Share local files - part 2 (#693)

* Local media files (image, audio, video) can now be shared with Kore. Added token to HttpApp to improve security.

* Added 'Queue on Kodi' share option. 'Play on Kodi' skips the playlist while 'Queue on Kodi' puts the media link at the end of the playlist

app/src/main/AndroidManifest.xml

@@ -29,6 +29,14 @@
                 <category android:name="android.intent.category.MULTIWINDOW_LAUNCHER" />
             </intent-filter>
 
+            <intent-filter android:label="@string/play_on_kodi">
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="image/*" />
+                <data android:mimeType="video/*" />
+                <data android:mimeType="audio/*" />
+            </intent-filter>
+
             <!-- Intent filter for sharing from youtube player -->
             <intent-filter android:label="@string/play_on_kodi">
                 <action android:name="android.intent.action.SEND" />
@@ -58,6 +66,43 @@
                 android:value=".service.HostChooserTargetService" />
         </activity>
 
+        <activity android:name=".ui.sections.remote.QueueActivity">
+
+            <intent-filter android:label="@string/queue_on_kodi">
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="image/*" />
+                <data android:mimeType="video/*" />
+                <data android:mimeType="audio/*" />
+            </intent-filter>
+
+            <!-- Intent filter for sharing from youtube player -->
+            <intent-filter android:label="@string/queue_on_kodi">
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="text/plain"/>
+            </intent-filter>
+
+            <!-- Intent filter for sharing youtube URLs -->
+            <intent-filter android:label="@string/queue_on_kodi">
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="http" />
+                <data android:scheme="https" />
+                <data android:host="youtube.com"/>
+                <data android:host="m.youtube.com"/>
+                <data android:host="www.youtube.com"/>
+                <data android:host="vimeo.com"/>
+                <data android:host="www.vimeo.com"/>
+                <data android:host="player.vimeo.com"/>
+                <data android:host="www.svtplay.se"/>
+                <data android:host="soundcloud.com"/>
+                <data android:host="m.soundcloud.com"/>
+            </intent-filter>
+
+        </activity>
+
         <activity android:name="org.xbmc.kore.ui.sections.hosts.HostManagerActivity"/>
         <activity android:name="org.xbmc.kore.ui.sections.hosts.AddHostActivity"/>
         <activity android:name="org.xbmc.kore.ui.sections.hosts.EditHostActivity"/>

app/src/main/java/org/xbmc/kore/ui/sections/localfile/HttpApp.java

@@ -2,7 +2,11 @@ package org.xbmc.kore.ui.sections.localfile;
 
 
 import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
 import android.net.wifi.WifiManager;
+import android.provider.OpenableColumns;
+import android.webkit.MimeTypeMap;
 
 import org.xbmc.kore.utils.LogUtils;
 
@@ -12,6 +16,7 @@ import java.io.IOException;
 import java.math.BigInteger;
 import java.net.InetAddress;
 import java.net.UnknownHostException;
+import java.security.SecureRandom;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
@@ -27,36 +32,78 @@ public class HttpApp extends NanoHTTPD {
         super(port);
         this.applicationContext = applicationContext;
         this.localFileLocationList = new LinkedList<>();
+        this.localUriList = new LinkedList<>();
+        this.token = generateToken();
         start(NanoHTTPD.SOCKET_READ_TIMEOUT, false);
     }
 
+    private final int TOKEN_LENGTH = 12;
+
+    private String generateToken() {
+        String token = "";
+
+        SecureRandom sr = new SecureRandom();
+
+        for (int i = 0; i < TOKEN_LENGTH; i++) {
+            int n = sr.nextInt(26*2 + 10);
+            if (n < 26) {
+                n += 'A';
+            } else if (n < 26*2) {
+                n += 'a' - 26;
+            } else {
+                n += '0' - 26*2;
+            }
+            token += Character.toString((char) n);
+        }
+
+        return token;
+    }
+
     private Context applicationContext;
     private LinkedList<LocalFileLocation> localFileLocationList = null;
+    private LinkedList<Uri> localUriList = null;
     private int currentIndex;
+    private boolean currentIsFile;
+    private String token;
+
+    private final Response forbidden = newFixedLengthResponse(Response.Status.FORBIDDEN, "", "");
 
