66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
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package huawei
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// http://developer.huawei.com/consumer/cn/service/hms/catalog/huaweipush.html?page=hmssdk_huaweipush_api_reference_s1
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import (
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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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"time"
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)
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const (
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_accessTokenURL = "https://login.vmall.com/oauth2/token"
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_grantType = "client_credentials"
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_respCodeSuccess = 0
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)
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// Access huawei access token.
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type Access struct {
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AppID string
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Token string
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Expire int64
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}
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type accessResponse struct {
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Token string `json:"access_token"`
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Expire int64 `json:"expires_in"` // Access Token的有效期，以秒为单位
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Scope string `json:"scope"` // Access Token的访问范围，即用户实际授予的权限列表
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Code int `json:"error"`
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Desc string `json:"error_description"`
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}
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// NewAccess get token.
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func NewAccess(clientID, clientSecret string) (a *Access, err error) {
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params := url.Values{}
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params.Add("grant_type", _grantType)
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params.Add("client_id", clientID)
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params.Add("client_secret", clientSecret)
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res, err := http.PostForm(_accessTokenURL, 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(accessResponse)
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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 == _respCodeSuccess {
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a = &Access{
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AppID: clientID,
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Token: resp.Token,
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Expire: time.Now().Unix() + resp.Expire,
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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.Desc)
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return
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}
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// IsExpired judge that whether privilige expired.
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func (a *Access) IsExpired() bool {
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return a.Expire <= time.Now().Add(8*time.Hour).Unix() // 提前8小时过期，for renew auth
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}
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