def test_immutable(self):
readkey = "\x01" * 16
uri_extension_hash = hashutil.uri_extension_hash("stuff")
needed_shares = 3
total_shares = 10
size = 1234
fnuri = uri.CHKFileURI(key=readkey,
uri_extension_hash=uri_extension_hash,
needed_shares=needed_shares,
total_shares=total_shares,
size=size)
fncap = fnuri.to_string()
self.failUnlessReallyEqual(fncap, "URI:CHK:aeaqcaibaeaqcaibaeaqcaibae:nf3nimquen7aeqm36ekgxomalstenpkvsdmf6fplj7swdatbv5oa:3:10:1234")
u1 = uri.ImmutableDirectoryURI(fnuri)
self.failUnless(u1.is_readonly())
self.failIf(u1.is_mutable())
self.failUnless(IURI.providedBy(u1))
self.failIf(IFileURI.providedBy(u1))
self.failUnless(IDirnodeURI.providedBy(u1))
self.failUnless("DirectoryURI" in str(u1))
u1_filenode = u1.get_filenode_cap()
self.failIf(u1_filenode.is_mutable())
self.failUnless(u1_filenode.is_readonly())
self.failUnlessReallyEqual(u1_filenode.to_string(), fncap)
self.failUnless(str(u1))
u2 = uri.from_string(u1.to_string())
self.failUnlessReallyEqual(u1.to_string(), u2.to_string())
self.failUnless(u2.is_readonly())
self.failIf(u2.is_mutable())
self.failUnless(IURI.providedBy(u2))
self.failIf(IFileURI.providedBy(u2))
self.failUnless(IDirnodeURI.providedBy(u2))
u2i = uri.from_string(u1.to_string(), deep_immutable=True)
self.failUnlessReallyEqual(u1.to_string(), u2i.to_string())
u3 = u2.get_readonly()
self.failUnlessReallyEqual(u3.to_string(), u2.to_string())
self.failUnless(str(u3))
u3i = uri.from_string(u2.to_string(), deep_immutable=True)
self.failUnlessReallyEqual(u2.to_string(), u3i.to_string())
u2_verifier = u2.get_verify_cap()
self.failUnless(isinstance(u2_verifier,
uri.ImmutableDirectoryURIVerifier),
u2_verifier)
self.failUnless(IVerifierURI.providedBy(u2_verifier))
u2vs = u2_verifier.to_string()
# URI:DIR2-CHK-Verifier:$key:$ueb:$k:$n:$size
self.failUnless(u2vs.startswith("URI:DIR2-CHK-Verifier:"), u2vs)
u2_verifier_fileuri = u2_verifier.get_filenode_cap()
self.failUnless(IVerifierURI.providedBy(u2_verifier_fileuri))
u2vfs = u2_verifier_fileuri.to_string()
# URI:CHK-Verifier:$key:$ueb:$k:$n:$size
self.failUnlessReallyEqual(u2vfs, fnuri.get_verify_cap().to_string())
self.failUnlessReallyEqual(u2vs[len("URI:DIR2-"):], u2vfs[len("URI:"):])
self.failUnless(str(u2_verifier))
def test_writeable_mdmf_cap(self):
u1 = uri.WriteableMDMFFileURI(self.writekey, self.fingerprint)
cap = u1.to_string()
u = uri.WriteableMDMFFileURI.init_from_string(cap)
self.failUnless(IMutableFileURI.providedBy(u))
self.failUnlessReallyEqual(u.fingerprint, self.fingerprint)
self.failUnlessReallyEqual(u.writekey, self.writekey)
self.failUnless(u.is_mutable())
self.failIf(u.is_readonly())
self.failUnlessEqual(cap, u.to_string())
# Now get a readonly cap from the writeable cap, and test that it
# degrades gracefully.
ru = u.get_readonly()
self.failUnlessReallyEqual(self.readkey, ru.readkey)
self.failUnlessReallyEqual(self.fingerprint, ru.fingerprint)
self.failUnless(ru.is_mutable())
self.failUnless(ru.is_readonly())
