cca1f0e347
I can't find the bug number for this, but it is needed for some things we are doing where the app building an intent may not have access to the URI in the data field. This is for HC, but doing in GB to avoid introducing integration issues. Change-Id: I0cac971854198b18775d2a73deb80f23431bfbe2
104 lines
3.6 KiB
Java
104 lines
3.6 KiB
Java
/*
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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 (readOwners.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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readOwners.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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