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Feat: AdvancedWebView

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This commit is contained in:
Arjix 2022-08-21 22:09:56 +03:00
parent 5b5f5e1482
commit 921a1dab37
3 changed files with 494 additions and 27 deletions
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3
app/src/main/java/com/lagradost/cloudstream3/MainActivity.kt
View file

@ -131,6 +131,8 @@ var app = Requests(responseParser = object : ResponseParser {
class MainActivity : AppCompatActivity(), ColorPickerDialogListener {
companion object {
const val TAG = "MAINACT"
var context : MainActivity? = null
val afterPluginsLoadedEvent = Event<Boolean>()
val mainPluginsLoadedEvent =
Event<Boolean>() // homepage api, used to speed up time to load for homepage
@ -415,6 +417,7 @@ class MainActivity : AppCompatActivity(), ColorPickerDialogListener {
}
override fun onCreate(savedInstanceState: Bundle?) {
context = this
app.initClient(this)
val settingsManager = PreferenceManager.getDefaultSharedPreferences(this)

483
app/src/main/java/com/lagradost/cloudstream3/network/AdvancedWebview.kt Normal file
View file

@ -0,0 +1,483 @@
package com.lagradost.cloudstream3.network
import android.app.Dialog
import android.net.http.SslError
import android.util.Log
import android.view.View
import android.webkit.*
import android.widget.RelativeLayout
import com.lagradost.cloudstream3.*
import com.lagradost.cloudstream3.utils.Coroutines.main
import kotlinx.coroutines.delay
import kotlinx.coroutines.runBlocking
import okhttp3.Response
import org.jsoup.Jsoup
import org.jsoup.nodes.Document
import java.net.URI
enum class WebViewActions {
VISIT_ADDRESS,
WAIT_FOR_PAGE_LOAD,
WAIT_FOR_X_SECONDS,
WAIT_FOR_NETWORK_CALL,
WAIT_FOR_NETWORK_IDLE,
WAIT_FOR_ELEMENT,
WAIT_FOR_ELEMENT_GONE,
EXECUTE_JAVASCRIPT,
WAIT_FOR_ELEMENT_TO_BE_CLICKABLE,
CAPTURE_REQUESTS_THAT_MATCH_REGEX,
// SEND_KEYS_TO_ELEMENT,
RETURN
}
data class WebViewAction(val actionType: WebViewActions, val parameter: Any = "", val callback: (AdvancedWebView) -> Unit = { })
class AdvancedWebView private constructor(
val url: String,
val actions: ArrayList<WebViewAction>,
val referer: String?,
val method: String,
val callback: (AdvancedWebView) -> Unit = { },
val debug: Boolean = false
) {
companion object {
const val TAG = "AdvancedWebViewTag"
}
val headers = mapOf<String, String>()
var webView: WebView? = null
val remainingActions: ArrayList<WebViewAction> = actions
var currentHTML: String = ""
// Made this a getter, because `currentHTML` changes on the fly
val document: Document?
get() = try { Jsoup.parse(currentHTML) } catch (e: Exception) { null }
private val Instance = this
data class Builder(
var url: String = "",
var actions: ArrayList<WebViewAction> = arrayListOf(),
var referer: String? = null,
var method: String = "GET",
var debug: Boolean = false
) {
fun visitAddress(url: String, cb: (AdvancedWebView) -> Unit = { }) = apply {
if (this.url != "") {
addAction(WebViewAction(WebViewActions.VISIT_ADDRESS, url, cb))
} else this.url = url
}
fun setReferer(referer: String) = apply { this.referer = referer }
fun setMethod(method: String) = apply { this.method = method }
private fun addAction(action: WebViewAction) = apply { this.actions.add(action) }
fun waitForElement(selector: String, cb: (AdvancedWebView) -> Unit = { }) = apply {
addAction(WebViewAction(WebViewActions.WAIT_FOR_ELEMENT, selector, cb))
}
fun waitForElementGone(selector: String, cb: (AdvancedWebView) -> Unit = { }) = apply {
addAction(WebViewAction(WebViewActions.WAIT_FOR_ELEMENT, selector, cb))
}
fun waitForElementToBeClickable(selector: String, cb: (AdvancedWebView) -> Unit = { }) = apply {
addAction(WebViewAction(WebViewActions.WAIT_FOR_ELEMENT_TO_BE_CLICKABLE, selector, cb))
}
fun waitForSeconds(seconds: Long, cb: (AdvancedWebView) -> Unit = { }) = apply {
addAction(WebViewAction(WebViewActions.WAIT_FOR_X_SECONDS, seconds, cb))
}
fun waitForPageLoad(cb: (AdvancedWebView) -> Unit = { }) = apply {
addAction(WebViewAction(WebViewActions.WAIT_FOR_PAGE_LOAD, "", cb))
}
fun waitForNetworkIdle(cb: (AdvancedWebView) -> Unit = { }) = apply {
addAction(WebViewAction(WebViewActions.WAIT_FOR_NETWORK_IDLE, "", cb))
}
