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63 lines
1.6 KiB
63 lines
1.6 KiB
4 years ago
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package auth
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import (
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"crypto/hmac"
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"crypto/sha256"
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"encoding/base64"
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b64 "encoding/base64"
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"encoding/hex"
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"fmt"
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"net/http"
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"strconv"
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"time"
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)
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type Auther struct {
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AccessID string
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SecretKey string
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}
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var UseSignAuthored = true
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func (a *Auther) Auth(req *http.Request, useSignAuthored bool, auth Auther, reqBody string) {
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if useSignAuthored {
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now := time.Now()
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timeStamp := now.Unix()
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req.Header.Add("AccessId", auth.AccessID)
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req.Header.Add("TimeStamp", strconv.Itoa(int(timeStamp)))
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sign := GenSign(uint64(timeStamp), auth.AccessID, auth.SecretKey, reqBody)
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req.Header.Add("Sign", sign)
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} else {
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author := makeAuthHeader(a.AccessID, a.SecretKey)
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//log.Printf("author string:%v", author)
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req.Header.Add("Authorization", author)
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}
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//req.Header.Add("Content-Type", "application/json")
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}
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func makeAuthHeader(appID, secretKey string) string {
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base64Str := base64.StdEncoding.EncodeToString(
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[]byte(
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fmt.Sprintf("%s:%s", appID, secretKey),
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),
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)
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return fmt.Sprintf("Basic %s", base64Str)
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}
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func GenSign(timeStamp uint64, accessId string, secretKey, requestBody string) string {
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signBody := strconv.Itoa(int(timeStamp)) + accessId + requestBody
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// Create a new HMAC by defining the hash type and the key (as byte array)
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h := hmac.New(sha256.New, []byte(secretKey))
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// Write Data to it
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h.Write([]byte(signBody))
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// Get result and encode as hexadecimal string
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sha := hex.EncodeToString(h.Sum(nil))
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//fmt.Println()
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//fmt.Println("timeStamp: " + strconv.Itoa(int(timeStamp)) + " accessID:" + accessId + " body:" + requestBody)
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sEnc := b64.StdEncoding.EncodeToString([]byte(sha))
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//fmt.Println("final Result " + sEnc)
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return sEnc
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}
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