备用源域名脱敏

app/src/main/java/com/yingmao/clash/view/adapter/DomainListAdapter.kt

@@ -43,6 +43,9 @@ class DomainListAdapter(layoutResId: Int) :
             var mmkv = MMKV.defaultMMKV()
             val fhost = mmkv.decodeString(BZYConstants.MMKV_KEY_FIRST_HOST, "")
             var showAddress = item.address.replace(Regex("https://"), "")
+            // **脱敏处理**
+            showAddress = maskSensitiveInfo(showAddress)
+
             if (item.address == fhost) {
                 showAddress += " (推荐)"
             }
@@ -52,4 +55,33 @@ class DomainListAdapter(layoutResId: Int) :
         addressIndex++
     }
 
+    private fun maskSensitiveInfo(address: String): String {
+        val parts = address.split(".")
+
+        return if (parts.size > 2) {
+            // 处理中间部分，只脱敏每个部分的核心字符
+            val maskedParts = parts.mapIndexed { index, part ->
+                if (index == 0 || index == parts.size - 1) {
+                    part // 首尾部分不变
+                } else {
+                    maskMiddleCharacters(part) // 处理中间部分
+                }
+            }
+            maskedParts.joinToString(".") // 重新组合成域名
+        } else {
+            address // 只有两部分时不脱敏
+        }
+    }
+
+    private fun maskMiddleCharacters(text: String): String {
+        return when {
+            text.length > 2 -> {
+                val firstChar = text.first()
+                val lastChar = text.last()
+                val maskedMiddle = "*".repeat(text.length - 2)
+                "$firstChar$maskedMiddle$lastChar"
+            }
+            else -> "*".repeat(text.length) // 长度 ≤ 2 时，全替换为 *
+        }
+    }
 }