fun waitForNetworkCall(targetResource: String, cb: (AdvancedWebView) -> Unit = { }) = apply {
addAction(WebViewAction(WebViewActions.WAIT_FOR_NETWORK_CALL, targetResource, cb))
}
fun executeJavaScript(code: String, cb: (AdvancedWebView) -> Unit = { }) = apply {
addAction(WebViewAction(WebViewActions.EXECUTE_JAVASCRIPT, code, cb))
}
fun captureReqsThatMatchRegex(regex: Regex, cb: (AdvancedWebView) -> Unit = { }) = apply {
addAction(WebViewAction(WebViewActions.CAPTURE_REQUESTS_THAT_MATCH_REGEX, regex, cb))
}
// fun sendKeysToElement(selector: String, text: String, delayInMsPerKeyPress: Long = 50, cb: (AdvancedWebView) -> Unit = { }) = apply {
// addAction(WebViewAction(WebViewActions.SEND_KEYS_TO_ELEMENT, "$selector(__++`__||__`++__)$text(__++`__||__`++__)$delayInMsPerKeyPress", cb))
// }
fun debug() = apply { debug = true }
fun close() = apply { addAction(WebViewAction(WebViewActions.RETURN, "")) }
fun build(callback: (AdvancedWebView) -> Unit = { }) = AdvancedWebView(this.url, this.actions, this.referer, this.method, callback, debug)
fun buildAndStart(callback: (AdvancedWebView) -> Unit = { }) = build(callback).apply { this.start() }
}
private var actionExecutionsPaused = false
private var networkIdleTimestamp = -1;
private var pageHasLoaded = false;
private var isInSleep = false
private var isSendingKeys = false
private var actionStartTimestamp = -1;
private fun onActionEnded() {
actionExecutionsPaused = false
isSendingKeys = false
actionStartTimestamp = -1
}
var Error = ""
private suspend fun tryExecuteAction() {
if (actionExecutionsPaused || remainingActions.size == 0) return
actionExecutionsPaused = true
actionStartTimestamp = (System.currentTimeMillis() / 1000).toInt()
main {
if (remainingActions.size > 0) {
val action = remainingActions[0]
when (action.actionType){
WebViewActions.WAIT_FOR_ELEMENT -> {
webView?.evaluateJavascript("document.querySelector(\"${action.parameter}\")") {
Log.i(TAG, "WAIT_FOR_ELEMENT:: <$it>")
if (it == "{}") {
updateCurrentHtmlAndRun(action.callback)
remainingActions.remove(action)
}
onActionEnded()
}
}
WebViewActions.VISIT_ADDRESS -> {
webView?.loadUrl(action.parameter as String)
updateCurrentHtmlAndRun(action.callback)
remainingActions.remove(action)
onActionEnded()
}
// WebViewActions.SEND_KEYS_TO_ELEMENT -> {
// isSendingKeys = true
// val (element, characters, timing) = (action.parameter as String).split("(__++`__||__`++__)") // discriminator
// val msPerKey: Long = timing.toLongOrNull() ?: return@main
//
// Log.i(TAG, "SEND_KEYS_TO_ELEMENT:: start")
// webView?.evaluateJavascript("document.querySelector(`$element`)?.click()") {
// main {
// delay(300)
// for (character in characters) {
// Log.i(TAG, "SEND_KEYS_TO_ELEMENT:: character :: $character")
//
// webView?.dispatchKeyEvent(KeyEvent(KeyEvent.ACTION_DOWN, character.code))
// delay(70)
// webView?.dispatchKeyEvent(KeyEvent(KeyEvent.ACTION_UP, character.code))
// delay(msPerKey)
// }
//
// updateCurrentHtmlAndRun(action.callback)
// remainingActions.remove(action)
// onActionEnded()
// }
// }
// }
WebViewActions.WAIT_FOR_ELEMENT_TO_BE_CLICKABLE -> {
webView?.evaluateJavascript(
"""
((selector) => {
const elem = document.querySelector(selector)
if (elem == undefined) return
const attribute = elem.getAttribute("disabled")
if (attribute === "true" || attribute === '') return
return "" + (!elem.disabled || true)
})(`${action.parameter}`);
""".trimIndent()) {
if (it == "\"true\""){
updateCurrentHtmlAndRun(action.callback)
remainingActions.remove(action)
}
onActionEnded()
}
}
WebViewActions.WAIT_FOR_ELEMENT_GONE -> {
webView?.evaluateJavascript("\"\"+ (document.querySelector(\"${action.parameter}\") == undefined)") {
if (it == "\"true\"") {
updateCurrentHtmlAndRun(action.callback)
remainingActions.remove(action)
}
onActionEnded()
}
}
WebViewActions.WAIT_FOR_NETWORK_IDLE -> {
// if (!pageHasLoaded || ((System.currentTimeMillis() / 1000L) - networkIdleTimestamp) < 10) return@main
// we need at least 10 seconds of no network calls being done in order to be in an "IDLE" state
updateCurrentHtmlAndRun(action.callback)
remainingActions.remove(action)
onActionEnded()
}
WebViewActions.WAIT_FOR_X_SECONDS -> {
Log.i(TAG, "Waiting for ${remainingActions[0].parameter} seconds...")
