tests/testdownload.py

   1 #!/usr/bin/env python
   2 from __future__ import with_statement
   3 from basetest import BaseTest
   4 import sys, tempfile, os
   5 from StringIO import StringIO
   6 import unittest, signal
   7 from logging import getLogger, WARN, ERROR
   8 from contextlib import contextmanager
   9
  10 sys.path.insert(0, '..')
  11
  12 os.environ["http_proxy"] = "localhost:8000"
  13
  14 from zeroinstall.injector import model, gpg, download, trust, background, arch, selections, qdom, run
  15 from zeroinstall.injector.policy import Policy
  16 from zeroinstall.zerostore import Store, NotStored; Store._add_with_helper = lambda *unused: False
  17 from zeroinstall.support import basedir, tasks
  18 from zeroinstall.injector import fetch
  19 import data
  20 import my_dbus
  21
  22 import server
  23
  24 ran_gui = False
  25 def raise_gui(*args):
  26         global ran_gui
  27         ran_gui = True
  28 background._detach = lambda: False
  29 background._exec_gui = raise_gui
  30
  31 @contextmanager
  32 def output_suppressed():
  33         old_stdout = sys.stdout
  34         old_stderr = sys.stderr
  35         try:
  36                 sys.stdout = StringIO()
  37                 sys.stderr = StringIO()
  38                 try:
  39                         yield
  40                 except Exception:
  41                         raise
  42                 except BaseException as ex:
  43                         # Don't abort unit-tests if someone raises SystemExit
  44                         raise Exception(str(type(ex)) + " " + str(ex))
  45         finally:
  46                 sys.stdout = old_stdout
  47                 sys.stderr = old_stderr
  48
  49 class Reply:
  50         def __init__(self, reply):
  51                 self.reply = reply
  52
  53         def readline(self):
  54                 return self.reply
  55
  56 def download_and_execute(policy, prog_args, main = None):
  57         downloaded = policy.solve_and_download_impls()
  58         if downloaded:
  59                 policy.config.handler.wait_for_blocker(downloaded)
  60         run.execute_selections(policy.solver.selections, prog_args, stores = policy.config.stores, main = main)
  61
  62 class NetworkManager:
  63         def state(self):
  64                 return 3        # NM_STATUS_CONNECTED
  65
  66 server_process = None
  67 def kill_server_process():
  68         global server_process
  69         if server_process is not None:
  70                 os.kill(server_process, signal.SIGTERM)
  71                 os.waitpid(server_process, 0)
  72                 server_process = None
  73
  74 def run_server(*args):
  75         global server_process
  76         assert server_process is None
  77         server_process = server.handle_requests(*args)
  78
  79 class TestDownload(BaseTest):
  80         def setUp(self):
  81                 BaseTest.setUp(self)
  82
  83                 self.config.handler.allow_downloads = True
  84                 self.config.key_info_server = 'http://localhost:3333/key-info'
  85
  86                 self.config.fetcher = fetch.Fetcher(self.config)
  87
  88                 stream = tempfile.TemporaryFile()
  89                 stream.write(data.thomas_key)
  90                 stream.seek(0)
  91                 gpg.import_key(stream)
  92
  93                 trust.trust_db.watchers = []
  94
  95         def tearDown(self):
  96                 BaseTest.tearDown(self)
  97                 kill_server_process()
  98
  99         def testRejectKey(self):
 100                 with output_suppressed():
 101                         run_server('Hello', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B')
 102                         policy = Policy('http://localhost:8000/Hello', config = self.config)
 103                         assert policy.need_download()
 104                         sys.stdin = Reply("N\n")
 105                         try:
 106                                 download_and_execute(policy, ['Hello'])
 107                                 assert 0
 108                         except model.SafeException as ex:
 109                                 if "has no usable implementations" not in str(ex):
 110                                         raise ex
 111                                 if "Not signed with a trusted key" not in str(policy.handler.ex):
 112                                         raise ex
 113                                 self.config.handler.ex = None
 114
 115         def testRejectKeyXML(self):
 116                 with output_suppressed():
 117                         run_server('Hello.xml', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B')
 118                         policy = Policy('http://example.com:8000/Hello.xml', config = self.config)
 119                         assert policy.need_download()
 120                         sys.stdin = Reply("N\n")
 121                         try:
 122                                 download_and_execute(policy, ['Hello'])
 123                                 assert 0
 124                         except model.SafeException as ex:
 125                                 if "has no usable implementations" not in str(ex):
 126                                         raise ex
 127                                 if "Not signed with a trusted key" not in str(policy.handler.ex):
 128                                         raise
 129                                 self.config.handler.ex = None
 130
 131         def testImport(self):
 132                 from zeroinstall.injector import cli
 133
 134                 rootLogger = getLogger()
 135                 rootLogger.disabled = True
 136                 try:
 137                         try:
 138                                 cli.main(['--import', '-v', 'NO-SUCH-FILE'], config = self.config)
 139                                 assert 0
 140                         except model.SafeException as ex:
 141                                 assert 'NO-SUCH-FILE' in str(ex)
 142                 finally:
