Use OkHttpClient to download notification videos (#2779)

- Change to the OkHttpClient used elsewhere by the app to download notification videos to resolve problems related to cookies and mTLS authentication. As a result, storing and deleting the file is now handled by the app instead of by the system.

app/src/main/java/io/homeassistant/companion/android/notifications/MessagingManager.kt

@@ -79,6 +79,8 @@ import kotlinx.coroutines.withContext
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import org.json.JSONObject
+import java.io.File
+import java.io.FileOutputStream
 import java.net.URL
 import java.net.URLDecoder
 import java.util.Locale
@@ -1395,19 +1397,31 @@ class MessagingManager @Inject constructor(
             Dispatchers.IO
         ) {
             url ?: return@withContext null
+            val videoFile = File(context.applicationContext.cacheDir.absolutePath + "/notifications/video-${System.currentTimeMillis()}")
             val processingFrames = mutableListOf<Deferred<Bitmap?>>()
             var processingFramesSize = 0
             var singleFrame = 0
 
             try {
                 MediaMetadataRetriever().let { mediaRetriever ->
+                    val request = Request.Builder().apply {
+                        url(url)
+                        if (requiresAuth) {
+                            addHeader("Authorization", authenticationUseCase.buildBearerToken())
+                        }
+                    }.build()
+                    val response = okHttpClient.newCall(request).execute()
 
-                    if (requiresAuth) {
-                        mediaRetriever.setDataSource(url.toString(), mapOf("Authorization" to authenticationUseCase.buildBearerToken()))
-                    } else {
-                        mediaRetriever.setDataSource(url.toString(), hashMapOf())
+                    if (!videoFile.exists()) {
+                        videoFile.parentFile?.mkdirs()
+                        videoFile.createNewFile()
                     }
+                    FileOutputStream(videoFile).use { output ->
+                        response.body?.byteStream()?.copyTo(output)
+                    }
+                    response.close()
 
+                    mediaRetriever.setDataSource(videoFile.absolutePath)
                     val durationInMicroSeconds = ((mediaRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION)?.toLongOrNull() ?: VIDEO_GUESS_MILLISECONDS)) * 1000
 
                     // Start at 100 milliseconds and get frames every 0.75 seconds until reaching the end
@@ -1435,7 +1449,9 @@ class MessagingManager @Inject constructor(
                 Log.e(TAG, "Couldn't download video for notification", e)
             }
 
-            return@withContext processingFrames.awaitAll().filterNotNull()
+            val frames = processingFrames.awaitAll().filterNotNull()
+            videoFile.delete()
+            return@withContext frames
         }
 
     private fun Bitmap.getCompressedFrame(): Bitmap? {