110 lines
3.3 KiB
Go
110 lines
3.3 KiB
Go
// Copyright 2015 ISRG. All rights reserved
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package sa
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import (
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"encoding/json"
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"errors"
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"fmt"
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jose "github.com/letsencrypt/boulder/Godeps/_workspace/src/github.com/square/go-jose"
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gorp "github.com/letsencrypt/boulder/Godeps/_workspace/src/gopkg.in/gorp.v1"
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"github.com/letsencrypt/boulder/core"
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)
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// BoulderTypeConverter is used by Gorp for storing objects in DB.
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type BoulderTypeConverter struct{}
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// ToDb converts a Boulder object to one suitable for the DB representation.
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func (tc BoulderTypeConverter) ToDb(val interface{}) (interface{}, error) {
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switch t := val.(type) {
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case core.AcmeIdentifier, []core.Challenge, []core.AcmeURL, [][]int:
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jsonBytes, err := json.Marshal(t)
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if err != nil {
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return nil, err
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}
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return string(jsonBytes), nil
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case jose.JsonWebKey:
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jsonBytes, err := t.MarshalJSON()
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if err != nil {
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return "", err
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}
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return string(jsonBytes), nil
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case core.AcmeStatus:
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return string(t), nil
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case core.OCSPStatus:
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return string(t), nil
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default:
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return val, nil
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}
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}
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// FromDb converts a DB representation back into a Boulder object.
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func (tc BoulderTypeConverter) FromDb(target interface{}) (gorp.CustomScanner, bool) {
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switch target.(type) {
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case *core.AcmeIdentifier, *[]core.Challenge, *[]core.AcmeURL, *[][]int, core.JsonBuffer:
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binder := func(holder, target interface{}) error {
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s, ok := holder.(*string)
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if !ok {
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return errors.New("FromDb: Unable to convert *string")
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}
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b := []byte(*s)
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return json.Unmarshal(b, target)
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}
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return gorp.CustomScanner{Holder: new(string), Target: target, Binder: binder}, true
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case *jose.JsonWebKey:
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binder := func(holder, target interface{}) error {
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s, ok := holder.(*string)
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if !ok {
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return fmt.Errorf("FromDb: Unable to convert %T to *string", holder)
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}
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if *s == "" {
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return errors.New("FromDb: Empty JWK field.")
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}
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b := []byte(*s)
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k, ok := target.(*jose.JsonWebKey)
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if !ok {
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return fmt.Errorf("FromDb: Unable to convert %T to *jose.JsonWebKey", target)
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}
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return k.UnmarshalJSON(b)
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}
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return gorp.CustomScanner{Holder: new(string), Target: target, Binder: binder}, true
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case *core.AcmeStatus:
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binder := func(holder, target interface{}) error {
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s, ok := holder.(*string)
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if !ok {
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return fmt.Errorf("FromDb: Unable to convert %T to *string", holder)
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}
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st, ok := target.(*core.AcmeStatus)
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if !ok {
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return fmt.Errorf("FromDb: Unable to convert %T to *core.AcmeStatus", target)
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}
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*st = core.AcmeStatus(*s)
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return nil
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}
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return gorp.CustomScanner{Holder: new(string), Target: target, Binder: binder}, true
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case *core.OCSPStatus:
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binder := func(holder, target interface{}) error {
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s, ok := holder.(*string)
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if !ok {
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return fmt.Errorf("FromDb: Unable to convert %T to *string", holder)
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}
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st, ok := target.(*core.OCSPStatus)
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if !ok {
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return fmt.Errorf("FromDb: Unable to convert %T to *core.OCSPStatus", target)
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}
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*st = core.OCSPStatus(*s)
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return nil
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}
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return gorp.CustomScanner{Holder: new(string), Target: target, Binder: binder}, true
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default:
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return gorp.CustomScanner{}, false
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}
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}
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