271 lines
9.5 KiB
Kotlin
271 lines
9.5 KiB
Kotlin
package com.lagradost.cloudstream3.extractors
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import com.lagradost.cloudstream3.app
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import com.lagradost.cloudstream3.utils.ExtractorApi
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import com.lagradost.cloudstream3.utils.ExtractorLink
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import com.lagradost.cloudstream3.utils.M3u8Helper.Companion.generateM3u8
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import kotlinx.coroutines.delay
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import java.math.BigInteger
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class VideovardSX : WcoStream() {
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override var mainUrl = "https://videovard.sx"
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}
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open class VideoVard : ExtractorApi() {
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override var name = "Videovard" // Cause works for animekisa and wco
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override var mainUrl = "https://videovard.to"
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override val requiresReferer = false
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//The following code was extracted from https://github.com/saikou-app/saikou/blob/main/app/src/main/java/ani/saikou/parsers/anime/extractors/VideoVard.kt
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override suspend fun getUrl(url: String, referer: String?): List<ExtractorLink> {
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val id = url.substringAfter("e/").substringBefore("/")
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val sources = mutableListOf<ExtractorLink>()
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val hash = app.get("$mainUrl/api/make/download/$id").parsed<HashResponse>()
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delay(11_000)
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val resm3u8 = app.post(
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"$mainUrl/api/player/setup",
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mapOf("Referer" to "$mainUrl/"),
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data = mapOf(
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"cmd" to "get_stream",
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"file_code" to id,
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"hash" to hash.hash!!
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)
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).parsed<SetupResponse>()
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val m3u8 = decode(resm3u8.src!!, resm3u8.seed)
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sources.addAll(
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generateM3u8(
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name,
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m3u8,
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mainUrl,
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headers = mapOf("Referer" to mainUrl)
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)
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)
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return sources
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}
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companion object {
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private val big0 = 0.toBigInteger()
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private val big3 = 3.toBigInteger()
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private val big4 = 4.toBigInteger()
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private val big15 = 15.toBigInteger()
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private val big16 = 16.toBigInteger()
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private val big255 = 255.toBigInteger()
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private fun decode(dataFile: String, seed: String): String {
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val dataSeed = replace(seed)
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val newDataSeed = binaryDigest(dataSeed)
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val newDataFile = bytes2blocks(ascii2bytes(dataFile))
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var list = listOf(1633837924, 1650680933).map { it.toBigInteger() }
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val xorList = mutableListOf<BigInteger>()
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for (i in newDataFile.indices step 2) {
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val temp = newDataFile.slice(i..i + 1)
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xorList += xorBlocks(list, tearDecode(temp, newDataSeed))
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list = temp
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}
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val result = replace(unPad(blocks2bytes(xorList)).map { it.toInt().toChar() }.joinToString(""))
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return padLastChars(result)
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}
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private fun binaryDigest(input: String): List<BigInteger> {
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val keys = listOf(1633837924, 1650680933, 1667523942, 1684366951).map { it.toBigInteger() }
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var list1 = keys.slice(0..1)
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var list2 = list1
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val blocks = bytes2blocks(digestPad(input))
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for (i in blocks.indices step 4) {
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list1 = tearCode(xorBlocks(blocks.slice(i..i + 1), list1), keys).toMutableList()
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list2 = tearCode(xorBlocks(blocks.slice(i + 2..i + 3), list2), keys).toMutableList()
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val temp = list1[0]
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list1[0] = list1[1]
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list1[1] = list2[0]
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list2[0] = list2[1]
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list2[1] = temp
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}
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return listOf(list1[0], list1[1], list2[0], list2[1])
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}
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private fun tearDecode(a90: List<BigInteger>, a91: List<BigInteger>): MutableList<BigInteger> {
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var (a95, a96) = a90
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var a97 = (-957401312).toBigInteger()
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for (_i in 0 until 32) {
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a96 -= ((((a95 shl 4) xor rShift(a95, 5)) + a95) xor (a97 + a91[rShift(a97, 11).and(3.toBigInteger()).toInt()]))
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a97 += 1640531527.toBigInteger()
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a95 -= ((((a96 shl 4) xor rShift(a96, 5)) + a96) xor (a97 + a91[a97.and(3.toBigInteger()).toInt()]))
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}
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return mutableListOf(a95, a96)
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}
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private fun digestPad(string: String): List<BigInteger> {
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val empList = mutableListOf<BigInteger>()
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val length = string.length
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val extra = big15 - (length.toBigInteger() % big16)
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empList.add(extra)
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for (i in 0 until length) {
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empList.add(string[i].code.toBigInteger())
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}
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for (i in 0 until extra.toInt()) {
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empList.add(big0)
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}
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return empList
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}
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private fun bytes2blocks(a22: List<BigInteger>): List<BigInteger> {
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val empList = mutableListOf<BigInteger>()
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val length = a22.size
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var listIndex = 0
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for (i in 0 until length) {
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val subIndex = i % 4
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val shiftedByte = a22[i] shl (3 - subIndex) * 8