isInSleep = true
delay(action.parameter as Long * 1000)
isInSleep = false
Log.i(TAG, "Finished waiting!")
updateCurrentHtmlAndRun(action.callback)
remainingActions.remove(action)
onActionEnded()
}
WebViewActions.EXECUTE_JAVASCRIPT -> {
Log.i(TAG, "Executing javascript from action...")
webView?.evaluateJavascript(action.parameter as String) {
Log.i(TAG, "JavaScript Execution done! Result: <$it>")
updateCurrentHtmlAndRun(action.callback)
remainingActions.remove(action)
onActionEnded()
}
}
WebViewActions.RETURN -> {
updateCurrentHtmlAndRun() { /* Do nothing, we only want to update the html */ }
destroyWebView()
remainingActions.clear()
actionStartTimestamp = -1
}
else -> {
onActionEnded()
}
}
}
}
}
private fun destroyWebView() {
main {
webView?.stopLoading()
webView?.destroy()
webView = null
Log.i(TAG, "Destroyed the WebView!")
}
}
private fun updateCurrentHtmlAndRun(cb: (AdvancedWebView) -> Unit) {
if (webView == null) {
Instance.run(cb)
return
}
main {
webView?.evaluateJavascript("document.documentElement.outerHTML") {
currentHTML = it
.replace("\\u003C", "<")
.replace("\\\"", "\"")
.replace("\\n", "\n")
.replace("\\t", "\t")
.trimStart('"').trimEnd('"')
Instance.run(cb)
}
}
}
var initialized = false
suspend fun waitUntilDone() = apply {
while (!initialized) {
delay(100)
}
while (webView != null) {
delay(100)
}
}
val capturedRequests = arrayListOf<WebResourceResponse>()
private var dialog: Dialog? = null
fun start() {
main {
try {
webView = WebView(
AcraApplication.context
?: throw RuntimeException("No base context in WebViewResolver")
).apply {
// Bare minimum to bypass captcha
settings.javaScriptEnabled = true
settings.domStorageEnabled = true
settings.userAgentString = USER_AGENT
settings.blockNetworkImage = true
}
} catch (e: Exception) {
Error = "Error: Failed to create an Advanced WebView, reason: <${e.message}>"
Log.e(TAG, Error)
Log.e(TAG, e.toString())
destroyWebView()
callback(this)
}
if (debug) {
webView!!.visibility = View.VISIBLE
val layout = RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.MATCH_PARENT,
RelativeLayout.LayoutParams.MATCH_PARENT
)
dialog = Dialog(MainActivity.context!!, android.R.style.Theme_Black_NoTitleBar_Fullscreen)
dialog!!.addContentView(webView as View, layout)
dialog!!.show()
}
try {
webView?.webViewClient = object : WebViewClient() {
override fun onPageFinished(view: WebView?, url: String?) {
super.onPageFinished(view, url)
pageHasLoaded = true
networkIdleTimestamp = (System.currentTimeMillis() / 1000).toInt();
if (remainingActions.size > 0 && remainingActions[0].actionType == WebViewActions.WAIT_FOR_PAGE_LOAD) {
Log.i(TAG, "PAGE FINISHED!")
val action = remainingActions[0]
updateCurrentHtmlAndRun(action.callback)
remainingActions.remove(action)
}
}
override fun onLoadResource(view: WebView?, url: String?) {
super.onLoadResource(view, url)
networkIdleTimestamp = (System.currentTimeMillis() / 1000L).toInt();
if (remainingActions.size > 0) {
val action = remainingActions[0]
when (action.actionType) {
WebViewActions.WAIT_FOR_NETWORK_CALL -> {
if (URI(url) == URI(action.parameter as String)) {
updateCurrentHtmlAndRun(action.callback)
remainingActions.remove(action)
}
}
else -> { /* nothing */ }
}
}
}
override fun shouldInterceptRequest(
view: WebView,
request: WebResourceRequest
): WebResourceResponse? = runBlocking {
networkIdleTimestamp = (System.currentTimeMillis() / 1000L).toInt();
val webViewUrl = request.url.toString()
val blacklistedFiles = listOf(
".jpg", ".png", ".webp", ".mpg",
".mpeg", ".jpeg", ".webm", ".mp4",
".mp3", ".gifv", ".flv", ".asf",
".mov", ".mng", ".mkv", ".ogg",
".avi", ".wav", ".woff2", ".woff",
".ttf", ".vtt", ".srt",
".ts", ".gif",
// Warning, this might fuck some future sites, but it's used to make Sflix work.
