82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
// Copyright (C) 2020 Storj Labs, Inc.
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// See LICENSE for copying information.
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package apikey
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import (
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"bytes"
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"context"
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"crypto/rand"
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"encoding/base64"
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"time"
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"github.com/zeebo/errs"
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)
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// ErrNoSecret represents errors from the apikey database.
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var ErrNoSecret = errs.Class("no apikey error")
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// DB is interface for working with apikey tokens.
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//
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// architecture: Database
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type DB interface {
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// Store stores apikey token into db.
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Store(ctx context.Context, secret APIKey) error
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// Check checks if unique apikey exists in db by token.
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Check(ctx context.Context, token Secret) error
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// Revoke removes token from db.
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Revoke(ctx context.Context, token Secret) error
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}
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// Secret stores token of storagenode APIkey.
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type Secret [32]byte
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// APIKey describing apikey model in the database.
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type APIKey struct {
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// Secret is PK of the table and keeps unique value sno apikey token
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Secret Secret
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CreatedAt time.Time `json:"createdAt"`
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}
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// NewSecretToken creates new apikey token.
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func NewSecretToken() (Secret, error) {
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var b [32]byte
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_, err := rand.Read(b[:])
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if err != nil {
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return b, errs.New("error creating apikey token")
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}
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return b, nil
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}
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// String implements Stringer.
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func (secret Secret) String() string {
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return base64.URLEncoding.EncodeToString(secret[:])
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}
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// IsZero returns if the apikey token is not set.
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func (secret Secret) IsZero() bool {
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var zero Secret
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// this doesn't need to be constant-time, because we're explicitly testing
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// against a hardcoded, well-known value
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return bytes.Equal(secret[:], zero[:])
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}
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// TokenSecretFromBase64 creates new apikey token from base64 string.
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func TokenSecretFromBase64(s string) (Secret, error) {
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var token Secret
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b, err := base64.URLEncoding.DecodeString(s)
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if err != nil {
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return token, err
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}
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copy(token[:], b)
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return token, nil
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}
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