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Extract protocol and tcp server implementations into netlib.
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cortesi committed Jun 18, 2012
1 parent 7b9756f commit 1b1ccab
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Showing 9 changed files with 23 additions and 831 deletions.
3 changes: 1 addition & 2 deletions .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,5 @@ MANIFEST
*.swo
mitmproxyc
mitmdumpc
mitmplaybackc
mitmrecordc
netlib
.coverage
157 changes: 5 additions & 152 deletions libmproxy/flow.py
Original file line number Diff line number Diff line change
Expand Up @@ -21,11 +21,15 @@
import time
import tnetstring, filt, script, utils, encoding, proxy
from email.utils import parsedate_tz, formatdate, mktime_tz
import controller, version, certutils, protocol
from netlib import odict, protocol
import controller, version, certutils

HDR_FORM_URLENCODED = "application/x-www-form-urlencoded"
CONTENT_MISSING = 0

ODict = odict.ODict
ODictCaseless = odict.ODictCaseless


class ReplaceHooks:
def __init__(self):
Expand Down Expand Up @@ -117,157 +121,6 @@ def replay_request(self, f):
self._master.replay_request(f)


class ODict:
"""
A dictionary-like object for managing ordered (key, value) data.
"""
def __init__(self, lst=None):
self.lst = lst or []

def _kconv(self, s):
return s

def __eq__(self, other):
return self.lst == other.lst

def __getitem__(self, k):
"""
Returns a list of values matching key.
"""
ret = []
k = self._kconv(k)
for i in self.lst:
if self._kconv(i[0]) == k:
ret.append(i[1])
return ret

def _filter_lst(self, k, lst):
k = self._kconv(k)
new = []
for i in lst:
if self._kconv(i[0]) != k:
new.append(i)
return new

def __len__(self):
"""
Total number of (key, value) pairs.
"""
return len(self.lst)

def __setitem__(self, k, valuelist):
"""
Sets the values for key k. If there are existing values for this
key, they are cleared.
"""
if isinstance(valuelist, basestring):
raise ValueError("ODict valuelist should be lists.")
new = self._filter_lst(k, self.lst)
for i in valuelist:
new.append([k, i])
self.lst = new

def __delitem__(self, k):
"""
Delete all items matching k.
"""
self.lst = self._filter_lst(k, self.lst)

def __contains__(self, k):
for i in self.lst:
if self._kconv(i[0]) == self._kconv(k):
return True
return False

def add(self, key, value):
self.lst.append([key, str(value)])

def get(self, k, d=None):
if k in self:
return self[k]
else:
return d

def items(self):
return self.lst[:]

def _get_state(self):
return [tuple(i) for i in self.lst]

@classmethod
def _from_state(klass, state):
return klass([list(i) for i in state])

def copy(self):
"""
Returns a copy of this object.
"""
lst = copy.deepcopy(self.lst)
return self.__class__(lst)

def __repr__(self):
elements = []
for itm in self.lst:
elements.append(itm[0] + ": " + itm[1])
elements.append("")
return "\r\n".join(elements)

def in_any(self, key, value, caseless=False):
"""
Do any of the values matching key contain value?
If caseless is true, value comparison is case-insensitive.
"""
if caseless:
value = value.lower()
for i in self[key]:
if caseless:
i = i.lower()
if value in i:
return True
return False

def match_re(self, expr):
"""
Match the regular expression against each (key, value) pair. For
each pair a string of the following format is matched against:
"key: value"
"""
for k, v in self.lst:
s = "%s: %s"%(k, v)
if re.search(expr, s):
return True
return False

def replace(self, pattern, repl, *args, **kwargs):
"""
Replaces a regular expression pattern with repl in both keys and
values. Encoded content will be decoded before replacement, and
re-encoded afterwards.
Returns the number of replacements made.
"""
nlst, count = [], 0
for i in self.lst:
k, c = utils.safe_subn(pattern, repl, i[0], *args, **kwargs)
count += c
v, c = utils.safe_subn(pattern, repl, i[1], *args, **kwargs)
count += c
nlst.append([k, v])
self.lst = nlst
return count


class ODictCaseless(ODict):
"""
A variant of ODict with "caseless" keys. This version _preserves_ key
case, but does not consider case when setting or getting items.
"""
def _kconv(self, s):
return s.lower()


class decoded(object):
"""
Expand Down
182 changes: 0 additions & 182 deletions libmproxy/netlib.py

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