| /* |
| * Copyright (C) 2016 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.os; |
| |
| import android.annotation.IntDef; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.RequiresPermission; |
| import android.annotation.SystemApi; |
| import android.annotation.SystemService; |
| import android.annotation.TestApi; |
| import android.content.Context; |
| import android.net.Uri; |
| import android.util.Slog; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Class to take an incident report. |
| * |
| * @hide |
| */ |
| @SystemApi |
| @TestApi |
| @SystemService(Context.INCIDENT_SERVICE) |
| public class IncidentManager { |
| private static final String TAG = "IncidentManager"; |
| |
| /** |
| * Authority for pending report id urls. |
| * |
| * @hide |
| */ |
| public static final String URI_SCHEME = "content"; |
| |
| /** |
| * Authority for pending report id urls. |
| * |
| * @hide |
| */ |
| public static final String URI_AUTHORITY = "android.os.IncidentManager"; |
| |
| /** |
| * Authority for pending report id urls. |
| * |
| * @hide |
| */ |
| public static final String URI_PATH = "/pending"; |
| |
| /** |
| * Query parameter for the uris for the pending report id. |
| * |
| * @hide |
| */ |
| public static final String URI_PARAM_ID = "id"; |
| |
| /** |
| * Query parameter for the uris for the incident report id. |
| * |
| * @hide |
| */ |
| public static final String URI_PARAM_REPORT_ID = "r"; |
| |
| /** |
| * Query parameter for the uris for the pending report id. |
| * |
| * @hide |
| */ |
| public static final String URI_PARAM_CALLING_PACKAGE = "pkg"; |
| |
| /** |
| * Query parameter for the uris for the pending report id, in wall clock |
| * ({@link System.currentTimeMillis()}) timebase. |
| * |
| * @hide |
| */ |
| public static final String URI_PARAM_TIMESTAMP = "t"; |
| |
| /** |
| * Query parameter for the uris for the pending report id. |
| * |
| * @hide |
| */ |
| public static final String URI_PARAM_FLAGS = "flags"; |
| |
| /** |
| * Query parameter for the uris for the pending report id. |
| * |
| * @hide |
| */ |
| public static final String URI_PARAM_RECEIVER_CLASS = "receiver"; |
| |
| /** |
| * Do the confirmation with a dialog instead of the default, which is a notification. |
| * It is possible for the dialog to be downgraded to a notification in some cases. |
| */ |
| public static final int FLAG_CONFIRMATION_DIALOG = 0x1; |
| |
| /** |
| * Flag marking fields and incident reports than can be taken |
| * off the device only via adb. |
| */ |
| public static final int PRIVACY_POLICY_LOCAL = 0; |
| |
| /** |
| * Flag marking fields and incident reports than can be taken |
| * off the device with contemporary consent. |
| */ |
| public static final int PRIVACY_POLICY_EXPLICIT = 100; |
| |
| /** |
| * Flag marking fields and incident reports than can be taken |
| * off the device with prior consent. |
| */ |
| public static final int PRIVACY_POLICY_AUTO = 200; |
| |
| /** @hide */ |
| @IntDef(flag = false, prefix = { "PRIVACY_POLICY_" }, value = { |
| PRIVACY_POLICY_AUTO, |
| PRIVACY_POLICY_EXPLICIT, |
| PRIVACY_POLICY_LOCAL, |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface PrivacyPolicy {} |
| |
| private final Context mContext; |
| |
| private Object mLock = new Object(); |
| private IIncidentManager mIncidentService; |
| private IIncidentCompanion mCompanionService; |
| |
| /** |
| * Record for a report that has been taken and is pending user authorization |
| * to share it. |
| * @hide |
| */ |
| @SystemApi |
| @TestApi |
| public static class PendingReport { |
| /** |
| * Encoded data. |
| */ |
| private final Uri mUri; |
| |
| /** |
| * URI_PARAM_FLAGS from the uri |
| */ |
| private final int mFlags; |
| |
| /** |
| * URI_PARAM_CALLING_PACKAGE from the uri |
| */ |
| private final String mRequestingPackage; |
| |
| /** |
| * URI_PARAM_TIMESTAMP from the uri |
| */ |
| private final long mTimestamp; |
| |
| /** |
| * Constructor. |
| */ |
| public PendingReport(@NonNull Uri uri) { |
| int flags = 0; |
| try { |
| flags = Integer.parseInt(uri.getQueryParameter(URI_PARAM_FLAGS)); |
| } catch (NumberFormatException ex) { |
| throw new RuntimeException("Invalid URI: No " + URI_PARAM_FLAGS |
| + " parameter. " + uri); |
| } |
| mFlags = flags; |
