mirror of
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61 lines
1.8 KiB
Go
61 lines
1.8 KiB
Go
package auth
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import (
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stdContext "context"
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"encoding/json"
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"fmt"
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"github.com/silenceper/wechat/v2/openplatform/context"
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"github.com/silenceper/wechat/v2/util"
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)
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const (
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code2SessionURL = "https://api.weixin.qq.com/sns/component/jscode2session?appid=%s&js_code=%s&grant_type=authorization_code&component_appid=%s&component_access_token=%s"
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)
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// Auth 登录/用户信息
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type Auth struct {
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*context.Context
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authorizerAppID string
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}
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// NewAuth new auth (授权方appID)
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func NewAuth(ctx *context.Context, appID string) *Auth {
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return &Auth{ctx, appID}
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}
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// ResCode2Session 登录凭证校验的返回结果
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type ResCode2Session struct {
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util.CommonError
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OpenID string `json:"openid"` // 用户唯一标识
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SessionKey string `json:"session_key"` // 会话密钥
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UnionID string `json:"unionid"` // 用户在开放平台的唯一标识符，在满足UnionID下发条件的情况下会返回
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}
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// Code2Session 登录凭证校验。
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func (auth *Auth) Code2Session(jsCode string) (result ResCode2Session, err error) {
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return auth.Code2SessionContext(stdContext.Background(), jsCode)
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}
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// Code2SessionContext 登录凭证校验。
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func (auth *Auth) Code2SessionContext(ctx stdContext.Context, jsCode string) (result ResCode2Session, err error) {
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var response []byte
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var componentAccessToken string
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componentAccessToken, err = auth.GetComponentAccessToken()
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if err != nil {
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return
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}
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parse := fmt.Sprintf(code2SessionURL, auth.authorizerAppID, jsCode, auth.Context.AppID, componentAccessToken)
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if response, err = util.HTTPGetContext(ctx, parse); err != nil {
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return
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}
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if err = json.Unmarshal(response, &result); err != nil {
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return
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}
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if result.ErrCode != 0 {
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err = fmt.Errorf("Code2Session error : errcode=%v , errmsg=%v", result.ErrCode, result.ErrMsg)
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return
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}
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return
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}
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