New source: all/Hentai Cafe (#534)

* feat: Create HentaiCafe base

* feat: Implement popular manga page

* feat: Implement latest updates page

* feat: Implement search page

* feat: Implement manga details page

* feat: Add single-chapter page

* feat: Parse chapter pages

* chore: Add rate-limit to images CDN

* chore: Add source icon

src/all/hentaicafe/AndroidManifest.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application>
+        <activity
+            android:name=".all.hentaicafe.HentaiCafeUrlActivity"
+            android:excludeFromRecents="true"
+            android:exported="true"
+            android:theme="@android:style/Theme.NoDisplay">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="hentaicafe.xxx"
+                    android:pathPattern="/g/..*"
+                    android:scheme="https" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>

src/all/hentaicafe/build.gradle

@@ -0,0 +1,8 @@
+ext {
+    extName = 'Hentai Cafe'
+    extClass = '.HentaiCafe'
+    extVersionCode = 1
+    isNsfw = true
+}
+
+apply from: "$rootDir/common.gradle"

src/all/hentaicafe/src/eu/kanade/tachiyomi/extension/all/hentaicafe/HentaiCafe.kt

@@ -0,0 +1,167 @@
+package eu.kanade.tachiyomi.extension.all.hentaicafe
+
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.network.asObservableSuccess
+import eu.kanade.tachiyomi.network.interceptor.rateLimitHost
+import eu.kanade.tachiyomi.source.model.FilterList
+import eu.kanade.tachiyomi.source.model.MangasPage
+import eu.kanade.tachiyomi.source.model.Page
+import eu.kanade.tachiyomi.source.model.SChapter
+import eu.kanade.tachiyomi.source.model.SManga
+import eu.kanade.tachiyomi.source.model.UpdateStrategy
+import eu.kanade.tachiyomi.source.online.ParsedHttpSource
+import eu.kanade.tachiyomi.util.asJsoup
+import okhttp3.HttpUrl.Companion.toHttpUrl
+import okhttp3.Request
+import okhttp3.Response
+import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
+import rx.Observable
+
+class HentaiCafe : ParsedHttpSource() {
+
+    override val name = "Hentai Cafe"
+
+    override val baseUrl = "https://hentaicafe.xxx"
+
+    override val lang = "all"
+
+    override val supportsLatest = true
+
+    override val client by lazy {
+        network.client.newBuilder()
+            .rateLimitHost(baseUrl.toHttpUrl(), 2)
+            // Image CDN
+            .rateLimitHost("https://cdn.hentaibomb.com".toHttpUrl(), 2)
+            .build()
+    }
+
+    override fun headersBuilder() = super.headersBuilder()
+        .add("Referer", "$baseUrl/")
+        .add("Accept-Language", "en-US,en;q=0.5")
+
+    // ============================== Popular ===============================
+    override fun popularMangaRequest(page: Int) = GET(baseUrl, headers)
+
+    override fun popularMangaSelector() = "div.index-popular > div.gallery > a"
+
+    override fun popularMangaFromElement(element: Element) = SManga.create().apply {
+        setUrlWithoutDomain(element.attr("href"))
+        thumbnail_url = element.selectFirst("img")?.getImageUrl()
+        title = element.selectFirst("div.caption")!!.text()
+    }
+
+    override fun popularMangaNextPageSelector() = null
+
+    // =============================== Latest ===============================
+    override fun latestUpdatesRequest(page: Int) = GET("$baseUrl/?page=$page", headers)
+
+    override fun latestUpdatesSelector() = "div.index-container:contains(new uploads) > div.gallery > a"
+
+    override fun latestUpdatesFromElement(element: Element) = popularMangaFromElement(element)
+
+    override fun latestUpdatesNextPageSelector() = "section.pagination > a.last:not(.disabled)"
+
+    // =============================== Search ===============================
+    override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> {
+        return if (query.startsWith(PREFIX_SEARCH)) { // URL intent handler
+            val id = query.removePrefix(PREFIX_SEARCH)
+            client.newCall(GET("$baseUrl/g/$id"))
+                .asObservableSuccess()
+                .map(::searchMangaByIdParse)
+        } else {
+            super.fetchSearchManga(page, query, filters)
+        }
+    }
+
+    private fun searchMangaByIdParse(response: Response): MangasPage {
+        val details = mangaDetailsParse(response.use { it.asJsoup() })
+        return MangasPage(listOf(details), false)
+    }
+
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
+        val url = "$baseUrl/search".toHttpUrl().newBuilder()
+            .addQueryParameter("q", query)
+            .addQueryParameter("page", page.toString())
+            .build()
+
+        return GET(url, headers)
+    }
+
+    override fun searchMangaSelector() = "div.index-container > div.gallery > a"
+
+    override fun searchMangaFromElement(element: Element) = popularMangaFromElement(element)
+
+    override fun searchMangaNextPageSelector() = latestUpdatesNextPageSelector()
+
+    // =========================== Manga Details ============================
+    override fun mangaDetailsParse(document: Document) = SManga.create().apply {
+        thumbnail_url = document.selectFirst("#cover > a > img")?.getImageUrl()
+
+        with(document.selectFirst("div#bigcontainer > div > div#info")!!) {
+            title = selectFirst("h1.title")!!.text()
+            artist = getInfo("Artists")
+            genre = getInfo("Tags")
+
+            description = buildString {
+                select(".title > span").eachText().joinToString("\n").also {
+                    append("Full titles:\n$it\n")
+                }
+
+                getInfo("Groups")?.also { append("\nGroups: $it") }
+                getInfo("Languages")?.also { append("\nLanguages: $it") }
+                getInfo("Parodies")?.also { append("\nParodies: $it") }
+                getInfo("Pages")?.also { append("\nPages: $it") }
+            }
+        }
+
+        status = SManga.COMPLETED
+        update_strategy = UpdateStrategy.ONLY_FETCH_ONCE
+    }
+
+    private fun Element.getInfo(item: String) =
+        select("div.field-name:containsOwn($item) a.tag > span.name")
+            .eachText()
+            .takeUnless { it.isEmpty() }
+            ?.joinToString()
+
+    // ============================== Chapters ==============================
+    override fun fetchChapterList(manga: SManga): Observable<List<SChapter>> {
+        val chapter = SChapter.create().apply {
+            url = manga.url
+            name = "Chapter"
+            chapter_number = 1F
+        }
+
+        return Observable.just(listOf(chapter))
+    }
+
+    override fun chapterListSelector(): String {
+        throw UnsupportedOperationException()
+    }
+
+    override fun chapterFromElement(element: Element): SChapter {
+        throw UnsupportedOperationException()
+    }
+
+    // =============================== Pages ================================
+    override fun pageListParse(document: Document): List<Page> {
+        return document.select("div.thumbs a.gallerythumb > img").mapIndexed { index, item ->
+            val url = item.getImageUrl()
+            // Show original images instead of previews
+            val imageUrl = url.substringBeforeLast('/') + "/" + url.substringAfterLast('/').replace("t.", ".")
+            Page(index, "", imageUrl)
+        }
+    }
+
+    override fun imageUrlParse(document: Document): String {
+        throw UnsupportedOperationException()
+    }
+
+    // ============================= Utilities ==============================
+    private fun Element.getImageUrl() = absUrl("data-src").ifEmpty { absUrl("src") }
+
+    companion object {
+        const val PREFIX_SEARCH = "id:"
+    }
+}

