feat(TV UI): Accounts PIN login support

app/build.gradle.kts

@@ -217,6 +217,7 @@ dependencies {
     implementation("com.github.discord:OverlappingPanels:0.1.5") // Gestures
     implementation ("androidx.biometric:biometric:1.2.0-alpha05") // Fingerprint Authentication
     implementation("com.github.rubensousa:previewseekbar-media3:1.1.1.0") // SeekBar Preview
+    implementation("io.github.g0dkar:qrcode-kotlin:4.1.1") // QR code for PIN Auth on TV
 
     // Extensions & Other Libs
     implementation("org.mozilla:rhino:1.7.15") // run JavaScript

app/src/main/java/com/lagradost/cloudstream3/syncproviders/OAuth2API.kt

@@ -5,7 +5,23 @@ import androidx.fragment.app.FragmentActivity
 interface OAuth2API : AuthAPI {
     val key: String
     val redirectUrl: String
+    val supportDeviceAuth: Boolean
 
     suspend fun handleRedirect(url: String) : Boolean
     fun authenticate(activity: FragmentActivity?)
+    suspend fun getDevicePin() : PinAuthData? {
+        return null
+    }
+
+    suspend fun handleDeviceAuth(pinAuthData: PinAuthData) : Boolean {
+        return false
+    }
+
+    data class PinAuthData(
+        val deviceCode: String,
+        val userCode: String,
+        val verificationUrl: String,
+        val expiresIn: Int,
+        val interval: Int,
+    )
 }

app/src/main/java/com/lagradost/cloudstream3/syncproviders/providers/AniListApi.kt

@@ -32,6 +32,7 @@ class AniListApi(index: Int) : AccountManager(index), SyncAPI {
     override val redirectUrl = "anilistlogin"
     override val idPrefix = "anilist"
     override var requireLibraryRefresh = true
+    override val supportDeviceAuth = false
     override var mainUrl = "https://anilist.co"
     override val icon = R.drawable.ic_anilist_icon
     override val requiresLogin = false

app/src/main/java/com/lagradost/cloudstream3/syncproviders/providers/DropboxApi.kt

@@ -11,6 +11,7 @@ class Dropbox : OAuth2API {
     override val key = "zlqsamadlwydvb2"
     override val redirectUrl = "dropboxlogin"
     override val requiresLogin = true
+    override val supportDeviceAuth = false
     override val createAccountUrl: String? = null
 
     override val icon: Int

app/src/main/java/com/lagradost/cloudstream3/syncproviders/providers/LocalList.kt

@@ -21,6 +21,7 @@ class LocalList : SyncAPI {
     override val name = "Local"
     override val icon: Int = R.drawable.ic_baseline_storage_24
     override val requiresLogin = false
+    override val supportDeviceAuth = false
     override val createAccountUrl: Nothing? = null
     override val idPrefix = "local"
     override var requireLibraryRefresh = true

app/src/main/java/com/lagradost/cloudstream3/syncproviders/providers/MALApi.kt

@@ -40,6 +40,7 @@ class MALApi(index: Int) : AccountManager(index), SyncAPI {
     private val apiUrl = "https://api.myanimelist.net"
     override val icon = R.drawable.mal_logo
     override val requiresLogin = false
+    override val supportDeviceAuth = false
     override val syncIdName = SyncIdName.MyAnimeList
     override var requireLibraryRefresh = true
     override val createAccountUrl = "$mainUrl/register.php"

app/src/main/java/com/lagradost/cloudstream3/syncproviders/providers/SimklApi.kt

@@ -22,6 +22,7 @@ import com.lagradost.cloudstream3.mvvm.logError
 import com.lagradost.cloudstream3.mvvm.suspendSafeApiCall
 import com.lagradost.cloudstream3.syncproviders.AccountManager
 import com.lagradost.cloudstream3.syncproviders.AuthAPI
+import com.lagradost.cloudstream3.syncproviders.OAuth2API
 import com.lagradost.cloudstream3.syncproviders.SyncAPI
 import com.lagradost.cloudstream3.syncproviders.SyncIdName
 import com.lagradost.cloudstream3.ui.SyncWatchType
@@ -45,6 +46,7 @@ class SimklApi(index: Int) : AccountManager(index), SyncAPI {
     override var name = "Simkl"
     override val key = "simkl-key"
     override val redirectUrl = "simkl"
+    override val supportDeviceAuth = true
     override val idPrefix = "simkl"
     override var requireLibraryRefresh = true
     override var mainUrl = "https://api.simkl.com"
@@ -267,6 +269,21 @@ class SimklApi(index: Int) : AccountManager(index), SyncAPI {
             )
         }
 
