cloudstream-extensions-hexated/SoraStream/src/main/kotlin/com/hexated/SoraUtils.kt

1570 lines
52 KiB
Kotlin

package com.hexated
import android.util.Base64
import com.hexated.DumpUtils.queryApi
import com.hexated.SoraStream.Companion.anilistAPI
import com.hexated.SoraStream.Companion.crunchyrollAPI
import com.hexated.SoraStream.Companion.filmxyAPI
import com.hexated.SoraStream.Companion.gdbot
import com.hexated.SoraStream.Companion.hdmovies4uAPI
import com.hexated.SoraStream.Companion.malsyncAPI
import com.hexated.SoraStream.Companion.tvMoviesAPI
import com.lagradost.cloudstream3.*
import com.lagradost.cloudstream3.APIHolder.getCaptchaToken
import com.lagradost.cloudstream3.APIHolder.unixTimeMS
import com.lagradost.cloudstream3.mvvm.logError
import com.lagradost.cloudstream3.utils.*
import com.lagradost.cloudstream3.utils.AppUtils.toJson
import com.lagradost.cloudstream3.utils.AppUtils.tryParseJson
import com.lagradost.nicehttp.NiceResponse
import com.lagradost.nicehttp.RequestBodyTypes
import com.lagradost.nicehttp.requestCreator
import kotlinx.coroutines.delay
import okhttp3.FormBody
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.RequestBody.Companion.toRequestBody
import org.jsoup.nodes.Document
import java.math.BigInteger
import java.net.*
import java.nio.charset.StandardCharsets
import java.security.*
import java.security.spec.PKCS8EncodedKeySpec
import java.security.spec.X509EncodedKeySpec
import java.text.SimpleDateFormat
import java.util.*
import javax.crypto.Cipher
import javax.crypto.spec.GCMParameterSpec
import javax.crypto.spec.IvParameterSpec
import javax.crypto.spec.SecretKeySpec
import kotlin.collections.ArrayList
import kotlin.math.min
var filmxyCookies: Map<String, String>? = null
var sfServer: String? = null
val encodedIndex = arrayOf(
"GamMovies",
"JSMovies",
"BlackMovies",
"CodexMovies",
"RinzryMovies",
"EdithxMovies",
"XtremeMovies",
"PapaonMovies[1]",
"PapaonMovies[2]",
"JmdkhMovies",
"RubyMovies",
"ShinobiMovies",
"VitoenMovies",
)
val lockedIndex = arrayOf(
"CodexMovies",
"EdithxMovies",
)
val mkvIndex = arrayOf(
"EdithxMovies",
"JmdkhMovies",
)
val untrimmedIndex = arrayOf(
"PapaonMovies[1]",
"PapaonMovies[2]",
"EdithxMovies",
)
val needRefererIndex = arrayOf(
"ShinobiMovies",
)
val ddomainIndex = arrayOf(
"RinzryMovies",
"ShinobiMovies"
)
val mimeType = arrayOf(
"video/x-matroska",
"video/mp4",
"video/x-msvideo"
)
fun Document.getMirrorLink(): String? {
return this.select("div.mb-4 a").randomOrNull()
?.attr("href")
}
fun Document.getMirrorServer(server: Int): String {
return this.select("div.text-center a:contains(Server $server)").attr("href")
}
suspend fun extractMirrorUHD(url: String, ref: String): String? {
var baseDoc = app.get(fixUrl(url, ref)).document
var downLink = baseDoc.getMirrorLink()
run lit@{
(1..2).forEach {
if (downLink != null) return@lit
val server = baseDoc.getMirrorServer(it.plus(1))
baseDoc = app.get(fixUrl(server, ref)).document
downLink = baseDoc.getMirrorLink()
}
}
return if (downLink?.contains("workers.dev") == true) downLink else base64Decode(
downLink?.substringAfter(
"download?url="
) ?: return null
)
}
suspend fun extractInstantUHD(url: String): String? {
val host = getBaseUrl(url)
val body = FormBody.Builder()
.addEncoded("keys", url.substringAfter("url="))
.build()
return app.post(
"$host/api", requestBody = body, headers = mapOf(
"x-token" to URI(url).host
), referer = "$host/"
).parsedSafe<Map<String, String>>()?.get("url")
}
suspend fun extractDirectUHD(url: String, niceResponse: NiceResponse): String? {
val document = niceResponse.document
val script = document.selectFirst("script:containsData(cf_token)")?.data() ?: return null
val actionToken = script.substringAfter("\"key\", \"").substringBefore("\");")
val cfToken = script.substringAfter("cf_token = \"").substringBefore("\";")
val body = FormBody.Builder()
.addEncoded("action", "direct")
.addEncoded("key", actionToken)
.addEncoded("action_token", cfToken)
.build()
val cookies = mapOf("PHPSESSID" to "${niceResponse.cookies["PHPSESSID"]}")
val direct = app.post(
url,
requestBody = body,
cookies = cookies,
referer = url,
headers = mapOf(
"x-token" to "driveleech.org"
)
).parsedSafe<Map<String, String>>()?.get("url")
return app.get(
direct ?: return null, cookies = cookies,
referer = url
).text.substringAfter("worker_url = '").substringBefore("';")
}
suspend fun extractBackupUHD(url: String): String? {
val resumeDoc = app.get(url)
val script = resumeDoc.document.selectFirst("script:containsData(FormData.)")?.data()
val ssid = resumeDoc.cookies["PHPSESSID"]
val baseIframe = getBaseUrl(url)
val fetchLink =
script?.substringAfter("fetch('")?.substringBefore("',")?.let { fixUrl(it, baseIframe) }
val token = script?.substringAfter("'token', '")?.substringBefore("');")
val body = FormBody.Builder()
.addEncoded("token", "$token")
.build()
val cookies = mapOf("PHPSESSID" to "$ssid")
val result = app.post(
fetchLink ?: return null,
requestBody = body,
headers = mapOf(
"Accept" to "*/*",
"Origin" to baseIframe,
"Sec-Fetch-Site" to "same-origin"
),
cookies = cookies,
referer = url
).text
return tryParseJson<UHDBackupUrl>(result)?.url
}
suspend fun extractGdbot(url: String): String? {
val headers = mapOf(
"Accept" to "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
)
val res = app.get(
"$gdbot/", headers = headers
)
val token = res.document.selectFirst("input[name=_token]")?.attr("value")
val cookiesSet = res.headers.filter { it.first == "set-cookie" }
val xsrf =
cookiesSet.find { it.second.contains("XSRF-TOKEN") }?.second?.substringAfter("XSRF-TOKEN=")
?.substringBefore(";")
val session =
cookiesSet.find { it.second.contains("gdtot_proxy_session") }?.second?.substringAfter("gdtot_proxy_session=")
