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kotatsu-parsers
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fix manga chapters list

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master
Naga 2 years ago
parent 81975977ad
commit 6d8d757798
2 changed files with 211 additions and 15 deletions
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2
build.gradle
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@ -5,6 +5,7 @@ plugins {
id 'org.jetbrains.kotlin.jvm' version '1.9.22'
id 'com.google.devtools.ksp' version '1.9.22-1.0.17'
id 'maven-publish'
id 'org.jetbrains.kotlin.plugin.serialization' version '1.9.22'
}
group = 'org.koitharu'
@ -59,6 +60,7 @@ dependencies {
api 'org.jsoup:jsoup:1.17.2'
implementation 'org.json:json:20231013'
implementation 'androidx.collection:collection:1.4.0'
implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.3"
ksp project(':kotatsu-parsers-ksp')

212
src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/ReaperComics.kt
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@ -1,18 +1,31 @@
package org.koitharu.kotatsu.parsers.site.en
import okhttp3.Headers
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.delay
import kotlinx.coroutines.withContext
import kotlinx.serialization.Serializable
import kotlinx.serialization.json.*
import okhttp3.*
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.RequestBody.Companion.toRequestBody
import org.json.JSONObject
import org.jsoup.Jsoup
import org.jsoup.nodes.Document
import org.koitharu.kotatsu.parsers.MangaLoaderContext
import org.koitharu.kotatsu.parsers.MangaSourceParser
import org.koitharu.kotatsu.parsers.PagedMangaParser
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.util.*
import org.koitharu.kotatsu.parsers.util.json.getStringOrNull
import java.text.DateFormat
import java.text.SimpleDateFormat
import java.util.Calendar
import java.util.EnumSet
import kotlin.random.Random
private const val TOO_MANY_REQUESTS = 429
private const val MAX_RETRY_COUNT = 3
@MangaSourceParser("REAPERCOMICS", "ReaperComics", "en")
internal class ReaperComics(context: MangaLoaderContext) :
@ -22,10 +35,31 @@ internal class ReaperComics(context: MangaLoaderContext) :
override val configKeyDomain = ConfigKey.Domain("reaperscans.com")
override val headers: Headers = Headers.Builder().add("User-Agent", UserAgents.CHROME_DESKTOP).build()
private val userAgentKey =
ConfigKey.UserAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36")
private val baseHeaders: Headers
get() = Headers.Builder().add("User-Agent", config[userAgentKey]).build()
override val headers
get() = getApiHeaders()
private val selectTotalChapter = "dl.mt-2 div:nth-child(5) > dd"
private val selectState = "dl.mt-2 div:nth-child(4) > dd"
private val searchCache = mutableSetOf<Manga>() // Cache search results
private val baseUrl = "https://reaperscans.com"
private fun getApiHeaders(): Headers {
val userCookie = context.cookieJar.getCookies(domain).find {
it.name == "user"
} ?: return baseHeaders
val jo = JSONObject(userCookie.value.urlDecode())
val accessToken = jo.getStringOrNull("access_token") ?: return baseHeaders
return baseHeaders.newBuilder().add("authorization", "bearer $accessToken").build()
}
override suspend fun getListPage(page: Int, filter: MangaListFilter?): List<Manga> {
val url = buildString {
append("https://")
@ -95,7 +129,6 @@ internal class ReaperComics(context: MangaLoaderContext) :
* Parse the list of manga from the given document
*
* @param docs the document to parse
* @param title the title to search for
* @return the list of manga
*/
private fun parseMangaList(docs: Document): List<Manga> {
@ -121,23 +154,115 @@ internal class ReaperComics(context: MangaLoaderContext) :
override suspend fun getAvailableTags(): Set<MangaTag> = emptySet()
private inline fun <reified T> Response.parseJson(): T = use {
it.body!!.string().parseJson()
}
private inline fun <reified T> String.parseJson(): T = json.decodeFromString(this)
companion object {
private val JSON_MEDIA_TYPE = "application/json; charset=utf-8".toMediaType()
}
private fun chapterListNextPageSelector(): String = "button[wire:click*=nextPage]"
private val json = Json {
ignoreUnknownKeys = true
}
private fun chapterListSelector() = "div[wire:id] > div > ul[role=list] > li"
override suspend fun getDetails(manga: Manga): Manga {
val doc = webClient.httpGet(manga.url.toAbsoluteUrl(domain)).parseHtml()
val doc = Jsoup.parse(webClient.httpGet(manga.url.toAbsoluteUrl(domain)).parseRaw())
val simpleDateFormat = SimpleDateFormat("dd/MM/yyyy", sourceLocale)
var totalChapters = (doc.selectFirst(selectTotalChapter)?.text()?.toIntOrNull() ?: 0) - 1
val chapters = mutableSetOf<MangaChapter>()
var hasNextPage = doc.selectFirst(chapterListNextPageSelector()) != null
chapters.addAll(
