From 9095638867f7d37f7aefab5745f574451106932f Mon Sep 17 00:00:00 2001
From: "nedim.uka" <duplingnedim@gmail.com>
Date: Wed, 15 Sep 2021 20:11:55 +0200
Subject: [PATCH] Loaded credentials from input json file

---
 .gitignore               |  3 ++-
 services/xmppsService.go | 46 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 600d2d3..fe4152d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-.vscode
\ No newline at end of file
+.vscode
+input.json
\ No newline at end of file
diff --git a/services/xmppsService.go b/services/xmppsService.go
index 572a8dc..9086a52 100644
--- a/services/xmppsService.go
+++ b/services/xmppsService.go
@@ -2,7 +2,9 @@ package services
 
 import (
 	"crypto/tls"
+	"encoding/json"
 	"fmt"
+	"io/ioutil"
 	"log"
 	"os"
 	"time"
@@ -51,6 +53,15 @@ type XMPPClient struct {
 	Client *xmpp.Client
 }
 
+// ClientCredentials - credentials info for client configuration
+type ClientCredentials struct {
+	Jid        string `json:"username"`
+	Credential string `json:"password"`
+	Host       string `json:"host"`
+	Port       int    `json:"port"`
+	Ping       int    `json:"ping"`
+}
+
 // Instance - get instance of xmpp service
 func Instance() *XMPPService {
 	return &xmppService
@@ -66,6 +77,15 @@ func Init() {
 	}
 	xmppService.Router.HandleFunc("message", handleMessage)
 
+	//Get Client credentials from file
+	clientCredentials, err := getClientConfigsFromFile(appConfig.AppConfig.Credentials.CredentialsFileLocation)
+
+	if err != nil {
+		log.Fatalf("Unable to load credentials from file path %v, ERROR : %v TERMINATING", appConfig.AppConfig.Credentials.CredentialsFileLocation, err)
+	}
+
+	log.Printf("Client credentials length %v", len(clientCredentials))
+
 	xmppService.XMPPClients = make([]XMPPClient, 0)
 	xmppClient := XMPPClient{
 		Config: xmpp.Config{
@@ -115,6 +135,32 @@ func SendOnlinePresenceStanza(client *xmpp.Client, jid string) error {
 	}
 }
 
+func getClientConfigsFromFile(filePath string) ([]ClientCredentials, error) {
+
+	var clientCredentials []ClientCredentials
+
+	f, err := os.Open(filePath)
+	if err != nil {
+		return clientCredentials, err
+	}
+	defer f.Close()
+
+	byteValue, err := ioutil.ReadAll(f)
+
+	if err != nil {
+		return clientCredentials, err
+	}
+
+	err = json.Unmarshal(byteValue, &clientCredentials)
+
+	if err != nil {
+		return clientCredentials, err
+	}
+
+	return clientCredentials, nil
+
+}
+
 func handleMessage(s xmpp.Sender, p stanza.Packet) {
 	log.Printf("Handle  message")
 	msg, ok := p.(stanza.Message)