?.substringBefore(";")
val cookies = mapOf(
"gdtot_proxy_session" to "$session",
"XSRF-TOKEN" to "$xsrf"
)
val requestFile = app.post(
"$gdbot/file", data = mapOf(
"link" to url,
"_token" to "$token"
), headers = headers, referer = "$gdbot/", cookies = cookies
).document
return requestFile.selectFirst("div.mt-8 a.float-right")?.attr("href")
}
suspend fun extractDirectDl(url: String): String? {
val iframe = app.get(url).document.selectFirst("li.flex.flex-col.py-6 a:contains(Direct DL)")
?.attr("href")
val request = app.get(iframe ?: return null)
val driveDoc = request.document
val token = driveDoc.select("section#generate_url").attr("data-token")
val uid = driveDoc.select("section#generate_url").attr("data-uid")
val ssid = request.cookies["PHPSESSID"]
val body =
"""{"type":"DOWNLOAD_GENERATE","payload":{"uid":"$uid","access_token":"$token"}}""".toRequestBody(
RequestBodyTypes.JSON.toMediaTypeOrNull()
)
val json = app.post(
"https://rajbetmovies.com/action", requestBody = body, headers = mapOf(
"Accept" to "application/json, text/plain, */*",
"Cookie" to "PHPSESSID=$ssid",
"X-Requested-With" to "xmlhttprequest"
), referer = request.url
).text
return tryParseJson<DirectDl>(json)?.download_url
}
suspend fun extractDrivebot(url: String): String? {
val iframeDrivebot =
app.get(url).document.selectFirst("li.flex.flex-col.py-6 a:contains(Drivebot)")
?.attr("href") ?: return null
return getDrivebotLink(iframeDrivebot)
}
suspend fun extractGdflix(url: String): String? {
val iframeGdflix =
if (!url.contains("gdflix")) app.get(url).document.selectFirst("li.flex.flex-col.py-6 a:contains(GDFlix Direct)")
?.attr("href") ?: return null else url
val base = getBaseUrl(iframeGdflix)
val req = app.get(iframeGdflix).document.selectFirst("script:containsData(replace)")?.data()
?.substringAfter("replace(\"")
?.substringBefore("\")")?.let {
app.get(fixUrl(it, base))
} ?: return null
val iframeDrivebot2 = req.document.selectFirst("a.btn.btn-outline-warning")?.attr("href")
return getDrivebotLink(iframeDrivebot2)
// val reqUrl = req.url
// val ssid = req.cookies["PHPSESSID"]
// val script = req.document.selectFirst("script:containsData(formData =)")?.data()
// val key = Regex("append\\(\"key\", \"(\\S+?)\"\\);").find(script ?: return null)?.groupValues?.get(1)
//
// val body = FormBody.Builder()
// .addEncoded("action", "direct")
// .addEncoded("key", "$key")
// .addEncoded("action_token", "cf_token")
// .build()
//
// val gdriveUrl = app.post(
// reqUrl, requestBody = body,
// cookies = mapOf("PHPSESSID" to "$ssid"),
// headers = mapOf(
// "x-token" to URI(reqUrl).host
// )
// ).parsedSafe<Gdflix>()?.url
//
// return getDirectGdrive(gdriveUrl ?: return null)
}
suspend fun getDrivebotLink(url: String?): String? {
val driveDoc = app.get(url ?: return null)
val ssid = driveDoc.cookies["PHPSESSID"]
val script = driveDoc.document.selectFirst("script:containsData(var formData)")?.data()
val baseUrl = getBaseUrl(url)
val token = script?.substringAfter("'token', '")?.substringBefore("');")
val link =
script?.substringAfter("fetch('")?.substringBefore("',").let { "$baseUrl$it" }
val body = FormBody.Builder()
.addEncoded("token", "$token")
.build()
val cookies = mapOf("PHPSESSID" to "$ssid")
val file = app.post(
link,
requestBody = body,
headers = mapOf(
"Accept" to "*/*",
"Origin" to baseUrl,
"Sec-Fetch-Site" to "same-origin"
),
cookies = cookies,
referer = url
).parsedSafe<DriveBotLink>()?.url ?: return null
return if (file.startsWith("http")) file else app.get(
fixUrl(
file,
baseUrl
)
).document.selectFirst("script:containsData(window.open)")
?.data()?.substringAfter("window.open('")?.substringBefore("')")
}
suspend fun extractOiya(url: String): String? {
return app.get(url).document.selectFirst("div.wp-block-button a")?.attr("href")
}
fun deobfstr(hash: String, index: String): String {
var result = ""
for (i in hash.indices step 2) {
val j = hash.substring(i, i + 2)
result += (j.toInt(16) xor index[(i / 2) % index.length].code).toChar()
}
return result
}
suspend fun extractCovyn(url: String?): Pair<String?, String?>? {
val request = session.get(url ?: return null, referer = "${tvMoviesAPI}/")
val filehosting = session.baseClient.cookieJar.loadForRequest(url.toHttpUrl())
.find { it.name == "filehosting" }?.value
val headers = mapOf(
"Accept" to "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
"Connection" to "keep-alive",
"Cookie" to "filehosting=$filehosting",
)
val iframe = request.document.findTvMoviesIframe()
delay(10500)
val request2 = session.get(
iframe ?: return null, referer = url, headers = headers
)
val iframe2 = request2.document.findTvMoviesIframe()
delay(10500)
val request3 = session.get(
iframe2 ?: return null, referer = iframe, headers = headers
)
val response = request3.document
val videoLink = response.selectFirst("button.btn.btn--primary")?.attr("onclick")
?.substringAfter("location = '")?.substringBefore("';")?.let {
app.get(
it, referer = iframe2, headers = headers
).url
}
val size = response.selectFirst("ul.row--list li:contains(Filesize) span:last-child")
?.text()
return Pair(videoLink, size)
}
suspend fun getDirectGdrive(url: String): String {
val fixUrl = if (url.contains("&export=download")) {
url
} else {
"https://drive.google.com/uc?id=${
Regex("(?:\\?id=|/d/)(\\S+)/").find("$url/")?.groupValues?.get(1)
}&export=download"
}
val doc = app.get(fixUrl).document
val form = doc.select("form#download-form").attr("action")
val uc = doc.select("input#uc-download-link").attr("value")
return app.post(
form, data = mapOf(
"uc-download-link" to uc
)
).url
}
suspend fun invokeSmashyFfix(
name: String,
url: String,
ref: String,
subtitleCallback: (SubtitleFile) -> Unit,
callback: (ExtractorLink) -> Unit,
) {