| |
| String requestingPackage = uri.getQueryParameter(URI_PARAM_CALLING_PACKAGE); |
| if (requestingPackage == null) { |
| throw new RuntimeException("Invalid URI: No " + URI_PARAM_CALLING_PACKAGE |
| + " parameter. " + uri); |
| } |
| mRequestingPackage = requestingPackage; |
| |
| long timestamp = -1; |
| try { |
| timestamp = Long.parseLong(uri.getQueryParameter(URI_PARAM_TIMESTAMP)); |
| } catch (NumberFormatException ex) { |
| throw new RuntimeException("Invalid URI: No " + URI_PARAM_TIMESTAMP |
| + " parameter. " + uri); |
| } |
| mTimestamp = timestamp; |
| |
| mUri = uri; |
| } |
| |
| /** |
| * Get the package with which this report will be shared. |
| */ |
| public @NonNull String getRequestingPackage() { |
| return mRequestingPackage; |
| } |
| |
| /** |
| * Get the flags requested for this pending report. |
| * |
| * @see #FLAG_CONFIRMATION_DIALOG |
| */ |
| public int getFlags() { |
| return mFlags; |
| } |
| |
| /** |
| * Get the time this pending report was posted. |
| */ |
| public long getTimestamp() { |
| return mTimestamp; |
| } |
| |
| /** |
| * Get the URI associated with this PendingReport. It can be used to |
| * re-retrieve it from {@link IncidentManager} or set as the data field of |
| * an Intent. |
| */ |
| public @NonNull Uri getUri() { |
| return mUri; |
| } |
| |
| /** |
| * String representation of this PendingReport. |
| */ |
| @Override |
| public @NonNull String toString() { |
| return "PendingReport(" + getUri().toString() + ")"; |
| } |
| } |
| |
| /** |
| * Record of an incident report that has previously been taken. |
| * @hide |
| */ |
| @SystemApi |
| @TestApi |
| public static class IncidentReport implements Parcelable, Closeable { |
| private final long mTimestampNs; |
| private final int mPrivacyPolicy; |
| private ParcelFileDescriptor mFileDescriptor; |
| |
| public IncidentReport(Parcel in) { |
| mTimestampNs = in.readLong(); |
| mPrivacyPolicy = in.readInt(); |
| if (in.readInt() != 0) { |
| mFileDescriptor = ParcelFileDescriptor.CREATOR.createFromParcel(in); |
| } else { |
| mFileDescriptor = null; |
| } |
| } |
| |
| /** |
| * Close the input stream associated with this entry. |
| */ |
| public void close() { |
| try { |
| if (mFileDescriptor != null) { |
| mFileDescriptor.close(); |
| mFileDescriptor = null; |
| } |
| } catch (IOException e) { |
| } |
| } |
| |
| /** |
| * Get the time at which this incident report was taken, in wall clock time |
| * ({@link System#currenttimeMillis System.currenttimeMillis()} time base). |
| */ |
| public long getTimestamp() { |
| return mTimestampNs / 1000000; |
| } |
| |
| /** |
| * Get the privacy level to which this report has been filtered. |
| * |
| * @see #PRIVACY_POLICY_AUTO |
| * @see #PRIVACY_POLICY_EXPLICIT |
| * @see #PRIVACY_POLICY_LOCAL |
| */ |
| public long getPrivacyPolicy() { |
| return mPrivacyPolicy; |
| } |
| |
| /** |
| * Get the contents of this incident report. |
| */ |
| public InputStream getInputStream() throws IOException { |
| if (mFileDescriptor == null) { |
| return null; |
| } |
| return new ParcelFileDescriptor.AutoCloseInputStream(mFileDescriptor); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| public int describeContents() { |
| return mFileDescriptor != null ? Parcelable.CONTENTS_FILE_DESCRIPTOR : 0; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| public void writeToParcel(Parcel out, int flags) { |
| out.writeLong(mTimestampNs); |
| out.writeInt(mPrivacyPolicy); |
| if (mFileDescriptor != null) { |
| out.writeInt(1); |
| mFileDescriptor.writeToParcel(out, flags); |
| } else { |
| out.writeInt(0); |
| } |
| } |
| |
| /** |
| * {@link Parcelable.Creator Creator} for {@link IncidentReport}. |
| */ |
| public static final @android.annotation.NonNull Parcelable.Creator<IncidentReport> CREATOR = new Parcelable.Creator() { |
| /** |
| * @inheritDoc |
| */ |
| public IncidentReport[] newArray(int size) { |
| return new IncidentReport[size]; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| public IncidentReport createFromParcel(Parcel in) { |
| return new IncidentReport(in); |
| } |
| }; |
| } |
| |
| /** |
| * Listener for the status of an incident report being authroized or denied. |
| * |
| * @see #requestAuthorization |
| * @see #cancelAuthorization |
| */ |
