Move 'un/install' to cmd

Move the implementation of the install variants and uninstall to the cmd
command. Additionally, make two other important changes: 1) replace calls
to the legacy PackageManager#installPackageAsUser with the PackageInstaller
2) allow streaming package bits for 'pm install'

Change-Id: Ia49dac0ccd6470f9d1c1964bdeb3c0b22b856075
diff --git a/cmds/pm/src/com/android/commands/pm/Pm.java b/cmds/pm/src/com/android/commands/pm/Pm.java
index 031bdbd..eb7c712 100644
--- a/cmds/pm/src/com/android/commands/pm/Pm.java
+++ b/cmds/pm/src/com/android/commands/pm/Pm.java
@@ -28,24 +28,13 @@
 import android.app.PackageInstallObserver;
 import android.content.ComponentName;
 import android.content.Context;
-import android.content.IIntentReceiver;
-import android.content.IIntentSender;
-import android.content.Intent;
-import android.content.IntentSender;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.IPackageDataObserver;
 import android.content.pm.IPackageInstaller;
 import android.content.pm.IPackageManager;
 import android.content.pm.PackageInfo;
-import android.content.pm.PackageInstaller;
-import android.content.pm.PackageInstaller.SessionInfo;
-import android.content.pm.PackageInstaller.SessionParams;
 import android.content.pm.PackageManager;
 import android.content.pm.UserInfo;
-import android.content.pm.VerificationParams;
-import android.net.Uri;
-import android.os.Binder;
-import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.HandlerThread;
@@ -56,26 +45,13 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.Log;
 
-import libcore.io.IoUtils;
-
 import com.android.internal.content.PackageHelper;
 import com.android.internal.util.ArrayUtils;
-import com.android.internal.util.SizedInputStream;
 
-import java.io.File;
 import java.io.FileDescriptor;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.lang.reflect.Field;
-import java.lang.reflect.Modifier;
-import java.util.concurrent.SynchronousQueue;
-import java.util.concurrent.TimeUnit;
 
 public final class Pm {
     private static final String TAG = "Pm";
@@ -106,7 +82,7 @@
         System.exit(exitCode);
     }
 
-    public int run(String[] args) throws IOException, RemoteException {
+    public int run(String[] args) throws RemoteException {
         boolean validCommand = false;
         if (args.length < 1) {
             return showUsage();
@@ -142,19 +118,19 @@
         }
 
         if ("install-create".equals(op)) {
-            return runInstallCreate();
+            return runInstall();
         }
 
         if ("install-write".equals(op)) {
-            return runInstallWrite();
+            return runInstall();
         }
 
         if ("install-commit".equals(op)) {
-            return runInstallCommit();
+            return runInstall();
         }
 
         if ("install-abandon".equals(op) || "install-destroy".equals(op)) {
-            return runInstallAbandon();
+            return runInstall();
         }
 
         if ("set-installer".equals(op)) {
@@ -299,6 +275,10 @@
         return -1;
     }
 
+    private int runInstall() {
+        return runShellCommand("package", mArgs);
+    }
+
     /**
      * Execute the list sub-command.
      *
@@ -317,6 +297,10 @@
         return runShellCommand("package", mArgs);
     }
 
+    private int runUninstall() {
+        return runShellCommand("package", mArgs);
+    }
+
     private int runPath() {
         int userId = UserHandle.USER_SYSTEM;
         String option = nextOption();
@@ -370,49 +354,6 @@
         }
     }
 
-    /**
-     * Converts a failure code into a string by using reflection to find a matching constant
-     * in PackageManager.
-     */
-    private String installFailureToString(LocalPackageInstallObserver obs) {
-        final int result = obs.result;
-        Field[] fields = PackageManager.class.getFields();
-        for (Field f: fields) {
-            if (f.getType() == int.class) {
-                int modifiers = f.getModifiers();
-                // only look at public final static fields.
-                if (((modifiers & Modifier.FINAL) != 0) &&
-                        ((modifiers & Modifier.PUBLIC) != 0) &&
-                        ((modifiers & Modifier.STATIC) != 0)) {
-                    String fieldName = f.getName();
-                    if (fieldName.startsWith("INSTALL_FAILED_") ||
-                            fieldName.startsWith("INSTALL_PARSE_FAILED_")) {
-                        // get the int value and compare it to result.
-                        try {
-                            if (result == f.getInt(null)) {
-                                StringBuilder sb = new StringBuilder(64);
-                                sb.append(fieldName);
-                                if (obs.extraPermission != null) {
-                                    sb.append(" perm=");
-                                    sb.append(obs.extraPermission);
-                                }
-                                if (obs.extraPackage != null) {
-                                    sb.append(" pkg=" + obs.extraPackage);
-                                }
-                                return sb.toString();
-                            }
-                        } catch (IllegalAccessException e) {
-                            // this shouldn't happen since we only look for public static fields.
-                        }
-                    }
-                }
-            }
-        }
-
-        // couldn't find a matching constant? return the value
-        return Integer.toString(result);
-    }
-
     // pm set-app-link [--user USER_ID] PACKAGE {always|ask|always-ask|never|undefined}
     private int runSetAppLink() {
         int userId = UserHandle.USER_SYSTEM;
@@ -602,316 +543,6 @@
         }
     }
 
