fix: 修复 POP 签名 percentEncode 使用 Unicode 字母集导致非 ASCII 字符未编码的问题

2026-06-30 11:38:47 +06:00
parent a6206b6881
commit 7593e054b7
1 changed files with 12 additions and 2 deletions
@@ -26,6 +26,8 @@ struct VODSignature {

        let stringToSign = "\(method)&%2F&\(percentEncode(canonicalQuery))"

+        print("[VODSignature] stringToSign: \(stringToSign)")
+
        guard let keyData = "\(accessKeySecret)&".data(using: .utf8) else {
            throw VODSignatureError.invalidKey
        }
@@ -40,7 +42,15 @@ struct VODSignature {
    }

    private static func percentEncode(_ value: String) -> String {
-        let allowed = CharacterSet(charactersIn: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~")
-        return value.addingPercentEncoding(withAllowedCharacters: allowed) ?? value
+        let allowed = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~"
+        var result = ""
+        for char in value.utf8 {
+            if allowed.utf8.contains(char) {
+                result.append(Character(UnicodeScalar(char)))
+            } else {
+                result.append(String(format: "%%%02X", char))
+            }
+        }
+        return result
    }
 }