| public static class AuthListener { |
| IIncidentAuthListener.Stub mBinder = new IIncidentAuthListener.Stub() { |
| @Override |
| public void onReportApproved() { |
| AuthListener.this.onReportApproved(); |
| } |
| |
| @Override |
| public void onReportDenied() { |
| AuthListener.this.onReportDenied(); |
| } |
| }; |
| |
| /** |
| * Called when a report is approved. |
| */ |
| public void onReportApproved() { |
| } |
| |
| /** |
| * Called when a report is denied. |
| */ |
| public void onReportDenied() { |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public IncidentManager(Context context) { |
| mContext = context; |
| } |
| |
| /** |
| * Take an incident report. |
| */ |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.DUMP, |
| android.Manifest.permission.PACKAGE_USAGE_STATS |
| }) |
| public void reportIncident(IncidentReportArgs args) { |
| reportIncidentInternal(args); |
| } |
| |
| /** |
| * Request authorization of an incident report. |
| */ |
| @RequiresPermission(android.Manifest.permission.REQUEST_INCIDENT_REPORT_APPROVAL) |
| public void requestAuthorization(int callingUid, String callingPackage, int flags, |
| AuthListener listener) { |
| try { |
| getCompanionServiceLocked().authorizeReport(callingUid, callingPackage, null, null, |
| flags, listener.mBinder); |
| } catch (RemoteException ex) { |
| // System process going down |
| throw new RuntimeException(ex); |
| } |
| } |
| |
| /** |
| * Cancel a previous request for incident report authorization. |
| */ |
| @RequiresPermission(android.Manifest.permission.REQUEST_INCIDENT_REPORT_APPROVAL) |
| public void cancelAuthorization(AuthListener listener) { |
| try { |
| getCompanionServiceLocked().cancelAuthorization(listener.mBinder); |
| } catch (RemoteException ex) { |
| // System process going down |
| throw new RuntimeException(ex); |
| } |
| } |
| |
| /** |
| * Get incident (and bug) reports that are pending approval to share. |
| */ |
| @RequiresPermission(android.Manifest.permission.APPROVE_INCIDENT_REPORTS) |
| public List<PendingReport> getPendingReports() { |
| List<String> strings; |
| try { |
| strings = getCompanionServiceLocked().getPendingReports(); |
| } catch (RemoteException ex) { |
| throw new RuntimeException(ex); |
| } |
| final int size = strings.size(); |
| ArrayList<PendingReport> result = new ArrayList(size); |
| for (int i = 0; i < size; i++) { |
| result.add(new PendingReport(Uri.parse(strings.get(i)))); |
| } |
| return result; |
| } |
| |
| /** |
| * Allow this report to be shared with the given app. |
| */ |
| @RequiresPermission(android.Manifest.permission.APPROVE_INCIDENT_REPORTS) |
| public void approveReport(Uri uri) { |
| try { |
| getCompanionServiceLocked().approveReport(uri.toString()); |
| } catch (RemoteException ex) { |
| // System process going down |
| throw new RuntimeException(ex); |
| } |
| } |
| |
| /** |
| * Do not allow this report to be shared with the given app. |
| */ |
| @RequiresPermission(android.Manifest.permission.APPROVE_INCIDENT_REPORTS) |
| public void denyReport(Uri uri) { |
| try { |
| getCompanionServiceLocked().denyReport(uri.toString()); |
| } catch (RemoteException ex) { |
| // System process going down |
| throw new RuntimeException(ex); |
| } |
| } |
| |
| /** |
| * Get the incident reports that are available for upload for the supplied |
| * broadcast recevier. |
| * |
| * @param receiverClass Class name of broadcast receiver in this package that |
| * was registered to retrieve reports. |
| * |
| * @return A list of {@link Uri Uris} that are awaiting upload. |
| */ |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.DUMP, |
| android.Manifest.permission.PACKAGE_USAGE_STATS |
| }) |
| public @NonNull List<Uri> getIncidentReportList(String receiverClass) { |
| List<String> strings; |
| try { |
| strings = getCompanionServiceLocked().getIncidentReportList( |
| mContext.getPackageName(), receiverClass); |
| } catch (RemoteException ex) { |
| throw new RuntimeException("System server or incidentd going down", ex); |
| } |
| final int size = strings.size(); |
| ArrayList<Uri> result = new ArrayList(size); |
| for (int i = 0; i < size; i++) { |
| result.add(Uri.parse(strings.get(i))); |
| } |
| return result; |
| } |
| |
| /** |
| * Get the incident report with the given URI id. |
