2 files changed, 162 insertions, 0 deletions
diff --git a/testenv/server/ftp/__init__.py b/testenv/server/ftp/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/testenv/server/ftp/__init__.py
diff --git a/testenv/server/ftp/ftp_server.py b/testenv/server/ftp/ftp_server.py
new file mode 100644
index 0000000..f7d7771
--- /dev/null
+++ b/testenv/server/ftp/ftp_server.py
@@ -0,0 +1,162 @@
+import os
+import re
+import threading
+import socket
+import pyftpdlib.__main__
+from pyftpdlib.ioloop import IOLoop
+import pyftpdlib.handlers as Handle
+from pyftpdlib.servers import FTPServer
+from pyftpdlib.authorizers import DummyAuthorizer
+from pyftpdlib._compat import PY3, u, b, getcwdu, callable
+
+class FTPDHandler (Handle.FTPHandler):
+
+    def ftp_LIST (self, path):
+        try:
+            iterator = self.run_as_current_user(self.fs.get_list_dir, path)
+        except (OSError, FilesystemError):
+            err = sys.exc_info()[1]
+            why = _strerror (err)
+            self.respond ('550 %s. ' % why)
+        else:
+            if self.isRule ("Bad List") is True:
+                iter_list = list ()
+                for flist in iterator:
+                    line = re.compile (r'(\s+)').split (flist.decode ('utf-8'))
+                    line[8] = '0'
+                    iter_l =  ''.join (line).encode ('utf-8')
+                    iter_list.append (iter_l)
+                iterator = (n for n in iter_list)
+            producer = Handle.BufferedIteratorProducer (iterator)
+            self.push_dtp_data (producer, isproducer=True, cmd="LIST")
+            return path
+
+    def ftp_PASV (self, line):
+        if self._epsvall:
+            self.respond ("501 PASV not allowed after EPSV ALL.")
+            return
+        self._make_epasv(extmode=False)
+        if self.isRule ("FailPASV") is True:
+            del self.server.global_rules["FailPASV"]
+            self.socket.close ()
+
+    def isRule (self, rule):
+        rule_obj = self.server.global_rules[rule]
+        return False if not rule_obj else rule_obj[0]
+
+class FTPDServer (FTPServer):
+
+    def set_global_rules (self, rules):
+        self.global_rules = rules
+
+class FTPd(threading.Thread):
+    """A threaded FTP server used for running tests.
+
+    This is basically a modified version of the FTPServer class which
+    wraps the polling loop into a thread.
+
+    The instance returned can be used to start(), stop() and
+    eventually re-start() the server.
+    """
+    handler = FTPDHandler
+    server_class = FTPDServer
+
+    def __init__(self, addr=None):
+        os.mkdir ('server')
+        os.chdir ('server')
+        try:
+            HOST = socket.gethostbyname ('localhost')
+        except socket.error:
+            HOST = 'localhost'
+        USER = 'user'
+        PASSWD = '12345'
+        HOME = getcwdu ()
+
+        threading.Thread.__init__(self)
+        self.__serving = False
+        self.__stopped = False
+        self.__lock = threading.Lock()
+        self.__flag = threading.Event()
+        if addr is None:
+            addr = (HOST, 0)
+
+        authorizer = DummyAuthorizer()
+        authorizer.add_user(USER, PASSWD, HOME, perm='elradfmwM')  # full perms
+        authorizer.add_anonymous(HOME)
+        self.handler.authorizer = authorizer
+        # lowering buffer sizes = more cycles to transfer data
+        # = less false positive test failures
+        self.handler.dtp_handler.ac_in_buffer_size = 32768
+        self.handler.dtp_handler.ac_out_buffer_size = 32768
+        self.server = self.server_class(addr, self.handler)
+        self.host, self.port = self.server.socket.getsockname()[:2]
+        os.chdir ('..')
+
+    def set_global_rules (self, rules):
+        self.server.set_global_rules (rules)
+
+    def __repr__(self):
+        status = [self.__class__.__module__ + "." + self.__class__.__name__]
+        if self.__serving:
+            status.append('active')
+        else:
+            status.append('inactive')
+        status.append('%s:%s' % self.server.socket.getsockname()[:2])
+        return '<%s at %#x>' % (' '.join(status), id(self))
+
+    @property
+    def running(self):
+        return self.__serving
+
+    def start(self, timeout=0.001):
+        """Start serving until an explicit stop() request.
+        Polls for shutdown every 'timeout' seconds.
+        """
+        if self.__serving:
+            raise RuntimeError("Server already started")
+        if self.__stopped:
+            # ensure the server can be started again
+            FTPd.__init__(self, self.server.socket.getsockname(), self.handler)
+        self.__timeout = timeout
+        threading.Thread.start(self)
+        self.__flag.wait()
+
+    def run(self):
+        self.__serving = True
+        self.__flag.set()
+        while self.__serving:
+            self.__lock.acquire()
+            self.server.serve_forever(timeout=self.__timeout, blocking=False)
+            self.__lock.release()
+        self.server.close_all()
+
+    def stop(self):
+        """Stop serving (also disconnecting all currently connected
+        clients) by telling the serve_forever() loop to stop and
+        waits until it does.
+        """
+        if not self.__serving:
+            raise RuntimeError("Server not started yet")
+        self.__serving = False
+        self.__stopped = True
+        self.join()
+
+
+def mk_file_sys (file_list):
+    os.chdir ('server')
+    for name, content in file_list.items ():
+        file_h = open (name, 'w')
+        file_h.write (content)
+        file_h.close ()
+    os.chdir ('..')
+
+def filesys ():
+    fileSys = dict ()
+    os.chdir ('server')
+    for parent, dirs, files in os.walk ('.'):
+        for filename in files:
+            file_handle = open (filename, 'r')
+            file_content = file_handle.read ()
+            fileSys[filename] = file_content
+    os.chdir ('..')
+    return fileSys