# Now get a verifier cap.
vu = ru.get_verify_cap()
self.failUnlessReallyEqual(self.storage_index, vu.storage_index)
self.failUnlessReallyEqual(self.fingerprint, vu.fingerprint)
self.failUnless(IVerifierURI.providedBy(vu))
def __init__(self, readbucketproxy, verifycap, fetch_failures=None):
# fetch_failures is for debugging -- see test_encode.py
self._fetch_failures = fetch_failures
self._readbucketproxy = readbucketproxy
precondition(IVerifierURI.providedBy(verifycap), verifycap)
self._verifycap = verifycap
# required
self.segment_size = None
self.crypttext_root_hash = None
self.share_root_hash = None
# computed
self.block_size = None
self.share_size = None
self.num_segments = None
self.tail_data_size = None
self.tail_segment_size = None
# optional
self.crypttext_hash = None
def __init__(self, readbucketproxy, verifycap, fetch_failures=None):
# fetch_failures is for debugging -- see test_encode.py
self._fetch_failures = fetch_failures
self._readbucketproxy = readbucketproxy
precondition(IVerifierURI.providedBy(verifycap), verifycap)
self._verifycap = verifycap
# required
self.segment_size = None
self.crypttext_root_hash = None
self.share_root_hash = None
# computed
self.block_size = None
self.share_size = None
self.num_segments = None
self.tail_data_size = None
self.tail_segment_size = None
# optional
self.crypttext_hash = None
def from_string_verifier(s, **kwargs):
u = from_string(s, **kwargs)
_assert(IVerifierURI.providedBy(u))
return u
def __init__(self, filenode_uri=None):
if filenode_uri:
_assert(IVerifierURI.providedBy(filenode_uri))
self._filenode_uri = filenode_uri
def from_string_verifier(s, **kwargs):
u = from_string(s, **kwargs)
_assert(IVerifierURI.providedBy(u))
return u
def __init__(self, filenode_uri=None):
if filenode_uri:
_assert(IVerifierURI.providedBy(filenode_uri))
self._filenode_uri = filenode_uri
def test_pack(self):
writekey = "\x01" * 16
fingerprint = "\x02" * 32
n = uri.WriteableSSKFileURI(writekey, fingerprint)
u1 = uri.DirectoryURI(n)
self.failIf(u1.is_readonly())
self.failUnless(u1.is_mutable())
self.failUnless(IURI.providedBy(u1))
self.failIf(IFileURI.providedBy(u1))
self.failUnless(IDirnodeURI.providedBy(u1))
self.failUnless("DirectoryURI" in str(u1))
u1_filenode = u1.get_filenode_cap()
self.failUnless(u1_filenode.is_mutable())
self.failIf(u1_filenode.is_readonly())
u2 = uri.from_string(u1.to_string())
self.failUnlessReallyEqual(u1.to_string(), u2.to_string())
self.failIf(u2.is_readonly())
self.failUnless(u2.is_mutable())
self.failUnless(IURI.providedBy(u2))
self.failIf(IFileURI.providedBy(u2))
self.failUnless(IDirnodeURI.providedBy(u2))
u2i = uri.from_string(u1.to_string(), deep_immutable=True)
self.failUnless(isinstance(u2i, uri.UnknownURI))
u3 = u2.get_readonly()
self.failUnless(u3.is_readonly())
self.failUnless(u3.is_mutable())
self.failUnless(IURI.providedBy(u3))
self.failIf(IFileURI.providedBy(u3))
self.failUnless(IDirnodeURI.providedBy(u3))
u3i = uri.from_string(u2.to_string(), deep_immutable=True)
self.failUnless(isinstance(u3i, uri.UnknownURI))
