add option to have external port

lnurlw/lnurlw_request.go

@@ -4,14 +4,15 @@ import (
 	"encoding/hex"
 	"encoding/json"
 	"errors"
-	"github.com/boltcard/boltcard/crypto"
-	"github.com/boltcard/boltcard/db"
-	"github.com/boltcard/boltcard/resp_err"
-	log "github.com/sirupsen/logrus"
 	"net/http"
 	"os"
 	"strconv"
 	"strings"
+
+	"github.com/boltcard/boltcard/crypto"
+	"github.com/boltcard/boltcard/db"
+	"github.com/boltcard/boltcard/resp_err"
+	log "github.com/sirupsen/logrus"
 )
 
 func get_p_c(req *http.Request, p_name string, c_name string) (p string, c string) {
@@ -246,6 +247,11 @@ func parse_request(req *http.Request) (int, error) {
 func Response(w http.ResponseWriter, req *http.Request) {
 
 	env_host_domain := db.Get_setting("HOST_DOMAIN")
+	hostdomainPort := db.Get_setting("HOST_DOMAIN_PORT")
+	hostdomainsuffix := ""
+	if hostdomainPort != "" {
+		hostdomainsuffix = ":" + hostdomainPort
+	}
 
 	if req.Host != env_host_domain {
 		log.Warn("wrong host domain")
@@ -280,10 +286,10 @@ func Response(w http.ResponseWriter, req *http.Request) {
 	}
 
 	lnurlw_cb_url := ""
-	if strings.HasSuffix(req.Host, ".onion") {
-		lnurlw_cb_url = "http://" + req.Host + "/cb"
+	if strings.HasSuffix(env_host_domain, ".onion") {
+		lnurlw_cb_url = "http://" + env_host_domain + hostdomainsuffix + "/cb"
 	} else {
-		lnurlw_cb_url = "https://" + req.Host + "/cb"
+		lnurlw_cb_url = "https://" + env_host_domain + hostdomainsuffix + "/cb"
 	}
 
 	min_withdraw_sats_str := db.Get_setting("MIN_WITHDRAW_SATS")