| /* |
| * 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.IntDef; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.StringRes; |
| import android.annotation.SuppressLint; |
| import android.annotation.SystemApi; |
| import android.compat.annotation.UnsupportedAppUsage; |
| import android.os.Build; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.text.TextUtils; |
| |
| import com.android.internal.util.Parcelling; |
| import com.android.internal.util.Parcelling.BuiltIn.ForStringSet; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.Collections; |
| import java.util.Set; |
| |
| /** |
| * 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; |
| |
| /** |
| * System-level value for {@link #protectionLevel}, corresponding |
| * to the <code>internal</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_INTERNAL = 4; |
| |
| /** @hide */ |
| @IntDef(flag = false, prefix = { "PROTECTION_" }, value = { |
| PROTECTION_NORMAL, |
| PROTECTION_DANGEROUS, |
| PROTECTION_SIGNATURE, |
| PROTECTION_SIGNATURE_OR_SYSTEM, |
| PROTECTION_INTERNAL, |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface Protection {} |
| |
| /** |
| * 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>instant</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| */ |
| public static final int PROTECTION_FLAG_INSTANT = 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; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>oem</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_OEM = 0x4000; |
| |
| /** |
| * Additional flag for {${link #protectionLevel}, corresponding |
| * to the <code>vendorPrivileged</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_VENDOR_PRIVILEGED = 0x8000; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>text_classifier</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_SYSTEM_TEXT_CLASSIFIER = 0x10000; |
| |
| /** |
| * Additional flag for {${link #protectionLevel}, corresponding |
| * to the <code>wellbeing</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| * |
| * @deprecated this protectionLevel is obsolete. Permissions previously granted through this |
| * protectionLevel have been migrated to use <code>role</code> instead |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_WELLBEING = 0x20000; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding to the |
| * {@code documenter} value of {@link android.R.attr#protectionLevel}. |
| * |
| * @deprecated this protectionLevel is obsolete. Permissions previously granted |
| * through this protectionLevel have been migrated to use <code>role</code> instead |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_DOCUMENTER = 0x40000; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding to the |
| * {@code configurator} value of {@link android.R.attr#protectionLevel}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_CONFIGURATOR = 0x80000; |
| |
| /** |
| * Additional flag for {${link #protectionLevel}, corresponding |
| * to the <code>incident_report_approver</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_INCIDENT_REPORT_APPROVER = 0x100000; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>app_predictor</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_APP_PREDICTOR = 0x200000; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>module</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_MODULE = 0x400000; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>companion</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_COMPANION = 0x800000; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>retailDemo</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| * |
| * @deprecated This flag has been replaced by the retail demo role and is a no-op since Android |
| * V. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_RETAIL_DEMO = 0x1000000; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding |
| * to the <code>recents</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_RECENTS = 0x2000000; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, corresponding to the <code>role</code> value of |
| * {@link android.R.attr#protectionLevel}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_ROLE = 0x4000000; |
| |
| /** |
| * Additional flag for {@link #protectionLevel}, correspoinding to the {@code knownSigner} value |
| * of {@link android.R.attr#protectionLevel}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int PROTECTION_FLAG_KNOWN_SIGNER = 0x8000000; |
| |
| /** @hide */ |
| @IntDef(flag = true, prefix = { "PROTECTION_FLAG_" }, value = { |
| PROTECTION_FLAG_PRIVILEGED, |
| PROTECTION_FLAG_SYSTEM, |
| PROTECTION_FLAG_DEVELOPMENT, |
| PROTECTION_FLAG_APPOP, |