     @Override
     public Response serve(IHTTPSession session) {
 
         Map<String, List<String>> params = session.getParameters();
         if (localFileLocationList == null) {
-            return newFixedLengthResponse(Response.Status.FORBIDDEN, "", "");
+            return forbidden;
         }
 
-        if (!params.containsKey("number")) {
-            return null;
+        if (!params.containsKey("token")) {
+            return forbidden;
+        }
+        if (!params.get("token").get(0).equals(this.token)) {
+            return forbidden;
         }
-
-        int file_number = Integer.parseInt(params.get("number").get(0));
 
         FileInputStream fis = null;
-        LocalFileLocation localFileLocation = localFileLocationList.get(file_number);
+        String mimeType = null;
         try {
-            fis = new FileInputStream(localFileLocation.fullPath);
+            if (params.containsKey("number")) {
+                int file_number = Integer.parseInt(params.get("number").get(0));
+
+                LocalFileLocation localFileLocation = localFileLocationList.get(file_number);
+                fis = new FileInputStream(localFileLocation.fullPath);
+                mimeType = localFileLocation.getMimeType();
+            } else if (params.containsKey("uri")) {
+                int uri_number = Integer.parseInt(params.get("uri").get(0));
+
+                fis = (FileInputStream) applicationContext.getContentResolver().openInputStream(localUriList.get(uri_number));
+            } else {
+                return forbidden;
+            }
         } catch (FileNotFoundException e) {
             LogUtils.LOGW(LogUtils.makeLogTag(HttpApp.class), e.toString());
-            return newFixedLengthResponse(Response.Status.FORBIDDEN, "", "");
+            return forbidden;
         }
-        String mimeType = localFileLocation.getMimeType();
+
         return newChunkedResponse(Response.Status.OK, mimeType, fis);
     }
 
@@ -68,6 +115,17 @@ public class HttpApp extends NanoHTTPD {
             this.localFileLocationList.add(localFileLocation);
             currentIndex = localFileLocationList.size() - 1;
         }
+        currentIsFile = true;
+    }
+
+    public void addUri(Uri uri) {
+        if (localUriList.contains(uri)) {
+            currentIndex = localUriList.indexOf(uri);
+        } else {
+            this.localUriList.add(uri);
+            currentIndex = localUriList.size() - 1;
+        }
+        currentIsFile = false;
     }
 
     private String getIpAddress() throws UnknownHostException {
@@ -100,7 +158,44 @@ public class HttpApp extends NanoHTTPD {
         } catch (IOException ioe) {
             LogUtils.LOGE(LogUtils.makeLogTag(HttpApp.class), ioe.getMessage());
         }
-        return "http://" + ip + ":" + getListeningPort() + "/" + localFileLocationList.get(currentIndex).fileName + "?number=" + currentIndex;
+        String path = null;
+        if (currentIsFile) {
+            path = localFileLocationList.get(currentIndex).fileName + "?number=" + currentIndex;
+        } else {
+            Uri uri = localUriList.get(currentIndex);
+            String filename = getFileNameFromUri(uri);
+            path = filename + "?uri=" + currentIndex;
+        }
+        return "http://" + ip + ":" + getListeningPort() + "/" + path + "&token=" + token;
+    }
+
+    private String getFileNameFromUri(Uri contentUri) {
+        String fileName = "";
+        // Let's parse the Uri to detect the filename:
+        if (contentUri.toString().startsWith("content://")) {
+            Cursor cursor = null;
+            try {
+                cursor = applicationContext.getContentResolver().query(contentUri, null, null, null, null);
+                if (cursor != null && cursor.moveToFirst()) {
+                    fileName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
+                }
+            } finally {
+                cursor.close();
+            }
+        }
+
+        // If the mimeType determined by Andoid is not equal to the one determined by
+        // the filename, add an extra extension to make sure Kodi recognizes the file type:
+        String mimeType = applicationContext.getContentResolver().getType(contentUri);
+        MimeTypeMap mimeTypeMap = MimeTypeMap.getSingleton();
+        String extensionFromFilename = mimeTypeMap.getMimeTypeFromExtension(
+                MimeTypeMap.getFileExtensionFromUrl(fileName));
+        if (
+                (extensionFromFilename == null) || (!extensionFromFilename.equals(mimeType))
+        ) {
+            fileName += "." + MimeTypeMap.getSingleton().getExtensionFromMimeType(mimeType);
+        }
+        return fileName;
     }
 
