def _prepare_fetch(self, request: Request, response: Response):
'''Prepare for a fetch.
Coroutine.
'''
self._request = request
self._response = response
yield from self._init_stream()
connection_closed = self._control_connection.closed()
if connection_closed:
self._login_table.pop(self._control_connection, None)
yield from self._control_stream.reconnect()
request.address = self._control_connection.address
connection_reused = not connection_closed
self.event_dispatcher.notify(self.Event.begin_control,
request,
connection_reused=connection_reused)
if connection_closed:
yield from self._commander.read_welcome_message()
yield from self._log_in()
self._response.request = request
def _prepare_fetch(self, request: Request, response: Response):
"""Prepare for a fetch.
Coroutine.
"""
self._request = request
self._response = response
yield from self._init_stream()
connection_closed = self._control_connection.closed()
if connection_closed:
self._login_table.pop(self._control_connection, None)
yield from self._control_stream.reconnect()
request.address = self._control_connection.address
connection_reused = not connection_closed
self.event_dispatcher.notify(self.Event.begin_control, request, connection_reused=connection_reused)
if connection_closed:
yield from self._commander.read_welcome_message()
yield from self._log_in()
self._response.request = request
def test_warc_recorder_ftp(self):
file_prefix = 'asdf'
warc_filename = 'asdf.warc'
warc_recorder = WARCRecorder(file_prefix,
params=WARCRecorderParams(compress=False))
request = FTPRequest('ftp://example.com/example.txt')
request.address = ('0.0.0.0', 80)
response = FTPResponse()
response.reply = FTPReply(200, 'OK')
response.body = Body()
response.data_address = ('0.0.0.0', 12345)
with wpull.util.reset_file_offset(response.body):
response.body.write(b'KITTEH DOGE')
session = warc_recorder.new_ftp_recorder_session()
session.begin_control(request)
session.control_send_data(b'GIMMEH example.txt')
session.control_receive_data(b'200 OK, no need to yell.')
session.begin_transfer(response)
session.transfer_receive_data(b'KITTEH DOGE')
session.end_transfer(response)
session.end_control(response)
session.close()
warc_recorder.close()
with open(warc_filename, 'rb') as in_file:
warc_file_content = in_file.read()
self.assertTrue(warc_file_content.startswith(b'WARC/1.0'))
self.assertIn(b'WARC-Type: warcinfo\r\n', warc_file_content)
self.assertIn(b'Content-Type: application/warc-fields',
warc_file_content)
self.assertIn(b'WARC-Date: ', warc_file_content)
self.assertIn(b'WARC-Record-ID: <urn:uuid:', warc_file_content)
self.assertIn(b'WARC-Block-Digest: sha1:', warc_file_content)
self.assertNotIn(b'WARC-Payload-Digest: sha1:', warc_file_content)
self.assertIn(b'WARC-Type: resource\r\n', warc_file_content)
self.assertIn(b'WARC-Target-URI: ftp://', warc_file_content)
self.assertIn(b'Content-Type: application/octet-stream',
warc_file_content)
self.assertIn(b'WARC-Type: metadata', warc_file_content)
self.assertIn(b'WARC-Concurrent-To: <urn:uuid:', warc_file_content)
self.assertIn(b'Content-Type: text/x-ftp-control-conversation',
warc_file_content)
self.assertIn(
'Wpull/{0}'.format(wpull.version.__version__).encode('utf-8'),
warc_file_content)
self.assertIn(
'Python/{0}'.format(wpull.util.python_version()).encode('utf-8'),
warc_file_content)
self.assertIn(b'KITTEH DOGE', warc_file_content)
self.assertIn(b'* Opening control connection to', warc_file_content)
self.assertIn(b'* Kept control connection to', warc_file_content)
self.assertIn(b'* Opened data connection to ', warc_file_content)
self.assertIn(b'* Closed data connection to ', warc_file_content)
self.assertIn(b'> GIMMEH example.txt', warc_file_content)
self.assertIn(b'< 200 OK, no need to yell.', warc_file_content)
# Ignore Concurrent Record ID not seen yet
self.validate_warc(warc_filename, ignore_minor_error=True)
with open(warc_filename, 'r+b') as in_file:
# Intentionally modify the contents
in_file.seek(355)
in_file.write(b'f')
with self.assertRaises(Exception):
# Sanity check that it actually raises error on bad digest
self.validate_warc(warc_filename, ignore_minor_error=True)
def test_warc_recorder_ftp(self):
file_prefix = 'asdf'
warc_filename = 'asdf.warc'
warc_recorder = WARCRecorder(
file_prefix,
params=WARCRecorderParams(compress=False)
)
request = FTPRequest('ftp://example.com/example.txt')
request.address = ('0.0.0.0', 80)
response = FTPResponse()
response.reply = FTPReply(200, 'OK')
response.body = Body()
response.data_address = ('0.0.0.0', 12345)
with wpull.util.reset_file_offset(response.body):
response.body.write(b'KITTEH DOGE')
session = warc_recorder.new_ftp_recorder_session()
session.begin_control(request)
session.control_send_data(b'GIMMEH example.txt')
session.control_receive_data(b'200 OK, no need to yell.')
session.begin_transfer(response)
session.transfer_receive_data(b'KITTEH DOGE')
session.end_transfer(response)
session.end_control(response)
session.close()
warc_recorder.close()
with open(warc_filename, 'rb') as in_file:
warc_file_content = in_file.read()
self.assertTrue(warc_file_content.startswith(b'WARC/1.0'))
self.assertIn(b'WARC-Type: warcinfo\r\n', warc_file_content)
self.assertIn(b'Content-Type: application/warc-fields',
warc_file_content)
self.assertIn(b'WARC-Date: ', warc_file_content)
self.assertIn(b'WARC-Record-ID: <urn:uuid:', warc_file_content)
self.assertIn(b'WARC-Block-Digest: sha1:', warc_file_content)
self.assertNotIn(b'WARC-Payload-Digest: sha1:', warc_file_content)
self.assertIn(b'WARC-Type: resource\r\n', warc_file_content)
self.assertIn(b'WARC-Target-URI: ftp://', warc_file_content)
self.assertIn(b'Content-Type: application/octet-stream',
warc_file_content)
self.assertIn(b'WARC-Type: metadata', warc_file_content)
self.assertIn(b'WARC-Concurrent-To: <urn:uuid:', warc_file_content)
self.assertIn(b'Content-Type: text/x-ftp-control-conversation',
warc_file_content)
self.assertIn(
'Wpull/{0}'.format(wpull.version.__version__).encode('utf-8'),
warc_file_content
)
self.assertIn(
'Python/{0}'.format(
wpull.util.python_version()).encode('utf-8'),
warc_file_content
)
self.assertIn(b'KITTEH DOGE', warc_file_content)
self.assertIn(b'* Opening control connection to', warc_file_content)
self.assertIn(b'* Kept control connection to', warc_file_content)
self.assertIn(b'* Opened data connection to ', warc_file_content)
self.assertIn(b'* Closed data connection to ', warc_file_content)
self.assertIn(b'> GIMMEH example.txt', warc_file_content)
self.assertIn(b'< 200 OK, no need to yell.', warc_file_content)
# Ignore Concurrent Record ID not seen yet
self.validate_warc(warc_filename, ignore_minor_error=True)
with open(warc_filename, 'r+b') as in_file:
# Intentionally modify the contents
in_file.seek(355)
in_file.write(b'f')
with self.assertRaises(Exception):
# Sanity check that it actually raises error on bad digest
self.validate_warc(warc_filename, ignore_minor_error=True)
