| /* |
| * Copyright (C) 2008 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 android.content.pm; |
| |
| import android.annotation.SystemApi; |
| import android.annotation.TestApi; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.text.TextUtils; |
| |
| /** |
| * Information you can retrieve about a particular security permission |
| * known to the system. This corresponds to information collected from the |
| * AndroidManifest.xml's <permission> tags. |
| */ |
| public class PermissionInfo extends PackageItemInfo implements Parcelable { |
| /** |
| * A normal application value for {@link #protectionLevel}, corresponding |
| * to the <code>normal</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_NORMAL = 0; |
| |
| /** |
| * Dangerous value for {@link #protectionLevel}, corresponding |
| * to the <code>dangerous</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_DANGEROUS = 1; |
| |
| /** |
| * System-level value for {@link #protectionLevel}, corresponding |
| * to the <code>signature</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_SIGNATURE = 2; |
| |
| /** |
| * @deprecated Use {@link #PROTECTION_SIGNATURE}|{@link #PROTECTION_FLAG_PRIVILEGED} |
| * instead. |
| */ |
| @Deprecated |
| public static final int PROTECTION_SIGNATURE_OR_SYSTEM = 3; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>privileged</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_FLAG_PRIVILEGED = 0x10; |
| |
| /** |
| * @deprecated Old name for {@link #PROTECTION_FLAG_PRIVILEGED}, which |
| * is now very confusing because it only applies to privileged apps, not all |
| * apps on the system image. |
| */ |
| @Deprecated |
| public static final int PROTECTION_FLAG_SYSTEM = 0x10; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>development</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_FLAG_DEVELOPMENT = 0x20; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>appop</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_FLAG_APPOP = 0x40; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>pre23</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_FLAG_PRE23 = 0x80; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>installer</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_FLAG_INSTALLER = 0x100; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>verifier</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_FLAG_VERIFIER = 0x200; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>preinstalled</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_FLAG_PREINSTALLED = 0x400; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>setup</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_FLAG_SETUP = 0x800; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>ephemeral</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| * @hide |
| */ |
| @SystemApi |
| @TestApi |
| public static final int PROTECTION_FLAG_EPHEMERAL = 0x1000; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>runtime</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_FLAG_RUNTIME_ONLY = 0x2000; |
| |
| /** |
| * Mask for {@link #protectionLevel}: the basic protection type. |
| */ |
| public static final int PROTECTION_MASK_BASE = 0xf; |
| |
| /** |
| * Mask for {@link #protectionLevel}: additional flag bits. |
| */ |
| public static final int PROTECTION_MASK_FLAGS = 0xfff0; |
| |
| /** |
| * The level of access this permission is protecting, as per |
| * {@link android.R.attr#protectionLevel}. Values may be |
| * {@link #PROTECTION_NORMAL}, {@link #PROTECTION_DANGEROUS}, or |
| * {@link #PROTECTION_SIGNATURE}. May also include the additional |
| * flags {@link #PROTECTION_FLAG_SYSTEM} or {@link #PROTECTION_FLAG_DEVELOPMENT} |
| * (which only make sense in combination with the base |
| * {@link #PROTECTION_SIGNATURE}. |
| */ |
| public int protectionLevel; |
| |
| /** |
| * The group this permission is a part of, as per |
| * {@link android.R.attr#permissionGroup}. |
| */ |
| public String group; |
| |
| /** |
| * Flag for {@link #flags}, corresponding to <code>costsMoney</code> |
| * value of {@link android.R.attr#permissionFlags}. |
| */ |
| public static final int FLAG_COSTS_MONEY = 1<<0; |
| |
| /** |
| * Flag for {@link #flags}, corresponding to <code>removed</code> |
| * value of {@link android.R.attr#permissionFlags}. |
| * @hide |
| */ |
| @SystemApi |
| public static final int FLAG_REMOVED = 1<<1; |
| |
| /** |
| * Flag for {@link #flags}, indicating that this permission has been |
| * installed into the system's globally defined permissions. |
| */ |
| public static final int FLAG_INSTALLED = 1<<30; |
| |
| /** |
