Baozimanhua: fix metadata, remove banner and add mirror preference (#11864)

* Baozimanhua: fix metadata and remove banner

* Baozimanhua: add preference to set mirror URL

* Baozimanhua: add changelog

* Baozimanhua: recycle banner bitmap

* Baozimanhua: update selector and URL

src/zh/baozimanhua/CHANGELOG.md

@@ -0,0 +1,18 @@
+## 1.2.4 (2022-05-14)
+
+- 图源名改为中文
+- 自动切除图片中的 banner
+- 在设置中可以选择镜像网址
+- 更新解析选择器和地址
+
+## 1.2.3 (2022-01-27)
+
+- 修复图片列表解析
+
+## 1.2.2 (2021-12-06)
+
+- (批量更改) 修复安卓 12 URL 跳转
+
+## 1.2.1 (2021-08-31)
+
+- 第一版

src/zh/baozimanhua/build.gradle

@@ -1,12 +1,11 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
-apply plugin: 'kotlinx-serialization'
 
 ext {
     extName = 'Baozimanhua'
     pkgNameSuffix = 'zh.baozimanhua'
     extClass = '.Baozimanhua'
-    extVersionCode = 3
+    extVersionCode = 4
 }
 
 apply from: "$rootDir/common.gradle"

src/zh/baozimanhua/convert_banner.py

@@ -0,0 +1,17 @@
+from base64 import b64encode
+
+with open('banner.jpg', 'rb') as f:
+    data = f.read()
+
+head = b'''\
+package eu.kanade.tachiyomi.extension.zh.baozimanhua
+
+const val BANNER_BASE64 = "\
+'''
+
+tail = b'"\n'
+
+with open('src/eu/kanade/tachiyomi/extension/zh/baozimanhua/BannerData.kt', 'wb') as f:
+    f.write(head)
+    f.write(b64encode(data))
+    f.write(tail)

src/zh/baozimanhua/src/eu/kanade/tachiyomi/extension/zh/baozimanhua/BannerInterceptor.kt

@@ -0,0 +1,84 @@
+package eu.kanade.tachiyomi.extension.zh.baozimanhua
+
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.util.Base64
+import okhttp3.Interceptor
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.Response
+import okhttp3.ResponseBody.Companion.toResponseBody
+import java.io.ByteArrayOutputStream
+import kotlin.math.abs
+
+class BannerInterceptor : Interceptor {
+    private val banner: Bitmap by lazy {
+        val buffer = Base64.decode(BANNER_BASE64, Base64.DEFAULT)
+        BitmapFactory.decodeByteArray(buffer, 0, buffer.size)
+    }
+    private val w by lazy { banner.width }
+    private val h by lazy { banner.height }
+    private val size by lazy { w * h }
+    private val bannerBuffer by lazy {
+        val buffer = IntArray(size)
+        banner.getPixels(buffer, 0, w, 0, 0, w, h)
+        banner.recycle()
+        buffer
+    }
+    private val threshold by lazy { w * h * 3 / 2 } // 0.5 per pixel per channel
+
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val url = chain.request().url.toString()
+        val response = chain.proceed(chain.request())
+        if (!url.endsWith(COMIC_IMAGE_SUFFIX)) return response
+        val body = response.body!!
+        val contentType = body.contentType()
+        val content = body.bytes()
+        val bitmap = BitmapFactory.decodeByteArray(content, 0, content.size)
+        val position = checkBanner(bitmap)
+        return if (position == null) {
+            response.newBuilder().body(content.toResponseBody(contentType)).build()
+        } else {
+            val result = Bitmap.createBitmap(
+                bitmap, 0,
+                when (position) {
+                    BannerPosition.TOP -> h
+                    BannerPosition.BOTTOM -> 0
+                },
+                bitmap.width, bitmap.height - h
+            )
+            val output = ByteArrayOutputStream()
+            result.compress(Bitmap.CompressFormat.JPEG, 90, output)
+            val responseBody = output.toByteArray().toResponseBody("image/jpeg".toMediaType())
+            response.newBuilder().body(responseBody).build()
+        }
+    }
+
+    private fun checkBanner(image: Bitmap): BannerPosition? {
+        if (image.width < w || image.height < h) return null
+        if ((image.width - w) % 2 != 0) return null
+        val pad = (image.width - w) / 2
+        val buf = IntArray(size)
+        image.getPixels(buf, 0, w, pad, 0, w, h) // top
+        if (isIdentical(bannerBuffer, buf)) return BannerPosition.TOP
+        image.getPixels(buf, 0, w, pad, image.height - h, w, h) // bottom
+        if (isIdentical(bannerBuffer, buf)) return BannerPosition.BOTTOM
+        return null
+    }
+
+    private fun isIdentical(a: IntArray, b: IntArray): Boolean {
+        var diff = 0
+        for (i in 0 until size) {
+            val pixel0 = a[i]
+            val pixel1 = b[i]
+            diff += abs((pixel0 and 0xFF) - (pixel1 and 0xFF))
+            diff += abs((pixel0 shr 8 and 0xFF) - (pixel1 shr 8 and 0xFF))
+            diff += abs((pixel0 shr 16 and 0xFF) - (pixel1 shr 16 and 0xFF))
+            if (diff > threshold) return false
+        }
+        return true
+    }
+
+    private enum class BannerPosition { TOP, BOTTOM }
+}
+
+const val COMIC_IMAGE_SUFFIX = "#baozi"

src/zh/baozimanhua/src/eu/kanade/tachiyomi/extension/zh/baozimanhua/Baozimanhua.kt

