terraform/vendor/github.com/pearkes/cloudflare/api.go

120 lines
2.5 KiB
Go

package cloudflare
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"os"
"github.com/hashicorp/go-cleanhttp"
)
// Client provides a client to the CloudflAre API
type Client struct {
// Access Token
Token string
// User Email
Email string
// URL to the DO API to use
URL string
// HttpClient is the client to use. Default will be
// used if not provided.
Http *http.Client
}
// NewClient returns a new cloudflare client,
// requires an authorization token. You can generate
// an OAuth token by visiting the Apps & API section
// of the CloudflAre control panel for your account.
func NewClient(email string, token string) (*Client, error) {
// If it exists, grab teh token from the environment
if token == "" {
token = os.Getenv("CLOUDFLARE_TOKEN")
}
if email == "" {
email = os.Getenv("CLOUDFLARE_EMAIL")
}
client := Client{
Token: token,
Email: email,
URL: "https://www.cloudflare.com/api_json.html",
Http: cleanhttp.DefaultClient(),
}
return &client, nil
}
// Creates a new request with the params
func (c *Client) NewRequest(params map[string]string, method string, action string) (*http.Request, error) {
p := url.Values{}
u, err := url.Parse(c.URL)
if err != nil {
return nil, fmt.Errorf("Error parsing base URL: %s", err)
}
// Build up our request parameters
for k, v := range params {
p.Add(k, v)
}
// Add authentication details
p.Add("tkn", c.Token)
p.Add("email", c.Email)
// The "action" to take against the API
p.Add("a", action)
// Add the params to our URL
u.RawQuery = p.Encode()
// Build the request
req, err := http.NewRequest(method, u.String(), nil)
if err != nil {
return nil, fmt.Errorf("Error creating request: %s", err)
}
return req, nil
}
// decodeBody is used to JSON decode a body
func decodeBody(resp *http.Response, out interface{}) error {
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
if err = json.Unmarshal(body, &out); err != nil {
return err
}
return nil
}
// checkResp wraps http.Client.Do() and verifies that the
// request was successful. A non-200 request returns an error
// formatted to included any validation problems or otherwise
func checkResp(resp *http.Response, err error) (*http.Response, error) {
// If the err is already there, there was an error higher
// up the chain, so just return that
if err != nil {
return resp, err
}
switch i := resp.StatusCode; {
case i == 200:
return resp, nil
default:
return nil, fmt.Errorf("API Error: %s", resp.Status)
}
}