1
0
mirror of https://github.com/webrecorder/pywb.git synced 2025-03-24 06:59:52 +01:00
pywb/urlrewrite/rewriteinputreq.py

86 lines
2.4 KiB
Python

from webagg.inputrequest import DirectWSGIInputRequest
from pywb.utils.loaders import extract_client_cookie
from six import iteritems
from six.moves.urllib.parse import urlsplit
#=============================================================================
class RewriteInputRequest(DirectWSGIInputRequest):
def __init__(self, env, urlkey, url, rewriter):
super(RewriteInputRequest, self).__init__(env)
self.urlkey = urlkey
self.url = url
self.rewriter = rewriter
self.splits = urlsplit(self.url)
def get_full_request_uri(self):
uri = self.splits.path
if self.splits.query:
uri += '?' + self.splits.query
return uri
def get_req_headers(self):
headers = {}
has_cookies = False
for name, value in iteritems(self.env):
if name == 'HTTP_HOST':
name = 'Host'
value = self.splits.netloc
elif name == 'HTTP_ORIGIN':
name = 'Origin'
value = (self.splits.scheme + '://' + self.splits.netloc)
elif name == 'HTTP_X_CSRFTOKEN':
name = 'X-CSRFToken'
cookie_val = extract_client_cookie(env, 'csrftoken')
if cookie_val:
value = cookie_val
elif name == 'HTTP_X_FORWARDED_PROTO':
name = 'X-Forwarded-Proto'
value = self.splits.scheme
elif name == 'HTTP_COOKIE':
name = 'Cookie'
value = self._req_cookie_rewrite(value)
has_cookies = True
elif name.startswith('HTTP_'):
name = name[5:].title().replace('_', '-')
elif name in ('CONTENT_LENGTH', 'CONTENT_TYPE'):
name = name.title().replace('_', '-')
else:
value = None
if value:
headers[name] = value
if not has_cookies:
value = self._req_cookie_rewrite('')
if value:
headers['Cookie'] = value
return headers
def _req_cookie_rewrite(self, value):
rule = self.rewriter.ruleset.get_first_match(self.urlkey)
if not rule or not rule.req_cookie_rewrite:
return value
for cr in rule.req_cookie_rewrite:
try:
value = cr['rx'].sub(cr['replace'], value)
except KeyError:
pass
return value