115 lines
2.7 KiB
Go
115 lines
2.7 KiB
Go
package internal
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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"strings"
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"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
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)
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type token string
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const tokenKey token = "token"
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// login Logs in as API user.
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// Authenticates and receives a token to be used in for subsequent requests.
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// https://docs.bluecatnetworks.com/r/Address-Manager-Legacy-v1-API-Guide/GET/v1/login/9.5.0
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func (c *Client) login(ctx context.Context) (string, error) {
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endpoint := c.createEndpoint("login")
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q := endpoint.Query()
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q.Set("username", c.username)
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q.Set("password", c.password)
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endpoint.RawQuery = q.Encode()
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req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
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if err != nil {
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return "", err
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}
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resp, err := c.HTTPClient.Do(req)
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if err != nil {
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return "", errutils.NewHTTPDoError(req, err)
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}
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defer func() { _ = resp.Body.Close() }()
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if resp.StatusCode != http.StatusOK {
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return "", errutils.NewUnexpectedResponseStatusCodeError(req, resp)
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}
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raw, err := io.ReadAll(resp.Body)
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if err != nil {
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return "", errutils.NewReadResponseError(req, resp.StatusCode, err)
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}
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authResp := string(raw)
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if strings.Contains(authResp, "Authentication Error") {
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return "", fmt.Errorf("request failed: %s", strings.Trim(authResp, `"`))
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}
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// Upon success, API responds with "Session Token-> BAMAuthToken: dQfuRMTUxNjc3MjcyNDg1ODppcGFybXM= <- for User : username"
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tok := c.tokenExp.FindString(authResp)
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return tok, nil
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}
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// Logout Logs out of the current API session.
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// https://docs.bluecatnetworks.com/r/Address-Manager-Legacy-v1-API-Guide/GET/v1/logout/9.5.0
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func (c *Client) Logout(ctx context.Context) error {
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if getToken(ctx) == "" {
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// nothing to do
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return nil
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}
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endpoint := c.createEndpoint("logout")
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req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
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if err != nil {
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return err
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}
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resp, err := c.doAuthenticated(ctx, req)
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if err != nil {
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return errutils.NewHTTPDoError(req, err)
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}
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defer func() { _ = resp.Body.Close() }()
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if resp.StatusCode != http.StatusOK {
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return errutils.NewUnexpectedResponseStatusCodeError(req, resp)
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}
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raw, err := io.ReadAll(resp.Body)
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if err != nil {
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return errutils.NewReadResponseError(req, resp.StatusCode, err)
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}
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authResp := string(raw)
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if !strings.Contains(authResp, "successfully") {
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return fmt.Errorf("request failed to delete session: %s", strings.Trim(authResp, `"`))
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}
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return nil
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}
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func (c *Client) CreateAuthenticatedContext(ctx context.Context) (context.Context, error) {
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tok, err := c.login(ctx)
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if err != nil {
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return nil, err
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}
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return context.WithValue(ctx, tokenKey, tok), nil
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}
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func getToken(ctx context.Context) string {
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tok, ok := ctx.Value(tokenKey).(string)
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if !ok {
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return ""
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}
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return tok
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}
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