mirror of
https://gitee.com/zongzhige/shopxo.git
synced 2024-11-30 10:59:47 +08:00
265 lines
7.6 KiB
PHP
Executable File
265 lines
7.6 KiB
PHP
Executable File
<?php
|
||
// +----------------------------------------------------------------------
|
||
// | ShopXO 国内领先企业级B2C免费开源电商系统
|
||
// +----------------------------------------------------------------------
|
||
// | Copyright (c) 2011~2099 http://shopxo.net All rights reserved.
|
||
// +----------------------------------------------------------------------
|
||
// | Licensed ( https://opensource.org/licenses/mit-license.php )
|
||
// +----------------------------------------------------------------------
|
||
// | Author: Devil
|
||
// +----------------------------------------------------------------------
|
||
namespace base;
|
||
|
||
/**
|
||
* 验证码驱动
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 0.0.1
|
||
* @datetime 2016-12-01T21:51:08+0800
|
||
*/
|
||
class Verify
|
||
{
|
||
private $img;
|
||
private $rand_string;
|
||
private $width;
|
||
private $height;
|
||
private $length;
|
||
private $use_point_back;
|
||
private $use_line_back;
|
||
private $use_bg_color_back;
|
||
private $use_text_color_back;
|
||
private $key_verify;
|
||
private $expire_time;
|
||
|
||
/**
|
||
* [__construct 构造方法]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 0.0.1
|
||
* @datetime 2017-03-05T16:42:49+0800
|
||
* @param [int] $param['width'] [宽度（默认65）]
|
||
* @param [int] $param['height'] [高度（默认30）]
|
||
* @param [int] $param['length'] [验证码位数（默认6）]
|
||
* @param [boolean] $param['use_point_back'] [是否添加干扰点（默认 true）]
|
||
* @param [boolean] $param['use_line_back'] [是否添加干扰线（默认 true）]
|
||
* @param [boolean] $param['use_bg_color_back'] [是否使用彩色背景（默认 true）]
|
||
* @param [boolean] $param['use_text_color_back'] [是否使用彩色文本（默认 true）]
|
||
* @param [string] $param['key_prefix'] [验证码种存储前缀key（默认 空）]
|
||
* @param [int] $param['expire_time'] [到期时间（默认30）单位（秒）]
|
||
*/
|
||
public function __construct($param = array())
|
||
{
|
||
// 验证码规则
|
||
$rules = MyC('common_images_verify_rules', [], true);
|
||
|
||
// 参数处理
|
||
$this->width = isset($param['width']) ? intval($param['width']) : 65;
|
||
$this->height = isset($param['height']) ? intval($param['height']) : 30;
|
||
$this->length = isset($param['length']) ? intval($param['length']) : 4;
|
||
$this->use_point_back = isset($param['use_point_back']) ? $param['use_point_back'] : in_array('point', $rules);
|
||
$this->use_line_back = isset($param['use_line_back']) ? $param['use_line_back'] : in_array('line', $rules);
|
||
$this->use_bg_color_back = isset($param['use_bg_color_back']) ? $param['use_bg_color_back'] : in_array('bgcolor', $rules);
|
||
$this->use_text_color_back = isset($param['use_text_color_back']) ? $param['use_text_color_back'] : in_array('textcolor', $rules);
|
||
$this->key_verify = isset($param['key_prefix']) ? trim($param['key_prefix']).'_verify_code' : '_verify_code';
|
||
$this->expire_time = isset($param['expire_time']) ? intval($param['expire_time']) : 30;
|
||
}
|
||
|
||
/**
|
||
* [Entry 验证码生成]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 0.0.1
|
||
* @datetime 2017-03-05T16:55:19+0800
|
||
*/
|
||
public function Entry()
|
||
{
|
||
// 验证码生成
|
||
$this->rand_string = $this->GetRandString();
|
||
|
||
// 创建一个画布（真色彩）
|
||
$this->img = imagecreatetruecolor($this->width, $this->height);
|
||
|
||
// 画背景
|
||
if($this->use_bg_color_back == true)
|
||
{
|
||
$back_color = imagecolorallocate($this->img, rand(200,255), rand(200,255), rand(200,255));
|
||
} else {
|
||
$back_color = imagecolorallocate($this->img, 255, 255, 255);
|
||
}
|
||
imagefilledrectangle($this->img, 0, 0, $this->width, $this->height, $back_color);
|
||
|
||
// 加入干扰，画出多条线
|
||
if($this->use_line_back == true)
|
||
{
|
||
$this->InterferenceLine();
|
||
}
|
||
|
||
// 加入干扰，画出点
|
||
if($this->use_point_back == true)
|
||
{
|
||
$this->InterferencePoint();
|
||
}
|
||
|
||
// 将生成好的字符串写入图像
|
||
$each_width = intval($this->width/$this->length);
