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