val json = app.get(url, referer = ref, headers = mapOf("X-Requested-With" to "XMLHttpRequest"))
.parsedSafe<SmashySources>()
json?.sourceUrls?.map {
M3u8Helper.generateM3u8(
"Smashy [$name]",
it,
""
).forEach(callback)
}
json?.subtitleUrls?.split(",")?.map { sub ->
val lang = "\\[(.*)]".toRegex().find(sub)?.groupValues?.get(1)
val subUrl = sub.replace("[$lang]", "").trim()
subtitleCallback.invoke(
SubtitleFile(
lang ?: return@map,
subUrl
)
)
}
}
suspend fun invokeSmashySu(
name: String,
url: String,
ref: String,
callback: (ExtractorLink) -> Unit,
) {
val json = app.get(url, referer = ref, headers = mapOf("X-Requested-With" to "XMLHttpRequest"))
.parsedSafe<SmashySources>()
json?.sourceUrls?.firstOrNull()?.removeSuffix(",")?.split(",")?.forEach { links ->
val quality = Regex("\\[(\\S+)]").find(links)?.groupValues?.getOrNull(1) ?: return@forEach
val trimmedLink = links.removePrefix("[$quality]").trim()
callback.invoke(
ExtractorLink(
"Smashy [$name]",
"Smashy [$name]",
trimmedLink,
"",
getQualityFromName(quality),
INFER_TYPE
)
)
}
}
suspend fun getDumpIdAndType(title: String?, year: Int?, season: Int?): Pair<String?, Int?> {
val res = tryParseJson<DumpQuickSearchData>(
queryApi(
"POST",
"${BuildConfig.DUMP_API}/search/searchWithKeyWord",
mapOf(
"searchKeyWord" to "$title",
"size" to "50",
)
)
)?.searchResults
val media = if (res?.size == 1) {
res.firstOrNull()
} else {
res?.find {
when (season) {
null -> {
it.name.equals(
title,
true
) && it.releaseTime == "$year" && it.domainType == 0
}
1 -> {
it.name?.contains(
"$title",
true
) == true && (it.releaseTime == "$year" || it.name.contains(
"Season $season",
true
)) && it.domainType == 1
}
else -> {
it.name?.contains(Regex("(?i)$title\\s?($season|${season.toRomanNumeral()}|Season\\s$season)")) == true && it.releaseTime == "$year" && it.domainType == 1
}
}
}
}
return media?.id to media?.domainType
}
suspend fun fetchDumpEpisodes(id: String, type: String, episode: Int?): EpisodeVo? {
return tryParseJson<DumpMediaDetail>(
queryApi(
"GET",
"${BuildConfig.DUMP_API}/movieDrama/get",
mapOf(
"category" to type,
"id" to id,
)
)
)?.episodeVo?.find {
it.seriesNo == (episode ?: 0)
}
}
suspend fun invokeDrivetot(
url: String,
tags: String? = null,
size: String? = null,
subtitleCallback: (SubtitleFile) -> Unit,
callback: (ExtractorLink) -> Unit,
) {
val res = app.get(url)
val data = res.document.select("form input").associate { it.attr("name") to it.attr("value") }
app.post(res.url, data = data, cookies = res.cookies).document.select("div.card-body a")
.apmap { ele ->
val href = base64Decode(ele.attr("href").substringAfterLast("/")).let {
if (it.contains("hubcloud.lol")) it.replace("hubcloud.lol", "hubcloud.in") else it
}
loadExtractor(href, "$hdmovies4uAPI/", subtitleCallback) { link ->
callback.invoke(
ExtractorLink(
link.source,
"${link.name} $tags [$size]",
link.url,
link.referer,
link.quality,
link.type,
link.headers,
link.extractorData
)
)
}
}
}
suspend fun bypassBqrecipes(url: String): String? {
var res = app.get(url)
var location = res.text.substringAfter(".replace('").substringBefore("');")
var cookies = res.cookies
res = app.get(location, cookies = cookies)
cookies = cookies + res.cookies
val document = res.document
location = document.select("form#recaptcha").attr("action")
val data =
document.select("form#recaptcha input").associate { it.attr("name") to it.attr("value") }
res = app.post(location, data = data, cookies = cookies)
location = res.document.selectFirst("a#messagedown")?.attr("href") ?: return null
cookies = (cookies + res.cookies).minus("var")
return app.get(location, cookies = cookies, allowRedirects = false).headers["location"]
}
suspend fun bypassOuo(url: String?): String? {
var res = session.get(url ?: return null)
run lit@{
(1..2).forEach { _ ->
if (res.headers["location"] != null) return@lit
val document = res.document
val nextUrl = document.select("form").attr("action")
val data = document.select("form input").mapNotNull {
it.attr("name") to it.attr("value")
}.toMap().toMutableMap()
val captchaKey =
document.select("script[src*=https://www.google.com/recaptcha/api.js?render=]")
.attr("src").substringAfter("render=")
val token = getCaptchaToken(url, captchaKey)
data["x-token"] = token ?: ""
res = session.post(
nextUrl,
data = data,
headers = mapOf("content-type" to "application/x-www-form-urlencoded"),
allowRedirects = false
)
}
}
return res.headers["location"]
}
suspend fun bypassFdAds(url: String?): String? {
val directUrl =
app.get(url ?: return null, verify = false).document.select("a#link").attr("href")
.substringAfter("/go/")
.let { base64Decode(it) }
val doc = app.get(directUrl, verify = false).document
val lastDoc = app.post(
doc.select("form#landing").attr("action"),
data = mapOf("go" to doc.select("form#landing input").attr("value")),
verify = false
).document
val json = lastDoc.select("form#landing input[name=newwpsafelink]").attr("value")
.let { base64Decode(it) }
val finalJson =
tryParseJson<FDAds>(json)?.linkr?.substringAfter("redirect=")?.let { base64Decode(it) }
return tryParseJson<Safelink>(finalJson)?.safelink
}
suspend fun bypassHrefli(url: String): String? {
fun Document.getFormUrl(): String {
return this.select("form#landing").attr("action")
}
fun Document.getFormData(): Map<String, String> {
return this.select("form#landing input").associate { it.attr("name") to it.attr("value") }
}
val host = getBaseUrl(url)
var res = app.get(url).document
var formUrl = res.getFormUrl()
var formData = res.getFormData()
res = app.post(formUrl, data = formData).document
formUrl = res.getFormUrl()
formData = res.getFormData()
res = app.post(formUrl, data = formData).document
val skToken = res.selectFirst("script:containsData(?go=)")?.data()?.substringAfter("?go=")