src/all/hentaicafe/src/eu/kanade/tachiyomi/extension/all/hentaicafe/HentaiCafeUrlActivity.kt

@@ -0,0 +1,41 @@
+package eu.kanade.tachiyomi.extension.all.hentaicafe
+
+import android.app.Activity
+import android.content.ActivityNotFoundException
+import android.content.Intent
+import android.os.Bundle
+import android.util.Log
+import kotlin.system.exitProcess
+
+/**
+ * Springboard that accepts https://hentaicafe.xxx/g/<id> intents
+ * and redirects them to the main Tachiyomi process.
+ */
+class HentaiCafeUrlActivity : Activity() {
+
+    private val tag = javaClass.simpleName
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        val pathSegments = intent?.data?.pathSegments
+        if (pathSegments != null && pathSegments.size > 1) {
+            val item = pathSegments[1]
+            val mainIntent = Intent().apply {
+                action = "eu.kanade.tachiyomi.SEARCH"
+                putExtra("query", "${HentaiCafe.PREFIX_SEARCH}$item")
+                putExtra("filter", packageName)
+            }
+
+            try {
+                startActivity(mainIntent)
+            } catch (e: ActivityNotFoundException) {
+                Log.e(tag, e.toString())
+            }
+        } else {
+            Log.e(tag, "could not parse uri from intent $intent")
+        }
+
+        finish()
+        exitProcess(0)
+    }
+}