| /* |
| * Copyright 2020 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.blob; |
| |
| import android.app.ActivityManager; |
| import android.app.blob.BlobHandle; |
| import android.os.ShellCommand; |
| import android.os.UserHandle; |
| |
| import java.io.PrintWriter; |
| import java.util.Base64; |
| |
| class BlobStoreManagerShellCommand extends ShellCommand { |
| |
| private final BlobStoreManagerService mService; |
| |
| BlobStoreManagerShellCommand(BlobStoreManagerService blobStoreManagerService) { |
| mService = blobStoreManagerService; |
| } |
| |
| @Override |
| public int onCommand(String cmd) { |
| if (cmd == null) { |
| return handleDefaultCommands(null); |
| } |
| final PrintWriter pw = getOutPrintWriter(); |
| switch (cmd) { |
| case "clear-all-sessions": |
| return runClearAllSessions(pw); |
| case "clear-all-blobs": |
| return runClearAllBlobs(pw); |
| case "delete-blob": |
| return runDeleteBlob(pw); |
| case "idle-maintenance": |
| return runIdleMaintenance(pw); |
| default: |
| return handleDefaultCommands(cmd); |
| } |
| } |
| |
| private int runClearAllSessions(PrintWriter pw) { |
| final ParsedArgs args = new ParsedArgs(); |
| args.userId = UserHandle.USER_ALL; |
| |
| if (parseOptions(pw, args) < 0) { |
| return -1; |
| } |
| |
| mService.runClearAllSessions(args.userId); |
| return 0; |
| } |
| |
| private int runClearAllBlobs(PrintWriter pw) { |
| final ParsedArgs args = new ParsedArgs(); |
| args.userId = UserHandle.USER_ALL; |
| |
| if (parseOptions(pw, args) < 0) { |
| return -1; |
| } |
| |
| mService.runClearAllBlobs(args.userId); |
| return 0; |
| } |
| |
| private int runDeleteBlob(PrintWriter pw) { |
| final ParsedArgs args = new ParsedArgs(); |
| |
| if (parseOptions(pw, args) < 0) { |
| return -1; |
| } |
| |
| mService.deleteBlob(args.getBlobHandle(), args.userId); |
| return 0; |
| } |
| |
| private int runIdleMaintenance(PrintWriter pw) { |
| mService.runIdleMaintenance(); |
| return 0; |
| } |
| |
| @Override |
| public void onHelp() { |
| final PrintWriter pw = getOutPrintWriter(); |
| pw.println("BlobStore service (blob_store) commands:"); |
| pw.println("help"); |
| pw.println(" Print this help text."); |
| pw.println(); |
| pw.println("clear-all-sessions [-u | --user USER_ID]"); |
| pw.println(" Remove all sessions."); |
| pw.println(" Options:"); |
| pw.println(" -u or --user: specify which user's sessions to be removed."); |
| pw.println(" If not specified, sessions in all users are removed."); |
| pw.println(); |
| pw.println("clear-all-blobs [-u | --user USER_ID]"); |
| pw.println(" Remove all blobs."); |
| pw.println(" Options:"); |
| pw.println(" -u or --user: specify which user's blobs to be removed."); |
| pw.println(" If not specified, blobs in all users are removed."); |
| pw.println("delete-blob [-u | --user USER_ID] [--digest DIGEST] [--expiry EXPIRY_TIME] " |
| + "[--label LABEL] [--tag TAG]"); |
| pw.println(" Delete a blob."); |
| pw.println(" Options:"); |
| pw.println(" -u or --user: specify which user's blobs to be removed;"); |
| pw.println(" If not specified, blobs in all users are removed."); |
| pw.println(" --digest: Base64 encoded digest of the blob to delete."); |
| pw.println(" --expiry: Expiry time of the blob to delete, in milliseconds."); |
| pw.println(" --label: Label of the blob to delete."); |
| pw.println(" --tag: Tag of the blob to delete."); |
| pw.println("idle-maintenance"); |
| pw.println(" Run idle maintenance which takes care of removing stale data."); |
| pw.println(); |
| } |
| |
| private int parseOptions(PrintWriter pw, ParsedArgs args) { |
| String opt; |
| while ((opt = getNextOption()) != null) { |
| switch (opt) { |
| case "-u": |
| case "--user": |
| args.userId = Integer.parseInt(getNextArgRequired()); |
| break; |
| case "--algo": |
| args.algorithm = getNextArgRequired(); |
| break; |
| case "--digest": |
| args.digest = Base64.getDecoder().decode(getNextArgRequired()); |
| break; |
| case "--label": |
| args.label = getNextArgRequired(); |
| break; |
| case "--expiry": |
| args.expiryTimeMillis = Long.parseLong(getNextArgRequired()); |
| break; |
| case "--tag": |
| args.tag = getNextArgRequired(); |
| break; |
| default: |
| pw.println("Error: unknown option '" + opt + "'"); |
| return -1; |
| } |
| } |
| if (args.userId == UserHandle.USER_CURRENT) { |
| args.userId = ActivityManager.getCurrentUser(); |
| } |
| return 0; |
| } |
| |
| private static class ParsedArgs { |
| public int userId = UserHandle.USER_CURRENT; |
| |
| public String algorithm = BlobHandle.ALGO_SHA_256; |
| public byte[] digest; |
| public long expiryTimeMillis; |
| public CharSequence label; |
| public String tag; |
| |
| public BlobHandle getBlobHandle() { |
| return BlobHandle.create(algorithm, digest, label, expiryTimeMillis, tag); |
| } |
| } |
| } |