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A library jar that provides APIs for Applications written for the Google Android Platform.

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/*
 * Copyright (C) 2010 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.drm;

import android.annotation.NonNull;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteException;
import android.net.Uri;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import android.provider.MediaStore;
import android.util.Log;

import dalvik.system.CloseGuard;

import java.io.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.IOException;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.concurrent.atomic.AtomicBoolean;

/**
 * The main programming interface for the DRM framework. An application must instantiate this class
 * to access DRM agents through the DRM framework.
 *
 * @deprecated Please use {@link android.media.MediaDrm}
 */
@Deprecated
public class DrmManagerClient implements AutoCloseable {
    /**
     * Indicates that a request was successful or that no error occurred.
     */
    public static final int ERROR_NONE = 0;
    /**
     * Indicates that an error occurred and the reason is not known.
     */
    public static final int ERROR_UNKNOWN = -2000;

    /** {@hide} */
    public static final int INVALID_SESSION = -1;

    HandlerThread mInfoThread;
    HandlerThread mEventThread;
    private static final String TAG = "DrmManagerClient";

    private final AtomicBoolean mClosed = new AtomicBoolean();
    private final CloseGuard mCloseGuard = CloseGuard.get();

    static {
        // Load the respective library
        System.loadLibrary("drmframework_jni");
    }

    /**
     * Interface definition for a callback that receives status messages and warnings
     * during registration and rights acquisition.
     */
    public interface OnInfoListener {
        /**
         * Called when the DRM framework sends status or warning information during registration
         * and rights acquisition.
         *
         * @param client The DrmManagerClient instance.
         * @param event The {@link DrmInfoEvent} instance that wraps the status information or 
         * warnings.
         */
        public void onInfo(DrmManagerClient client, DrmInfoEvent event);
    }

    /**
     * Interface definition for a callback that receives information
     * about DRM processing events.
     */
    public interface OnEventListener {
        /**
         * Called when the DRM framework sends information about a DRM processing request.
         *
         * @param client The DrmManagerClient instance.
         * @param event The {@link DrmEvent} instance that wraps the information being
         * conveyed, such as the information type and message.
         */
        public void onEvent(DrmManagerClient client, DrmEvent event);
    }

    /**
     * Interface definition for a callback that receives information about DRM framework errors.
     */
    public interface OnErrorListener {
        /**
         * Called when the DRM framework sends error information.
         *
         * @param client The DrmManagerClient instance.
         * @param event The {@link DrmErrorEvent} instance that wraps the error type and message.
         */
        public void onError(DrmManagerClient client, DrmErrorEvent event);
    }

    private static final int ACTION_REMOVE_ALL_RIGHTS = 1001;
    private static final int ACTION_PROCESS_DRM_INFO = 1002;

    private int mUniqueId;
    private long mNativeContext;
    private Context mContext;
    private InfoHandler mInfoHandler;
    private EventHandler mEventHandler;
    private OnInfoListener mOnInfoListener;
    private OnEventListener mOnEventListener;
    private OnErrorListener mOnErrorListener;

    private class EventHandler extends Handler {

        public EventHandler(Looper looper) {
            super(looper);
        }

        public void handleMessage(Message msg) {
            DrmEvent event = null;
            DrmErrorEvent error = null;
            HashMap attributes = new HashMap();

            switch(msg.what) {
            case ACTION_PROCESS_DRM_INFO: {
                final DrmInfo drmInfo = (DrmInfo) msg.obj;
                DrmInfoStatus status = _processDrmInfo(mUniqueId, drmInfo);

                attributes.put(DrmEvent.DRM_INFO_STATUS_OBJECT, status);
                attributes.put(DrmEvent.DRM_INFO_OBJECT, drmInfo);

