[Kiutaku] Debug attempt 1

.github/summary.yaml

@@ -1 +1 @@
-total: 1220
+total: 1220

src/main/kotlin/org/koitharu/kotatsu/parsers/site/gallery/all/Kiutaku.kt

@@ -1,15 +1,42 @@
 package org.koitharu.kotatsu.parsers.site.gallery.all
 
-import org.koitharu.kotatsu.parsers.MangaLoaderContext
-import org.koitharu.kotatsu.parsers.MangaSourceParser
-import org.koitharu.kotatsu.parsers.model.MangaParserSource
-import org.koitharu.kotatsu.parsers.config.ConfigKey
-import org.koitharu.kotatsu.parsers.model.ContentType
-import org.koitharu.kotatsu.parsers.model.MangaListFilterOptions
+import okhttp3.Interceptor
+import okhttp3.Request
+import okhttp3.Response
+import kotlinx.coroutines.*
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import org.koitharu.kotatsu.parsers.*
+import org.koitharu.kotatsu.parsers.model.*
 import org.koitharu.kotatsu.parsers.site.gallery.GalleryParser
-import org.koitharu.kotatsu.parsers.Broken
 
-@Broken("Blocked by Cloudflare")
 @MangaSourceParser("KIUTAKU", "Kiutaku", type = ContentType.OTHER)
 internal class Kiutaku(context: MangaLoaderContext) :
-    GalleryParser(context, MangaParserSource.KIUTAKU, "kiutaku.com")
+    GalleryParser(context, MangaParserSource.KIUTAKU, "kiutaku.com") {
+
+    companion object {
+        private val mutex = Mutex()
+        private var lastImageRequestTime = 0L
+        private val IMAGE_EXTENSIONS = listOf(".jpg", ".jpeg", ".png", ".webp")
+    }
+
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val request = chain.request()
+        val url = request.url.toString()
+
+        if (IMAGE_EXTENSIONS.any { url.endsWith(it, ignoreCase = true) }) {
+            runBlocking {
+                mutex.withLock {
+                    val now = System.currentTimeMillis()
+                    val wait = 500L - (now - lastImageRequestTime)
+                    if (wait > 0) {
+                        delay(wait)
+                    }
+                    lastImageRequestTime = System.currentTimeMillis()
+                }
+            }
+        }
+
+        return chain.proceed(request)
+    }
+}