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package CheckHandler
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import (
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"github.com/gin-gonic/gin"
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"regexp"
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"strings"
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)
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//在注释标签中声明的标识字符串：X-TelLimit
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var telLimit = "x-tellimit"
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//形成一个map,用于O(1)速度获取到一个接口是不是需要进行判断拦截，注意，一个接口可以存在post+get两种形式，所以map里面是一个数组，需要遍历
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type telLimitStruct struct {
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parameterName string
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httpType string
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must bool
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}
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//长度限制的map,以string为key(key的命名是接口名+"_get" 或者 接口名+"_post"),里面是telLimitStruct形式的数组
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var telLimitMap = make(map[string][]telLimitStruct)
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/**
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功能：功能函数，添当前的检查字典里
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*/
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func telAddToMap(d map[string]interface{}, t map[string]interface{}, k string, httpType string) {
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var telLimitArray []telLimitStruct
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d = t[httpType].(map[string]interface{})
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if d != nil && d[telLimit] != nil {
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for _, value := range d[telLimit].([]interface{}) {
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var t telLimitStruct
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t.parameterName = value.(string)
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t.httpType = httpType
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//此参数是否为必填写项
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for _, v2 := range d["parameters"].([]interface{}) {
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c2 := v2.(map[string]interface{})
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for k2, v2 := range c2 {
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if k2 == "required" {
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t.must = v2.(bool) //标识是否是必须项
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}
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}
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}
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telLimitArray = append(telLimitArray, t)
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}
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telLimitMap[k+"_"+httpType] = telLimitArray
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}
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}
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/**
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功能：初始化手机号限制字典
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*/
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func telLimitInit(inter interface{}) map[string][]telLimitStruct {
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//参数检查器
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m := inter.(map[string]interface{})
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n := m["paths"].(map[string]interface{})
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for k, v := range n {
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t := v.(map[string]interface{})
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//参数长度检查器
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var d map[string]interface{}
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if t["get"] != nil {
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telAddToMap(d, t, k, "get")
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}
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if t["post"] != nil {
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telAddToMap(d, t, k, "post")
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}
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}
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return telLimitMap
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}
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/**
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功能：检查字符串是否是手机号
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作者：黄海
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时间：2020-03-17
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*/
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func telLimitIsLegal(c *gin.Context, interName string) (bool, ResultStruct) {
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var resultStruct ResultStruct
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//接口传入的请求方式:get?post?
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codeHttpType := strings.ToLower(c.Request.Method)
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//1、如果此接口地址需要进行参数长度检查
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if telLimitMap[interName+"_"+codeHttpType] != nil {
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arr := telLimitMap[interName+"_"+codeHttpType]
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resultStruct.InterfaceName = interName
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//遍历arr
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for i := 0; i < len(arr); i++ {
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parameterName := arr[i].parameterName
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httpType := arr[i].httpType
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var p string
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if httpType == "get" {
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p = c.Query(parameterName)
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} else {
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p = c.PostForm(parameterName)
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}
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resultStruct.Parameter = parameterName
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//为空，不需要检查，通过
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if p == "" && !arr[i].must {
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return true, resultStruct
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}
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//为空，需要检查，禁止
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if p == "" && arr[i].must{
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resultStruct.Message = "参数没有找到!"
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return false, resultStruct
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}
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if !verifyMobileFormat(p) {
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resultStruct.HttpType = httpType
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resultStruct.Message = "不是合法手机号！"
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return false, resultStruct
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}
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}
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}
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return true, resultStruct
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}
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func verifyMobileFormat(mobileNum string) bool {
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regular := "^((13[0-9])|(14[5,7])|(15[0-3,5-9])|(17[0,3,5-8])|(18[0-9])|166|198|199|(147))\\d{8}$"
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reg := regexp.MustCompile(regular)
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return reg.MatchString(mobileNum)
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}
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