Created
September 20, 2018 10:06
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package sign | |
import ( | |
"crypto/md5" | |
"encoding/hex" | |
"net/url" | |
"sort" | |
"strings" | |
) | |
// SignToken . | |
// http://open.taobao.com/doc.htm?docId=101617&docType=1 | |
type SignToken struct { | |
params url.Values | |
secret string | |
} | |
func (s *SignToken) step1() []string { | |
keys := make([]string, 0, len(s.params)) | |
for key := range s.params { | |
keys = append(keys, key) | |
} | |
sort.Sort(sort.StringSlice(keys)) | |
return keys | |
} | |
func (s *SignToken) step2(keys []string) string { | |
result := "" | |
for _, key := range keys { | |
result += key + s.params.Get(key) | |
} | |
return result | |
} | |
func (s *SignToken) step3(params string) [md5.Size]byte { | |
return md5.Sum([]byte(s.secret + params + s.secret)) | |
} | |
func (s *SignToken) step4(b [md5.Size]byte) string { | |
return strings.ToUpper(hex.EncodeToString(b[:])) | |
} | |
// Sign . | |
func (s *SignToken) Sign() string { | |
return s.step4(s.step3(s.step2(s.step1()))) | |
} | |
// NewSignToken create a SignToken | |
func NewSignToken(params url.Values, secret string) *SignToken { | |
return &SignToken{params: params, secret: secret} | |
} |
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package sign | |
func TestSign(t *testing.T) { | |
assert := assert.New(t) | |
s := NewSignToken(url.Values{ | |
"method": []string{"taobao.item.seller.get"}, | |
"app_key": []string{"12345678"}, | |
"session": []string{"test"}, | |
"timestamp": []string{"2016-01-01 12:00:00"}, | |
"format": []string{"json"}, | |
"v": []string{"2.0"}, | |
"sign_method": []string{"md5"}, | |
"fields": []string{"num_iid,title,nick,price,num"}, | |
"num_iid": []string{"11223344"}, | |
}, "helloworld") | |
if s.Sign() != "66987CB115214E59E6EC978214934FB8" { | |
panic("error") | |
} | |
} |
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