From e0fd115e55478100ada3fe5f0061ef83bbe7975f Mon Sep 17 00:00:00 2001
From: Song <168455@qq.com>
Date: Thu, 9 Jul 2026 21:53:36 +0800
Subject: [PATCH] fix: parse Base64-encoded update-source in release notes
 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

---
 .../main/java/com/a2i/forwarder/core/UpdateChecker.kt  | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/com/a2i/forwarder/core/UpdateChecker.kt b/app/src/main/java/com/a2i/forwarder/core/UpdateChecker.kt
index 7841fa4..e3978f9 100644
--- a/app/src/main/java/com/a2i/forwarder/core/UpdateChecker.kt
+++ b/app/src/main/java/com/a2i/forwarder/core/UpdateChecker.kt
@@ -250,9 +250,13 @@ class UpdateChecker(private val context: Context) {
         return false
     }
 
-    /** 从 release notes 的 HTML 注释里解析额外更新源（如自建 Gitea）。 */
-    private fun parseUpdateSource(body: String): String? =
-        Regex("""update-source:\s*(\S+)""").find(body)?.groupValues?.getOrNull(1)
+    /** 从 release notes 的 HTML 注释里解析额外更新源（Base64 编码，兼容明文）。 */
+    private fun parseUpdateSource(body: String): String? {
+        val raw = Regex("""update-source:\s*(\S+)""").find(body)?.groupValues?.getOrNull(1) ?: return null
+        // 尝试 Base64 解码；解码失败则原样返回（兼容明文）
+        return runCatching { String(java.util.Base64.getDecoder().decode(raw), Charsets.UTF_8) }
+            .getOrNull() ?: raw
+    }
 
     companion object {
         const val GITHUB_API = "https://api.github.com/repos/lsxf/a2i/releases/latest"