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| 1 | +package com.asmr.player.data.remote.api |
| 2 | + |
| 3 | +import android.os.Build |
| 4 | +import com.asmr.player.BuildConfig |
| 5 | +import com.asmr.player.data.remote.NetworkHeaders |
| 6 | +import com.asmr.player.listentogether.XxHash64 |
| 7 | +import com.google.gson.Gson |
| 8 | +import kotlinx.coroutines.Dispatchers |
| 9 | +import kotlinx.coroutines.withContext |
| 10 | +import okhttp3.MediaType.Companion.toMediaType |
| 11 | +import okhttp3.OkHttpClient |
| 12 | +import okhttp3.Request |
| 13 | +import okhttp3.RequestBody.Companion.toRequestBody |
| 14 | +import okhttp3.HttpUrl.Companion.toHttpUrlOrNull |
| 15 | +import java.io.IOException |
| 16 | +import java.util.UUID |
| 17 | +import javax.inject.Inject |
| 18 | +import javax.inject.Singleton |
| 19 | +import kotlin.text.Charsets.UTF_8 |
| 20 | + |
| 21 | +data class AsmrOneAvailabilityRequest( |
| 22 | + val rjs: List<String> |
| 23 | +) |
| 24 | + |
| 25 | +data class AsmrOneAvailabilityResponse( |
| 26 | + val items: List<AsmrOneAvailabilityItem> = emptyList(), |
| 27 | + val serverTimeEpochMs: Long = 0L |
| 28 | +) |
| 29 | + |
| 30 | +data class AsmrOneAvailabilityItem( |
| 31 | + val rj: String = "", |
| 32 | + val collected: Boolean = false, |
| 33 | + val workId: Int = 0, |
| 34 | + val matchedRjs: List<String> = emptyList(), |
| 35 | + val originalWorkno: String = "", |
| 36 | + val title: String = "" |
| 37 | +) |
| 38 | + |
| 39 | +data class AsmrOneCollectedSearchResponse( |
| 40 | + val items: List<AsmrOneCollectedSearchItem>? = emptyList(), |
| 41 | + val total: Int = 0, |
| 42 | + val limit: Int = 0, |
| 43 | + val offset: Int = 0, |
| 44 | + val sort: String = "", |
| 45 | + val serverTimeEpochMs: Long = 0L |
| 46 | +) |
| 47 | + |
| 48 | +data class AsmrOneCollectedSearchItem( |
| 49 | + val workId: Int = 0, |
| 50 | + val rj: String = "", |
| 51 | + val title: String = "", |
| 52 | + val circle: String = "", |
| 53 | + val cvs: List<String>? = emptyList(), |
| 54 | + val tags: List<String>? = emptyList(), |
| 55 | + val matchedRjs: List<String>? = emptyList(), |
| 56 | + val originalWorkno: String = "", |
| 57 | + val releaseDate: String = "", |
| 58 | + val createDate: String = "", |
| 59 | + val mainCoverUrl: String = "", |
| 60 | + val dlCount: Int? = null, |
| 61 | + val price: Int? = null, |
| 62 | + val reviewCount: Int? = null, |
| 63 | + val rateCount: Int? = null, |
| 64 | + val rateAverage2dp: Double? = null |
| 65 | +) |
| 66 | + |
| 67 | +@Singleton |
| 68 | +class AsmrOneAvailabilityApi @Inject constructor( |
| 69 | + private val okHttpClient: OkHttpClient, |
| 70 | + private val gson: Gson |
| 71 | +) { |
| 72 | + private val clientSessionId = UUID.randomUUID().toString() |
| 73 | + private val appHeaderValue = "com.asmr.player/${BuildConfig.VERSION_NAME} (${BuildConfig.VERSION_CODE})" |
| 74 | + private val deviceFingerprint = buildDeviceFingerprint() |
| 75 | + private val userAgent = buildUserAgent() |
| 76 | + |
| 77 | + suspend fun check(rjs: List<String>): Map<String, Boolean> { |
| 78 | + val normalized = rjs |
| 79 | + .asSequence() |
| 80 | + .map { it.trim().uppercase() } |
| 81 | + .filter { RJ_CODE_REGEX.matches(it) } |
| 82 | + .distinct() |
| 83 | + .take(MAX_RJS) |
| 84 | + .toList() |
| 85 | + if (normalized.isEmpty() || baseUrl.isBlank()) return emptyMap() |
| 86 | + |
| 87 | + return runCatching { |
| 88 | + withContext(Dispatchers.IO) { |
| 89 | + val request = Request.Builder() |
| 90 | + .url(resolveUrl("api/asmr-one/availability")) |
| 91 | + .header("User-Agent", userAgent) |
| 92 | + .header("X-Listen-Together-App", appHeaderValue) |
| 93 | + .header("X-Listen-Together-Client-Session-Id", clientSessionId) |
| 94 | + .header("X-Listen-Together-Device-Fingerprint", deviceFingerprint) |
| 95 | + .header(NetworkHeaders.HEADER_SILENT_IO_ERROR, NetworkHeaders.SILENT_IO_ERROR_ON) |
