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Emerald: handle obfuscated image URLs (fixes #4524)

This commit is contained in:
arkon 2020-10-24 23:09:32 -04:00
parent 6e3141397a
commit 245e3f0d7e
2 changed files with 39 additions and 11 deletions
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2
src/all/emerald/build.gradle
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@ -5,7 +5,7 @@ ext {
extName = 'Emerald'
pkgNameSuffix = 'all.emerald'
extClass = '.EmeraldFactory'
extVersionCode = 2
extVersionCode = 3
libVersion = '1.2'
}

48
src/all/emerald/src/eu/kanade/tachiyomi/extension/all/emerald/Emerald.kt
View File

@ -1,5 +1,6 @@
package eu.kanade.tachiyomi.extension.all.emerald
import com.squareup.duktape.Duktape
import eu.kanade.tachiyomi.network.GET
import eu.kanade.tachiyomi.source.model.Filter
import eu.kanade.tachiyomi.source.model.FilterList
@ -10,6 +11,7 @@ import eu.kanade.tachiyomi.source.online.ParsedHttpSource
import okhttp3.HttpUrl
import okhttp3.OkHttpClient
import okhttp3.Request
import org.json.JSONArray
import org.json.JSONObject
import org.jsoup.nodes.Document
import org.jsoup.nodes.Element
@ -34,7 +36,7 @@ open class Emerald(
return GET("$baseUrl/browse?langs=$Mtlang&sort=update&page=$page")
}
override fun latestUpdatesSelector() = "div#series-list div.col-24"
override fun latestUpdatesSelector() = "div#series-list div.col"
override fun latestUpdatesFromElement(element: Element): SManga {
val manga = SManga.create()
@ -265,22 +267,48 @@ open class Emerald(
override fun pageListParse(document: Document): List<Page> {
val pages = mutableListOf<Page>()
val script = document.select("script").html()
.substringAfter("var images = ").substringBefore(";")
val imgJson = JSONObject(script)
val imgNames = imgJson.names()
if (imgNames != null) {
for (i in 0 until imgNames.length()) {
val imgKey = imgNames.getString(i)
val imgUrl = imgJson.getString(imgKey)
pages.add(Page(i, "", imgUrl))
val script = document.select("script").html()
if (script.contains("var images =")) {
val imgJson = JSONObject(script.substringAfter("var images = ").substringBefore(";"))
val imgNames = imgJson.names()
if (imgNames != null) {
for (i in 0 until imgNames.length()) {
val imgKey = imgNames.getString(i)
val imgUrl = imgJson.getString(imgKey)
pages.add(Page(i, "", imgUrl))
}
}
} else if (script.contains("const server =")) {
val duktape = Duktape.create()
val encryptedServer = script.substringAfter("const server = ").substringBefore(";")
val batojs = duktape.evaluate(script.substringAfter("const batojs = ").substringBefore(";")).toString()
val decryptScript = cryptoJS + "CryptoJS.AES.decrypt($encryptedServer, \"$batojs\").toString(CryptoJS.enc.Utf8);"
val server = duktape.evaluate(decryptScript).toString().replace("\"", "")
duktape.close()
val imgArray = JSONArray(script.substringAfter("const images = ").substringBefore(";"))
if (imgArray != null) {
for (i in 0 until imgArray.length()) {
val imgUrl = imgArray.get(i)
pages.add(Page(i, "", "https:${server}$imgUrl"))
}
}
}
return pages
}
private val cryptoJS by lazy {
client.newCall(
GET(
"https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/crypto-js.min.js",
headers
)
).execute().body()!!.string()
}
override fun imageUrlParse(document: Document): String = throw UnsupportedOperationException("Not used")
private class AuthorFilter : Filter.Text("Author / Artist")