def compute_hash(fp, buf_size=8192, size=None, hash_algorithm=md5):
hash_obj = hash_algorithm()
spos = fp.tell()
if size and size < buf_size:
s = fp.read(size)
else:
s = fp.read(buf_size)
while s:
if not isinstance(s, bytes):
s = s.encode('utf-8')
hash_obj.update(s)
if size:
size -= len(s)
if size <= 0:
break
if size and size < buf_size:
s = fp.read(size)
else:
s = fp.read(buf_size)
hex_digest = hash_obj.hexdigest()
base64_digest = encodebytes(hash_obj.digest()).decode('utf-8')
if base64_digest[-1] == '\n':
base64_digest = base64_digest[0:-1]
# data_size based on bytes read.
data_size = fp.tell() - spos
fp.seek(spos)
return (hex_digest, base64_digest, data_size)
def compute_hash(fp, buf_size=8192, size=None, hash_algorithm=md5):
hash_obj = hash_algorithm()
spos = fp.tell()
if size and size < buf_size:
s = fp.read(size)
else:
s = fp.read(buf_size)
while s:
if not isinstance(s, bytes):
s = s.encode('utf-8')
hash_obj.update(s)
if size:
size -= len(s)
if size <= 0:
break
if size and size < buf_size:
s = fp.read(size)
else:
s = fp.read(buf_size)
hex_digest = hash_obj.hexdigest()
base64_digest = encodebytes(hash_obj.digest()).decode('utf-8')
if base64_digest[-1] == '\n':
base64_digest = base64_digest[0:-1]
# data_size based on bytes read.
data_size = fp.tell() - spos
fp.seek(spos)
return (hex_digest, base64_digest, data_size)
def get_proxy_auth_header(self):
auth = encodebytes(self.proxy_user + ":" + self.proxy_pass)
return {"Proxy-Authorization": "Basic %s" % auth}
def sign_string(self, string_to_sign):
new_hmac = self._get_hmac()
new_hmac.update(string_to_sign.encode('utf-8'))
return encodebytes(new_hmac.digest()).decode('utf-8').strip()
def sign_string(self, string_to_sign):
new_hmac = self._get_hmac()
new_hmac.update(string_to_sign.encode('utf-8'))
return encodebytes(new_hmac.digest()).decode('utf-8').strip()
def get_proxy_auth_header(self):
auth = encodebytes(self.proxy_user + ':' + self.proxy_pass)
return {'Proxy-Authorization': 'Basic %s' % auth}