7 files changed, 268 insertions, 0 deletions
diff --git a/java/res/values/strings.xml b/java/res/values/strings.xml
new file mode 100644
index 00000000..2e570d25
--- /dev/null
+++ b/java/res/values/strings.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2021 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <!-- Title of the IntentResolver application. [CHAR LIMIT=50] -->
+    <string name="app_label">IntentResolver</string>
+
+</resources>
diff --git a/java/src/com/android/intentresolver/ChooserActivity.java b/java/src/com/android/intentresolver/ChooserActivity.java
new file mode 100644
index 00000000..3bd05b8e
--- /dev/null
+++ b/java/src/com/android/intentresolver/ChooserActivity.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.intentresolver;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+/**
+ * Activity for selecting which application ought to handle an ACTION_SEND intent.
+ */
+public final class ChooserActivity extends Activity {
+
+    private static final String TAG = "ChooserActivity";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        ChooserHelper.onChoose(this);
+        finish();
+    }
+}
diff --git a/java/src/com/android/intentresolver/ChooserHelper.java b/java/src/com/android/intentresolver/ChooserHelper.java
new file mode 100644
index 00000000..5e3be849
--- /dev/null
+++ b/java/src/com/android/intentresolver/ChooserHelper.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.intentresolver;
+
+import android.app.Activity;
+import android.app.ActivityTaskManager;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.os.StrictMode;
+
+import androidx.annotation.VisibleForTesting;
+
+/**
+ * When a target is chosen from the SystemUI Chooser activity, unpack its arguments and
+ * startActivityAsCaller to handle the now-chosen intent.
+ */
+public class ChooserHelper {
+
+    private static final String TAG = "ChooserHelper";
+
+    /** Dispatch the selected target indicated in the intent that started the provided Activity. */
+    @VisibleForTesting
+    public static void onChoose(Activity activity) {
+        final Intent thisIntent = activity.getIntent();
+        final Bundle thisExtras = thisIntent.getExtras();
+        final Intent chosenIntent = thisIntent.getParcelableExtra(Intent.EXTRA_INTENT);
+        final Bundle options = thisIntent.getParcelableExtra(ActivityTaskManager.EXTRA_OPTIONS);
+        final IBinder permissionToken =
+                thisExtras.getBinder(ActivityTaskManager.EXTRA_PERMISSION_TOKEN);
+        final boolean ignoreTargetSecurity =
+                thisIntent.getBooleanExtra(ActivityTaskManager.EXTRA_IGNORE_TARGET_SECURITY, false);
+        final int userId = thisIntent.getIntExtra(Intent.EXTRA_USER_ID, -1);
+
+        // We're dispatching intents that might be coming from legacy apps, so
+        // (as in com.android.internal.app.ResolverActivity) exempt ourselves from death.
+        StrictMode.disableDeathOnFileUriExposure();
+        try {
+            activity.startActivityAsCaller(
+                    chosenIntent, options, permissionToken, ignoreTargetSecurity, userId);
+        } finally {
+            StrictMode.enableDeathOnFileUriExposure();
+        }
+    }
+}
diff --git a/java/tests/Android.bp b/java/tests/Android.bp
new file mode 100644
index 00000000..fc78a604
--- /dev/null
+++ b/java/tests/Android.bp
@@ -0,0 +1,33 @@
+package {
+    // See: http://go/android-license-faq
+    default_applicable_licenses: ["packages_modules_IntentResolver_license"],
+}
+
+android_test {
+    name: "IntentResolverUnitTests",
+
+    // Include all test java files.
+    srcs: ["src/**/*.java"],
+
+    libs: [
+        "android.test.runner",
+        "android.test.base",
+        "android.test.mock",
+    ],
+
+    static_libs: [
+        "IntentResolver-core",
+        "androidx.test.rules",
+        "mockito-target-minus-junit4",
+        "androidx.test.espresso.core",
+        "truth-prebuilt",
+        "testables",
+        "testng",
+    ],
+    jni_libs: [
+    ],
+    test_suites: ["general-tests"],
+    min_sdk_version: "30",
+    platform_apis: true,
+    compile_multilib: "both",
+}
diff --git a/java/tests/AndroidManifest.xml b/java/tests/AndroidManifest.xml
new file mode 100644
index 00000000..faf55ecf
--- /dev/null
+++ b/java/tests/AndroidManifest.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2021 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.android.intentresolver.tests">
+
+    <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="21" />
+
+    <uses-permission android:name="android.permission.START_ACTIVITY_AS_CALLER"/>
+
+    <application>
+        <uses-library android:name="android.test.runner" />
+    </application>
+
+    <instrumentation android:name="android.testing.TestableInstrumentation"
+        android:targetPackage="com.android.intentresolver.tests"
+        android:label="Tests for IntentResolver">
+    </instrumentation>
+
+</manifest>
diff --git a/java/tests/AndroidTest.xml b/java/tests/AndroidTest.xml
new file mode 100644
index 00000000..d1d77c10
--- /dev/null
+++ b/java/tests/AndroidTest.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2021 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<configuration description="Run IntentResolver Tests.">
+    <target_preparer class="com.android.tradefed.targetprep.TestAppInstallSetup">
+        <option name="test-file-name" value="IntentResolverUnitTests.apk" />
+    </target_preparer>
+
+    <option name="test-suite-tag" value="apct" />
+    <option name="test-tag" value="IntentResolverUnitTests" />
+    <test class="com.android.tradefed.testtype.AndroidJUnitTest" >
+        <option name="package" value="com.android.intentresolver.tests" />
+        <option name="runner" value="android.testing.TestableInstrumentation" />
+        <option name="hidden-api-checks" value="false"/>
+    </test>
+</configuration>
diff --git a/java/tests/src/com/android/intentresolver/ChooserHelperTest.java b/java/tests/src/com/android/intentresolver/ChooserHelperTest.java
new file mode 100644
index 00000000..d791cd4b
--- /dev/null
+++ b/java/tests/src/com/android/intentresolver/ChooserHelperTest.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.intentresolver.tests;
+
+import static org.mockito.Mockito.any;
+import static org.mockito.Mockito.anyBoolean;
+import static org.mockito.Mockito.anyInt;
+import static org.mockito.Mockito.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.Activity;
+import android.app.ActivityTaskManager;
+import android.content.Intent;
+import android.os.Binder;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.intentresolver.ChooserHelper;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class ChooserHelperTest {
+
+    @Test
+    public void testOnChoose_CallsStartActivityAsCallerWithToken() {
+        final Intent intent = new Intent();
+        final Binder token = new Binder();
+        intent.putExtra(ActivityTaskManager.EXTRA_PERMISSION_TOKEN, token);
+
+        final Activity mockActivity = mock(Activity.class);
+        when(mockActivity.getIntent()).thenReturn(intent);
+
+        ChooserHelper.onChoose(mockActivity);
+        verify(mockActivity, times(1)).startActivityAsCaller(
+                any(), any(), eq(token), anyBoolean(), anyInt());
+    }
+}