fix: SMTP and HTTP auth

Author: ItsNotGoodName

internal/models/auth.go

@@ -1,5 +1,7 @@
 package models
 
+import "strings"
+
 type Auth struct {
 	Anonymous bool
 	Username  string
@@ -18,3 +20,7 @@ func NewAuth(username, password string) Auth {
 		Password:  password,
 	}
 }
+
+func (a Auth) Check(username, password string) bool {
+	return strings.ToLower(username) == strings.ToLower(a.Username) && password == a.Password
+}

internal/procs/auth.go

@@ -2,7 +2,6 @@ package procs
 
 import (
 	"fmt"
-	"strings"
 
 	"github.com/ItsNotGoodName/smtpbridge/internal/core"
 )
@@ -14,33 +13,17 @@ func AuthHTTPAnonymous(cc core.Context) bool {
 }
 
 func AuthHTTPLogin(cc core.Context, username, password string) error {
-	if AuthHTTPAnonymous(cc) {
+	if cc.Config.AuthHTTP.Anonymous || cc.Config.AuthHTTP.Check(username, password) {
 		return nil
 	}
 
-	if strings.ToLower(username) != cc.Config.AuthHTTP.Username {
-		return ErrorLogin
-	}
-
-	if strings.ToLower(password) != cc.Config.AuthHTTP.Password {
-		return ErrorLogin
-	}
-
-	return nil
+	return ErrorLogin
 }
 
 func AuthSMTPLogin(cc core.Context, username, password string) error {
-	if cc.Config.AuthSMTP.Username == "" && cc.Config.AuthSMTP.Password == "" {
+	if cc.Config.AuthSMTP.Anonymous || cc.Config.AuthSMTP.Check(username, password) {
 		return nil
 	}
 
-	if strings.ToLower(username) != cc.Config.AuthSMTP.Username {
-		return ErrorLogin
-	}
-
-	if strings.ToLower(password) != cc.Config.AuthSMTP.Password {
-		return ErrorLogin
-	}
-
-	return nil
+	return ErrorLogin
 }