47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
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package spark
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import (
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"crypto/hmac"
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"crypto/md5"
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"crypto/sha1"
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"encoding/base64"
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"strconv"
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)
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// spark 接口签名计算
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// MD5_TABLE 定义 MD5 转换表
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var MD5_TABLE = []rune{
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'0', '1', '2', '3', '4', '5', '6', '7',
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'8', '9', 'a', 'b', 'c', 'd', 'e', 'f',
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}
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// ApiAuthAlgorithm 定义 API 认证算法结构体
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type ApiAuthAlgorithm struct{}
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// GetSignature 获取签名
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func (a *ApiAuthAlgorithm) GetSignature(appId, secret string, ts int64) string {
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auth := a.md5(appId + strconv.FormatInt(ts, 10))
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if auth == "" {
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return ""
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}
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return a.hmacSHA1Encrypt(auth, secret)
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}
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// hmacSHA1Encrypt sha1 加密
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func (a *ApiAuthAlgorithm) hmacSHA1Encrypt(encryptText, encryptKey string) string {
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h := hmac.New(sha1.New, []byte(encryptKey))
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h.Write([]byte(encryptText))
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return base64.StdEncoding.EncodeToString(h.Sum(nil))
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}
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// md5 MD5 加密
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func (a *ApiAuthAlgorithm) md5(cipherText string) string {
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hash := md5.Sum([]byte(cipherText))
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result := make([]rune, 32)
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for i, v := range hash {
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result[i*2] = MD5_TABLE[v>>4&0xf]
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result[i*2+1] = MD5_TABLE[v&0xf]
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}
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return string(result)
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}
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