def test_canAdaptToSFTPServer(self):
avatar = self.makeCodehostingAvatar()
# The adapter logs the SFTPStarted event, which gets the id of the
# transport attribute of 'avatar'. Here we set transport to an
# arbitrary object that can have its id taken.
avatar.transport = object()
server = ISFTPServer(avatar)
self.assertIsInstance(server, TransportSFTPServer)
product = self.factory.makeProduct()
branch_name = self.factory.getUniqueString()
deferred = server.makeDirectory(
'~%s/%s/%s' % (avatar.username, product.name, branch_name),
{'permissions': 0o777})
return deferred
def test_canAdaptToSFTPServer(self):
avatar = self.makeCodehostingAvatar()
# The adapter logs the SFTPStarted event, which gets the id of the
# transport attribute of 'avatar'. Here we set transport to an
# arbitrary object that can have its id taken.
avatar.transport = object()
server = ISFTPServer(avatar)
self.assertIsInstance(server, TransportSFTPServer)
product = self.factory.makeProduct()
branch_name = self.factory.getUniqueString()
deferred = server.makeDirectory(
'~%s/%s/%s' % (avatar.username, product.name, branch_name),
{'permissions': 0777})
return deferred
def __init__(self, data=None, avatar=None):
FileTransferBase.__init__(self)
self.client = ISFTPServer(avatar) # yay interfaces
self.openFiles = {}
self.openDirs = {}
class FileTransferServer(FileTransferBase):
def __init__(self, data=None, avatar=None):
FileTransferBase.__init__(self)
self.client = ISFTPServer(avatar) # yay interfaces
self.openFiles = {}
self.openDirs = {}
def packet_INIT(self, data):
version ,= struct.unpack('!L', data[:4])
self.version = min(list(self.versions) + [version])
data = data[4:]
ext = {}
while data:
ext_name, data = getNS(data)
ext_data, data = getNS(data)
ext[ext_name] = ext_data
our_ext = self.client.gotVersion(version, ext)
our_ext_data = ""
for (k,v) in our_ext.items():
our_ext_data += NS(k) + NS(v)
self.sendPacket(FXP_VERSION, struct.pack('!L', self.version) + \
our_ext_data)
def packet_OPEN(self, data):
requestId = data[:4]
data = data[4:]
filename, data = getNS(data)
flags ,= struct.unpack('!L', data[:4])
data = data[4:]
attrs, data = self._parseAttributes(data)
assert data == '', 'still have data in OPEN: %s' % repr(data)
d = defer.maybeDeferred(self.client.openFile, filename, flags, attrs)
d.addCallback(self._cbOpenFile, requestId)
d.addErrback(self._ebStatus, requestId, "open failed")
def _cbOpenFile(self, fileObj, requestId):
fileId = str(hash(fileObj))
if fileId in self.openFiles:
raise KeyError, 'id already open'
self.openFiles[fileId] = fileObj
self.sendPacket(FXP_HANDLE, requestId + NS(fileId))
def packet_CLOSE(self, data):
requestId = data[:4]
data = data[4:]
handle, data = getNS(data)
assert data == '', 'still have data in CLOSE: %s' % repr(data)
if handle in self.openFiles:
fileObj = self.openFiles[handle]
d = defer.maybeDeferred(fileObj.close)
d.addCallback(self._cbClose, handle, requestId)
d.addErrback(self._ebStatus, requestId, "close failed")
elif handle in self.openDirs:
dirObj = self.openDirs[handle][0]
d = defer.maybeDeferred(dirObj.close)
d.addCallback(self._cbClose, handle, requestId, 1)
d.addErrback(self._ebStatus, requestId, "close failed")
else:
self._ebClose(failure.Failure(KeyError()), requestId)
def _cbClose(self, result, handle, requestId, isDir = 0):
if isDir:
del self.openDirs[handle]
else:
del self.openFiles[handle]
self._sendStatus(requestId, FX_OK, 'file closed')
def packet_READ(self, data):
requestId = data[:4]
data = data[4:]
handle, data = getNS(data)
(offset, length), data = struct.unpack('!QL', data[:12]), data[12:]
assert data == '', 'still have data in READ: %s' % repr(data)
if handle not in self.openFiles:
self._ebRead(failure.Failure(KeyError()), requestId)
else:
fileObj = self.openFiles[handle]
d = defer.maybeDeferred(fileObj.readChunk, offset, length)
d.addCallback(self._cbRead, requestId)
d.addErrback(self._ebStatus, requestId, "read failed")
def _cbRead(self, result, requestId):
if result == '': # python's read will return this for EOF