-    private int runInstall() {
-        int installFlags = 0;
-        int userId = UserHandle.USER_ALL;
-        String installerPackageName = null;
-
-        String opt;
-
-        String originatingUriString = null;
-        String referrer = null;
-        String abi = null;
-
-        while ((opt=nextOption()) != null) {
-            if (opt.equals("-l")) {
-                installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
-            } else if (opt.equals("-r")) {
-                installFlags |= PackageManager.INSTALL_REPLACE_EXISTING;
-            } else if (opt.equals("-i")) {
-                installerPackageName = nextOptionData();
-                if (installerPackageName == null) {
-                    System.err.println("Error: no value specified for -i");
-                    return 1;
-                }
-            } else if (opt.equals("-t")) {
-                installFlags |= PackageManager.INSTALL_ALLOW_TEST;
-            } else if (opt.equals("-s")) {
-                // Override if -s option is specified.
-                installFlags |= PackageManager.INSTALL_EXTERNAL;
-            } else if (opt.equals("-f")) {
-                // Override if -s option is specified.
-                installFlags |= PackageManager.INSTALL_INTERNAL;
-            } else if (opt.equals("-d")) {
-                installFlags |= PackageManager.INSTALL_ALLOW_DOWNGRADE;
-            } else if (opt.equals("-g")) {
-                installFlags |= PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS;
-            } else if (opt.equals("--originating-uri")) {
-                originatingUriString = nextOptionData();
-                if (originatingUriString == null) {
-                    System.err.println("Error: must supply argument for --originating-uri");
-                    return 1;
-                }
-            } else if (opt.equals("--referrer")) {
-                referrer = nextOptionData();
-                if (referrer == null) {
-                    System.err.println("Error: must supply argument for --referrer");
-                    return 1;
-                }
-            } else if (opt.equals("--abi")) {
-                abi = checkAbiArgument(nextOptionData());
-            } else if (opt.equals("--user")) {
-                userId = Integer.parseInt(nextOptionData());
-            } else {
-                System.err.println("Error: Unknown option: " + opt);
-                return 1;
-            }
-        }
-
-        userId = translateUserId(userId, "runInstall");
-        if (userId == UserHandle.USER_ALL) {
-            userId = UserHandle.USER_SYSTEM;
-            installFlags |= PackageManager.INSTALL_ALL_USERS;
-        }
-
-        final Uri verificationURI;
-        final Uri originatingURI;
-        final Uri referrerURI;
-
-        if (originatingUriString != null) {
-            originatingURI = Uri.parse(originatingUriString);
-        } else {
-            originatingURI = null;
-        }
-
-        if (referrer != null) {
-            referrerURI = Uri.parse(referrer);
-        } else {
-            referrerURI = null;
-        }
-
-        // Populate apkURI, must be present
-        final String apkFilePath = nextArg();
-        System.err.println("\tpkg: " + apkFilePath);
-        if (apkFilePath == null) {
-            System.err.println("Error: no package specified");
-            return 1;
-        }
-
-        // Populate verificationURI, optionally present
-        final String verificationFilePath = nextArg();
-        if (verificationFilePath != null) {
-            System.err.println("\tver: " + verificationFilePath);
-            verificationURI = Uri.fromFile(new File(verificationFilePath));
-        } else {
-            verificationURI = null;
-        }
-
-        LocalPackageInstallObserver obs = new LocalPackageInstallObserver();
-        try {
-            VerificationParams verificationParams = new VerificationParams(verificationURI,
-                    originatingURI, referrerURI, VerificationParams.NO_UID, null);
-
-            mPm.installPackageAsUser(apkFilePath, obs.getBinder(), installFlags,
-                    installerPackageName, verificationParams, abi, userId);
-
-            synchronized (obs) {
-                while (!obs.finished) {
-                    try {
-                        obs.wait();
-                    } catch (InterruptedException e) {
-                    }
-                }
-                if (obs.result == PackageManager.INSTALL_SUCCEEDED) {
-                    System.out.println("Success");
-                    return 0;
-                } else {
-                    System.err.println("Failure ["
-                            + installFailureToString(obs)
-                            + "]");
-                    return 1;
-                }
-            }
-        } catch (RemoteException e) {
-            System.err.println(e.toString());
-            System.err.println(PM_NOT_RUNNING_ERR);
-            return 1;
-        }
-    }
-
-    /**
-     * @param userId The user id to be translated.
-     * @param logContext Optional human readable text to provide some context in error log.
-     * @return Translated concrete user id.  This will include USER_ALL.
-     */
-    private int translateUserId(int userId, String logContext) {
-        return ActivityManager.handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(),
-                userId, true, true, logContext, "pm command");
-    }
-
-    private int runInstallCreate() throws RemoteException {
-        int userId = UserHandle.USER_ALL;
-        String installerPackageName = null;
-
-        final SessionParams params = new SessionParams(SessionParams.MODE_FULL_INSTALL);
-
-        String opt;
-        while ((opt = nextOption()) != null) {
-            if (opt.equals("-l")) {
-                params.installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
-            } else if (opt.equals("-r")) {
-                params.installFlags |= PackageManager.INSTALL_REPLACE_EXISTING;
-            } else if (opt.equals("-i")) {
-                installerPackageName = nextArg();
-                if (installerPackageName == null) {
-                    throw new IllegalArgumentException("Missing installer package");
-                }
-            } else if (opt.equals("-t")) {
