Extended api

1 files changed, 0 insertions, 281 deletions

diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/service/remote/RemoteApiService.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/service/remote/RemoteApiService.java
deleted file mode 100644
index 898aad90e..000000000
--- a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/service/remote/RemoteApiService.java
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
- *
- * 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 org.sufficientlysecure.keychain.service.remote;
-
-import java.util.ArrayList;
-import java.util.concurrent.ArrayBlockingQueue;
-import java.util.concurrent.TimeUnit;
-
-import org.sufficientlysecure.keychain.Constants;
-import org.sufficientlysecure.keychain.provider.KeychainContract;
-import org.sufficientlysecure.keychain.provider.ProviderHelper;
-import org.sufficientlysecure.keychain.util.Log;
-import org.sufficientlysecure.keychain.util.PausableThreadPoolExecutor;
-
-import android.app.Service;
-import android.content.Context;
-import android.content.Intent;
-import android.net.Uri;
-import android.os.Binder;
-import android.os.Bundle;
-import android.os.Handler;
-import android.os.Message;
-import android.os.Messenger;
-
-/**
- * Abstract service for remote APIs that handle app registration and user input.
- */
-public abstract class RemoteApiService extends Service {
-    Context mContext;
-
-    final ArrayBlockingQueue<Runnable> mPoolQueue = new ArrayBlockingQueue<Runnable>(100);
-    // TODO: Are these parameters okay?
-    PausableThreadPoolExecutor mThreadPool = new PausableThreadPoolExecutor(2, 4, 10,
-            TimeUnit.SECONDS, mPoolQueue);
-
-    private final Object userInputLock = new Object();
-
-    /**
-     * Override handleUserInput() to handle OKAY (1) and CANCEL (0). After handling the waiting
-     * threads will be notified and the queue resumed
-     */
-    protected class UserInputCallback extends BaseCallback {
-
-        public void handleUserInput(Message msg) {
-        }
-
-        @Override
-        public boolean handleMessage(Message msg) {
-            handleUserInput(msg);
-
-            // resume
-            synchronized (userInputLock) {
-                userInputLock.notifyAll();
-            }
-            mThreadPool.resume();
-            return true;
-        }
-
-    }
-
-    /**
-     * Extends Handler.Callback with OKAY (1), CANCEL (0) variables
-     */
-    private class BaseCallback implements Handler.Callback {
-        public static final int OKAY = 1;
-        public static final int CANCEL = 0;
-
-        @Override
-        public boolean handleMessage(Message msg) {
-            return false;
-        }
-
-    }
-
-    /**
-     * Should be used from Stub implementations of AIDL interfaces to enqueue a runnable for
-     * execution
-     * 
-     * @param r
-     */
-    protected void checkAndEnqueue(Runnable r) {
-        if (isCallerAllowed(false)) {
-            mThreadPool.execute(r);
-
-            Log.d(Constants.TAG, "Enqueued runnable…");
-        } else {
-            String[] callingPackages = getPackageManager()
-                    .getPackagesForUid(Binder.getCallingUid());
-
-            Log.e(Constants.TAG, "Not allowed to use service! Starting activity for registration!");
-            Bundle extras = new Bundle();
-            // TODO: currently simply uses first entry
-            extras.putString(OpenPgpServiceActivity.EXTRA_PACKAGE_NAME, callingPackages[0]);
-
-            RegisterActivityCallback callback = new RegisterActivityCallback();
-            Messenger messenger = new Messenger(new Handler(getMainLooper(), callback));
-
-            pauseQueueAndStartServiceActivity(OpenPgpServiceActivity.ACTION_REGISTER, messenger,
-                    extras);
-
-            if (callback.isAllowed()) {
-                mThreadPool.execute(r);
-                Log.d(Constants.TAG, "Enqueued runnable…");
-            } else {
-                Log.d(Constants.TAG, "User disallowed app!");
-            }
-        }
-    }
-
-    /**
-     * Locks current thread and pauses execution of runnables and starts activity for user input
-     * 
-     * @param action
-     * @param messenger
-     * @param extras
-     */
-    protected void pauseQueueAndStartServiceActivity(String action, Messenger messenger,
-            Bundle extras) {
-        synchronized (userInputLock) {
-            mThreadPool.pause();
-
-            Log.d(Constants.TAG, "starting activity...");
-            Intent intent = new Intent(getBaseContext(), OpenPgpServiceActivity.class);