doc.select(chapterListSelector()).mapChapters { _, li ->
val a = li.selectFirstOrThrow("a")
val chapterUrl = a.attr("href").toRelativeUrl(domain)
MangaChapter(
id = generateUid(chapterUrl),
name = li.selectFirst("div.truncate p.truncate")?.text().orEmpty(),
number = totalChapters--,
url = chapterUrl,
scanlator = null,
uploadDate = parseChapterDate(
simpleDateFormat,
li.selectFirst("div.truncate div.items-center")?.text(),
),
branch = null,
source = source,
)
},
)
if (!hasNextPage) {
return manga.copy(
description = doc.selectFirst("div.p-4 p.prose")?.html(),
state = when (doc.selectFirst("dl.mt-2 div:contains(Status) dd")?.text()?.lowercase()) {
state = when (doc.selectFirst(selectState)?.text()?.lowercase()) {
"ongoing" -> MangaState.ONGOING
"complete" -> MangaState.FINISHED
else -> null
},
chapters = doc.select("div.p-2 div.pb-4 ul li").mapChapters(reversed = true) { i, li ->
chapters = chapters.reversed(),
)
}
val csrfToken = doc.selectFirst("meta[name=csrf-token]")?.attr("content") ?: error("Couldn't find csrf-token")
val livewareData = doc.selectFirst("div[wire:initial-data*=Models\\\\Comic]")?.attr("wire:initial-data")
?.parseJson<LiveWireDataDto>() ?: error("Couldn't find LiveWireData")
val routeName =
livewareData.fingerprint["name"]?.jsonPrimitive?.contentOrNull ?: error("Couldn't find routeName")
val fingerprint = livewareData.fingerprint
var serverMemo = livewareData.serverMemo
var pageToQuery = 2
// Javascript: (Math.random() + 1).toString(36).substring(8)
val generateId = { ->
"1.${
Random.nextLong().toString(36)
}".substring(10)
} // Not exactly the same, but results in a 3-5 character string
while (hasNextPage) {
val payload = buildJsonObject {
put("fingerprint", fingerprint)
put("serverMemo", serverMemo)
putJsonArray("updates") {
addJsonObject {
put("type", "callMethod")
putJsonObject("payload") {
put("id", generateId())
put("method", "gotoPage")
putJsonArray("params") {
add(pageToQuery)
add("page")
}
}
}
}
}.toString().toRequestBody(JSON_MEDIA_TYPE)
val headers = Headers.Builder().add("x-csrf-token", csrfToken).add("x-livewire", "true").build()
val responseData = makeRequest("$baseUrl/livewire/message/$routeName", payload, headers)
// response contains state that we need to preserve
serverMemo = serverMemo.mergeLeft(responseData.serverMemo)
val chaptersHtml = Jsoup.parse(responseData.effects.html, baseUrl)
chapters.addAll(
chaptersHtml.select(chapterListSelector()).mapChapters { _, li ->
val a = li.selectFirstOrThrow("a")
val chapterUrl = a.attrAsAbsoluteUrl("href").toRelativeUrl(domain)
val chapterUrl = a.attr("href").toRelativeUrl(domain)
MangaChapter(
id = generateUid(chapterUrl),
name = li.selectFirst("div.truncate p.truncate")?.text().orEmpty(),
number = i + 1,
number = totalChapters--,
url = chapterUrl,
scanlator = null,
uploadDate = parseChapterDate(
@ -149,6 +274,58 @@ internal class ReaperComics(context: MangaLoaderContext) :
)
},
)
hasNextPage = chaptersHtml.selectFirst(chapterListNextPageSelector()) != null
pageToQuery++
}
return manga.copy(
description = doc.selectFirst("div.p-4 p.prose")?.html(),
state = when (doc.selectFirst(selectState)?.text()?.lowercase()) {
"ongoing" -> MangaState.ONGOING
"complete" -> MangaState.FINISHED
else -> null
},
chapters = chapters.reversed(),
)
}
private suspend fun makeRequest(url: String, payload: RequestBody, headers: Headers): LiveWireResponseDto {
var retryCount = 0
var backoffDelay = 2000L // Initial delay (milliseconds)
val request = Request.Builder().url(url).post(payload).headers(headers).build()
while (true) {
try {
println(backoffDelay)
return context.httpClient.newCall(request).execute().parseJson<LiveWireResponseDto>()
} catch (e: Exception) {
// Log or handle the exception as needed
if (++retryCount <= MAX_RETRY_COUNT) {
withContext(Dispatchers.Default) {
delay(backoffDelay)
backoffDelay += 500L
}
} else {
throw e
}
}
}
}
/**
* Recursively merges j2 onto j1 in place
* If j1 and j2 both contain keys whose values aren't both jsonObjects, j2's value overwrites j1's
*
*/
private fun JsonObject.mergeLeft(j2: JsonObject): JsonObject = buildJsonObject {
val j1 = this@mergeLeft
j1.entries.forEach { (key, value) -> put(key, value) }
j2.entries.forEach { (key, value) ->
val j1Value = j1[key]
when {
j1Value !is JsonObject -> put(key, value)
value is JsonObject -> put(key, j1Value.mergeLeft(value))
}
}
}
private fun parseChapterDate(dateFormat: DateFormat, date: String?): Long {
@ -187,3 +364,20 @@ internal class ReaperComics(context: MangaLoaderContext) :
}
}
}
@Serializable
data class LiveWireResponseDto(
val effects: LiveWireEffectsDto,
val serverMemo: JsonObject,
)
@Serializable
data class LiveWireEffectsDto(
val html: String,
)
@Serializable
data class LiveWireDataDto(
val fingerprint: JsonObject,
val serverMemo: JsonObject,
)

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