def checkQuery(self, query):
if not query:
return
key, value = [
i.strip().strip('"').strip("'") for i in splitvalue(query)
]
self.extra_info[key] = value
def extract_query(query_str):
querys = {}
for i in query_str.split('&'):
key_value = splitvalue(i)
querys[key_value[0]] = key_value[1]
return querys
def checkQuery(self, query):
BasicUserCookie.checkQuery(self, query)
if not query:
return
key, value = [i.strip().strip('"').strip("'") for i in splitvalue(query)]
if key == 'main_login':
self.main_login = value
elif 'openid' in key:
self.openid = value
elif 'appid' in key:
self.appid = value
elif 'access_token' in key:
self.access_token = value
elif 'vuserid' in key:
self.vuserid = value
elif 'vusession' in key:
self.vusession = value
def _parsePostedRequest(url):
"""
如果下载需要使用POST请求，将参数写入Request Body传给服务器。
url的形式类似：
http://www.xxx.com/getres?resid=xxx&arg=xxx
:return:
"""
__qindex = url.find("?")
if __qindex != -1:
reqURL = url[0:__qindex]
reqParams = url[__qindex + 1:]
reqParamsData = {}
for attr_str in reqParams.split("&"):
attrs = parse.splitvalue(attr_str)
reqParamsData[attrs[0]] = attrs[1]
return reqURL, parse.urlencode(reqParamsData).encode("utf-8")
return url, ""
def open_ftp(self, url):
"""Use FTP protocol."""
if not isinstance(url, str):
raise IOError(
'ftp error',
'proxy support for ftp protocol currently not implemented')
import mimetypes, mimetools
try:
from io import StringIO
except ImportError:
from io import StringIO
host, path = splithost(url)
if not host: raise IOError('ftp error', 'no host given')
host, port = splitport(host)
user, host = splituser(host)
if user: user, passwd = splitpasswd(user)
else: passwd = None
host = unquote(host)
user = unquote(user or '')
passwd = unquote(passwd or '')
host = socket.gethostbyname(host)
if not port:
from eventlib.green import ftplib
port = ftplib.FTP_PORT
else:
port = int(port)
path, attrs = splitattr(path)
path = unquote(path)
dirs = path.split('/')
dirs, file = dirs[:-1], dirs[-1]
if dirs and not dirs[0]: dirs = dirs[1:]
if dirs and not dirs[0]: dirs[0] = '/'
key = user, host, port, '/'.join(dirs)
# XXX thread unsafe!
if len(self.ftpcache) > MAXFTPCACHE:
# Prune the cache, rather arbitrarily
for k in list(self.ftpcache.keys()):
if k != key:
v = self.ftpcache[k]
del self.ftpcache[k]
v.close()
try:
if not key in self.ftpcache:
self.ftpcache[key] = \
ftpwrapper(user, passwd, host, port, dirs)
if not file: type = 'D'
else: type = 'I'
for attr in attrs:
attr, value = splitvalue(attr)
if attr.lower() == 'type' and \
value in ('a', 'A', 'i', 'I', 'd', 'D'):
type = value.upper()
(fp, retrlen) = self.ftpcache[key].retrfile(file, type)
mtype = mimetypes.guess_type("ftp:" + url)[0]
headers = ""
if mtype:
headers += "Content-Type: %s\n" % mtype
if retrlen is not None and retrlen >= 0:
headers += "Content-Length: %d\n" % retrlen
headers = mimetools.Message(StringIO(headers))
return addinfourl(fp, headers, "ftp:" + url)
except ftperrors() as msg:
raise IOError('ftp error', msg).with_traceback(sys.exc_info()[2])
def ftp_open(self, req):
"""
When ftp requests are made using this handler, this function gets
called at some point, and it in turn calls the ``connect_ftp`` method.
In this subclass's reimplementation of ``connect_ftp``, the FQDN of
the request's host is needed for looking up login credentials in the
password manager. However, by the time ``connect_ftp`` is called, that
information has been stripped away, and the host argument passed to
``connect_ftp`` contains only the host's IP address instead of the
FQDN. This reimplementation of ``ftp_open``, which is little more than
a copy-and-paste from the superclass's implementation, captures the
original host FQDN before it is replaced with the IP address and saves
it for later use.
This reimplementation also ensures that the file size appears in the
response header by querying for it directly. For some FTP servers the
original implementation should handle this (``retrlen`` should contain
the file size). However, for others this can fail silently due to the
server response not matching an anticipated regular expression.
"""
import sys
import email
import socket
from urllib.error import URLError
from urllib.parse import splitattr, splitpasswd, splitvalue
from urllib.response import addinfourl
####################################################
# COPIED FROM FTPHandler.ftp_open (PYTHON 3.6.6) #
# WITH JUST A FEW ADDITIONS #
####################################################
import ftplib
import mimetypes
host = req.host
if not host:
raise URLError('ftp error: no host given')
host, port = splitport(host)
if port is None:
port = ftplib.FTP_PORT
else:
port = int(port)
# username/password handling
user, host = splituser(host)
if user:
user, passwd = splitpasswd(user)
else:
passwd = None
host = unquote(host)
user = user or ''
passwd = passwd or ''
############################################
# DIFFERENT FROM FTPHandler.ftp_open
# save the host FQDN for later
self.last_req_host = host
############################################
try:
host = socket.gethostbyname(host)
except OSError as msg:
raise URLError(msg)
path, attrs = splitattr(req.selector)
dirs = path.split('/')
dirs = list(map(unquote, dirs))
dirs, file = dirs[:-1], dirs[-1]
if dirs and not dirs[0]:
dirs = dirs[1:]
try:
fw = self.connect_ftp(user, passwd, host, port, dirs, req.timeout)
type = file and 'I' or 'D'
for attr in attrs:
attr, value = splitvalue(attr)
if attr.lower() == 'type' and \
value in ('a', 'A', 'i', 'I', 'd', 'D'):
type = value.upper()
############################################
# DIFFERENT FROM FTPHandler.ftp_open
size = fw.ftp.size(file)
############################################
fp, retrlen = fw.retrfile(file, type)
headers = ""
mtype = mimetypes.guess_type(req.full_url)[0]
if mtype:
headers += "Content-type: %s\n" % mtype
if retrlen is not None and retrlen >= 0:
headers += "Content-length: %d\n" % retrlen
############################################
# DIFFERENT FROM FTPHandler.ftp_open
elif size is not None and size >= 0:
headers += "Content-length: %d\n" % size
############################################
headers = email.message_from_string(headers)
return addinfourl(fp, headers, req.full_url)
except ftplib.all_errors as exp:
exc = URLError('ftp error: %r' % exp)
raise exc.with_traceback(sys.exc_info()[2])
