import binascii
import io
import json
import os
import re
import select
import socket
import time
import pytest
from conftest import option
from unit.main import TestUnit
class TestHTTP(TestUnit):
def http(self, start_str, **kwargs):
sock_type = kwargs.get('sock_type', 'ipv4')
port = kwargs.get('port', 7080)
url = kwargs.get('url', '/')
http = 'HTTP/1.0' if 'http_10' in kwargs else 'HTTP/1.1'
headers = kwargs.get('headers',
{'Host': 'localhost', 'Connection': 'close'})
body = kwargs.get('body', b'')
crlf = '\r\n'
if 'addr' not in kwargs:
addr = '::1' if sock_type == 'ipv6' else '127.0.0.1'
else:
addr = kwargs['addr']
sock_types = {
'ipv4': socket.AF_INET,
'ipv6': socket.AF_INET6,
'unix': socket.AF_UNIX,
}
if 'sock' not in kwargs:
sock = socket.socket(sock_types[sock_type], socket.SOCK_STREAM)
if (
sock_type == sock_types['ipv4']
or sock_type == sock_types['ipv6']
):
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
if 'wrapper' in kwargs:
sock = kwargs['wrapper'](sock)
connect_args = addr if sock_type == 'unix' else (addr, port)
try:
sock.connect(connect_args)
except ConnectionRefusedError:
sock.close()
pytest.fail('Client can\'t connect to the server.')
else:
sock = kwargs['sock']
if 'raw' not in kwargs:
req = ' '.join([start_str, url, http]) + crlf
if body != b'':
if isinstance(body, str):
body = body.encode()
elif isinstance(body, dict):
body, content_type = self.form_encode(body)
headers['Content-Type'] = content_type
if 'Content-Length' not in headers:
headers['Content-Length'] = len(body)
for header, value in headers.items():
if isinstance(value, list):
for v in value:
req += header + ': ' + str(v) + crlf
else:
req += header + ': ' + str(value) + crlf
req = (req + crlf).encode() + body
else:
req = start_str
sock.sendall(req)
encoding = kwargs.get('encoding', 'utf-8')
self.log_out(req, encoding)
resp = ''
if 'no_recv' not in kwargs:
recvall_kwargs = {}
if 'read_timeout' in kwargs:
recvall_kwargs['read_timeout'] = kwargs['read_timeout']
if 'read_buffer_size' in kwargs:
recvall_kwargs['buff_size'] = kwargs['read_buffer_size']
resp = self.recvall(sock, **recvall_kwargs).decode(encoding)
self.log_in(resp)
if 'raw_resp' not in kwargs:
resp = self._resp_to_dict(resp)
headers = resp.get('headers')
if headers and headers.get('Transfer-Encoding') == 'chunked':
resp['body'] = self._parse_chunked_body(resp['body']).decode(
encoding
)
if 'json' in kwargs:
resp = self._parse_json(resp)
if 'start' not in kwargs:
sock.close()
return resp
return (resp, sock)
def log_out(self, log, encoding):
if option.detailed:
print('>>>')
log = self.log_truncate(log)
try:
print(log.decode(encoding, 'ignore'))
except UnicodeEncodeError:
print(log)
def log_in(self, log):
if option.detailed:
print('<<<')
log = self.log_truncate(log)
try:
print(log)
except UnicodeEncodeError:
print(log.encode())
def log_truncate(self, log, limit=1024):
len_log = len(log)
if len_log > limit:
log = log[:limit]
appendix = '(...logged %s of %s bytes)' % (limit, len_log)
if isinstance(log, bytes):
appendix = appendix.encode()
log = log + appendix
return log
def delete(self, **kwargs):
return self.http('DELETE', **kwargs)
def get(self, **kwargs):
return self.http('GET', **kwargs)
def head(self, **kwargs):
return self.http('HEAD', **kwargs)
def post(self, **kwargs):
return self.http('POST', **kwargs)
def put(self, **kwargs):
return self.http('PUT', **kwargs)
def recvall(self, sock, **kwargs):
timeout_default = 60
timeout = kwargs.get('read_timeout', timeout_default)
buff_size = kwargs.get('buff_size', 4096)
data = b''
while True:
rlist = select.select([sock], [], [], timeout)[0]
if not rlist:
# For all current cases if the "read_timeout" was changed
# than test do not expect to get a response from server.
if timeout == timeout_default:
pytest.fail('Can\'t read response from server.')
