Worked on Ensuring that Log.Fatal is removed completetly as it closes…

… the applicaiton unexpectedly

desktop_client.go

@@ -33,7 +33,8 @@ func (d *DesktopClient) DoAuth() error {
 	requestToken, u, err := d.OAuthConsumer.GetRequestTokenAndUrl("oob")
 	fmt.Println("rest token=", requestToken, " err=", err)
 	if err != nil {
-		log.Fatal(err)
+		log.Println(err)
+		return err
 	}
 
 	fmt.Println("(1) Go to: " + u)
@@ -45,12 +46,14 @@ func (d *DesktopClient) DoAuth() error {
 
 	accessToken, err := d.OAuthConsumer.AuthorizeToken(requestToken, verificationCode)
 	if err != nil {
-		log.Fatal(err)
+		log.Println(err)
+		return err
 	}
 
 	d.HttpConn, err = d.OAuthConsumer.MakeHttpClient(accessToken)
 	if err != nil {
-		log.Fatal(err)
+		log.Println(err)
+		return err
 	}
 
 	return err

go.mod

@@ -0,0 +1,5 @@
+module twitter
+
+go 1.18
+
+require github.com/mrjones/oauth v0.0.0-20190623134757-126b35219450

go.sum

@@ -0,0 +1,2 @@
+github.com/mrjones/oauth v0.0.0-20190623134757-126b35219450 h1:j2kD3MT1z4PXCiUllUJF9mWUESr9TWKS7iEKsQ/IipM=
+github.com/mrjones/oauth v0.0.0-20190623134757-126b35219450/go.mod h1:skjdDftzkFALcuGzYSklqYd8gvat6F1gZJ4YPVbkZpM=

server_client.go

@@ -35,26 +35,29 @@ type ServerClient struct {
 	OAuthTokens   map[string]*oauth.RequestToken
 }
 
-func (s *ServerClient) GetAuthURL(tokenUrl string) string {
+func (s *ServerClient) GetAuthURL(tokenUrl string) (string, error) {
 	token, requestUrl, err := s.OAuthConsumer.GetRequestTokenAndUrl(tokenUrl)
 
 	if err != nil {
-		log.Fatal(err)
+		log.Println(err)
+		return "", nil
 	}
 	// Make sure to save the token, we'll need it for AuthorizeToken()
 	s.OAuthTokens[token.Token] = token
-	return requestUrl
+	return requestUrl, nil
 }
 
 func (s *ServerClient) CompleteAuth(tokenKey, verificationCode string) error {
 	accessToken, err := s.OAuthConsumer.AuthorizeToken(s.OAuthTokens[tokenKey], verificationCode)
 	if err != nil {
-		log.Fatal(err)
+		log.Println(err)
+		return err
 	}
 
 	s.HttpConn, err = s.OAuthConsumer.MakeHttpClient(accessToken)
 	if err != nil {
-		log.Fatal(err)
+		log.Println(err)
+		return err
 	}
 	return nil
 }