githaven-fork/vendor/golang.org/x/crypto/acme/rfc8555.go

123 lines
3.4 KiB
Go

// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package acme
import (
"context"
"encoding/json"
"fmt"
"net/http"
)
// DeactivateReg permanently disables an existing account associated with c.Key.
// A deactivated account can no longer request certificate issuance or access
// resources related to the account, such as orders or authorizations.
//
// It works only with RFC8555 compliant CAs.
func (c *Client) DeactivateReg(ctx context.Context) error {
url := string(c.accountKID(ctx))
if url == "" {
return ErrNoAccount
}
req := json.RawMessage(`{"status": "deactivated"}`)
res, err := c.post(ctx, nil, url, req, wantStatus(http.StatusOK))
if err != nil {
return err
}
res.Body.Close()
return nil
}
// registerRFC is quivalent to c.Register but for RFC-compliant CAs.
// It expects c.Discover to have already been called.
// TODO: Implement externalAccountBinding.
func (c *Client) registerRFC(ctx context.Context, acct *Account, prompt func(tosURL string) bool) (*Account, error) {
c.cacheMu.Lock() // guard c.kid access
defer c.cacheMu.Unlock()
req := struct {
TermsAgreed bool `json:"termsOfServiceAgreed,omitempty"`
Contact []string `json:"contact,omitempty"`
}{
Contact: acct.Contact,
}
if c.dir.Terms != "" {
req.TermsAgreed = prompt(c.dir.Terms)
}
res, err := c.post(ctx, c.Key, c.dir.RegURL, req, wantStatus(
http.StatusOK, // account with this key already registered
http.StatusCreated, // new account created
))
if err != nil {
return nil, err
}
defer res.Body.Close()
a, err := responseAccount(res)
if err != nil {
return nil, err
}
// Cache Account URL even if we return an error to the caller.
// It is by all means a valid and usable "kid" value for future requests.
c.kid = keyID(a.URI)
if res.StatusCode == http.StatusOK {
return nil, ErrAccountAlreadyExists
}
return a, nil
}
// updateGegRFC is equivalent to c.UpdateReg but for RFC-compliant CAs.
// It expects c.Discover to have already been called.
func (c *Client) updateRegRFC(ctx context.Context, a *Account) (*Account, error) {
url := string(c.accountKID(ctx))
if url == "" {
return nil, ErrNoAccount
}
req := struct {
Contact []string `json:"contact,omitempty"`
}{
Contact: a.Contact,
}
res, err := c.post(ctx, nil, url, req, wantStatus(http.StatusOK))
if err != nil {
return nil, err
}
defer res.Body.Close()
return responseAccount(res)
}
// getGegRFC is equivalent to c.GetReg but for RFC-compliant CAs.
// It expects c.Discover to have already been called.
func (c *Client) getRegRFC(ctx context.Context) (*Account, error) {
req := json.RawMessage(`{"onlyReturnExisting": true}`)
res, err := c.post(ctx, c.Key, c.dir.RegURL, req, wantStatus(http.StatusOK))
if e, ok := err.(*Error); ok && e.ProblemType == "urn:ietf:params:acme:error:accountDoesNotExist" {
return nil, ErrNoAccount
}
if err != nil {
return nil, err
}
defer res.Body.Close()
return responseAccount(res)
}
func responseAccount(res *http.Response) (*Account, error) {
var v struct {
Status string
Contact []string
Orders string
}
if err := json.NewDecoder(res.Body).Decode(&v); err != nil {
return nil, fmt.Errorf("acme: invalid response: %v", err)
}
return &Account{
URI: res.Header.Get("Location"),
Status: v.Status,
Contact: v.Contact,
OrdersURL: v.Orders,
}, nil
}