raise EOFError()
self.sendPacket(FXP_DATA, requestId + NS(result))
def packet_WRITE(self, data):
requestId = data[:4]
data = data[4:]
handle, data = getNS(data)
offset, = struct.unpack('!Q', data[:8])
data = data[8:]
writeData, data = getNS(data)
assert data == '', 'still have data in WRITE: %s' % repr(data)
if handle not in self.openFiles:
self._ebWrite(failure.Failure(KeyError()), requestId)
else:
fileObj = self.openFiles[handle]
d = defer.maybeDeferred(fileObj.writeChunk, offset, writeData)
d.addCallback(self._cbStatus, requestId, "write succeeded")
d.addErrback(self._ebStatus, requestId, "write failed")
def packet_REMOVE(self, data):
requestId = data[:4]
data = data[4:]
filename, data = getNS(data)
assert data == '', 'still have data in REMOVE: %s' % repr(data)
d = defer.maybeDeferred(self.client.removeFile, filename)
d.addCallback(self._cbStatus, requestId, "remove succeeded")
d.addErrback(self._ebStatus, requestId, "remove failed")
def packet_RENAME(self, data):
requestId = data[:4]
data = data[4:]
oldPath, data = getNS(data)
newPath, data = getNS(data)
assert data == '', 'still have data in RENAME: %s' % repr(data)
d = defer.maybeDeferred(self.client.renameFile, oldPath, newPath)
d.addCallback(self._cbStatus, requestId, "rename succeeded")
d.addErrback(self._ebStatus, requestId, "rename failed")
def packet_MKDIR(self, data):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
attrs, data = self._parseAttributes(data)
assert data == '', 'still have data in MKDIR: %s' % repr(data)
d = defer.maybeDeferred(self.client.makeDirectory, path, attrs)
d.addCallback(self._cbStatus, requestId, "mkdir succeeded")
d.addErrback(self._ebStatus, requestId, "mkdir failed")
def packet_RMDIR(self, data):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
assert data == '', 'still have data in RMDIR: %s' % repr(data)
d = defer.maybeDeferred(self.client.removeDirectory, path)
d.addCallback(self._cbStatus, requestId, "rmdir succeeded")
d.addErrback(self._ebStatus, requestId, "rmdir failed")
def packet_OPENDIR(self, data):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
assert data == '', 'still have data in OPENDIR: %s' % repr(data)
d = defer.maybeDeferred(self.client.openDirectory, path)
d.addCallback(self._cbOpenDirectory, requestId)
d.addErrback(self._ebStatus, requestId, "opendir failed")
def _cbOpenDirectory(self, dirObj, requestId):
handle = str(hash(dirObj))
if handle in self.openDirs:
raise KeyError, "already opened this directory"
self.openDirs[handle] = [dirObj, iter(dirObj)]
self.sendPacket(FXP_HANDLE, requestId + NS(handle))
def packet_READDIR(self, data):
requestId = data[:4]
data = data[4:]
handle, data = getNS(data)
assert data == '', 'still have data in READDIR: %s' % repr(data)
if handle not in self.openDirs:
self._ebStatus(failure.Failure(KeyError()), requestId)
else:
dirObj, dirIter = self.openDirs[handle]
d = defer.maybeDeferred(self._scanDirectory, dirIter, [])
d.addCallback(self._cbSendDirectory, requestId)
d.addErrback(self._ebStatus, requestId, "scan directory failed")
def _scanDirectory(self, dirIter, f):
while len(f) < 250:
try:
info = dirIter.next()
except StopIteration:
if not f:
raise EOFError
return f
if isinstance(info, defer.Deferred):
info.addCallback(self._cbScanDirectory, dirIter, f)
return
else:
f.append(info)
return f
def _cbScanDirectory(self, result, dirIter, f):
f.append(result)
return self._scanDirectory(dirIter, f)
def _cbSendDirectory(self, result, requestId):
data = ''
for (filename, longname, attrs) in result:
data += NS(filename)
data += NS(longname)
data += self._packAttributes(attrs)
self.sendPacket(FXP_NAME, requestId +
struct.pack('!L', len(result))+data)
def packet_STAT(self, data, followLinks = 1):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
assert data == '', 'still have data in STAT/LSTAT: %s' % repr(data)
d = defer.maybeDeferred(self.client.getAttrs, path, followLinks)
d.addCallback(self._cbStat, requestId)
d.addErrback(self._ebStatus, requestId, 'stat/lstat failed')