u3n = u3._filenode_uri
self.failUnless(u3n.is_readonly())
self.failUnless(u3n.is_mutable())
u3_filenode = u3.get_filenode_cap()
self.failUnless(u3_filenode.is_mutable())
self.failUnless(u3_filenode.is_readonly())
u3a = uri.from_string(u3.to_string())
self.failUnlessIdentical(u3a, u3a.get_readonly())
u4 = uri.ReadonlyDirectoryURI(u2._filenode_uri.get_readonly())
self.failUnlessReallyEqual(u4.to_string(), u3.to_string())
self.failUnless(u4.is_readonly())
self.failUnless(u4.is_mutable())
self.failUnless(IURI.providedBy(u4))
self.failIf(IFileURI.providedBy(u4))
self.failUnless(IDirnodeURI.providedBy(u4))
u4_verifier = u4.get_verify_cap()
u4_verifier_filenode = u4_verifier.get_filenode_cap()
self.failUnless(isinstance(u4_verifier_filenode, uri.SSKVerifierURI))
verifiers = [u1.get_verify_cap(), u2.get_verify_cap(),
u3.get_verify_cap(), u4.get_verify_cap(),
uri.DirectoryURIVerifier(n.get_verify_cap()),
]
for v in verifiers:
self.failUnless(IVerifierURI.providedBy(v))
self.failUnlessReallyEqual(v._filenode_uri,
u1.get_verify_cap()._filenode_uri)
def test_pack(self):
writekey = "\x01" * 16
fingerprint = "\x02" * 32
u = uri.WriteableSSKFileURI(writekey, fingerprint)
self.failUnlessReallyEqual(u.writekey, writekey)
self.failUnlessReallyEqual(u.fingerprint, fingerprint)
self.failIf(u.is_readonly())
self.failUnless(u.is_mutable())
self.failUnless(IURI.providedBy(u))
self.failUnless(IMutableFileURI.providedBy(u))
self.failIf(IDirnodeURI.providedBy(u))
self.failUnless("WriteableSSKFileURI" in str(u))
he = u.to_human_encoding()
u_h = uri.WriteableSSKFileURI.init_from_human_encoding(he)
self.failUnlessReallyEqual(u, u_h)
u2 = uri.from_string(u.to_string())
self.failUnlessReallyEqual(u2.writekey, writekey)
self.failUnlessReallyEqual(u2.fingerprint, fingerprint)
self.failIf(u2.is_readonly())
self.failUnless(u2.is_mutable())
self.failUnless(IURI.providedBy(u2))
self.failUnless(IMutableFileURI.providedBy(u2))
self.failIf(IDirnodeURI.providedBy(u2))
u2i = uri.from_string(u.to_string(), deep_immutable=True)
self.failUnless(isinstance(u2i, uri.UnknownURI), u2i)
u2ro = uri.from_string(uri.ALLEGED_READONLY_PREFIX + u.to_string())
self.failUnless(isinstance(u2ro, uri.UnknownURI), u2ro)
u2imm = uri.from_string(uri.ALLEGED_IMMUTABLE_PREFIX + u.to_string())
self.failUnless(isinstance(u2imm, uri.UnknownURI), u2imm)
u3 = u2.get_readonly()
readkey = hashutil.ssk_readkey_hash(writekey)
self.failUnlessReallyEqual(u3.fingerprint, fingerprint)
self.failUnlessReallyEqual(u3.readkey, readkey)
self.failUnless(u3.is_readonly())
self.failUnless(u3.is_mutable())
self.failUnless(IURI.providedBy(u3))
self.failUnless(IMutableFileURI.providedBy(u3))
self.failIf(IDirnodeURI.providedBy(u3))
u3i = uri.from_string(u3.to_string(), deep_immutable=True)
self.failUnless(isinstance(u3i, uri.UnknownURI), u3i)
u3ro = uri.from_string(uri.ALLEGED_READONLY_PREFIX + u3.to_string())
self.failUnlessReallyEqual(u3.to_string(), u3ro.to_string())
u3imm = uri.from_string(uri.ALLEGED_IMMUTABLE_PREFIX + u3.to_string())
