add auth on some sources

add Config Header on many sources
close #974

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

@@ -5,6 +5,7 @@ import org.json.JSONArray
 import org.json.JSONObject
 import org.jsoup.nodes.Element
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
+import org.koitharu.kotatsu.parsers.MangaParserAuthProvider
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.PagedMangaParser
 import org.koitharu.kotatsu.parsers.config.ConfigKey
@@ -24,7 +25,30 @@ internal class BatoToParser(context: MangaLoaderContext) : PagedMangaParser(
 	source = MangaParserSource.BATOTO,
 	pageSize = 60,
 	searchPageSize = 20,
-) {
+), MangaParserAuthProvider {
+
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
+	override val authUrl: String
+		get() = "https://${domain}/signin"
+
+	override val isAuthorized: Boolean
+		get() {
+			return context.cookieJar.getCookies(domain).any {
+				it.name.contains("skey")
+			}
+		}
+
+	override suspend fun getUsername(): String {
+		val body = webClient.httpGet("https://${domain}/account/profiles").parseHtml().body()
+		return body.selectFirst("ul.toggleMenu-content:has(.avatar):has(a) div.text-center div")?.text()
+			?: body.parseFailed("Cannot find username")
+	}
 
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.NEWEST,

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

@@ -26,6 +26,13 @@ internal class ComickFunParser(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("comick.io", "comick.cc")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.POPULARITY,
 		SortOrder.UPDATED,

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

@@ -26,6 +26,8 @@ internal class ExHentaiParser(
 	context: MangaLoaderContext,
 ) : PagedMangaParser(context, MangaParserSource.EXHENTAI, pageSize = 25), MangaParserAuthProvider {
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
 	override val availableSortOrders: Set<SortOrder> = setOf(SortOrder.NEWEST)
 	override val isTagsExclusionSupported: Boolean = true
 
@@ -329,6 +331,7 @@ internal class ExHentaiParser(
 
 	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
 		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
 		keys.add(suspiciousContentKey)
 	}
 

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

@@ -30,6 +30,13 @@ import kotlin.math.min
 class HitomiLaParser(context: MangaLoaderContext) : MangaParser(context, MangaParserSource.HITOMILA) {
 	override val configKeyDomain = ConfigKey.Domain("hitomi.la")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	private val ltnBaseUrl get() = "https://${getDomain("ltn")}"
 
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(

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

@@ -22,6 +22,13 @@ internal class ImHentai(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("imhentai.xxx")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 		val url = buildString {
 			append("https://")

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

@@ -2,7 +2,6 @@ package org.koitharu.kotatsu.parsers.site.all
 
 import kotlinx.coroutines.async
 import kotlinx.coroutines.coroutineScope
-import okhttp3.Headers
 import okhttp3.HttpUrl
 import okhttp3.HttpUrl.Companion.toHttpUrl
 import org.json.JSONObject
@@ -48,10 +47,13 @@ internal abstract class LineWebtoonsParser(
 		SortOrder.RATING,
 		SortOrder.UPDATED,
 	)
-	override val headers: Headers
+
-		get() = Headers.Builder()
+	private val userAgentKey = ConfigKey.UserAgent("nApps (Android 12;; linewebtoon; 3.1.0)")
-			.add("User-Agent", "nApps (Android 12;; linewebtoon; 3.1.0)")
+
-			.build()
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	override suspend fun getPageUrl(page: MangaPage): String {
 		return page.url.toAbsoluteUrl(staticDomain)

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

@@ -28,6 +28,13 @@ internal class MangaDexParser(context: MangaLoaderContext) : MangaParser(context
 
 	override val configKeyDomain = ConfigKey.Domain("mangadex.org")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: EnumSet<SortOrder> = EnumSet.allOf(SortOrder::class.java)
 
 	override val availableContentRating: Set<ContentRating> = EnumSet.allOf(ContentRating::class.java)

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

@@ -9,6 +9,7 @@ import okhttp3.Response
 import org.jsoup.Jsoup
 import org.jsoup.nodes.Document
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
+import org.koitharu.kotatsu.parsers.MangaParserAuthProvider
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.PagedMangaParser
 import org.koitharu.kotatsu.parsers.bitmap.Rect
@@ -26,7 +27,7 @@ internal abstract class MangaFireParser(
 	context: MangaLoaderContext,
 	source: MangaParserSource,
 	private val siteLang: String,
-) : PagedMangaParser(context, source, 30), Interceptor {
+) : PagedMangaParser(context, source, 30), Interceptor, MangaParserAuthProvider {
 
 	override val configKeyDomain: ConfigKey.Domain = ConfigKey.Domain("mangafire.to")
 