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if (subIndex == 0) {
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empList.add(shiftedByte)
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} else {
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empList[listIndex] = empList[listIndex] or shiftedByte
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}
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if (subIndex == 3) listIndex += 1
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}
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return empList
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}
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private fun blocks2bytes(inp: List<BigInteger>): List<BigInteger> {
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val tempList = mutableListOf<BigInteger>()
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inp.indices.forEach { i ->
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tempList += (big255 and rShift(inp[i], 24))
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tempList += (big255 and rShift(inp[i], 16))
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tempList += (big255 and rShift(inp[i], 8))
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tempList += (big255 and inp[i])
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}
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return tempList
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}
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private fun unPad(a46: List<BigInteger>): List<BigInteger> {
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val evenOdd = a46[0].toInt().mod(2)
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return (1 until (a46.size - evenOdd)).map {
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a46[it]
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}
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}
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private fun xorBlocks(a76: List<BigInteger>, a77: List<BigInteger>): List<BigInteger> {
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return listOf(a76[0] xor a77[0], a76[1] xor a77[1])
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}
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private fun rShift(input: BigInteger, by: Int): BigInteger {
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return (input.mod(4294967296.toBigInteger()) shr by)
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}
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private fun tearCode(list1: List<BigInteger>, list2: List<BigInteger>): MutableList<BigInteger> {
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var a1 = list1[0]
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var a2 = list1[1]
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var temp = big0
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for (_i in 0 until 32) {
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a1 += (a2 shl 4 xor rShift(a2, 5)) + a2 xor temp + list2[(temp and big3).toInt()]
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temp -= 1640531527.toBigInteger()
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a2 += (a1 shl 4 xor rShift(a1, 5)) + a1 xor temp + list2[(rShift(temp, 11) and big3).toInt()]
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}
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return mutableListOf(a1, a2)
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}
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private fun ascii2bytes(input: String): List<BigInteger> {
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val abc = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"
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val abcMap = abc.mapIndexed { i, c -> c to i.toBigInteger() }.toMap()
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var index = -1
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val length = input.length
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var listIndex = 0
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val bytes = mutableListOf<BigInteger>()
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while (true) {
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for (i in input) {
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if (abc.contains(i)) {
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index++
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break
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}
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}
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bytes.add((abcMap[input.getOrNull(index)?:return bytes]!! * big4))
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while (true) {
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index++
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if (abc.contains(input[index])) {
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break
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}
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}
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var temp = abcMap[input[index]]!!
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bytes[listIndex] = bytes[listIndex] or rShift(temp, 4)
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listIndex++
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temp = (big15.and(temp))
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if ((temp == big0) && (index == (length - 1))) return bytes
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bytes.add((temp * big4 * big4))
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while (true) {
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index++
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if (index >= length) return bytes
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if (abc.contains(input[index])) break
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}
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temp = abcMap[input[index]]!!
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bytes[listIndex] = bytes[listIndex] or rShift(temp, 2)
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listIndex++
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temp = (big3 and temp)
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if ((temp == big0) && (index == (length - 1))) {
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return bytes
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}
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bytes.add((temp shl 6))
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for (i in input) {
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index++
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if (abc.contains(input[index])) {
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break
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}
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}
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bytes[listIndex] = bytes[listIndex] or abcMap[input[index]]!!
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listIndex++
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}
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}
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private fun replace(a: String): String {
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val map = mapOf(
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'0' to '5',
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'1' to '6',
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'2' to '7',
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'5' to '0',
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'6' to '1',
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'7' to '2'
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)
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var b = ""
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a.forEach {
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b += if (map.containsKey(it)) map[it] else it
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}
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return b
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}
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private fun padLastChars(input:String):String{
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return if(input.reversed()[3].isDigit()) input
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else input.dropLast(4)
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}
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private data class HashResponse(
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val hash: String? = null,
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val version:String? = null
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)
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private data class SetupResponse(
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val seed: String,
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val src: String?=null,
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val link:String?=null
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)
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}
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} |