"wss://"
)
val response = try {
when {
blacklistedFiles.any { URI(webViewUrl).path.contains(it) } || webViewUrl.endsWith(
"/favicon.ico"
) -> WebResourceResponse(
"image/png",
null,
null
)
request.method == "GET" -> app.get(
webViewUrl,
headers = request.requestHeaders
).okhttpResponse.toWebResourceResponse()
request.method == "POST" -> app.post(
webViewUrl,
headers = request.requestHeaders
).okhttpResponse.toWebResourceResponse()
else -> return@runBlocking super.shouldInterceptRequest(
view,
request
)
}
} catch (e: Exception) {
null
}
if (remainingActions.size > 0){
val action = remainingActions[0]
when (action.actionType) {
WebViewActions.CAPTURE_REQUESTS_THAT_MATCH_REGEX -> {
if ((action.parameter as Regex).containsMatchIn(webViewUrl)) {
if (response != null) capturedRequests.add(response)
updateCurrentHtmlAndRun(action.callback)
remainingActions.remove(action)
}
}
else -> { /* nothing */ }
}
}
return@runBlocking response
}
override fun onReceivedSslError(
view: WebView?,
handler: SslErrorHandler?,
error: SslError?
) {
handler?.proceed() // Ignore ssl issues
}
}
webView?.loadUrl(url, headers.toMap())
} catch (e: Exception){
Error = "Failed to create a WebView client!"
Log.e(TAG, Error)
destroyWebView()
Instance.run(callback)
return@main
}
initialized = true
while (remainingActions.size > 0 && webView != null) {
if (!isInSleep && !isSendingKeys && actionStartTimestamp != -1 && ((System.currentTimeMillis()/1000) - actionStartTimestamp > 20)) {
Log.e(TAG, "AdvancedWebview:: Timeout, an action failed to end in under 20 seconds...")
Error = "ActionTimeout"
break
}
delay(300)
if (!actionExecutionsPaused) tryExecuteAction()
}
try {
updateCurrentHtmlAndRun(callback)
} catch (e: Exception) {
Log.e(TAG, "Err: $e")
}
if (debug) dialog!!.hide()
destroyWebView()
}
}
fun Response.toWebResourceResponse(): WebResourceResponse {
val contentTypeValue = this.header("Content-Type")
// 1. contentType. 2. charset
val typeRegex = Regex("""(.*);(?:.*charset=(.*)(?:|;)|)""")
return if (contentTypeValue != null) {
val found = typeRegex.find(contentTypeValue)
val contentType = found?.groupValues?.getOrNull(1)?.ifBlank { null } ?: contentTypeValue
val charset = found?.groupValues?.getOrNull(2)?.ifBlank { null }
WebResourceResponse(contentType, charset, this.body?.byteStream())
} else {
WebResourceResponse("application/octet-stream", null, this.body?.byteStream())
}
}
}

35
app/src/main/java/com/lagradost/cloudstream3/network/WebViewResolver.kt
View file

@ -145,33 +145,14 @@ class WebViewResolver(
// Suppress image requests as we don't display them anywhere
// Less data, low chance of causing issues.
// blockNetworkImage also does this job but i will keep it for the future.
val blacklistedFiles = listOf(
".jpg",
".png",
".webp",
".mpg",
".mpeg",
".jpeg",
".webm",
".mp4",
".mp3",
".gifv",
".flv",
".asf",
".mov",
".mng",
".mkv",
".ogg",
".avi",
".wav",
".woff2",
".woff",
".ttf",
".css",
".vtt",
".srt",
".ts",
".gif",
val blacklistedFiles = listOf(
".jpg", ".png", ".webp", ".mpg",
".mpeg", ".jpeg", ".webm", ".mp4",
".mp3", ".gifv", ".flv", ".asf",
".mov", ".mng", ".mkv", ".ogg",
".avi", ".wav", ".woff2", ".woff",
".ttf", ".vtt", ".srt",
".ts", ".gif",
// Warning, this might fuck some future sites, but it's used to make Sflix work.
"wss://"
)