                if (null != status && DrmInfoStatus.STATUS_OK == status.statusCode) {
                    event = new DrmEvent(mUniqueId,
                            getEventType(status.infoType), null, attributes);
                } else {
                    int infoType = (null != status) ? status.infoType : drmInfo.getInfoType();
                    error = new DrmErrorEvent(mUniqueId,
                            getErrorType(infoType), null, attributes);
                }
                break;
            }
            case ACTION_REMOVE_ALL_RIGHTS: {
                if (ERROR_NONE == _removeAllRights(mUniqueId)) {
                    event = new DrmEvent(mUniqueId, DrmEvent.TYPE_ALL_RIGHTS_REMOVED, null);
                } else {
                    error = new DrmErrorEvent(mUniqueId,
                            DrmErrorEvent.TYPE_REMOVE_ALL_RIGHTS_FAILED, null);
                }
                break;
            }
            default:
                Log.e(TAG, "Unknown message type " + msg.what);
                return;
            }
            if (null != mOnEventListener && null != event) {
                mOnEventListener.onEvent(DrmManagerClient.this, event);
            }
            if (null != mOnErrorListener && null != error) {
                mOnErrorListener.onError(DrmManagerClient.this, error);
            }
        }
    }

    /**
     * {@hide}
     */
    public static void notify(
            Object thisReference, int uniqueId, int infoType, String message) {
        DrmManagerClient instance = (DrmManagerClient)((WeakReference)thisReference).get();

        if (null != instance && null != instance.mInfoHandler) {
            Message m = instance.mInfoHandler.obtainMessage(
                InfoHandler.INFO_EVENT_TYPE, uniqueId, infoType, message);
            instance.mInfoHandler.sendMessage(m);
        }
    }

    private class InfoHandler extends Handler {
        public static final int INFO_EVENT_TYPE = 1;

        public InfoHandler(Looper looper) {
            super(looper);
        }

        public void handleMessage(Message msg) {
            DrmInfoEvent info = null;
            DrmErrorEvent error = null;

            switch (msg.what) {
            case InfoHandler.INFO_EVENT_TYPE:
                int uniqueId = msg.arg1;
                int infoType = msg.arg2;
                String message = msg.obj.toString();

                switch (infoType) {
                case DrmInfoEvent.TYPE_REMOVE_RIGHTS: {
                    try {
                        DrmUtils.removeFile(message);
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                    info = new DrmInfoEvent(uniqueId, infoType, message);
                    break;
                }
                case DrmInfoEvent.TYPE_ALREADY_REGISTERED_BY_ANOTHER_ACCOUNT:
                case DrmInfoEvent.TYPE_RIGHTS_INSTALLED:
                case DrmInfoEvent.TYPE_WAIT_FOR_RIGHTS:
                case DrmInfoEvent.TYPE_ACCOUNT_ALREADY_REGISTERED:
                case DrmInfoEvent.TYPE_RIGHTS_REMOVED: {
                    info = new DrmInfoEvent(uniqueId, infoType, message);
                    break;
                }
                default:
                    error = new DrmErrorEvent(uniqueId, infoType, message);
                    break;
                }

                if (null != mOnInfoListener && null != info) {
                    mOnInfoListener.onInfo(DrmManagerClient.this, info);
                }
                if (null != mOnErrorListener && null != error) {
                    mOnErrorListener.onError(DrmManagerClient.this, error);
                }
                return;
            default:
                Log.e(TAG, "Unknown message type " + msg.what);
                return;
            }
        }
    }

    /**
     * Creates a DrmManagerClient.
     *
     * @param context Context of the caller.
     */
    public DrmManagerClient(Context context) {
        mContext = context;
        createEventThreads();

        // save the unique id
        mUniqueId = _initialize();
        mCloseGuard.open("release");
    }

    @Override
    protected void finalize() throws Throwable {
        try {
            if (mCloseGuard != null) {
                mCloseGuard.warnIfOpen();
            }

            close();
        } finally {
            super.finalize();
        }
    }

    /**
     * Releases resources associated with the current session of
     * DrmManagerClient. It is considered good practice to call this method when
     * the {@link DrmManagerClient} object is no longer needed in your
     * application. After this method is called, {@link DrmManagerClient} is no
     * longer usable since it has lost all of its required resource.
     *
     * This method was added in API 24. In API versions 16 through 23, release()
     * should be called instead. There is no need to do anything for API
     * versions prior to 16.
     */
    @Override
    public void close() {
        mCloseGuard.close();
        if (mClosed.compareAndSet(false, true)) {
            if (mEventHandler != null) {
                mEventThread.quit();
                mEventThread = null;
            }
            if (mInfoHandler != null) {
                mInfoThread.quit();
                mInfoThread = null;
            }
            mEventHandler = null;
            mInfoHandler = null;
            mOnEventListener = null;
            mOnInfoListener = null;
            mOnErrorListener = null;
            _release(mUniqueId);
        }
    }

