mirror of
https://github.com/Grasscutters/mitmproxy.git
synced 2024-11-27 02:24:18 +00:00
139 lines
4.9 KiB
Python
139 lines
4.9 KiB
Python
import cStringIO, urllib, time, sys, traceback
|
|
import odict
|
|
|
|
|
|
class ClientConn:
|
|
def __init__(self, address):
|
|
self.address = address
|
|
|
|
|
|
class Request:
|
|
def __init__(self, client_conn, scheme, method, path, headers, content):
|
|
self.scheme, self.method, self.path = scheme, method, path
|
|
self.headers, self.content = headers, content
|
|
self.client_conn = client_conn
|
|
|
|
|
|
def date_time_string():
|
|
"""Return the current date and time formatted for a message header."""
|
|
WEEKS = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
|
|
MONTHS = [None,
|
|
'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
|
|
'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
|
|
now = time.time()
|
|
year, month, day, hh, mm, ss, wd, y, z = time.gmtime(now)
|
|
s = "%s, %02d %3s %4d %02d:%02d:%02d GMT" % (
|
|
WEEKS[wd],
|
|
day, MONTHS[month], year,
|
|
hh, mm, ss)
|
|
return s
|
|
|
|
|
|
class WSGIAdaptor:
|
|
def __init__(self, app, domain, port, sversion):
|
|
self.app, self.domain, self.port, self.sversion = app, domain, port, sversion
|
|
|
|
def make_environ(self, request, errsoc):
|
|
if '?' in request.path:
|
|
path_info, query = request.path.split('?', 1)
|
|
else:
|
|
path_info = request.path
|
|
query = ''
|
|
environ = {
|
|
'wsgi.version': (1, 0),
|
|
'wsgi.url_scheme': request.scheme,
|
|
'wsgi.input': cStringIO.StringIO(request.content),
|
|
'wsgi.errors': errsoc,
|
|
'wsgi.multithread': True,
|
|
'wsgi.multiprocess': False,
|
|
'wsgi.run_once': False,
|
|
'SERVER_SOFTWARE': self.sversion,
|
|
'REQUEST_METHOD': request.method,
|
|
'SCRIPT_NAME': '',
|
|
'PATH_INFO': urllib.unquote(path_info),
|
|
'QUERY_STRING': query,
|
|
'CONTENT_TYPE': request.headers.get('Content-Type', [''])[0],
|
|
'CONTENT_LENGTH': request.headers.get('Content-Length', [''])[0],
|
|
'SERVER_NAME': self.domain,
|
|
'SERVER_PORT': self.port,
|
|
# FIXME: We need to pick up the protocol read from the request.
|
|
'SERVER_PROTOCOL': "HTTP/1.1",
|
|
}
|
|
if request.client_conn.address:
|
|
environ["REMOTE_ADDR"], environ["REMOTE_PORT"] = request.client_conn.address
|
|
|
|
for key, value in request.headers.items():
|
|
key = 'HTTP_' + key.upper().replace('-', '_')
|
|
if key not in ('HTTP_CONTENT_TYPE', 'HTTP_CONTENT_LENGTH'):
|
|
environ[key] = value
|
|
return environ
|
|
|
|
def error_page(self, soc, headers_sent, s):
|
|
"""
|
|
Make a best-effort attempt to write an error page. If headers are
|
|
already sent, we just bung the error into the page.
|
|
"""
|
|
c = """
|
|
<html>
|
|
<h1>Internal Server Error</h1>
|
|
<pre>%s"</pre>
|
|
</html>
|
|
"""%s
|
|
if not headers_sent:
|
|
soc.write("HTTP/1.1 500 Internal Server Error\r\n")
|
|
soc.write("Content-Type: text/html\r\n")
|
|
soc.write("Content-Length: %s\r\n"%len(c))
|
|
soc.write("\r\n")
|
|
soc.write(c)
|
|
|
|
def serve(self, request, soc):
|
|
state = dict(
|
|
response_started = False,
|
|
headers_sent = False,
|
|
status = None,
|
|
headers = None
|
|
)
|
|
def write(data):
|
|
if not state["headers_sent"]:
|
|
soc.write("HTTP/1.1 %s\r\n"%state["status"])
|
|
h = state["headers"]
|
|
if 'server' not in h:
|
|
h["Server"] = [self.sversion]
|
|
if 'date' not in h:
|
|
h["Date"] = [date_time_string()]
|
|
soc.write(str(h))
|
|
soc.write("\r\n")
|
|
state["headers_sent"] = True
|
|
soc.write(data)
|
|
soc.flush()
|
|
|
|
def start_response(status, headers, exc_info=None):
|
|
if exc_info:
|
|
try:
|
|
if state["headers_sent"]:
|
|
raise exc_info[0], exc_info[1], exc_info[2]
|
|
finally:
|
|
exc_info = None
|
|
elif state["status"]:
|
|
raise AssertionError('Response already started')
|
|
state["status"] = status
|
|
state["headers"] = odict.ODictCaseless(headers)
|
|
return write
|
|
|
|
errs = cStringIO.StringIO()
|
|
try:
|
|
dataiter = self.app(self.make_environ(request, errs), start_response)
|
|
for i in dataiter:
|
|
write(i)
|
|
if not state["headers_sent"]:
|
|
write("")
|
|
except Exception, v:
|
|
try:
|
|
s = traceback.format_exc()
|
|
self.error_page(soc, state["headers_sent"], s)
|
|
except Exception, v: # pragma: no cover
|
|
pass # pragma: no cover
|
|
return errs.getvalue()
|
|
|
|
|