break
try:
part = sock.recv(buff_size)
except:
break
data += part
if not len(part):
break
return data
def _resp_to_dict(self, resp):
m = re.search(r'(.*?\x0d\x0a?)\x0d\x0a?(.*)', resp, re.M | re.S)
if not m:
return {}
headers_text, body = m.group(1), m.group(2)
p = re.compile('(.*?)\x0d\x0a?', re.M | re.S)
headers_lines = p.findall(headers_text)
status = re.search(
r'^HTTP\/\d\.\d\s(\d+)|$', headers_lines.pop(0)
).group(1)
headers = {}
for line in headers_lines:
m = re.search(r'(.*)\:\s(.*)', line)
if m.group(1) not in headers:
headers[m.group(1)] = m.group(2)
elif isinstance(headers[m.group(1)], list):
headers[m.group(1)].append(m.group(2))
else:
headers[m.group(1)] = [headers[m.group(1)], m.group(2)]
return {'status': int(status), 'headers': headers, 'body': body}
def _parse_chunked_body(self, raw_body):
if isinstance(raw_body, str):
raw_body = bytes(raw_body.encode())
crlf = b'\r\n'
chunks = raw_body.split(crlf)
if len(chunks) < 3:
pytest.fail('Invalid chunked body')
if chunks.pop() != b'':
pytest.fail('No CRLF at the end of the body')
try:
last_size = int(chunks[-2], 16)
except:
pytest.fail('Invalid zero size chunk')
if last_size != 0 or chunks[-1] != b'':
pytest.fail('Incomplete body')
body = b''
while len(chunks) >= 2:
try:
size = int(chunks.pop(0), 16)
except:
pytest.fail('Invalid chunk size %s' % str(size))
if size == 0:
assert len(chunks) == 1, 'last zero size'
break
temp_body = crlf.join(chunks)
body += temp_body[:size]
temp_body = temp_body[size + len(crlf) :]
chunks = temp_body.split(crlf)
return body
def _parse_json(self, resp):
headers = resp['headers']
assert 'Content-Type' in headers
assert headers['Content-Type'] == 'application/json'
resp['body'] = json.loads(resp['body'])
return resp
def getjson(self, **kwargs):
return self.get(json=True, **kwargs)
def waitforsocket(self, port):
ret = False
for i in range(50):
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(('127.0.0.1', port))
ret = True
break
except:
sock.close()
time.sleep(0.1)
sock.close()
assert ret, 'socket connected'
def form_encode(self, fields):
is_multipart = False
for _, value in fields.items():
if isinstance(value, dict):
is_multipart = True
break
if is_multipart:
body, content_type = self.multipart_encode(fields)
else:
body, content_type = self.form_url_encode(fields)
return body, content_type
def form_url_encode(self, fields):
data = "&".join("%s=%s" % (name, value)
for name, value in fields.items()).encode()
return data, 'application/x-www-form-urlencoded'
def multipart_encode(self, fields):
boundary = binascii.hexlify(os.urandom(16)).decode('ascii')
body = ''
for field, value in fields.items():
filename = ''
datatype = ''
if isinstance(value, dict):
datatype = 'text/plain'
filename = value['filename']
if value.get('type'):
datatype = value['type']
if not isinstance(value['data'], io.IOBase):
pytest.fail('multipart encoding of file requires a stream.')
data = value['data'].read()
elif isinstance(value, str):
data = value
else:
pytest.fail('multipart requires a string or stream data')
body += (
"--%s\r\nContent-Disposition: form-data; name=\"%s\""
) % (boundary, field)
if filename != '':
body += "; filename=\"%s\"" % filename
body += "\r\n"
if datatype != '':
body += "Content-Type: %s\r\n" % datatype
body += "\r\n%s\r\n" % data
body += "--%s--\r\n" % boundary
return body.encode(), "multipart/form-data; boundary=%s" % boundary
