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feat: allow replace playurl PCDN (#1059)
完善对视频 / 直播的 PCDN 拦截. Fix: #1021
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88 changes: 88 additions & 0 deletions
88
app/src/main/java/me/iacn/biliroaming/hook/UposReplaceHook.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| package me.iacn.biliroaming.hook | ||
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||
| import me.iacn.biliroaming.utils.Log | ||
| import me.iacn.biliroaming.utils.UposReplaceHelper.enableLivePcdnBlock | ||
| import me.iacn.biliroaming.utils.UposReplaceHelper.enablePcdnBlock | ||
| import me.iacn.biliroaming.utils.UposReplaceHelper.enableUposReplace | ||
| import me.iacn.biliroaming.utils.UposReplaceHelper.forceUpos | ||
| import me.iacn.biliroaming.utils.UposReplaceHelper.gotchaRegex | ||
| import me.iacn.biliroaming.utils.UposReplaceHelper.initVideoUposList | ||
| import me.iacn.biliroaming.utils.UposReplaceHelper.ipPCdnRegex | ||
| import me.iacn.biliroaming.utils.UposReplaceHelper.isNeedReplaceVideoUpos | ||
| import me.iacn.biliroaming.utils.UposReplaceHelper.liveUpos | ||
| import me.iacn.biliroaming.utils.UposReplaceHelper.reconstructVideoUpos | ||
| import me.iacn.biliroaming.utils.UposReplaceHelper.replaceUpos | ||
| import me.iacn.biliroaming.utils.UposReplaceHelper.videoUposBackups | ||
| import me.iacn.biliroaming.utils.from | ||
| import me.iacn.biliroaming.utils.getObjectFieldOrNull | ||
| import me.iacn.biliroaming.utils.getObjectFieldOrNullAs | ||
| import me.iacn.biliroaming.utils.hookBeforeConstructor | ||
| import me.iacn.biliroaming.utils.hookBeforeMethod | ||
| import me.iacn.biliroaming.utils.setObjectField | ||
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| class UposReplaceHook(classLoader: ClassLoader) : BaseHook(classLoader) { | ||
| override fun startHook() { | ||
| if (!enableUposReplace || !(forceUpos || enablePcdnBlock || enableLivePcdnBlock)) return | ||
| Log.d("startHook: UposReplaceHook") | ||
| "tv.danmaku.ijk.media.player.IjkMediaAsset\$MediaAssertSegment\$Builder".from(mClassLoader) | ||
| ?.run { | ||
| hookBeforeConstructor(String::class.java, Int::class.javaPrimitiveType) { param -> | ||
| val baseUrl = param.args[0] as String | ||
| if (baseUrl.contains("live-bvc")) { | ||
| if (enableLivePcdnBlock && !baseUrl.contains(gotchaRegex)) { | ||
| param.args[0] = baseUrl.replaceUpos(liveUpos) | ||
| } | ||
| } else if (baseUrl.contains(ipPCdnRegex)) { | ||
| // IP:Port type PCDN currently only exists in Live and Thai Video. | ||
| } else if (baseUrl.isNeedReplaceVideoUpos()) { | ||
| param.args[0] = baseUrl.replaceUpos() | ||
| } | ||
| } | ||
|
|
||
| if (!(enablePcdnBlock || forceUpos)) return@run | ||
| hookBeforeMethod("setBackupUrls", MutableCollection::class.java) { param -> | ||
| val mediaAssertSegment = param.thisObject.getObjectFieldOrNull("target") | ||
| val baseUrl = | ||
| mediaAssertSegment?.getObjectFieldOrNullAs<String>("url").orEmpty() | ||
| if (baseUrl.isEmpty()) return@hookBeforeMethod | ||
| val backupUrls = if (param.args[0] == null) { | ||
| if (baseUrl.contains("live-bvc")) return@hookBeforeMethod else { | ||
| emptyList<String>() | ||
| } | ||
| } else { | ||
| @Suppress("UNCHECKED_CAST") | ||
| // Cannot simply replace IP:Port type PCDN's host | ||
| (param.args[0] as List<String>).filter { !it.contains(ipPCdnRegex) } | ||
| .takeIf { backupUrls -> | ||
| backupUrls.isEmpty() || !backupUrls.any { it.contains("live-bvc") } | ||
| } ?: return@hookBeforeMethod | ||
| } | ||
| param.args[0] = | ||
| reconstructBackupUposList(baseUrl, backupUrls, mediaAssertSegment) | ||
| } | ||
| } | ||
| } | ||
|
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||
| override fun lateInitHook() { | ||
| initVideoUposList() | ||
| } | ||
|
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||
| private fun reconstructBackupUposList( | ||
| baseUrl: String, backupUrls: List<String>, mediaAssertSegment: Any? | ||
| ) = mutableListOf( | ||
| backupUrls.getOrNull(0)?.reconstructVideoUpos(videoUposBackups[0]) ?: baseUrl.replaceUpos( | ||
| videoUposBackups[0], true | ||
| ), | ||
| backupUrls.getOrNull(1)?.reconstructVideoUpos(videoUposBackups[1]) ?: baseUrl.replaceUpos( | ||
| videoUposBackups[1], true | ||
| ), | ||
| ).apply { | ||
| if (baseUrl.contains(ipPCdnRegex)) { | ||
| mediaAssertSegment?.setObjectField( | ||
| "url", backupUrls.first().replaceUpos() | ||
| ) | ||
| this[0] = baseUrl | ||
| } | ||
| } | ||
| } |
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