    /**
     * @deprecated replaced by {@link #close()}.
     */
    @Deprecated
    public void release() {
        close();
    }

    /**
     * Registers an {@link DrmManagerClient.OnInfoListener} callback, which is invoked when the 
     * DRM framework sends status or warning information during registration or rights acquisition.
     *
     * @param infoListener Interface definition for the callback.
     */
    public synchronized void setOnInfoListener(OnInfoListener infoListener) {
        mOnInfoListener = infoListener;
        if (null != infoListener) {
            createListeners();
        }
    }

    /**
     * Registers an {@link DrmManagerClient.OnEventListener} callback, which is invoked when the 
     * DRM framework sends information about DRM processing.
     *
     * @param eventListener Interface definition for the callback.
     */
    public synchronized void setOnEventListener(OnEventListener eventListener) {
        mOnEventListener = eventListener;
        if (null != eventListener) {
            createListeners();
        }
    }

    /**
     * Registers an {@link DrmManagerClient.OnErrorListener} callback, which is invoked when 
     * the DRM framework sends error information.
     *
     * @param errorListener Interface definition for the callback.
     */
    public synchronized void setOnErrorListener(OnErrorListener errorListener) {
        mOnErrorListener = errorListener;
        if (null != errorListener) {
            createListeners();
        }
    }

    /**
     * Retrieves information about all the DRM plug-ins (agents) that are registered with
     * the DRM framework.
     *
     * @return A String array of DRM plug-in descriptions.
     */
    public String[] getAvailableDrmEngines() {
        DrmSupportInfo[] supportInfos = _getAllSupportInfo(mUniqueId);
        ArrayList descriptions = new ArrayList();

        for (int i = 0; i < supportInfos.length; i++) {
            descriptions.add(supportInfos[i].getDescriprition());
        }

        String[] drmEngines = new String[descriptions.size()];
        return descriptions.toArray(drmEngines);
    }

    /**
     * Retrieves information about all the DRM plug-ins (agents) that are
     * registered with the DRM framework.
     *
     * @return List of all the DRM plug-ins (agents) that are registered with
     *         the DRM framework.
     */
    public @NonNull Collection getAvailableDrmSupportInfo() {
        return Arrays.asList(_getAllSupportInfo(mUniqueId));
    }

    /**
     * Retrieves constraint information for rights-protected content.
     *
     * @param path Path to the content from which you are retrieving DRM constraints.
     * @param action Action defined in {@link DrmStore.Action}.
     *
     * @return A {@link android.content.ContentValues} instance that contains
     * key-value pairs representing the constraints. Null in case of failure.
     * The keys are defined in {@link DrmStore.ConstraintsColumns}.
     */
    public ContentValues getConstraints(String path, int action) {
        if (null == path || path.equals("") || !DrmStore.Action.isValid(action)) {
            throw new IllegalArgumentException("Given usage or path is invalid/null");
        }
        return _getConstraints(mUniqueId, path, action);
    }

   /**
    * Retrieves metadata information for rights-protected content.
    *
    * @param path Path to the content from which you are retrieving metadata information.
    *
    * @return A {@link android.content.ContentValues} instance that contains
    * key-value pairs representing the metadata. Null in case of failure.
    */
    public ContentValues getMetadata(String path) {
        if (null == path || path.equals("")) {
            throw new IllegalArgumentException("Given path is invalid/null");
        }
        return _getMetadata(mUniqueId, path);
    }