| PROTECTION_FLAG_PRE23, |
| PROTECTION_FLAG_INSTALLER, |
| PROTECTION_FLAG_VERIFIER, |
| PROTECTION_FLAG_PREINSTALLED, |
| PROTECTION_FLAG_SETUP, |
| PROTECTION_FLAG_INSTANT, |
| PROTECTION_FLAG_RUNTIME_ONLY, |
| PROTECTION_FLAG_OEM, |
| PROTECTION_FLAG_VENDOR_PRIVILEGED, |
| PROTECTION_FLAG_SYSTEM_TEXT_CLASSIFIER, |
| PROTECTION_FLAG_CONFIGURATOR, |
| PROTECTION_FLAG_INCIDENT_REPORT_APPROVER, |
| PROTECTION_FLAG_APP_PREDICTOR, |
| PROTECTION_FLAG_COMPANION, |
| PROTECTION_FLAG_RETAIL_DEMO, |
| PROTECTION_FLAG_RECENTS, |
| PROTECTION_FLAG_ROLE, |
| PROTECTION_FLAG_KNOWN_SIGNER, |
| PROTECTION_FLAG_MODULE, |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface ProtectionFlags {} |
| |
| /** |
| * Mask for {@link #protectionLevel}: the basic protection type. |
| * |
| * @deprecated Use #getProtection() instead. |
| */ |
| @Deprecated |
| public static final int PROTECTION_MASK_BASE = 0xf; |
| |
| /** |
| * Mask for {@link #protectionLevel}: additional flag bits. |
| * |
| * @deprecated Use #getProtectionFlags() instead. |
| */ |
| @Deprecated |
| public static final int PROTECTION_MASK_FLAGS = 0xfff0; |
| |
| /** |
| * The level of access this permission is protecting, as per |
| * {@link android.R.attr#protectionLevel}. Consists of |
| * a base permission type and zero or more flags. Use the following functions |
| * to extract them. |
| * |
| * <pre> |
| * int basePermissionType = permissionInfo.getProtection(); |
| * int permissionFlags = permissionInfo.getProtectionFlags(); |
| * </pre> |
| * |
| * <p></p>Base permission types are {@link #PROTECTION_NORMAL}, |
| * {@link #PROTECTION_DANGEROUS}, {@link #PROTECTION_SIGNATURE}, {@link #PROTECTION_INTERNAL} |
| * and the deprecated {@link #PROTECTION_SIGNATURE_OR_SYSTEM}. |
| * Flags are listed under {@link android.R.attr#protectionLevel}. |
| * |
| * @deprecated Use #getProtection() and #getProtectionFlags() instead. |
| */ |
| @Deprecated |
| public int protectionLevel; |
| |
| /** |
| * The group this permission is a part of, as per |
| * {@link android.R.attr#permissionGroup}. |
| * <p> |
| * The actual grouping of platform-defined runtime permissions is subject to change and can be |
| * queried with {@link PackageManager#getGroupOfPlatformPermission}. |
| */ |
| public @Nullable 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}, corresponding to <code>hardRestricted</code> |
| * value of {@link android.R.attr#permissionFlags}. |
| * |
| * <p> This permission is restricted by the platform and it would be |
| * grantable only to apps that meet special criteria per platform |
| * policy. |
| */ |
| public static final int FLAG_HARD_RESTRICTED = 1<<2; |
| |
| /** |
| * Flag for {@link #flags}, corresponding to <code>softRestricted</code> |
| * value of {@link android.R.attr#permissionFlags}. |
| * |
| * <p>This permission is restricted by the platform and it would be |
| * grantable in its full form to apps that meet special criteria |
| * per platform policy. Otherwise, a weaker form of the permission |
| * would be granted. The weak grant depends on the permission. |
| */ |
| public static final int FLAG_SOFT_RESTRICTED = 1<<3; |
| |
| /** |
| * Flag for {@link #flags}, corresponding to <code>immutablyRestricted</code> |
| * value of {@link android.R.attr#permissionFlags}. |
| * |
| * <p>This permission is restricted immutably which means that its |
| * restriction state may be specified only on the first install of |
| * the app and will stay in this initial allowlist state until |
| * the app is uninstalled. |
| */ |
| public static final int FLAG_IMMUTABLY_RESTRICTED = 1<<4; |
| |
| /** |
| * 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; |
| |
| /** @hide */ |
| @IntDef(flag = true, prefix = { "FLAG_" }, value = { |
| FLAG_COSTS_MONEY, |
| FLAG_REMOVED, |
| FLAG_HARD_RESTRICTED, |
| FLAG_SOFT_RESTRICTED, |
| FLAG_IMMUTABLY_RESTRICTED, |
| FLAG_INSTALLED |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface Flags {} |
| |
| /** |
| * Additional flags about this permission as given by |
| * {@link android.R.attr#permissionFlags}. |
| */ |
| public @Flags 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 @StringRes int descriptionRes; |
| |
| /** |
| * A string resource identifier (in the package's resources) used to request the permissions. |
| * From the "request" attribute or, if not set, 0. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public @StringRes int requestRes; |
| |
| /** |
| * Some permissions only grant access while the app is in foreground. Some of these permissions |
| * allow to add background capabilities by adding another permission. |
| * |
| * If this is such a permission, this is the name of the permission adding the background |