-                params.installFlags |= PackageManager.INSTALL_ALLOW_TEST;
-            } else if (opt.equals("-s")) {
-                params.installFlags |= PackageManager.INSTALL_EXTERNAL;
-            } else if (opt.equals("-f")) {
-                params.installFlags |= PackageManager.INSTALL_INTERNAL;
-            } else if (opt.equals("-d")) {
-                params.installFlags |= PackageManager.INSTALL_ALLOW_DOWNGRADE;
-            } else if (opt.equals("-g")) {
-                params.installFlags |= PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS;
-            } else if (opt.equals("--originating-uri")) {
-                params.originatingUri = Uri.parse(nextOptionData());
-            } else if (opt.equals("--referrer")) {
-                params.referrerUri = Uri.parse(nextOptionData());
-            } else if (opt.equals("-p")) {
-                params.mode = SessionParams.MODE_INHERIT_EXISTING;
-                params.appPackageName = nextOptionData();
-                if (params.appPackageName == null) {
-                    throw new IllegalArgumentException("Missing inherit package name");
-                }
-            } else if (opt.equals("-S")) {
-                params.setSize(Long.parseLong(nextOptionData()));
-            } else if (opt.equals("--abi")) {
-                params.abiOverride = checkAbiArgument(nextOptionData());
-            } else if (opt.equals("--user")) {
-                userId = Integer.parseInt(nextOptionData());
-            } else if (opt.equals("--install-location")) {
-                params.installLocation = Integer.parseInt(nextOptionData());
-            } else if (opt.equals("--force-uuid")) {
-                params.installFlags |= PackageManager.INSTALL_FORCE_VOLUME_UUID;
-                params.volumeUuid = nextOptionData();
-                if ("internal".equals(params.volumeUuid)) {
-                    params.volumeUuid = null;
-                }
-            } else {
-                throw new IllegalArgumentException("Unknown option " + opt);
-            }
-        }
-
-        userId = translateUserId(userId, "runInstallCreate");
-        if (userId == UserHandle.USER_ALL) {
-            userId = UserHandle.USER_SYSTEM;
-            params.installFlags |= PackageManager.INSTALL_ALL_USERS;
-        }
-
-        final int sessionId = mInstaller.createSession(params, installerPackageName, userId);
-
-        // NOTE: adb depends on parsing this string
-        System.out.println("Success: created install session [" + sessionId + "]");
-        return 0;
-    }
-
-    private int runInstallWrite() throws IOException, RemoteException {
-        long sizeBytes = -1;
-
-        String opt;
-        while ((opt = nextOption()) != null) {
-            if (opt.equals("-S")) {
-                sizeBytes = Long.parseLong(nextOptionData());
-            } else {
-                throw new IllegalArgumentException("Unknown option: " + opt);
-            }
-        }
-
-        final int sessionId = Integer.parseInt(nextArg());
-        final String splitName = nextArg();
-
-        String path = nextArg();
-        if ("-".equals(path)) {
-            path = null;
-        } else if (path != null) {
-            final File file = new File(path);
-            if (file.isFile()) {
-                sizeBytes = file.length();
-            }
-        }
-
-        final SessionInfo info = mInstaller.getSessionInfo(sessionId);
-
-        PackageInstaller.Session session = null;
-        InputStream in = null;
-        OutputStream out = null;
-        try {
-            session = new PackageInstaller.Session(mInstaller.openSession(sessionId));
-
-            if (path != null) {
-                in = new FileInputStream(path);
-            } else {
-                in = new SizedInputStream(System.in, sizeBytes);
-            }
-            out = session.openWrite(splitName, 0, sizeBytes);
-
-            int total = 0;
-            byte[] buffer = new byte[65536];
-            int c;
-            while ((c = in.read(buffer)) != -1) {
-                total += c;
-                out.write(buffer, 0, c);
-
-                if (info.sizeBytes > 0) {
-                    final float fraction = ((float) c / (float) info.sizeBytes);
-                    session.addProgress(fraction);
-                }
-            }
-            session.fsync(out);
-
-            System.out.println("Success: streamed " + total + " bytes");
-            return 0;
-        } finally {
-            IoUtils.closeQuietly(out);
-            IoUtils.closeQuietly(in);
-            IoUtils.closeQuietly(session);
-        }
-    }
-
-    private int runInstallCommit() throws RemoteException {
-        final int sessionId = Integer.parseInt(nextArg());
-
-        PackageInstaller.Session session = null;
-        try {
-            session = new PackageInstaller.Session(mInstaller.openSession(sessionId));
-
-            final LocalIntentReceiver receiver = new LocalIntentReceiver();
-            session.commit(receiver.getIntentSender());
-
-            final Intent result = receiver.getResult();
-            final int status = result.getIntExtra(PackageInstaller.EXTRA_STATUS,
-                    PackageInstaller.STATUS_FAILURE);
-            if (status == PackageInstaller.STATUS_SUCCESS) {
-                System.out.println("Success");
-                return 0;
-            } else {
-                Log.e(TAG, "Failure details: " + result.getExtras());
-                System.err.println("Failure ["
-                        + result.getStringExtra(PackageInstaller.EXTRA_STATUS_MESSAGE) + "]");
-                return 1;
-            }
-        } finally {
-            IoUtils.closeQuietly(session);
-        }
-    }
-
-    private int runInstallAbandon() throws RemoteException {
-        final int sessionId = Integer.parseInt(nextArg());
-
-        PackageInstaller.Session session = null;
-        try {
-            session = new PackageInstaller.Session(mInstaller.openSession(sessionId));
-            session.abandon();
-            System.out.println("Success");
-            return 0;
-        } finally {
-            IoUtils.closeQuietly(session);
-        }
-    }
-
     private int runSetInstaller() throws RemoteException {
         final String targetPackage = nextArg();
         final String installerPackageName = nextArg();
@@ -1080,80 +711,6 @@
         }
     }
 
