Add Nyrax Manga (#3971)

* Add Nyrax Manga

* Set page url for Referer, actually set isNsfw

Co-authored-by: AwkwardPeak7 <48650614+AwkwardPeak7@users.noreply.github.com>

---------

Co-authored-by: AwkwardPeak7 <48650614+AwkwardPeak7@users.noreply.github.com>

src/en/nyraxmanga/build.gradle

@@ -0,0 +1,10 @@
+ext {
+    extName = 'Nyrax Manga'
+    extClass = '.NyraxManga'
+    themePkg = 'mangathemesia'
+    baseUrl = 'https://nyraxmanga.com'
+    overrideVersionCode = 0
+    isNsfw = false
+}
+
+apply from: "$rootDir/common.gradle"

src/en/nyraxmanga/src/eu/kanade/tachiyomi/extension/en/nyraxmanga/NyraxManga.kt

@@ -0,0 +1,42 @@
+package eu.kanade.tachiyomi.extension.en.nyraxmanga
+
+import android.util.Base64
+import eu.kanade.tachiyomi.multisrc.mangathemesia.MangaThemesia
+import eu.kanade.tachiyomi.source.model.Page
+import eu.kanade.tachiyomi.source.model.SManga
+import kotlinx.serialization.json.jsonArray
+import kotlinx.serialization.json.jsonPrimitive
+import org.jsoup.nodes.Document
+import java.lang.IllegalArgumentException
+
+class NyraxManga : MangaThemesia(
+    "Nyrax Manga",
+    "https://nyraxmanga.com",
+    "en",
+) {
+    override fun mangaDetailsParse(document: Document): SManga {
+        return super.mangaDetailsParse(document).apply {
+            // Add 'color' badge as a genre
+            if (document.selectFirst(".thumb .colored") != null) {
+                genre = genre?.plus(", Color")
+            }
+        }
+    }
+
+    override fun pageListParse(document: Document): List<Page> {
+        // "ts_reader.run({" in base64
+        val script = document.selectFirst("script[src^=data:text/javascript;base64,dHNfcmVhZGVyLnJ1bih7]")
+            ?: return super.pageListParse(document)
+        val data = Base64.decode(script.attr("src").substringAfter("base64,"), Base64.DEFAULT).toString(Charsets.UTF_8)
+        val imageListJson = JSON_IMAGE_LIST_REGEX.find(data)?.destructured?.toList()?.get(0).orEmpty()
+        val imageList = try {
+            json.parseToJsonElement(imageListJson).jsonArray
+        } catch (_: IllegalArgumentException) {
+            emptyList()
+        }
+
+        return imageList.mapIndexed { i, jsonEl ->
+            Page(i, document.location(), jsonEl.jsonPrimitive.content)
+        }
+    }
+}