src/com/joshuawise/dumload/Uploader.java

   1 package com.joshuawise.dumload;
   2
   3 import java.io.InputStream;
   4 import java.io.OutputStream;
   5
   6 import android.app.Notification;
   7 import android.app.NotificationManager;
   8 import android.app.PendingIntent;
   9 import android.app.Service;
  10 import android.content.Context;
  11 import android.content.Intent;
  12 import android.content.SharedPreferences;
  13 import android.net.Uri;
  14 import android.os.Bundle;
  15 import android.os.Handler;
  16 import android.os.IBinder;
  17 import android.os.Looper;
  18 import android.os.Message;
  19 import android.os.Messenger;
  20 import android.os.SystemClock;
  21 import android.preference.PreferenceManager;
  22 import android.util.Log;
  23 import android.widget.RemoteViews;
  24 import android.widget.Toast;
  25
  26 import com.jcraft.jsch.Channel;
  27 import com.jcraft.jsch.ChannelExec;
  28 import com.jcraft.jsch.JSch;
  29 import com.jcraft.jsch.Session;
  30 import com.jcraft.jsch.UIKeyboardInteractive;
  31 import com.jcraft.jsch.UserInfo;
  32
  33 public class Uploader extends Service implements Runnable, UserInfo, UIKeyboardInteractive {
  34         private Uri uri;
  35         private String homedir;
  36         private Thread me;
  37         private static final int HELPME_ID = 1;
  38         private RemoteViews remote;
  39         private int thenotifid;
  40         private Notification thenotif;
  41         private String headline;
  42         private String dest;
  43
  44         private InputStream is;
  45
  46         public Object _theObject;
  47
  48         private void sayNullNotification(final String scroller, final String headline, final String description)
  49         {
  50                 int bogon = (int)SystemClock.elapsedRealtime();
  51                 NotificationManager mNotificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
  52                 Notification notification = new Notification(R.drawable.icon, scroller, System.currentTimeMillis());
  53
  54                 Intent intent = new Intent(this, NotifSlave.class);
  55
  56                 intent.setAction("com.joshuawise.dumload.NotifSlave");
  57                 /* no extras to make the notifslave die */
  58                 intent.setData((Uri.parse("suckit://"+SystemClock.elapsedRealtime())));
  59
  60                 PendingIntent contentIntent = PendingIntent.getActivity(this, 0, intent, 0);
  61                 notification.defaults |= Notification.DEFAULT_VIBRATE;
  62                 notification.flags |= Notification.FLAG_AUTO_CANCEL;
  63                 notification.setLatestEventInfo(getApplicationContext(), headline, description, contentIntent);
  64
  65                 mNotificationManager.notify(bogon, notification);
  66         }
  67
  68         private Object /* pick one type, and fixate on it */ dance(final String type, final String text)        /* for inside the thread */
  69         {
  70                 final Uploader thisupl = this;
  71                 final Message msg = Message.obtain();
  72
  73                 /* t(*A*t) */
  74                 Thread t = new Thread() {
  75                         public void run() {
  76                                 Looper.prepare();
  77                                 int bogon = (int)SystemClock.elapsedRealtime();
  78
  79                                 NotificationManager mNotificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
  80                                 Notification notification = new Notification(R.drawable.icon, "Dumload prompt", System.currentTimeMillis());
  81
  82                                 Handler h = new Handler() {
  83                                         public void handleMessage(Message M) {
  84                                                 msg.copyFrom(M);
  85                                                 Looper.myLooper().quit();
  86                                         }
  87                                 };
  88                                 Messenger m = new Messenger(h);
  89
  90                                 Intent intent = new Intent(thisupl, NotifSlave.class);
  91
  92                                 intent.setAction("com.joshuawise.dumload.NotifSlave");
  93                                 intent.putExtra("com.joshuawise.dumload.returnmessenger", m);
  94                                 intent.putExtra("com.joshuawise.dumload.reqtype", type);
  95                                 intent.putExtra("com.joshuawise.dumload.prompt", text);
  96                                 intent.setData((Uri.parse("suckit://"+SystemClock.elapsedRealtime())));
  97
  98                                 PendingIntent contentIntent = PendingIntent.getActivity(thisupl, 0, intent, 0);
  99                                 notification.defaults |= Notification.DEFAULT_VIBRATE;
 100                                 notification.flags |= Notification.FLAG_ONGOING_EVENT | Notification.FLAG_NO_CLEAR;
 101                                 notification.setLatestEventInfo(getApplicationContext(), "I've been had!", "Dumload needs your input.", contentIntent);
 102
 103                                 Log.e("Dumload.Uploader[thread]", "Notifying...");
 104
 105                                 mNotificationManager.notify(bogon, notification);
 106
 107                                 Log.e("Dumload.Uploader[thread]", "About to go to 'sleep'...");
 108                                 Looper.loop();
 109                                 Log.e("Dumload.Uploader[thread]", "And we're alive!");
 110
 111                                 Log.e("Dumload.Uploader[thread]", "result was: "+(Integer.toString(msg.arg1)));
 112
 113                                 mNotificationManager.cancel(bogon);
 114                         }
 115                 };
 116
 117                 t.start();
 118                 try {
 119                         t.join();
 120                 } catch (Exception e) {
 121                         return null;
