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Use postJSON and getJSON wherever possible.

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Encapsulates JSON marshalling.
This commit is contained in:
Tommie Gannert 2015-12-05 15:59:15 +00:00
parent 2dc2fdd1af
commit 039b7c50dc
1 changed files with 25 additions and 87 deletions
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112
acme/client.go
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@ -68,16 +68,9 @@ func NewClient(caDirURL string, user User, keyBits int, optPort string) (*Client
return nil, fmt.Errorf("invalid private key: %v", err)
}
dirResp, err := http.Get(caDirURL)
if err != nil {
return nil, fmt.Errorf("get directory at '%s': %v", caDirURL, err)
}
defer dirResp.Body.Close()
var dir directory
err = json.NewDecoder(dirResp.Body).Decode(&dir)
if err != nil {
return nil, fmt.Errorf("decode directory: %v", err)
if err := getJSON(caDirURL, &dir); err != nil {
return nil, fmt.Errorf("get directory at '%s': %v", caDirURL, err)
}
if dir.NewRegURL == "" {
@ -121,32 +114,16 @@ func (c *Client) Register() (*RegistrationResource, error) {
regMsg.Contact = []string{}
}
jsonBytes, err := json.Marshal(regMsg)
if err != nil {
return nil, err
}
resp, err := c.jws.post(c.directory.NewRegURL, jsonBytes)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode >= http.StatusBadRequest {
return nil, handleHTTPError(resp)
}
var serverReg Registration
decoder := json.NewDecoder(resp.Body)
err = decoder.Decode(&serverReg)
hdr, err := postJSON(c.jws, c.directory.NewRegURL, regMsg, &serverReg)
if err != nil {
return nil, err
}
reg := &RegistrationResource{Body: serverReg}
links := parseLinks(resp.Header["Link"])
reg.URI = resp.Header.Get("Location")
links := parseLinks(hdr["Link"])
reg.URI = hdr.Get("Location")
if links["terms-of-service"] != "" {
reg.TosURL = links["terms-of-service"]
}
@ -165,22 +142,8 @@ func (c *Client) Register() (*RegistrationResource, error) {
func (c *Client) AgreeToTOS() error {
c.user.GetRegistration().Body.Agreement = c.user.GetRegistration().TosURL
c.user.GetRegistration().Body.Resource = "reg"
jsonBytes, err := json.Marshal(&c.user.GetRegistration().Body)
if err != nil {
return err
}
resp, err := c.jws.post(c.user.GetRegistration().URI, jsonBytes)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusAccepted {
return handleHTTPError(resp)
}
return nil
_, err := postJSON(c.jws, c.user.GetRegistration().URI, c.user.GetRegistration().Body, nil)
return err
}
// ObtainCertificates tries to obtain certificates from the CA server
@ -277,22 +240,8 @@ func (c *Client) RevokeCertificate(certificate []byte) error {
encodedCert := base64.URLEncoding.EncodeToString(x509Cert.Raw)
jsonBytes, err := json.Marshal(revokeCertMessage{Resource: "revoke-cert", Certificate: encodedCert})
if err != nil {
return err
}
resp, err := c.jws.post(c.directory.RevokeCertURL, jsonBytes)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return handleHTTPError(resp)
}
return nil
_, err = postJSON(c.jws, c.directory.RevokeCertURL, revokeCertMessage{Resource: "revoke-cert", Certificate: encodedCert}, nil)
return err
}
// RenewCertificate takes a CertificateResource and tries to renew the certificate.
@ -428,37 +377,21 @@ func (c *Client) getChallenges(domains []string) ([]authorizationResource, map[s
for _, domain := range domains {
go func(domain string) {
jsonBytes, err := json.Marshal(authorization{Resource: "new-authz", Identifier: identifier{Type: "dns", Value: domain}})
authMsg := authorization{Resource: "new-authz", Identifier: identifier{Type: "dns", Value: domain}}
var authz authorization
hdr, err := postJSON(c.jws, c.user.GetRegistration().NewAuthzURL, authMsg, &authz)
if err != nil {
errc <- domainError{Domain: domain, Error: err}
return
}
resp, err := c.jws.post(c.user.GetRegistration().NewAuthzURL, jsonBytes)
if err != nil {
errc <- domainError{Domain: domain, Error: err}
return
}
if resp.StatusCode != http.StatusCreated {
errc <- domainError{Domain: domain, Error: handleHTTPError(resp)}
}
links := parseLinks(resp.Header["Link"])
links := parseLinks(hdr["Link"])
if links["next"] == "" {
logf("[ERROR] acme: Server did not provide next link to proceed")
return
}
var authz authorization
decoder := json.NewDecoder(resp.Body)
err = decoder.Decode(&authz)
if err != nil {
errc <- domainError{Domain: domain, Error: err}
}
resp.Body.Close()
resc <- authorizationResource{Body: authz, NewCertURL: links["next"], AuthURL: resp.Header.Get("Location"), Domain: domain}
resc <- authorizationResource{Body: authz, NewCertURL: links["next"], AuthURL: hdr.Get("Location"), Domain: domain}
}(domain)
}
@ -681,7 +614,8 @@ var (
func validate(j *jws, uri string, chlng challenge) error {
var challengeResponse challenge
if err := postJSON(j, uri, chlng, &challengeResponse); err != nil {
_, err := postJSON(j, uri, chlng, &challengeResponse)
if err != nil {
return err
}
@ -735,21 +669,25 @@ func getJSON(uri string, respBody interface{}) error {
// postJSON performs an HTTP POST request and parses the response body
// as JSON, into the provided respBody object.
func postJSON(j *jws, uri string, reqBody, respBody interface{}) error {
func postJSON(j *jws, uri string, reqBody, respBody interface{}) (http.Header, error) {
jsonBytes, err := json.Marshal(reqBody)
if err != nil {
return errors.New("Failed to marshal network message...")
return nil, errors.New("Failed to marshal network message...")
}
resp, err := j.post(uri, jsonBytes)
if err != nil {
return fmt.Errorf("Failed to post JWS message. -> %v", err)
return nil, fmt.Errorf("Failed to post JWS message. -> %v", err)
}
defer resp.Body.Close()
if resp.StatusCode >= http.StatusBadRequest {
return handleHTTPError(resp)
return resp.Header, handleHTTPError(resp)
}
return json.NewDecoder(resp.Body).Decode(respBody)
if respBody == nil {
return resp.Header, nil
}
return resp.Header, json.NewDecoder(resp.Body).Decode(respBody)
}