+        data class PinAuthResponse(
+            @JsonProperty("result") val result: String,
+            @JsonProperty("device_code") val deviceCode: String,
+            @JsonProperty("user_code") val userCode: String,
+            @JsonProperty("verification_url") val verificationUrl: String,
+            @JsonProperty("expires_in") val expiresIn: Int,
+            @JsonProperty("interval") val interval: Int,
+        )
+
+        data class PinExchangeResponse(
+            @JsonProperty("result") val result: String,
+            @JsonProperty("message") val message: String? = null,
+            @JsonProperty("access_token") val accessToken: String? = null,
+        )
+
         // -------------------
         data class ActivitiesResponse(
             val all: String?,
@@ -1045,6 +1062,44 @@ class SimklApi(index: Int) : AccountManager(index), SyncAPI {
         return simklUrlRegex.find(url)?.groupValues?.get(1) ?: ""
     }
 
+    override suspend fun getDevicePin(): OAuth2API.PinAuthData? {
+        val pinAuthResp = app.get(
+            "$mainUrl/oauth/pin?client_id=$clientId&redirect_uri=$appString://${redirectUrl}"
+        ).parsedSafe<PinAuthResponse>() ?: return null
+
+        return OAuth2API.PinAuthData(
+            deviceCode = pinAuthResp.deviceCode,
+            userCode = pinAuthResp.userCode,
+            verificationUrl = pinAuthResp.verificationUrl,
+            expiresIn = pinAuthResp.expiresIn,
+            interval = pinAuthResp.interval
+        )
+    }
+
+    override suspend fun handleDeviceAuth(pinAuthData: OAuth2API.PinAuthData): Boolean {
+        val pinAuthResp = app.get(
+            "$mainUrl/oauth/pin/${pinAuthData.userCode}?client_id=$clientId"
+        ).parsedSafe<PinExchangeResponse>() ?: return false
+
+        if (pinAuthResp.accessToken != null) {
+            switchToNewAccount()
+            setKey(accountId, SIMKL_TOKEN_KEY, pinAuthResp.accessToken)
+
+            val user = getUser()
+            if (user == null) {
+                removeKey(accountId, SIMKL_TOKEN_KEY)
+                switchToOldAccount()
+                return false
+            }
+
+            setKey(accountId, SIMKL_USER_KEY, user)
+            registerAccount()
+            requireLibraryRefresh = true
+            return true
+        }
+        return false
+    }
+
     override suspend fun handleRedirect(url: String): Boolean {
         val uri = url.toUri()
         val state = uri.getQueryParameter("state")

app/src/main/java/com/lagradost/cloudstream3/ui/result/UiText.kt

@@ -1,6 +1,7 @@
 package com.lagradost.cloudstream3.ui.result
 
 import android.content.Context
+import android.graphics.Bitmap
 import android.util.Log
 import android.widget.ImageView
 import android.widget.TextView
@@ -84,12 +85,14 @@ sealed class UiImage {
     ) : UiImage()
 
     data class Drawable(@DrawableRes val resId: Int) : UiImage()
+    data class Bitmap(val bitmap: android.graphics.Bitmap) : UiImage()
 }
 
 fun ImageView?.setImage(value: UiImage?, fadeIn: Boolean = true) {
     when (value) {
         is UiImage.Image -> setImageImage(value, fadeIn)
         is UiImage.Drawable -> setImageDrawable(value)
+        is UiImage.Bitmap -> setImageBitmap(value)
         null -> {
             this?.isVisible = false
         }
@@ -107,6 +110,12 @@ fun ImageView?.setImageDrawable(value: UiImage.Drawable) {
     this.setImage(UiImage.Drawable(value.resId))
 }
 
+fun ImageView?.setImageBitmap(value: UiImage.Bitmap) {
+    if (this == null) return
+    this.isVisible = true
+    this.setImageBitmap(value.bitmap)
+}
+
 @JvmName("imgNull")
 fun img(
     url: String?,
@@ -129,6 +138,10 @@ fun img(@DrawableRes drawable: Int): UiImage {
     return UiImage.Drawable(drawable)
 }
 