?.substringBefore("\"") ?: return null
val driveUrl = app.get(
"$host?go=$skToken", cookies = mapOf(
skToken to "${formData["_wp_http2"]}"
)
).document.selectFirst("meta[http-equiv=refresh]")?.attr("content")?.substringAfter("url=")
val path = app.get(driveUrl ?: return null).text.substringAfter("replace(\"")
.substringBefore("\")")
if (path == "/404") return null
return fixUrl(path, getBaseUrl(driveUrl))
}
suspend fun getTvMoviesServer(url: String, season: Int?, episode: Int?): Pair<String, String?>? {
val req = app.get(url)
if (!req.isSuccessful) return null
val doc = req.document
return if (season == null) {
doc.select("table.wp-block-table tr:last-child td:first-child").text() to
doc.selectFirst("table.wp-block-table tr a")?.attr("href").let { link ->
app.get(link ?: return null).document.select("div#text-url a")
.mapIndexed { index, element ->
element.attr("href") to element.parent()?.textNodes()?.getOrNull(index)
?.text()
}.filter { it.second?.contains("Subtitles", true) == false }
.map { it.first }
}.lastOrNull()
} else {
doc.select("div.vc_tta-panels div#Season-$season table.wp-block-table tr:last-child td:first-child")
.text() to
doc.select("div.vc_tta-panels div#Season-$season table.wp-block-table tr a")
.mapNotNull { ele ->
app.get(ele.attr("href")).document.select("div#text-url a")
.mapIndexed { index, element ->
element.attr("href") to element.parent()?.textNodes()
?.getOrNull(index)?.text()
}.find { it.second?.contains("Episode $episode", true) == true }?.first
}.lastOrNull()
}
}
suspend fun getSfServer() = sfServer ?: fetchSfServer().also { sfServer = it }
suspend fun fetchSfServer(): String {
return app.get("https://raw.githubusercontent.com/hexated/cloudstream-resources/main/sfmovies_server").text
}
suspend fun getFilmxyCookies(url: String) =
filmxyCookies ?: fetchFilmxyCookies(url).also { filmxyCookies = it }
suspend fun fetchFilmxyCookies(url: String): Map<String, String> {
val defaultCookies =
mutableMapOf("G_ENABLED_IDPS" to "google", "true_checker" to "1", "XID" to "1")
session.get(
url,
headers = mapOf(
"Accept" to "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8"
),
cookies = defaultCookies,
)
val phpsessid = session.baseClient.cookieJar.loadForRequest(url.toHttpUrl())
.first { it.name == "PHPSESSID" }.value
defaultCookies["PHPSESSID"] = phpsessid
val userNonce =
app.get(
"$filmxyAPI/login/?redirect_to=$filmxyAPI/",
cookies = defaultCookies
).document.select("script")
.find { it.data().contains("var userNonce") }?.data()?.let {
Regex("var\\suserNonce.*?\"(\\S+?)\";").find(it)?.groupValues?.get(1)
}
val cookieUrl = "${filmxyAPI}/wp-admin/admin-ajax.php"
session.post(
cookieUrl,
data = mapOf(
"action" to "guest_login",
"nonce" to "$userNonce",
),
headers = mapOf(
"X-Requested-With" to "XMLHttpRequest",
),
cookies = defaultCookies
)
val cookieJar = session.baseClient.cookieJar.loadForRequest(cookieUrl.toHttpUrl())
.associate { it.name to it.value }.toMutableMap()
return cookieJar.plus(defaultCookies)
}
fun Document.findTvMoviesIframe(): String? {
return this.selectFirst("script:containsData(var seconds)")?.data()?.substringAfter("href='")
?.substringBefore("'>")
}
//modified code from https://github.com/jmir1/aniyomi-extensions/blob/master/src/all/kamyroll/src/eu/kanade/tachiyomi/animeextension/all/kamyroll/AccessTokenInterceptor.kt
suspend fun getCrunchyrollToken(): CrunchyrollAccessToken {
val client = app.baseClient.newBuilder()
.proxy(Proxy(Proxy.Type.SOCKS, InetSocketAddress("cr-unblocker.us.to", 1080)))
.build()
Authenticator.setDefault(object : Authenticator() {
override fun getPasswordAuthentication(): PasswordAuthentication {
return PasswordAuthentication("crunblocker", "crunblocker".toCharArray())
}
})
val request = requestCreator(
method = "POST",
url = "$crunchyrollAPI/auth/v1/token",
headers = mapOf(
"User-Agent" to "Crunchyroll/3.26.1 Android/11 okhttp/4.9.2",
"Content-Type" to "application/x-www-form-urlencoded",
"Authorization" to "Basic ${BuildConfig.CRUNCHYROLL_BASIC_TOKEN}"
),
data = mapOf(
"refresh_token" to app.get(BuildConfig.CRUNCHYROLL_REFRESH_TOKEN).text,
"grant_type" to "refresh_token",
"scope" to "offline_access"
)
)
val token = tryParseJson<CrunchyrollToken>(client.newCall(request).execute().body.string())
val headers = mapOf("Authorization" to "${token?.tokenType} ${token?.accessToken}")
val cms =
app.get("$crunchyrollAPI/index/v2", headers = headers).parsedSafe<CrunchyrollToken>()?.cms
return CrunchyrollAccessToken(
token?.accessToken,
token?.tokenType,
cms?.bucket,
cms?.policy,
cms?.signature,
cms?.key_pair_id,
)
}
suspend fun getCrunchyrollId(aniId: String?): String? {
val query = """
query media(${'$'}id: Int, ${'$'}type: MediaType, ${'$'}isAdult: Boolean) {
Media(id: ${'$'}id, type: ${'$'}type, isAdult: ${'$'}isAdult) {
id
externalLinks {
id
site
url
type
}
}
}
""".trimIndent().trim()
val variables = mapOf(
"id" to aniId,
"isAdult" to false,
"type" to "ANIME",
)
val data = mapOf(
"query" to query,
"variables" to variables
).toJson().toRequestBody(RequestBodyTypes.JSON.toMediaTypeOrNull())
val externalLinks = app.post(anilistAPI, requestBody = data)
.parsedSafe<AnilistResponses>()?.data?.Media?.externalLinks
return (externalLinks?.find { it.site == "VRV" }
?: externalLinks?.find { it.site == "Crunchyroll" })?.url?.let {
app.get(it).url.substringAfter("/series/").substringBefore("/")
}
}
suspend fun getCrunchyrollIdFromMalSync(aniId: String?): String? {
val res = app.get("$malsyncAPI/mal/anime/$aniId").parsedSafe<MalSyncRes>()?.Sites
val vrv = res?.get("Vrv")?.map { it.value }?.firstOrNull()?.get("url")
val crunchyroll = res?.get("Vrv")?.map { it.value }?.firstOrNull()?.get("url")
val regex = Regex("series/(\\w+)/?")
