From f6c20e08d1ab5ea4db33a3715e86812538aa6bf1 Mon Sep 17 00:00:00 2001
From: Patrick Honkonen <1883101+SaintPatrck@users.noreply.github.com>
Date: Thu, 11 Sep 2025 08:49:06 -0400
Subject: [PATCH] [PM-25637] Add CXF module for Credential Exchange support
 (#5858)

---
 build.gradle.kts                 |  2 +
 cxf/.gitignore                   |  1 +
 cxf/build.gradle.kts             | 71 ++++++++++++++++++++++++++++++++
 cxf/consumer-rules.pro           |  0
 cxf/proguard-rules.pro           | 21 ++++++++++
 cxf/src/main/AndroidManifest.xml |  4 ++
 gradle/libs.versions.toml        |  3 ++
 settings.gradle.kts              |  1 +
 8 files changed, 103 insertions(+)
 create mode 100644 cxf/.gitignore
 create mode 100644 cxf/build.gradle.kts
 create mode 100644 cxf/consumer-rules.pro
 create mode 100644 cxf/proguard-rules.pro
 create mode 100644 cxf/src/main/AndroidManifest.xml

diff --git a/build.gradle.kts b/build.gradle.kts
index 882c7d7175..f1d63fb167 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -24,6 +24,7 @@ dependencies {
     kover(project(":authenticator"))
     kover(project(":authenticatorbridge"))
     kover(project(":core"))
+    kover(project(":cxf"))
     kover(project(":data"))
     kover(project(":network"))
     kover(project(":ui"))
@@ -38,6 +39,7 @@ detekt {
         "authenticator/src",
         "authenticatorbridge/src",
         "core/src",
+        "cxf/src",
         "data/src",
         "network/src",
         "ui/src",
diff --git a/cxf/.gitignore b/cxf/.gitignore
new file mode 100644
index 0000000000..796b96d1c4
--- /dev/null
+++ b/cxf/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/cxf/build.gradle.kts b/cxf/build.gradle.kts
new file mode 100644
index 0000000000..5fe3a900e8
--- /dev/null
+++ b/cxf/build.gradle.kts
@@ -0,0 +1,71 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
+plugins {
+    alias(libs.plugins.android.library)
+    alias(libs.plugins.google.services)
+    alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.kotlin.parcelize)
+}
+
+android {
+    namespace = "com.bitwarden.cxf"
+    compileSdk = libs.versions.compileSdk.get().toInt()
+
+    defaultConfig {
+        minSdk = libs.versions.minSdkBwa.get().toInt()
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro",
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility(libs.versions.jvmTarget.get())
+        targetCompatibility(libs.versions.jvmTarget.get())
+    }
+}
+
+kotlin {
+    compilerOptions {
+        jvmTarget = JvmTarget.fromTarget(libs.versions.jvmTarget.get())
+    }
+}
+
+dependencies {
+
+    implementation(project(":annotation"))
+    implementation(project(":core"))
+    implementation(project(":ui"))
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.androidx.compose.runtime)
+    implementation(libs.androidx.credentials)
+    implementation(libs.androidx.credentials.providerevents)
+    implementation(libs.androidx.credentials.providerevents.play.services)
+    implementation(libs.kotlinx.coroutines.android)
+
+    testImplementation(platform(libs.junit.bom))
+    testRuntimeOnly(libs.junit.platform.launcher)
+    testImplementation(libs.junit.junit5)
+    testImplementation(libs.junit.vintage)
+    testImplementation(libs.kotlinx.coroutines.test)
+    testImplementation(libs.mockk.mockk)
+}
+
+tasks {
+    withType<Test> {
+        useJUnitPlatform()
+        maxHeapSize = "2g"
+        maxParallelForks = Runtime.getRuntime().availableProcessors()
+        jvmArgs = jvmArgs.orEmpty() + "-XX:+UseParallelGC"
+    }
+}
diff --git a/cxf/consumer-rules.pro b/cxf/consumer-rules.pro
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/cxf/proguard-rules.pro b/cxf/proguard-rules.pro
new file mode 100644
index 0000000000..f1b424510d
--- /dev/null
+++ b/cxf/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/cxf/src/main/AndroidManifest.xml b/cxf/src/main/AndroidManifest.xml
new file mode 100644
index 0000000000..e100076157
--- /dev/null
+++ b/cxf/src/main/AndroidManifest.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest>
+
+</manifest>
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b0a6662bc5..9aa5ccc309 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -22,6 +22,7 @@ androidxCamera = "1.4.2"
 androidxComposeBom = "2025.08.01"
 androidxCore = "1.17.0"
 androidxCredentials = "1.5.0"
+androidxCredentialsProviderEvents = "1.0.0-alpha02"
 androidxHiltNavigationCompose = "1.2.0"
 androidxLifecycle = "2.9.3"
 androidxNavigation = "2.9.3"
@@ -83,6 +84,8 @@ androidx-compose-ui-tooling-preview = { module = "androidx.compose.ui:ui-tooling
 androidx-core-ktx = { module = "androidx.core:core-ktx", version.ref = "androidxCore" }
 #noinspection CredentialDependency - Used for Passkey support, which is not available below Android 14
 androidx-credentials = { module = "androidx.credentials:credentials", version.ref = "androidxCredentials" }
+androidx-credentials-providerevents = { module = "androidx.credentials.providerevents:providerevents", version.ref = "androidxCredentialsProviderEvents" }
+androidx-credentials-providerevents-play-services = { module = "androidx.credentials.providerevents:providerevents-play-services", version.ref = "androidxCredentialsProviderEvents" }
 androidx-hilt-navigation-compose = { module = "androidx.hilt:hilt-navigation-compose", version.ref = "androidxHiltNavigationCompose" }
 androidx-lifecycle-process = { module = "androidx.lifecycle:lifecycle-process", version.ref = "androidxLifecycle" }
 androidx-lifecycle-runtime-compose = { module = "androidx.lifecycle:lifecycle-runtime-compose", version.ref = "androidxLifecycle" }
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 0c845ca0d6..6adfa7a248 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -53,6 +53,7 @@ include(
     ":authenticator",
     ":authenticatorbridge",
     ":core",
+    ":cxf",
     ":data",
     ":network",
     ":ui",