 122                 }
 123
 124                 if (type.equals("yesno"))
 125                         return new Boolean(msg.arg1 == 1);
 126                 else if (type.equals("message"))
 127                         return null;
 128                 else if (type.equals("password")) {
 129                         if (msg.arg1 == 0)
 130                                 return null;
 131                         Bundle b = msg.getData();
 132                         return b.getString("response");
 133                 } else
 134                         return null;
 135         }
 136
 137         /* UserInfo bits */
 138         String _password = null;
 139         public String getPassword()
 140         {
 141                 return _password;
 142         }
 143         public boolean promptPassword(String message)
 144         {
 145                 _password = (String)dance("password", message);
 146                 return (_password != null);
 147         }
 148
 149         String _passphrase = null;
 150         public String getPassphrase()
 151         {
 152                 return _passphrase;
 153         }
 154         public boolean promptPassphrase(String message)
 155         {
 156                 _passphrase = (String)dance("password", message);
 157                 return (_passphrase != null);
 158         }
 159
 160         public boolean promptYesNo(String str)
 161         {
 162                 return ((Boolean)dance("yesno", str)).booleanValue();
 163         }
 164
 165         public void showMessage(String str)
 166         {
 167                 dance("message", str);
 168         }
 169
 170         public String[] promptKeyboardInteractive(String dest, String name, String instr, String[] prompt, boolean[] echo)
 171         {
 172                 int i;
 173                 String [] responses = new String[prompt.length];
 174
 175                 Log.e("Dumload.Uploader", "dest: "+dest);
 176                 Log.e("Dumload.Uploader", "name: "+name);
 177                 Log.e("Dumload.Uploader", "instr: "+instr);
 178                 for (i = 0; i < prompt.length; i++)
 179                 {
 180                         responses[i] = (String) dance("password", "[" + dest + "]\n" + prompt[i]);
 181                         if (responses[i] == null)
 182                                 return null;
 183                 }
 184                 return responses;
 185         }
 186
 187         private void expect_ack(InputStream in) throws Exception, java.io.IOException
 188         {
 189                 int b = in.read();
 190
 191                 if (b == -1)
 192                 {
 193                         throw new Exception("unexpected EOF from remote end");
 194                 }
 195
 196                 if (b == 1 /* error */ || b == 2 /* fatal error */)
 197                 {
 198                         StringBuffer sb = new StringBuffer();
 199                         int c = 0;
 200
 201                         while ((c = in.read()) != '\n')
 202                                 sb.append((char)c);
 203
 204                         throw new Exception("error from remote end: " + sb.toString());
 205                 }
 206         }
 207
 208         private void set_up_notif(final String _headline)
 209         {
 210                 NotificationManager mNotificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
 211                 thenotif = new Notification(R.drawable.icon, headline, System.currentTimeMillis());
 212                 thenotifid = (int)SystemClock.elapsedRealtime();
 213
 214                 Intent intent = new Intent(this, NotifSlave.class);
 215
 216                 headline = _headline;
 217
 218                 intent.setAction("com.joshuawise.dumload.NotifSlave");
 219                 /* no extras to make the notifslave die */
 220                 intent.setData((Uri.parse("suckit://"+SystemClock.elapsedRealtime())));
 221
 222                 PendingIntent contentIntent = PendingIntent.getActivity(this, 0, intent, 0);
 223                 thenotif.defaults |= 0;
 224                 thenotif.flags |= Notification.FLAG_ONGOING_EVENT | Notification.FLAG_NO_CLEAR;
 225
 226                 remote = new RemoteViews(getPackageName(), R.layout.textnotif);
 227                 remote.setImageViewResource(R.id.image, R.drawable.icon);
 228                 remote.setTextViewText(R.id.headline, headline);
 229                 remote.setTextViewText(R.id.status, "Beginning upload...");
 230                 thenotif.contentView = remote;
 231                 thenotif.contentIntent = contentIntent;
 232
 233                 mNotificationManager.notify(thenotifid, thenotif);
 234         }
 235
 236         private void destroy_notif()
 237         {
 238                 NotificationManager mNotificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
 239                 mNotificationManager.cancel(thenotifid);
 240         }
 241
 242         private void update_notif(String text)
 243         {
 244                 NotificationManager mNotificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
 245
 246                 remote = new RemoteViews(getPackageName(), R.layout.textnotif);
 247                 remote.setImageViewResource(R.id.image, R.drawable.icon);
 248                 remote.setTextViewText(R.id.headline, headline);
 249                 remote.setTextViewText(R.id.status, text);
 250                 thenotif.contentView = remote;
 251
 252                 mNotificationManager.notify(thenotifid, thenotif);
 253         }
 254
 255         private void update_notif(int n, int total)
 256         {
 257                 NotificationManager mNotificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
 258
 259                 remote = new RemoteViews(getPackageName(), R.layout.progressnotif);
 260                 remote.setImageViewResource(R.id.image, R.drawable.icon);
 261                 remote.setTextViewText(R.id.headline, headline);
 262                 remote.setProgressBar(R.id.status, total, n, false);