return regex.find("$vrv")?.groupValues?.getOrNull(1)
?: regex.find("$crunchyroll")?.groupValues?.getOrNull(1)
}
suspend fun String.haveDub(referer: String) : Boolean {
return app.get(this,referer=referer).text.contains("TYPE=AUDIO")
}
suspend fun convertTmdbToAnimeId(
title: String?,
date: String?,
airedDate: String?,
type: TvType
): AniIds {
val sDate = date?.split("-")
val sAiredDate = airedDate?.split("-")
val year = sDate?.firstOrNull()?.toIntOrNull()
val airedYear = sAiredDate?.firstOrNull()?.toIntOrNull()
val season = getSeason(sDate?.get(1)?.toIntOrNull())
val airedSeason = getSeason(sAiredDate?.get(1)?.toIntOrNull())
return if (type == TvType.AnimeMovie) {
tmdbToAnimeId(title, airedYear, "", type)
} else {
val ids = tmdbToAnimeId(title, year, season, type)
if (ids.id == null && ids.idMal == null) tmdbToAnimeId(
title,
airedYear,
airedSeason,
type
) else ids
}
}
suspend fun tmdbToAnimeId(title: String?, year: Int?, season: String?, type: TvType): AniIds {
val query = """
query (
${'$'}page: Int = 1
${'$'}search: String
${'$'}sort: [MediaSort] = [POPULARITY_DESC, SCORE_DESC]
${'$'}type: MediaType
${'$'}season: MediaSeason
${'$'}seasonYear: Int
${'$'}format: [MediaFormat]
) {
Page(page: ${'$'}page, perPage: 20) {
media(
search: ${'$'}search
sort: ${'$'}sort
type: ${'$'}type
season: ${'$'}season
seasonYear: ${'$'}seasonYear
format_in: ${'$'}format
) {
id
idMal
}
}
}
""".trimIndent().trim()
val variables = mapOf(
"search" to title,
"sort" to "SEARCH_MATCH",
"type" to "ANIME",
"season" to season?.uppercase(),
"seasonYear" to year,
"format" to listOf(if (type == TvType.AnimeMovie) "MOVIE" else "TV")
).filterValues { value -> value != null && value.toString().isNotEmpty() }
val data = mapOf(
"query" to query,
"variables" to variables
).toJson().toRequestBody(RequestBodyTypes.JSON.toMediaTypeOrNull())
val res = app.post(anilistAPI, requestBody = data)
.parsedSafe<AniSearch>()?.data?.Page?.media?.firstOrNull()
return AniIds(res?.id, res?.idMal)
}
fun generateWpKey(r: String, m: String): String {
val rList = r.split("\\x").toTypedArray()
var n = ""
val decodedM = String(base64Decode(m.split("").reversed().joinToString("")).toCharArray())
for (s in decodedM.split("|")) {
n += "\\x" + rList[Integer.parseInt(s) + 1]
}
return n
}
suspend fun loadCustomTagExtractor(
tag: String? = null,
url: String,
referer: String? = null,
subtitleCallback: (SubtitleFile) -> Unit,
callback: (ExtractorLink) -> Unit,
quality: Int? = null,
) {
loadExtractor(url, referer, subtitleCallback) { link ->
callback.invoke(
ExtractorLink(
link.source,
"${link.name} $tag",
link.url,
link.referer,
when (link.type) {
ExtractorLinkType.M3U8 -> link.quality
else -> quality ?: link.quality
},
link.type,
link.headers,
link.extractorData
)
)
}
}
suspend fun loadCustomExtractor(
name: String? = null,
url: String,
referer: String? = null,
subtitleCallback: (SubtitleFile) -> Unit,
callback: (ExtractorLink) -> Unit,
quality: Int? = null,
) {
loadExtractor(url, referer, subtitleCallback) { link ->
callback.invoke(
ExtractorLink(
name ?: link.source,
name ?: link.name,
link.url,
link.referer,
when {
link.name == "VidSrc" -> Qualities.P1080.value
link.type == ExtractorLinkType.M3U8 -> link.quality
else -> quality ?: link.quality
},
link.type,
link.headers,
link.extractorData
)
)
}
}
fun getSeason(month: Int?): String? {
val seasons = arrayOf(
"Winter", "Winter", "Spring", "Spring", "Spring", "Summer",
"Summer", "Summer", "Fall", "Fall", "Fall", "Winter"
)
if (month == null) return null
return seasons[month - 1]
}
fun getEpisodeSlug(
season: Int? = null,
episode: Int? = null,
): Pair<String, String> {
return if (season == null && episode == null) {
"" to ""
} else {
(if (season!! < 10) "0$season" else "$season") to (if (episode!! < 10) "0$episode" else "$episode")
}
}
fun getTitleSlug(title: String? = null): Pair<String?, String?> {
val slug = title.createSlug()
return slug?.replace("-", "\\W") to title?.replace(" ", "_")
}
fun getIndexQuery(
title: String? = null,
year: Int? = null,
season: Int? = null,
episode: Int? = null
): String {
val (seasonSlug, episodeSlug) = getEpisodeSlug(season, episode)
return (if (season == null) {
"$title ${year ?: ""}"
} else {
"$title S${seasonSlug}E${episodeSlug}"
}).trim()
}
fun searchIndex(
title: String? = null,
season: Int? = null,
episode: Int? = null,
year: Int? = null,
response: String,
isTrimmed: Boolean = true,
): List<IndexMedia>? {
val files = tryParseJson<IndexSearch>(response)?.data?.files?.filter { media ->
matchingIndex(
media.name ?: return null,
media.mimeType ?: return null,
title ?: return null,
year,
season,
episode
)
}?.distinctBy { it.name }?.sortedByDescending { it.size?.toLongOrNull() ?: 0 } ?: return null
return if (isTrimmed) {