-    private int runUninstall() throws RemoteException {
-        int flags = 0;
-        int userId = UserHandle.USER_ALL;
-
-        String opt;
-        while ((opt=nextOption()) != null) {
-            if (opt.equals("-k")) {
-                flags |= PackageManager.DELETE_KEEP_DATA;
-            } else if (opt.equals("--user")) {
-                String param = nextArg();
-                if (isNumber(param)) {
-                    userId = Integer.parseInt(param);
-                } else {
-                    showUsage();
-                    System.err.println("Error: Invalid user: " + param);
-                    return 1;
-                }
-            } else {
-                System.err.println("Error: Unknown option: " + opt);
-                return 1;
-            }
-        }
-
-        String pkg = nextArg();
-        if (pkg == null) {
-            System.err.println("Error: no package specified");
-            return showUsage();
-        }
-
-        userId = translateUserId(userId, "runUninstall");
-        if (userId == UserHandle.USER_ALL) {
-            userId = UserHandle.USER_SYSTEM;
-            flags |= PackageManager.DELETE_ALL_USERS;
-        } else {
-            PackageInfo info;
-            try {
-                info = mPm.getPackageInfo(pkg, 0, userId);
-            } catch (RemoteException e) {
-                System.err.println(e.toString());
-                System.err.println(PM_NOT_RUNNING_ERR);
-                return 1;
-            }
-            if (info == null) {
-                System.err.println("Failure - not installed for " + userId);
-                return 1;
-            }
-            final boolean isSystem =
-                    (info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
-            // If we are being asked to delete a system app for just one
-            // user set flag so it disables rather than reverting to system
-            // version of the app.
-            if (isSystem) {
-                flags |= PackageManager.DELETE_SYSTEM_APP;
-            }
-        }
-
-        final LocalIntentReceiver receiver = new LocalIntentReceiver();
-        mInstaller.uninstall(pkg, null /* callerPackageName */, flags,
-                receiver.getIntentSender(), userId);
-
-        final Intent result = receiver.getResult();
-        final int status = result.getIntExtra(PackageInstaller.EXTRA_STATUS,
-                PackageInstaller.STATUS_FAILURE);
-        if (status == PackageInstaller.STATUS_SUCCESS) {
-            System.out.println("Success");
-            return 0;
-        } else {
-            Log.e(TAG, "Failure details: " + result.getExtras());
-            System.err.println("Failure ["
-                    + result.getStringExtra(PackageInstaller.EXTRA_STATUS_MESSAGE) + "]");
-            return 1;
-        }
-    }
-
     static class ClearDataObserver extends IPackageDataObserver.Stub {
         boolean finished;
         boolean result;
@@ -1499,54 +1056,6 @@
         return 1;
     }
 
