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fix(lib/lycoris&lulu): small change v2

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This commit is contained in:
Hayanek 2025-03-26 01:43:41 +01:00
parent de4383ff6f
commit cfdcc6480a
1 changed files with 15 additions and 14 deletions
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29
lib/lulu-extractor/src/main/java/eu/kanade/tachiyomi/lib/luluextractor/LuluExtractor.kt
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@ -104,26 +104,27 @@ class LuluExtractor(private val client: OkHttpClient) {
object JavaScriptUnpacker { object JavaScriptUnpacker {
private val UNPACK_REGEX by lazy { private val UNPACK_REGEX by lazy {
Regex("""\}\('(.*)', *(\d+), *(\d+), *'(.*?)'\.split\('\|'\)""") Regex("""\}\('(.*)', *(\d+), *(\d+), *'(.*?)'\.split\('\|'\)""",
RegexOption.DOT_MATCHES_ALL)
} }
fun unpack(encodedJs: String): String? { fun unpack(encodedJs: String): String? {
val match = UNPACK_REGEX.find(encodedJs) ?: return null val match = UNPACK_REGEX.find(encodedJs) ?: return null
val (payload, radixStr, countStr, symtabStr) = match.destructured val (payload, radixStr, countStr, symtabStr) = match.destructured
val radix = radixStr.toIntOrNull() ?: return null val radix = radixStr.toIntOrNull() ?: return null
val count = countStr.toIntOrNull() ?: return null val count = countStr.toIntOrNull() ?: return null
val symtab = symtabStr.split('|') val symtab = symtabStr.split('|')
if (symtab.size != count) throw IllegalArgumentException("Invalid symtab size") if (symtab.size != count) throw IllegalArgumentException("Invalid symtab size")
val baseDict = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" val baseDict = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
.take(radix) .take(radix)
.withIndex() .withIndex()
.associate { it.value to it.index } .associate { it.value to it.index }
return Regex("""\b\w+\b""").replace(payload) { mr -> return Regex("""\b\w+\b""").replace(payload) { mr ->
symtab.getOrNull(unbase(mr.value, radix, baseDict)) ?: mr.value symtab.getOrNull(unbase(mr.value, radix, baseDict)) ?: mr.value
}.replace("\\", "") }.replace("\\", "")
} }
private fun unbase(value: String, radix: Int, dict: Map<Char, Int>): Int { private fun unbase(value: String, radix: Int, dict: Map<Char, Int>): Int {