     private static HttpApp http_app = null;

app/src/main/java/org/xbmc/kore/ui/sections/remote/OpenSharedUrl.java

@@ -39,22 +39,26 @@ public class OpenSharedUrl implements Callable<Boolean> {
 
     private static final String TAG = LogUtils.makeLogTag(OpenSharedUrl.class);
     private final HostConnection hostConnection;
-    private final String pluginUrl;
+    private final String url;
     private final String notificationTitle;
     private final String notificationText;
+    private boolean queue;
+    private int playlistType;
 
     /**
-     * @param pluginUrl The url to play
+     * @param url The url to play
      * @param notificationTitle The title of the notification to be shown when the
      *                          host is currently playing a video
      * @param notificationText The notification to be shown when the host is currently
      *                         playing a video
      */
-    public OpenSharedUrl(HostConnection hostConnection, String pluginUrl, String notificationTitle, String notificationText) {
+    public OpenSharedUrl(HostConnection hostConnection, String url, String notificationTitle, String notificationText, boolean queue, int playlistType) {
         this.hostConnection = hostConnection;
-        this.pluginUrl = pluginUrl;
+        this.url = url;
         this.notificationTitle = notificationTitle;
         this.notificationText = notificationText;
+        this.queue = queue;
+        this.playlistType = playlistType;
     }
 
     /**
@@ -71,37 +75,46 @@ public class OpenSharedUrl implements Callable<Boolean> {
             List<PlayerType.GetActivePlayersReturnType> players =
                     hostConnection.execute(new Player.GetActivePlayers())
                         .get();
-            boolean videoIsPlaying = false;
+            boolean mediaIsPlaying = false;
             for (PlayerType.GetActivePlayersReturnType player : players) {
                 if (player.type.equals(PlayerType.GetActivePlayersReturnType.VIDEO)) {
-                    videoIsPlaying = true;
+                    mediaIsPlaying = true;
                     break;
                 }
             }
 
             stage = R.string.error_queue_media_file;
-            if (!videoIsPlaying) {
-                LogUtils.LOGD(TAG, "Clearing video playlist");
-                hostConnection.execute(new Playlist.Clear(PlaylistType.VIDEO_PLAYLISTID))
+            if (!mediaIsPlaying) {
+                LogUtils.LOGD(TAG, "Clearing playlist number " + playlistType);
+                hostConnection.execute(new Playlist.Clear(playlistType))
                     .get();
             }
 
-            LogUtils.LOGD(TAG, "Queueing file");
-            PlaylistType.Item item = new PlaylistType.Item();
-            item.file = pluginUrl;
-            hostConnection.execute(new Playlist.Add(PlaylistType.VIDEO_PLAYLISTID, item))
-                .get();
+            if (queue) {
+                // Queue media file to playlist:
 