 143                         rootLogger.disabled = False
 144                         rootLogger.setLevel(WARN)
 145
 146                 hello = self.config.iface_cache.get_feed('http://localhost:8000/Hello')
 147                 self.assertEquals(None, hello)
 148
 149                 with output_suppressed():
 150                         run_server('6FCF121BE2390E0B.gpg')
 151                         sys.stdin = Reply("Y\n")
 152
 153                         assert not trust.trust_db.is_trusted('DE937DD411906ACF7C263B396FCF121BE2390E0B')
 154                         cli.main(['--import', 'Hello'], config = self.config)
 155                         assert trust.trust_db.is_trusted('DE937DD411906ACF7C263B396FCF121BE2390E0B')
 156
 157                         # Check we imported the interface after trusting the key
 158                         hello = self.config.iface_cache.get_feed('http://localhost:8000/Hello', force = True)
 159                         self.assertEquals(1, len(hello.implementations))
 160
 161                         # Shouldn't need to prompt the second time
 162                         sys.stdin = None
 163                         cli.main(['--import', 'Hello'], config = self.config)
 164
 165         def testSelections(self):
 166                 from zeroinstall.injector import cli
 167                 root = qdom.parse(open("selections.xml"))
 168                 sels = selections.Selections(root)
 169                 class Options: dry_run = False
 170
 171                 with output_suppressed():
 172                         run_server('Hello.xml', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B', 'HelloWorld.tgz')
 173                         sys.stdin = Reply("Y\n")
 174                         try:
 175                                 self.config.stores.lookup_any(sels.selections['http://example.com:8000/Hello.xml'].digests)
 176                                 assert False
 177                         except NotStored:
 178                                 pass
 179                         cli.main(['--download-only', 'selections.xml'], config = self.config)
 180                         path = self.config.stores.lookup_any(sels.selections['http://example.com:8000/Hello.xml'].digests)
 181                         assert os.path.exists(os.path.join(path, 'HelloWorld', 'main'))
 182
 183                         assert sels.download_missing(self.config) is None
 184
 185         def testHelpers(self):
 186                 from zeroinstall import helpers
 187
 188                 with output_suppressed():
 189                         run_server('Hello.xml', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B', 'HelloWorld.tgz')
 190                         sys.stdin = Reply("Y\n")
 191                         sels = helpers.ensure_cached('http://example.com:8000/Hello.xml', config = self.config)
 192                         path = self.config.stores.lookup_any(sels.selections['http://example.com:8000/Hello.xml'].digests)
 193                         assert os.path.exists(os.path.join(path, 'HelloWorld', 'main'))
 194                         assert sels.download_missing(self.config) is None
 195
 196         def testSelectionsWithFeed(self):
 197                 from zeroinstall.injector import cli
 198                 root = qdom.parse(open("selections.xml"))
 199                 sels = selections.Selections(root)
 200
 201                 with output_suppressed():
 202                         run_server('Hello.xml', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B', 'HelloWorld.tgz')
 203                         sys.stdin = Reply("Y\n")
 204
 205                         self.config.handler.wait_for_blocker(self.config.fetcher.download_and_import_feed('http://example.com:8000/Hello.xml', self.config.iface_cache))
 206
 207                         cli.main(['--download-only', 'selections.xml'], config = self.config)
 208                         path = self.config.stores.lookup_any(sels.selections['http://example.com:8000/Hello.xml'].digests)
 209                         assert os.path.exists(os.path.join(path, 'HelloWorld', 'main'))
 210
 211                         assert sels.download_missing(self.config) is None
 212
 213         def testAcceptKey(self):
 214                 with output_suppressed():
 215                         run_server('Hello', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B', 'HelloWorld.tgz')
 216                         policy = Policy('http://localhost:8000/Hello', config = self.config)
 217                         assert policy.need_download()
 218                         sys.stdin = Reply("Y\n")
 219                         try:
 220                                 download_and_execute(policy, ['Hello'], main = 'Missing')
 221                                 assert 0
 222                         except model.SafeException as ex:
 223                                 if "HelloWorld/Missing" not in str(ex):
 224                                         raise
 225
 226         def testAutoAcceptKey(self):
 227                 self.config.auto_approve_keys = True
 228                 with output_suppressed():
 229                         run_server('Hello', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B', 'HelloWorld.tgz')
 230                         policy = Policy('http://localhost:8000/Hello', config = self.config)
 231                         assert policy.need_download()
 232                         sys.stdin = Reply("")
 233                         try:
 234                                 download_and_execute(policy, ['Hello'], main = 'Missing')
 235                                 assert 0
 236                         except model.SafeException as ex:
 237                                 if "HelloWorld/Missing" not in str(ex):
 238                                         raise
 239
 240         def testDistro(self):
 241                 with output_suppressed():
 242                         native_url = 'http://example.com:8000/Native.xml'
 243
 244                         # Initially, we don't have the feed at all...
