torbrowser-launcher

   1 #!/usr/bin/env python
   2
   3 import os, sys, subprocess, locale, urllib2, gobject
   4
   5 import pygtk
   6 pygtk.require('2.0')
   7 import gtk
   8
   9 class TorBrowserLauncher:
  10   def __init__(self, current_tbb_version):
  11     # initialize the app
  12     self.current_tbb_version = current_tbb_version
  13     self.discover_arch_lang();
  14     self.build_paths();
  15     self.mkdirs();
  16
  17     launch_gui = True
  18
  19     # is TBB already installed?
  20     if os.path.isfile(self.paths['file']['start']) and os.access(self.paths['file']['start'], os.X_OK):
  21       # does the version file exist?
  22       if os.path.isfile(self.paths['file']['version']):
  23         installed_tbb_version = open(self.paths['file']['version']).read().strip()
  24
  25         if installed_tbb_version == current_tbb_version:
  26           # current version is tbb is installed, launch it
  27           subprocess.call([self.paths['file']['start']])
  28           launch_gui = False
  29         elif installed_tbb_version < self.current_tbb_version:
  30           # there is a tbb upgrade available
  31           self.set_gui('task', "Your Tor Browser Launcher is out of date. Click Start to download the latest version from https://www.torproject.org.", ['download_tarball', 'download_tarball_sig', 'verify', 'extract', 'run'])
  32         else:
  33           # for some reason the installed tbb is newer than the current version?
  34           self.set_gui('error', "Something is wrong. The version of Tor Browser Bundle you have installed is newer than the current version?")
  35
  36       else:
  37         # if tbb is installed but the version file doesn't exist, something is wrong
  38         self.set_gui('error', "Something is wrong. You have the Tor Browser Bundle installed, but the version file is missing.")
  39
  40     # not installed
  41     else:
  42       # save the current version to the file
  43       open(self.paths['file']['version'], 'w').write(self.current_tbb_version)
  44
  45       # are the tarball and sig already downloaded?
  46       if os.path.isfile(self.paths['file']['tarball']) and os.path.isfile(self.paths['file']['tarball_sig']):
  47         # start the gui with verify
  48         self.set_gui('task', "You already have Tor Browser Bundle downloaded, but it isn't installed yet.", ['verify', 'extract', 'run'])
  49
  50       # first run
  51       else:
  52         self.set_gui('task', "The first time you run the Tor Browser Launcher you need to download the Tor Browser Bundle. Click Start to download it now from https://www.torproject.org/.", ['download_tarball', 'download_tarball_sig', 'verify', 'extract', 'run'])
  53
  54     if launch_gui:
  55       self.build_ui()
  56       gtk.main()
  57
  58   # discover the architecture and language
  59   def discover_arch_lang(self):
  60     # figure out the architecture
  61     self.architecture = subprocess.check_output(['arch']).strip('\n')
  62
  63     # figure out the language
  64     available_languages = ['en-US', 'ar', 'de', 'es-ES', 'fa', 'fr', 'it', 'ko', 'nl', 'pl', 'pt-PT', 'ru', 'vi', 'zh-CN']
  65     self.language = locale.getdefaultlocale()[0].replace('_', '-')
  66     if self.language not in available_languages:
  67       self.language = self.language.split('-')[0]
  68       if self.language not in available_languages:
  69         for l in available_languages:
  70           if l[0:2] == self.language:
  71             self.language = l
  72     # if language isn't available, default to english
  73     if self.language not in available_languages:
  74       self.language = 'en-US'
  75
  76   # build all relevant paths
  77   def build_paths(self):
  78     tbb_data = os.getenv('HOME')+'/.torbrowser'
  79     tarball_filename = 'tor-browser-gnu-linux-'+self.architecture+'-'+self.current_tbb_version+'-dev-'+self.language+'.tar.gz'
  80
  81     self.paths = {
  82       'dir': {
  83         'data': tbb_data,
  84         'download': tbb_data+'/download',
  85         'tbb': tbb_data+'/tbb/'+self.architecture
  86       },
  87       'file': {
  88         'version': tbb_data+'/version',
  89         'start': tbb_data+'/tbb/'+self.architecture+'/tor-browser_'+self.language+'/start-tor-browser',
  90         'tarball': tbb_data+'/download/'+tarball_filename,
  91         'tarball_sig': tbb_data+'/download/'+tarball_filename+'.asc'
  92       },
  93       'url': {
  94         #'tarball': 'https://www.torproject.org/dist/torbrowser/linux/'+tarball_filename,
  95         #'tarball_sig': 'https://www.torproject.org/dist/torbrowser/linux/'+tarball_filename+'.asc'
  96         'tarball': 'http://localhost/'+tarball_filename,
  97         'tarball_sig': 'http://localhost/'+tarball_filename+'.asc'
  98       },
  99       'filename': {
 100         'tarball': tarball_filename,
 101         'tarball_sig': tarball_filename+'.asc'
 102       }
 103     }
 104
 105   # create directories that don't exist
 106   def mkdirs(self):
 107     if os.path.exists(self.paths['dir']['download']) == False:
 108       os.makedirs(self.paths['dir']['download'])
 109     if os.path.exists(self.paths['dir']['tbb']) == False:
 110       os.makedirs(self.paths['dir']['tbb'])
 111
 112   # there are different GUIs that might appear, this sets which one we want
 113   def set_gui(self, gui, message, tasks):
 114     self.gui = gui
 115     self.gui_message = message
 116     self.gui_tasks = tasks
 117
 118   # build the application's UI
 119   def build_ui(self):
 120     self.timer = False
 121
 122     self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