|
||
$first = 40/100*$each_width;
|
||
foreach(str_split($this->rand_string) as $k=>$v)
|
||
{
|
||
// 是否使用彩色文本
|
||
if($this->use_text_color_back == true)
|
||
{
|
||
$fgcolor = imagecolorallocate($this->img, rand(0,200), rand(0,255), rand(0,255));
|
||
} else {
|
||
$fgcolor = imagecolorallocate($this->img, 0, 0, 0);
|
||
}
|
||
|
||
$temp_height = 95/100*$this->height;
|
||
if($this->height-$temp_height < 15)
|
||
{
|
||
$temp_height = $this->height-15;
|
||
}
|
||
imagestring($this->img, rand(3,5), $k*$each_width+$first, rand(5/100*$this->height,$temp_height), strtoupper($v), $fgcolor);
|
||
}
|
||
|
||
// 种session
|
||
$this->KindofSession();
|
||
|
||
// 输出图像
|
||
if(ob_get_length() > 0)
|
||
{
|
||
ob_clean();
|
||
}
|
||
header('Content-Type: image/gif');
|
||
imagegif($this->img);
|
||
|
||
// 销毁图像
|
||
imagedestroy($this->img);
|
||
}
|
||
|
||
/**
|
||
* [CheckExpire 验证码是否过期]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 0.0.1
|
||
* @datetime 2017-03-05T19:02:26+0800
|
||
* @return [boolean] [有效true, 无效false]
|
||
*/
|
||
public function CheckExpire()
|
||
{
|
||
if(isset($_SESSION[$this->key_verify]))
|
||
{
|
||
$data = $_SESSION[$this->key_verify];
|
||
return (time() <= $data['time']+$this->expire_time);
|
||
}
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* [CheckCorrect 验证码是否正确]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 0.0.1
|
||
* @datetime 2017-03-05T16:55:00+0800
|
||
* @param [string] $verify [验证码（默认从post读取）]
|
||
* @return [booolean] [正确true, 错误false]
|
||
*/
|
||
public function CheckCorrect($verify = '')
|
||
{
|
||
if(isset($_SESSION[$this->key_verify]['verify']))
|
||
{
|
||
if(empty($verify) && isset($_POST['verify']))
|
||
{
|
||
$verify = trim($_POST['verify']);
|
||
}
|
||
return ($_SESSION[$this->key_verify]['verify'] == strtolower($verify));
|
||
}
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* [Remove 验证码清除]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 0.0.1
|
||
* @datetime 2017-03-08T10:18:20+0800
|
||
* @return [other] [无返回值]
|
||
*/
|
||
public function Remove()
|
||
{
|
||
if(isset($_SESSION[$this->key_verify]))
|
||
{
|
||
unset($_SESSION[$this->key_verify]);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* [KindofSession 种验证码session]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 0.0.1
|
||
* @datetime 2017-03-05T18:52:45+0800
|
||
*/
|
||
private function KindofSession()
|
||
{
|
||
$_SESSION[$this->key_verify] = array(
|
||
'verify' => $this->rand_string,
|
||
'time' => time(),
|
||
);
|
||
}
|
||
|
||
/**
|
||
* [InterferencePoint 加入干扰，画点]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 0.0.1
|
||
* @datetime 2017-03-05T16:55:34+0800
|
||
*/
|
||
private function InterferencePoint()
|
||
{
|
||
for($i=0; $i<200; $i++)
|
||
{
|
||
//产生随机的颜色
|
||
$bgcolor = imagecolorallocate($this->img, rand(0,255), rand(0,255), rand(0,255));
|
||
imagesetpixel($this->img, rand()%$this->width, rand()%$this->height, $bgcolor);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* [InterferenceLine 加入干扰，画出多条线]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 0.0.1
|
||
* @datetime 2017-03-05T16:55:46+0800
|
||
*/
|
||
private function InterferenceLine()
|
||
{
|
||
for($i=0; $i<5; $i++)
|
||
{
|
||
//产生随机的颜色
|
||
$bgcolor = imagecolorallocate($this->img, rand(0,255), rand(0,255), rand(0,255));
|
||
imageline($this->img, rand(10,90), 0, rand(0,$this->width*2), $this->height, $bgcolor);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* [GetRandString 生成随机数值]
|
||
* @author Devil
|
||
* @blog http://gong.gg/
|
||
* @version 0.0.1
|
||
* @datetime 2017-03-05T16:55:54+0800
|
||
*/
|
||
private function GetRandString()
|
||
{
|
||
$origstr = '3456789abxdefghijkmnprstuvwxy';
|
||
$string = '';
|
||
$len = strlen($origstr);
|
||
for($i=0; $i<$this->length; $i++)
|
||
{
|
||
$index = mt_rand(0, $len-1);
|
||
$char = $origstr[$index];
|
||
$string .= $char;
|
||
}
|
||
return $string;
|
||
}
|
||
}
|
||
?>
|