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Example code of vipkwd/webman-throttle

Informations about the package webman-throttle

webman-throttle

A middleware plugins of webman framework

警告/提示

在任何项目中使用任何插件/中间件，当你进行了自定义配置、二开等操作/编辑后，再卸载相关插件/中间件，都有可能丢失数据或导致项目异常的风险。 本中间件为防止前述问题发生，当你执行 composer remove vipkwd/webman-throttle 删除本中间件时，卸载指令将检测相关文件指纹，只有指纹未发生变化(相对于原始库)时才会删除（即：指令不会删除你改动过的文件

作用

通过本中间件可限定用户在一段时间内的访问次数，可用于保护接口防爬防爆破的目的。

安装

composer require vipkwd/webman-throttle

安装后会自动为项目生成 config/throttle.php 配置文件，安装后组件不会自动启用，需要手动设置。

开启

插件以中间件的方式进行工作，因此它的开启与其他中间件一样，例如在全局中间件中使用:

配置说明

当配置项满足以下条件任何一个时，不会限制访问频率：

key === false || key === null || visit_rate === null

其中 key 用来设置缓存键的, 而 visit_rate 用来设置访问频率，单位可以是秒，分，时，天。例如：1/s, 10/m, 98/h, 100/d , 也可以是 100/600 （600 秒内最多 100 次请求）。

场景用例

示例一：针对用户个体做限制,key 的值可以设为函数，该函数返回新的缓存键值(需要 Session 支持)，例如：
实例二：在回调函数里针对不同控制器和方法定制生成 key，中间件会进行转换:
示例三：在闭包内修改本次访问频率或临时更换限流策略：(PS：此示例需要本中间件在路由中间件后启用，这样预设的替换功能才会生效。)
示例四：在路由中独立配置
示例五：路由自定义限流策略

更新日志：

v1.1.1: 优化中间件安装、卸载策略(实现安全卸载)

v1.1.0: 增加路由自定义限流策略

v1.0.1: 初始版本(webman下实现 think-throttle 的限流策略)

注意：

1、截至(Webman 1.2.5, Webman-framework v1.2.7) 不支持路由中间件默认传参

2、限流命中(禁止访问)时，think-throttle 默认抛出 HttpResponseException, 本中间件场景下将正常响应 HttpResponse（即不会 Throw Except），特殊需求请在 "visit_fail_response" 匿名函数中配置

申明

本库基于 think-throttle v1.3.x 修改再发布

All versions of webman-throttle with dependencies

PHP Build Version
Package Version
Requires php Version >=7.4
workerman/webman-framework Version ^1.2.1
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