added openssl ctx for api calls

backend/WebUI/api_webui.go

 package WebUI
 
 import (
+	"bytes"
 	"crypto/rand"
 	"crypto/tls"
 	"encoding/json"
 	"fmt"
+	"net"
 	"net/http"
 	"os"
 	"path/filepath"
 	"reflect"
+	"runtime/debug"
 	"strconv"
 	"strings"
 	"time"
 
+	"github.com/pexip/go-openssl"
+
 	"github.com/gin-gonic/gin"
 	"github.com/golang-jwt/jwt"
 	"github.com/google/uuid"
@@ -45,13 +50,71 @@ const (
 var jwtKey = "" // for generating JWT
 
 var httpsClient *http.Client
+var innerOpenSSLClientCtx *openssl.Ctx
 
 func init() {
-	httpsClient = &http.Client{
-		Transport: &http.Transport{
-			TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+	//httpsClient = &http.Client{
+	//	Transport: &http.Transport{
+	//		TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+	//	},
+	//}
+	if CreateOpenSSLClientCtx("nrf") == nil {
+		logger.InitLog.Errorf("OpenSSL Context err: Issue creating Ctx in api_webgui.go")
+	}
+	if CreateOpenSSLInnerClientTransport() != nil {
+		logger.InitLog.Errorf("RestfulAPIDeleteOne err: Transport creation issue.")
+	}
+	var buf bytes.Buffer
+	buf.Write(debug.Stack())
+
+	// Capture the stack trace as a string
+	var trace = buf.String()
+	fmt.Println(trace)
+}
+
+func CreateOpenSSLInnerClientTransport() error {
+	// Custom dial function to use OpenSSL for TLS connections
+	dialTLS := func(network, addr string) (net.Conn, error) {
+		//cfg.tlsCtx.SetVerify(openssl.VerifyNone, nil)
+		conn, err := openssl.Dial(network, addr, innerOpenSSLClientCtx, openssl.InsecureSkipHostVerification)
+		if err != nil {
+			//fmt.Printf("Failed to establish TLS connection in CreateOpenSSLInnerClientTransport(): %v\n", err)
+			return nil, err
+		}
+		return conn, nil
+	}
+
+	// Create a custom transport using the custom dial function
+	tr := &http.Transport{
+		TLSClientConfig: &tls.Config{
+			InsecureSkipVerify: true, // Skip certificate verification,
 		},
+		TLSNextProto: make(map[string]func(authority string, c *tls.Conn) http.RoundTripper),
+		DialTLS:      dialTLS,
+	}
+
+	httpsClient = &http.Client{Transport: tr}
+
+	return nil
 }
+
+func CreateOpenSSLClientCtx(nf string) *openssl.Ctx {
+	var err error
+	var opensslContext *openssl.Ctx
+
+	opensslContext, err = openssl.NewCtxFromFiles("cert/"+nf+".pem", "cert/"+nf+".key")
+	if err != nil {
+		return nil
+	}
+
+	opensslContext.SetVerify(openssl.VerifyNone, nil)
+	return opensslContext
+	//cfg.SetOpenSSLCtx(opensslContext)
+
+	//if err := opensslContext.SetNextProtos([]string{"h2"}); err != nil {
+	//	fmt.Println("Failed to set Next Protos (ALPN)")
+	//	return nil
+	//}
 }
 
 // Create Admin's Tenant & Account
@@ -1394,7 +1457,9 @@ func sendRechargeNotification(ueId string, rg int32) {
 	}()
 	req.Header.Add("Content-Type", "application/json")
 
-	resp, err1 := http.DefaultClient.Do(req)
+	//resp, err1 := http.DefaultClient.Do(req)
+	resp, err1 := httpsClient.Do(req)
+
 	if err != nil {
 		logger.ProcLog.Errorf("Send Charging Notification err: %+v", err1)
 	}

go.mod

@@ -13,6 +13,7 @@ require (
 	github.com/golang-jwt/jwt v3.2.1+incompatible
 	github.com/google/uuid v1.3.0
 	github.com/jlaffaye/ftp v0.1.0
+	github.com/pexip/go-openssl v0.2.6
 	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.9.0
 	github.com/urfave/cli v1.22.5
@@ -56,6 +57,7 @@ require (
 	github.com/kr/fs v0.1.0 // indirect
 	github.com/leodido/go-urn v1.2.4 // indirect
 	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/mattn/go-pointer v0.0.1 // indirect
 	github.com/mitchellh/mapstructure v1.4.2 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
@@ -102,6 +104,6 @@ require (
 	github.com/go-logfmt/logfmt v0.6.0 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/spf13/afero v1.9.5 // indirect
-	golang.org/x/oauth2 v0.8.0 // indirect
+	golang.org/x/oauth2 v0.8.0
 	google.golang.org/api v0.122.0 // indirect
 )

go.sum

@@ -389,6 +389,8 @@ github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Ky
 github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
 github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
 github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-pointer v0.0.1 h1:n+XhsuGeVO6MEAp7xyEukFINEa+Quek5psIR/ylA6o0=
+github.com/mattn/go-pointer v0.0.1/go.mod h1:2zXcozF6qYGgmsG+SeTZz3oAbFLdD3OWqnUbNvJZAlc=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
 github.com/miekg/dns v1.1.26/go.mod h1:bPDLeHnStXmXAq1m/Ch/hvfNHr14JKNPMBo3VZKjuso=
@@ -431,6 +433,8 @@ github.com/pelletier/go-toml/v2 v2.0.1/go.mod h1:r9LEWfGN8R5k0VXJ+0BkIe7MYkRdwZO
 github.com/pelletier/go-toml/v2 v2.0.8 h1:0ctb6s9mE31h0/lhu+J6OPmVeDxJn+kYnJc2jZR9tGQ=
 github.com/pelletier/go-toml/v2 v2.0.8/go.mod h1:vuYfssBdrU2XDZ9bYydBu6t+6a6PYNcZljzZR9VXg+4=
 github.com/performancecopilot/speed v3.0.0+incompatible/go.mod h1:/CLtqpZ5gBg1M9iaPbIdPPGyKcA8hKdoy6hAWba7Yac=
+github.com/pexip/go-openssl v0.2.6 h1:6UXTphhY/gl9X46oU/NEvHxD2E1BvRpKIbqhKQSYUEI=
+github.com/pexip/go-openssl v0.2.6/go.mod h1:xklrDkkB/fAl65ga/3V9x8DZEnR7tKijNS/DURrpB+A=
 github.com/pierrec/lz4 v1.0.2-0.20190131084431-473cd7ce01a1/go.mod h1:3/3N9NVKO0jef7pBehbT1qWhCMrIgbYNnFAZCqQ5LRc=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=