Completes the APi for session. Adds logout and GetCurrentUser

authentication.go

@@ -1,7 +1,9 @@
 package jira
 
 import (
+	"encoding/json"
 	"fmt"
+	"io/ioutil"
 	"net/http"
 )
 
@@ -54,9 +56,9 @@ func (s *AuthenticationService) AcquireSessionCookie(username, password string)
 	session := new(Session)
 	resp, err := s.client.Do(req, session)
 
-        if resp != nil {
-   	    session.Cookies = resp.Cookies()
-        }
+	if resp != nil {
+		session.Cookies = resp.Cookies()
+	}
 
 	if err != nil {
 		return false, fmt.Errorf("Auth at JIRA instance failed (HTTP(S) request). %s", err)
@@ -78,7 +80,76 @@ func (s *AuthenticationService) Authenticated() bool {
 	return false
 }
 
-// TODO Missing API Call GET (Returns information about the currently authenticated user's session)
-// See https://docs.atlassian.com/jira/REST/latest/#auth/1/session
-// TODO Missing API Call DELETE (Logs the current user out of JIRA, destroying the existing session, if any.)
-// See https://docs.atlassian.com/jira/REST/latest/#auth/1/session
+// Logout logs out the current user that has been authenticated and the session in the client is destroyed.
+//
+// JIRA API docs: https://docs.atlassian.com/jira/REST/latest/#auth/1/session
+func (s *AuthenticationService) Logout() error {
+	if s == nil {
+		return fmt.Errorf("Authenticaiton Service is not instantiated")
+	}
+	if s.client.session == nil {
+		return fmt.Errorf("No user is authenticated yet.")
+	}
+
+	apiEndpoint := "rest/auth/1/session"
+	req, err := s.client.NewRequest("DELETE", apiEndpoint, nil)
+	if err != nil {
+		return fmt.Errorf("Creating the request to log the user out failed : %s", err)
+	}
+	//var dump interface{}
+	resp, err := s.client.Do(req, nil)
+	if err != nil {
+		return fmt.Errorf("Error sending the logout request: %s", err)
+	}
+	if resp.StatusCode != 204 {
+		return fmt.Errorf("The logout was unsuccessful with status %d", resp.StatusCode)
+	}
+
+	// if logout successfull, delete session
+	s.client.session = nil
+
+	return nil
+
+}
+
+// GetCurrentUser gets the details of the current user.
+//
+// JIRA API docs: https://docs.atlassian.com/jira/REST/latest/#auth/1/session
+func (s *AuthenticationService) GetCurrentUser() (*Session, error) {
+	if s == nil {
+		return nil, fmt.Errorf("AUthenticaiton Service is not instantiated")
+	}
+	if s.client.session == nil {
+		return nil, fmt.Errorf("No user is authenticated yet")
+	}
+
+	apiEndpoint := "rest/auth/1/session"
+	req, err := s.client.NewRequest("GET", apiEndpoint, nil)
+	if err != nil {
+		return nil, fmt.Errorf("Could not create request for getting user info : %s", err)
+	}
+
+	resp, err := s.client.Do(req, nil)
+	if err != nil {
+		return nil, fmt.Errorf("Error sending request to get user info : %s", err)
+	}
+	if resp.StatusCode != 200 {
+		return nil, fmt.Errorf("Getting user info failed with status : %d", resp.StatusCode)
+	}
+
+	defer resp.Body.Close()
+	ret := new(Session)
+	data, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("Couldn't read body from the response : %s", err)
+	}
+
+	err = json.Unmarshal(data, &ret)
+
+	if err != nil {
+		return nil, fmt.Errorf("Could not unmarshall recieved user info : %s", err)
+	}
+
+	return ret, nil
+
+}