-            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-            intent.setAction(action);
-
-            extras.putParcelable(OpenPgpServiceActivity.EXTRA_MESSENGER, messenger);
-            intent.putExtras(extras);
-
-            startActivity(intent);
-
-            // lock current thread for user input
-            try {
-                userInputLock.wait();
-            } catch (InterruptedException e) {
-                Log.e(Constants.TAG, "CryptoService", e);
-            }
-        }
-    }
-
-    /**
-     * Retrieves AppSettings from database for the application calling this remote service
-     * 
-     * @return
-     */
-    protected AppSettings getAppSettings() {
-        String[] callingPackages = getPackageManager().getPackagesForUid(Binder.getCallingUid());
-
-        // get app settings for this package
-        for (int i = 0; i < callingPackages.length; i++) {
-            String currentPkg = callingPackages[i];
-
-            Uri uri = KeychainContract.ApiApps.buildByPackageNameUri(currentPkg);
-
-            AppSettings settings = ProviderHelper.getApiAppSettings(this, uri);
-
-            if (settings != null)
-                return settings;
-        }
-
-        return null;
-    }
-
-    class RegisterActivityCallback extends BaseCallback {
-        public static final String PACKAGE_NAME = "package_name";
-
-        private boolean allowed = false;
-        private String packageName;
-
-        public boolean isAllowed() {
-            return allowed;
-        }
-
-        public String getPackageName() {
-            return packageName;
-        }
-
-        @Override
-        public boolean handleMessage(Message msg) {
-            if (msg.arg1 == OKAY) {
-                allowed = true;
-                packageName = msg.getData().getString(PACKAGE_NAME);
-
-                // resume threads
-                if (isPackageAllowed(packageName, false)) {
-                    synchronized (userInputLock) {
-                        userInputLock.notifyAll();
-                    }
-                    mThreadPool.resume();
-                } else {
-                    // Should not happen!
-                    Log.e(Constants.TAG, "Should not happen! Emergency shutdown!");
-                    mThreadPool.shutdownNow();
-                }
-            } else {
-                allowed = false;
-
-                synchronized (userInputLock) {
-                    userInputLock.notifyAll();
-                }
-                mThreadPool.resume();
-            }
-            return true;
-        }
-
-    }
-
-    /**
-     * Checks if process that binds to this service (i.e. the package name corresponding to the
-     * process) is in the list of allowed package names.
-     * 
-     * @param allowOnlySelf
-     *            allow only Keychain app itself
-     * @return true if process is allowed to use this service
-     */
-    private boolean isCallerAllowed(boolean allowOnlySelf) {
-        String[] callingPackages = getPackageManager().getPackagesForUid(Binder.getCallingUid());
-
-        // is calling package allowed to use this service?
-        for (int i = 0; i < callingPackages.length; i++) {
-            String currentPkg = callingPackages[i];
-
-            if (isPackageAllowed(currentPkg, allowOnlySelf)) {
-                return true;
-            }
-        }
-
-        Log.d(Constants.TAG, "Caller is NOT allowed!");
-        return false;
-    }
-
-    /**
-     * Checks if packageName is a registered app for the API.
-     * 
-     * @param packageName
-     * @param allowOnlySelf
-     *            allow only Keychain app itself
-     * @return
-     */
-    private boolean isPackageAllowed(String packageName, boolean allowOnlySelf) {
-        Log.d(Constants.TAG, "packageName: " + packageName);
-
-        ArrayList<String> allowedPkgs = ProviderHelper.getRegisteredApiApps(mContext);
-        Log.d(Constants.TAG, "allowed: " + allowedPkgs);
-
-        // check if package is allowed to use our service
-        if (allowedPkgs.contains(packageName) && (!allowOnlySelf)) {
-            Log.d(Constants.TAG, "Package is allowed! packageName: " + packageName);
-
-            return true;
-        } else if (Constants.PACKAGE_NAME.equals(packageName)) {
-            Log.d(Constants.TAG, "Package is OpenPGP Keychain! -> allowed!");
-
-            return true;
-        }
-
-        return false;
-    }
-
-    @Override
-    public void onCreate() {
-        super.onCreate();
-        mContext = this;
-    }
-
-}