forked from mystiq/dex
58 lines
1.7 KiB
Go
58 lines
1.7 KiB
Go
package refresh
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import (
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"crypto/rand"
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"errors"
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"github.com/coreos/go-oidc/oidc"
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)
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const (
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DefaultRefreshTokenPayloadLength = 64
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TokenDelimer = "/"
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)
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var (
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ErrorInvalidUserID = errors.New("invalid user ID")
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ErrorInvalidClientID = errors.New("invalid client ID")
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ErrorInvalidToken = errors.New("invalid token")
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)
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type RefreshTokenGenerator func() ([]byte, error)
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func (g RefreshTokenGenerator) Generate() ([]byte, error) {
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return g()
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}
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func DefaultRefreshTokenGenerator() ([]byte, error) {
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// TODO(yifan) Remove this duplicated token generate function.
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b := make([]byte, DefaultRefreshTokenPayloadLength)
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n, err := rand.Read(b)
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if err != nil {
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return nil, err
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}
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if n != DefaultRefreshTokenPayloadLength {
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return nil, errors.New("unable to read enough random bytes")
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}
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return b, nil
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}
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type RefreshTokenRepo interface {
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// Create generates and returns a new refresh token for the given client-user pair.
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// On success the token will be return.
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Create(userID, clientID string) (string, error)
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// Verify verifies that a token belongs to the client, and returns the corresponding user ID.
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// Note that this assumes the client validation is currently done in the application layer,
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Verify(clientID, token string) (string, error)
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// Revoke deletes the refresh token if the token belongs to the given userID.
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Revoke(userID, token string) error
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// RevokeTokensForClient revokes all tokens issued for the userID for the provided client.
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RevokeTokensForClient(userID, clientID string) error
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// ClientsWithRefreshTokens returns a list of all clients the user has an outstanding client with.
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ClientsWithRefreshTokens(userID string) ([]oidc.ClientIdentity, error)
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}
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