lanraragi: FIX: 404 error when baseurl contains additional path (#9340)

src/all/lanraragi/build.gradle

@@ -1,7 +1,7 @@
 ext {
     extName = 'LANraragi'
     extClass = '.LANraragiFactory'
-    extVersionCode = 19
+    extVersionCode = 20
 }
 
 apply from: "$rootDir/common.gradle"

src/all/lanraragi/src/eu/kanade/tachiyomi/extension/all/lanraragi/LANraragi.kt

@@ -35,6 +35,7 @@ import rx.schedulers.Schedulers
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import java.io.IOException
+import java.net.URL
 import java.security.MessageDigest
 import kotlin.math.max
 
@@ -138,7 +139,12 @@ open class LANraragi(private val suffix: String = "") : ConfigurableSource, Unme
         val archivePage = json.decodeFromString<ArchivePage>(response.body.string())
 
         return archivePage.pages.mapIndexed { index, url ->
-            val uri = Uri.parse("${baseUrl}${url.trimStart('.')}")
+            var newUrl = url
+            val subPath = URL(baseUrl).path
+            if (!subPath.isNullOrEmpty()) {
+                newUrl = newUrl.replaceFirst(subPath, "")
+            }
+            val uri = Uri.parse("${baseUrl}${newUrl.trimStart('.')}")
             Page(index, uri.toString(), uri.toString(), uri)
         }
     }