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53 lines
1.4 KiB
53 lines
1.4 KiB
package facebook_auth
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import (
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"context"
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"errors"
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)
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type (
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ISys interface {
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Auth(ctx context.Context, idToken string) (info *FacebookTokenInfo, err error)
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}
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FacebookTokenDebugResponse struct {
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Data *FacebookTokenInfo `json:"data"`
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}
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FacebookTokenInfo struct {
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AppID string `json:"app_id"`
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IsValid bool `json:"is_valid"`
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UserID string `json:"user_id"`
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ExpiresAt int64 `json:"expires_at"`
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Scopes []string `json:"scopes"`
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Error *struct {
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Code int `json:"code"`
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Message string `json:"message"`
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} `json:"error"`
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}
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)
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var defsys ISys
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// ErrNotInited Facebook 登录未初始化。OnInit 失败时调用方可选择降级；此时包级函数返回本错误，而不是 panic。
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var ErrNotInited = errors.New("facebook_auth 未初始化：配置缺失")
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func OnInit(config map[string]interface{}, option ...Option) error {
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sys, err := newSys(newOptions(config, option...))
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if err != nil {
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// 出错时不要给 defsys 赋值，避免「非 nil 接口 + nil 指针」让守卫失效。
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return err
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}
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defsys = sys
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return nil
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}
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func NewSys(option ...Option) (sys ISys, err error) {
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sys, err = newSys(newOptionsByOption(option...))
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return
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}
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func Auth(ctx context.Context, idToken string) (info *FacebookTokenInfo, err error) {
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if defsys == nil {
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return nil, ErrNotInited
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}
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return defsys.Auth(ctx, idToken)
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}
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