58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
package tool
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import (
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"crypto/md5"
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"encoding/hex"
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"fmt"
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"planA/initialization/golabl"
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"sort"
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"strings"
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)
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// SignParams 对参数进行签名（类似支付宝、微信支付）
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func SignParams(params map[string]string) string {
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SecretKey := golabl.Config.Server.SignKey
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// 1. 过滤空值
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filteredParams := make(map[string]string)
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for k, v := range params {
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if v != "" && k != "sign" && k != "sign_type" {
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filteredParams[k] = v
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}
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}
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// 2. 排序
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keys := make([]string, 0, len(filteredParams))
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for k := range filteredParams {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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// 3. 拼接字符串
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var builder strings.Builder
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for i, k := range keys {
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if i > 0 {
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builder.WriteString("&")
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}
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builder.WriteString(k)
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builder.WriteString("=")
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builder.WriteString(fmt.Sprintf("%v", filteredParams[k]))
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}
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// 4. 追加密钥并签名
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queryStr := builder.String()
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signStr := queryStr + "&key=" + SecretKey
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// MD5签名（常用）
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hash := md5.Sum([]byte(signStr))
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return strings.ToUpper(hex.EncodeToString(hash[:]))
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}
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// VerifySign 验证签名
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func VerifySign(params map[string]string) bool {
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if sign, ok := params["sign"]; ok {
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expectedSign := SignParams(params)
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return expectedSign == sign
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}
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return false
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}
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