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refoctor back-end and added database class using mysqli

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This commit is contained in:
printempw 2016-02-02 23:53:08 +08:00
parent b323675bdf
commit 22b1f4ec41
7 changed files with 109 additions and 104 deletions
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14
ajax.php
View File

@ -3,7 +3,7 @@
* @Author: printempw
* @Date: 2016-01-16 23:01:33
* @Last Modified by: prpr
* @Last Modified time: 2016-02-02 21:50:54
* @Last Modified time: 2016-02-02 23:28:03
*
* All ajax requests will be handled here
*/
@ -12,9 +12,12 @@ header('Access-Control-Allow-Origin: *');
session_start();
$dir = dirname(__FILE__);
require "$dir/includes/autoload.inc.php";
require "$dir/config.php";
database::checkConfig();
if (isset($_POST['uname'])) {
$user = new user($uname);
$user = new user($_POST['uname']);
} else {
utils::raise('1', 'Empty username.');
}
@ -48,8 +51,9 @@ if ($action == "login") {
} else {
$ip = $_SERVER['REMOTE_ADDR'];
}
if (!utils::select('ip', $ip)) {
// If amout of registered accounts of IP is more than allowed mounts,
// then reject the registration.
if ($user->db->getNumRows('ip', $ip) < REGS_PER_IP) {
// use once md5 to encrypt password
if ($user->register(md5($_POST['passwd']), $ip)) {
$json['errno'] = 0;
@ -60,7 +64,7 @@ if ($action == "login") {
}
} else {
$json['errno'] = 1;
$json['msg'] = "It seems that you have already register an account with this IP address.";
$json['msg'] = "You can't create more than ".REGS_PER_IP." accounts with this IP.";
}
} else {

4
config.php
View File

@ -13,4 +13,6 @@ define('DB_HOST', 'localhost');
/* 盐，用于 token 验证，自行修改 */
define('SALT', '9tvsh55d*s');
?>
/* 同一 IP 可注册的账户数 */
define('REGS_PER_IP', 2);

68
includes/database.class.php Normal file
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@ -0,0 +1,68 @@
<?php
/**
* @Author: printempw
* @Date: 2016-02-02 21:59:06
* @Last Modified by: prpr
* @Last Modified time: 2016-02-02 23:48:47
*/
class database
{
private $connection = null;
function __construct() {
$this->connection = self::checkConfig();
}
public static function checkConfig() {
$conn = new mysqli(DB_HOST, DB_USER, DB_PASSWD, DB_NAME);
if ($conn->connect_error) {
utils::raise(-1, "Can not connect to mysql, check if database info correct in config.php. ".
$conn->connect_error);
}
return $conn;
}
public function query($sql) {
$result = $this->connection->query($sql);
if (!$this->connection->error) {
return $result;
}
utils::raise(-1, "Database query error: ", $this->connection->error);
}
public function fetchArray($sql) {
return $this->query($sql)->fetch_array();
}
public function select($key, $value) {
return $this->fetchArray("SELECT * FROM users WHERE $key='$value'");
}
public function getNumRows($key, $value) {
$sql = "SELECT * FROM users WHERE $key='$value'";
return $this->query($sql)->num_rows;
}
public function checkRecordExist($key, $value) {
return ($this->getNumRows($key, $value) != 0) ? true : false;
}
public function insert($array) {
$uname = $array['uname'];
$passwd = $array['passwd'];
$ip = $array['ip'];
$sql = "INSERT INTO users (username, password, ip, preference)
VALUES ('$uname', '$passwd', '$ip', 'default')";
return $this->query($sql);
}
public function update($uname, $key, $value) {
return $this->query("UPDATE users SET $key='$value' WHERE username='$uname'");
}
public function delete($uname) {
return $this->query("DELETE from users WHERE username='$uname'");
}
}