@@ -38,6 +39,29 @@ internal abstract class MangaFireParser(
 		SortOrder.ALPHABETICAL,
 	)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
+	override val authUrl: String
+		get() = "https://${domain}"
+
+	override val isAuthorized: Boolean
+		get() {
+			return context.cookieJar.getCookies(domain).any {
+				it.value.contains("user")
+			}
+		}
+
+	override suspend fun getUsername(): String {
+		val body = webClient.httpGet("https://${domain}/user/profile").parseHtml().body()
+		return body.selectFirst("form.ajax input[name*=username]")?.attr("value")
+			?: body.parseFailed("Cannot find username")
+	}
+
 	override val availableStates: Set<MangaState> = EnumSet.allOf(MangaState::class.java)
 
 	private val tags = SoftSuspendLazy {

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

@@ -26,6 +26,13 @@ internal class MangaPark(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("mangapark.net")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	private val tagsMap = SuspendLazy(::parseTags)
 
 	init {

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

@@ -29,6 +29,13 @@ internal abstract class MangaPlusParser(
 	private val apiUrl = "https://jumpg-webapi.tokyo-cdn.com/api"
 	override val configKeyDomain = ConfigKey.Domain("mangaplus.shueisha.co.jp")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.POPULARITY,
 		SortOrder.UPDATED,

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

@@ -7,6 +7,7 @@ import okhttp3.Response
 import org.jsoup.Jsoup
 import org.jsoup.nodes.Document
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
+import org.koitharu.kotatsu.parsers.MangaParserAuthProvider
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.PagedMangaParser
 import org.koitharu.kotatsu.parsers.bitmap.Bitmap
@@ -21,10 +22,34 @@ import kotlin.math.min
 
 @MangaSourceParser("MANGAREADERTO", "MangaReader.To")
 class MangaReaderToParser(context: MangaLoaderContext) : PagedMangaParser(context, MangaParserSource.MANGAREADERTO, 16),
-	Interceptor {
+	Interceptor, MangaParserAuthProvider {
 
 	override val configKeyDomain = ConfigKey.Domain("mangareader.to")
 
+
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
+	override val authUrl: String
+		get() = "https://${domain}/home"
+
+	override val isAuthorized: Boolean
+		get() {
+			return context.cookieJar.getCookies(domain).any {
+				it.name.contains("connect.sid")
+			}
+		}
+
+	// It will be easier to connect to a manga page, as the source redirects to a lot of advertising.
+	override suspend fun getUsername(): String {
+		val body = webClient.httpGet("https://${domain}/user/profile").parseHtml().body()
+		return body.getElementById("pro5-name")?.attr("value") ?: body.parseFailed("Cannot find username")
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.POPULARITY,
 		SortOrder.RATING,

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

@@ -23,6 +23,13 @@ internal abstract class NineMangaParser(
 
 	override val configKeyDomain = ConfigKey.Domain(defaultDomain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	init {
 		context.cookieJar.insertCookies(domain, "ninemanga_template_desk=yes")
 	}

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

@@ -24,6 +24,13 @@ internal class NineNineNineHentaiParser(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("animeh.to")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: EnumSet<SortOrder> = EnumSet.of(
 		SortOrder.POPULARITY,
 		SortOrder.NEWEST,

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

@@ -3,7 +3,6 @@ package org.koitharu.kotatsu.parsers.site.all
 import kotlinx.coroutines.async
 import kotlinx.coroutines.awaitAll
 import kotlinx.coroutines.coroutineScope
-import okhttp3.Headers
 import okhttp3.HttpUrl
 import okhttp3.HttpUrl.Companion.toHttpUrl
 import org.json.JSONArray
@@ -49,8 +48,13 @@ internal abstract class WebtoonsParser(
 		//SortOrder.LIKE, // likes
 		SortOrder.UPDATED,
 	)
-	override val headers: Headers
+
-		get() = Headers.Builder().add("User-Agent", "nApps (Android 12;; linewebtoon; 3.1.0)").build()
+	private val userAgentKey = ConfigKey.UserAgent("nApps (Android 12;; linewebtoon; 3.1.0)")
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	override suspend fun getPageUrl(page: MangaPage): String {
 		return page.url.toAbsoluteUrl(staticDomain)

src/main/kotlin/org/koitharu/kotatsu/parsers/site/animebootstrap/AnimeBootstrapParser.kt

@@ -20,6 +20,13 @@ internal abstract class AnimeBootstrapParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/ar/FlixScans.kt

@@ -23,6 +23,13 @@ internal class FlixScans(context: MangaLoaderContext) : PagedMangaParser(context
 	override val availableContentRating: Set<ContentRating> = EnumSet.of(ContentRating.ADULT)
 	override val configKeyDomain = ConfigKey.Domain("flixscans.net")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 
 		val json = when (filter) {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/ar/MangaStorm.kt