+fun img(bitmap: Bitmap): UiImage {
+    return UiImage.Bitmap(bitmap)
+}
+
 fun txt(value: String): UiText {
     return UiText.DynamicString(value)
 }

app/src/main/java/com/lagradost/cloudstream3/ui/settings/SettingsAccount.kt

@@ -1,8 +1,9 @@
 package com.lagradost.cloudstream3.ui.settings
 
+import android.graphics.Bitmap
 import android.os.Bundle
 import android.view.View
-import android.view.View.*
+import android.view.View.FOCUS_DOWN
 import android.view.inputmethod.EditorInfo
 import android.widget.TextView
 import androidx.annotation.UiThread
@@ -21,6 +22,7 @@ import com.lagradost.cloudstream3.R
 import com.lagradost.cloudstream3.databinding.AccountManagmentBinding
 import com.lagradost.cloudstream3.databinding.AccountSwitchBinding
 import com.lagradost.cloudstream3.databinding.AddAccountInputBinding
+import com.lagradost.cloudstream3.databinding.DeviceAuthBinding
 import com.lagradost.cloudstream3.mvvm.logError
 import com.lagradost.cloudstream3.syncproviders.AccountManager
 import com.lagradost.cloudstream3.syncproviders.AccountManager.Companion.aniListApi
@@ -31,6 +33,10 @@ import com.lagradost.cloudstream3.syncproviders.AccountManager.Companion.subDlAp
 import com.lagradost.cloudstream3.syncproviders.AuthAPI
 import com.lagradost.cloudstream3.syncproviders.InAppAuthAPI
 import com.lagradost.cloudstream3.syncproviders.OAuth2API
+import com.lagradost.cloudstream3.ui.result.img
+import com.lagradost.cloudstream3.ui.result.setImage
+import com.lagradost.cloudstream3.ui.result.setText
+import com.lagradost.cloudstream3.ui.result.txt
 import com.lagradost.cloudstream3.ui.settings.Globals.EMULATOR
 import com.lagradost.cloudstream3.ui.settings.Globals.PHONE
 import com.lagradost.cloudstream3.ui.settings.Globals.TV
@@ -50,9 +56,12 @@ import com.lagradost.cloudstream3.utils.BiometricAuthenticator.promptInfo
 import com.lagradost.cloudstream3.utils.BiometricAuthenticator.startBiometricAuthentication
 import com.lagradost.cloudstream3.utils.Coroutines.ioSafe
 import com.lagradost.cloudstream3.utils.SingleSelectionHelper.showBottomDialogText
+import com.lagradost.cloudstream3.utils.UIHelper.colorFromAttribute
 import com.lagradost.cloudstream3.utils.UIHelper.dismissSafe
 import com.lagradost.cloudstream3.utils.UIHelper.hideKeyboard
 import com.lagradost.cloudstream3.utils.UIHelper.setImage
+import kotlinx.coroutines.delay
+import qrcode.QRCode
 