    /**
     * Retrieves constraint information for rights-protected content.
     *
     * @param uri URI for the content from which you are retrieving DRM constraints.
     * @param action Action defined in {@link DrmStore.Action}.
     *
     * @return A {@link android.content.ContentValues} instance that contains
     * key-value pairs representing the constraints. Null in case of failure.
     */
    public ContentValues getConstraints(Uri uri, int action) {
        if (null == uri || Uri.EMPTY == uri) {
            throw new IllegalArgumentException("Uri should be non null");
        }
        return getConstraints(convertUriToPath(uri), action);
    }

   /**
    * Retrieves metadata information for rights-protected content.
    *
    * @param uri URI for the content from which you are retrieving metadata information.
    *
    * @return A {@link android.content.ContentValues} instance that contains
    * key-value pairs representing the constraints. Null in case of failure.
    */
    public ContentValues getMetadata(Uri uri) {
        if (null == uri || Uri.EMPTY == uri) {
            throw new IllegalArgumentException("Uri should be non null");
        }
        return getMetadata(convertUriToPath(uri));
    }

    /**
     * Saves rights to a specified path and associates that path with the content path.
     * 
     * 

Note: For OMA or WM-DRM, rightsPath and * contentPath can be null.

* * @param drmRights The {@link DrmRights} to be saved. * @param rightsPath File path where rights will be saved. * @param contentPath File path where content is saved. * * @return ERROR_NONE for success; ERROR_UNKNOWN for failure. * * @throws IOException If the call failed to save rights information at the given * rightsPath. */ public int saveRights( DrmRights drmRights, String rightsPath, String contentPath) throws IOException { if (null == drmRights || !drmRights.isValid()) { throw new IllegalArgumentException("Given drmRights or contentPath is not valid"); } if (null != rightsPath && !rightsPath.equals("")) { DrmUtils.writeToFile(rightsPath, drmRights.getData()); } return _saveRights(mUniqueId, drmRights, rightsPath, contentPath); } /** * Installs a new DRM plug-in (agent) at runtime. * * @param engineFilePath File path to the plug-in file to be installed. * * {@hide} */ public void installDrmEngine(String engineFilePath) { if (null == engineFilePath || engineFilePath.equals("")) { throw new IllegalArgumentException( "Given engineFilePath: "+ engineFilePath + "is not valid"); } _installDrmEngine(mUniqueId, engineFilePath); } /** * Checks whether the given MIME type or path can be handled. * * @param path Path of the content to be handled. * @param mimeType MIME type of the object to be handled. * * @return True if the given MIME type or path can be handled; false if they cannot be handled. */ public boolean canHandle(String path, String mimeType) { if ((null == path || path.equals("")) && (null == mimeType || mimeType.equals(""))) { throw new IllegalArgumentException("Path or the mimetype should be non null"); } return _canHandle(mUniqueId, path, mimeType); } /** * Checks whether the given MIME type or URI can be handled. * * @param uri URI for the content to be handled. * @param mimeType MIME type of the object to be handled * * @return True if the given MIME type or URI can be handled; false if they cannot be handled. */ public boolean canHandle(Uri uri, String mimeType) { if ((null == uri || Uri.EMPTY == uri) && (null == mimeType || mimeType.equals(""))) { throw new IllegalArgumentException("Uri or the mimetype should be non null"); } return canHandle(convertUriToPath(uri), mimeType); } /** * Processes the given DRM information based on the information type. * * @param drmInfo The {@link DrmInfo} to be processed. * @return ERROR_NONE for success; ERROR_UNKNOWN for failure. */ public int processDrmInfo(DrmInfo drmInfo) { if (null == drmInfo || !drmInfo.isValid()) { throw new IllegalArgumentException("Given drmInfo is invalid/null"); } int result = ERROR_UNKNOWN; if (null != mEventHandler) { Message msg = mEventHandler.obtainMessage(ACTION_PROCESS_DRM_INFO, drmInfo); result = (mEventHandler.sendMessage(msg)) ? ERROR_NONE : result; } return result; } /** * Retrieves information for registering, unregistering, or acquiring rights. * * @param drmInfoRequest The {@link DrmInfoRequest} that specifies the type of DRM * information being retrieved. * * @return A {@link DrmInfo} instance. */ public DrmInfo acquireDrmInfo(DrmInfoRequest drmInfoRequest) { if (null == drmInfoRequest || !drmInfoRequest.isValid()) { throw new IllegalArgumentException("Given drmInfoRequest is invalid/null"); } return _acquireDrmInfo(mUniqueId, drmInfoRequest); } /** * Processes a given {@link DrmInfoRequest} and returns the rights information asynchronously. *

