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test_verify.py
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executable file
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#!/usr/bin/env python
import sys
import os
import unittest
from httpsig.sign import HeaderSigner, Signer
from httpsig.verify import HeaderVerifier, Verifier
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
class BaseTestCase(unittest.TestCase):
def _parse_auth(self, auth):
"""Basic Authorization header parsing."""
# split 'Signature kvpairs'
s, param_str = auth.split(' ', 1)
self.assertEqual(s, 'Signature')
# split k1="v1",k2="v2",...
param_list = param_str.split(',')
# convert into [(k1,"v1"), (k2, "v2"), ...]
param_pairs = [p.split('=', 1) for p in param_list]
# convert into {k1:v1, k2:v2, ...}
param_dict = {k: v.strip('"') for k, v in param_pairs}
return param_dict
class TestVerifyHMACSHA1(BaseTestCase):
test_method = 'POST'
test_path = '/foo?param=value&pet=dog'
header_host = 'example.com'
header_date = 'Thu, 05 Jan 2014 21:31:40 GMT'
header_content_type = 'application/json'
header_digest = 'SHA-256=X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE='
header_content_length = '18'
def setUp(self):
secret = b"something special goes here"
self.keyId = "Test"
self.algorithm = "hmac-sha1"
self.sign_secret = secret
self.verify_secret = secret
def test_basic_sign(self):
signer = Signer(secret=self.sign_secret, algorithm=self.algorithm)
verifier = Verifier(
secret=self.verify_secret, algorithm=self.algorithm)
GOOD = b"this is a test"
BAD = b"this is not the signature you were looking for..."
# generate signed string
signature = signer.sign(GOOD)
self.assertTrue(verifier._verify(data=GOOD, signature=signature))
self.assertFalse(verifier._verify(data=BAD, signature=signature))
def test_default(self):
unsigned = {
'Date': self.header_date
}
hs = HeaderSigner(
key_id="Test", secret=self.sign_secret, algorithm=self.algorithm)
signed = hs.sign(unsigned)
hv = HeaderVerifier(headers=signed, secret=self.verify_secret)
self.assertTrue(hv.verify())
def test_signed_headers(self):
HOST = self.header_host
METHOD = self.test_method
PATH = self.test_path
hs = HeaderSigner(
key_id="Test",
secret=self.sign_secret,
algorithm=self.algorithm,
headers=[
'(request-target)',
'host',
'date',
'content-type',
'digest',
'content-length'
])
unsigned = {
'Host': HOST,
'Date': self.header_date,
'Content-Type': self.header_content_type,
'Digest': self.header_digest,
'Content-Length': self.header_content_length,
}
signed = hs.sign(unsigned, method=METHOD, path=PATH)
hv = HeaderVerifier(
headers=signed, secret=self.verify_secret,
host=HOST, method=METHOD, path=PATH)
self.assertTrue(hv.verify())
def test_incorrect_headers(self):
HOST = self.header_host
METHOD = self.test_method
PATH = self.test_path
hs = HeaderSigner(secret=self.sign_secret,
key_id="Test",
algorithm=self.algorithm,
headers=[
'(request-target)',
'host',
'date',
'content-type',
'digest',
'content-length'])
unsigned = {
'Host': HOST,
'Date': self.header_date,
'Content-Type': self.header_content_type,
'Digest': self.header_digest,
'Content-Length': self.header_content_length,
}
signed = hs.sign(unsigned, method=METHOD, path=PATH)
hv = HeaderVerifier(headers=signed, secret=self.verify_secret,
required_headers=["some-other-header"],
host=HOST, method=METHOD, path=PATH)
with self.assertRaises(Exception):
hv.verify()
def test_extra_auth_headers(self):
HOST = "example.com"
METHOD = "POST"
PATH = '/foo?param=value&pet=dog'
hs = HeaderSigner(
key_id="Test",
secret=self.sign_secret,
algorithm=self.algorithm, headers=[
'(request-target)',
'host',
'date',
'content-type',
'digest',
'content-length'
])
unsigned = {
'Host': HOST,
'Date': self.header_date,
'Content-Type': self.header_content_type,
'Digest': self.header_digest,
'Content-Length': self.header_content_length,
}
signed = hs.sign(unsigned, method=METHOD, path=PATH)
hv = HeaderVerifier(
headers=signed,
secret=self.verify_secret,
method=METHOD,
path=PATH,
required_headers=['date', '(request-target)'])
self.assertTrue(hv.verify())
class TestVerifyHMACSHA256(TestVerifyHMACSHA1):
def setUp(self):
super(TestVerifyHMACSHA256, self).setUp()
self.algorithm = "hmac-sha256"
class TestVerifyHMACSHA512(TestVerifyHMACSHA1):
def setUp(self):
super(TestVerifyHMACSHA512, self).setUp()
self.algorithm = "hmac-sha512"
class TestVerifyRSASHA1(TestVerifyHMACSHA1):
def setUp(self):
private_key_path = os.path.join(
os.path.dirname(__file__),
'rsa_private.pem')
with open(private_key_path, 'rb') as f:
private_key = f.read()
public_key_path = os.path.join(
os.path.dirname(__file__),
'rsa_public.pem')
with open(public_key_path, 'rb') as f:
public_key = f.read()
self.keyId = "Test"
self.algorithm = "rsa-sha1"
self.sign_secret = private_key
self.verify_secret = public_key
class TestVerifyRSASHA256(TestVerifyRSASHA1):
def setUp(self):
super(TestVerifyRSASHA256, self).setUp()
self.algorithm = "rsa-sha256"
class TestVerifyRSASHA512(TestVerifyRSASHA1):
def setUp(self):
super(TestVerifyRSASHA512, self).setUp()
self.algorithm = "rsa-sha512"