Added basic auth support to the library

README.md

@@ -70,9 +70,41 @@ func main() {
 }
 ```
 
-### Authenticate with session cookie
+### Authenticate with jira
 
 Some actions require an authenticated user.
+
+#### Authenticate with basic auth
+
+Here is an example with a basic auth authentification.
+
+```go
+package main
+
+import (
+	"fmt"
+	"github.com/andygrunwald/go-jira"
+)
+
+func main() {
+	jiraClient, err := jira.NewClient(nil, "https://your.jira-instance.com/")
+	if err != nil {
+		panic(err)
+	}
+	jiraClient.Authentication.SetBasicAuth("username", "password")
+
+	issue, _, err := jiraClient.Issue.Get("SYS-5156", nil)
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Printf("%s: %+v\n", issue.Key, issue.Fields.Summary)
+}
+```
+
+
+#### Authenticate with session cookie
+
 Here is an example with a session cookie authentification.
 
 ```go

authentication.go

@@ -7,11 +7,27 @@ import (
 	"net/http"
 )
 
+const (
+	// HTTP Basic Authentication
+	authTypeBasic = 1
+	// HTTP Session Authentication
+	authTypeSession = 2
+)
+
 // AuthenticationService handles authentication for the JIRA instance / API.
 //
 // JIRA API docs: https://docs.atlassian.com/jira/REST/latest/#authentication
 type AuthenticationService struct {
 	client *Client
+
+	// Authentication type
+	authType int
+
+	// Basic auth username
+	username string
+
+	// Basic auth password
+	password string
 }
 
 // Session represents a Session JSON response by the JIRA API.
@@ -68,14 +84,26 @@ func (s *AuthenticationService) AcquireSessionCookie(username, password string)
 	}
 
 	s.client.session = session
+	s.authType = authTypeSession
 
 	return true, nil
 }
 
-// Authenticated reports if the current Client has an authenticated session with JIRA
+func (s *AuthenticationService) SetBasicAuth(username, password string) {
+	s.username = username;
+	s.password = password;
+	s.authType = authTypeBasic;
+}
+
+// Authenticated reports if the current Client has authentication details for JIRA
 func (s *AuthenticationService) Authenticated() bool {
 	if s != nil {
+		if s.authType == authTypeSession {
 			return s.client.session != nil
+		} else if s.authType == authTypeBasic {
+			return s.username != ""
+		}
+
 	}
 	return false
 }
@@ -84,7 +112,7 @@ func (s *AuthenticationService) Authenticated() bool {
 //
 // JIRA API docs: https://docs.atlassian.com/jira/REST/latest/#auth/1/session
 func (s *AuthenticationService) Logout() error {
-	if s.client.session == nil {
+	if s.authType != authTypeSession || s.client.session == nil {
 		return fmt.Errorf("No user is authenticated yet.")
 	}
 
@@ -116,7 +144,7 @@ func (s *AuthenticationService) GetCurrentUser() (*Session, error) {
 	if s == nil {
 		return nil, fmt.Errorf("AUthenticaiton Service is not instantiated")
 	}
-	if s.client.session == nil {
+	if s.authType != authTypeSession || s.client.session == nil {
 		return nil, fmt.Errorf("No user is authenticated yet")
 	}
 

jira.go

@@ -84,12 +84,20 @@ func (c *Client) NewRawRequest(method, urlStr string, body io.Reader) (*http.Req
 
 	req.Header.Set("Content-Type", "application/json")
 
+	// Set authentication information
+	if c.Authentication.authType == authTypeSession {
 		// Set session cookie if there is one
 		if c.session != nil {
 			for _, cookie := range c.session.Cookies {
 				req.AddCookie(cookie)
 			}
 		}
+	} else if c.Authentication.authType == authTypeBasic {
+		// Set basic auth information
+		if c.Authentication.username != "" {
+			req.SetBasicAuth(c.Authentication.username, c.Authentication.password)
+		}
+	}
 
 	return req, nil
 }
@@ -122,12 +130,20 @@ func (c *Client) NewRequest(method, urlStr string, body interface{}) (*http.Requ
 
 	req.Header.Set("Content-Type", "application/json")
 
+	// Set authentication information
+	if c.Authentication.authType == authTypeSession {
 		// Set session cookie if there is one
 		if c.session != nil {
 			for _, cookie := range c.session.Cookies {
 				req.AddCookie(cookie)
 			}
 		}
+	} else if c.Authentication.authType == authTypeBasic {
+		// Set basic auth information
+		if c.Authentication.username != "" {
+			req.SetBasicAuth(c.Authentication.username, c.Authentication.password)
+		}
+	}
 
 	return req, nil
 }
@@ -174,12 +190,20 @@ func (c *Client) NewMultiPartRequest(method, urlStr string, buf *bytes.Buffer) (
 	// Set required headers
 	req.Header.Set("X-Atlassian-Token", "nocheck")
 
+	// Set authentication information
+	if c.Authentication.authType == authTypeSession {
 		// Set session cookie if there is one
 		if c.session != nil {
 			for _, cookie := range c.session.Cookies {
 				req.AddCookie(cookie)
 			}
 		}
+	} else if c.Authentication.authType == authTypeBasic {
+		// Set basic auth information
+		if c.Authentication.username != "" {
+			req.SetBasicAuth(c.Authentication.username, c.Authentication.password)
+		}
+	}
 
 	return req, nil
 }