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# Copyright (C) 2009 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Based on pyftpdlib: http://code.google.com/p/pyftpdlib/
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from pyftpdlib import ftpserver
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class AnonymousWithWriteAccessAuthorizer(ftpserver.DummyAuthorizer):
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def _check_permissions(self, username, perm):
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# Like base implementation but don't warn about write permissions
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# assigned to anonymous, since that's exactly our purpose.
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if p not in self.read_perms + self.write_perms:
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raise ftpserver.AuthorizerError('No such permission "%s"' %p)
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class BzrConformingFS(ftpserver.AbstractedFS):
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def chmod(self, path, mode):
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return os.chmod(path, mode)
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def listdir(self, path):
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"""List the content of a directory."""
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# FIXME: need tests with unicode paths
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return [osutils.safe_utf8(s) for s in os.listdir(path)]
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def fs2ftp(self, fspath):
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p = ftpserver.AbstractedFS.fs2ftp(self, fspath)
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# FIXME: need tests with unicode paths
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return osutils.safe_utf8(p)
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class BzrConformingFTPHandler(ftpserver.FTPHandler):
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abstracted_fs = BzrConformingFS
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def __init__(self, conn, server):
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ftpserver.FTPHandler.__init__(self, conn, server)
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self.authorizer = server.authorizer
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def ftp_SIZE(self, path):
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# bzr is overly picky here, but we want to make the test suite pass
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# first. This may need to be revisited -- vila 20090226
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line = self.fs.fs2ftp(path)
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if self.fs.isdir(self.fs.realpath(path)):
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why = "%s is a directory" % line
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self.log('FAIL SIZE "%s". %s.' % (line, why))
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self.respond("550 %s." %why)
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ftpserver.FTPHandler.ftp_SIZE(self, path)
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def ftp_NLST(self, path):
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# bzr is overly picky here, but we want to make the test suite pass
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# first. This may need to be revisited -- vila 20090226
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line = self.fs.fs2ftp(path)
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if self.fs.isfile(self.fs.realpath(path)):
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why = "Not a directory: %s" % line
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self.log('FAIL SIZE "%s". %s.' % (line, why))
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self.respond("550 %s." %why)
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ftpserver.FTPHandler.ftp_NLST(self, path)
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def ftp_SITE_CHMOD(self, line):
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mode, path = line.split(None, 1)
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# We catch both malformed line and malformed mode with the same
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self.respond("500 'SITE CHMOD %s': command not understood."
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self.log('FAIL SITE CHMOD ' % line)
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ftp_path = self.fs.fs2ftp(path)
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self.run_as_current_user(self.fs.chmod, self.fs.ftp2fs(path), mode)
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why = ftpserver._strerror(err)
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self.log('FAIL SITE CHMOD 0%03o "%s". %s.' % (mode, ftp_path, why))
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self.respond('550 %s.' % why)
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self.log('OK SITE CHMOD 0%03o "%s".' % (mode, ftp_path))
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self.respond('200 SITE CHMOD succesful.')
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# pyftpdlib says to define SITE commands by declaring ftp_SITE_<CMD> methods,
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# but fails to recognize them.
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ftpserver.proto_cmds['SITE CHMOD'] = ftpserver._CommandProperty(
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perm='w', # Best fit choice even if not exactly right (can be d, f or m too)
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auth_needed=True, arg_needed=True, check_path=False,
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help='Syntax: SITE CHMOD <SP> octal_mode_bits file-name (chmod file)',
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# An empty password is valid, hence the arg is neither mandatory not forbidden
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ftpserver.proto_cmds['PASS'].arg_needed = None
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class ftp_server(ftpserver.FTPServer):
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def __init__(self, address, handler, authorizer):
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ftpserver.FTPServer.__init__(self, address, handler)
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self.authorizer = authorizer
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# Worth backporting upstream ?
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self.addr = self.socket.getsockname()
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class FTPTestServer(transport.Server):
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"""Common code for FTP server facilities."""
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self._ftp_server = None
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self._async_thread = None
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self._ftpd_running = False
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"""Calculate an ftp url to this server."""
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return 'ftp://anonymous@localhost:%d/' % (self._port)
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def get_bogus_url(self):
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"""Return a URL which cannot be connected to."""
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return 'ftp://127.0.0.1:1/'
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def log(self, message):
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"""This is used by ftp_server to log connections, etc."""
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self.logs.append(message)
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def setUp(self, vfs_server=None):
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from bzrlib.transport.local import LocalURLServer
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if not (vfs_server is None or isinstance(vfs_server, LocalURLServer)):
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raise AssertionError(
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"FTPServer currently assumes local transport, got %s"
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self._root = os.getcwdu()
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address = ('localhost', 0) # bind to a random port
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authorizer = AnonymousWithWriteAccessAuthorizer()
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authorizer.add_anonymous(self._root, perm='elradfmw')
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self._ftp_server = ftp_server(address, BzrConformingFTPHandler,
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# This is hacky as hell, will not work if we need two servers working
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# at the same time, but that's the best we can do so far...
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# FIXME: At least log and logline could be overriden in the handler ?
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ftpserver.log = self.log
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ftpserver.logline = self.log
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ftpserver.logerror = self.log
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self._port = self._ftp_server.socket.getsockname()[1]
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self._ftpd_starting = threading.Lock()
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self._ftpd_starting.acquire() # So it can be released by the server
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self._ftpd_thread = threading.Thread(
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target=self._run_server,)
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self._ftpd_thread.start()
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# Wait for the server thread to start (i.e release the lock)
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self._ftpd_starting.acquire()
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self._ftpd_starting.release()
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"""See bzrlib.transport.Server.tearDown."""
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# Tell the server to stop, but also close the server socket for tests
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# that start the server but never initiate a connection. Closing the
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# socket should be done first though, to avoid further connections.
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self._ftp_server.close()
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self._ftpd_running = False
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self._ftpd_thread.join()
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def _run_server(self):
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"""Run the server until tearDown is called, shut it down properly then.
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self._ftpd_running = True
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self._ftpd_starting.release()
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while self._ftpd_running:
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self._ftp_server.serve_forever(timeout=0.1, count=1)
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self._ftp_server.close_all(ignore_all=True)
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def add_user(self, user, password):
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"""Add a user with write access."""
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self._ftp_server.authorizer.add_user(user, password, self._root,