self.failUnless(isinstance(u3imm, uri.UnknownURI), u3imm)
he = u3.to_human_encoding()
u3_h = uri.ReadonlySSKFileURI.init_from_human_encoding(he)
self.failUnlessReallyEqual(u3, u3_h)
u4 = uri.ReadonlySSKFileURI(readkey, fingerprint)
self.failUnlessReallyEqual(u4.fingerprint, fingerprint)
self.failUnlessReallyEqual(u4.readkey, readkey)
self.failUnless(u4.is_readonly())
self.failUnless(u4.is_mutable())
self.failUnless(IURI.providedBy(u4))
self.failUnless(IMutableFileURI.providedBy(u4))
self.failIf(IDirnodeURI.providedBy(u4))
u4i = uri.from_string(u4.to_string(), deep_immutable=True)
self.failUnless(isinstance(u4i, uri.UnknownURI), u4i)
u4ro = uri.from_string(uri.ALLEGED_READONLY_PREFIX + u4.to_string())
self.failUnlessReallyEqual(u4.to_string(), u4ro.to_string())
u4imm = uri.from_string(uri.ALLEGED_IMMUTABLE_PREFIX + u4.to_string())
self.failUnless(isinstance(u4imm, uri.UnknownURI), u4imm)
u4a = uri.from_string(u4.to_string())
self.failUnlessReallyEqual(u4a, u4)
self.failUnless("ReadonlySSKFileURI" in str(u4a))
self.failUnlessIdentical(u4a.get_readonly(), u4a)
u5 = u4.get_verify_cap()
self.failUnless(IVerifierURI.providedBy(u5))
self.failUnlessReallyEqual(u5.get_storage_index(), u.get_storage_index())
u7 = u.get_verify_cap()
self.failUnless(IVerifierURI.providedBy(u7))
self.failUnlessReallyEqual(u7.get_storage_index(), u.get_storage_index())
he = u5.to_human_encoding()
u5_h = uri.SSKVerifierURI.init_from_human_encoding(he)
self.failUnlessReallyEqual(u5, u5_h)
def test_immutable(self):
readkey = "\x01" * 16
uri_extension_hash = hashutil.uri_extension_hash("stuff")
needed_shares = 3
total_shares = 10
size = 1234
fnuri = uri.CHKFileURI(key=readkey,
uri_extension_hash=uri_extension_hash,
needed_shares=needed_shares,
total_shares=total_shares,
size=size)
fncap = fnuri.to_string()
self.failUnlessReallyEqual(
fncap,
"URI:CHK:aeaqcaibaeaqcaibaeaqcaibae:nf3nimquen7aeqm36ekgxomalstenpkvsdmf6fplj7swdatbv5oa:3:10:1234"
)
u1 = uri.ImmutableDirectoryURI(fnuri)
self.failUnless(u1.is_readonly())
self.failIf(u1.is_mutable())
self.failUnless(IURI.providedBy(u1))
self.failIf(IFileURI.providedBy(u1))
self.failUnless(IDirnodeURI.providedBy(u1))
self.failUnless("DirectoryURI" in str(u1))
u1_filenode = u1.get_filenode_cap()
self.failIf(u1_filenode.is_mutable())
self.failUnless(u1_filenode.is_readonly())
self.failUnlessReallyEqual(u1_filenode.to_string(), fncap)
self.failUnless(str(u1))
u2 = uri.from_string(u1.to_string())
self.failUnlessReallyEqual(u1.to_string(), u2.to_string())
self.failUnless(u2.is_readonly())
self.failIf(u2.is_mutable())
self.failUnless(IURI.providedBy(u2))
self.failIf(IFileURI.providedBy(u2))
self.failUnless(IDirnodeURI.providedBy(u2))
u2i = uri.from_string(u1.to_string(), deep_immutable=True)
self.failUnlessReallyEqual(u1.to_string(), u2i.to_string())
u3 = u2.get_readonly()
self.failUnlessReallyEqual(u3.to_string(), u2.to_string())
self.failUnless(str(u3))
u3i = uri.from_string(u2.to_string(), deep_immutable=True)
self.failUnlessReallyEqual(u2.to_string(), u3i.to_string())
