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lego/providers/dns/allinkl/internal/identity.go
2023-05-05 09:49:38 +02:00

105 lines
2.4 KiB
Go

package internal
import (
"bytes"
"context"
"encoding/json"
"fmt"
"net/http"
"strings"
"time"
"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
)
// authEndpoint represents the Identity API endpoint to call.
const authEndpoint = "https://kasapi.kasserver.com/soap/KasAuth.php"
type token string
const tokenKey token = "token"
// Identifier generates credential tokens.
type Identifier struct {
login string
password string
authEndpoint string
HTTPClient *http.Client
}
// NewIdentifier creates a new Identifier.
func NewIdentifier(login string, password string) *Identifier {
return &Identifier{
login: login,
password: password,
authEndpoint: authEndpoint,
HTTPClient: &http.Client{Timeout: 10 * time.Second},
}
}
// Authentication Creates a credential token.
// - sessionLifetime: Validity of the token in seconds.
// - sessionUpdateLifetime: with `true` the session is extended with every request.
func (c *Identifier) Authentication(ctx context.Context, sessionLifetime int, sessionUpdateLifetime bool) (string, error) {
sul := "N"
if sessionUpdateLifetime {
sul = "Y"
}
ar := AuthRequest{
Login: c.login,
AuthData: c.password,
AuthType: "plain",
SessionLifetime: sessionLifetime,
SessionUpdateLifetime: sul,
}
body, err := json.Marshal(ar)
if err != nil {
return "", fmt.Errorf("failed to create request JSON body: %w", err)
}
payload := []byte(strings.TrimSpace(fmt.Sprintf(kasAuthEnvelope, body)))
req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.authEndpoint, bytes.NewReader(payload))
if err != nil {
return "", fmt.Errorf("unable to create request: %w", err)
}
resp, err := c.HTTPClient.Do(req)
if err != nil {
return "", errutils.NewHTTPDoError(req, err)
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode != http.StatusOK {
return "", errutils.NewUnexpectedResponseStatusCodeError(req, resp)
}
envlp, err := decodeXML[KasAuthEnvelope](resp.Body)
if err != nil {
return "", err
}
if envlp.Body.Fault != nil {
return "", envlp.Body.Fault
}
return envlp.Body.KasAuthResponse.Return.Text, nil
}
func WithContext(ctx context.Context, credential string) context.Context {
return context.WithValue(ctx, tokenKey, credential)
}
func getToken(ctx context.Context) string {
credential, ok := ctx.Value(tokenKey).(string)
if !ok {
return ""
}
return credential
}