| * access. |
| * |
| * From the "backgroundPermission" attribute or, if not set null |
| * |
| * @hide |
| */ |
| @SystemApi |
| public final @Nullable String backgroundPermission; |
| |
| /** |
| * 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 @Nullable CharSequence nonLocalizedDescription; |
| |
| private static final ForStringSet sForStringSet = |
| Parcelling.Cache.getOrCreate(ForStringSet.class); |
| |
| /** |
| * A {@link Set} of trusted signing certificate digests. If this permission has the {@link |
| * #PROTECTION_FLAG_KNOWN_SIGNER} flag set the permission will be granted to a requesting app |
| * if the app is signed by any of these certificates. |
| * |
| * @hide |
| */ |
| // Already being used as mutable and most other fields in this class are also mutable. |
| @SuppressLint("MutableBareField") |
| @SystemApi |
| public @NonNull Set<String> knownCerts = Collections.emptySet(); |
| |
| /** @hide */ |
| public static int fixProtectionLevel(int level) { |
| if (level == PROTECTION_SIGNATURE_OR_SYSTEM) { |
| level = PROTECTION_SIGNATURE | PROTECTION_FLAG_PRIVILEGED; |
| } |
| if ((level & PROTECTION_FLAG_VENDOR_PRIVILEGED) != 0 |
| && (level & PROTECTION_FLAG_PRIVILEGED) == 0) { |
| // 'vendorPrivileged' must be 'privileged'. If not, |
| // drop the vendorPrivileged. |
| level = level & ~PROTECTION_FLAG_VENDOR_PRIVILEGED; |
| } |
| return level; |
| } |
| |
| /** @hide */ |
| @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553) |
| public static @NonNull String protectionToString(int level) { |
| final StringBuilder protLevel = new StringBuilder(); |
| switch (level & PROTECTION_MASK_BASE) { |
| case PermissionInfo.PROTECTION_DANGEROUS: |
| protLevel.append("dangerous"); |
| break; |
| case PermissionInfo.PROTECTION_NORMAL: |
| protLevel.append("normal"); |
| break; |
| case PermissionInfo.PROTECTION_SIGNATURE: |
| protLevel.append("signature"); |
| break; |
| case PermissionInfo.PROTECTION_SIGNATURE_OR_SYSTEM: |
| protLevel.append("signatureOrSystem"); |
| break; |
| case PermissionInfo.PROTECTION_INTERNAL: |
| protLevel.append("internal"); |
| break; |
| default: |
| protLevel.append("????"); |
| break; |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { |
| protLevel.append("|privileged"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { |
| protLevel.append("|development"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { |
| protLevel.append("|appop"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_PRE23) != 0) { |
| protLevel.append("|pre23"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0) { |
| protLevel.append("|installer"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0) { |
| protLevel.append("|verifier"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0) { |
| protLevel.append("|preinstalled"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_SETUP) != 0) { |
| protLevel.append("|setup"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_INSTANT) != 0) { |
| protLevel.append("|instant"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_RUNTIME_ONLY) != 0) { |
| protLevel.append("|runtime"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_OEM) != 0) { |
| protLevel.append("|oem"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_VENDOR_PRIVILEGED) != 0) { |
| protLevel.append("|vendorPrivileged"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_SYSTEM_TEXT_CLASSIFIER) != 0) { |
| protLevel.append("|textClassifier"); |
| } |
| if ((level & PROTECTION_FLAG_CONFIGURATOR) != 0) { |
| protLevel.append("|configurator"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_INCIDENT_REPORT_APPROVER) != 0) { |
| protLevel.append("|incidentReportApprover"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_APP_PREDICTOR) != 0) { |
| protLevel.append("|appPredictor"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_COMPANION) != 0) { |
| protLevel.append("|companion"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_RETAIL_DEMO) != 0) { |
| protLevel.append("|retailDemo"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_RECENTS) != 0) { |
| protLevel.append("|recents"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_ROLE) != 0) { |
| protLevel.append("|role"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_KNOWN_SIGNER) != 0) { |
| protLevel.append("|knownSigner"); |
| } |
| if ((level & PermissionInfo.PROTECTION_FLAG_MODULE) != 0) { |
| protLevel.append(("|module")); |
| } |
| return protLevel.toString(); |
| } |
| |
| /** @hide */ |
| public static @NonNull String flagsToString(@Flags int flags) { |
| StringBuilder sb = new StringBuilder("["); |
| while (flags != 0) { |