-    private static String checkAbiArgument(String abi) {
-        if (TextUtils.isEmpty(abi)) {
-            throw new IllegalArgumentException("Missing ABI argument");
-        }
-
-        if ("-".equals(abi)) {
-            return abi;
-        }
-
-        final String[] supportedAbis = Build.SUPPORTED_ABIS;
-        for (String supportedAbi : supportedAbis) {
-            if (supportedAbi.equals(abi)) {
-                return abi;
-            }
-        }
-
-        throw new IllegalArgumentException("ABI " + abi + " not supported on this device");
-    }
-
-    private static class LocalIntentReceiver {
-        private final SynchronousQueue<Intent> mResult = new SynchronousQueue<>();
-
-        private IIntentSender.Stub mLocalSender = new IIntentSender.Stub() {
-            @Override
-            public int send(int code, Intent intent, String resolvedType,
-                    IIntentReceiver finishedReceiver, String requiredPermission, Bundle options) {
-                try {
-                    mResult.offer(intent, 5, TimeUnit.SECONDS);
-                } catch (InterruptedException e) {
-                    throw new RuntimeException(e);
-                }
-                return 0;
-            }
-        };
-
-        public IntentSender getIntentSender() {
-            return new IntentSender((IIntentSender) mLocalSender);
-        }
-
-        public Intent getResult() {
-            try {
-                return mResult.take();
-            } catch (InterruptedException e) {
-                throw new RuntimeException(e);
-            }
-        }
-    }
-
     private String nextOption() {
         if (mNextArg >= mArgs.length) {
             return null;
diff --git a/core/java/android/os/ShellCommand.java b/core/java/android/os/ShellCommand.java
index 73c2c80..cad482b 100644
--- a/core/java/android/os/ShellCommand.java
+++ b/core/java/android/os/ShellCommand.java
@@ -19,8 +19,11 @@
 import android.util.Slog;
 import com.android.internal.util.FastPrintWriter;
 