 class SettingsAccount : PreferenceFragmentCompat(), BiometricAuthenticator.BiometricAuthCallback {
     companion object {
@@ -133,8 +142,86 @@ class SettingsAccount : PreferenceFragmentCompat(), BiometricAuthenticator.Biome
             try {
                 when (api) {
                     is OAuth2API -> {
+                        if (isLayout(TV or EMULATOR) && api.supportDeviceAuth && activity != null) {
+                            val binding: DeviceAuthBinding =
+                                DeviceAuthBinding.inflate(activity.layoutInflater, null, false)
+                            val builder =
+                                AlertDialog.Builder(activity)
+                                    .setView(binding.root)
+
+                            builder.setNegativeButton(R.string.cancel) { _, _ -> }
+                            builder.setPositiveButton(R.string.auth_locally) { _, _ ->
                                 api.authenticate(activity)
                             }
+                            val dialog = builder.create()
+
+                            ioSafe {
+                                try {
+                                    val pinCodeData = api.getDevicePin()
+                                    if (pinCodeData == null) {
+                                        activity.runOnUiThread {
+                                            showToast(
+                                                activity.getString(R.string.device_pin_error_message)
+                                            )
+                                        }
+                                        api.authenticate(activity)
+                                        return@ioSafe
+                                    }
+
+                                    val qrCodeImage = QRCode.ofRoundedSquares()
+                                        .withColor(activity.colorFromAttribute(R.attr.colorPrimary))
+                                        .build(pinCodeData.verificationUrl)
+                                        .render().nativeImage() as Bitmap
+
+                                    activity.runOnUiThread {
+                                        dialog.show()
+                                        binding.devicePinCode.setText(txt(pinCodeData.userCode))
+                                        binding.deviceAuthMessage.setText(txt(R.string.device_pin_url_message, pinCodeData.verificationUrl))
+                                        binding.deviceAuthQrcode.setImage(
+                                            img(qrCodeImage)
+                                        )
+                                    }
+
+                                    var expirationCounter = pinCodeData.expiresIn
+
+                                    while (expirationCounter > 0) {
+                                        activity.runOnUiThread {
+                                            binding.deviceAuthValidationCounter.setText(
+                                                txt(
+                                                    R.string.device_pin_counter_text, expirationCounter.div(60) , expirationCounter.rem(60)
+                                                )
+                                            )
+                                        }
+
+                                        if (expirationCounter.rem(pinCodeData.interval)  == 0 && api.handleDeviceAuth(pinCodeData)) {
+                                            activity.runOnUiThread {
+                                                    showToast(
+                                                        activity.getString(R.string.authenticated_user)
+                                                            .format(
+                                                                api.name
+                                                            )
+                                                    )
+                                                dialog.dismissSafe(activity)
+                                            }
+                                            return@ioSafe
+                                        }
+                                        delay(1000)
+                                        expirationCounter--
+                                    }
+                                    activity.runOnUiThread {
+                                        showToast(
+                                            activity.getString(R.string.device_pin_expired_message)
+                                        )
+                                        dialog.dismissSafe(activity)
+                                    }
+                                } catch (e: Exception) {
+                                    logError(e)
+                                }
+                            }
+                        } else {
+                            api.authenticate(activity)
+                        }
+                    }
 
                     is InAppAuthAPI -> {
                         if (activity == null) return

app/src/main/res/layout/device_auth.xml

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/device_pin_code"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="10dp"
+            android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+            android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
+            android:textColor="?attr/colorPrimary"
+            android:textSize="30sp"
+            android:textStyle="bold"
+            tools:text="YJTSKL" />
+
+        <TextView
+            android:id="@+id/device_auth_message"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:layout_gravity="center_horizontal"
+            android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+            android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
+            android:textColor="?attr/textColor"
+            android:textSize="17sp"
+            tools:text="Visit simkl.com/pin on your smartphone or computer and enter the above code" />
+
+        <ImageView
+            android:id="@+id/device_auth_qrcode"
+            android:layout_marginTop="20dp"
+            android:layout_width="200dp"
+            android:layout_height="200dp"
+            android:scaleType="fitCenter"
+            android:adjustViewBounds="true"
+            android:layout_gravity="center_horizontal"
+            android:visibility="visible"
+            android:background="?attr/primaryGrayBackground"
+            android:contentDescription="@string/qr_image"
+            tools:visibility="visible"
+            tools:src="@drawable/example_qr" />
+
+        <TextView
+            android:id="@+id/device_auth_validation_counter"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:layout_gravity="center_horizontal"
+            android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+            android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
+            android:textColor="?attr/textColor"
+            android:textSize="17sp"
+            tools:text="Code expires in 13m 2s" />
+
+</LinearLayout>

app/src/main/res/values/strings.xml

@@ -492,6 +492,7 @@
     <string name="account">account</string>
     <string name="logout">Log out</string>
     <string name="login">Log in</string>
+    <string name="auth_locally">Auth Locally</string>
     <string name="switch_account">Switch account</string>
     <string name="add_account">Add account</string>
     <string name="create_account">Create account</string>
@@ -557,6 +558,7 @@
     <string name="quality_sdr">SDR</string>
     <string name="quality_webrip">Web</string>
     <string name="poster_image">Poster Image</string>
+    <string name="qr_image">QR Code Image</string>
     <string name="category_player">Player</string>
     <string name="resolution_and_title">Resolution and title</string>
     <string name="title">Title</string>
@@ -775,4 +777,8 @@
     <string name="custom_media_singluar">Media</string>
     <string name="reset_btn">Reset</string>
     <string name="cs3wiki">CloudStream Wiki</string>
+    <string name="device_pin_url_message">Visit <b>%s</b> on your smartphone or computer and enter the above code</string>
+    <string name="device_pin_error_message">"Can't get the device PIN code, try local authentication"</string>
+    <string name="device_pin_expired_message">"PIN code is now expired !"</string>
+    <string name="device_pin_counter_text">"Code expires in %1$dm %2$ds"</string>
 </resources>