def packet_LSTAT(self, data):
self.packet_STAT(data, 0)
def packet_FSTAT(self, data):
requestId = data[:4]
data = data[4:]
handle, data = getNS(data)
assert data == '', 'still have data in FSTAT: %s' % repr(data)
if handle not in self.openFiles:
self._ebStatus(failure.Failure(KeyError('%s not in self.openFiles'
% handle)), requestId)
else:
fileObj = self.openFiles[handle]
d = defer.maybeDeferred(fileObj.getAttrs)
d.addCallback(self._cbStat, requestId)
d.addErrback(self._ebStatus, requestId, 'fstat failed')
def _cbStat(self, result, requestId):
data = requestId + self._packAttributes(result)
self.sendPacket(FXP_ATTRS, data)
def packet_SETSTAT(self, data):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
attrs, data = self._parseAttributes(data)
if data != '':
log.msg('WARN: still have data in SETSTAT: %s' % repr(data))
d = defer.maybeDeferred(self.client.setAttrs, path, attrs)
d.addCallback(self._cbStatus, requestId, 'setstat succeeded')
d.addErrback(self._ebStatus, requestId, 'setstat failed')
def packet_FSETSTAT(self, data):
requestId = data[:4]
data = data[4:]
handle, data = getNS(data)
attrs, data = self._parseAttributes(data)
assert data == '', 'still have data in FSETSTAT: %s' % repr(data)
if handle not in self.openFiles:
self._ebStatus(failure.Failure(KeyError()), requestId)
else:
fileObj = self.openFiles[handle]
d = defer.maybeDeferred(fileObj.setAttrs, attrs)
d.addCallback(self._cbStatus, requestId, 'fsetstat succeeded')
d.addErrback(self._ebStatus, requestId, 'fsetstat failed')
def packet_READLINK(self, data):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
assert data == '', 'still have data in READLINK: %s' % repr(data)
d = defer.maybeDeferred(self.client.readLink, path)
d.addCallback(self._cbReadLink, requestId)
d.addErrback(self._ebStatus, requestId, 'readlink failed')
def _cbReadLink(self, result, requestId):
self._cbSendDirectory([(result, '', {})], requestId)
def packet_SYMLINK(self, data):
requestId = data[:4]
data = data[4:]
linkPath, data = getNS(data)
targetPath, data = getNS(data)
d = defer.maybeDeferred(self.client.makeLink, linkPath, targetPath)
d.addCallback(self._cbStatus, requestId, 'symlink succeeded')
d.addErrback(self._ebStatus, requestId, 'symlink failed')
def packet_REALPATH(self, data):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
assert data == '', 'still have data in REALPATH: %s' % repr(data)
d = defer.maybeDeferred(self.client.realPath, path)
d.addCallback(self._cbReadLink, requestId) # same return format
d.addErrback(self._ebStatus, requestId, 'realpath failed')
def packet_EXTENDED(self, data):
requestId = data[:4]
data = data[4:]
extName, extData = getNS(data)
d = defer.maybeDeferred(self.client.extendedRequest, extName, extData)
d.addCallback(self._cbExtended, requestId)
d.addErrback(self._ebStatus, requestId, 'extended %s failed' % extName)
def _cbExtended(self, data, requestId):
self.sendPacket(FXP_EXTENDED_REPLY, requestId + data)
def _cbStatus(self, result, requestId, msg = "request succeeded"):
self._sendStatus(requestId, FX_OK, msg)
def _ebStatus(self, reason, requestId, msg = "request failed"):
code = FX_FAILURE
message = msg
if reason.type in (IOError, OSError):
if reason.value.errno == errno.ENOENT: # no such file
code = FX_NO_SUCH_FILE
message = reason.value.strerror
elif reason.value.errno == errno.EACCES: # permission denied
code = FX_PERMISSION_DENIED
message = reason.value.strerror
elif reason.value.errno == errno.EEXIST:
code = FX_FILE_ALREADY_EXISTS
else:
log.err(reason)
elif reason.type == EOFError: # EOF
code = FX_EOF
if reason.value.args:
message = reason.value.args[0]
elif reason.type == NotImplementedError:
code = FX_OP_UNSUPPORTED
if reason.value.args:
message = reason.value.args[0]
elif reason.type == SFTPError:
code = reason.value.code
message = reason.value.message
else:
log.err(reason)
self._sendStatus(requestId, code, message)
def _sendStatus(self, requestId, code, message, lang = ''):
"""
Helper method to send a FXP_STATUS message.
