/
token.go
132 lines (109 loc) · 3.24 KB
/
token.go
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package papers
import (
"context"
"fmt"
"time"
"github.com/alayton/papers/utils"
)
type Token interface {
GetUserID() int64
GetToken() string
GetValid() bool
GetChain() string
GetCreatedAt() time.Time
SetUserID(id int64)
SetToken(token string)
SetValid(valid bool)
SetChain(chain string)
SetCreatedAt(at time.Time)
}
type AccessToken struct {
Identity int64 `json:"id"`
Token string `json:"to"`
Expiration time.Time `json:"ex"`
Roles []string `json:"ro"`
Permissions []string `json:"pe"`
Chain string `json:"ch"`
}
type RefreshToken struct {
Identity int64 `json:"id"`
Token string `json:"to"`
Chain string `json:"ch"`
Limited bool `json:"li"`
}
func (p *Papers) NewAccessToken(ctx context.Context, userID int64, refresh *RefreshToken) (*AccessToken, error) {
var chain string
if refresh != nil {
chain = refresh.Chain
} else {
chain = utils.NewChain()
}
token := &AccessToken{
Identity: userID,
Token: utils.NewToken(),
Expiration: time.Now().Add(p.Config.AccessExpiration),
Chain: chain,
}
if p.Config.StoreAllAccessTokens {
if err := p.Config.Storage.Tokens.CreateAccessToken(ctx, userID, token.Token, token.Chain, true); err != nil {
return nil, fmt.Errorf("%w: %v", ErrStorageError, err)
}
}
p.Config.Storage.TokenCache.SetTokenValidity(token.Token, true)
return token, nil
}
func (p *Papers) NewRefreshToken(ctx context.Context, access *AccessToken) (*RefreshToken, error) {
token := &RefreshToken{
Identity: access.Identity,
Token: utils.NewToken(),
Chain: access.Chain,
}
if err := p.Config.Storage.Tokens.CreateRefreshToken(ctx, access.Identity, token.Token, token.Chain, true); err != nil {
return nil, fmt.Errorf("%w: %v", ErrStorageError, err)
}
p.Config.Storage.TokenCache.SetTokenValidity(token.Token, true)
return token, nil
}
func (p *Papers) NewAccessTokenFromRefreshToken(ctx context.Context, refresh *RefreshToken) (*AccessToken, *RefreshToken, error) {
access, err := p.NewAccessToken(ctx, refresh.Identity, refresh)
if err != nil {
return nil, nil, err
}
if p.Config.RotateRefreshTokens {
if err := p.Config.Storage.Tokens.InvalidateRefreshToken(ctx, refresh.Identity, refresh.Token); err != nil {
return nil, nil, fmt.Errorf("%w: %v", ErrStorageError, err)
}
p.Config.Storage.TokenCache.SetTokenValidity(refresh.Token, false)
refresh, err = p.NewRefreshToken(ctx, access)
if err != nil {
return nil, nil, err
}
}
return access, refresh, nil
}
func (p *Papers) pruneAccessTokens(ctx context.Context) {
if err := p.Config.Storage.Tokens.PruneAccessTokens(ctx, p.Config.StaleAccessTokensAge); err != nil {
p.Logger.Error("PruneAccessTokens failed", "error", err)
}
timer := time.NewTimer(p.Config.PruneAccessTokensInterval)
select {
case <-ctx.Done():
timer.Stop()
return
case <-timer.C:
p.pruneAccessTokens(ctx)
}
}
func (p *Papers) pruneRefreshTokens(ctx context.Context) {
if err := p.Config.Storage.Tokens.PruneRefreshTokens(ctx, p.Config.StaleRefreshTokensAge); err != nil {
p.Logger.Error("PruneRefreshTokens failed", "error", err)
}
timer := time.NewTimer(p.Config.PruneRefreshTokensInterval)
select {
case <-ctx.Done():
timer.Stop()
return
case <-timer.C:
p.pruneRefreshTokens(ctx)
}
}