| 96 | + .post(gson.toJson(AsmrOneAvailabilityRequest(normalized)).toRequestBody(JSON_MEDIA_TYPE)) |
| 97 | + .build() |
| 98 | + okHttpClient.newCall(request).execute().use { response -> |
| 99 | + if (!response.isSuccessful) return@withContext emptyMap() |
| 100 | + val raw = response.body?.string().orEmpty() |
| 101 | + if (raw.isBlank()) return@withContext emptyMap() |
| 102 | + val parsed = gson.fromJson(raw, AsmrOneAvailabilityResponse::class.java) |
| 103 | + parsed.items.associate { it.rj.trim().uppercase() to it.collected } |
| 104 | + } |
| 105 | + } |
| 106 | + }.getOrDefault(emptyMap()) |
| 107 | + } |
| 108 | + |
| 109 | + suspend fun search(keyword: String, limit: Int, offset: Int, sort: String): AsmrOneCollectedSearchResponse { |
| 110 | + if (baseUrl.isBlank()) throw IOException("asmr.one backend is not configured") |
| 111 | + return withContext(Dispatchers.IO) { |
| 112 | + val url = resolveUrl("api/asmr-one/search") |
| 113 | + .toHttpUrlOrNull() |
| 114 | + ?.newBuilder() |
| 115 | + ?.addQueryParameter("q", keyword.trim()) |
| 116 | + ?.addQueryParameter("limit", limit.coerceIn(1, 100).toString()) |
| 117 | + ?.addQueryParameter("offset", offset.coerceAtLeast(0).toString()) |
| 118 | + ?.addQueryParameter("sort", sort.trim().ifBlank { "release" }) |
| 119 | + ?.build() |
| 120 | + ?: throw IOException("invalid asmr.one backend url") |
| 121 | + val request = Request.Builder() |
| 122 | + .url(url) |
| 123 | + .header("User-Agent", userAgent) |
| 124 | + .header("X-Listen-Together-App", appHeaderValue) |
| 125 | + .header("X-Listen-Together-Client-Session-Id", clientSessionId) |
| 126 | + .header("X-Listen-Together-Device-Fingerprint", deviceFingerprint) |
| 127 | + .header(NetworkHeaders.HEADER_SILENT_IO_ERROR, NetworkHeaders.SILENT_IO_ERROR_ON) |
| 128 | + .get() |
| 129 | + .build() |
| 130 | + okHttpClient.newCall(request).execute().use { response -> |
| 131 | + if (!response.isSuccessful) { |
| 132 | + throw IOException("asmr.one search failed: HTTP ${response.code}") |
| 133 | + } |
| 134 | + val raw = response.body?.string().orEmpty() |
| 135 | + if (raw.isBlank()) return@withContext AsmrOneCollectedSearchResponse() |
| 136 | + gson.fromJson(raw, AsmrOneCollectedSearchResponse::class.java) |
| 137 | + ?: AsmrOneCollectedSearchResponse() |
| 138 | + } |
| 139 | + } |
| 140 | + } |
| 141 | + |
| 142 | + private fun resolveUrl(path: String): String { |
| 143 | + val root = baseUrl.trimEnd('/') |
| 144 | + val normalizedPath = path.trimStart('/') |
| 145 | + return "$root/$normalizedPath" |
| 146 | + } |
| 147 | + |
| 148 | + private fun buildDeviceFingerprint(): String { |
| 149 | + val source = listOf( |
| 150 | + Build.BRAND, |
| 151 | + Build.MANUFACTURER, |
| 152 | + Build.MODEL, |
| 153 | + Build.DEVICE, |
| 154 | + Build.PRODUCT, |
| 155 | + Build.VERSION.SDK_INT.toString(), |
| 156 | + BuildConfig.APPLICATION_ID, |
| 157 | + BuildConfig.VERSION_NAME, |
| 158 | + ).joinToString(separator = "|") { it.trim() } |
| 159 | + return XxHash64.hashHex(source.toByteArray(UTF_8)) |
| 160 | + } |
| 161 | + |
| 162 | + private fun buildUserAgent(): String { |
| 163 | + val deviceModel = listOf(Build.MANUFACTURER, Build.MODEL) |
| 164 | + .map { it.trim() } |
| 165 | + .filter { it.isNotBlank() } |
| 166 | + .joinToString(separator = " ") |
| 167 | + .ifBlank { "Android" } |
| 168 | + return "EaraAsmrOneAvailability/${BuildConfig.VERSION_NAME} (Android ${Build.VERSION.SDK_INT}; $deviceModel)" |
| 169 | + } |
| 170 | + |
| 171 | + private companion object { |
| 172 | + private val JSON_MEDIA_TYPE = "application/json; charset=utf-8".toMediaType() |
| 173 | + private val RJ_CODE_REGEX = Regex("""RJ\d{6,}""") |
| 174 | + private const val MAX_RJS = 100 |
| 175 | + private val baseUrl: String |
| 176 | + get() = BuildConfig.LISTEN_TOGETHER_BASE_URL |
| 177 | + } |
| 178 | +} |
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