}else{$this->send($fd, '500 Syntax error: DISK-FREE||{"path":""}');}break;case 'HELP':$list = 'USER-ONLINE USER-ADD USER-SET-PROFILE USER-GET-PROFILE USER-DELETE USER-LIST GROUP-ADD GROUP-SET-PROFILE GROUP-GET-PROFILE GROUP-DELETE GROUP-LIST GROUP-USER-LIST DISK-TOTAL DISK-FREE';$this->send($fd, '200 '.$list);break;default:$this->send($fd, '500 Syntax error.');}} }