defaultusrextcms.php

flashget43的源代码 一个比较常用的下载程序

<?php
	//The DefaultCMS implementation behaves as usual content management system - i.e. checks provided login/password against system database and uses user roles predefined in it.

	class DefaultCMS {
		var $autocreateUsers = false; //change this to false to disabe nonexisting users auto creation

		var $userid = null;

		var $loginStmt;
		var $getUserStmt;
		var $addUserStmt;
		var $getUsersStmt;
		
		var $constArr;
		//-----------------------------------------------------------------------------------------
		function DefaultCMS() 
		{
			
			$this->constArr = array(
					  'users'       =>'flashchat_users',
					  'login'       =>'login',
					  'id'          =>'id',
					  'password'    =>'password',
					  'roles'       =>'roles',
					  'encode_type' =>'none',
					  'spy_fld'     =>'_#_',
					  'spy_value'   =>'_#_',
					  'profile_path'=>'http://localhost/inet/FlashChat/chat/profile.php',
					  'profile_arg' =>'?user={$id}',
					  'moderator_fld'=>'roles',
					  'moderator_value'=>'0',
					  'logoff'		=>'false'
								);
			
			$this->loginStmt    = new Statement("SELECT * FROM {$this->constArr['users']} WHERE {$this->constArr['login']}=? LIMIT 1");
			$this->getUserStmt  = new Statement("SELECT * FROM {$this->constArr['users']} WHERE {$this->constArr['id']}=? LIMIT 1");
			$this->addUserStmt  = new Statement("INSERT   INTO {$this->constArr['users']} ({$this->constArr['login']}, {$this->constArr['password']}) VALUES(?, ?)");
			$this->getUsersStmt = new Statement("SELECT * FROM {$this->constArr['users']} ORDER BY {$this->constArr['login']}");
			$this->delStmt      = new Statement("DELETE FROM {$this->constArr['users']} WHERE {$this->constArr['login']}=?");
		}
		//-----------------------------------------------------------------------------------------
		function isLoggedIn() 
		{
			return $this->userid;
		}
		//-----------------------------------------------------------------------------------------
		function login($login, $password) 
		{
			$this->userid = null;

			if($login && $password) 
			{
				$encode_type = $this->constArr['encode_type'];
				$pass = $password;
				
				switch( $encode_type ) 
				{
					case 'md5' : $pass = md5($password); break;
					default    : $pass = $password; break;
				}				
				
				//Try to find user using provided login
				if(($rs = $this->loginStmt->process($login)) && ($rec = $rs->next())) 
				{					
					if($rec[$this->constArr['password']] == $pass) $this->userid = $rec[$this->constArr['id']];
				} 
				else 
				{
					//If not - autocreate user with such login and password
					if($this->autocreateUsers) 
					{
						//$roles = ($password == $GLOBALS['fc_config']['adminPassword'])?ROLE_ADMIN:($GLOBALS['fc_config']['liveSupportMode']?ROLE_CUSTOMER:ROLE_USER);
						$ins = $this->addUserStmt->process($login, $pass);
						
						if( $ins != null && $ins == 0 )
						{	//we not know if id field is autoincrement
							$this->userid = login($login, $password);
						}
						elseif($ins != null) 
						{
							$this->userid = $ins;
						}
					}
				}
			}

			return $this->userid;
		}
		//-----------------------------------------------------------------------------------------
		function logout()
		{
			if($this->constArr['logoff'] == 'true') $this->user = null;
		}
		//-----------------------------------------------------------------------------------------	
		function getUser($userid)
		{
			if($userid) 
			{
				$rs = $this->getUserStmt->process($userid);
				$usr = $rs->next();
				$usr['login'] = $usr[$this->constArr['login']];//important!
				$usr['roles'] = $usr[$this->constArr['moderator_fld']] == $this->constArr['moderator_value'] ? ROLE_ADMIN : ($usr[$this->constArr['spy_fld']] == $this->constArr['spy_value'] ? ROLE_SPY : ROLE_USER);
				
				return $usr;
			} 
			else 
			{
				return null;
			}
		}
		//-----------------------------------------------------------------------------------------
		function getUsers() 
		{
			$users = $this->getUsersStmt->process(); 
			foreach( $users as $k=>$v )
			{
				$users['login'] = $users[$this->constArr['login']];//important!
				$users['roles'] = $users[$this->constArr['moderator_fld']] == $this->constArr['moderator_value'] ? ROLE_ADMIN : ($users[$this->constArr['spy_fld']] == $this->constArr['spy_value'] ? ROLE_SPY : ROLE_USER);
			}
			
			return 	$users;
		}
		//-----------------------------------------------------------------------------------------
		function getUserProfile($userid) 
		{
			$spy_fld = $this->constArr['spy_fld'];
			$spy_val = $this->constArr['spy_value'];
			
			$user = $this->getUser($userid);
			
			if( $spy_fld != '' )
			{				
				if( $user[$spy_fld] == $spy_val ) return null;
			}
			
			extract($user);
			
			return "{$this->constArr['profile_path']}?user={$id}";
		}
		//-----------------------------------------------------------------------------------------
		function userInRole($userid, $role) 
		{
			if($user = $this->getUser($userid)) 
			{
				if($role == ROLE_ADMIN)
				{
					if( $user[$this->constArr['moderator_fld']] == $this->constArr['moderator_value']) return true;
					else return false;
				}
				
				if($role == ROLE_SPY)
				{
					if( $user[$this->constArr['spy_fld']] == $this->constArr['spy_value']) return true;
					else return false;
				}
				
				if($role == ROLE_USER)
				{
					return true;//???
				}				
			}
			return false;
		}
		
		function getGender($userid) {
        	// 'M' for Male, 'F' for Female, NULL for undefined
    	    return NULL;        
	    }
		
		function addUser($login, $password, $roles){
			$user = $this->loginStmt->process($login);
			if(($rec = $user->next()) != null) return $rec['id'];
			return $this->addUserStmt->process($login, $password);
		}
		
		function deleteUser($login){
			$this->delUserStmt->process($login);
		}
	}
	
	$GLOBALS['fc_config']['cms'] = new DefaultCMS();

	//clear 'if moderator' message
	foreach($GLOBALS['fc_config']['languages'] as $k => $v) 
	{
		$GLOBALS['fc_config']['languages'][$k]['dialog']['login']['moderator'] = '';
	}
?>