def decode_furl(furl):
"""Returns (encrypted, tubID, location_hints, name)"""
# pb://key@{ip:port,host:port,[ipv6]:port}[/unix]/swissnumber
# i.e. pb://tubID@{locationHints..}/name
#
# it can live at any one of a (TODO) variety of network-accessible
# locations, or (TODO) at a single UNIX-domain socket.
#
# there is also an unauthenticated form, which does not have a TubID
mo_auth_furl = AUTH_STURDYREF_RE.search(furl)
mo_nonauth_furl = NONAUTH_STURDYREF_RE.search(furl)
if mo_auth_furl:
encrypted = True
# we only pay attention to the first 32 base32 characters
# of the tubid string. Everything else is left for future
# extensions.
tubID_s = mo_auth_furl.group(1)
tubID = tubID_s[:32]
if not base32.is_base32(tubID):
raise BadFURLError("'%s' is not a valid tubid" % (tubID,))
hints = mo_auth_furl.group(2)
location_hints = decode_location_hints(hints)
name = mo_auth_furl.group(3)
elif mo_nonauth_furl:
encrypted = False
tubID = None
hints = mo_nonauth_furl.group(1)
location_hints = decode_location_hints(hints)
name = mo_nonauth_furl.group(2)
else:
raise ValueError("unknown FURL prefix in %r" % (furl,))
return (encrypted, tubID, location_hints, name)
def decode_furl(furl):
"""Returns (tubID, location_hints, name)"""
# pb://key@{ip:port,host:port,[ipv6]:port}[/unix]/swissnumber
# i.e. pb://tubID@{locationHints..}/name
#
# it can live at any one of a (TODO) variety of network-accessible
# locations, or (TODO) at a single UNIX-domain socket.
mo_auth_furl = AUTH_STURDYREF_RE.search(furl)
if mo_auth_furl:
# we only pay attention to the first 32 base32 characters
# of the tubid string. Everything else is left for future
# extensions.
tubID_s = mo_auth_furl.group(1)
tubID = tubID_s[:32]
if not base32.is_base32(tubID):
raise BadFURLError("'%s' is not a valid tubid" % (tubID,))
hints = mo_auth_furl.group(2)
location_hints = hints.split(",")
if location_hints == [""]:
location_hints = []
if "" in location_hints:
raise BadFURLError("no connection hint may be empty")
# it is legal to have no hints at all: an empty string turns into an
# empty list
name = mo_auth_furl.group(3)
else:
raise ValueError("unknown FURL prefix in %r" % (furl,))
return (tubID, location_hints, name)
def decode_furl(furl):
"""Returns (tubID, location_hints, name)"""
# pb://key@{ip:port,host:port,[ipv6]:port}[/unix]/swissnumber
# i.e. pb://tubID@{locationHints..}/name
#
# it can live at any one of a (TODO) variety of network-accessible
# locations, or (TODO) at a single UNIX-domain socket.
mo_auth_furl = AUTH_STURDYREF_RE.search(furl)
if mo_auth_furl:
# we only pay attention to the first 32 base32 characters
# of the tubid string. Everything else is left for future
# extensions.
tubID_s = mo_auth_furl.group(1)
tubID = tubID_s[:32]
if not base32.is_base32(tubID):
raise BadFURLError("'%s' is not a valid tubid" % (tubID, ))
hints = mo_auth_furl.group(2)
location_hints = hints.split(",")
if location_hints == [""]:
location_hints = []
if "" in location_hints:
raise BadFURLError("no connection hint may be empty")
# it is legal to have no hints at all: an empty string turns into an
# empty list
name = mo_auth_furl.group(3)
else:
raise ValueError("unknown FURL prefix in %r" % (furl, ))
return (tubID, location_hints, name)
def decode_furl(furl):
"""Returns (encrypted, tubID, location_hints, name)"""
# pb://key@{ip:port,host:port,[ipv6]:port}[/unix]/swissnumber
# i.e. pb://tubID@{locationHints..}/name
#
# it can live at any one of a (TODO) variety of network-accessible
# locations, or (TODO) at a single UNIX-domain socket.
#
# there is also an unauthenticated form, which does not have a TubID
mo_auth_furl = AUTH_STURDYREF_RE.search(furl)
mo_nonauth_furl = NONAUTH_STURDYREF_RE.search(furl)
if mo_auth_furl:
encrypted = True
# we only pay attention to the first 32 base32 characters
# of the tubid string. Everything else is left for future
# extensions.
tubID_s = mo_auth_furl.group(1)
tubID = tubID_s[:32]
if not base32.is_base32(tubID):
raise BadFURLError("'%s' is not a valid tubid" % (tubID,))
hints = mo_auth_furl.group(2)
location_hints = decode_location_hints(hints)
name = mo_auth_furl.group(3)
elif mo_nonauth_furl:
encrypted = False
tubID = None
hints = mo_nonauth_furl.group(1)
location_hints = decode_location_hints(hints)
name = mo_nonauth_furl.group(2)
else:
raise ValueError("unknown FURL prefix in %r" % (furl,))
return (encrypted, tubID, location_hints, name)
def test_is_base32(self):
self.failUnless(base32.is_base32("abc456"))
self.failUnless(base32.is_base32("456"))
self.failUnless(base32.is_base32(""))
self.failIf(base32.is_base32("123")) # 1 is not in rfc4648 base32
self.failIf(base32.is_base32(".123"))
self.failIf(base32.is_base32("_"))
self.failIf(base32.is_base32("a b c"))
def test_is_base32(self):
self.assertTrue(base32.is_base32("abc456"))
self.assertTrue(base32.is_base32("456"))
self.assertTrue(base32.is_base32(""))
self.assertFalse(base32.is_base32("123")) # 1 is not in rfc4648 base32
self.assertFalse(base32.is_base32(".123"))
self.assertFalse(base32.is_base32("_"))
self.assertFalse(base32.is_base32("a b c"))
def test_is_base32(self):
self.failUnless(base32.is_base32("abc456"))
self.failUnless(base32.is_base32("456"))
self.failUnless(base32.is_base32(""))
self.failIf(base32.is_base32("123")) # 1 is not in rfc4648 base32
self.failIf(base32.is_base32(".123"))
self.failIf(base32.is_base32("_"))
self.failIf(base32.is_base32("a b c"))