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.parsers.site.ar
 
-import okhttp3.Headers
 import org.koitharu.kotatsu.parsers.Broken
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
@@ -19,9 +18,12 @@ internal class MangaStorm(context: MangaLoaderContext) : PagedMangaParser(contex
 	override val configKeyDomain = ConfigKey.Domain("mangastorm.org")
 	override val isMultipleTagsSupported = false
 
-	override val headers: Headers = Headers.Builder()
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
+
-		.build()
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 		val url = buildString {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/ar/TeamXNovel.kt

@@ -21,6 +21,14 @@ internal class TeamXNovel(context: MangaLoaderContext) : PagedMangaParser(contex
 		EnumSet.of(MangaState.ONGOING, MangaState.FINISHED, MangaState.ABANDONED)
 
 	override val configKeyDomain = ConfigKey.Domain("teamoney.site")
+
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/be/AnibelParser.kt

@@ -25,6 +25,13 @@ internal class AnibelParser(context: MangaLoaderContext) : MangaParser(context,
 
 	override val configKeyDomain = ConfigKey.Domain("anibel.net")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.NEWEST,
 	)

src/main/kotlin/org/koitharu/kotatsu/parsers/site/cupfox/CupFoxParser.kt

@@ -17,6 +17,13 @@ internal abstract class CupFoxParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.POPULARITY,
 		SortOrder.UPDATED,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/AsuraScansParser.kt

@@ -29,6 +29,13 @@ internal class AsuraScansParser(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("asuracomic.net")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = true
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/BeeToon.kt

@@ -17,6 +17,13 @@ internal class BeeToon(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("manhwafull.net")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/CloneMangaParser.kt

@@ -18,6 +18,13 @@ internal class CloneMangaParser(context: MangaLoaderContext) : MangaParser(conte
 
 	override val configKeyDomain = ConfigKey.Domain("manga.clone-army.org")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	@InternalParsersApi
 	override suspend fun getList(offset: Int, filter: MangaListFilter?): List<Manga> {
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/ComicExtra.kt

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.parsers.site.en
 
-import okhttp3.Headers
 import org.koitharu.kotatsu.parsers.ErrorMessages
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
@@ -22,11 +21,15 @@ internal class ComicExtra(context: MangaLoaderContext) : PagedMangaParser(contex
 
 	override val configKeyDomain = ConfigKey.Domain("comixextra.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
-	override val headers: Headers = Headers.Builder()
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
-		.build()
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 		val url = buildString {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/DynastyScans.kt

@@ -4,7 +4,6 @@ import androidx.collection.ArraySet
 import kotlinx.coroutines.async
 import kotlinx.coroutines.awaitAll
 import kotlinx.coroutines.coroutineScope
-import okhttp3.Headers
 import org.json.JSONArray
 import org.jsoup.nodes.Document
 import org.jsoup.nodes.Element
@@ -24,9 +23,12 @@ internal class DynastyScans(context: MangaLoaderContext) :
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.ALPHABETICAL)
 	override val configKeyDomain = ConfigKey.Domain("dynasty-scans.com")
 
-	override val headers: Headers = Headers.Builder()
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
+
-		.build()
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	override val isMultipleTagsSupported = false
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/FlixScansOrg.kt

@@ -23,6 +23,13 @@ internal class FlixScansOrg(context: MangaLoaderContext) :
 	override val availableStates: Set<MangaState> = EnumSet.allOf(MangaState::class.java)
 	override val availableContentRating: Set<ContentRating> = EnumSet.of(ContentRating.ADULT)
 	override val configKeyDomain = ConfigKey.Domain("flixscans.org")
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isSearchSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/MangaKawaiiEn.kt

@@ -20,6 +20,13 @@ internal class MangaKawaiiEn(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("www.mangakawaii.io")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val headers: Headers = Headers.Builder()
 		.add("Accept-Language", "en")
 		.build()

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/MangaTownParser.kt

@@ -16,6 +16,13 @@ internal class MangaTownParser(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("www.mangatown.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.ALPHABETICAL,
 		SortOrder.RATING,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/Mangaowl.kt

@@ -1,7 +1,6 @@
 package org.koitharu.kotatsu.parsers.site.en
 
 import kotlinx.coroutines.coroutineScope
-import okhttp3.Headers
 import org.jsoup.nodes.Document
 import org.koitharu.kotatsu.parsers.Broken
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -30,9 +29,13 @@ internal class Mangaowl(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("mangaowl.to")
 
-	override val headers: Headers = Headers.Builder()
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
+
-		.build()
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/Manhwa18Parser.kt

@@ -15,6 +15,13 @@ class Manhwa18Parser(context: MangaLoaderContext) :
 
 	override val configKeyDomain: ConfigKey.Domain = ConfigKey.Domain("manhwa18.net")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder>
 		get() = EnumSet.of(
 			SortOrder.UPDATED,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/ManhwasMen.kt

