| package digest_auth_client |
| |
| import ( |
| "bytes" |
| "fmt" |
| "net/http" |
| "time" |
| ) |
| |
| type DigestRequest struct { |
| Body string |
| Method string |
| Password string |
| Uri string |
| Username string |
| Auth *authorization |
| Wa *wwwAuthenticate |
| } |
| |
| func NewRequest(username string, password string, method string, uri string, body string) DigestRequest { |
| |
| dr := DigestRequest{} |
| dr.UpdateRequest(username, password, method, uri, body) |
| return dr |
| } |
| |
| func (dr *DigestRequest) UpdateRequest(username string, |
| password string, method string, uri string, body string) *DigestRequest { |
| |
| dr.Body = body |
| dr.Method = method |
| dr.Password = password |
| dr.Uri = uri |
| dr.Username = username |
| return dr |
| } |
| |
| func (dr *DigestRequest) Execute() (resp *http.Response, err error) { |
| |
| if dr.Auth == nil { |
| var req *http.Request |
| if req, err = http.NewRequest(dr.Method, dr.Uri, bytes.NewReader([]byte(dr.Body))); err != nil { |
| return nil, err |
| } |
| |
| client := &http.Client{ |
| Timeout: 30 * time.Second, |
| } |
| resp, err = client.Do(req) |
| |
| if resp.StatusCode == 401 { |
| return dr.executeNewDigest(resp) |
| } |
| return |
| } |
| |
| return dr.executeExistingDigest() |
| } |
| |
| func (dr *DigestRequest) executeNewDigest(resp *http.Response) (*http.Response, error) { |
| var ( |
| auth *authorization |
| err error |
| wa *wwwAuthenticate |
| ) |
| |
| waString := resp.Header.Get("WWW-Authenticate") |
| if waString == "" { |
| return nil, fmt.Errorf("Failed to get WWW-Authenticate header, please check your server configuration.") |
| } |
| wa = newWwwAuthenticate(waString) |
| dr.Wa = wa |
| |
| if auth, err = newAuthorization(dr); err != nil { |
| return nil, err |
| } |
| authString := auth.toString() |
| |
| if resp, err := dr.executeRequest(authString); err != nil { |
| return nil, err |
| } else { |
| dr.Auth = auth |
| return resp, nil |
| } |
| } |
| |
| func (dr *DigestRequest) executeExistingDigest() (*http.Response, error) { |
| var ( |
| auth *authorization |
| err error |
| ) |
| |
| if auth, err = dr.Auth.refreshAuthorization(dr); err != nil { |
| return nil, err |
| } |
| dr.Auth = auth |
| |
| authString := dr.Auth.toString() |
| return dr.executeRequest(authString) |
| } |
| |
| func (dr *DigestRequest) executeRequest(authString string) (*http.Response, error) { |
| var ( |
| err error |
| req *http.Request |
| ) |
| |
| if req, err = http.NewRequest(dr.Method, dr.Uri, bytes.NewReader([]byte(dr.Body))); err != nil { |
| return nil, err |
| } |
| |
| // fmt.Printf("AUTHSTRING: %s\n\n", authString) |
| req.Header.Add("Authorization", authString) |
| |
| client := &http.Client{ |
| Timeout: 30 * time.Second, |
| } |
| |
| return client.Do(req) |
| } |