37
includes/user.class.php
View File

@ -3,26 +3,29 @@
* @Author: printempw
* @Date: 2016-01-16 23:01:33
* @Last Modified by: prpr
* @Last Modified time: 2016-02-02 21:38:22
* @Last Modified time: 2016-02-02 23:41:37
*/
class user {
private $uname = "";
class user
{
private $uname = "";
private $passwd = "";
private $token = "";
private $token = "";
public $db = null;
public $is_registered = false;
public $is_admin = false;
function __construct($uname) {
$this->uname = utils::convertString($uname);
if (utils::select('username', $this->uname)['uid'] == 1) {
$this->is_admin = true;
}
if (utils::select('username', $this->uname)['password'] != "") {
$this->passwd = utils::select('username', $this->uname)['password'];
$this->is_registered = true;
$this->db = new database();
if ($this->db->checkRecordExist('username', $this->uname)) {
$this->passwd = $this->db->select('username', $this->uname)['password'];
$this->token = md5($this->uname . $this->passwd.SALT);
$this->is_registered = true;
if ($this->db->select('username', $this->uname)['uid'] == 1) {
$this->is_admin = true;
}
}
}
@ -39,7 +42,7 @@ class user {
}
public function register($passwd, $ip) {
if (utils::insert(array(
if ($this->db->insert(array(
"uname" => $this->uname,
"passwd" => $passwd,
"ip" => $ip
@ -59,9 +62,9 @@ class user {
public function getTexture($type) {
if ($type == "skin") {
return utils::select('username', $this->uname)['skin_hash'];
return $this->db->select('username', $this->uname)['skin_hash'];
} else if ($type == "cape") {
return utils::select('username', $this->uname)['cape_hash'];
return $this->db->select('username', $this->uname)['cape_hash'];
}
return false;
}
@ -84,21 +87,21 @@ class user {
// remove the original texture first
if ($this->getTexture('skin') != "")
utils::remove("./textures/".$this->getTexture('skin'));
return utils::update($this->uname, 'skin_hash', $hash);
return $this->db->update($this->uname, 'skin_hash', $hash);
} else if ($type == "cape") {
if ($this->getTexture('cape') != "")
utils::remove("./textures/".$this->getTexture('cape'));
return utils::update($this->uname, 'cape_hash', $hash);
return $this->db->update($this->uname, 'cape_hash', $hash);
}
return false;
}
public function setPreference($type) {
return utils::update($this->uname, 'preference', $type);
return $this->db->update($this->uname, 'preference', $type);
}
public function getPreference() {
return utils::select('username', $this->uname)['preference'];
return $this->db->select('username', $this->uname)['preference'];
}
public function getJsonProfile() {

83
includes/utils.class.php
View File

@ -3,33 +3,13 @@
* @Author: printempw
* @Date: 2016-01-16 23:01:33
* @Last Modified by: prpr
* @Last Modified time: 2016-01-22 15:46:20
* @Last Modified time: 2016-02-02 22:46:50
*/
$dir = dirname(dirname(__FILE__));
require "$dir/config.php";
class utils {
private static $connection = null;
class utils
{
/**
* Connect to database
*
* @return void
*/
public static function connect() {
if (!self::$connection) {
if ($con = mysql_connect(DB_HOST, DB_USER, DB_PASSWD)) {
self::$connection = $con;
mysql_select_db(DB_NAME, self::$connection);
} else {
$msg = "Can not connect to mysql, check if database info correct in config.php. ".mysql_error();
self::raise(-1, $msg);
}
}
}
/**
* Use static function to replace raising a exception
* Custom error handler
*
* @param int $errno
* @param string $msg, message to show
@ -41,44 +21,6 @@ class utils {
die(json_encode($exception));
}
/**
* Return array of rows which matches provided key and value
*
* @param string $key
* @param string $value
* @return array $row, rows matched the key and value
*/
public static function select($key, $value) {
$query = self::query("SELECT * FROM users WHERE $key='$value'");
$row = mysql_fetch_array($query);
return $row;
}
/**
* Insert a record to database
*
* @param array $array, [uname, passwd, ip]
* @return bool
*/
public static function insert($array) {
$uname = $array['uname'];
$passwd = $array['passwd'];
$ip = $array['ip'];
self::connect();
$query = self::query("INSERT INTO users (username, password, ip, preference) VALUES ('$uname', '$passwd', '$ip', 'default')");
return $query;
}
public static function update($uname, $key, $value) {
$query = self::query("UPDATE users SET $key='$value' WHERE username='$uname'");
return $query;
}
public static function delete($uname) {
$query = self::query("DELETE from users WHERE username='$uname'");
return $query;
}
/**
* Rename uploaded file
*
@ -118,23 +60,6 @@ class utils {
return stripslashes(trim($string));
}
/**
* Query with raw SQL statement
*
* @param string $sql, raw SQL statement
* @return bool
*/
private static function query($sql) {
self::connect();
$query = mysql_query($sql, self::$connection);
if ($query) {
return $query;
} else {
self::raise('1', mysql_error());
}
mysql_close(self::$connection);
}
/**
* Get the value of key in an array if index exist
*

4
index.php
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@ -3,11 +3,13 @@
* @Author: printempw
* @Date: 2016-01-17 13:55:20
* @Last Modified by: prpr
* @Last Modified time: 2016-02-02 21:20:23
* @Last Modified time: 2016-02-02 23:07:46
*/
session_start();
$dir = dirname(__FILE__);
require "$dir/includes/autoload.inc.php";
require "$dir/config.php";
database::checkConfig();
// Auto load cookie value to session
if (isset($_COOKIE['uname']) && isset($_COOKIE['token'])) {
$user = new user($_COOKIE['uname']);

3
user/index.php
View File

@ -8,8 +8,9 @@
session_start();
$dir = dirname(dirname(__FILE__));
require "$dir/includes/autoload.inc.php";
require "$dir/config.php";
$action = utils::getValue('action', $_GET);
$action = isset($_GET['action']) ? $_GET['action'] : "";
if(isset($_COOKIE['uname']) && isset($_COOKIE['token'])) {
$_SESSION['uname'] = $_COOKIE['uname'];