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261 lines
9.7 KiB
261 lines
9.7 KiB
6 years ago
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"""Tests for managing HTTP issues (malformed requests, etc)."""
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import errno
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import mimetypes
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import socket
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import sys
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from unittest import mock
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import six
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import cherrypy
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from cherrypy._cpcompat import HTTPConnection, HTTPSConnection, ntob
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from cherrypy.test import helper
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def encode_multipart_formdata(files):
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"""Return (content_type, body) ready for httplib.HTTP instance.
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files: a sequence of (name, filename, value) tuples for multipart uploads.
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"""
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BOUNDARY = '________ThIs_Is_tHe_bouNdaRY_$'
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L = []
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for key, filename, value in files:
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L.append('--' + BOUNDARY)
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L.append('Content-Disposition: form-data; name="%s"; filename="%s"' %
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(key, filename))
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ct = mimetypes.guess_type(filename)[0] or 'application/octet-stream'
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L.append('Content-Type: %s' % ct)
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L.append('')
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L.append(value)
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L.append('--' + BOUNDARY + '--')
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L.append('')
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body = '\r\n'.join(L)
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content_type = 'multipart/form-data; boundary=%s' % BOUNDARY
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return content_type, body
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class HTTPTests(helper.CPWebCase):
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def make_connection(self):
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if self.scheme == 'https':
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return HTTPSConnection('%s:%s' % (self.interface(), self.PORT))
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else:
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return HTTPConnection('%s:%s' % (self.interface(), self.PORT))
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@staticmethod
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def setup_server():
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class Root:
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@cherrypy.expose
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def index(self, *args, **kwargs):
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return 'Hello world!'
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@cherrypy.expose
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@cherrypy.config(**{'request.process_request_body': False})
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def no_body(self, *args, **kwargs):
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return 'Hello world!'
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@cherrypy.expose
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def post_multipart(self, file):
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"""Return a summary ("a * 65536\nb * 65536") of the uploaded
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file.
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"""
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contents = file.file.read()
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summary = []
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curchar = None
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count = 0
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for c in contents:
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if c == curchar:
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count += 1
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else:
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if count:
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if six.PY3:
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curchar = chr(curchar)
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summary.append('%s * %d' % (curchar, count))
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count = 1
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curchar = c
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if count:
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if six.PY3:
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curchar = chr(curchar)
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summary.append('%s * %d' % (curchar, count))
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return ', '.join(summary)
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@cherrypy.expose
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def post_filename(self, myfile):
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'''Return the name of the file which was uploaded.'''
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return myfile.filename
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cherrypy.tree.mount(Root())
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cherrypy.config.update({'server.max_request_body_size': 30000000})
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def test_no_content_length(self):
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# "The presence of a message-body in a request is signaled by the
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# inclusion of a Content-Length or Transfer-Encoding header field in
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# the request's message-headers."
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#
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# Send a message with neither header and no body. Even though
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# the request is of method POST, this should be OK because we set
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# request.process_request_body to False for our handler.
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c = self.make_connection()
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c.request('POST', '/no_body')
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response = c.getresponse()
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self.body = response.fp.read()
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self.status = str(response.status)
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self.assertStatus(200)
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self.assertBody(ntob('Hello world!'))
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# Now send a message that has no Content-Length, but does send a body.
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# Verify that CP times out the socket and responds
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# with 411 Length Required.
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if self.scheme == 'https':
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c = HTTPSConnection('%s:%s' % (self.interface(), self.PORT))
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else:
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c = HTTPConnection('%s:%s' % (self.interface(), self.PORT))
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# `_get_content_length` is needed for Python 3.6+
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with mock.patch.object(c, '_get_content_length', lambda body, method: None, create=True):
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# `_set_content_length` is needed for Python 2.7-3.5
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with mock.patch.object(c, '_set_content_length', create=True):
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c.request('POST', '/')
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response = c.getresponse()
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self.body = response.fp.read()
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self.status = str(response.status)
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self.assertStatus(411)
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def test_post_multipart(self):
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alphabet = 'abcdefghijklmnopqrstuvwxyz'
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# generate file contents for a large post
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contents = ''.join([c * 65536 for c in alphabet])
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# encode as multipart form data
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files = [('file', 'file.txt', contents)]
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content_type, body = encode_multipart_formdata(files)
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body = body.encode('Latin-1')
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# post file
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c = self.make_connection()
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c.putrequest('POST', '/post_multipart')
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c.putheader('Content-Type', content_type)
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c.putheader('Content-Length', str(len(body)))
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c.endheaders()
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c.send(body)
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response = c.getresponse()
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self.body = response.fp.read()
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self.status = str(response.status)
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self.assertStatus(200)
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self.assertBody(', '.join(['%s * 65536' % c for c in alphabet]))
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def test_post_filename_with_special_characters(self):
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'''Testing that we can handle filenames with special characters. This
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was reported as a bug in:
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https://github.com/cherrypy/cherrypy/issues/1146/
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https://github.com/cherrypy/cherrypy/issues/1397'''
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# We'll upload a bunch of files with differing names.
