Laravel quickly creates a verification code tool similar to Google verification code

Overview

laravel-gridCaptcha

Laravel quickly creates a verification code tool similar to Google verification code

laravel 快速创建一个类似于 Google 点图验证码的本地验证码扩展

介绍

laravel-gridCaptcha 生成类似于谷歌点图验证码的小扩展,因为现在PHP大部分生成的验证码,对于恶意者来说很容易识别,而这套小扩展很简单但是对于机器人来说需要进行深度的机器学习,恶意者攻击的成本也就增加了,但是这套小扩展不同于谷歌验证码需要机器学习,只需要在本地配置好相应的文件即可。因为生成的验证码图片都是读取文件进行生成,所以建议使用Redis进行缓存,代码默认有使用缓存。

ps: 如有不足之处,欢迎大佬提出修改意见。

预览

Preview

安装

支持 Laravel 8 以上版本:

 composer require deletedb/laravel-captcha-grid

配置项说明

  • 发布配置文件
php artisan vendor:publish --provider="Deletedb\Laravel\Providers\LaravelServiceProvider"
config/gridcaptcha.php
return [
    //生成验证码图片配置
    'image' => [
        //验证码图片路径
        'path' => env('GRID_CAPTCHA_IMAGE_PATH', storage_path('gridcaptcha\image')),
        //从验证码图片路径中获取的文件后缀名
        'suffix' => env('GRID_CAPTCHA_IMAGE_SUFFIX', 'jpg'),
        //生成验证码质量
        'quality' => env('GRID_CAPTCHA_IMAGE_QUALITY', 70),
        //生产验证码宽
        'wide' => env('GRID_CAPTCHA_IMAGE_WIDE', 300),
        //生产验证码高
        'high' => env('GRID_CAPTCHA_IMAGE_HIGH', 300),
    ],
    //验证码配置
    'captcha' => [
        //生成的验证码过期时间 单位秒
        'validity' => env('GRID_CAPTCHA_IMAGE_VALIDITY', 180),
        //验证码缓存的key
        'cache_key' => env('GRID_CAPTCHA_IMAGE_CACHE_KEY', 'grid_captcha'),
        //验证码生成的key长度
        'key_length' => env('GRID_CAPTCHA_IMAGE_KEY_LENGTH', 64),
        //自定义效验验证码key字段
        'key_string' => env('GRID_CAPTCHA_IMAGE_KEY_STRING', 'captcha_key'),
        //自定义效验验证码code字段
        'code_string' => env('GRID_CAPTCHA_IMAGE_CODE_STRING', 'captcha_code'),
    ],
];

使用

  • 生成验证码



namespace App\Http\Controllers;


class TestController extends Controller
{
    /**
     * 辅助函数生成验证码
     * @return array
     */
    public function helpers()
    {
        return grid_captcha([
            'mobile' => '100xxxxx121'
        ]);
    }

    /**
     * 门面方式生成验证码
     * @return array
     */
    public function facade()
    {
        return \Deletedb\Laravel\Facades\GridCaptcha::get([
            'mobile' => '100xxxxx121'
        ]);
    }

    /**
     * 对象方式生成验证码
     * @return array
     */
    public function object()
    {
        $captcha = new \Deletedb\Laravel\GridCaptcha();
        return $captcha->get([
            'mobile' => '100xxxxx121'
        ]);
    }
}
  • 生成结果
{
  "hint": "猴子",//提示文本
  "captcha_key": "Qh8kHYF4C....",//验证码key
  "image": "data:image/jpeg;base64,/9j/...."//base64验证码图片 -- 前端渲染显示
}
  • 效验验证码
">
 