-            if (!videoIsPlaying) {
-                stage = R.string.error_play_media_file;
-                hostConnection.execute(new Player.Open(Player.Open.TYPE_PLAYLIST, PlaylistType.VIDEO_PLAYLISTID))
-                    .get();
+                LogUtils.LOGD(TAG, "Queueing file");
+                PlaylistType.Item item = new PlaylistType.Item();
+                item.file = url;
+                hostConnection.execute(new Playlist.Add(playlistType, item))
+                        .get();
+
+                if (!mediaIsPlaying) {
+                    stage = R.string.error_play_media_file;
+                    hostConnection.execute(new Player.Open(Player.Open.TYPE_PLAYLIST, playlistType))
+                            .get();
+                } else {
+                    // no get() to ignore the exception that will be thrown by OkHttp
+                    hostConnection.execute(new Player.Notification(notificationTitle, notificationText));
+                }
             } else {
-                // no get() to ignore the exception that will be thrown by OkHttp
-                hostConnection.execute(new Player.Notification(notificationTitle, notificationText));
+                // Don't queue, just play the media file directly:
+                PlaylistType.Item item = new PlaylistType.Item();
+                item.file = url;
+                hostConnection.execute(new Player.Open(item));
             }
 
-            return videoIsPlaying;
+            return mediaIsPlaying;
         } catch (ExecutionException e) {
             throw new Error(stage, e.getCause());
         } catch (RuntimeException e) {

app/src/main/java/org/xbmc/kore/ui/sections/remote/QueueActivity.java

@@ -0,0 +1,12 @@
+package org.xbmc.kore.ui.sections.remote;
+
+import android.content.Intent;
+
+public class QueueActivity extends RemoteActivity {
+
+    @Override
+    protected void handleStartIntent(Intent intent) {
+        handleStartIntent(intent, true);
+    }
+
+}

app/src/main/java/org/xbmc/kore/ui/sections/remote/RemoteActivity.java

@@ -49,18 +49,21 @@ import org.xbmc.kore.jsonrpc.method.System;
 import org.xbmc.kore.jsonrpc.method.VideoLibrary;
 import org.xbmc.kore.jsonrpc.type.ListType;
 import org.xbmc.kore.jsonrpc.type.PlayerType;
+import org.xbmc.kore.jsonrpc.type.PlaylistType;
 import org.xbmc.kore.service.ConnectionObserversManagerService;
 import org.xbmc.kore.ui.BaseActivity;
 import org.xbmc.kore.ui.generic.NavigationDrawerFragment;
 import org.xbmc.kore.ui.generic.SendTextDialogFragment;
 import org.xbmc.kore.ui.generic.VolumeControllerDialogFragmentListener;
 import org.xbmc.kore.ui.sections.hosts.AddHostActivity;
+import org.xbmc.kore.ui.sections.localfile.HttpApp;
 import org.xbmc.kore.ui.views.CirclePageIndicator;
 import org.xbmc.kore.utils.LogUtils;
 import org.xbmc.kore.utils.TabsAdapter;
 import org.xbmc.kore.utils.UIUtils;
 import org.xbmc.kore.utils.Utils;
 
+import java.io.IOException;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLEncoder;
@@ -362,9 +365,13 @@ public class RemoteActivity extends BaseActivity
      * Handles the intent that started this activity, namely to start playing something on Kodi
      * @param intent Start intent for the activity
      */
-    private void handleStartIntent(Intent intent) {
+    protected void handleStartIntent(Intent intent) {
+        handleStartIntent(intent, false);
+    }
+
+    protected void handleStartIntent(Intent intent, boolean queue) {
         if (pendingShare != null) {
-            awaitShare();
+            awaitShare(queue);
             return;
         }
 
@@ -381,11 +388,16 @@ public class RemoteActivity extends BaseActivity
         } else {
             videoUri = intent.getData();
         }
-        if (videoUri == null) return;
 
-        String videoUrl = toPluginUrl(videoUri);
-        if (videoUrl == null) {
-            videoUrl = videoUri.toString();
+        String url;
+        if (videoUri == null) {
+            url = getShareLocalUri(intent);
+        } else {
+            url = toPluginUrl(videoUri);
+        }
+
+        if (url == null) {
+            url = videoUri.toString();
         }
 
         // If a host was passed from the intent use it
@@ -400,11 +412,60 @@ public class RemoteActivity extends BaseActivity
             }
         }
 
