The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.am; |
| 18 | |
| 19 | import android.content.Intent; |
| 20 | import android.net.Uri; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 21 | import android.os.UserHandle; |
| 22 | import android.util.Log; |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 23 | import android.util.Slog; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 24 | |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 25 | import com.google.android.collect.Sets; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 26 | |
| 27 | import java.io.PrintWriter; |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 28 | import java.util.Comparator; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 29 | import java.util.HashSet; |
| 30 | |
Dianne Hackborn | 7e26964 | 2010-08-25 19:50:20 -0700 | [diff] [blame] | 31 | /** |
| 32 | * Description of a permission granted to an app to access a particular URI. |
| 33 | * |
| 34 | * CTS tests for this functionality can be run with "runtest cts-appsecurity". |
| 35 | * |
Dianne Hackborn | cca1f0e | 2010-09-26 18:34:53 -0700 | [diff] [blame] | 36 | * Test cases are at cts/tests/appsecurity-tests/test-apps/UsePermissionDiffCert/ |
| 37 | * src/com/android/cts/usespermissiondiffcertapp/AccessPermissionWithDiffSigTest.java |
Dianne Hackborn | 7e26964 | 2010-08-25 19:50:20 -0700 | [diff] [blame] | 38 | */ |
Dianne Hackborn | be4e6aa | 2013-06-07 13:25:29 -0700 | [diff] [blame] | 39 | final class UriPermission { |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 40 | private static final String TAG = "UriPermission"; |
| 41 | |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 42 | public static final int STRENGTH_NONE = 0; |
| 43 | public static final int STRENGTH_OWNED = 1; |
| 44 | public static final int STRENGTH_GLOBAL = 2; |
| 45 | public static final int STRENGTH_PERSISTABLE = 3; |
| 46 | |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 47 | final int userHandle; |
| 48 | final String sourcePkg; |
| 49 | final String targetPkg; |
| 50 | |
| 51 | /** Cached UID of {@link #targetPkg}; should not be persisted */ |
| 52 | final int targetUid; |
| 53 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 54 | final Uri uri; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 55 | |
| 56 | /** |
| 57 | * Allowed modes. All permission enforcement should use this field. Must |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 58 | * always be a combination of {@link #ownedModeFlags}, |
| 59 | * {@link #globalModeFlags}, {@link #persistableModeFlags}, and |
| 60 | * {@link #persistedModeFlags}. Mutations <em>must</em> only be performed by |
| 61 | * the owning class. |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 62 | */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 63 | int modeFlags = 0; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 64 | |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 65 | /** Allowed modes with explicit owner. */ |
| 66 | int ownedModeFlags = 0; |
| 67 | /** Allowed modes without explicit owner. */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 68 | int globalModeFlags = 0; |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 69 | /** Allowed modes that have been offered for possible persisting. */ |
| 70 | int persistableModeFlags = 0; |
| 71 | /** Allowed modes that should be persisted across device boots. */ |
| 72 | int persistedModeFlags = 0; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 73 | |
| 74 | /** |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 75 | * Timestamp when {@link #persistedModeFlags} was first defined in |
| 76 | * {@link System#currentTimeMillis()} time base. |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 77 | */ |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 78 | long persistedCreateTime = INVALID_TIME; |
| 79 | |
| 80 | private static final long INVALID_TIME = Long.MIN_VALUE; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 81 | |
| 82 | private HashSet<UriPermissionOwner> mReadOwners; |
| 83 | private HashSet<UriPermissionOwner> mWriteOwners; |
| 84 | |
| 85 | private String stringName; |
| 86 | |
| 87 | UriPermission(String sourcePkg, String targetPkg, int targetUid, Uri uri) { |
| 88 | this.userHandle = UserHandle.getUserId(targetUid); |
| 89 | this.sourcePkg = sourcePkg; |
| 90 | this.targetPkg = targetPkg; |
| 91 | this.targetUid = targetUid; |
| 92 | this.uri = uri; |
| 93 | } |
