Fixed some images not loading

app/build.gradle

@@ -38,7 +38,7 @@ android {
         minSdkVersion 16
         targetSdkVersion 30
         versionCode 69
-        versionName "5.1.28"
+        versionName "5.1.29"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
     }
@@ -128,6 +128,8 @@ dependencies {
     implementation "org.jsoup:jsoup:1.14.3"
     implementation "com.github.seven332:quickjs-android:0.1.0"
 
+    implementation "com.google.guava:guava:31.0.1-android"
+
     implementation "xyz.quaver:documentfilex:0.7.1"
     implementation "xyz.quaver:floatingsearchview:1.1.7"
 

app/src/main/java/xyz/quaver/pupil/services/DownloadService.kt

@@ -28,6 +28,7 @@ import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.app.TaskStackBuilder
 import androidx.core.content.ContextCompat
+import com.google.common.util.concurrent.RateLimiter
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -167,9 +168,25 @@ class DownloadService : Service() {
         }
     }
 
+    private val rateLimiter = RateLimiter.create(2.0)
+    private val rateLimitHost = Regex("..?\\.hitomi.la")
+
     private val interceptor: PupilInterceptor = { chain ->
         val request = chain.request()
-        val response = chain.proceed(request)
+
+        if (rateLimitHost.matches(request.url().host()))
+            rateLimiter.acquire()
+
+        var response = chain.proceed(request)
+        var limit = 5
+
+        if (!response.isSuccessful && limit > 0) {
+            Thread.sleep(10000)
+            if (rateLimitHost.matches(request.url().host()))
+                rateLimiter.acquire()
+            response = chain.proceed(request)
+            limit -= 1
+        }
 
         response.newBuilder()
             .body(response.body()?.let {