Add recaptcha

app/build.gradle.kts

@@ -28,6 +28,8 @@ android {
         vectorDrawables {
             useSupportLibrary = true
         }
+
+        buildConfigField("String", "RECAPTCHA_API_SITE_KEY", "\"6LfaxOgpAAAAAI3Sj4rtB2oAFjkRJILiGEt-LUsc\"")
     }
 
     buildTypes {
@@ -116,6 +118,7 @@ dependencies {
     // Others
     implementation(libs.kotlinx.serialization)
     implementation(libs.androidx.core.splashscreen)
+    implementation(libs.recaptcha)
 
     // Test
     testImplementation(libs.junit)

app/src/main/java/com/infomaniak/swisstransfer/di/ApplicationModule.kt

@@ -17,7 +17,9 @@
  */
 package com.infomaniak.swisstransfer.di
 
+import android.app.Application
 import com.infomaniak.multiplatform_swisstransfer.SwissTransferInjection
+import com.infomaniak.swisstransfer.ui.MainApplication
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
@@ -30,6 +32,9 @@ import javax.inject.Singleton
 @InstallIn(SingletonComponent::class)
 object ApplicationModule {
 
+    @Provides
+    fun providesMainApplication(application: Application) = application as MainApplication
+
     @Provides
     @Singleton
     fun providesSwissTransferInjection() = SwissTransferInjection()

app/src/main/java/com/infomaniak/swisstransfer/ui/MainApplication.kt

@@ -21,6 +21,7 @@ import android.app.Application
 import com.infomaniak.multiplatform_swisstransfer.SwissTransferInjection
 import com.infomaniak.swisstransfer.BuildConfig
 import com.infomaniak.swisstransfer.ui.utils.AccountUtils
+import com.infomaniak.swisstransfer.ui.utils.UploadRecaptcha
 import dagger.hilt.android.HiltAndroidApp
 import io.sentry.SentryEvent
 import io.sentry.SentryOptions
@@ -36,13 +37,19 @@ class MainApplication : Application() {
     @Inject
     lateinit var swissTransferInjection: SwissTransferInjection
 
+    @Inject
+    lateinit var uploadRecaptcha: UploadRecaptcha
+
     @Inject
     lateinit var globalCoroutineScope: CoroutineScope
 
     override fun onCreate() {
         super.onCreate()
 
-        configureAccountUtils()
+        globalCoroutineScope.launch {
+            AccountUtils.init(swissTransferInjection)
+            uploadRecaptcha.initializeClient()
+        }
 
         SentryAndroid.init(this) { options: SentryAndroidOptions ->
             // Register the callback as an option
@@ -52,8 +59,4 @@ class MainApplication : Application() {
             }
         }
     }
-
-    private fun configureAccountUtils() {
-        globalCoroutineScope.launch { AccountUtils.init(swissTransferInjection) }
-    }
 }

app/src/main/java/com/infomaniak/swisstransfer/ui/utils/UploadRecaptcha.kt

@@ -0,0 +1,73 @@
+/*
+ * Infomaniak SwissTransfer - Android
+ * Copyright (C) 2024 Infomaniak Network SA
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.infomaniak.swisstransfer.ui.utils
+
+import android.app.Application
+import android.util.Log
+import com.google.android.recaptcha.Recaptcha
+import com.google.android.recaptcha.RecaptchaAction
+import com.google.android.recaptcha.RecaptchaClient
+import com.infomaniak.swisstransfer.BuildConfig
+import com.infomaniak.swisstransfer.ui.MainApplication
+import javax.inject.Inject
+
+/**
+ * A class responsible for handling reCAPTCHA verification for uploads.
+ *
+ * This class uses the Google reCAPTCHA API to verify user actions and prevent abuse.
+ * It initializes a reCAPTCHA client and provides a method to fetch a reCAPTCHA code.
+ *
+ * @property application The application context.
+ */
+class UploadRecaptcha @Inject constructor(private val application: MainApplication) {
+
+    private var client: RecaptchaClient? = null
+
+    /**
+     * Initializes the reCAPTCHA client.
+     *
+     * This method should be called before attempting to fetch a reCAPTCHA code.
+     * It fetches the reCAPTCHA client using the provided API site key.
+     * If an error occurs during initialization, it logs the error message.
+     * It MUST be called in the MainApplication.
+     */
+    suspend fun initializeClient() {
+        runCatching {
+            client = Recaptcha.fetchClient(application, BuildConfig.RECAPTCHA_API_SITE_KEY)
+        }.onFailure {
+            Log.e("Recaptcha", "Getting Recaptcha client failed with an exception", it)
+        }
+    }
+
+    /**
+     * Fetches a reCAPTCHA code.
+     *
+     * This method executes the reCAPTCHA challenge and retrieves the code.
+     * The code is then passed to the provided callback function.
+     *
+     * @param callback A function that receives the reCAPTCHA code as a string.
+     *                 The code may be null if an error occurred.
+     */
+    suspend fun fetchCode(callback: (String?) -> Unit) {
+        callback(client?.execute(RecaptchaAction.LOGIN)?.getOrNull())
+    }
+
+    companion object {
+        private const val TAG = "UploadRecaptcha"
+    }
+}

gradle/libs.versions.toml

@@ -19,6 +19,7 @@ serialization = "1.7.1"
 swisstransfer = "0.3.0"
 sentry = "4.12.0"
 sentry-android = "7.15.0"
+recaptcha = "18.6.1"
 
 [libraries]
 androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
@@ -45,6 +46,7 @@ kotlinx-serialization = { module = "org.jetbrains.kotlinx:kotlinx-serialization-
 navigation-compose = { group = "androidx.navigation", name = "navigation-compose", version.ref = "navigation" }
 swisstransfer-core = { module = "com.github.Infomaniak.multiplatform-SwissTransfer:STCore", version.ref = "swisstransfer" }
 sentry-android = { module = "io.sentry:sentry-android", version.ref = "sentry-android" }
+recaptcha = { module = "com.google.android.recaptcha:recaptcha", version.ref = "recaptcha" }
 # Tests
 androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
 junit = { group = "junit", name = "junit", version.ref = "junit" }