u2_verifier = u2.get_verify_cap()
self.failUnless(
isinstance(u2_verifier, uri.ImmutableDirectoryURIVerifier),
u2_verifier)
self.failUnless(IVerifierURI.providedBy(u2_verifier))
u2vs = u2_verifier.to_string()
# URI:DIR2-CHK-Verifier:$key:$ueb:$k:$n:$size
self.failUnless(u2vs.startswith("URI:DIR2-CHK-Verifier:"), u2vs)
u2_verifier_fileuri = u2_verifier.get_filenode_cap()
self.failUnless(IVerifierURI.providedBy(u2_verifier_fileuri))
u2vfs = u2_verifier_fileuri.to_string()
# URI:CHK-Verifier:$key:$ueb:$k:$n:$size
self.failUnlessReallyEqual(u2vfs, fnuri.get_verify_cap().to_string())
self.failUnlessReallyEqual(u2vs[len("URI:DIR2-"):],
u2vfs[len("URI:"):])
self.failUnless(str(u2_verifier))
def test_pack(self):
writekey = "\x01" * 16
fingerprint = "\x02" * 32
n = uri.WriteableSSKFileURI(writekey, fingerprint)
u1 = uri.DirectoryURI(n)
self.failIf(u1.is_readonly())
self.failUnless(u1.is_mutable())
self.failUnless(IURI.providedBy(u1))
self.failIf(IFileURI.providedBy(u1))
self.failUnless(IDirnodeURI.providedBy(u1))
self.failUnless("DirectoryURI" in str(u1))
u1_filenode = u1.get_filenode_cap()
self.failUnless(u1_filenode.is_mutable())
self.failIf(u1_filenode.is_readonly())
u2 = uri.from_string(u1.to_string())
self.failUnlessReallyEqual(u1.to_string(), u2.to_string())
self.failIf(u2.is_readonly())
self.failUnless(u2.is_mutable())
self.failUnless(IURI.providedBy(u2))
self.failIf(IFileURI.providedBy(u2))
self.failUnless(IDirnodeURI.providedBy(u2))
u2i = uri.from_string(u1.to_string(), deep_immutable=True)
self.failUnless(isinstance(u2i, uri.UnknownURI))
u3 = u2.get_readonly()
self.failUnless(u3.is_readonly())
self.failUnless(u3.is_mutable())
self.failUnless(IURI.providedBy(u3))
self.failIf(IFileURI.providedBy(u3))
self.failUnless(IDirnodeURI.providedBy(u3))
u3i = uri.from_string(u2.to_string(), deep_immutable=True)
self.failUnless(isinstance(u3i, uri.UnknownURI))
u3n = u3._filenode_uri
self.failUnless(u3n.is_readonly())
self.failUnless(u3n.is_mutable())
u3_filenode = u3.get_filenode_cap()
self.failUnless(u3_filenode.is_mutable())
self.failUnless(u3_filenode.is_readonly())
u3a = uri.from_string(u3.to_string())
self.failUnlessIdentical(u3a, u3a.get_readonly())
u4 = uri.ReadonlyDirectoryURI(u2._filenode_uri.get_readonly())
self.failUnlessReallyEqual(u4.to_string(), u3.to_string())
self.failUnless(u4.is_readonly())
self.failUnless(u4.is_mutable())
self.failUnless(IURI.providedBy(u4))
self.failIf(IFileURI.providedBy(u4))
self.failUnless(IDirnodeURI.providedBy(u4))
u4_verifier = u4.get_verify_cap()
u4_verifier_filenode = u4_verifier.get_filenode_cap()
self.failUnless(isinstance(u4_verifier_filenode, uri.SSKVerifierURI))
verifiers = [
u1.get_verify_cap(),
u2.get_verify_cap(),
u3.get_verify_cap(),
u4.get_verify_cap(),
uri.DirectoryURIVerifier(n.get_verify_cap()),
]
for v in verifiers:
self.failUnless(IVerifierURI.providedBy(v))
self.failUnlessReallyEqual(v._filenode_uri,
u1.get_verify_cap()._filenode_uri)
def test_pack(self):
u = uri.WriteableSSKFileURI(self.writekey, self.fingerprint)
