IsNativeAppInstalled

components/installedapp/android/java/src/org/chromium/device/installedapp/InstalledAppProviderImpl.java

Index: components/installedapp/android/java/src/org/chromium/device/installedapp/InstalledAppProviderImpl.java
diff --git a/components/installedapp/android/java/src/org/chromium/device/installedapp/InstalledAppProviderImpl.java b/components/installedapp/android/java/src/org/chromium/device/installedapp/InstalledAppProviderImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..9c26c08434ea8b352f15f1d71783053317671743
--- /dev/null
+++ b/components/installedapp/android/java/src/org/chromium/device/installedapp/InstalledAppProviderImpl.java
@@ -0,0 +1,73 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.components.installedapp;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+
+import org.chromium.mojom.components.InstalledAppProvider;
+import org.chromium.mojo.system.MojoException;
+
+import java.util.Map;
+import android.util.Log;
+import java.util.Arrays;
+import java.util.HashSet;
+
+/**
+ * This is the implementation of the C++ counterpart InstalledAppProvider.
+ */
+public class InstalledAppProviderImpl implements InstalledAppProvider {
+    private Context mContext;
+
+    public InstalledAppProviderImpl(Context context) {
+        // Log.w("TAG", "Installed app provider made!.");
+        mContext = context;
+    }
+
+    @Override
+    public void isAppInstalled(
+            String asset1, String asset2, String origin, IsAppInstalledResponse callback) {
+        // PackageManager pm = mContext.getPackageManager();
+        // callback.call(AssociationVerifier.verifyCertFingerprints(asset1, asset2, pm) &&
+        // AssociationVerifier.isOriginAssociatedWithPackage(asset1, origin, pm));
+    }
+
+    @Override
+    public void isNativeAppInstalled(Map<String, String[]> verification, String origin,
+            IsNativeAppInstalledResponse callback) {
+        // TODO: fill in.
+        String[] packageName = verification.get("packageName");
+        String[] key = verification.get("signingKey");
+        if (packageName == null || packageName.length == 0 || key == null || key.length == 0) {
+            callback.call(false);
+            return;
+        }
+
+        callback.call(isPackageVerified(packageName[0], key, origin));
+    }
+
+    @Override
+    public void close() {}
+
+    @Override
+    public void onConnectionError(MojoException e) {}
+
+    private boolean isPackageVerified(String packageName, String[] signingKeys, String origin) {
+        // HashSet<String> keySet = new HashSet<String>(Arrays.asList(signingKeys));
+        String signingKey = signingKeys[0];
+        if (packageName.length() == 0 || signingKey.length() == 0 || origin.length() == 0) {
+            Log.w("TAG", "Oh no.");
+            return false;
+        }
+
+        Log.w("TAG", "Oh no2.");
+        Log.w("TAG", packageName + signingKey + origin);
+
+        PackageManager pm = mContext.getPackageManager();
+        return AssociationVerifier.verifyCertFingerprints(
+                       packageName, Arrays.asList(signingKeys), pm)
+                && AssociationVerifier.isOriginAssociatedWithPackage(packageName, origin, pm);
+    }
+}