@@ -1,7 +1,11 @@
 package eu.kanade.tachiyomi.extension.zh.baozimanhua
 
+import android.app.Application
+import android.content.SharedPreferences
+import androidx.preference.PreferenceScreen
 import eu.kanade.tachiyomi.network.GET
 import eu.kanade.tachiyomi.network.asObservableSuccess
+import eu.kanade.tachiyomi.source.ConfigurableSource
 import eu.kanade.tachiyomi.source.model.Filter
 import eu.kanade.tachiyomi.source.model.FilterList
 import eu.kanade.tachiyomi.source.model.MangasPage
@@ -16,18 +20,27 @@ import okhttp3.Response
 import org.jsoup.nodes.Document
 import org.jsoup.nodes.Element
 import rx.Observable
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
 
-class Baozimanhua : ParsedHttpSource() {
+class Baozimanhua : ParsedHttpSource(), ConfigurableSource {
 
-    override val name = "Baozimanhua"
+    override val id = 5724751873601868259
 
-    override val baseUrl = "https://cn.baozimh.com"
+    override val name = "包子漫画"
+
+    private val preferences: SharedPreferences by lazy {
+        Injekt.get<Application>().getSharedPreferences("source_$id", 0x0000)
+    }
+
+    override val baseUrl = "https://${preferences.getString(MIRROR_PREF, MIRRORS[0])}"
 
     override val lang = "zh"
 
     override val supportsLatest = true
 
-    override val client: OkHttpClient = network.cloudflareClient
+    override val client: OkHttpClient = network.cloudflareClient.newBuilder()
+        .addNetworkInterceptor(BannerInterceptor()).build()
 
     override fun chapterListSelector(): String = "div.pure-g[id^=chapter] > div"
 
@@ -42,7 +55,7 @@ class Baozimanhua : ParsedHttpSource() {
 
     override fun chapterFromElement(element: Element): SChapter {
         return SChapter.create().apply {
-            url = element.select("a").attr("href").trim()
+            setUrlWithoutDomain(element.select("a").attr("href").trim())
             name = element.text()
         }
     }
@@ -51,7 +64,7 @@ class Baozimanhua : ParsedHttpSource() {
 
     override fun popularMangaFromElement(element: Element): SManga {
         return SManga.create().apply {
-            url = element.attr("href")!!.trim()
+            setUrlWithoutDomain(element.attr("href")!!.trim())
             title = element.attr("title")!!.trim()
             thumbnail_url = element.select("> amp-img").attr("src")!!.trim()
         }
@@ -59,7 +72,7 @@ class Baozimanhua : ParsedHttpSource() {
 
     override fun popularMangaNextPageSelector() = throw java.lang.UnsupportedOperationException("Not used.")
 
-    override fun popularMangaRequest(page: Int): Request = GET("https://www.baozimh.com/classify", headers)
+    override fun popularMangaRequest(page: Int): Request = GET("$baseUrl/classify", headers)
 
     override fun popularMangaParse(response: Response): MangasPage {
         val document = response.asJsoup()
@@ -104,8 +117,8 @@ class Baozimanhua : ParsedHttpSource() {
     }
 
     override fun pageListParse(document: Document): List<Page> {
-        val pages = document.select("section.comic-contain > amp-img").mapIndexed() { index, element ->
-            Page(index, imageUrl = element.attr("src").trim())
+        val pages = document.select(".comic-contain > .chapter-img > img").mapIndexed { index, element ->
+            Page(index, imageUrl = element.attr("data-src").trim() + COMIC_IMAGE_SUFFIX)
         }
         return pages
     }
@@ -301,7 +314,28 @@ class Baozimanhua : ParsedHttpSource() {
         )
     )
 
+    override fun setupPreferenceScreen(screen: PreferenceScreen) {
+        val mirrorPref = androidx.preference.ListPreference(screen.context).apply {
+            key = MIRROR_PREF
+            title = MIRROR_PREF_TITLE
+            entries = MIRRORS
+            entryValues = MIRRORS
+            summary = MIRROR_PREF_SUMMARY
+
+            setDefaultValue(MIRRORS[0])
+            setOnPreferenceChangeListener { _, newValue ->
+                preferences.edit().putString(MIRROR_PREF, newValue as String).commit()
+            }
+        }
+        screen.addPreference(mirrorPref)
+    }
+
     companion object {
         const val ID_SEARCH_PREFIX = "id:"
+
+        private const val MIRROR_PREF = "MIRROR"
+        private const val MIRROR_PREF_TITLE = "使用镜像网址"
+        private const val MIRROR_PREF_SUMMARY = "使用镜像网址。重启软件生效。"
+        private val MIRRORS = arrayOf("cn.baozimh.com", "cn.webmota.com")
     }
 }