fix: align directory wildcard matching

chfs-ng/internal/auth/auth.go

@@ -108,22 +108,43 @@ func matchPath(pattern, path string) bool {
 		return false
 	}
 	for i, p := range pp {
-		if p == "*" {
-			return true
-		}
-		if p == "?" {
-			if ps[i] == "" {
-				return false
-			}
-			continue
-		}
-		if p != ps[i] {
+		if !matchSegment(p, ps[i]) {
 			return false
 		}
 	}
 	return true
 }
 
+func matchSegment(pattern, value string) bool {
+	p := []rune(pattern)
+	v := []rune(value)
+	dp := make([][]bool, len(p)+1)
+	for i := range dp {
+		dp[i] = make([]bool, len(v)+1)
+	}
+	dp[0][0] = true
+	for i := 1; i <= len(p); i++ {
+		if p[i-1] == '*' {
+			dp[i][0] = dp[i-1][0]
+		}
+	}
+	for i := 1; i <= len(p); i++ {
+		for j := 1; j <= len(v); j++ {
+			switch p[i-1] {
+			case '*':
+				dp[i][j] = dp[i-1][j] || dp[i][j-1]
+			case '?':
+				dp[i][j] = dp[i-1][j-1]
+			default:
+				dp[i][j] = dp[i-1][j-1] && p[i-1] == v[j-1]
+			}
+		}
+	}
+	return dp[len(p)][len(v)]
+}
+
+func MatchPath(pattern, path string) bool { return matchPath(pattern, path) }
+
 func NewToken() string {
 	b := make([]byte, 32)
 	if _, e := rand.Read(b); e != nil {