@@ -16,6 +16,13 @@ class ManhwasMen(context: MangaLoaderContext) :
 
 	override val configKeyDomain: ConfigKey.Domain = ConfigKey.Domain("manhwas.men")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override val availableSortOrders: Set<SortOrder>

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/Po2Scans.kt

@@ -15,6 +15,13 @@ internal class Po2Scans(context: MangaLoaderContext) : MangaParser(context, Mang
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.ALPHABETICAL)
 	override val configKeyDomain = ConfigKey.Domain("po2scans.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override suspend fun getList(offset: Int, filter: MangaListFilter?): List<Manga> {
 		if (offset > 0) {
 			return emptyList()

src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/Pururin.kt

@@ -22,6 +22,13 @@ internal class Pururin(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("pururin.to")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/es/TempleScanEsp.kt

@@ -1,7 +1,6 @@
 package org.koitharu.kotatsu.parsers.site.es
 
 import kotlinx.coroutines.coroutineScope
-import okhttp3.Headers
 import org.jsoup.nodes.Document
 import org.koitharu.kotatsu.parsers.ErrorMessages
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -21,11 +20,15 @@ internal class TempleScanEsp(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("templescanesp.net")
 
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isSearchSupported = false
 
-	override val headers: Headers = Headers.Builder()
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
-		.build()
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 		val url = buildString {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/es/TuMangaOnlineParser.kt

@@ -22,6 +22,13 @@ class TuMangaOnlineParser(context: MangaLoaderContext) : PagedMangaParser(
 
 	override val configKeyDomain = ConfigKey.Domain("visortmo.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	private val chapterDateFormat = SimpleDateFormat("yyyy-MM-dd", sourceLocale)
 
 	override val availableContentRating: Set<ContentRating> = EnumSet.of(ContentRating.SAFE, ContentRating.ADULT)

src/main/kotlin/org/koitharu/kotatsu/parsers/site/fmreader/FmreaderParser.kt

@@ -21,6 +21,13 @@ internal abstract class FmreaderParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.UPDATED,
 		SortOrder.POPULARITY,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/foolslide/FoolSlideParser.kt

@@ -20,6 +20,13 @@ internal abstract class FoolSlideParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.ALPHABETICAL)
 
 	protected open val listUrl = "directory/"

src/main/kotlin/org/koitharu/kotatsu/parsers/site/fr/BentomangaParser.kt

@@ -32,6 +32,13 @@ internal class BentomangaParser(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("bentomanga.com", "www.bentomanga.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableStates: Set<MangaState> =
 		EnumSet.of(MangaState.ONGOING, MangaState.FINISHED, MangaState.PAUSED, MangaState.ABANDONED)
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/fr/FuryoSociety.kt

@@ -1,7 +1,6 @@
 package org.koitharu.kotatsu.parsers.site.fr
 
 import kotlinx.coroutines.coroutineScope
-import okhttp3.Headers
 import org.jsoup.nodes.Document
 import org.koitharu.kotatsu.parsers.ErrorMessages
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -23,11 +22,14 @@ internal class FuryoSociety(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("furyosociety.com")
 
-	override val isSearchSupported = false
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
-	override val headers: Headers = Headers.Builder()
+	override val isSearchSupported = false
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
-		.build()
 
 	override suspend fun getFavicons(): Favicons {
 		return Favicons(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/fr/LegacyScansParser.kt

@@ -22,6 +22,13 @@ internal class LegacyScansParser(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("legacy-scans.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 		val end = page * pageSize
 		val start = end - (pageSize - 1)

src/main/kotlin/org/koitharu/kotatsu/parsers/site/fr/LireScan.kt

@@ -18,6 +18,13 @@ internal class LireScan(context: MangaLoaderContext) : PagedMangaParser(context,
 
 	override val configKeyDomain = ConfigKey.Domain("lire-scan.me")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/fr/LugnicaScans.kt

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.parsers.site.fr
 
-import okhttp3.Headers
 import org.json.JSONArray
 import org.koitharu.kotatsu.parsers.ErrorMessages
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -31,9 +30,12 @@ internal class LugnicaScans(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("lugnica-scans.com")
 
-	override val headers: Headers = Headers.Builder()
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
+
-		.build()
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	init {
 		context.cookieJar.insertCookies(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/fr/MangaKawaii.kt

@@ -19,6 +19,13 @@ internal class MangaKawaii(context: MangaLoaderContext) : PagedMangaParser(conte
 
 	override val configKeyDomain = ConfigKey.Domain("www.mangakawaii.io")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val headers: Headers = Headers.Builder()
 		.add("Accept-Language", "fr")
 		.build()

src/main/kotlin/org/koitharu/kotatsu/parsers/site/fr/MangaMana.kt

@@ -42,6 +42,13 @@ internal class MangaMana(context: MangaLoaderContext) : PagedMangaParser(context
 
 	override val configKeyDomain = ConfigKey.Domain("www.manga-mana.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/fr/ScansMangasMe.kt