* This is a utility method that consists of an * {@link #acquireDrmInfo(DrmInfoRequest) acquireDrmInfo()} and a * {@link #processDrmInfo(DrmInfo) processDrmInfo()} method call. This utility method can be * used only if the selected DRM plug-in (agent) supports this sequence of calls. Some DRM * agents, such as OMA, do not support this utility method, in which case an application must * invoke {@link #acquireDrmInfo(DrmInfoRequest) acquireDrmInfo()} and * {@link #processDrmInfo(DrmInfo) processDrmInfo()} separately. * * @param drmInfoRequest The {@link DrmInfoRequest} used to acquire the rights. * @return ERROR_NONE for success; ERROR_UNKNOWN for failure. */ public int acquireRights(DrmInfoRequest drmInfoRequest) { DrmInfo drmInfo = acquireDrmInfo(drmInfoRequest); if (null == drmInfo) { return ERROR_UNKNOWN; } return processDrmInfo(drmInfo); } /** * Retrieves the type of rights-protected object (for example, content object, rights * object, and so on) using the specified path or MIME type. At least one parameter must * be specified to retrieve the DRM object type. * * @param path Path to the content or null. * @param mimeType MIME type of the content or null. * * @return An int that corresponds to a {@link DrmStore.DrmObjectType}. */ public int getDrmObjectType(String path, String mimeType) { if ((null == path || path.equals("")) && (null == mimeType || mimeType.equals(""))) { throw new IllegalArgumentException("Path or the mimetype should be non null"); } return _getDrmObjectType(mUniqueId, path, mimeType); } /** * Retrieves the type of rights-protected object (for example, content object, rights * object, and so on) using the specified URI or MIME type. At least one parameter must * be specified to retrieve the DRM object type. * * @param uri URI for the content or null. * @param mimeType MIME type of the content or null. * * @return An int that corresponds to a {@link DrmStore.DrmObjectType}. */ public int getDrmObjectType(Uri uri, String mimeType) { if ((null == uri || Uri.EMPTY == uri) && (null == mimeType || mimeType.equals(""))) { throw new IllegalArgumentException("Uri or the mimetype should be non null"); } String path = ""; try { path = convertUriToPath(uri); } catch (Exception e) { // Even uri is invalid the mimetype shall be valid, so allow to proceed further. Log.w(TAG, "Given Uri could not be found in media store"); } return getDrmObjectType(path, mimeType); } /** * Retrieves the MIME type embedded in the original content. * * @param path Path to the rights-protected content. * * @return The MIME type of the original content, such as video/mpeg. */ public String getOriginalMimeType(String path) { if (null == path || path.equals("")) { throw new IllegalArgumentException("Given path should be non null"); } String mime = null; FileInputStream is = null; try { FileDescriptor fd = null; File file = new File(path); if (file.exists()) { is = new FileInputStream(file); fd = is.getFD(); } mime = _getOriginalMimeType(mUniqueId, path, fd); } catch (IOException ioe) { } finally { if (is != null) { try { is.close(); } catch(IOException e) {} } } return mime; } /** * Retrieves the MIME type embedded in the original content. * * @param uri URI of the rights-protected content. * * @return MIME type of the original content, such as video/mpeg. */ public String getOriginalMimeType(Uri