 263                 thenotif.contentView = remote;
 264
 265                 mNotificationManager.notify(thenotifid, thenotif);
 266         }
 267
 268         public void run()
 269         {
 270                 Looper.prepare();
 271
 272                 Log.e("Dumload.Uploader[thread]", "This brought to you from the new thread.");
 273
 274                 set_up_notif("Dumload upload: " + dest);
 275
 276                 try {
 277                         say("Uploading "+(Integer.toString(is.available()))+" bytes");
 278
 279                         update_notif("Connecting...");
 280
 281                         JSch jsch = new JSch();
 282                         jsch.setKnownHosts(homedir + "/known_hosts");
 283                         try {
 284                                 jsch.addIdentity(homedir + "/id_dsa");
 285                         } catch (java.lang.Exception e) {
 286                         }
 287                         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 288                         String server = prefs.getString("server", "").trim();
 289                         String userName = prefs.getString("userName", "").trim();
 290                         Integer port = prefs.getInt("serverPort", 22);
 291                         Log.d("dbg", userName + "@" + server + ":" + port);
 292                         Session s = jsch.getSession(userName, server, port);
 293                         s.setUserInfo(this);
 294                         s.connect();
 295
 296                         Channel channel = s.openChannel("exec");
 297                         ((ChannelExec)channel).setCommand("scp -t "+dest);
 298                         channel.connect();
 299
 300                         OutputStream scp_out = channel.getOutputStream();
 301                         InputStream scp_in = channel.getInputStream();
 302
 303                         update_notif("Starting send...");
 304
 305                         /* Okay, BS out of the way.  Now go send the file. */
 306                         expect_ack(scp_in);
 307
 308                         String stfu;
 309                         if (dest.lastIndexOf("/") > 0)
 310                                 stfu = dest.substring(dest.lastIndexOf("/") + 1);
 311                         else
 312                                 stfu = dest;
 313
 314                         scp_out.write(("C0644 " + (Integer.toString(is.available())) + " "+stfu+"\n").getBytes());
 315                         scp_out.flush();
 316
 317                         expect_ack(scp_in);
 318
 319                         int total, nbytes;
 320                         total = is.available();
 321                         nbytes = 0;
 322                         int len;
 323                         byte[] buf = new byte[4096];
 324                         while ((len = is.read(buf, 0, buf.length)) > 0)
 325                         {
 326                                 scp_out.write(buf, 0, len);
 327                                 nbytes += len;
 328                                 update_notif(nbytes, total);
 329                         }
 330
 331                         is.close();
 332
 333                         update_notif("Finishing file transfer...");
 334
 335                         scp_out.write("\0".getBytes());
 336                         scp_out.flush();
 337
 338                         expect_ack(scp_in);
 339
 340                         channel.disconnect();
 341
 342                         update_notif("Preparing to resize image...");
 343
 344                         channel = s.openChannel("exec");
 345                         ((ChannelExec)channel).setCommand("pscale "+dest);
 346                         channel.connect();
 347
 348                         scp_in = channel.getInputStream();
 349
 350                         update_notif("Resizing image...");
 351                         while ((len = scp_in.read(buf, 0, buf.length)) > 0)
 352                                 ;
 353
 354                         channel.disconnect();
 355                         update_notif("Upload complete.");
 356
 357                         sayNullNotification("Dumload upload complete: " + dest, "Upload complete", "Uploaded: " + dest);
 358
 359                         s.disconnect();
 360                 } catch (Exception e) {
 361                         Log.e("Dumload.uploader[thread]", "JSchException: "+(e.toString()));
 362                         sayNullNotification("Dumload upload failed", "Upload failed", e.toString());
 363                 }
 364
 365                 destroy_notif();
 366
 367                 Log.e("Dumload.uploader[thread]", "And now I'm back to life!");
 368         }
 369
 370         private void say(String s) {
 371                 Toast.makeText(getApplicationContext(), s, Toast.LENGTH_SHORT).show();
 372         }
 373
 374         @Override
 375         public void onStart(Intent i, int startId)
 376         {
 377                 uri = i.getData();
 378                 dest = i.getStringExtra("com.joshuawise.dumload.dest");
 379                 homedir = getApplicationContext().getFilesDir().getAbsolutePath();
 380                 int shits = 0;
 381                 int giggles = 1;
 382
 383                 super.onStart(i, startId);
 384
 385                 Log.e("Dumload.Uploader", "Started.");
 386                 Log.e("Dumload.Uploader", "My path is "+homedir);
 387
 388                 try {
 389                         is = getContentResolver().openInputStream(uri);
 390                 } catch (Exception e) {
 391                         say("Failed to open input file.");
 392                         return;
 393                 }
 394
 395
 396                 me = new Thread(this, "Uploader thread");
 397                 me.start();
 398         }
 399
 400         @Override
 401         public IBinder onBind(Intent i) {
 402                 Log.e("Dumload.Uploader", "bound");
 403
 404                 return null;
 405         }
 406 }