create captcha module with checking

recaptcha/.gitignore

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+/build

recaptcha/README.md

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+recaptcha
+=====
+
+Модуль содержит класс `RecaptchaController` - служит для проверки используемого сервиса (Huawei или Google) и показа диалога с каптчёй
+
+Для использования модуля нужно добавить json файл с сервисами в корневую папку проекта
+
+### Конструктор
+`googleRecaptchaKey` - ключ для google recaptcha
+`huaweiAppId` - `id` приложения для huawei captcha
+`onNewTokenReceived` - callback на успешную проверку каптчи
+`processThrowable` - callback на ошибку проверки каптчи

recaptcha/build.gradle

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+apply from: "../android-configs/lib-config.gradle"
+apply plugin: 'com.huawei.agconnect'
+
+dependencies {
+    implementation project(':kotlin-extensions')
+    implementation "androidx.core:core"
+    implementation "androidx.annotation:annotation"
+    implementation "com.google.android.material:material"
+    implementation "com.google.android.gms:play-services-safetynet"
+    implementation "com.google.android.gms:play-services-base"
+    implementation "com.huawei.hms:safetydetect"
+
+    constraints {
+        implementation("androidx.core:core") {
+            version {
+                require '1.0.0'
+            }
+        }
+
+        implementation("androidx.annotation:annotation") {
+            version {
+                require '1.1.0'
+            }
+        }
+
+        implementation("com.google.android.gms:play-services-safetynet") {
+            version {
+                require '17.0.0'
+            }
+        }
+
+        implementation("com.google.android.gms:play-services-base") {
+            version {
+                require '18.0.1'
+            }
+        }
+
+        implementation("com.huawei.hms:safetydetect") {
+            version {
+                require '4.0.3.300'
+            }
+        }
+
+        implementation("com.google.android.material:material") {
+            version {
+                require '1.2.0-rc01'
+            }
+        }
+    }
+}

recaptcha/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    package="ru.touchin.recaptcha">
+
+</manifest>

recaptcha/src/main/java/ru/touchin/recaptcha/RecaptchaController.kt

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+package ru.touchin.recaptcha
+
+import android.app.Activity
+import com.google.android.gms.safetynet.SafetyNet
+import com.huawei.hms.support.api.safetydetect.SafetyDetect
+import ru.touchin.recaptcha.ServicesUtils.checkGooglePlayServices
+import ru.touchin.recaptcha.ServicesUtils.checkHuaweiServices
+
+class RecaptchaController(
+        private val activity: Activity,
+        private val googleRecaptchaKey: String? = null,
+        private val huaweiAppId: String? = null,
+        private val onNewTokenReceived: (String) -> Unit,
+        private val processThrowable: (Throwable) -> Unit
+) {
+
+    fun showRecaptchaAlert() {
+        when {
+            checkHuaweiServices(activity) -> showHuaweiCaptcha()
+            checkGooglePlayServices(activity) -> showGoogleCaptcha()
+        }
+    }
+
+    private fun showGoogleCaptcha() {
+        if (googleRecaptchaKey != null) {
+            SafetyNet.getClient(activity)
+                    .verifyWithRecaptcha(googleRecaptchaKey)
+                    .addOnSuccessListener(activity) { response ->
+                        onServiceTokenResponse(response?.tokenResult)
+                    }
+                    .addOnFailureListener(activity, processThrowable)
+        }
+    }
+
+    private fun showHuaweiCaptcha() {
+        if (huaweiAppId != null) {
+            val huaweiSafetyDetectClient = SafetyDetect.getClient(activity)
+            huaweiSafetyDetectClient.initUserDetect()
+                    .addOnSuccessListener {
+                        huaweiSafetyDetectClient.userDetection(huaweiAppId)
+                                .addOnSuccessListener { response ->
+                                    onServiceTokenResponse(response?.responseToken)
+                                }
+                                .addOnFailureListener(activity, processThrowable)
+                    }
+                    .addOnFailureListener(activity, processThrowable)
+        }
+    }
+
+    private fun onServiceTokenResponse(newToken: String?) {
+        if (!newToken.isNullOrBlank()) {
+            onNewTokenReceived.invoke(newToken)
+        } else {
+            processThrowable.invoke(EmptyCaptchaTokenException())
+        }
+    }
+
+}
+
+class EmptyCaptchaTokenException : Throwable("Captcha token is empty")

recaptcha/src/main/java/ru/touchin/recaptcha/ServicesUtils.kt

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+package ru.touchin.recaptcha
+
+import android.content.Context
+import com.google.android.gms.common.ConnectionResult
+import com.google.android.gms.common.GoogleApiAvailability
+import com.huawei.hms.api.HuaweiApiAvailability
+
+//TODO: in the future move to a module with services
+object ServicesUtils {
+
+    fun checkHuaweiServices(context: Context): Boolean =
+            HuaweiApiAvailability.getInstance()
+                    .isHuaweiMobileNoticeAvailable(context) == ConnectionResult.SUCCESS
+
+    fun checkGooglePlayServices(context: Context): Boolean =
+            GoogleApiAvailability.getInstance()
+                    .isGooglePlayServicesAvailable(context) == ConnectionResult.SUCCESS
+
+}