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fnames = ['boop.csv', 'foo, bar.csv', 'bar, xxxx.csv', 'file"name.csv',
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'file;name.csv', 'file; name.csv']
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for fname in fnames:
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files = [('myfile', fname, 'yunyeenyunyue')]
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content_type, body = encode_multipart_formdata(files)
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body = body.encode('Latin-1')
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# post file
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c = self.make_connection()
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c.putrequest('POST', '/post_filename')
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c.putheader('Content-Type', content_type)
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c.putheader('Content-Length', str(len(body)))
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c.endheaders()
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c.send(body)
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response = c.getresponse()
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self.body = response.fp.read()
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self.status = str(response.status)
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self.assertStatus(200)
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self.assertBody(fname)
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def test_malformed_request_line(self):
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if getattr(cherrypy.server, 'using_apache', False):
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return self.skip('skipped due to known Apache differences...')
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# Test missing version in Request-Line
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c = self.make_connection()
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c._output(ntob('GET /'))
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c._send_output()
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if hasattr(c, 'strict'):
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response = c.response_class(c.sock, strict=c.strict, method='GET')
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else:
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# Python 3.2 removed the 'strict' feature, saying:
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# "http.client now always assumes HTTP/1.x compliant servers."
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response = c.response_class(c.sock, method='GET')
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response.begin()
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self.assertEqual(response.status, 400)
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self.assertEqual(response.fp.read(22), ntob('Malformed Request-Line'))
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c.close()
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def test_request_line_split_issue_1220(self):
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Request_URI = (
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'/index?intervenant-entreprise-evenement_classaction=evenement-mailremerciements'
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'&_path=intervenant-entreprise-evenement&intervenant-entreprise-evenement_action-id=19404'
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'&intervenant-entreprise-evenement_id=19404&intervenant-entreprise_id=28092'
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)
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self.assertEqual(len('GET %s HTTP/1.1\r\n' % Request_URI), 256)
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self.getPage(Request_URI)
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self.assertBody('Hello world!')
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def test_malformed_header(self):
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c = self.make_connection()
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c.putrequest('GET', '/')
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c.putheader('Content-Type', 'text/plain')
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# See https://github.com/cherrypy/cherrypy/issues/941
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c._output(ntob('Re, 1.2.3.4#015#012'))
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c.endheaders()
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response = c.getresponse()
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self.status = str(response.status)
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self.assertStatus(400)
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self.body = response.fp.read(20)
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self.assertBody('Illegal header line.')
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def test_http_over_https(self):
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if self.scheme != 'https':
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return self.skip('skipped (not running HTTPS)... ')
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# Try connecting without SSL.
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conn = HTTPConnection('%s:%s' % (self.interface(), self.PORT))
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conn.putrequest('GET', '/', skip_host=True)
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conn.putheader('Host', self.HOST)
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conn.endheaders()
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response = conn.response_class(conn.sock, method='GET')
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try:
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response.begin()
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self.assertEqual(response.status, 400)
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self.body = response.read()
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self.assertBody('The client sent a plain HTTP request, but this '
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'server only speaks HTTPS on this port.')
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except socket.error:
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e = sys.exc_info()[1]
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# "Connection reset by peer" is also acceptable.
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if e.errno != errno.ECONNRESET:
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raise
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def test_garbage_in(self):
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# Connect without SSL regardless of server.scheme
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c = HTTPConnection('%s:%s' % (self.interface(), self.PORT))
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c._output(ntob('gjkgjklsgjklsgjkljklsg'))
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c._send_output()
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response = c.response_class(c.sock, method='GET')
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try:
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response.begin()
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self.assertEqual(response.status, 400)
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self.assertEqual(response.fp.read(22),
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ntob('Malformed Request-Line'))
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c.close()
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except socket.error:
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e = sys.exc_info()[1]
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# "Connection reset by peer" is also acceptable.
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if e.errno != errno.ECONNRESET:
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raise
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