"""
data = requestId + struct.pack('!L', code)
data += NS(message)
data += NS(lang)
self.sendPacket(FXP_STATUS, data)
def connectionLost(self, reason):
"""
Clean all opened files and directories.
"""
for fileObj in self.openFiles.values():
fileObj.close()
self.openFiles = {}
for (dirObj, dirIter) in self.openDirs.values():
dirObj.close()
self.openDirs = {}
def __init__(self, data=None, avatar=None):
FileTransferBase.__init__(self)
self.client = ISFTPServer(avatar) # yay interfaces
self.openFiles = {}
self.openDirs = {}
class FileTransferServer(FileTransferBase):
def __init__(self, data=None, avatar=None):
FileTransferBase.__init__(self)
self.client = ISFTPServer(avatar) # yay interfaces
self.openFiles = {}
self.openDirs = {}
def packet_INIT(self, data):
(version, ) = struct.unpack('!L', data[:4])
self.version = min(list(self.versions) + [version])
data = data[4:]
ext = {}
while data:
extName, data = getNS(data)
extData, data = getNS(data)
ext[extName] = extData
ourExt = self.client.gotVersion(version, ext)
ourExtData = b""
for (k, v) in ourExt.items():
ourExtData += NS(k) + NS(v)
self.sendPacket(FXP_VERSION,
struct.pack('!L', self.version) + ourExtData)
def packet_OPEN(self, data):
requestId = data[:4]
data = data[4:]
filename, data = getNS(data)
(flags, ) = struct.unpack('!L', data[:4])
data = data[4:]
attrs, data = self._parseAttributes(data)
assert data == b'', 'still have data in OPEN: {!r}'.format(data)
d = defer.maybeDeferred(self.client.openFile, filename, flags, attrs)
d.addCallback(self._cbOpenFile, requestId)
d.addErrback(self._ebStatus, requestId, b"open failed")
def _cbOpenFile(self, fileObj, requestId):
fileId = networkString(str(hash(fileObj)))
if fileId in self.openFiles:
raise KeyError('id already open')
self.openFiles[fileId] = fileObj
self.sendPacket(FXP_HANDLE, requestId + NS(fileId))
def packet_CLOSE(self, data):
requestId = data[:4]
data = data[4:]
handle, data = getNS(data)
assert data == b'', 'still have data in CLOSE: {!r}'.format(data)
if handle in self.openFiles:
fileObj = self.openFiles[handle]
d = defer.maybeDeferred(fileObj.close)
d.addCallback(self._cbClose, handle, requestId)
d.addErrback(self._ebStatus, requestId, b"close failed")
elif handle in self.openDirs:
dirObj = self.openDirs[handle][0]
d = defer.maybeDeferred(dirObj.close)
d.addCallback(self._cbClose, handle, requestId, 1)
d.addErrback(self._ebStatus, requestId, b"close failed")
else:
self._ebClose(failure.Failure(KeyError()), requestId)
def _cbClose(self, result, handle, requestId, isDir=0):
if isDir:
del self.openDirs[handle]
else:
del self.openFiles[handle]
self._sendStatus(requestId, FX_OK, b'file closed')
def packet_READ(self, data):
requestId = data[:4]
data = data[4:]
handle, data = getNS(data)
(offset, length), data = struct.unpack('!QL', data[:12]), data[12:]
assert data == b'', 'still have data in READ: {!r}'.format(data)
if handle not in self.openFiles:
self._ebRead(failure.Failure(KeyError()), requestId)
else:
fileObj = self.openFiles[handle]
d = defer.maybeDeferred(fileObj.readChunk, offset, length)
d.addCallback(self._cbRead, requestId)
d.addErrback(self._ebStatus, requestId, b"read failed")
def _cbRead(self, result, requestId):
if result == b'': # Python's read will return this for EOF
raise EOFError()
self.sendPacket(FXP_DATA, requestId + NS(result))
def packet_WRITE(self, data):
requestId = data[:4]
data = data[4:]
handle, data = getNS(data)
offset, = struct.unpack('!Q', data[:8])
data = data[8:]
writeData, data = getNS(data)
assert data == b'', 'still have data in WRITE: {!r}'.format(data)
if handle not in self.openFiles:
self._ebWrite(failure.Failure(KeyError()), requestId)
else:
fileObj = self.openFiles[handle]
d = defer.maybeDeferred(fileObj.writeChunk, offset, writeData)
d.addCallback(self._cbStatus, requestId, b"write succeeded")
d.addErrback(self._ebStatus, requestId, b"write failed")
def packet_REMOVE(self, data):
requestId = data[:4]
data = data[4:]
