43 lines
877 B
Go
43 lines
877 B
Go
package util
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import (
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"crypto/sha1"
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"encoding/base64"
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"encoding/hex"
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"fmt"
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"io"
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"net/url"
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"sort"
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"strings"
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)
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func GetSign(params map[string]interface{}, accessKey string) string {
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// key排序
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arr := sort.StringSlice{}
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for k := range params {
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if k != "sign" {
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arr = append(arr, k)
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}
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}
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arr.Sort()
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// 参数拼接
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var build strings.Builder
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for idx, k := range arr {
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if idx != 0 {
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build.WriteString("&")
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}
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build.WriteString(fmt.Sprintf("%s=%v", k, params[k]))
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}
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build.WriteString(accessKey)
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// URL encode
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sourceStr := url.QueryEscape(build.String())
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// sha1加密
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h := sha1.New()
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_, _ = io.WriteString(h, sourceStr)
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shaStr := hex.EncodeToString(h.Sum([]byte("")))
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// 返回base64字符串
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b64Str := base64.StdEncoding.EncodeToString([]byte(shaStr))
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// base64字符串含有=和/，再一次URL encode
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return url.QueryEscape(b64Str)
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}
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