files.let { file ->
listOfNotNull(
file.find { it.name?.contains("2160p", true) == true },
file.find { it.name?.contains("1080p", true) == true }
)
}
} else {
files
}
}
fun matchingIndex(
mediaName: String?,
mediaMimeType: String?,
title: String?,
year: Int?,
season: Int?,
episode: Int?,
include720: Boolean = false
): Boolean {
val (wSlug, dwSlug) = getTitleSlug(title)
val (seasonSlug, episodeSlug) = getEpisodeSlug(season, episode)
return (if (season == null) {
mediaName?.contains(Regex("(?i)(?:$wSlug|$dwSlug).*$year")) == true
} else {
mediaName?.contains(Regex("(?i)(?:$wSlug|$dwSlug).*S${seasonSlug}.?E${episodeSlug}")) == true
}) && mediaName?.contains(
if (include720) Regex("(?i)(2160p|1080p|720p)") else Regex("(?i)(2160p|1080p)")
) == true && ((mediaMimeType in mimeType) || mediaName.contains(Regex("\\.mkv|\\.mp4|\\.avi")))
}
fun decodeIndexJson(json: String): String {
val slug = json.reversed().substring(24)
return base64Decode(slug.substring(0, slug.length - 20))
}
fun String.xorDecrypt(key: String): String {
val sb = StringBuilder()
var i = 0
while (i < this.length) {
var j = 0
while (j < key.length && i < this.length) {
sb.append((this[i].code xor key[j].code).toChar())
j++
i++
}
}
return sb.toString()
}
fun vidsrctoDecrypt(text: String): String {
val parse = Base64.decode(text.toByteArray(), Base64.URL_SAFE)
val cipher = Cipher.getInstance("RC4")
cipher.init(
Cipher.DECRYPT_MODE,
SecretKeySpec("8z5Ag5wgagfsOuhz".toByteArray(), "RC4"),
cipher.parameters
)
return decode(cipher.doFinal(parse).toString(Charsets.UTF_8))
}
fun String?.createSlug(): String? {
return this?.filter { it.isWhitespace() || it.isLetterOrDigit() }
?.trim()
?.replace("\\s+".toRegex(), "-")
?.lowercase()
}
fun getLanguage(str: String): String {
return if (str.contains("(in_ID)")) "Indonesian" else str
}
fun bytesToGigaBytes(number: Double): Double = number / 1024000000
fun getKisskhTitle(str: String?): String? {
return str?.replace(Regex("[^a-zA-Z\\d]"), "-")
}
fun String.getFileSize(): Float? {
val size = Regex("(?i)(\\d+\\.?\\d+\\sGB|MB)").find(this)?.groupValues?.get(0)?.trim()
val num = Regex("(\\d+\\.?\\d+)").find(size ?: return null)?.groupValues?.get(0)?.toFloat()
?: return null
return when {
size.contains("GB") -> num * 1000000
else -> num * 1000
}
}
fun getUhdTags(str: String?): String {
return Regex("\\d{3,4}[Pp]\\.?(.*?)\\[").find(str ?: "")?.groupValues?.getOrNull(1)
?.replace(".", " ")?.trim()
?: str ?: ""
}
fun getIndexQualityTags(str: String?, fullTag: Boolean = false): String {
return if (fullTag) Regex("(?i)(.*)\\.(?:mkv|mp4|avi)").find(str ?: "")?.groupValues?.get(1)
?.trim() ?: str ?: "" else Regex("(?i)\\d{3,4}[pP]\\.?(.*?)\\.(mkv|mp4|avi)").find(
str ?: ""
)?.groupValues?.getOrNull(1)
?.replace(".", " ")?.trim() ?: str ?: ""
}
fun getIndexQuality(str: String?): Int {
return Regex("(\\d{3,4})[pP]").find(str ?: "")?.groupValues?.getOrNull(1)?.toIntOrNull()
?: Qualities.Unknown.value
}
fun getIndexSize(str: String?): String? {
return Regex("(?i)([\\d.]+\\s*(?:gb|mb))").find(str ?: "")?.groupValues?.getOrNull(1)?.trim()
}
fun getQuality(str: String): Int {
return when (str) {
"360p" -> Qualities.P240.value
"480p" -> Qualities.P360.value
"720p" -> Qualities.P480.value
"1080p" -> Qualities.P720.value
"1080p Ultra" -> Qualities.P1080.value
else -> getQualityFromName(str)
}
}
fun getGMoviesQuality(str: String): Int {
return when {
str.contains("480P", true) -> Qualities.P480.value
str.contains("720P", true) -> Qualities.P720.value
str.contains("1080P", true) -> Qualities.P1080.value
str.contains("4K", true) -> Qualities.P2160.value
else -> Qualities.Unknown.value
}
}
fun getFDoviesQuality(str: String): String {
return when {
str.contains("1080P", true) -> "1080P"
str.contains("4K", true) -> "4K"
else -> ""
}
}
fun getVipLanguage(str: String): String {
return when (str) {
"in_ID" -> "Indonesian"
"pt" -> "Portuguese"
else -> str.split("_").first().let {
SubtitleHelper.fromTwoLettersToLanguage(it).toString()
}
}
}
fun fixCrunchyrollLang(language: String?): String? {
return SubtitleHelper.fromTwoLettersToLanguage(language ?: return null)
?: SubtitleHelper.fromTwoLettersToLanguage(language.substringBefore("-"))
}
fun getDeviceId(length: Int = 16): String {
val allowedChars = ('a'..'f') + ('0'..'9')
return (1..length)
.map { allowedChars.random() }
.joinToString("")
}
fun String.encodeUrl(): String {
val url = URL(this)
val uri = URI(url.protocol, url.userInfo, url.host, url.port, url.path, url.query, url.ref)
return uri.toURL().toString()
}
fun getBaseUrl(url: String): String {
return URI(url).let {
"${it.scheme}://${it.host}"
}
}
fun String.getHost(): String {
return fixTitle(URI(this).host.substringBeforeLast(".").substringAfterLast("."))
