From f602523d02d6eb0cc78e5e6abe154ae33bf42c292e24a42e1bece4dde3988394 Mon Sep 17 00:00:00 2001
From: yenru0 <yenru0604@gmail.com>
Date: Sat, 7 Mar 2026 23:58:53 +0900
Subject: [PATCH] Add viewer_data download

---
 .../yenru0/yrkaier/nue/data/NpiaDownloader.kt | 57 +++++++++++++------
 .../yenru0/yrkaier/nue/data/NpiaTest.kt       |  3 +-
 2 files changed, 41 insertions(+), 19 deletions(-)

diff --git a/composeApp/src/commonMain/kotlin/yenru0/yrkaier/nue/data/NpiaDownloader.kt b/composeApp/src/commonMain/kotlin/yenru0/yrkaier/nue/data/NpiaDownloader.kt
index 43449ee..c384c80 100644
--- a/composeApp/src/commonMain/kotlin/yenru0/yrkaier/nue/data/NpiaDownloader.kt
+++ b/composeApp/src/commonMain/kotlin/yenru0/yrkaier/nue/data/NpiaDownloader.kt
@@ -11,12 +11,18 @@ import io.ktor.client.request.request
 import io.ktor.client.request.setBody
 import io.ktor.client.statement.bodyAsText
 import io.ktor.http.HttpHeaders
+import io.ktor.http.contentLength
 import io.ktor.http.isSuccess
+import io.ktor.serialization.kotlinx.json.json
 import kotlinx.coroutines.delay
 import kotlinx.datetime.LocalDate
 import kotlinx.datetime.TimeZone
 import kotlinx.datetime.number
 import kotlinx.datetime.todayIn
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.jsonArray
+import kotlinx.serialization.json.jsonObject
+import kotlinx.serialization.json.jsonPrimitive
 import kotlin.time.Clock
 
 class NpiaDownloader {
@@ -31,12 +37,13 @@ class NpiaDownloader {
     }
 
     object Endpoints {
-        private const val BASE_URL = "https://novelpia.com"
+        const val BASE_URL = "https://novelpia.com"
         const val PROC_URL = "$BASE_URL/proc"
         const val LOGIN_URL = "$PROC_URL/login"
         const val LOGOUT_URL = "$PROC_URL/logout"
         const val EPISODE_LIST_URL = "$PROC_URL/episode_list"
         const val NOVEL_URL = "$BASE_URL/novel"
+        const val SCRIPT_URL = "$PROC_URL/viewer_data"
     }
 
     val client = HttpClient {
@@ -52,7 +59,11 @@ class NpiaDownloader {
         }
 
         install(ContentNegotiation) {
-
+            json(Json {
+                prettyPrint = true
+                isLenient = true
+                ignoreUnknownKeys = true
+            })
         }
     }
 
@@ -185,26 +196,38 @@ class NpiaDownloader {
     }
 
     suspend fun downloadEpisode(episodeId: Int): List<ScriptLineData> {
-        val res = client.request("https://novelpia.com/novel/viewer/$episodeId") {
+        val data = "size=14"
+        val res = client.post("${Endpoints.SCRIPT_URL}/$episodeId") {
             header(HttpHeaders.Cookie, "LOGINKEY=$loginkey")
+            header(HttpHeaders.Origin, Endpoints.BASE_URL)
+            header(HttpHeaders.ContentType, "application/x-www-form-urlencoded; charset=UTF-8")
+            header(HttpHeaders.Referrer, "${Endpoints.BASE_URL}/viewer/$episodeId")
+            setBody(data)
         }
+
         if (!res.status.isSuccess()) {
             throw Exception("Failed to fetch episode content: ${res.status}")
         }
-        println(res.bodyAsText())
-        return listOf()
-        val document = Ksoup.parse(res.bodyAsText())
-        val draw = document.select("#novel_drawing").first()!!;
-        val lines: List<ScriptLineData> = draw.select(".line").map {
-            val imgsel = it.select("img")
-            if (imgsel.isNotEmpty()) {
-                val imageUrl = imgsel[0].attr("abs:src").ifEmpty { imgsel[0].attr("src") }
-                ScriptLineData.Image(imageUrl)
-            } else {
-                ScriptLineData.Html(it.html())
-            }
-        }
 
-        return lines
+        val json = Json.parseToJsonElement(res.bodyAsText()).jsonObject
+
+        json["s"]!!.let { scriptJson ->
+            val lines = mutableListOf<ScriptLineData>()
+            for (line in scriptJson.jsonArray) {
+                val lineText = line.jsonObject["text"]!!.jsonPrimitive.content.replace("&nbsp;", " ").trimEnd().replace(Regex("<p style=\'height: 0px; width: 0px; overflow: hidden; opacity: 0; display: inline-block;\'>.*?</p>"), "")
+                if (lineText.startsWith("<img")) {
+                    val src = Ksoup.parse(lineText).selectFirst("img")?.attr("src") ?: continue
+
+                    lines.add(ScriptLineData.Image(src))
+                } else {
+
+                    lines.add(ScriptLineData.Html(lineText))
+                }
+            }
+
+
+
+            return lines
+        }
     }
 }
\ No newline at end of file
diff --git a/composeApp/src/commonTest/kotlin/yenru0/yrkaier/nue/data/NpiaTest.kt b/composeApp/src/commonTest/kotlin/yenru0/yrkaier/nue/data/NpiaTest.kt
index 0cc8be6..fe2853d 100644
--- a/composeApp/src/commonTest/kotlin/yenru0/yrkaier/nue/data/NpiaTest.kt
+++ b/composeApp/src/commonTest/kotlin/yenru0/yrkaier/nue/data/NpiaTest.kt
@@ -41,9 +41,8 @@ class NpiaTest {
              */
 
             val scripts = downloader.downloadEpisode(5221545)
-
             for (line in scripts) {
-                println(line)
+                println(line.toString())
             }
 
             downloader.logout()