@@ -1,7 +1,6 @@
 package org.koitharu.kotatsu.parsers.site.fr
 
 import kotlinx.coroutines.coroutineScope
-import okhttp3.Headers
 import org.json.JSONArray
 import org.jsoup.nodes.Document
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -26,9 +25,12 @@ internal class ScansMangasMe(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("scansmangas.me")
 
-	override val headers: Headers = Headers.Builder()
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
+
-		.build()
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	override val isMultipleTagsSupported = false
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/fr/ScantradUnion.kt

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.parsers.site.fr
 
-import okhttp3.Headers
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.PagedMangaParser
@@ -25,9 +24,12 @@ internal class ScantradUnion(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("scantrad-union.com")
 
-	override val headers: Headers = Headers.Builder()
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
+
-		.build()
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 		val url = buildString {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/fuzzydoodle/FuzzyDoodleParser.kt

@@ -22,13 +22,20 @@ internal abstract class FuzzyDoodleParser(
 	pageSize: Int = 24,
 ) : PagedMangaParser(context, source, pageSize) {
 
+	override val configKeyDomain = ConfigKey.Domain(domain)
+
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.NEWEST)
 
 	override val availableStates: Set<MangaState> =
 		EnumSet.of(MangaState.ONGOING, MangaState.FINISHED, MangaState.PAUSED, MangaState.ABANDONED)
 
-	override val configKeyDomain = ConfigKey.Domain(domain)
-
 	override val isMultipleTagsSupported = true
 
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/galleryadults/GalleryAdultsParser.kt

@@ -21,8 +21,17 @@ internal abstract class GalleryAdultsParser(
 	pageSize: Int = 20,
 ) : PagedMangaParser(context, source, pageSize) {
 
-	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.UPDATED)
 	override val configKeyDomain = ConfigKey.Domain(domain)
+
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
+	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.UPDATED)
+
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/gattsu/GattsuParser.kt

@@ -16,10 +16,17 @@ internal abstract class GattsuParser(
 	pageSize: Int = 20,
 ) : PagedMangaParser(context, source, pageSize) {
 
-	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.UPDATED)
-
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
+	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.UPDATED)
+
 	override val isMultipleTagsSupported = false
 
 	protected open val tagPrefix = "tag"

src/main/kotlin/org/koitharu/kotatsu/parsers/site/guya/GuyaParser.kt

@@ -17,6 +17,13 @@ internal abstract class GuyaParser(
 
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.ALPHABETICAL)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/heancmsalt/HeanCmsAlt.kt

@@ -21,6 +21,13 @@ internal abstract class HeanCmsAlt(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.UPDATED)
 
 	override val isSearchSupported = false

src/main/kotlin/org/koitharu/kotatsu/parsers/site/hotcomics/HotComicsParser.kt

@@ -22,10 +22,17 @@ internal abstract class HotComicsParser(
 	pageSize: Int = 24,
 ) : PagedMangaParser(context, source, pageSize) {
 
-	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.NEWEST)
-
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
+	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.NEWEST)
+
 	override val isMultipleTagsSupported = false
 
 	protected open val mangasUrl = "/genres"

src/main/kotlin/org/koitharu/kotatsu/parsers/site/id/DoujinDesuParser.kt

@@ -17,6 +17,13 @@ class DoujinDesuParser(context: MangaLoaderContext) :
 	override val configKeyDomain: ConfigKey.Domain
 		get() = ConfigKey.Domain("doujindesu.tv")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder>
 		get() = EnumSet.of(SortOrder.UPDATED, SortOrder.NEWEST, SortOrder.ALPHABETICAL, SortOrder.POPULARITY)
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/id/HentaiCrot.kt

@@ -17,6 +17,13 @@ internal class HentaiCrot(context: MangaLoaderContext) :
 	)
 	override val configKeyDomain = ConfigKey.Domain("hentaicrot.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/id/PixHentai.kt

@@ -17,6 +17,13 @@ internal class PixHentai(context: MangaLoaderContext) :
 	)
 	override val configKeyDomain = ConfigKey.Domain("pixhentai.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/ja/NicovideoSeigaParser.kt

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.parsers.site.ja
 
-import okhttp3.Headers
 import org.koitharu.kotatsu.parsers.*
 import org.koitharu.kotatsu.parsers.config.ConfigKey
 import org.koitharu.kotatsu.parsers.exception.AuthRequiredException
@@ -17,9 +16,12 @@ class NicovideoSeigaParser(context: MangaLoaderContext) :
 	MangaParser(context, MangaParserSource.NICOVIDEO_SEIGA),
 	MangaParserAuthProvider {
 