filename, data = getNS(data)
assert data == b'', 'still have data in REMOVE: {!r}'.format(data)
d = defer.maybeDeferred(self.client.removeFile, filename)
d.addCallback(self._cbStatus, requestId, b"remove succeeded")
d.addErrback(self._ebStatus, requestId, b"remove failed")
def packet_RENAME(self, data):
requestId = data[:4]
data = data[4:]
oldPath, data = getNS(data)
newPath, data = getNS(data)
assert data == b'', 'still have data in RENAME: {!r}'.format(data)
d = defer.maybeDeferred(self.client.renameFile, oldPath, newPath)
d.addCallback(self._cbStatus, requestId, b"rename succeeded")
d.addErrback(self._ebStatus, requestId, b"rename failed")
def packet_MKDIR(self, data):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
attrs, data = self._parseAttributes(data)
assert data == b'', 'still have data in MKDIR: {!r}'.format(data)
d = defer.maybeDeferred(self.client.makeDirectory, path, attrs)
d.addCallback(self._cbStatus, requestId, b"mkdir succeeded")
d.addErrback(self._ebStatus, requestId, b"mkdir failed")
def packet_RMDIR(self, data):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
assert data == b'', 'still have data in RMDIR: {!r}'.format(data)
d = defer.maybeDeferred(self.client.removeDirectory, path)
d.addCallback(self._cbStatus, requestId, b"rmdir succeeded")
d.addErrback(self._ebStatus, requestId, b"rmdir failed")
def packet_OPENDIR(self, data):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
assert data == b'', 'still have data in OPENDIR: {!r}'.format(data)
d = defer.maybeDeferred(self.client.openDirectory, path)
d.addCallback(self._cbOpenDirectory, requestId)
d.addErrback(self._ebStatus, requestId, b"opendir failed")
def _cbOpenDirectory(self, dirObj, requestId):
handle = networkString((str(hash(dirObj))))
if handle in self.openDirs:
raise KeyError("already opened this directory")
self.openDirs[handle] = [dirObj, iter(dirObj)]
self.sendPacket(FXP_HANDLE, requestId + NS(handle))
def packet_READDIR(self, data):
requestId = data[:4]
data = data[4:]
handle, data = getNS(data)
assert data == b'', 'still have data in READDIR: {!r}'.format(data)
if handle not in self.openDirs:
self._ebStatus(failure.Failure(KeyError()), requestId)
else:
dirObj, dirIter = self.openDirs[handle]
d = defer.maybeDeferred(self._scanDirectory, dirIter, [])
d.addCallback(self._cbSendDirectory, requestId)
d.addErrback(self._ebStatus, requestId, b"scan directory failed")
def _scanDirectory(self, dirIter, f):
while len(f) < 250:
try:
info = next(dirIter)
except StopIteration:
if not f:
raise EOFError
return f
if isinstance(info, defer.Deferred):
info.addCallback(self._cbScanDirectory, dirIter, f)
return
else:
f.append(info)
return f
def _cbScanDirectory(self, result, dirIter, f):
f.append(result)
return self._scanDirectory(dirIter, f)
def _cbSendDirectory(self, result, requestId):
data = b''
for (filename, longname, attrs) in result:
data += NS(filename)
data += NS(longname)
data += self._packAttributes(attrs)
self.sendPacket(FXP_NAME,
requestId + struct.pack('!L', len(result)) + data)
def packet_STAT(self, data, followLinks=1):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
assert data == b'', 'still have data in STAT/LSTAT: {!r}'.format(data)
d = defer.maybeDeferred(self.client.getAttrs, path, followLinks)
d.addCallback(self._cbStat, requestId)
d.addErrback(self._ebStatus, requestId, b'stat/lstat failed')
def packet_LSTAT(self, data):
self.packet_STAT(data, 0)
def packet_FSTAT(self, data):
requestId = data[:4]
data = data[4:]
handle, data = getNS(data)
assert data == b'', 'still have data in FSTAT: {!r}'.format(data)
if handle not in self.openFiles:
self._ebStatus(
failure.Failure(
KeyError('{} not in self.openFiles'.format(handle))),
requestId)
else:
fileObj = self.openFiles[handle]
d = defer.maybeDeferred(fileObj.getAttrs)
d.addCallback(self._cbStat, requestId)
d.addErrback(self._ebStatus, requestId, b'fstat failed')
def _cbStat(self, result, requestId):