+import java.io.BufferedInputStream;
 import java.io.FileDescriptor;
+import java.io.FileInputStream;
 import java.io.FileOutputStream;
+import java.io.InputStream;
 import java.io.PrintWriter;
 
 /**
@@ -43,6 +46,7 @@
 
     private FastPrintWriter mOutPrintWriter;
     private FastPrintWriter mErrPrintWriter;
+    private InputStream mInputStream;
 
     public int exec(Binder target, FileDescriptor in, FileDescriptor out, FileDescriptor err,
             String[] args, ResultReceiver resultReceiver) {
@@ -111,6 +115,13 @@
         return mErrPrintWriter;
     }
 
+    public InputStream getInputStream() {
+        if (mInputStream == null) {
+            mInputStream = new BufferedInputStream(new FileInputStream(mIn));
+        }
+        return mInputStream;
+    }
+
     /**
      * Return the next option on the command line -- that is an argument that
      * starts with '-'.  If the next argument is not an option, null is returned.
diff --git a/services/core/java/com/android/server/pm/PackageManagerShellCommand.java b/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
index c259ac2..d7176fd 100644
--- a/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
+++ b/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
@@ -1,28 +1,68 @@
+/*
+ * Copyright (C) 2015 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.server.pm;
 
+import android.app.ActivityManager;
 import android.content.ComponentName;
+import android.content.IIntentReceiver;
+import android.content.IIntentSender;
+import android.content.Intent;
+import android.content.IntentSender;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.FeatureInfo;
 import android.content.pm.IPackageManager;
 import android.content.pm.InstrumentationInfo;
 import android.content.pm.PackageInfo;
+import android.content.pm.PackageInstaller;
 import android.content.pm.PackageItemInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ParceledListSlice;
 import android.content.pm.PermissionGroupInfo;
 import android.content.pm.PermissionInfo;
+import android.content.pm.PackageInstaller.SessionInfo;
+import android.content.pm.PackageInstaller.SessionParams;
 import android.content.res.AssetManager;
 import android.content.res.Resources;
+import android.net.Uri;
+import android.os.Binder;
+import android.os.Build;
+import android.os.Bundle;
 import android.os.RemoteException;
 import android.os.ShellCommand;
 import android.os.UserHandle;
+import android.text.TextUtils;
 
