fix: clean file path.

cmd/kv.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
+	"path/filepath"
 	"time"
 
 	"github.com/abronan/valkeyrie/store"
@@ -125,7 +126,7 @@ func getCAContent(ca string) ([]byte, error) {
 		return []byte(ca), nil
 	}
 
-	caContent, err := ioutil.ReadFile(ca)
+	caContent, err := ioutil.ReadFile(filepath.Clean(ca))
 	if err != nil {
 		return nil, err
 	}

dumper/file/file.go

@@ -9,6 +9,7 @@ import (
 	"io"
 	"log"
 	"os"
+	"path/filepath"
 	"strings"
 
 	"github.com/containous/traefik/v2/pkg/provider/acme"
@@ -71,7 +72,7 @@ func dumpV2(acmeFile string, baseConfig *dumper.BaseConfig) error {
 }
 
 func readJSONFile(acmeFile string, data interface{}) error {
-	source, err := os.Open(acmeFile)
+	source, err := os.Open(filepath.Clean(acmeFile))
 	if err != nil {
 		return fmt.Errorf("failed to open file %q: %w", acmeFile, err)
 	}
@@ -186,7 +187,7 @@ func manageRename(watcher *fsnotify.Watcher, event fsnotify.Event, acmeFile stri
 }
 
 func calculateHash(acmeFile string) ([]byte, error) {
-	file, err := os.Open(acmeFile)
+	file, err := os.Open(filepath.Clean(acmeFile))
 	if err != nil {
 		return nil, err
 	}

integrationtest/loader.go

@@ -5,6 +5,7 @@ import (
 	"compress/gzip"
 	"io/ioutil"
 	"log"
+	"path/filepath"
 	"time"
 
 	"github.com/abronan/valkeyrie"
@@ -91,7 +92,7 @@ func putData(backend store.Backend, addrs []string, content []byte) error {
 }
 
 func readFile(source string) ([]byte, error) {
-	content, err := ioutil.ReadFile(source)
+	content, err := ioutil.ReadFile(filepath.Clean(source))
 	if err != nil {
 		return nil, err
 	}