64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
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package oppo
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import (
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"crypto/sha256"
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"encoding/json"
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"fmt"
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"net/http"
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"net/url"
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"strconv"
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"time"
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)
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// Auth oppo auth token.
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type Auth struct {
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Token string
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Expire int64
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}
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type authResponse struct {
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Code int `json:"code"`
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Message string `json:"message"`
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Data struct {
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Token string `json:"auth_token"`
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CreateTime int64 `json:"create_time"` // auth token的授权时间，单位为毫秒
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} `json:"data"`
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}
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// NewAuth get auth token.
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func NewAuth(key, secret string) (a *Auth, err error) {
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tm := strconv.FormatInt(time.Now().UnixNano()/1000000, 10) // 用毫秒
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params := url.Values{}
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params.Add("app_key", key)
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params.Add("timestamp", tm)
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params.Add("sign", sign(key, secret, tm))
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res, err := http.PostForm(_apiAuth, params)
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if err != nil {
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return
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}
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defer res.Body.Close()
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dc := json.NewDecoder(res.Body)
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resp := new(authResponse)
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if err = dc.Decode(resp); err != nil {
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return
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}
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if resp.Code == ResponseCodeSuccess {
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a = &Auth{
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Token: resp.Data.Token,
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Expire: resp.Data.CreateTime/1000 + _authExpire,
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}
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return
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}
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err = fmt.Errorf("new access error, code(%d) description(%s)", resp.Code, resp.Message)
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return
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}
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func sign(key, secret, timestamp string) string {
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return fmt.Sprintf("%x", sha256.Sum256([]byte(key+timestamp+secret)))
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}
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// IsExpired judge that whether privilige expired.
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func (a *Auth) IsExpired() bool {
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return a.Expire <= time.Now().Add(4*time.Hour).Unix() // 提前4小时过期，for renew auth
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}
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