Dynamic UserAgent support

src/main/kotlin/org/koitharu/kotatsu/parsers/MangaLoaderContext.kt

@@ -29,4 +29,6 @@ abstract class MangaLoaderContext {
 	abstract suspend fun evaluateJs(script: String): String?
 
 	abstract fun getConfig(source: MangaSource): MangaSourceConfig
+
+	abstract fun getDefaultUserAgent(): String
 }

src/main/kotlin/org/koitharu/kotatsu/parsers/MangaParser.kt

@@ -76,7 +76,7 @@ abstract class MangaParser @InternalParsersApi constructor(
 	abstract val configKeyDomain: ConfigKey.Domain
 
 	open val headers: Headers = Headers.Builder()
-		.add("User-Agent", UserAgents.DEFAULT_BROWSER)
+		.add("User-Agent", context.getDefaultUserAgent())
 		.build()
 
 	/**

src/main/kotlin/org/koitharu/kotatsu/parsers/network/UserAgents.kt

@@ -2,7 +2,6 @@ package org.koitharu.kotatsu.parsers.network
 
 object UserAgents {
 
-	@Deprecated("Issues with CloudFlare", replaceWith = ReplaceWith("UserAgents.DEFAULT_BROWSER"))
 	const val CHROME_MOBILE =
 		"Mozilla/5.0 (Linux; Android 13) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.196 Mobile Safari/537.36"
 
@@ -14,7 +13,4 @@ object UserAgents {
 	const val FIREFOX_DESKTOP = "Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/116.0"
 
 	const val KOTATSU = "Kotatsu/6.8 (Android 13;;; en)"
-
-
-	const val DEFAULT_BROWSER = FIREFOX_MOBILE
 }

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

@@ -24,10 +24,6 @@ internal class LegacyScansParser(context: MangaLoaderContext) :
 
 	override val configKeyDomain = ConfigKey.Domain("legacy-scans.com")
 
-	override val headers: Headers = Headers.Builder()
-		.add("User-Agent", UserAgents.DEFAULT_BROWSER)
-		.build()
-
 	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

@@ -20,10 +20,6 @@ internal class LireScan(context: MangaLoaderContext) : PagedMangaParser(context,
 
 	override val isMultipleTagsSupported = false
 
-	override val headers: Headers = Headers.Builder()
-		.add("User-Agent", UserAgents.DEFAULT_BROWSER)
-		.build()
-
 	override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
 
 		val doc =

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

@@ -8,7 +8,6 @@ import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.config.ConfigKey
 import org.koitharu.kotatsu.parsers.model.*
-import org.koitharu.kotatsu.parsers.network.UserAgents
 import org.koitharu.kotatsu.parsers.site.galleryadults.GalleryAdultsParser
 import org.koitharu.kotatsu.parsers.util.*
 import java.util.*
@@ -31,7 +30,7 @@ internal class NHentaiParser(context: MangaLoaderContext) :
 
 	override val isMultipleTagsSupported = true
 
-	private val userAgentKey = ConfigKey.UserAgent(UserAgents.DEFAULT_BROWSER)
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
 
 	override val headers: Headers
 		get() = super.headers.newBuilder()

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

@@ -12,7 +12,7 @@ import java.util.*
 internal class Shinigami(context: MangaLoaderContext) :
 	MadaraParser(context, MangaSource.SHINIGAMI, "shinigamitoon.com", 10) {
 
-	private val userAgentKey = ConfigKey.UserAgent(UserAgents.DEFAULT_BROWSER)
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
 	override val tagPrefix = "genre/"
 	override val listUrl = "series/"
 	override val sourceLocale: Locale = Locale.ENGLISH

src/main/kotlin/org/koitharu/kotatsu/parsers/site/ru/RemangaParser.kt

@@ -32,7 +32,7 @@ internal class RemangaParser(
 	context: MangaLoaderContext,
 ) : PagedMangaParser(context, MangaSource.REMANGA, PAGE_SIZE), MangaParserAuthProvider, Interceptor {
 
-	private val userAgentKey = ConfigKey.UserAgent(UserAgents.DEFAULT_BROWSER)
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
 
 	private val baseHeaders: Headers
 		get() = Headers.Builder()

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

@@ -26,7 +26,7 @@ class HentaiVNParser(context: MangaLoaderContext) : MangaParser(context, MangaSo
 	override val configKeyDomain: ConfigKey.Domain = ConfigKey.Domain("hentaivn.red", "hentaivn.autos", "hentaivn.tv")
 
 	// hentaivn has created 2 different interfaces for mobile and desktop, and Cloudflare detects whether it's mobile or not even with a desktop user agent.
-	override val headers: Headers = Headers.Builder().add("User-Agent", UserAgents.DEFAULT_BROWSER).build()
+	override val headers: Headers = Headers.Builder().add("User-Agent", UserAgents.CHROME_MOBILE).build()
 
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.UPDATED,

src/test/kotlin/org/koitharu/kotatsu/parsers/MangaLoaderContextMock.kt

@@ -6,6 +6,7 @@ import okhttp3.Request
 import okhttp3.Response
 import org.koitharu.kotatsu.parsers.config.MangaSourceConfig
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.network.UserAgents
 import org.koitharu.kotatsu.parsers.util.await
 import java.security.SecureRandom
 import java.security.cert.X509Certificate
@@ -42,6 +43,8 @@ internal object MangaLoaderContextMock : MangaLoaderContext() {
 		return SourceConfigMock()
 	}
 
+	override fun getDefaultUserAgent(): String = UserAgents.FIREFOX_MOBILE
+
 	suspend fun doRequest(url: String, source: MangaSource?): Response {
 		val request = Request.Builder()
 			.get()