| * Additional flags about this permission as given by |
| * {@link android.R.attr#permissionFlags}. |
| */ |
| public int flags; |
| |
| /** |
| * A string resource identifier (in the package's resources) of this |
| * permission's description. From the "description" attribute or, |
| * if not set, 0. |
| */ |
| public int descriptionRes; |
| |
| /** |
| * The description string provided in the AndroidManifest file, if any. You |
| * probably don't want to use this, since it will be null if the description |
| * is in a resource. You probably want |
| * {@link PermissionInfo#loadDescription} instead. |
| */ |
| public CharSequence nonLocalizedDescription; |
| |
| /** @hide */ |
| public static int fixProtectionLevel(int level) { |
| if (level == PROTECTION_SIGNATURE_OR_SYSTEM) { |
| level = PROTECTION_SIGNATURE | PROTECTION_FLAG_PRIVILEGED; |
| } |
| return level; |
| } |
| |
| /** @hide */ |
| public static String protectionToString(int level) { |
| String protLevel = "????"; |
| switch (level&PROTECTION_MASK_BASE) { |
| case PermissionInfo.PROTECTION_DANGEROUS: |
| protLevel = "dangerous"; |
| break; |
| case PermissionInfo.PROTECTION_NORMAL: |
| protLevel = "normal"; |
| break; |
| case PermissionInfo.PROTECTION_SIGNATURE: |
| protLevel = "signature"; |
| break; |
| case PermissionInfo.PROTECTION_SIGNATURE_OR_SYSTEM: |
| protLevel = "signatureOrSystem"; |
| break; |
| } |
| if ((level&PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { |
| protLevel += "|privileged"; |
| } |
| if ((level&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { |
| protLevel += "|development"; |
| } |
| if ((level&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { |
| protLevel += "|appop"; |
| } |
| if ((level&PermissionInfo.PROTECTION_FLAG_PRE23) != 0) { |
| protLevel += "|pre23"; |
| } |
| if ((level&PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0) { |
| protLevel += "|installer"; |
| } |
| if ((level&PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0) { |
| protLevel += "|verifier"; |
| } |
| if ((level&PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0) { |
| protLevel += "|preinstalled"; |
| } |
| if ((level&PermissionInfo.PROTECTION_FLAG_SETUP) != 0) { |
| protLevel += "|setup"; |
| } |
| if ((level&PermissionInfo.PROTECTION_FLAG_EPHEMERAL) != 0) { |
| protLevel += "|ephemeral"; |
| } |
| if ((level&PermissionInfo.PROTECTION_FLAG_RUNTIME_ONLY) != 0) { |
| protLevel += "|runtime"; |
| } |
| return protLevel; |
| } |
| |
| public PermissionInfo() { |
| } |
| |
| public PermissionInfo(PermissionInfo orig) { |
| super(orig); |
| protectionLevel = orig.protectionLevel; |
| flags = orig.flags; |
| group = orig.group; |
| descriptionRes = orig.descriptionRes; |
| nonLocalizedDescription = orig.nonLocalizedDescription; |
| } |
| |
| /** |
| * Retrieve the textual description of this permission. This |
| * will call back on the given PackageManager to load the description from |
| * the application. |
| * |
| * @param pm A PackageManager from which the label can be loaded; usually |
| * the PackageManager from which you originally retrieved this item. |
| * |
| * @return Returns a CharSequence containing the permission's description. |
| * If there is no description, null is returned. |
| */ |
| public CharSequence loadDescription(PackageManager pm) { |
| if (nonLocalizedDescription != null) { |
| return nonLocalizedDescription; |
| } |
| if (descriptionRes != 0) { |
| CharSequence label = pm.getText(packageName, descriptionRes, null); |
| if (label != null) { |
| return label; |
| } |
| } |
| return null; |
| } |
| |
| public String toString() { |
| return "PermissionInfo{" |
| + Integer.toHexString(System.identityHashCode(this)) |
| + " " + name + "}"; |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int parcelableFlags) { |
| super.writeToParcel(dest, parcelableFlags); |
| dest.writeInt(protectionLevel); |
| dest.writeInt(flags); |
| dest.writeString(group); |
| dest.writeInt(descriptionRes); |
| TextUtils.writeToParcel(nonLocalizedDescription, dest, parcelableFlags); |
| } |
| |
| public static final Creator<PermissionInfo> CREATOR = |
| new Creator<PermissionInfo>() { |
| public PermissionInfo createFromParcel(Parcel source) { |
| return new PermissionInfo(source); |
| } |
| public PermissionInfo[] newArray(int size) { |
| return new PermissionInfo[size]; |
| } |
| }; |
| |
| private PermissionInfo(Parcel source) { |
| super(source); |
| protectionLevel = source.readInt(); |
| flags = source.readInt(); |
| group = source.readString(); |
| descriptionRes = source.readInt(); |
| nonLocalizedDescription = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); |
| } |
| } |