+        // Determine which playlist to use
+        String intentType = intent.getType();
+        int playlistType;
+        if (intentType == null) {
+            playlistType = PlaylistType.VIDEO_PLAYLISTID;
+        } else {
+            if (intentType.matches("audio.*")) {
+                playlistType = PlaylistType.MUSIC_PLAYLISTID;
+            } else if (intentType.matches("video.*")) {
+                playlistType = PlaylistType.VIDEO_PLAYLISTID;
+            } else if (intentType.matches("image.*")) {
+                playlistType = PlaylistType.PICTURE_PLAYLISTID;
+            } else {
+                // Generic links? Default to video:
+                playlistType = PlaylistType.VIDEO_PLAYLISTID;
+            }
+        }
+
         String title = getString(R.string.app_name);
         String text = getString(R.string.item_added_to_playlist);
-        pendingShare = getShareExecutor().submit(new OpenSharedUrl(hostManager.getConnection(), videoUrl, title, text));
-        awaitShare();
+        pendingShare = getShareExecutor().submit(
+                new OpenSharedUrl(hostManager.getConnection(), url, title, text, queue, playlistType));
+
+        awaitShare(queue);
         intent.setAction(null);
+
+        // Don't display Kore after sharing content from another app:
+        finish();
+    }
+
+    private String getShareLocalUri(Intent intent) {
+        Uri contentUri = intent.getData();
+
+        if (contentUri == null) {
+            Bundle bundle = intent.getExtras();
+            contentUri = (Uri) bundle.get(Intent.EXTRA_STREAM);
+        }
+        if (contentUri == null) {
+            return null;
+        }
+
+        HttpApp http_app = null;
+        try {
+            http_app = HttpApp.getInstance(getApplicationContext(), 8080);
+        } catch (IOException ioe) {
+            Toast.makeText(getApplicationContext(),
+                    getString(R.string.error_starting_http_server),
+                    Toast.LENGTH_LONG).show();
+            return null;
+        }
+        http_app.addUri(contentUri);
+        String url = http_app.getLinkToFile();
+
+        return url;
     }
 
     /**
@@ -417,7 +478,7 @@ public class RemoteActivity extends BaseActivity
      * paused (it will drop itself when cancelled or finished). This should be called
      * again when the activity is resumed and a {@link #pendingShare} exists.
      */
-    private void awaitShare() {
+    private void awaitShare(final boolean queue) {
         awaitingShare = getShareExecutor().submit(new Callable<Void>() {
             @Override
             public Void call() throws Exception {
@@ -428,8 +489,14 @@ public class RemoteActivity extends BaseActivity
                         @Override
                         public void run() {
                             if (wasAlreadyPlaying) {
+                                String msg;
+                                if (queue) {
+                                    msg = getString(R.string.item_added_to_playlist);
+                                } else {
+                                    msg = getString(R.string.item_sent_to_kodi);
+                                }
                                 Toast.makeText(RemoteActivity.this,
-                                    getString(R.string.item_added_to_playlist),
+                                    msg,
                                     Toast.LENGTH_SHORT)
                                     .show();
                             }

app/src/main/res/values/strings.xml

@@ -282,6 +282,7 @@
 
     <string name="add_to_playlist">Add to playlist</string>
     <string name="item_added_to_playlist">Added to playlist</string>
+    <string name="item_sent_to_kodi">Sent to Kodi</string>
     <string name="no_suitable_playlist">No suitable playlist found to add media type.</string>
 
     <string name="imdb">IMDb</string>
@@ -389,6 +390,7 @@
     <!--<string name="purchase_thanks">Thanks for your support!</string>-->
 
     <string name="play_on_kodi">Play on Kodi</string>
+    <string name="queue_on_kodi">Queue on Kodi</string>
     <string name="pause_call_incoming_title">Incoming call</string>
     <string name="pause_call_incoming_message">Check your phone, someone is calling you</string>