| 94 | |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 95 | private void updateModeFlags() { |
| 96 | modeFlags = ownedModeFlags | globalModeFlags | persistableModeFlags | persistedModeFlags; |
| 97 | } |
| 98 | |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 99 | /** |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 100 | * Initialize persisted modes as read from file. This doesn't issue any |
| 101 | * global or owner grants. |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 102 | */ |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 103 | void initPersistedModes(int modeFlags, long createdTime) { |
| 104 | persistableModeFlags = modeFlags; |
| 105 | persistedModeFlags = modeFlags; |
| 106 | persistedCreateTime = createdTime; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 107 | |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 108 | updateModeFlags(); |
| 109 | } |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 110 | |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 111 | void grantModes(int modeFlags, boolean persistable, UriPermissionOwner owner) { |
| 112 | if (persistable) { |
| 113 | persistableModeFlags |= modeFlags; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | if (owner == null) { |
| 117 | globalModeFlags |= modeFlags; |
| 118 | } else { |
| 119 | if ((modeFlags & Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) { |
| 120 | addReadOwner(owner); |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 121 | } |
| 122 | if ((modeFlags & Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) { |
| 123 | addWriteOwner(owner); |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 124 | } |
| 125 | } |
| 126 | |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 127 | updateModeFlags(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 128 | } |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 129 | |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 130 | /** |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 131 | * @return if mode changes should trigger persisting. |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 132 | */ |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 133 | boolean takePersistableModes(int modeFlags) { |
| 134 | if ((~persistableModeFlags & modeFlags) != 0) { |
| 135 | Slog.w(TAG, "Trying to take 0x" + Integer.toHexString(modeFlags) + " but only 0x" |
| 136 | + Integer.toHexString(persistableModeFlags) + " are available"); |
| 137 | } |
| 138 | |
| 139 | final int before = persistedModeFlags; |
| 140 | persistedModeFlags |= (persistableModeFlags & modeFlags); |
| 141 | |
| 142 | if (persistedModeFlags != 0) { |
| 143 | persistedCreateTime = System.currentTimeMillis(); |
| 144 | } |
| 145 | |
| 146 | updateModeFlags(); |
| 147 | return persistedModeFlags != before; |
| 148 | } |
| 149 | |
| 150 | boolean releasePersistableModes(int modeFlags) { |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 151 | final int before = persistedModeFlags; |
| 152 | |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 153 | persistableModeFlags &= ~modeFlags; |
| 154 | persistedModeFlags &= ~modeFlags; |
| 155 | |
| 156 | if (persistedModeFlags == 0) { |
| 157 | persistedCreateTime = INVALID_TIME; |
| 158 | } |
| 159 | |
| 160 | updateModeFlags(); |
| 161 | return persistedModeFlags != before; |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * @return if mode changes should trigger persisting. |
| 166 | */ |
| 167 | boolean clearModes(int modeFlags, boolean persistable) { |
| 168 | final int before = persistedModeFlags; |
| 169 | |
| 170 | if ((modeFlags & Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) { |
| 171 | if (persistable) { |
| 172 | persistableModeFlags &= ~Intent.FLAG_GRANT_READ_URI_PERMISSION; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 173 | persistedModeFlags &= ~Intent.FLAG_GRANT_READ_URI_PERMISSION; |
| 174 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 175 | globalModeFlags &= ~Intent.FLAG_GRANT_READ_URI_PERMISSION; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 176 | if (mReadOwners != null) { |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 177 | ownedModeFlags &= ~Intent.FLAG_GRANT_READ_URI_PERMISSION; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 178 | for (UriPermissionOwner r : mReadOwners) { |
Dianne Hackborn | 39792d2 | 2010-08-19 18:01:52 -0700 | [diff] [blame] | 179 | r.removeReadPermission(this); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 180 | } |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 181 | mReadOwners = null; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 182 | } |