-	override val headers: Headers = Headers.Builder()
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
+
-		.build()
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	override val authUrl: String
 		get() = "https://${getDomain("account")}/login?site=seiga"

src/main/kotlin/org/koitharu/kotatsu/parsers/site/likemanga/LikeMangaParser.kt

@@ -22,14 +22,21 @@ internal abstract class LikeMangaParser(
 	pageSize: Int = 36,
 ) : PagedMangaParser(context, source, pageSize) {
 
+	override val configKeyDomain = ConfigKey.Domain(domain)
+
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> =
 		EnumSet.of(SortOrder.UPDATED, SortOrder.POPULARITY, SortOrder.NEWEST)
 
 	override val availableStates: Set<MangaState> =
 		EnumSet.of(MangaState.ONGOING, MangaState.FINISHED, MangaState.PAUSED)
 
-	override val configKeyDomain = ConfigKey.Domain(domain)
-
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/madtheme/MadthemeParser.kt

@@ -21,6 +21,13 @@ internal abstract class MadthemeParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.UPDATED,
 		SortOrder.POPULARITY,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/manga18/Manga18Parser.kt

@@ -20,6 +20,13 @@ internal abstract class Manga18Parser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.UPDATED,
 		SortOrder.POPULARITY,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangabox/MangaboxParser.kt

@@ -5,6 +5,7 @@ import kotlinx.coroutines.coroutineScope
 import org.jsoup.nodes.Document
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.PagedMangaParser
+import org.koitharu.kotatsu.parsers.config.ConfigKey
 import org.koitharu.kotatsu.parsers.model.*
 import org.koitharu.kotatsu.parsers.util.*
 import java.text.DateFormat
@@ -17,6 +18,14 @@ internal abstract class MangaboxParser(
 	pageSize: Int = 24,
 ) : PagedMangaParser(context, source, pageSize) {
 
+
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.UPDATED,
 		SortOrder.POPULARITY,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangadventure/MangAdventureParser.kt

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.parsers.site.mangadventure
 
-import okhttp3.Headers
 import okhttp3.HttpUrl
 import org.json.JSONObject
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -21,8 +20,12 @@ internal abstract class MangAdventureParser(
 ) : PagedMangaParser(context, source, pageSize) {
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
-	override val headers: Headers =
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.KOTATSU)
-		Headers.Builder().add("User-Agent", UserAgents.KOTATSU).build()
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	override val availableStates: Set<MangaState> = EnumSet.of(
 		MangaState.ONGOING,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangaworld/MangaWorldParser.kt

@@ -1,4 +1,4 @@
-package org.koitharu.kotatsu.parsers.site.mangaworld.it
+package org.koitharu.kotatsu.parsers.site.mangaworld
 
 import org.jsoup.nodes.Document
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -29,6 +29,13 @@ abstract class MangaWorldParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableStates: Set<MangaState> =
 		EnumSet.of(MangaState.ONGOING, MangaState.FINISHED, MangaState.ABANDONED, MangaState.PAUSED)
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangaworld/it/MangaWorld.kt

@@ -1,9 +1,9 @@
-package org.koitharu.kotatsu.parsers.site.mangaworld
+package org.koitharu.kotatsu.parsers.site.mangaworld.it
 
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.model.MangaParserSource
-import org.koitharu.kotatsu.parsers.site.mangaworld.it.MangaWorldParser
+import org.koitharu.kotatsu.parsers.site.mangaworld.MangaWorldParser
 
 @MangaSourceParser("MANGAWORLD", "MangaWorld", "it")
 internal class MangaWorld(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/mangaworld/it/MangaWorldAdult.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.parsers.site.mangaworld.it
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.model.MangaParserSource
+import org.koitharu.kotatsu.parsers.site.mangaworld.MangaWorldParser
 
 @MangaSourceParser("MANGAWORLDADULT", "MangaWorldAdult", "it")
 internal class MangaWorldAdult(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/mmrcms/MmrcmsParser.kt

@@ -20,6 +20,13 @@ internal abstract class MmrcmsParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.POPULARITY,
 		SortOrder.UPDATED,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/nepnep/NepnepParser.kt

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.parsers.site.nepnep
 
-import okhttp3.Headers
 import org.json.JSONArray
 import org.json.JSONObject
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -24,15 +23,18 @@ internal abstract class NepnepParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> =
 		EnumSet.of(SortOrder.ALPHABETICAL, SortOrder.POPULARITY, SortOrder.UPDATED)
 	override val availableStates: Set<MangaState> = EnumSet.allOf(MangaState::class.java)
 	override val isTagsExclusionSupported = true
 
