diff options
Diffstat (limited to 'Lib/urllib.py')
| -rw-r--r-- | Lib/urllib.py | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/Lib/urllib.py b/Lib/urllib.py index 9c1f5b7..2b521b8 100644 --- a/Lib/urllib.py +++ b/Lib/urllib.py @@ -269,6 +269,9 @@ class URLopener: user_passwd, realhost = splituser(realhost) if user_passwd: selector = "%s://%s%s" % (urltype, realhost, rest) + if proxy_bypass(realhost): + host = realhost + #print "proxy via http:", host, selector if not host: raise IOError, ('http error', 'no host given') if user_passwd: @@ -1252,6 +1255,9 @@ if os.name == 'mac': # Gopher: XXXX To be done. return proxies + def proxy_bypass(x): + return 0 + elif os.name == 'nt': def getproxies_registry(): """Return a dictionary of scheme -> proxy server URL mappings. @@ -1302,10 +1308,66 @@ elif os.name == 'nt': """ return getproxies_environment() or getproxies_registry() + + def proxy_bypass(host): + try: + import _winreg + import re + import socket + except ImportError: + # Std modules, so should be around - but you never know! + return 0 + try: + internetSettings = _winreg.OpenKey(_winreg.HKEY_CURRENT_USER, + r'Software\Microsoft\Windows\CurrentVersion\Internet Settings') + proxyEnable = _winreg.QueryValueEx(internetSettings, + 'ProxyEnable')[0] + proxyOverride = str(_winreg.QueryValueEx(internetSettings, + 'ProxyOverride')[0]) + # ^^^^ Returned as Unicode but problems if not converted to ASCII + except WindowsError: + return 0 + if not proxyEnable or not proxyOverride: + return 0 + # try to make a host list from name and IP address. + host = [host] + try: + addr = socket.gethostbyname(host[0]) + if addr != host: + host.append(addr) + except socket.error: + pass + # make a check value list from the registry entry: replace the + # '<local>' string by the localhost entry and the corresponding + # canonical entry. + proxyOverride = proxyOverride.split(';') + i = 0 + while i < len(proxyOverride): + if proxyOverride[i] == '<local>': + proxyOverride[i:i+1] = ['localhost', + '127.0.0.1', + socket.gethostname(), + socket.gethostbyname( + socket.gethostname())] + i += 1 + # print proxyOverride + # now check if we match one of the registry values. + for test in proxyOverride: + test = test.replace(".", r"\.") # mask dots + test = test.replace("*", r".*") # change glob sequence + test = test.replace("?", r".") # change glob char + for val in host: + # print "%s <--> %s" %( test, val ) + if re.match(test, val, re.I): + return 1 + return 0 + else: # By default use environment variables getproxies = getproxies_environment + def proxy_bypass(host): + return 0 # Test and time quote() and unquote() def test1(): |