| 183 | } |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 184 | if ((modeFlags & Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) { |
| 185 | if (persistable) { |
| 186 | persistableModeFlags &= ~Intent.FLAG_GRANT_WRITE_URI_PERMISSION; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 187 | persistedModeFlags &= ~Intent.FLAG_GRANT_WRITE_URI_PERMISSION; |
| 188 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 189 | globalModeFlags &= ~Intent.FLAG_GRANT_WRITE_URI_PERMISSION; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 190 | if (mWriteOwners != null) { |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 191 | ownedModeFlags &= ~Intent.FLAG_GRANT_WRITE_URI_PERMISSION; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 192 | for (UriPermissionOwner r : mWriteOwners) { |
Dianne Hackborn | 39792d2 | 2010-08-19 18:01:52 -0700 | [diff] [blame] | 193 | r.removeWritePermission(this); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 194 | } |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 195 | mWriteOwners = null; |
| 196 | } |
| 197 | } |
| 198 | |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 199 | if (persistedModeFlags == 0) { |
| 200 | persistedCreateTime = INVALID_TIME; |
| 201 | } |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 202 | |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 203 | updateModeFlags(); |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 204 | return persistedModeFlags != before; |
| 205 | } |
| 206 | |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 207 | /** |
| 208 | * Return strength of this permission grant for the given flags. |
| 209 | */ |
| 210 | public int getStrength(int modeFlags) { |
| 211 | if ((persistableModeFlags & modeFlags) == modeFlags) { |
| 212 | return STRENGTH_PERSISTABLE; |
| 213 | } else if ((globalModeFlags & modeFlags) == modeFlags) { |
| 214 | return STRENGTH_GLOBAL; |
| 215 | } else if ((ownedModeFlags & modeFlags) == modeFlags) { |
| 216 | return STRENGTH_OWNED; |
| 217 | } else { |
| 218 | return STRENGTH_NONE; |
| 219 | } |
| 220 | } |
| 221 | |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 222 | private void addReadOwner(UriPermissionOwner owner) { |
| 223 | if (mReadOwners == null) { |
| 224 | mReadOwners = Sets.newHashSet(); |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 225 | ownedModeFlags |= Intent.FLAG_GRANT_READ_URI_PERMISSION; |
| 226 | updateModeFlags(); |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 227 | } |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 228 | if (mReadOwners.add(owner)) { |
| 229 | owner.addReadPermission(this); |
| 230 | } |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 231 | } |
| 232 | |
| 233 | /** |
| 234 | * Remove given read owner, updating {@Link #modeFlags} as needed. |
| 235 | */ |
| 236 | void removeReadOwner(UriPermissionOwner owner) { |
| 237 | if (!mReadOwners.remove(owner)) { |
| 238 | Log.wtf(TAG, "Unknown read owner " + owner + " in " + this); |
| 239 | } |
| 240 | if (mReadOwners.size() == 0) { |
| 241 | mReadOwners = null; |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 242 | ownedModeFlags &= ~Intent.FLAG_GRANT_READ_URI_PERMISSION; |
| 243 | updateModeFlags(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 244 | } |
| 245 | } |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 246 | |
| 247 | private void addWriteOwner(UriPermissionOwner owner) { |
| 248 | if (mWriteOwners == null) { |
| 249 | mWriteOwners = Sets.newHashSet(); |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 250 | ownedModeFlags |= Intent.FLAG_GRANT_WRITE_URI_PERMISSION; |
| 251 | updateModeFlags(); |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 252 | } |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 253 | if (mWriteOwners.add(owner)) { |
| 254 | owner.addWritePermission(this); |
| 255 | } |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 256 | } |
| 257 | |
| 258 | /** |
| 259 | * Remove given write owner, updating {@Link #modeFlags} as needed. |
| 260 | */ |
| 261 | void removeWriteOwner(UriPermissionOwner owner) { |
| 262 | if (!mWriteOwners.remove(owner)) { |
| 263 | Log.wtf(TAG, "Unknown write owner " + owner + " in " + this); |
| 264 | } |
| 265 | if (mWriteOwners.size() == 0) { |
| 266 | mWriteOwners = null; |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 267 | ownedModeFlags &= ~Intent.FLAG_GRANT_WRITE_URI_PERMISSION; |