}
fun isUpcoming(dateString: String?): Boolean {
return try {
val format = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())
val dateTime = dateString?.let { format.parse(it)?.time } ?: return false
unixTimeMS < dateTime
} catch (t: Throwable) {
logError(t)
false
}
}
fun getDate(): TmdbDate {
val formatter = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())
val calender = Calendar.getInstance()
val today = formatter.format(calender.time)
calender.add(Calendar.WEEK_OF_YEAR, 1)
val nextWeek = formatter.format(calender.time)
return TmdbDate(today, nextWeek)
}
fun decode(input: String): String = URLDecoder.decode(input, "utf-8")
fun encode(input: String): String = URLEncoder.encode(input, "utf-8").replace("+", "%20")
fun base64DecodeAPI(api: String): String {
return api.chunked(4).map { base64Decode(it) }.reversed().joinToString("")
}
fun fixUrl(url: String, domain: String): String {
if (url.startsWith("http")) {
return url
}
if (url.isEmpty()) {
return ""
}
val startsWithNoHttp = url.startsWith("//")
if (startsWithNoHttp) {
return "https:$url"
} else {
if (url.startsWith('/')) {
return domain + url
}
return "$domain/$url"
}
}
fun Int.toRomanNumeral(): String = Symbol.closestBelow(this)
.let { symbol ->
if (symbol != null) {
"$symbol${(this - symbol.decimalValue).toRomanNumeral()}"
} else {
""
}
}
private enum class Symbol(val decimalValue: Int) {
I(1),
IV(4),
V(5),
IX(9),
X(10);
companion object {
fun closestBelow(value: Int) =
entries.toTypedArray()
.sortedByDescending { it.decimalValue }
.firstOrNull { value >= it.decimalValue }
}
}
// steal from https://github.com/aniyomiorg/aniyomi-extensions/blob/master/src/en/aniwave/src/eu/kanade/tachiyomi/animeextension/en/nineanime/AniwaveUtils.kt
// credits to @samfundev
object AniwaveUtils {
fun encodeVrf(input: String): String {
val rc4Key = SecretKeySpec("ysJhV6U27FVIjjuk".toByteArray(), "RC4")
val cipher = Cipher.getInstance("RC4")
cipher.init(Cipher.DECRYPT_MODE, rc4Key, cipher.parameters)
var vrf = cipher.doFinal(input.toByteArray())
vrf = Base64.encode(vrf, Base64.URL_SAFE or Base64.NO_WRAP)
vrf = Base64.encode(vrf, Base64.DEFAULT or Base64.NO_WRAP)
vrf = vrfShift(vrf)
vrf = Base64.encode(vrf, Base64.DEFAULT)
vrf = rot13(vrf)
val stringVrf = vrf.toString(Charsets.UTF_8)
return encode(stringVrf)
}
fun decodeVrf(input: String): String {
var vrf = input.toByteArray()
vrf = Base64.decode(vrf, Base64.URL_SAFE)
val rc4Key = SecretKeySpec("hlPeNwkncH0fq9so".toByteArray(), "RC4")
val cipher = Cipher.getInstance("RC4")
cipher.init(Cipher.DECRYPT_MODE, rc4Key, cipher.parameters)
vrf = cipher.doFinal(vrf)
return decode(vrf.toString(Charsets.UTF_8))
}
private fun rot13(vrf: ByteArray): ByteArray {
for (i in vrf.indices) {
val byte = vrf[i]
if (byte in 'A'.code..'Z'.code) {
vrf[i] = ((byte - 'A'.code + 13) % 26 + 'A'.code).toByte()
} else if (byte in 'a'.code..'z'.code) {
vrf[i] = ((byte - 'a'.code + 13) % 26 + 'a'.code).toByte()
}
}
return vrf
}
private fun vrfShift(vrf: ByteArray): ByteArray {
for (i in vrf.indices) {
val shift = arrayOf(-3, 3, -4, 2, -2, 5, 4, 5)[i % 8]
vrf[i] = vrf[i].plus(shift).toByte()
}
return vrf
}
}
object DumpUtils {
private val deviceId = getDeviceId()
suspend fun queryApi(method: String, url: String, params: Map<String, String>): String {
return app.custom(
method,
url,
requestBody = if (method == "POST") params.toJson()
.toRequestBody(RequestBodyTypes.JSON.toMediaTypeOrNull()) else null,
params = if (method == "GET") params else emptyMap(),
headers = createHeaders(params)
).parsedSafe<HashMap<String, String>>()?.get("data").let {
cryptoHandler(
it.toString(),
deviceId,
false
)
}
}
private fun createHeaders(
params: Map<String, String>,
currentTime: String = System.currentTimeMillis().toString(),
): Map<String, String> {
return mapOf(
"lang" to "en",
"currentTime" to currentTime,
"sign" to getSign(currentTime, params).toString(),
"aesKey" to getAesKey().toString(),
)
}
private fun cryptoHandler(
string: String,
secretKeyString: String,
encrypt: Boolean = true
): String {
val secretKey = SecretKeySpec(secretKeyString.toByteArray(), "AES")
val cipher = Cipher.getInstance("AES/ECB/PKCS5PADDING")
return if (!encrypt) {
cipher.init(Cipher.DECRYPT_MODE, secretKey)
String(cipher.doFinal(base64DecodeArray(string)))
} else {
cipher.init(Cipher.ENCRYPT_MODE, secretKey)
base64Encode(cipher.doFinal(string.toByteArray()))
}
}
private fun getAesKey(): String? {
val publicKey =
RSAEncryptionHelper.getPublicKeyFromString(BuildConfig.DUMP_KEY) ?: return null
return RSAEncryptionHelper.encryptText(deviceId, publicKey)
}
private fun getSign(currentTime: String, params: Map<String, String>): String? {
val chipper = listOf(
currentTime,
params.map { it.value }.reversed().joinToString("")
.let { base64Encode(it.toByteArray()) }).joinToString("")
val enc = cryptoHandler(chipper, deviceId)
return md5(enc)
}
private fun md5(input: String): String {
val md = MessageDigest.getInstance("MD5")
return BigInteger(1, md.digest(input.toByteArray())).toString(16).padStart(32, '0')
}
}
object RSAEncryptionHelper {
private const val RSA_ALGORITHM = "RSA"
private const val CIPHER_TYPE_FOR_RSA = "RSA/ECB/PKCS1Padding"
private val keyFactory = KeyFactory.getInstance(RSA_ALGORITHM)
private val cipher = Cipher.getInstance(CIPHER_TYPE_FOR_RSA)
fun getPublicKeyFromString(publicKeyString: String): PublicKey? =
try {
val keySpec =
X509EncodedKeySpec(Base64.decode(publicKeyString.toByteArray(), Base64.NO_WRAP))
keyFactory.generatePublic(keySpec)
} catch (exception: Exception) {
exception.printStackTrace()
null
}
fun getPrivateKeyFromString(privateKeyString: String): PrivateKey? =
try {
val keySpec =
PKCS8EncodedKeySpec(Base64.decode(privateKeyString.toByteArray(), Base64.DEFAULT))
keyFactory.generatePrivate(keySpec)
} catch (exception: Exception) {
exception.printStackTrace()
null
}
fun encryptText(plainText: String, publicKey: PublicKey): String? =
try {
cipher.init(Cipher.ENCRYPT_MODE, publicKey)
Base64.encodeToString(cipher.doFinal(plainText.toByteArray()), Base64.NO_WRAP)
} catch (exception: Exception) {
exception.printStackTrace()
null
}
fun decryptText(encryptedText: String, privateKey: PrivateKey): String? =
try {
cipher.init(Cipher.DECRYPT_MODE, privateKey)
String(cipher.doFinal(Base64.decode(encryptedText, Base64.DEFAULT)))
} catch (exception: Exception) {
exception.printStackTrace()
null
}
}
// code found on https://stackoverflow.com/a/63701411
/**
* Conforming with CryptoJS AES method
*/
// see https://gist.github.com/thackerronak/554c985c3001b16810af5fc0eb5c358f
@Suppress("unused", "FunctionName", "SameParameterValue")
object CryptoJS {
private const val KEY_SIZE = 256
private const val IV_SIZE = 128
private const val HASH_CIPHER = "AES/CBC/PKCS7Padding"
private const val AES = "AES"
private const val KDF_DIGEST = "MD5"
// Seriously crypto-js, what's wrong with you?
