record: allow using special characters in recording path (#2674)

internal/record/cleaner_test.go

@@ -20,15 +20,15 @@ func TestCleaner(t *testing.T) {
 	require.NoError(t, err)
 	defer os.RemoveAll(dir)
 
-	recordPath := filepath.Join(dir, "%path/%Y-%m-%d_%H-%M-%S-%f")
+	recordPath := filepath.Join(dir, "_-+*?^$()[]{}|_%path/%Y-%m-%d_%H-%M-%S-%f")
 
-	err = os.Mkdir(filepath.Join(dir, "mypath"), 0o755)
+	err = os.Mkdir(filepath.Join(dir, "_-+*?^$()[]{}|_mypath"), 0o755)
 	require.NoError(t, err)
 
-	err = os.WriteFile(filepath.Join(dir, "mypath", "2008-05-20_22-15-25-000125.mp4"), []byte{1}, 0o644)
+	err = os.WriteFile(filepath.Join(dir, "_-+*?^$()[]{}|_mypath", "2008-05-20_22-15-25-000125.mp4"), []byte{1}, 0o644)
 	require.NoError(t, err)
 
-	err = os.WriteFile(filepath.Join(dir, "mypath", "2009-05-20_22-15-25-000427.mp4"), []byte{1}, 0o644)
+	err = os.WriteFile(filepath.Join(dir, "_-+*?^$()[]{}|_mypath", "2009-05-20_22-15-25-000427.mp4"), []byte{1}, 0o644)
 	require.NoError(t, err)
 
 	c := NewCleaner(
@@ -43,9 +43,9 @@ func TestCleaner(t *testing.T) {
 
 	time.Sleep(500 * time.Millisecond)
 
-	_, err = os.Stat(filepath.Join(dir, "mypath", "2008-05-20_22-15-25-000125.mp4"))
+	_, err = os.Stat(filepath.Join(dir, "_-+*?^$()[]{}|_mypath", "2008-05-20_22-15-25-000125.mp4"))
 	require.Error(t, err)
 
-	_, err = os.Stat(filepath.Join(dir, "mypath", "2009-05-20_22-15-25-000427.mp4"))
+	_, err = os.Stat(filepath.Join(dir, "_-+*?^$()[]{}|_mypath", "2009-05-20_22-15-25-000427.mp4"))
 	require.NoError(t, err)
 }

internal/record/record_path.go

@@ -28,7 +28,26 @@ type recordPathParams struct {
 
 func decodeRecordPath(format string, v string) *recordPathParams {
 	re := format
-	re = strings.ReplaceAll(re, "\\", "\\\\")
+
+	for _, ch := range []uint8{
+		'\\',
+		'.',
+		'+',
+		'*',
+		'?',
+		'^',
+		'$',
+		'(',
+		')',
+		'[',
+		']',
+		'{',
+		'}',
+		'|',
+	} {
+		re = strings.ReplaceAll(re, string(ch), "\\"+string(ch))
+	}
+
 	re = strings.ReplaceAll(re, "%path", "(.*?)")
 	re = strings.ReplaceAll(re, "%Y", "([0-9]{4})")
 	re = strings.ReplaceAll(re, "%m", "([0-9]{2})")