| 268 | updateModeFlags(); |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 269 | } |
| 270 | } |
| 271 | |
| 272 | @Override |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 273 | public String toString() { |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 274 | if (stringName != null) { |
| 275 | return stringName; |
| 276 | } |
| 277 | StringBuilder sb = new StringBuilder(128); |
| 278 | sb.append("UriPermission{"); |
| 279 | sb.append(Integer.toHexString(System.identityHashCode(this))); |
| 280 | sb.append(' '); |
| 281 | sb.append(uri); |
| 282 | sb.append('}'); |
| 283 | return stringName = sb.toString(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 284 | } |
| 285 | |
| 286 | void dump(PrintWriter pw, String prefix) { |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 287 | pw.print(prefix); |
| 288 | pw.print("userHandle=" + userHandle); |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 289 | pw.print(" sourcePkg=" + sourcePkg); |
| 290 | pw.println(" targetPkg=" + targetPkg); |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 291 | |
| 292 | pw.print(prefix); |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 293 | pw.print("mode=0x" + Integer.toHexString(modeFlags)); |
| 294 | pw.print(" owned=0x" + Integer.toHexString(ownedModeFlags)); |
| 295 | pw.print(" global=0x" + Integer.toHexString(globalModeFlags)); |
| 296 | pw.print(" persistable=0x" + Integer.toHexString(persistableModeFlags)); |
| 297 | pw.print(" persisted=0x" + Integer.toHexString(persistedModeFlags)); |
| 298 | if (persistedCreateTime != INVALID_TIME) { |
| 299 | pw.print(" persistedCreate=" + persistedCreateTime); |
| 300 | } |
| 301 | pw.println(); |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 302 | |
| 303 | if (mReadOwners != null) { |
| 304 | pw.print(prefix); |
| 305 | pw.println("readOwners:"); |
| 306 | for (UriPermissionOwner owner : mReadOwners) { |
| 307 | pw.print(prefix); |
| 308 | pw.println(" * " + owner); |
Dianne Hackborn | 39792d2 | 2010-08-19 18:01:52 -0700 | [diff] [blame] | 309 | } |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 310 | } |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 311 | if (mWriteOwners != null) { |
| 312 | pw.print(prefix); |
| 313 | pw.println("writeOwners:"); |
| 314 | for (UriPermissionOwner owner : mReadOwners) { |
| 315 | pw.print(prefix); |
| 316 | pw.println(" * " + owner); |
Dianne Hackborn | 39792d2 | 2010-08-19 18:01:52 -0700 | [diff] [blame] | 317 | } |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 318 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 319 | } |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 320 | |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 321 | public static class PersistedTimeComparator implements Comparator<UriPermission> { |
| 322 | @Override |
| 323 | public int compare(UriPermission lhs, UriPermission rhs) { |
| 324 | return Long.compare(lhs.persistedCreateTime, rhs.persistedCreateTime); |
| 325 | } |
| 326 | } |
| 327 | |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 328 | /** |
| 329 | * Snapshot of {@link UriPermission} with frozen |
| 330 | * {@link UriPermission#persistedModeFlags} state. |
| 331 | */ |
| 332 | public static class Snapshot { |
| 333 | final int userHandle; |
| 334 | final String sourcePkg; |
| 335 | final String targetPkg; |
| 336 | final Uri uri; |
| 337 | final int persistedModeFlags; |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 338 | final long persistedCreateTime; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 339 | |
| 340 | private Snapshot(UriPermission perm) { |
| 341 | this.userHandle = perm.userHandle; |
| 342 | this.sourcePkg = perm.sourcePkg; |
| 343 | this.targetPkg = perm.targetPkg; |
| 344 | this.uri = perm.uri; |
| 345 | this.persistedModeFlags = perm.persistedModeFlags; |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 346 | this.persistedCreateTime = perm.persistedCreateTime; |
Jeff Sharkey | 328ebf2 | 2013-03-21 18:09:39 -0700 | [diff] [blame] | 347 | } |
| 348 | } |
| 349 | |
| 350 | public Snapshot snapshot() { |
| 351 | return new Snapshot(this); |
| 352 | } |
Jeff Sharkey | e66c177 | 2013-09-20 14:30:59 -0700 | [diff] [blame^] | 353 | |
| 354 | public android.content.UriPermission buildPersistedPublicApiObject() { |
| 355 | return new android.content.UriPermission(uri, persistedModeFlags, persistedCreateTime); |
| 356 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 357 | } |