uri) { if (null == uri || Uri.EMPTY == uri) { throw new IllegalArgumentException("Given uri is not valid"); } return getOriginalMimeType(convertUriToPath(uri)); } /** * Checks whether the given content has valid rights. * * @param path Path to the rights-protected content. * * @return An int representing the {@link DrmStore.RightsStatus} of the content. */ public int checkRightsStatus(String path) { return checkRightsStatus(path, DrmStore.Action.DEFAULT); } /** * Check whether the given content has valid rights. * * @param uri URI of the rights-protected content. * * @return An int representing the {@link DrmStore.RightsStatus} of the content. */ public int checkRightsStatus(Uri uri) { if (null == uri || Uri.EMPTY == uri) { throw new IllegalArgumentException("Given uri is not valid"); } return checkRightsStatus(convertUriToPath(uri)); } /** * Checks whether the given rights-protected content has valid rights for the specified * {@link DrmStore.Action}. * * @param path Path to the rights-protected content. * @param action The {@link DrmStore.Action} to perform. * * @return An int representing the {@link DrmStore.RightsStatus} of the content. */ public int checkRightsStatus(String path, int action) { if (null == path || path.equals("") || !DrmStore.Action.isValid(action)) { throw new IllegalArgumentException("Given path or action is not valid"); } return _checkRightsStatus(mUniqueId, path, action); } /** * Checks whether the given rights-protected content has valid rights for the specified * {@link DrmStore.Action}. * * @param uri URI for the rights-protected content. * @param action The {@link DrmStore.Action} to perform. * * @return An int representing the {@link DrmStore.RightsStatus} of the content. */ public int checkRightsStatus(Uri uri, int action) { if (null == uri || Uri.EMPTY == uri) { throw new IllegalArgumentException("Given uri is not valid"); } return checkRightsStatus(convertUriToPath(uri), action); } /** * Removes the rights associated with the given rights-protected content. * * @param path Path to the rights-protected content. * * @return ERROR_NONE for success; ERROR_UNKNOWN for failure. */ public int removeRights(String path) { if (null == path || path.equals("")) { throw new IllegalArgumentException("Given path should be non null"); } return _removeRights(mUniqueId, path); } /** * Removes the rights associated with the given rights-protected content. * * @param uri URI for the rights-protected content. * * @return ERROR_NONE for success; ERROR_UNKNOWN for failure. */ public int removeRights(Uri uri) { if (null == uri || Uri.EMPTY == uri) { throw new IllegalArgumentException("Given uri is not valid"); } return removeRights(convertUriToPath(uri)); } /** * Removes all the rights information of every DRM plug-in (agent) associated with * the DRM framework. * * @return ERROR_NONE for success; ERROR_UNKNOWN for failure. */ public int removeAllRights() { int result = ERROR_UNKNOWN; if (null != mEventHandler) { Message msg = mEventHandler.obtainMessage(ACTION_REMOVE_ALL_RIGHTS); result = (mEventHandler.sendMessage(msg)) ? ERROR_NONE : result; } return result; } /** * Initiates a new conversion session. An application must initiate a conversion session * with this method each time it downloads a rights-protected file that needs to be converted. *