private const val APPEND = "Salted__"
/**
* Encrypt
* @param password passphrase
* @param plainText plain string
*/
fun encrypt(password: String, plainText: String): String {
val saltBytes = generateSalt(8)
val key = ByteArray(KEY_SIZE / 8)
val iv = ByteArray(IV_SIZE / 8)
EvpKDF(password.toByteArray(), KEY_SIZE, IV_SIZE, saltBytes, key, iv)
val keyS = SecretKeySpec(key, AES)
val cipher = Cipher.getInstance(HASH_CIPHER)
val ivSpec = IvParameterSpec(iv)
cipher.init(Cipher.ENCRYPT_MODE, keyS, ivSpec)
val cipherText = cipher.doFinal(plainText.toByteArray())
// Thanks kientux for this: https://gist.github.com/kientux/bb48259c6f2133e628ad
// Create CryptoJS-like encrypted!
val sBytes = APPEND.toByteArray()
val b = ByteArray(sBytes.size + saltBytes.size + cipherText.size)
System.arraycopy(sBytes, 0, b, 0, sBytes.size)
System.arraycopy(saltBytes, 0, b, sBytes.size, saltBytes.size)
System.arraycopy(cipherText, 0, b, sBytes.size + saltBytes.size, cipherText.size)
val bEncode = Base64.encode(b, Base64.NO_WRAP)
return String(bEncode)
}
/**
* Decrypt
* Thanks Artjom B. for this: http://stackoverflow.com/a/29152379/4405051
* @param password passphrase
* @param cipherText encrypted string
*/
fun decrypt(password: String, cipherText: String): String {
val ctBytes = Base64.decode(cipherText.toByteArray(), Base64.NO_WRAP)
val saltBytes = Arrays.copyOfRange(ctBytes, 8, 16)
val cipherTextBytes = Arrays.copyOfRange(ctBytes, 16, ctBytes.size)
val key = ByteArray(KEY_SIZE / 8)
val iv = ByteArray(IV_SIZE / 8)
EvpKDF(password.toByteArray(), KEY_SIZE, IV_SIZE, saltBytes, key, iv)
val cipher = Cipher.getInstance(HASH_CIPHER)
val keyS = SecretKeySpec(key, AES)
cipher.init(Cipher.DECRYPT_MODE, keyS, IvParameterSpec(iv))
val plainText = cipher.doFinal(cipherTextBytes)
return String(plainText)
}
private fun EvpKDF(
password: ByteArray,
keySize: Int,
ivSize: Int,
salt: ByteArray,
resultKey: ByteArray,
resultIv: ByteArray
): ByteArray {
return EvpKDF(password, keySize, ivSize, salt, 1, KDF_DIGEST, resultKey, resultIv)
}
@Suppress("NAME_SHADOWING")
private fun EvpKDF(
password: ByteArray,
keySize: Int,
ivSize: Int,
salt: ByteArray,
iterations: Int,
hashAlgorithm: String,
resultKey: ByteArray,
resultIv: ByteArray
): ByteArray {
val keySize = keySize / 32
val ivSize = ivSize / 32
val targetKeySize = keySize + ivSize
val derivedBytes = ByteArray(targetKeySize * 4)
var numberOfDerivedWords = 0
var block: ByteArray? = null
val hash = MessageDigest.getInstance(hashAlgorithm)
while (numberOfDerivedWords < targetKeySize) {
if (block != null) {
hash.update(block)
}
hash.update(password)
block = hash.digest(salt)
hash.reset()
// Iterations
for (i in 1 until iterations) {
block = hash.digest(block!!)
hash.reset()
}
System.arraycopy(
block!!, 0, derivedBytes, numberOfDerivedWords * 4,
min(block.size, (targetKeySize - numberOfDerivedWords) * 4)
)
numberOfDerivedWords += block.size / 4
}
System.arraycopy(derivedBytes, 0, resultKey, 0, keySize * 4)
System.arraycopy(derivedBytes, keySize * 4, resultIv, 0, ivSize * 4)
return derivedBytes // key + iv
}
private fun generateSalt(length: Int): ByteArray {
return ByteArray(length).apply {
SecureRandom().nextBytes(this)
}
}
}
object AESGCM {
fun ByteArray.decrypt(pass: String): String {
val (key, iv) = generateKeyAndIv(pass)
val cipher = Cipher.getInstance("AES/GCM/NoPadding")
cipher.init(Cipher.DECRYPT_MODE, SecretKeySpec(key, "AES"), GCMParameterSpec(128, iv))
return String(cipher.doFinal(this), StandardCharsets.UTF_8)
}
private fun generateKeyAndIv(pass: String): Pair<ByteArray, ByteArray> {
val datePart = getCurrentUTCDateString().take(16)
val hexString = datePart + pass
val byteArray = hexString.toByteArray(StandardCharsets.UTF_8)
val digest = MessageDigest.getInstance("SHA-256").digest(byteArray)
return digest.copyOfRange(0, digest.size / 2) to digest.copyOfRange(
digest.size / 2,
digest.size
)
}
private fun getCurrentUTCDateString(): String {
val dateFormat = SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.getDefault())
dateFormat.timeZone = TimeZone.getTimeZone("GMT")
return dateFormat.format(Date())
}
}