68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
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// Copyright 2019 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by the Drone Non-Commercial License
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// that can be found in the LICENSE file.
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package token
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import (
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"context"
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"time"
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"github.com/drone/drone/core"
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"github.com/drone/go-scm/scm"
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"github.com/drone/go-scm/scm/transport/oauth2"
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)
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// expiryDelta determines how earlier a token should be considered
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// expired than its actual expiration time. It is used to avoid late
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// expirations due to client-server time mismatches.
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const expiryDelta = time.Minute
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type renewer struct {
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refresh *oauth2.Refresher
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users core.UserStore
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}
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// Renewer returns a new Renewer.
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func Renewer(refresh *oauth2.Refresher, store core.UserStore) core.Renewer {
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return &renewer{
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refresh: refresh,
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users: store,
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}
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}
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func (r *renewer) Renew(ctx context.Context, user *core.User, force bool) error {
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if r.refresh == nil {
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return nil
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}
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t := &scm.Token{
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Token: user.Token,
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Refresh: user.Refresh,
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Expires: time.Unix(user.Expiry, 0),
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}
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if expired(t) == false && force == false {
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return nil
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}
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err := r.refresh.Refresh(t)
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if err != nil {
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return err
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}
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user.Token = t.Token
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user.Refresh = t.Refresh
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user.Expiry = t.Expires.Unix()
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return r.users.Update(ctx, user)
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}
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// expired reports whether the token is expired.
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func expired(token *scm.Token) bool {
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if len(token.Refresh) == 0 {
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return false
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}
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if token.Expires.IsZero() && len(token.Token) != 0 {
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return false
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}
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return token.Expires.Add(-expiryDelta).
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Before(time.Now())
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}
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