-	override val headers: Headers = Headers.Builder()
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
-		.build()
-
 	private val searchDoc = SoftSuspendLazy {
 		webClient.httpGet("https://$domain/search/").parseHtml()
 	}

src/main/kotlin/org/koitharu/kotatsu/parsers/site/otakusanctuary/OtakuSanctuaryParser.kt

@@ -20,6 +20,13 @@ internal abstract class OtakuSanctuaryParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.UPDATED,
 		SortOrder.NEWEST,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/pizzareader/PizzaReaderParser.kt

@@ -23,6 +23,13 @@ internal abstract class PizzaReaderParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.ALPHABETICAL)
 	override val availableStates: Set<MangaState> =
 		EnumSet.of(MangaState.ONGOING, MangaState.FINISHED, MangaState.PAUSED, MangaState.ABANDONED)

src/main/kotlin/org/koitharu/kotatsu/parsers/site/pt/BrMangas.kt

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.parsers.site.pt
 
-import okhttp3.Headers
 import org.koitharu.kotatsu.parsers.Broken
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
@@ -21,9 +20,12 @@ internal class BrMangas(context: MangaLoaderContext) : PagedMangaParser(context,
 
 	override val isMultipleTagsSupported = false
 
-	override val headers: Headers = Headers.Builder()
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
+
-		.build()
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 		val url = buildString {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/pt/LerManga.kt

@@ -26,6 +26,13 @@ class LerManga(context: MangaLoaderContext) : PagedMangaParser(context, MangaPar
 
 	override val configKeyDomain = ConfigKey.Domain("lermanga.org")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 	override val isSearchSupported = false
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/pt/LerMangaOnline.kt

@@ -19,6 +19,13 @@ class LerMangaOnline(context: MangaLoaderContext) : PagedMangaParser(context, Ma
 
 	override val configKeyDomain = ConfigKey.Domain("lermangaonline.com.br")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/pt/MangaOnline.kt

@@ -16,6 +16,13 @@ class MangaOnline(context: MangaLoaderContext) : PagedMangaParser(context, Manga
 
 	override val configKeyDomain = ConfigKey.Domain("mangaonline.biz")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/pt/MuitoHentai.kt

@@ -15,6 +15,13 @@ class MuitoHentai(context: MangaLoaderContext) : PagedMangaParser(context, Manga
 
 	override val configKeyDomain = ConfigKey.Domain("www.muitohentai.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/pt/OnePieceEx.kt

@@ -17,6 +17,13 @@ class OnePieceEx(context: MangaLoaderContext) : PagedMangaParser(context, MangaP
 
 	override val configKeyDomain = ConfigKey.Domain("onepieceex.net")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 		if (page > 1) return emptyList()
 		return listOf(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/pt/YugenMangas.kt

@@ -18,6 +18,13 @@ class YugenMangas(context: MangaLoaderContext) : PagedMangaParser(context, Manga
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.UPDATED, SortOrder.ALPHABETICAL)
 	override val configKeyDomain = ConfigKey.Domain("yugenapp.lat")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 
 		if (page > 1) {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/scan/ScanParser.kt

@@ -19,10 +19,17 @@ internal abstract class ScanParser(
 	domain: String,
 	pageSize: Int = 0,
 ) : PagedMangaParser(context, source, pageSize) {
+	override val configKeyDomain = ConfigKey.Domain(domain)
+
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	override val availableSortOrders: Set<SortOrder> =
 		EnumSet.of(SortOrder.ALPHABETICAL, SortOrder.UPDATED, SortOrder.POPULARITY, SortOrder.RATING)
-	override val configKeyDomain = ConfigKey.Domain(domain)
 
 	protected open val listUrl = "/manga"
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/sinmh/SinmhParser.kt

@@ -18,6 +18,13 @@ internal abstract class SinmhParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.UPDATED,
 		SortOrder.POPULARITY,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/tr/MangaAy.kt

@@ -20,6 +20,13 @@ class MangaAy(context: MangaLoaderContext) : PagedMangaParser(context, MangaPars
 
 	override val configKeyDomain = ConfigKey.Domain("manga-ay.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/tr/SadScans.kt

@@ -15,6 +15,13 @@ internal class SadScans(context: MangaLoaderContext) : MangaParser(context, Mang
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.ALPHABETICAL)
 	override val configKeyDomain = ConfigKey.Domain("sadscans.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override suspend fun getList(offset: Int, filter: MangaListFilter?): List<Manga> {
 		if (offset > 0) {
 			return emptyList()

src/main/kotlin/org/koitharu/kotatsu/parsers/site/tr/TrWebtoon.kt

@@ -17,6 +17,13 @@ class TrWebtoon(context: MangaLoaderContext) :
 
 	override val configKeyDomain: ConfigKey.Domain = ConfigKey.Domain("trwebtoon.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> =
 		EnumSet.of(SortOrder.POPULARITY, SortOrder.ALPHABETICAL, SortOrder.ALPHABETICAL_DESC, SortOrder.UPDATED)
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/tr/YaoiFlix.kt