* This method applies only to forward-locking (copy protection) DRM schemes. * * @param mimeType MIME type of the input data packet. * * @return A convert ID that is used used to maintain the conversion session. */ public int openConvertSession(String mimeType) { if (null == mimeType || mimeType.equals("")) { throw new IllegalArgumentException("Path or the mimeType should be non null"); } return _openConvertSession(mUniqueId, mimeType); } /** * Converts the input data (content) that is part of a rights-protected file. The converted * data and status is returned in a {@link DrmConvertedStatus} object. This method should be * called each time there is a new block of data received by the application. * * @param convertId Handle for the conversion session. * @param inputData Input data that needs to be converted. * * @return A {@link DrmConvertedStatus} object that contains the status of the data conversion, * the converted data, and offset for the header and body signature. An application can * ignore the offset because it is only relevant to the * {@link #closeConvertSession closeConvertSession()} method. */ public DrmConvertedStatus convertData(int convertId, byte[] inputData) { if (null == inputData || 0 >= inputData.length) { throw new IllegalArgumentException("Given inputData should be non null"); } return _convertData(mUniqueId, convertId, inputData); } /** * Informs the DRM plug-in (agent) that there is no more data to convert or that an error * has occurred. Upon successful conversion of the data, the DRM agent will provide an offset * value indicating where the header and body signature should be added. Appending the * signature is necessary to protect the integrity of the converted file. * * @param convertId Handle for the conversion session. * * @return A {@link DrmConvertedStatus} object that contains the status of the data conversion, * the converted data, and the offset for the header and body signature. */ public DrmConvertedStatus closeConvertSession(int convertId) { return _closeConvertSession(mUniqueId, convertId); } private int getEventType(int infoType) { int eventType = -1; switch (infoType) { case DrmInfoRequest.TYPE_REGISTRATION_INFO: case DrmInfoRequest.TYPE_UNREGISTRATION_INFO: case DrmInfoRequest.TYPE_RIGHTS_ACQUISITION_INFO: eventType = DrmEvent.TYPE_DRM_INFO_PROCESSED; break; } return eventType; } private int getErrorType(int infoType) { int error = -1; switch (infoType) { case DrmInfoRequest.TYPE_REGISTRATION_INFO: case DrmInfoRequest.TYPE_UNREGISTRATION_INFO: case DrmInfoRequest.TYPE_RIGHTS_ACQUISITION_INFO: error = DrmErrorEvent.TYPE_PROCESS_DRM_INFO_FAILED; break; } return error; } /** * This method expects uri in the following format * content://media// (or) * file://sdcard/test.mp4 * http://test.com/test.mp4 * https://test.com/test.mp4 * * Here shall be "video" or "audio" or "images" * the index of the content in given table */ private String convertUriToPath(Uri uri) { String path = null; if (null != uri) { String scheme = uri.getScheme(); if (null == scheme || scheme.equals("") || scheme.equals(ContentResolver.SCHEME_FILE)) { path = uri.getPath(); } else if (scheme.equals("http") || scheme.equals("https")) { path = uri.toString(); } else if (scheme.equals(ContentResolver.SCHEME_CONTENT)) { String[] projection = new String[] {MediaStore.MediaColumns.DATA}; Cursor cursor = null; try { cursor = mContext.getContentResolver().query(uri, projection, null, null, null); if (null == cursor || 0 == cursor.getCount() || !cursor.moveToFirst()) { throw new IllegalArgumentException("Given Uri could not be found" + " in media store"); } int pathIndex = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DATA); path = cursor.getString(pathIndex); } catch (SQLiteException e) { throw new IllegalArgumentException("Given Uri is not formatted in a way " + "so that it can be found in media store."); } finally { if (null != cursor) { cursor.close(); } } } else { throw new IllegalArgumentException("Given Uri scheme is not supported"); } } return path; } // private native interfaces private native int _initialize(); private native void _setListeners(int uniqueId, Object weak_this); private native void _release(int uniqueId); private native void _installDrmEngine(int uniqueId, String engineFilepath); private native ContentValues _getConstraints(int uniqueId, String path, int usage); private native ContentValues _getMetadata(int uniqueId, String path); private native boolean _canHandle(int uniqueId, String path, String mimeType); private native DrmInfoStatus _processDrmInfo(int uniqueId, DrmInfo drmInfo); private native DrmInfo _acquireDrmInfo(int uniqueId, DrmInfoRequest drmInfoRequest); private native int _saveRights( int uniqueId, DrmRights drmRights, String rightsPath, String contentPath); private native int _getDrmObjectType(int uniqueId, String path, String mimeType); private native String _getOriginalMimeType(int uniqueId, String path, FileDescriptor fd); private native int _checkRightsStatus(int uniqueId, String path, int action); private native int _removeRights(int uniqueId, String path); private native int _removeAllRights(int uniqueId); private native int _openConvertSession(int uniqueId, String mimeType); private native DrmConvertedStatus _convertData( int uniqueId, int convertId, byte[] inputData); private native DrmConvertedStatus _closeConvertSession(int uniqueId, int convertId); private native DrmSupportInfo[] _getAllSupportInfo(int uniqueId); private void createEventThreads() { if (mEventHandler == null && mInfoHandler == null) { mInfoThread = new HandlerThread("DrmManagerClient.InfoHandler"); mInfoThread.start(); mInfoHandler = new InfoHandler(mInfoThread.getLooper()); mEventThread = new HandlerThread("DrmManagerClient.EventHandler"); mEventThread.start(); mEventHandler = new EventHandler(mEventThread.getLooper()); } } private void createListeners() { _setListeners(mUniqueId, new WeakReference(this)); } }





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