+import com.android.internal.util.SizedInputStream;
+
+import libcore.io.IoUtils;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
 import java.util.WeakHashMap;
+import java.util.concurrent.SynchronousQueue;
+import java.util.concurrent.TimeUnit;
 
 class PackageManagerShellCommand extends ShellCommand {
     final IPackageManager mInterface;
@@ -42,8 +82,21 @@
         final PrintWriter pw = getOutPrintWriter();
         try {
             switch(cmd) {
+                case "install":
+                    return runInstall();
+                case "install-abandon":
+                case "install-destroy":
+                    return runInstallAbandon();
+                case "install-commit":
+                    return runInstallCommit();
+                case "install-create":
+                    return runInstallCreate();
+                case "install-write":
+                    return runInstallWrite();
                 case "list":
                     return runList();
+                case "uninstall":
+                    return runUninstall();
                 default:
                     return handleDefaultCommands(cmd);
             }
@@ -53,6 +106,65 @@
         return -1;
     }
 
+    private int runInstall() throws RemoteException {
+        final PrintWriter pw = getOutPrintWriter();
+        final InstallParams params = makeInstallParams();
+        final int sessionId = doCreateSession(params.sessionParams,
+                params.installerPackageName, params.userId);
+
+        final String inPath = getNextArg();
+        if (inPath == null && params.sessionParams.sizeBytes == 0) {
+            pw.println("Error: must either specify a package size or an APK file");
+            return 1;
+        }
+        if (doWriteSession(sessionId, inPath, params.sessionParams.sizeBytes, "base.apk") != 0) {
+            return 1;
+        }
+        if (doCommitSession(sessionId) != 0) {
+            return 1;
+        }
+        return 0;
+    }
+
+    private int runInstallAbandon() throws RemoteException {
+        final int sessionId = Integer.parseInt(getNextArg());
+        return doAbandonSession(sessionId);
+    }
+
+    private int runInstallCommit() throws RemoteException {
+        final int sessionId = Integer.parseInt(getNextArg());
+        return doCommitSession(sessionId);
+    }
+
+    private int runInstallCreate() throws RemoteException {
+        final PrintWriter pw = getOutPrintWriter();
+        final InstallParams installParams = makeInstallParams();
+        final int sessionId = doCreateSession(installParams.sessionParams,
+                installParams.installerPackageName, installParams.userId);
+
+        // NOTE: adb depends on parsing this string
+        pw.println("Success: created install session [" + sessionId + "]");
+        return 0;
+    }
+
+    private int runInstallWrite() throws RemoteException {
+        long sizeBytes = -1;
+
+        String opt;
+        while ((opt = getNextOption()) != null) {
+            if (opt.equals("-S")) {
+                sizeBytes = Long.parseLong(getNextArg());
+            } else {
+                throw new IllegalArgumentException("Unknown option: " + opt);
+            }
+        }
+
+        final int sessionId = Integer.parseInt(getNextArg());
+        final String splitName = getNextArg();
+        final String path = getNextArg();
+        return doWriteSession(sessionId, path, sizeBytes, splitName);
+    }
+
     private int runList() throws RemoteException {
         final PrintWriter pw = getOutPrintWriter();
         final String type = getNextArg();
@@ -363,6 +475,279 @@
         return 0;
     }
 
