release: v1.10

fix: config/blob GET handler 提前删文件导致 restic 读到零字节
fix: NanoHTTPD Response 在 handler 返回后才发送，finally 删除过早
fix: 改为 readBytes() 后关闭文件，再返回 InputStream

app/build.gradle

@@ -26,8 +26,8 @@ android {
         applicationId "com.example.androidbackupgui"
         minSdk 24
         targetSdk 34
-        versionCode 9
-        versionName "1.8"
+        versionCode 11
+        versionName "1.10"
     }
     buildFeatures {
         viewBinding true

app/src/main/java/com/example/androidbackupgui/backup/ResticRestBridge.kt

@@ -113,9 +113,29 @@ class ResticRestBridge(
         val started = System.currentTimeMillis()
         return try {
             val tmpFile = File(tmpDir, "restic_blob_${UUID.randomUUID()}")
+            val contentLength = session.headers["content-length"]?.toLongOrNull() ?: -1L
             val input = (session as NanoHTTPD.HTTPSession).inputStream
-            Log.d(TAG, "streamBodyToFile: reading body...")
-            tmpFile.outputStream().use { output -> input.copyTo(output) }
+            Log.d(TAG, "streamBodyToFile: reading body (content-length=$contentLength)...")
+            tmpFile.outputStream().use { output ->
+                if (contentLength > 0) {
+                    // Read exactly Content-Length bytes to avoid blocking on keep-alive
+                    val buf = ByteArray(8192)
+                    var remaining = contentLength
+                    while (remaining > 0) {
+                        val toRead = minOf(buf.size.toLong(), remaining).toInt()
+                        val n = input.read(buf, 0, toRead)
+                        if (n == -1) break
+                        output.write(buf, 0, n)
+                        remaining -= n
+                    }
+                    if (remaining > 0) {
+                        Log.w(TAG, "streamBodyToFile: body truncated, expected $contentLength bytes but got EOF after ${contentLength - remaining}")
+                    }
+                    Unit
+                } else {
+                    input.copyTo(output)
+                }
+            }
             val elapsed = System.currentTimeMillis() - started
             val bytes = tmpFile.length()
             Log.i(TAG, "streamBodyToFile: read $bytes bytes in ${elapsed}ms")
@@ -154,7 +174,8 @@ class ResticRestBridge(
                 try {
                     when (transport.download(remotePath, tempFile.absolutePath)) {
                         is AppResult.Success -> {
-                            newChunkedResponse(Response.Status.OK, "application/octet-stream", tempFile.inputStream())
+                            val data = tempFile.readBytes()
+                            newFixedLengthResponse(Response.Status.OK, "application/octet-stream", data.inputStream(), data.size.toLong())
                         }
                         is AppResult.Failure -> newFixedLengthResponse(
                             Response.Status.NOT_FOUND, "text/plain", ""
@@ -285,14 +306,14 @@ class ResticRestBridge(
                         response.addHeader("Content-Length", chunkSize.toString())
                         return@runBlocking response
                     }
-
-                    // Full file — stream directly without loading into memory
+                    // Full file — read into memory (blobs are typically small)
+                    val data = tempFile.readBytes()
                     val response = newChunkedResponse(
                         Response.Status.OK,
                         "application/octet-stream",
-                        tempFile.inputStream()
+                        data.inputStream()
                     )
-                    response.addHeader("Content-Length", tempFile.length().toString())
+                    response.addHeader("Content-Length", data.size.toString())
                     response
                 }
                 is AppResult.Failure -> newFixedLengthResponse(