<div>
    
    <img src="data:image/jpeg;base64...." width="300" height="300" alt="" style="display: block;">
    <div id="0">div>
    <div id="1">div>
    <div id="2">div>
    <div id="3">div>
    <div id="4">div>
    <div id="5">div> <div id="6">div> <div id="7">div> <div id="8">div> div>
  • 效果: Preview





namespace App\Http\Controllers;


use Illuminate\Http\Request;

class TestController extends Controller
{

    /**
     * 辅助函数方式效验
     * @param Request $request
     * @return array|false|\Illuminate\Http\JsonResponse
     */
    public function helpersCheck(Request $request)
    {
        /**
         * 传参效验
         */
        if ($captcha_data = grid_captcha()->check('Qh8kHYF4C....', '1540') === false) {
            return response()->json(['message' => '验证码错误', 'code' => 401]);
        }

        /**
         * 传递 Request 对象效验
         */
        if ($captcha_data = grid_captcha()->checkRequest($request)) {
            return response()->json(['message' => '验证码错误', 'code' => 401]);
        }

        return $captcha_data;
    }
    
    /**
     * 门面方式效验
     * @param Request $request
     * @return array|false|\Illuminate\Http\JsonResponse
     */
    public function facadeCheck(Request $request)
    {
        /**
         * 传参效验
         */
        if ($captcha_data = \Deletedb\Laravel\Facades\GridCaptcha::check('Qh8kHYF4C....', '1540') === false) {
            return response()->json(['message' => '验证码错误', 'code' => 401]);
        }

        /**
         * 传递 Request 对象效验
         */
        if ($captcha_data = \Deletedb\Laravel\Facades\GridCaptcha::checkRequest($request)) {
            return response()->json(['message' => '验证码错误', 'code' => 401]);
        }

        return $captcha_data;
    }
    
    /**
     * 对象方式效验
     * @param Request $request
     * @return array|false|\Illuminate\Http\JsonResponse
     */
    public function objectCheck(Request $request)
    {
        $captcha = new \Deletedb\Laravel\GridCaptcha();
        /**
         * 传参效验
         */
        if ($captcha_data = $captcha->check('Qh8kHYF4C....', '1540') === false) {
            return response()->json(['message' => '验证码错误', 'code' => 401]);
        }

        /**
         * 传递 Request 对象效验
         */
        if ($captcha_data = $captcha->checkRequest($request)) {
            return response()->json(['message' => '验证码错误', 'code' => 401]);
        }

        return $captcha_data;
    }
}

    //效验完成正确后 您可以进行业务逻辑处理,比如可以获取到上方设置在验证码中的数据 如:上方设置的是手机号,您这里可以获取验证码中的手机号,当效验成功发送短信验证码等...
  • 效验成功返回: 返回的是您在生成验证时传递的数据,默认返回空数组
  • 效验失败返回: false
{
  "mobile" : "100xxxxx121"
}
  • 本地化提示
resources/lang/zh_CN/grid-captcha.php

//一个图片目录对应一个提示
return [
    'banmaxian' => '斑马线',
    'gongjiaoche' => '公交车',
    'heiban' => '黑板',
    'honglvdeng' => '红绿灯',
    'hongzao' => '红枣',
    'houzi' => '猴子',
    'qianbi' => '铅笔',
    'shutiao' => '薯条',
    'xiaofangshuan' => '消防栓',
    'zhenglong' => '蒸笼',
];
  • 新增验证码图片

    例:新增一个类型为 pingguo 验证码类型的图片,需要在配置文件中的 image.path 目录下创建名为 pingguo 的目录并且把相关类型的图片文件存放在 pingguo 目录,新增一个类型至少要有四张相关类型的图片,不限制文件名,只要文件后缀名是配置文件中指定的即可如下:

─storage
    └─gridcaptcha
        └─image
            ├─pingguo
            │       1.jpg
            │       10.jpg
            │       11.jpg
            │       12.jpg
            │       13.jpg
            

特别说明

因为读取文件是缓存消耗I/O的操作所以我推荐使用Redis进行缓存,此工具默认使用了缓存,缓存有当前验证码图片目录信息、图片;使用Redis缓存只需要在 .env 文件修改 CACHE_DRIVER=redis ,并且添加Redis配置即可;在添加新分类之后建议删除之前的缓存,如果不进行删除将在缓存过期后自动更新。

License

MIT

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