 245                         master_feed = self.config.iface_cache.get_feed(native_url)
 246                         assert master_feed is None, master_feed
 247
 248                         trust.trust_db.trust_key('DE937DD411906ACF7C263B396FCF121BE2390E0B', 'example.com:8000')
 249                         run_server('Native.xml', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B')
 250                         policy = Policy(native_url, config = self.config)
 251                         assert policy.need_download()
 252
 253                         solve = policy.solve_with_downloads()
 254                         self.config.handler.wait_for_blocker(solve)
 255                         tasks.check(solve)
 256
 257                         master_feed = self.config.iface_cache.get_feed(native_url)
 258                         assert master_feed is not None
 259                         assert master_feed.implementations == {}
 260
 261                         distro_feed_url = master_feed.get_distro_feed()
 262                         assert distro_feed_url is not None
 263                         distro_feed = self.config.iface_cache.get_feed(distro_feed_url)
 264                         assert distro_feed is not None
 265                         assert len(distro_feed.implementations) == 2, distro_feed.implementations
 266
 267         def testWrongSize(self):
 268                 with output_suppressed():
 269                         run_server('Hello-wrong-size', '6FCF121BE2390E0B.gpg',
 270                                                         '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B', 'HelloWorld.tgz')
 271                         policy = Policy('http://localhost:8000/Hello-wrong-size', config = self.config)
 272                         assert policy.need_download()
 273                         sys.stdin = Reply("Y\n")
 274                         try:
 275                                 download_and_execute(policy, ['Hello'], main = 'Missing')
 276                                 assert 0
 277                         except model.SafeException as ex:
 278                                 if "Downloaded archive has incorrect size" not in str(ex):
 279                                         raise ex
 280
 281         def testRecipe(self):
 282                 old_out = sys.stdout
 283                 try:
 284                         sys.stdout = StringIO()
 285                         run_server(('HelloWorld.tar.bz2', 'dummy_1-1_all.deb'))
 286                         policy = Policy(os.path.abspath('Recipe.xml'), config = self.config)
 287                         try:
 288                                 download_and_execute(policy, [])
 289                                 assert False
 290                         except model.SafeException as ex:
 291                                 if "HelloWorld/Missing" not in str(ex):
 292                                         raise ex
 293                 finally:
 294                         sys.stdout = old_out
 295
 296         def testSymlink(self):
 297                 old_out = sys.stdout
 298                 try:
 299                         sys.stdout = StringIO()
 300                         run_server(('HelloWorld.tar.bz2', 'HelloSym.tgz'))
 301                         policy = Policy(os.path.abspath('RecipeSymlink.xml'), config = self.config)
 302                         try:
 303                                 download_and_execute(policy, [])
 304                                 assert False
 305                         except model.SafeException as ex:
 306                                 if 'Attempt to unpack dir over symlink "HelloWorld"' not in str(ex):
 307                                         raise
 308                         self.assertEquals(None, basedir.load_first_cache('0install.net', 'implementations', 'main'))
 309                 finally:
 310                         sys.stdout = old_out
 311
 312         def testAutopackage(self):
 313                 old_out = sys.stdout
 314                 try:
 315                         sys.stdout = StringIO()
 316                         run_server('HelloWorld.autopackage')
 317                         policy = Policy(os.path.abspath('Autopackage.xml'), config = self.config)
 318                         try:
 319                                 download_and_execute(policy, [])
 320                                 assert False
 321                         except model.SafeException as ex:
 322                                 if "HelloWorld/Missing" not in str(ex):
 323                                         raise
 324                 finally:
 325                         sys.stdout = old_out
 326
 327         def testRecipeFailure(self):
 328                 old_out = sys.stdout
 329                 try:
 330                         sys.stdout = StringIO()
 331                         run_server('*')
 332                         policy = Policy(os.path.abspath('Recipe.xml'), config = self.config)
 333                         try:
 334                                 download_and_execute(policy, [])
 335                                 assert False
 336                         except download.DownloadError as ex:
 337                                 if "Connection" not in str(ex):
 338                                         raise
 339                 finally:
 340                         sys.stdout = old_out
 341
 342         def testMirrors(self):
 343                 old_out = sys.stdout
 344                 try:
 345                         sys.stdout = StringIO()
 346                         getLogger().setLevel(ERROR)
 347                         trust.trust_db.trust_key('DE937DD411906ACF7C263B396FCF121BE2390E0B', 'example.com:8000')
