104 lines
3.6 KiB
Java
104 lines
3.6 KiB
Java
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/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.am;
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import android.content.Intent;
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import android.net.Uri;
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import java.io.PrintWriter;
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import java.util.HashSet;
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/**
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* Description of a permission granted to an app to access a particular URI.
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*
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* CTS tests for this functionality can be run with "runtest cts-appsecurity".
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*
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* Test cases are at cts/tests/appsecurity-tests/test-apps/UsePermissionDiffCert/
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* src/com/android/cts/usespermissiondiffcertapp/AccessPermissionWithDiffSigTest.java
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*/
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class UriPermission {
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final int uid;
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final Uri uri;
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int modeFlags = 0;
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int globalModeFlags = 0;
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final HashSet<UriPermissionOwner> readOwners = new HashSet<UriPermissionOwner>();
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final HashSet<UriPermissionOwner> writeOwners = new HashSet<UriPermissionOwner>();
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String stringName;
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UriPermission(int _uid, Uri _uri) {
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uid = _uid;
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uri = _uri;
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}
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void clearModes(int modeFlagsToClear) {
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if ((modeFlagsToClear&Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) {
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globalModeFlags &= ~Intent.FLAG_GRANT_READ_URI_PERMISSION;
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modeFlags &= ~Intent.FLAG_GRANT_READ_URI_PERMISSION;
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if (readOwners.size() > 0) {
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for (UriPermissionOwner r : readOwners) {
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r.removeReadPermission(this);
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}
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readOwners.clear();
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}
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}
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if ((modeFlagsToClear&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) {
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globalModeFlags &= ~Intent.FLAG_GRANT_WRITE_URI_PERMISSION;
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modeFlags &= ~Intent.FLAG_GRANT_WRITE_URI_PERMISSION;
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if (writeOwners.size() > 0) {
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for (UriPermissionOwner r : writeOwners) {
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r.removeWritePermission(this);
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}
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writeOwners.clear();
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}
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}
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}
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public String toString() {
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if (stringName != null) {
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return stringName;
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}
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StringBuilder sb = new StringBuilder(128);
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sb.append("UriPermission{");
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sb.append(Integer.toHexString(System.identityHashCode(this)));
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sb.append(' ');
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sb.append(uri);
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sb.append('}');
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return stringName = sb.toString();
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}
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void dump(PrintWriter pw, String prefix) {
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pw.print(prefix); pw.print("modeFlags=0x");
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pw.print(Integer.toHexString(modeFlags));
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pw.print(" uid="); pw.print(uid);
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pw.print(" globalModeFlags=0x");
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pw.println(Integer.toHexString(globalModeFlags));
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if (readOwners.size() != 0) {
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pw.print(prefix); pw.println("readOwners:");
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for (UriPermissionOwner owner : readOwners) {
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pw.print(prefix); pw.print(" * "); pw.println(owner);
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}
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}
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if (writeOwners.size() != 0) {
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pw.print(prefix); pw.println("writeOwners:");
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for (UriPermissionOwner owner : writeOwners) {
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pw.print(prefix); pw.print(" * "); pw.println(owner);
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}
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}
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}
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}
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