 123     self.window.set_title("Tor Browser Launcher")
 124     self.window.set_border_width(10)
 125
 126     self.window.connect("delete_event", self.delete_event)
 127     self.window.connect("destroy", self.destroy)
 128
 129     self.box = gtk.VBox(False, 20)
 130     self.window.add(self.box)
 131
 132     if self.gui == 'error':
 133       # labels
 134       self.label1 = gtk.Label( self.gui_message );
 135       self.label1.set_line_wrap(True)
 136       self.box.pack_start(self.label1, True, True, 0)
 137       self.label1.show()
 138
 139       self.label2 = gtk.Label("You can fix the problem by deleting:\n"+self.paths['dir']['data']+"\n\nHowever, you will lose all your bookmarks and other Tor Browser preferences.");
 140       self.label2.set_line_wrap(True)
 141       self.box.pack_start(self.label2, True, True, 0)
 142       self.label2.show()
 143
 144       # exit button
 145       self.exit_button = gtk.Button("Exit")
 146       self.exit_button.connect("clicked", self.destroy, None)
 147       self.box.add(self.exit_button)
 148       self.exit_button.show()
 149
 150     elif self.gui == 'task':
 151       # label
 152       self.label = gtk.Label( self.gui_message );
 153       self.label.set_line_wrap(True)
 154       self.box.pack_start(self.label, True, True, 0)
 155       self.label.show()
 156
 157       # progress bar
 158       self.progressbar = gtk.ProgressBar(adjustment=None)
 159       self.progressbar.set_orientation(gtk.PROGRESS_LEFT_TO_RIGHT)
 160       self.box.pack_start(self.progressbar, True, True, 0)
 161
 162       # button box
 163       self.button_box = gtk.HButtonBox()
 164       self.button_box.set_layout(gtk.BUTTONBOX_SPREAD)
 165       self.box.pack_start(self.button_box, True, True, 0)
 166       self.button_box.show()
 167
 168       # start button
 169       self.start_button = gtk.Button("Start")
 170       self.start_button.connect("clicked", self.start, None)
 171       self.button_box.add(self.start_button)
 172       self.start_button.show()
 173
 174       # exit button
 175       self.exit_button = gtk.Button("Exit")
 176       self.exit_button.connect("clicked", self.destroy, None)
 177       self.button_box.add(self.exit_button)
 178       self.exit_button.show()
 179
 180       # statusbar
 181       self.statusbar = gtk.Label('')
 182       self.statusbar.set_line_wrap(True)
 183       self.box.pack_start(self.statusbar, True, True, 0)
 184
 185     self.box.show()
 186     self.window.show();
 187
 188   # start button clicked, begin tasks
 189   def start(self, widget, data=None):
 190     # disable the start button
 191     self.start_button.set_sensitive(False)
 192
 193     # show the statusbar
 194     #self.statusbar.show()
 195
 196     # loop through tasks
 197     for task in self.gui_tasks:
 198       if task == 'download_tarball':
 199         print 'Downloading '+self.paths['url']['tarball']
 200         if not self.download('tarball', self.paths['url']['tarball'], self.paths['file']['tarball']):
 201           self.start_button.set_sensitive(True)
 202           break
 203
 204       elif task == 'download_tarball_sig':
 205         print 'Downloading '+self.paths['url']['tarball_sig']
 206         if not self.download('signature', self.paths['url']['tarball_sig'], self.paths['file']['tarball_sig']):
 207           self.start_button.set_sensitive(True)
 208           break
 209
 210       elif task == 'verify':
 211         print 'Verifying signature'
 212
 213       elif task == 'extract':
 214         print 'Extracting '+self.paths['filename']['tarball']
 215
 216       elif task == 'run':
 217         print 'Running '+self.paths['file']['start']
 218
 219   def download(self, name, url, path):
 220     # initialize the progress bar
 221     self.progressbar.set_fraction(0)
 222     self.progressbar.set_text('Downloading '+name)
 223     self.progressbar.show()
 224
 225     # start the download
 226     self.dl_response = urllib2.urlopen(url);
 227     self.dl_total_size = self.dl_response.info().getheader('Content-Length').strip()
 228     self.dl_total_size = int(self.dl_total_size)
 229     self.dl_bytes_so_far = 0
 230
 231     # set a timer to download more chunks
 232     self.timer = gobject.timeout_add(1, self.download_chunk)
 233
 234     # open a file to write to
 235     self.file_download = open(path, 'w')
 236
 237   def download_chunk(self):
 238     # download 10kb a time
 239     chunk = self.dl_response.read(10240)
 240     self.dl_bytes_so_far += len(chunk)
 241     self.file_download.write(chunk)
 242
 243     if not chunk:
 244       self.file_download.close()
 245       return False
 246
 247     percent = float(self.dl_bytes_so_far) / self.dl_total_size
 248     self.progressbar.set_fraction(percent)
 249     percent = round(percent*100, 2)
 250     self.progressbar.set_text("Downloaded %d" % (percent) + '%')
 251
 252     sys.stdout.write("Downloaded %d of %d bytes (%0.2f%%)\r" % (self.dl_bytes_so_far, self.dl_total_size, percent))
 253
 254     if self.dl_bytes_so_far >= self.dl_total_size:
 255       sys.stdout.write('\n')
 256
 257     return True
 258
 259   # exit
 260   def delete_event(self, widget, event, data=None):
 261     return False
 262   def destroy(self, widget, data=None):
 263     if self.timer:
 264       gobject.source_remove(self.timer)
 265     self.timer = False
 266
 267     gtk.main_quit()
 268
 269 if __name__ == "__main__":
 270   print 'Tor Browser Launcher'
 271   print 'https://github.com/micahflee/torbrowser-launcher'
 272
 273   current_tbb_version = '2.3.25-2'
 274   app = TorBrowserLauncher(current_tbb_version)
 275