Developer Libraries » Trusted Intents

package info.guardianproject.trustedintents.test;

import android.content.pm.PackageInfo;

import android.content.pm.PackageManager;

import android.content.pm.PackageManager.NameNotFoundException;

import android.content.pm.Signature;

import android.test.AndroidTestCase;

import android.util.Log;

import com.android.AndroidIncludedAppsPin;

import com.android.AndroidSystemPin;

import info.guardianproject.trustedintents.TrustedIntents;

public class TrustedIntentsTests extends AndroidTestCase {

    private static final String TAG = "TrustedIntentsTests";

    PackageManager pm;

    final String[] packagesSignedBy61ed377e85d386a8dfee6b864bd85b0bfaa5af81 = new String[] {

            "com.android.browser", "com.android.calculator2", "com.android.calendar",

            "com.android.dreams.basic", "com.android.providers.calendar",

            "com.android.camera", "com.android.deskclock", "com.android.gesture.builder",

            "com.android.smoketest", "com.android.smoketest.tests",

            "com.android.emulator.connectivity.test", "com.android.development_settings",

            "com.android.email", "com.example.android.livecubes", "com.android.exchange"

    };

    final String[] packagesSignedBy27196e386b875e76adf700e7ea84e4c6eee33dfa = new String[] {

            "android", "com.android.certinstaller", "com.android.backupconfirm",

            "com.android.keyguard", "com.android.sdksetup", "com.android.sharedstoragebackup",

            "com.android.customlocale2", "com.android.development", "com.android.documentsui",

            "com.android.externalstorage", "com.android.location.fused", "com.android.inputdevices"

    };

    @Override

    public void setUp() {

        pm = getContext().getPackageManager();

    }

    private void checkAreSignaturesEqual(String[] packages) {

        Signature[] first = null;

        Signature[] second = null;

        for (int i = 0; i < packages.length; i++) {

            try {

                PackageInfo pkgInfo = pm.getPackageInfo(packages[i], PackageManager.GET_SIGNATURES);

                first = pkgInfo.signatures;

            } catch (NameNotFoundException e) {

                Log.w(TAG, "NameNotFoundException: " + e.getMessage());

                continue;

            }

            for (int j = 0; j < packages.length; j++) {

                if (i == j)

                    continue;

                try {

                    PackageInfo pkgInfo = pm.getPackageInfo(packages[j],

                            PackageManager.GET_SIGNATURES);

                    second = pkgInfo.signatures;

                } catch (NameNotFoundException e) {

                    Log.w(TAG, "NameNotFoundException: " + e.getMessage());

                    continue;

                }

                assertTrue(TrustedIntents.get().areSignaturesEqual(first, second));

            }

        }

    }

    public void testCheckAreSignaturesEqual() {

        checkAreSignaturesEqual(packagesSignedBy61ed377e85d386a8dfee6b864bd85b0bfaa5af81);

        checkAreSignaturesEqual(packagesSignedBy27196e386b875e76adf700e7ea84e4c6eee33dfa);

    }

    public void testCheckAreSignaturesNotEqual() {

        assertFalse(TrustedIntents.get().areSignaturesEqual(

                new AndroidIncludedAppsPin().getSignatures(),

                new AndroidSystemPin().getSignatures()));

        PackageInfo pkgInfo;

        Signature[] first = null;

        Signature[] second = null;

        int length = packagesSignedBy27196e386b875e76adf700e7ea84e4c6eee33dfa.length;

        if (length > packagesSignedBy61ed377e85d386a8dfee6b864bd85b0bfaa5af81.length)

            length = packagesSignedBy61ed377e85d386a8dfee6b864bd85b0bfaa5af81.length;

        for (int i = 0; i < length; i++) {

            try {

                pkgInfo = pm.getPackageInfo(

                        packagesSignedBy27196e386b875e76adf700e7ea84e4c6eee33dfa[i],

                        PackageManager.GET_SIGNATURES);

                first = pkgInfo.signatures;

                pkgInfo = pm.getPackageInfo(

                        packagesSignedBy61ed377e85d386a8dfee6b864bd85b0bfaa5af81[i],

                        PackageManager.GET_SIGNATURES);

                second = pkgInfo.signatures;

            } catch (NameNotFoundException e) {

                Log.w(TAG, "NameNotFoundException: " + e.getMessage());

                continue;

            }

            assertFalse(TrustedIntents.get().areSignaturesEqual(first, second));

        }

    }

}