| final int flag = 1 << Integer.numberOfTrailingZeros(flags); |
| flags &= ~flag; |
| switch (flag) { |
| case PermissionInfo.FLAG_COSTS_MONEY: |
| sb.append("costsMoney"); |
| break; |
| case PermissionInfo.FLAG_REMOVED: |
| sb.append("removed"); |
| break; |
| case PermissionInfo.FLAG_HARD_RESTRICTED: |
| sb.append("hardRestricted"); |
| break; |
| case PermissionInfo.FLAG_SOFT_RESTRICTED: |
| sb.append("softRestricted"); |
| break; |
| case PermissionInfo.FLAG_IMMUTABLY_RESTRICTED: |
| sb.append("immutablyRestricted"); |
| break; |
| case PermissionInfo.FLAG_INSTALLED: |
| sb.append("installed"); |
| break; |
| default: sb.append(flag); |
| } |
| if (flags != 0) { |
| sb.append("|"); |
| } |
| } |
| return sb.append("]").toString(); |
| } |
| |
| /** |
| * @hide |
| */ |
| public PermissionInfo(@Nullable String backgroundPermission) { |
| this.backgroundPermission = backgroundPermission; |
| } |
| |
| /** |
| * @deprecated Should only be created by the system. |
| */ |
| @Deprecated |
| public PermissionInfo() { |
| this((String) null); |
| } |
| |
| /** |
| * @deprecated Should only be created by the system. |
| */ |
| @Deprecated |
| public PermissionInfo(@NonNull PermissionInfo orig) { |
| super(orig); |
| protectionLevel = orig.protectionLevel; |
| flags = orig.flags; |
| group = orig.group; |
| backgroundPermission = orig.backgroundPermission; |
| descriptionRes = orig.descriptionRes; |
| requestRes = orig.requestRes; |
| nonLocalizedDescription = orig.nonLocalizedDescription; |
| // Note that knownCerts wasn't properly copied before Android U. |
| knownCerts = orig.knownCerts; |
| } |
| |
| /** |
| * 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 @Nullable CharSequence loadDescription(@NonNull PackageManager pm) { |
| if (nonLocalizedDescription != null) { |
| return nonLocalizedDescription; |
| } |
| if (descriptionRes != 0) { |
| CharSequence label = pm.getText(packageName, descriptionRes, null); |
| if (label != null) { |
| return label; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Return the base permission type. |
| */ |
| @Protection |
| public int getProtection() { |
| return protectionLevel & PROTECTION_MASK_BASE; |
| } |
| |
| /** |
| * Return the additional flags in {@link #protectionLevel}. |
| */ |
| @ProtectionFlags |
| public int getProtectionFlags() { |
| return protectionLevel & ~PROTECTION_MASK_BASE; |
| } |
| |
| @Override |
| public String toString() { |
| return "PermissionInfo{" |
| + Integer.toHexString(System.identityHashCode(this)) |
| + " " + name + "}"; |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int parcelableFlags) { |
| super.writeToParcel(dest, parcelableFlags); |
| dest.writeInt(protectionLevel); |
| dest.writeInt(flags); |
| dest.writeString8(group); |
| dest.writeString8(backgroundPermission); |
| dest.writeInt(descriptionRes); |
| dest.writeInt(requestRes); |
| TextUtils.writeToParcel(nonLocalizedDescription, dest, parcelableFlags); |
| sForStringSet.parcel(knownCerts, dest, parcelableFlags); |
| } |
| |
| /** @hide */ |
| public int calculateFootprint() { |
| int size = name.length(); |
| if (nonLocalizedLabel != null) { |
| size += nonLocalizedLabel.length(); |
| } |
| if (nonLocalizedDescription != null) { |
| size += nonLocalizedDescription.length(); |
| } |
| return size; |
| } |
| |
| /** @hide */ |
| public boolean isHardRestricted() { |
| return (flags & PermissionInfo.FLAG_HARD_RESTRICTED) != 0; |
| } |
| |
| /** @hide */ |
| public boolean isSoftRestricted() { |
| return (flags & PermissionInfo.FLAG_SOFT_RESTRICTED) != 0; |
| } |
| |
| /** @hide */ |
| public boolean isRestricted() { |
| return isHardRestricted() || isSoftRestricted(); |
| } |
| |
| /** @hide */ |
| public boolean isAppOp() { |
| return (protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0; |
| } |
| |
| /** @hide */ |
| public boolean isRuntime() { |
| return getProtection() == PROTECTION_DANGEROUS; |
| } |
| |
| public static final @NonNull Creator<PermissionInfo> CREATOR = |
| new Creator<PermissionInfo>() { |
| @Override |
| public PermissionInfo createFromParcel(Parcel source) { |
| return new PermissionInfo(source); |
| } |
| @Override |
| public PermissionInfo[] newArray(int size) { |
| return new PermissionInfo[size]; |
| } |
| }; |
| |
| private PermissionInfo(Parcel source) { |
| super(source); |
| protectionLevel = source.readInt(); |
| flags = source.readInt(); |
| group = source.readString8(); |
| backgroundPermission = source.readString8(); |
| descriptionRes = source.readInt(); |
| requestRes = source.readInt(); |
| nonLocalizedDescription = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); |
| knownCerts = sForStringSet.unparcel(source); |
| } |
| } |
