/
dns.go
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/
dns.go
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// Copyright (c) 2013, Aaron France
// All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Aaron France nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package hpcloud
import (
"encoding/json"
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"strings"
)
type Domain struct {
ID string `json:"id"`
Name string `json:"name"`
TTL int64 `json:"ttl"`
Serial int64 `json:"serial"`
Email string `json:"email"`
CreateAt string `json:"created_at"`
UpdatedAt *string `json:"updated_at"`
Data string `json:"data"`
}
/* Record and Domain have the same fields. */
type Record Domain
type DNSError struct {
Path string `json:"path"`
Message string `json:"message"`
Validator string `json:"validator"`
}
type DNSErrorResponse struct {
Message string `json:"message"`
Code int `json:"code"`
Type string `json:"type"`
Errors []DNSError `json:"errors"`
}
func (a Access) CreateDomain(name, email string, ttl int64) (*Domain, error) {
type BaseDNSRequest struct {
Name string `json:"name"`
TTL int64 `json:"ttl"`
Email string `json:"email"`
}
d := &BaseDNSRequest{
Name: name,
Email: email,
TTL: ttl,
}
jsonbody, err := json.Marshal(d)
if err != nil {
return nil, err
}
body, err := a.baseDNSRequest(
fmt.Sprintf("%sdomains", DNS_URL),
"POST",
strings.NewReader(string(jsonbody)),
)
if err != nil {
return nil, err
}
d2 := &Domain{}
err = json.Unmarshal(body, d2)
return d2, err
}
func (a Access) DeleteDomain(domain Domain) error {
_, err := a.baseDNSRequest(
fmt.Sprintf("%sdomains/%s", DNS_URL, domain.ID),
"DELETE",
nil,
)
if err != nil {
return err
}
return nil
}
func (a Access) ListDomains() ([]Domain, error) {
type Domains struct {
D []Domain `json:"domains"`
}
d := &Domains{}
body, err := a.baseDNSRequest(
fmt.Sprintf("%sdomains", DNS_URL),
"GET",
nil,
)
if err != nil {
return nil, err
}
err = json.Unmarshal(body, &d)
return d.D, err
}
func (a Access) CreateRecord(domain Domain, t, data string) (*Record, error) {
type DNSRecordRequest struct {
Name string `json:"name"`
Type string `json:"type"`
Data string `json:"data"`
}
drr := &DNSRecordRequest{
Name: domain.Name,
Type: t,
Data: data,
}
jsonbody, err := json.Marshal(drr)
if err != nil {
return nil, err
}
body, err := a.baseDNSRequest(
fmt.Sprintf("%sdomains/%s/records", DNS_URL, domain.ID),
"POST",
strings.NewReader(string(jsonbody)),
)
if err != nil {
return nil, err
}
r := &Record{}
err = json.Unmarshal(body, r)
if err != nil {
return nil, err
}
return r, nil
}
func (a Access) baseDNSRequest(url, method string, b io.Reader) ([]byte, error) {
req, err := http.NewRequest(method, url, b)
if err != nil {
return nil, err
}
if a.Authenticated {
req.Header.Add("X-Auth-Token", a.AuthToken())
}
req.Header.Add("Content-type", "application/json")
req.Header.Add("Accept", "application/json")
resp, err := a.Client.Do(req)
if err != nil {
return nil, err
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
switch resp.StatusCode {
case
http.StatusNoContent,
http.StatusAccepted,
http.StatusNonAuthoritativeInfo,
http.StatusOK:
return body, nil
case http.StatusNotFound:
nf := &NotFound{}
err = json.Unmarshal(body, nf)
if err != nil {
return nil, err
}
return nil, errors.New(nf.Message())
case
http.StatusBadRequest,
http.StatusConflict:
br := &DNSErrorResponse{}
err = json.Unmarshal(body, br)
if err != nil {
return nil, err
}
return nil, errors.New(br.Message)
case http.StatusUnauthorized:
u := &Unauthorized{}
err = json.Unmarshal(body, &u)
if err != nil {
return nil, err
}
return nil, errors.New(u.Message())
case http.StatusForbidden:
f := &Forbidden{}
err = json.Unmarshal(body, &f)
if err != nil {
return nil, err
}
return nil, errors.New(f.Message())
case http.StatusInternalServerError:
ise := &InternalServerError{}
err = json.Unmarshal(body, &ise)
if err != nil {
return nil, err
}
return nil, errors.New(ise.Message())
default:
panic(fmt.Sprintf("Unhandled response type: %d", resp.StatusCode))
}
panic("Unreachable!")
}