@@ -16,6 +16,13 @@ class YaoiFlix(context: MangaLoaderContext) : PagedMangaParser(context, MangaPar
 
 	override val configKeyDomain = ConfigKey.Domain("www.yaoiflix.dev")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/uk/HentaiUkrParser.kt

@@ -40,6 +40,13 @@ class HentaiUkrParser(context: MangaLoaderContext) : MangaParser(context, MangaP
 
 	override val configKeyDomain: ConfigKey.Domain = ConfigKey.Domain("hentaiukr.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.NEWEST,
 	)

src/main/kotlin/org/koitharu/kotatsu/parsers/site/uk/HoneyMangaParser.kt

@@ -39,6 +39,13 @@ class HoneyMangaParser(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("honey-manga.com.ua")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.POPULARITY,
 		SortOrder.NEWEST,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/uk/MangaInUaParser.kt

@@ -24,6 +24,13 @@ class MangaInUaParser(context: MangaLoaderContext) : PagedMangaParser(
 
 	override val configKeyDomain: ConfigKey.Domain = ConfigKey.Domain("manga.in.ua")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported: Boolean = false
 
 	private val userHashRegex by lazy {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/vi/BlogTruyenParser.kt

@@ -1,7 +1,6 @@
 package org.koitharu.kotatsu.parsers.site.vi
 
 import androidx.collection.ArrayMap
-import okhttp3.Headers
 import org.json.JSONArray
 import org.jsoup.nodes.Document
 import org.jsoup.nodes.Element
@@ -25,9 +24,12 @@ class BlogTruyenParser(context: MangaLoaderContext) :
 	override val availableSortOrders: Set<SortOrder>
 		get() = EnumSet.of(SortOrder.UPDATED)
 
-	override val headers: Headers = Headers.Builder()
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
+
-		.build()
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	override val isMultipleTagsSupported = false
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/vi/LxManga.kt

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.parsers.site.vi
 
-import okhttp3.Headers
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.PagedMangaParser
@@ -27,9 +26,12 @@ internal class LxManga(context: MangaLoaderContext) : PagedMangaParser(context,
 
 	override val isMultipleTagsSupported = false
 
-	override val headers: Headers = Headers.Builder()
+	private val userAgentKey = ConfigKey.UserAgent(UserAgents.CHROME_DESKTOP)
-		.add("User-Agent", UserAgents.CHROME_DESKTOP)
+
-		.build()
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 		val url = buildString {

src/main/kotlin/org/koitharu/kotatsu/parsers/site/vi/Truyenqq.kt

@@ -19,6 +19,13 @@ internal class Truyenqq(context: MangaLoaderContext) : PagedMangaParser(context,
 
 	override val configKeyDomain = ConfigKey.Domain("truyenqqviet.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 
 		val url =

src/main/kotlin/org/koitharu/kotatsu/parsers/site/vi/YurinekoParser.kt

@@ -16,6 +16,13 @@ class YurinekoParser(context: MangaLoaderContext) : PagedMangaParser(context, Ma
 	override val configKeyDomain: ConfigKey.Domain
 		get() = ConfigKey.Domain("yurineko.net")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder>
 		get() = EnumSet.of(SortOrder.UPDATED)
 

src/main/kotlin/org/koitharu/kotatsu/parsers/site/vmp/VmpParser.kt

@@ -17,6 +17,13 @@ internal abstract class VmpParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.UPDATED)
 
 	override val isMultipleTagsSupported = false

src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/WpComicsParser.kt

@@ -26,6 +26,13 @@ internal abstract class WpComicsParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.UPDATED,
 		SortOrder.NEWEST,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/zeistmanga/ZeistMangaParser.kt

@@ -25,6 +25,13 @@ internal abstract class ZeistMangaParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(SortOrder.UPDATED)

src/main/kotlin/org/koitharu/kotatsu/parsers/site/zh/Baozimh.kt

@@ -23,6 +23,13 @@ internal class Baozimh(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("www.baozimh.com")
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val isMultipleTagsSupported = false
 
 	private val tagsMap = SuspendLazy(::parseTags)

src/main/kotlin/org/koitharu/kotatsu/parsers/site/zmanga/ZMangaParser.kt

@@ -21,6 +21,13 @@ internal abstract class ZMangaParser(
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
+
 	override val availableSortOrders: Set<SortOrder> = EnumSet.allOf(SortOrder::class.java)
 
 	override val availableStates: Set<MangaState> = EnumSet.of(MangaState.ONGOING, MangaState.FINISHED)