87 lines
2.6 KiB
Kotlin
87 lines
2.6 KiB
Kotlin
/*
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* Copyright 2019 tom5079
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package xyz.quaver.hitomi
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import kotlinx.serialization.json.Json
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import kotlinx.serialization.json.JsonConfiguration
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import kotlinx.serialization.list
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import java.net.URL
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const val protocol = "https:"
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fun getGalleryInfo(galleryID: Int): List<GalleryInfo> {
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return Json(JsonConfiguration.Stable).parse(
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GalleryInfo.serializer().list,
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Regex("""\[.+]""").find(
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URL("$protocol//$domain/galleries/$galleryID.js").readText()
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)?.value ?: "[]"
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)
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}
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//common.js
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var adapose = false
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const val numberOfFrontends = 3
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const val domain = "ltn.hitomi.la"
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const val galleryblockdir = "galleryblock"
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const val nozomiextension = ".nozomi"
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fun subdomainFromGalleryID(g: Int) : String {
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if (adapose)
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return "0"
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val o = g % numberOfFrontends
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return (97+o).toChar().toString()
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}
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fun subdomainFromURL(url: String, base: String? = null) : String {
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var retval = "a"
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if (!base.isNullOrBlank())
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retval = base
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val b = 16
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val r = Regex("""/[0-9a-f]/([0-9a-f]{2})/""")
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val m = r.find(url) ?: return retval
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val g = m.groupValues[1].toIntOrNull(b) ?: return retval
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retval = subdomainFromGalleryID(g) + retval
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return retval
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}
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fun urlFromURL(url: String, base: String? = null) : String {
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return url.replace(Regex("""//..?\.hitomi\.la/"""), "//${subdomainFromURL(url, base)}.hitomi.la/")
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}
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fun fullPathFromHash(hash: String?) : String? {
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return when {
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(hash?.length ?: 0) < 3 -> hash
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else -> hash!!.replace(Regex("^.*(..)(.)$"), "$2/$1/$hash")
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}
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}
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@Suppress("NAME_SHADOWING", "UNUSED_PARAMETER")
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fun urlFromHash(galleryID: Int, image: GalleryInfo, dir: String? = null, ext: String? = null) : String {
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val ext = ext ?: dir ?: image.name.split('.').last()
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val dir = dir ?: "images"
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return "$protocol//a.hitomi.la/$dir/${fullPathFromHash(image.hash)}.$ext"
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}
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fun urlFromUrlFromHash(galleryID: Int, image: GalleryInfo, dir: String? = null, ext: String? = null, base: String? = null) =
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urlFromURL(urlFromHash(galleryID, image, dir, ext), base) |