 348                         run_server(server.Give404('/Hello.xml'), 'latest.xml', '/0mirror/keys/6FCF121BE2390E0B.gpg')
 349                         policy = Policy('http://example.com:8000/Hello.xml', config = self.config)
 350                         self.config.feed_mirror = 'http://example.com:8000/0mirror'
 351
 352                         refreshed = policy.solve_with_downloads()
 353                         policy.handler.wait_for_blocker(refreshed)
 354                         assert policy.ready
 355                 finally:
 356                         sys.stdout = old_out
 357
 358         def testReplay(self):
 359                 old_out = sys.stdout
 360                 try:
 361                         sys.stdout = StringIO()
 362                         getLogger().setLevel(ERROR)
 363                         iface = self.config.iface_cache.get_interface('http://example.com:8000/Hello.xml')
 364                         mtime = int(os.stat('Hello-new.xml').st_mtime)
 365                         self.config.iface_cache.update_feed_from_network(iface.uri, open('Hello-new.xml').read(), mtime + 10000)
 366
 367                         trust.trust_db.trust_key('DE937DD411906ACF7C263B396FCF121BE2390E0B', 'example.com:8000')
 368                         run_server(server.Give404('/Hello.xml'), 'latest.xml', '/0mirror/keys/6FCF121BE2390E0B.gpg', 'Hello.xml')
 369                         policy = Policy('http://example.com:8000/Hello.xml', config = self.config)
 370                         self.config.feed_mirror = 'http://example.com:8000/0mirror'
 371
 372                         # Update from mirror (should ignore out-of-date timestamp)
 373                         refreshed = policy.fetcher.download_and_import_feed(iface.uri, self.config.iface_cache)
 374                         policy.handler.wait_for_blocker(refreshed)
 375
 376                         # Update from upstream (should report an error)
 377                         refreshed = policy.fetcher.download_and_import_feed(iface.uri, self.config.iface_cache)
 378                         try:
 379                                 policy.handler.wait_for_blocker(refreshed)
 380                                 raise Exception("Should have been rejected!")
 381                         except model.SafeException as ex:
 382                                 assert "New feed's modification time is before old version" in str(ex)
 383
 384                         # Must finish with the newest version
 385                         self.assertEquals(1235911552, self.config.iface_cache._get_signature_date(iface.uri))
 386                 finally:
 387                         sys.stdout = old_out
 388
 389         def testBackground(self, verbose = False):
 390                 p = Policy('http://example.com:8000/Hello.xml', config = self.config)
 391                 self.import_feed(p.root, 'Hello.xml')
 392                 p.freshness = 0
 393                 p.network_use = model.network_minimal
 394                 p.solver.solve(p.root, arch.get_host_architecture())
 395                 assert p.ready, p.solver.get_failure_reason()
 396
 397                 @tasks.async
 398                 def choose_download(registed_cb, nid, actions):
 399                         try:
 400                                 assert actions == ['download', 'Download'], actions
 401                                 registed_cb(nid, 'download')
 402                         except:
 403                                 import traceback
 404                                 traceback.print_exc()
 405                         yield None
 406
 407                 global ran_gui
 408                 ran_gui = False
 409                 old_out = sys.stdout
 410                 try:
 411                         sys.stdout = StringIO()
 412                         run_server('Hello.xml', '6FCF121BE2390E0B.gpg')
 413                         my_dbus.system_services = {"org.freedesktop.NetworkManager": {"/org/freedesktop/NetworkManager": NetworkManager()}}
 414                         my_dbus.user_callback = choose_download
 415                         pid = os.getpid()
 416                         old_exit = os._exit
 417                         def my_exit(code):
 418                                 # The background handler runs in the same process
 419                                 # as the tests, so don't let it abort.
 420                                 if os.getpid() == pid:
 421                                         raise SystemExit(code)
 422                                 # But, child download processes are OK
 423                                 old_exit(code)
 424                         from zeroinstall.injector import config
 425                         key_info = config.DEFAULT_KEY_LOOKUP_SERVER
 426                         config.DEFAULT_KEY_LOOKUP_SERVER = None
 427                         try:
 428                                 try:
 429                                         os._exit = my_exit
 430                                         background.spawn_background_update(p, verbose)
 431                                         assert False
 432                                 except SystemExit as ex:
 433                                         self.assertEquals(1, ex.code)
 434                         finally:
 435                                 os._exit = old_exit
 436                                 config.DEFAULT_KEY_LOOKUP_SERVER = key_info
 437                 finally:
 438                         sys.stdout = old_out
 439                 assert ran_gui
 440
 441         def testBackgroundVerbose(self):
 442                 self.testBackground(verbose = True)
 443
 444 if __name__ == '__main__':
 445         try:
 446                 unittest.main()
 447         finally:
 448                 kill_server_process()