Improve error handling when file does not existv0.0.19

2 files changed, 6 insertions, 5 deletions

diff --git a/cmd/server/auth.go b/cmd/server/auth.go
index 5e2316e..635b6e2 100644
--- a/cmd/server/auth.go
+++ b/cmd/server/auth.go
@@ -4,10 +4,11 @@ import (
 	"crypto/rand"
 	"encoding/base64"
 	"encoding/json"
+	"errors"
 	"fmt"
+	"io/fs"
 	"net/http"
 	"os"
-	"strings"
 
 	"riedstra.dev/mitch/go-website/users"
 )
@@ -59,8 +60,7 @@ func (a *App) ReadAuth(fn string) error { //nolint
 
 	fh, err := os.Open(fn)
 	if err != nil {
-		if strings.Contains(err.Error(), "no such file") ||
-			strings.Contains(err.Error(), "system cannot find the file specified") {
+		if errors.Is(err, fs.ErrNotExist) {
 			goto write
 		}
 
diff --git a/cmd/server/edit.go b/cmd/server/edit.go
index eb0c4cc..694028b 100644
--- a/cmd/server/edit.go
+++ b/cmd/server/edit.go
@@ -2,13 +2,14 @@ package main
 
 import (
 	"bytes"
+	"errors"
 	"html"
 	"io"
+	"io/fs"
 	"log"
 	"net/http"
 	"os"
 	"path/filepath"
-	"strings"
 
 	"riedstra.dev/mitch/go-website/page"
 )
@@ -29,7 +30,7 @@ func (a *App) EditPage(w http.ResponseWriter, r *http.Request) {
 	p = filepath.Clean(p)
 
 	fh, err := os.Open("./" + p + page.Suffix)
-	if err != nil && strings.Contains(err.Error(), "no such file or directory") {
+	if err != nil && errors.Is(err, fs.ErrNotExist) {
 		fh, err = os.Open("./" + page.TemplateDirectory +
 			"/new-template" + page.Suffix)
 	}