+    private int runUninstall() throws RemoteException {
+        final PrintWriter pw = getOutPrintWriter();
+        int flags = 0;
+        int userId = UserHandle.USER_ALL;
+
+        String opt;
+        while ((opt = getNextOption()) != null) {
+            switch (opt) {
+                case "-k":
+                    flags |= PackageManager.DELETE_KEEP_DATA;
+                    break;
+                case "--user":
+                    userId = Integer.parseInt(getNextArg());
+                    break;
+                default:
+                    pw.println("Error: Unknown option: " + opt);
+                    return 1;
+            }
+        }
+
+        String packageName = getNextArg();
+        if (packageName == null) {
+            pw.println("Error: package name not specified");
+            return 1;
+        }
+
+        userId = translateUserId(userId, "runUninstall");
+        if (userId == UserHandle.USER_ALL) {
+            userId = UserHandle.USER_SYSTEM;
+            flags |= PackageManager.DELETE_ALL_USERS;
+        } else {
+            final PackageInfo info = mInterface.getPackageInfo(packageName, 0, userId);
+            if (info == null) {
+                pw.println("Failure - not installed for " + userId);
+                return 1;
+            }
+            final boolean isSystem =
+                    (info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
+            // If we are being asked to delete a system app for just one
+            // user set flag so it disables rather than reverting to system
+            // version of the app.
+            if (isSystem) {
+                flags |= PackageManager.DELETE_SYSTEM_APP;
+            }
+        }
+
+        final LocalIntentReceiver receiver = new LocalIntentReceiver();
+        mInterface.getPackageInstaller().uninstall(packageName, null /*callerPackageName*/, flags,
+                receiver.getIntentSender(), userId);
+
+        final Intent result = receiver.getResult();
+        final int status = result.getIntExtra(PackageInstaller.EXTRA_STATUS,
+                PackageInstaller.STATUS_FAILURE);
+        if (status == PackageInstaller.STATUS_SUCCESS) {
+            pw.println("Success");
+            return 0;
+        } else {
+            pw.println("Failure ["
+                    + result.getStringExtra(PackageInstaller.EXTRA_STATUS_MESSAGE) + "]");
+            return 1;
+        }
+    }
+
+    private static class InstallParams {
+        SessionParams sessionParams;
+        String installerPackageName;
+        int userId = UserHandle.USER_ALL;
+    }
+
+    private InstallParams makeInstallParams() {
+        final SessionParams sessionParams = new SessionParams(SessionParams.MODE_FULL_INSTALL);
+        final InstallParams params = new InstallParams();
+        params.sessionParams = sessionParams;
+        String opt;
+        while ((opt = getNextOption()) != null) {
+            switch (opt) {
+                case "-l":
+                    sessionParams.installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
+                    break;
+                case "-r":
+                    sessionParams.installFlags |= PackageManager.INSTALL_REPLACE_EXISTING;
+                    break;
+                case "-i":
+                    params.installerPackageName = getNextArg();
+                    if (params.installerPackageName == null) {
+                        throw new IllegalArgumentException("Missing installer package");
+                    }
+                    break;
+                case "-t":
+                    sessionParams.installFlags |= PackageManager.INSTALL_ALLOW_TEST;
+                    break;
+                case "-s":
+                    sessionParams.installFlags |= PackageManager.INSTALL_EXTERNAL;
+                    break;
+                case "-f":
+                    sessionParams.installFlags |= PackageManager.INSTALL_INTERNAL;
+                    break;
+                case "-d":
+                    sessionParams.installFlags |= PackageManager.INSTALL_ALLOW_DOWNGRADE;
+                    break;
+                case "-g":
+                    sessionParams.installFlags |= PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS;
+                    break;
+                case "--originating-uri":
+                    sessionParams.originatingUri = Uri.parse(getNextArg());
+                    break;
+                case "--referrer":
+                    sessionParams.referrerUri = Uri.parse(getNextArg());
+                    break;
+                case "-p":
+                    sessionParams.mode = SessionParams.MODE_INHERIT_EXISTING;
+                    sessionParams.appPackageName = getNextArg();
+                    if (sessionParams.appPackageName == null) {
+                        throw new IllegalArgumentException("Missing inherit package name");
+                    }
+                    break;
+                case "-S":
+                    sessionParams.setSize(Long.parseLong(getNextArg()));
+                    break;
+                case "--abi":
+                    sessionParams.abiOverride = checkAbiArgument(getNextArg());
+                    break;
+                case "--user":
+                    params.userId = Integer.parseInt(getNextArg());
+                    break;
+                case "--install-location":
+                    sessionParams.installLocation = Integer.parseInt(getNextArg());
+                    break;
+                case "--force-uuid":
+                    sessionParams.installFlags |= PackageManager.INSTALL_FORCE_VOLUME_UUID;
+                    sessionParams.volumeUuid = getNextArg();
+                    if ("internal".equals(sessionParams.volumeUuid)) {
+                        sessionParams.volumeUuid = null;
+                    }
+                    break;
+                default:
+                    throw new IllegalArgumentException("Unknown option " + opt);
+            }
+        }
+        return params;
+    }
+
+    private static String checkAbiArgument(String abi) {
+        if (TextUtils.isEmpty(abi)) {
+            throw new IllegalArgumentException("Missing ABI argument");
+        }
+
+        if ("-".equals(abi)) {
+            return abi;
+        }
+
+        final String[] supportedAbis = Build.SUPPORTED_ABIS;
+        for (String supportedAbi : supportedAbis) {
+            if (supportedAbi.equals(abi)) {
+                return abi;
+            }
+        }
+
+        throw new IllegalArgumentException("ABI " + abi + " not supported on this device");
+    }
+
+    private int translateUserId(int userId, String logContext) {
+        return ActivityManager.handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(),
+                userId, true, true, logContext, "pm command");
+    }
+
+    private int doCreateSession(SessionParams params, String installerPackageName, int userId)
+            throws RemoteException {
+        userId = translateUserId(userId, "runInstallCreate");
+        if (userId == UserHandle.USER_ALL) {
+            userId = UserHandle.USER_SYSTEM;
+            params.installFlags |= PackageManager.INSTALL_ALL_USERS;
+        }
+
+        final int sessionId = mInterface.getPackageInstaller()
+                .createSession(params, installerPackageName, userId);
+        return sessionId;
+    }
+
+    private int doWriteSession(int sessionId, String inPath, long sizeBytes, String splitName)
+            throws RemoteException {
+        final PrintWriter pw = getOutPrintWriter();
+        if ("-".equals(inPath)) {
+            inPath = null;
+        } else if (inPath != null) {
+            final File file = new File(inPath);
+            if (file.isFile()) {
+                sizeBytes = file.length();
+            }
+        }
+
+        final SessionInfo info = mInterface.getPackageInstaller().getSessionInfo(sessionId);
+
+        PackageInstaller.Session session = null;
+        InputStream in = null;
+        OutputStream out = null;
+        try {
+            session = new PackageInstaller.Session(
+                    mInterface.getPackageInstaller().openSession(sessionId));
+
+            if (inPath != null) {
+                in = new FileInputStream(inPath);
+            } else {
+                in = new SizedInputStream(getInputStream(), sizeBytes);
+            }
+            out = session.openWrite(splitName, 0, sizeBytes);
+
+            int total = 0;
+            byte[] buffer = new byte[65536];
+            int c;
+            while ((c = in.read(buffer)) != -1) {
+                total += c;
+                out.write(buffer, 0, c);
+
+                if (info.sizeBytes > 0) {
+                    final float fraction = ((float) c / (float) info.sizeBytes);
+                    session.addProgress(fraction);
+                }
+            }
+            session.fsync(out);
+
+            pw.println("Success: streamed " + total + " bytes");
+            return 0;
+        } catch (IOException e) {
+            pw.println("Error: failed to write; " + e.getMessage());
+            return 1;
+        } finally {
+            IoUtils.closeQuietly(out);
+            IoUtils.closeQuietly(in);
+            IoUtils.closeQuietly(session);
+        }
+    }
+
+    private int doCommitSession(int sessionId) throws RemoteException {
+        final PrintWriter pw = getOutPrintWriter();
+        PackageInstaller.Session session = null;
+        try {
+            session = new PackageInstaller.Session(
+                    mInterface.getPackageInstaller().openSession(sessionId));
+
+            final LocalIntentReceiver receiver = new LocalIntentReceiver();
+            session.commit(receiver.getIntentSender());
+
+            final Intent result = receiver.getResult();
+            final int status = result.getIntExtra(PackageInstaller.EXTRA_STATUS,
+                    PackageInstaller.STATUS_FAILURE);
+            if (status == PackageInstaller.STATUS_SUCCESS) {
+                pw.println("Success");
+            } else {
+                pw.println("Failure ["
+                        + result.getStringExtra(PackageInstaller.EXTRA_STATUS_MESSAGE) + "]");
+                pw.println("Failure details: " + result.getExtras());
+            }
+            return status;
+        } finally {
+            IoUtils.closeQuietly(session);
+        }
+    }
+
+    private int doAbandonSession(int sessionId) throws RemoteException {
+        final PrintWriter pw = getOutPrintWriter();
+        PackageInstaller.Session session = null;
+        try {
+            session = new PackageInstaller.Session(
+                    mInterface.getPackageInstaller().openSession(sessionId));
+            session.abandon();
+            pw.println("Success");
+            return 0;
+        } finally {
+            IoUtils.closeQuietly(session);
+        }
+    }
+
     private void doListPermissions(ArrayList<String> groupList, boolean groups, boolean labels,
             boolean summary, int startProtectionLevel, int endProtectionLevel)
                     throws RemoteException {
@@ -525,5 +910,34 @@
         pw.println("      -u: list only the permissions users will see");
         pw.println("");
     }
+
+    private static class LocalIntentReceiver {
+        private final SynchronousQueue<Intent> mResult = new SynchronousQueue<>();
+
+        private IIntentSender.Stub mLocalSender = new IIntentSender.Stub() {
+            @Override
+            public int send(int code, Intent intent, String resolvedType,
+                    IIntentReceiver finishedReceiver, String requiredPermission, Bundle options) {
+                try {
+                    mResult.offer(intent, 5, TimeUnit.SECONDS);
+                } catch (InterruptedException e) {
+                    throw new RuntimeException(e);
+                }
+                return 0;
+            }
+        };
+
+        public IntentSender getIntentSender() {
+            return new IntentSender((IIntentSender) mLocalSender);
+        }
+
+        public Intent getResult() {
+            try {
+                return mResult.take();
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+        }
+    }
 }