def generate_oauth_signature(self, method, params, url, key=None):
""" Generate OAuth Signature """
string_to_sign = self.get_signature_base_string(method, params, url)
if key is None:
key = self.get_sign_key(self.consumer_secret)
if self.signature_method == 'HMAC-SHA1':
hmac_mod = sha1
elif self.signature_method == 'HMAC-SHA256':
hmac_mod = sha256
else:
raise UserWarning("Unknown signature_method")
# print "\nstring_to_sign: %s" % repr(string_to_sign)
# print "\nkey: %s" % repr(key)
sig = HMAC(
bytes(key.encode('utf-8')),
bytes(string_to_sign.encode('utf-8')),
hmac_mod
)
sig_b64 = binascii.b2a_base64(sig.digest())[:-1]
# print "\nsig_b64: %s" % sig_b64
return sig_b64
def current_hmac(self, cached = False):
"""Returns the current hmac of self.fulldata"""
data = ''
for i in self.headers:
log.debug("Adding hmac data %s", repr(i.hmac_data()))
if cached:
data += i.data
else:
data += i.hmac_data()
for i in self.records:
log.debug("Adding hmac data %s", repr(i.hmac_data()))
data += i.hmac_data()
log.debug("Building hmac with key %s", repr(self.hshkey))
hm = HMAC(self.hshkey, data, sha256_mod)
#print hm.hexdigest()
log.debug("HMAC %s-%s", repr(hm.hexdigest()), repr(hm.digest()))
return hm.digest()
def current_hmac(self, cached=False):
"""Returns the current hmac of self.fulldata"""
data = ''
for i in self.headers:
log.debug("Adding hmac data %s", repr(i.hmac_data()))
if cached:
data += i.data
else:
data += i.hmac_data()
for i in self.records:
log.debug("Adding hmac data %s", repr(i.hmac_data()))
data += i.hmac_data()
log.debug("Building hmac with key %s", repr(self.hshkey))
hm = HMAC(self.hshkey, data, sha256_mod)
#print hm.hexdigest()
log.debug("HMAC %s-%s", repr(hm.hexdigest()), repr(hm.digest()))
return hm.digest()
def current_hmac(self, cached = False):
"""Returns the current hmac of self.fulldata"""
data = ''
for i in self.headers:
log.debug("Adding hmac data %r from %r" % (i.hmac_data(), i.__class__.__name__))
if cached:
data += i.data
else:
data += i.hmac_data()
# assert i.data == i.hmac_data(), "Working on %r where %r!=%r" % (i, i.data, i.hmac_data())
for i in self.records:
# TODO: Add caching support
log.debug("Adding hmac data %r from %r" % (i.hmac_data(), i.__class__.__name__))
data += i.hmac_data()
log.debug("Building hmac with key %s", repr(self.hshkey))
hm = HMAC(self.hshkey, data, sha256_mod)
# print hm.hexdigest()
log.debug("HMAC %s-%s", repr(hm.hexdigest()), repr(hm.digest()))
return hm.digest()
def current_hmac(self, cached=False):
"""Returns the current hmac of self.fulldata"""
data = b''
for i in self.headers:
log.debug("Adding hmac data %r from %r" %
(i.hmac_data(), i.__class__.__name__))
if cached:
data += i.data
else:
data += i.hmac_data()
# assert i.data == i.hmac_data(), "Working on %r where %r!=%r" % (i, i.data, i.hmac_data())
for i in self.records:
# TODO: Add caching support
log.debug("Adding hmac data %r from %r" %
(i.hmac_data(), i.__class__.__name__))
data += i.hmac_data()
log.debug("Building hmac with key %s", repr(self.hshkey))
hm = HMAC(self.hshkey, data, sha256_mod)
# print hm.hexdigest()
log.debug("HMAC %s-%s", repr(hm.hexdigest()), repr(hm.digest()))
return hm.digest()