data = requestId + self._packAttributes(result)
self.sendPacket(FXP_ATTRS, data)
def packet_SETSTAT(self, data):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
attrs, data = self._parseAttributes(data)
if data != b'':
log.msg('WARN: still have data in SETSTAT: {!r}'.format(data))
d = defer.maybeDeferred(self.client.setAttrs, path, attrs)
d.addCallback(self._cbStatus, requestId, b'setstat succeeded')
d.addErrback(self._ebStatus, requestId, b'setstat failed')
def packet_FSETSTAT(self, data):
requestId = data[:4]
data = data[4:]
handle, data = getNS(data)
attrs, data = self._parseAttributes(data)
assert data == b'', 'still have data in FSETSTAT: {!r}'.format(data)
if handle not in self.openFiles:
self._ebStatus(failure.Failure(KeyError()), requestId)
else:
fileObj = self.openFiles[handle]
d = defer.maybeDeferred(fileObj.setAttrs, attrs)
d.addCallback(self._cbStatus, requestId, b'fsetstat succeeded')
d.addErrback(self._ebStatus, requestId, b'fsetstat failed')
def packet_READLINK(self, data):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
assert data == b'', 'still have data in READLINK: {!r}'.format(data)
d = defer.maybeDeferred(self.client.readLink, path)
d.addCallback(self._cbReadLink, requestId)
d.addErrback(self._ebStatus, requestId, b'readlink failed')
def _cbReadLink(self, result, requestId):
self._cbSendDirectory([(result, b'', {})], requestId)
def packet_SYMLINK(self, data):
requestId = data[:4]
data = data[4:]
linkPath, data = getNS(data)
targetPath, data = getNS(data)
d = defer.maybeDeferred(self.client.makeLink, linkPath, targetPath)
d.addCallback(self._cbStatus, requestId, b'symlink succeeded')
d.addErrback(self._ebStatus, requestId, b'symlink failed')
def packet_REALPATH(self, data):
requestId = data[:4]
data = data[4:]
path, data = getNS(data)
assert data == b'', 'still have data in REALPATH: {!r}'.format(data)
d = defer.maybeDeferred(self.client.realPath, path)
d.addCallback(self._cbReadLink, requestId) # Same return format
d.addErrback(self._ebStatus, requestId, b'realpath failed')
def packet_EXTENDED(self, data):
requestId = data[:4]
data = data[4:]
extName, extData = getNS(data)
d = defer.maybeDeferred(self.client.extendedRequest, extName, extData)
d.addCallback(self._cbExtended, requestId)
d.addErrback(self._ebStatus, requestId,
b'extended ' + extName + b' failed')
def _cbExtended(self, data, requestId):
self.sendPacket(FXP_EXTENDED_REPLY, requestId + data)
def _cbStatus(self, result, requestId, msg=b"request succeeded"):
self._sendStatus(requestId, FX_OK, msg)
def _ebStatus(self, reason, requestId, msg=b"request failed"):
code = FX_FAILURE
message = msg
if isinstance(reason.value, (IOError, OSError)):
if reason.value.errno == errno.ENOENT: # No such file
code = FX_NO_SUCH_FILE
message = networkString(reason.value.strerror)
elif reason.value.errno == errno.EACCES: # Permission denied
code = FX_PERMISSION_DENIED
message = networkString(reason.value.strerror)
elif reason.value.errno == errno.EEXIST:
code = FX_FILE_ALREADY_EXISTS
else:
log.err(reason)
elif isinstance(reason.value, EOFError): # EOF
code = FX_EOF
if reason.value.args:
message = networkString(reason.value.args[0])
elif isinstance(reason.value, NotImplementedError):
code = FX_OP_UNSUPPORTED
if reason.value.args:
message = networkString(reason.value.args[0])
elif isinstance(reason.value, SFTPError):
code = reason.value.code
message = networkString(reason.value.message)
else:
log.err(reason)
self._sendStatus(requestId, code, message)
def _sendStatus(self, requestId, code, message, lang=b''):
"""
Helper method to send a FXP_STATUS message.
"""
data = requestId + struct.pack('!L', code)
data += NS(message)
data += NS(lang)
self.sendPacket(FXP_STATUS, data)
def connectionLost(self, reason):
"""
Clean all opened files and directories.
"""
for fileObj in self.openFiles.values():
fileObj.close()
self.openFiles = {}
for (dirObj, dirIter) in self.openDirs.values():
dirObj.close()
self.openDirs = {}