| * |
| * @param uri Identifier of the incident report. |
| * |
| * @return an IncidentReport object, or null if the incident report has been |
| * expired from disk. |
| */ |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.DUMP, |
| android.Manifest.permission.PACKAGE_USAGE_STATS |
| }) |
| public @Nullable IncidentReport getIncidentReport(Uri uri) { |
| final String pkg = uri.getQueryParameter(URI_PARAM_CALLING_PACKAGE); |
| if (pkg == null) { |
| throw new RuntimeException("Invalid URI: No " |
| + URI_PARAM_CALLING_PACKAGE + " parameter. " + uri); |
| } |
| |
| final String cls = uri.getQueryParameter(URI_PARAM_RECEIVER_CLASS); |
| if (cls == null) { |
| throw new RuntimeException("Invalid URI: No " |
| + URI_PARAM_RECEIVER_CLASS + " parameter. " + uri); |
| } |
| |
| final String id = uri.getQueryParameter(URI_PARAM_REPORT_ID); |
| if (cls == null) { |
| // If there's no report id, it's a bug report, so we can't return the incident |
| // report. |
| return null; |
| } |
| |
| try { |
| return getCompanionServiceLocked().getIncidentReport(pkg, cls, id); |
| } catch (RemoteException ex) { |
| throw new RuntimeException("System server or incidentd going down", ex); |
| } |
| } |
| |
| /** |
| * Delete the incident report with the given URI id. |
| * |
| * @param uri Identifier of the incident report. Pass null to delete all |
| * incident reports owned by this application. |
| */ |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.DUMP, |
| android.Manifest.permission.PACKAGE_USAGE_STATS |
| }) |
| public void deleteIncidentReports(Uri uri) { |
| if (uri == null) { |
| try { |
| getCompanionServiceLocked().deleteAllIncidentReports(mContext.getPackageName()); |
| } catch (RemoteException ex) { |
| throw new RuntimeException("System server or incidentd going down", ex); |
| } |
| } else { |
| final String pkg = uri.getQueryParameter(URI_PARAM_CALLING_PACKAGE); |
| if (pkg == null) { |
| throw new RuntimeException("Invalid URI: No " |
| + URI_PARAM_CALLING_PACKAGE + " parameter. " + uri); |
| } |
| |
| final String cls = uri.getQueryParameter(URI_PARAM_RECEIVER_CLASS); |
| if (cls == null) { |
| throw new RuntimeException("Invalid URI: No " |
| + URI_PARAM_RECEIVER_CLASS + " parameter. " + uri); |
| } |
| |
| final String id = uri.getQueryParameter(URI_PARAM_REPORT_ID); |
| if (cls == null) { |
| throw new RuntimeException("Invalid URI: No " |
| + URI_PARAM_REPORT_ID + " parameter. " + uri); |
| } |
| |
| try { |
| getCompanionServiceLocked().deleteIncidentReports(pkg, cls, id); |
| } catch (RemoteException ex) { |
| throw new RuntimeException("System server or incidentd going down", ex); |
| } |
| } |
| } |
| |
| private void reportIncidentInternal(IncidentReportArgs args) { |
| try { |
| final IIncidentManager service = getIIncidentManagerLocked(); |
| if (service == null) { |
| Slog.e(TAG, "reportIncident can't find incident binder service"); |
| return; |
| } |
| service.reportIncident(args); |
| } catch (RemoteException ex) { |
| Slog.e(TAG, "reportIncident failed", ex); |
| } |
| } |
| |
| private IIncidentManager getIIncidentManagerLocked() throws RemoteException { |
| if (mIncidentService != null) { |
| return mIncidentService; |
| } |
| |
| synchronized (mLock) { |
| if (mIncidentService != null) { |
| return mIncidentService; |
| } |
| mIncidentService = IIncidentManager.Stub.asInterface( |
| ServiceManager.getService(Context.INCIDENT_SERVICE)); |
| if (mIncidentService != null) { |
| mIncidentService.asBinder().linkToDeath(() -> { |
| synchronized (mLock) { |
| mIncidentService = null; |
| } |
| }, 0); |
| } |
| return mIncidentService; |
| } |
| } |
| |
| private IIncidentCompanion getCompanionServiceLocked() throws RemoteException { |
| if (mCompanionService != null) { |
| return mCompanionService; |
| } |
| |
| synchronized (this) { |
| if (mCompanionService != null) { |
| return mCompanionService; |
| } |
| mCompanionService = IIncidentCompanion.Stub.asInterface( |
| ServiceManager.getService(Context.INCIDENT_COMPANION_SERVICE)); |
| if (mCompanionService != null) { |
| mCompanionService.asBinder().linkToDeath(() -> { |
| synchronized (mLock) { |
| mCompanionService = null; |
| } |
| }, 0); |
| } |
| return mCompanionService; |
| } |
| } |
| } |
| |