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package dnsimple
import (
"encoding/base64"
"fmt"
)
const (
httpHeaderDomainToken = "X-DNSimple-Domain-Token"
httpHeaderApiToken = "X-DNSimple-Token"
httpHeaderAuthorization = "Authorization"
)
// Provides credentials that can be used for authenticating with DNSimple
//
// More information on credentials may be found here:
// http://developer.dnsimple.com/v2/#authentication
type Credentials interface {
// Get the HTTP header key and value to use for authentication.
HttpHeader() (string, string)
}
// Domain token authentication
type domainTokenCredentials struct {
domainToken string
}
// Construct Credentials using the DNSimple Domain Token method
func NewDomainTokenCredentials(domainToken string) Credentials {
return &domainTokenCredentials{domainToken: domainToken}
}
func (c *domainTokenCredentials) HttpHeader() (string, string) {
return httpHeaderDomainToken, c.domainToken
}
// HTTP basic authentication
type httpBasicCredentials struct {
email string
password string
}
// Construct Credentials using HTTP Basic Auth
func NewHttpBasicCredentials(email, password string) Credentials {
return &httpBasicCredentials{email, password}
}
func (c *httpBasicCredentials) HttpHeader() (string, string) {
return httpHeaderAuthorization, "Basic " + basicAuth(c.email, c.password)
}
func basicAuth(username, password string) string {
auth := username + ":" + password
return base64.StdEncoding.EncodeToString([]byte(auth))
}
// API token authentication
type apiTokenCredentials struct {
email string
apiToken string
}
// Construct Credentials using the API Token method.
func NewApiTokenCredentials(email, apiToken string) Credentials {
return &apiTokenCredentials{email: email, apiToken: apiToken}
}
func (c *apiTokenCredentials) HttpHeader() (string, string) {
return httpHeaderApiToken, fmt.Sprintf("%v:%v", c.email, c.apiToken)
}
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