self.failUnlessReallyEqual(u.writekey, self.writekey)
self.failUnlessReallyEqual(u.fingerprint, self.fingerprint)
self.failIf(u.is_readonly())
self.failUnless(u.is_mutable())
self.failUnless(IURI.providedBy(u))
self.failUnless(IMutableFileURI.providedBy(u))
self.failIf(IDirnodeURI.providedBy(u))
self.failUnless("WriteableSSKFileURI" in str(u))
u2 = uri.from_string(u.to_string())
self.failUnlessReallyEqual(u2.writekey, self.writekey)
self.failUnlessReallyEqual(u2.fingerprint, self.fingerprint)
self.failIf(u2.is_readonly())
self.failUnless(u2.is_mutable())
self.failUnless(IURI.providedBy(u2))
self.failUnless(IMutableFileURI.providedBy(u2))
self.failIf(IDirnodeURI.providedBy(u2))
u2i = uri.from_string(u.to_string(), deep_immutable=True)
self.failUnless(isinstance(u2i, uri.UnknownURI), u2i)
u2ro = uri.from_string(uri.ALLEGED_READONLY_PREFIX + u.to_string())
self.failUnless(isinstance(u2ro, uri.UnknownURI), u2ro)
u2imm = uri.from_string(uri.ALLEGED_IMMUTABLE_PREFIX + u.to_string())
self.failUnless(isinstance(u2imm, uri.UnknownURI), u2imm)
u3 = u2.get_readonly()
readkey = hashutil.ssk_readkey_hash(self.writekey)
self.failUnlessReallyEqual(u3.fingerprint, self.fingerprint)
self.failUnlessReallyEqual(u3.readkey, readkey)
self.failUnless(u3.is_readonly())
self.failUnless(u3.is_mutable())
self.failUnless(IURI.providedBy(u3))
self.failUnless(IMutableFileURI.providedBy(u3))
self.failIf(IDirnodeURI.providedBy(u3))
u3i = uri.from_string(u3.to_string(), deep_immutable=True)
self.failUnless(isinstance(u3i, uri.UnknownURI), u3i)
u3ro = uri.from_string(uri.ALLEGED_READONLY_PREFIX + u3.to_string())
self.failUnlessReallyEqual(u3.to_string(), u3ro.to_string())
u3imm = uri.from_string(uri.ALLEGED_IMMUTABLE_PREFIX + u3.to_string())
self.failUnless(isinstance(u3imm, uri.UnknownURI), u3imm)
u4 = uri.ReadonlySSKFileURI(readkey, self.fingerprint)
self.failUnlessReallyEqual(u4.fingerprint, self.fingerprint)
self.failUnlessReallyEqual(u4.readkey, readkey)
self.failUnless(u4.is_readonly())
self.failUnless(u4.is_mutable())
self.failUnless(IURI.providedBy(u4))
self.failUnless(IMutableFileURI.providedBy(u4))
self.failIf(IDirnodeURI.providedBy(u4))
u4i = uri.from_string(u4.to_string(), deep_immutable=True)
self.failUnless(isinstance(u4i, uri.UnknownURI), u4i)
u4ro = uri.from_string(uri.ALLEGED_READONLY_PREFIX + u4.to_string())
self.failUnlessReallyEqual(u4.to_string(), u4ro.to_string())
u4imm = uri.from_string(uri.ALLEGED_IMMUTABLE_PREFIX + u4.to_string())
self.failUnless(isinstance(u4imm, uri.UnknownURI), u4imm)
u4a = uri.from_string(u4.to_string())
self.failUnlessReallyEqual(u4a, u4)
self.failUnless("ReadonlySSKFileURI" in str(u4a))
self.failUnlessIdentical(u4a.get_readonly(), u4a)
u5 = u4.get_verify_cap()
self.failUnless(IVerifierURI.providedBy(u5))
self.failUnlessReallyEqual(u5.get_storage_index(),
u.get_storage_index())
u7 = u.get_verify_cap()
self.failUnless(IVerifierURI.providedBy(u7))
self.failUnlessReallyEqual(u7.get_storage_index(),
u.get_storage_index())